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121a96c5a0
1463023 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Georgi Valkov
|
121a96c5a0 |
wifi: mwifiex: fix freeze for 60 seconds caused by request_firmware
Fix regression in rgpower table loading, caused by using
request_firmware(): when the requested firmware does not exist, e.g.
nxp/rgpower_WW.bin does not exist on OpenWRT builds for WRT3200ACM,
request_firmware() falls back to firmware_fallback_sysfs(), which expects
the firmware to be provided by user space using SYSFS. No such utility is
provided in this configuration, so the entire system locks up for 60
seconds, until the request times out. During this time, no other log
messages are observed, and the device does not respond to commands over
UART.
The request_firmware() call is performed in the following context:
current->comm kworker/1:2 in_task 1 irqs_disabled 0 in_atomic 0
Fixed by using request_firmware_direct(). This prevents fallback to SYSFS,
and avoids delay. The rgpower table is optional. The driver falls back
to the device tree power table if the firmware is not present.
The error code is printed for debugging and returned to the caller,
which only cares for success or failure, so there are no side effects.
Fixes:
|
||
|
Xiang Mei
|
952c02b33f |
wifi: mac80211: tear down new links on vif update error path
When ieee80211_vif_update_links() adds new links it allocates a link container for each and calls ieee80211_link_init() (which registers the per-link debugfs files with file->private_data pointing into the container) and ieee80211_link_setup(). If the subsequent drv_change_vif_links() fails, the error path restores the old pointers and jumps to 'free', which frees the new containers but never removes their debugfs entries or stops the links. The debugfs files survive with file->private_data dangling at the freed container, so a later open()+read() (e.g. link-1/txpower) dereferences freed memory in ieee80211_if_read_link(), a use-after-free. The removal path already dismantles links correctly via ieee80211_tear_down_links(), which removes each link's keys and debugfs entries and calls ieee80211_link_stop(); the add path on the error branch does not. Commit |
||
|
Linus Torvalds
|
e13caf1c26 |
Including fixes from Wireless, IPsec, Netfilter and Bluetooth.
Current release - new code bugs:
- netfilter: flowtable: use correct direction to set up tunnel route
Previous releases - regressions:
- wifi:
- mac80211:
- free AP_VLAN bc_buf SKBs outside IRQ lock
- defer link RX stats percpu free to RCU
- fix double free on alloc failure
- cfg80211: convert pmsr_free_wk to wiphy_work to fix deadlock
- ipv4: free fib_alias with kfree_rcu() on insert error path
- sched: act_tunnel_key: Defer dst_release to RCU callback
- xfrm: fix sk_dst_cache double-free in xfrm_user_policy()
- bluetooth: fix locking in unpair_device/disconnect_sync
- can: add locking for raw flags bitfield
- openvswitch: reject oversized nested action attrs
- eth: bnxt_en: handle partially initialized auxiliary devices
- eth: ppp: defer channel free to an RCU grace period to fix UAF
Previous releases - always broken:
- netfilter: xt_nat: reject unsupported target families
- wifi:
- brcmfmac: fix heap overflow on a short auth frame
- cfg80211: add missing FTM API validation
- xfrm:
- reject optional IPTFS templates in outbound policies
- policy: preallocate inexact bins before xfrm_hash_rebuild reinsert
- bluetooth: revalidate LOAD_CONN_PARAM queued update
- can: fix lockless bound/ifindex race and silent RX_SETUP failure
- eth: mlx5: free mlx5_st_idx_data on final dealloc
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from Wireless, IPsec, Netfilter and Bluetooth.
Current release - new code bugs:
- netfilter: flowtable: use correct direction to set up tunnel route
Previous releases - regressions:
- wifi:
- mac80211:
- free AP_VLAN bc_buf SKBs outside IRQ lock
- defer link RX stats percpu free to RCU
- fix double free on alloc failure
- cfg80211: convert pmsr_free_wk to wiphy_work to fix deadlock
- ipv4: free fib_alias with kfree_rcu() on insert error path
- sched: act_tunnel_key: Defer dst_release to RCU callback
- xfrm: fix sk_dst_cache double-free in xfrm_user_policy()
- bluetooth: fix locking in unpair_device/disconnect_sync
- can: add locking for raw flags bitfield
- openvswitch: reject oversized nested action attrs
- eth:
- bnxt_en: handle partially initialized auxiliary devices
- ppp: defer channel free to an RCU grace period to fix UAF
Previous releases - always broken:
- netfilter: xt_nat: reject unsupported target families
- wifi:
- brcmfmac: fix heap overflow on a short auth frame
- cfg80211: add missing FTM API validation
- xfrm:
- reject optional IPTFS templates in outbound policies
- policy: preallocate inexact bins before xfrm_hash_rebuild reinsert
- bluetooth: revalidate LOAD_CONN_PARAM queued update
- can: fix lockless bound/ifindex race and silent RX_SETUP failure
- eth: mlx5: free mlx5_st_idx_data on final dealloc"
* tag 'net-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (108 commits)
mpls: fix NULL deref in mpls_valid_fib_dump_req() on CONFIG_INET=n
llc: fix SAP refcount leak when creating incoming sockets
selftests: netconsole: only restore MAC when it changed on resume
bnxt_en: Handle partially initialized auxiliary devices
sctp: fix auth_hmacs array size in struct sctp_cookie
net/sched: act_tunnel_key: Defer dst_release to RCU callback
dpll: fix NULL pointer dereference in dpll_msg_add_pin_ref_sync()
tcp: fix TIME_WAIT socket reference leak on PSP policy failure
net/mlx5: free mlx5_st_idx_data on final dealloc
can: isotp: serialize TX state transitions under so->rx_lock
can: isotp: fix use-after-free race with concurrent NETDEV_UNREGISTER
can: isotp: use unconditional synchronize_rcu() in isotp_release()
can: bcm: track a single source interface for ANYDEV timeout/throttle ops
can: bcm: fix data race on rx_stamp/rx_ifindex in bcm_rx_handler()
can: bcm: fix stale rx/tx ops after device removal
can: bcm: add missing device refcount for CAN filter removal
can: bcm: validate frame length in bcm_rx_setup() for RTR replies
can: bcm: extend bcm_tx_lock usage for data and timer updates
can: bcm: add missing rcu list annotations and operations
can: bcm: fix CAN frame rx/tx statistics
...
|
||
|
Linus Torvalds
|
af5e34a41c |
Among the most important fixes that we have here, there are:
- the revert of the uclinux map driver which was presumably no longer
used but in fact was
- the use of SPI match data to get chip capabilities in the mchp23k256
driver
- several fixes addressing the newly introduced virt-concat support
- a missing build dependency on ndfc
There is as well the usual load (if not actually bigger than ususal) of
uninitialized variables, leaks, double free, and AI fuzzed issues being
fixed.
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Merge tag 'mtd/fixes-for-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull mtd fixes from Miquel Raynal:
"Among the most important fixes that we have here, there are:
- the revert of the uclinux map driver which was presumed to
be no longer used but in fact was
- the use of SPI match data to get chip capabilities in the
mchp23k256 driver
- several fixes addressing the newly introduced virt-concat
support
- a missing build dependency on ndfc
as well as the usual load (if not actually bigger than usual) of
uninitialized variables, leaks, double free, and AI fuzzed issues
being fixed"
* tag 'mtd/fixes-for-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
Revert "mtd: maps: remove uclinux map driver"
mtd: onenand: samsung: report DMA completion timeouts
mtd: rawnand: fsl_ifc: return errors for failed page reads
mtd: mchp23k256: use SPI match data for chip caps
mtd: rawnand: lpc32xx_slc: fail DMA transfer on completion timeout
mtd: rawnand: lpc32xx_mlc: fail DMA transfers on timeout
mtd: fix double free and WARN_ON in add_mtd_device() error paths
mtd: virt-concat: free duplicate generated name
mtd: nand: mtk-ecc: stop on ECC idle timeouts
mtd: mtdswap: remove debugfs stats file on teardown
mtd: mtdpart: validate partition bounds in mtd_add_partition()
mtd: mtdpart: fix uninitialized erasesize on MTDPART_OFS_RETAIN error path
mtd: rawnand: ndfc: add CONFIG_OF dependency
mtd: spinand: initialize ret in regular page reads
mtd: virt_concat: fix use-after-free in mtd_virt_concat_destroy()
mtd: rawnand: ingenic: handle ECC clock enable failures
mtd: nand: ecc-mtk: handle ECC clock enable failures
mtd: virt_concat: fix use-after-free in mtd_virt_concat_destroy_joins()
mtd: rawnand: ndfc: fix gcc uninitialized var
|
||
|
Linus Torvalds
|
45419d06c9 |
MMC core:
- Fix RPMB device unregister ordering
- Fix __counted_by handling in mmc_test
MMC host:
- mtk-sd: Document missing clocks for MT8189
- sdhci-esdhc-imx: Fix the support for system suspend/resume for SDIO
- sdhci-of-dwcmshc: Fix error handling for clock prepare/enable
- vub300: Fix lockdep issue for the cmd_mutex
- vub300: Fix use-after-free on probe failure
MEMSTICK:
- Reject a card that reports too many blocks
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Merge tag 'mmc-v7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC core:
- Fix RPMB device unregister ordering
- Fix __counted_by handling in mmc_test
MMC host:
- mtk-sd: Document missing clocks for MT8189
- sdhci-esdhc-imx: Fix the support for system suspend/resume for SDIO
- sdhci-of-dwcmshc: Fix error handling for clock prepare/enable
- vub300:
- Fix lockdep issue for the cmd_mutex
- Fix use-after-free on probe failure
MEMSTICK:
- Reject a card that reports too many blocks"
* tag 'mmc-v7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-esdhc-imx: fix resume error handling
mmc: sdhci-esdhc-imx: make non-fatal errors non-blocking in suspend
mmc: sdhci-esdhc-imx: use pm_runtime_resume_and_get() in suspend
mmc: sdhci-esdhc-imx: disable irq during suspend to fix unhandled interrupt
mmc: sdhci-esdhc-imx: restore pinctrl before restoring ios timing on resume
mmc: sdhci-esdhc-imx: fix esdhc_change_pinstate() to allow default state restore
mmc: sdhci-esdhc-imx: restore DLL override for DDR modes on resume
mmc: sdhci-esdhc-imx: remove unnecessary mmc_card_wake_sdio_irq check for tuning save/restore
mmc: block: fix RPMB device unregister ordering
memstick: ms_block: reject a card that reports too many blocks
dt-bindings: mmc: mtk-sd: Document extra clocks for MT8189
mmc: vub300: defer reset until cmd_mutex is unlocked
mmc: vub300: fix use-after-free on probe failure
mmc: mmc_test: Fix __counted_by handling after kzalloc_flex() conversion
mmc: sdhci-of-dwcmshc: check bus clock enable result in the probe() method
|
||
|
Linus Torvalds
|
111e7b23e5 |
SoC fixes for 7.2
There are only three devicetree fixes this time: one critical memory
corruption fix for Renesas and three minor corrections for Tegra.
The MAINTAINERS file is updated for a new maintainer of the CIX platform
and two address changes.
The rest is all driver fixes, mostly firmware:
- multiple runtime issues in ARM SCMI and FF-A firmware code, dealing
with error handling for corner cases in firmware.
- multiple fixes for reset drivers, dealing with individual platform
specific mistakes and more error handling
- minor build and runtime fixes for the Tegra SoC drivers
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Merge tag 'soc-fixes-7.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC fixes from Arnd Bergmann:
"There are only three devicetree fixes this time: one critical memory
corruption fix for Renesas and three minor corrections for Tegra.
The MAINTAINERS file is updated for a new maintainer of the CIX
platform and two address changes.
The rest is all driver fixes, mostly firmware:
- multiple runtime issues in ARM SCMI and FF-A firmware code, dealing
with error handling for corner cases in firmware.
- multiple fixes for reset drivers, dealing with individual platform
specific mistakes and more error handling
- minor build and runtime fixes for the Tegra SoC drivers"
* tag 'soc-fixes-7.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
arm64: dts: renesas: ironhide: Describe inline ECC carveouts
MAINTAINERS: Update maintainer and git tree for CIX SoC
ARM: Don't let ARMv5 platforms select USE_OF
MAINTAINERS: Update SpacemiT SoC git tree repository
firmware: arm_scmi: Rate-limit queue-full warnings in IRQ context
firmware: arm_scmi: Use 64-bit division for clock rate rounding
reset: imx7: Correct polarity of MIPI CSI resets on i.MX8MQ
reset: sunxi: fix memory region leak on ioremap failure
dt-bindings: reset: altr: add COMBOPHY_RESET for Agilex5
reset: spacemit: k3: fix USB2 ahb reset
firmware: arm_scmi: Grammar s/may needed/may be needed/
firmware: arm_ffa: Fix NULL dereference in ffa_partition_info_get()
firmware: arm_ffa: Respect firmware advertised RX/TX buffer size limits
arm64: tegra: Fix CPU1 node unit-address on Tegra264
arm64: tegra: Fix CPU compatible string to cortex-a78ae on Tegra234
MAINTAINERS: .mailmap: update Jens Wiklander's email address
soc/tegra: fuse: Fix spurious straps warning on SMCCC platforms
soc/tegra: pmc: fix #ifdef block in header
drm/tegra: Fix a strange error handling path
arm64: tegra: Remove fallback compatible for GPCDMA
|
||
|
Linus Torvalds
|
6917aa7767 |
powerpc fixes for 7.2 #2
- Enable CONFIG_VPA_PMU to be used with KVM - Initialize starttime at boot for native accounting - Set CPU_FTR_P11_PVR for Power11 and later processors - fix memory leak on krealloc failure in papr_init - Misc fixes and cleanups Thanks to: Amit Machhiwal, Christophe Leroy (CS GROUP), Ethan Nelson-Moore, Gautam Menghani, Harsh Prateek Bora, Junrui Luo, Mukesh Kumar Chaurasiya (IBM), Ritesh Harjani (IBM), Rosen Penev, Shrikanth Hegde, Thorsten Blum, Yuhao Jiang -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEqX2DNAOgU8sBX3pRpnEsdPSHZJQFAmpZtKcACgkQpnEsdPSH ZJSzpxAAvEWlybs7IZWdkZA74GCb1LXXElqANbhUpkl/bNuV2LDaxb5v63FIhTuu tqFISwJ86+wodsKH6vyMk1dGGxbphXl4AOUcNQVRlA6C4EWJBiMtukhn6AFmi294 crEXLCY91w5a5ftvu2Bvvn6DaJwCmjxzDw3pZ9MWDgwe3drKtb9/HPyC3IKSFAWo f00sw7r9WqBxnvJaHzPi+NpUdTP/DB86TzH9IKxq7jQtGainj978Ghy9KIm68Eb+ kqET9ecytynNw0wSbIn2O1WXSw9Axg038bwoIXnpUc6MSmSLrgTeFuEuugcyH1cJ yor/FHeeImfGTaUgtjjJr1yRgRHe7TC1PiHjgKk4dko6X9PXiP+6kxyY+kQGGTqx +e2R1lXC1YS/V1fGOd2yEep/7ThrCto6wCKqwg45B/la9tjUfwb8oGfR0SVTT2ZS u1j3z154bz8sv3a2H3Dx5tslDeSPPCcA1sElTT9Ir+/ppZZjt2gzGAPFCb0OSOAA WyjmK9bM0Fp//jL+PpARBSsfQmvqnllgKqBLTZ0Y/btnJPMra7ptalkhs/Dtx8W1 8IkLc56C/s5nPaU0BcF/LtJfLENETzq/EPV1YRiNDHykALp3yFOaOk0CJtEteLk4 mmWbb9P7SbsmEijXtDptt62Lv0YWSoS5OCRfOLHV/Q4VYd1JN+w= =jI4x -----END PGP SIGNATURE----- Merge tag 'powerpc-7.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Madhavan Srinivasan: - Enable CONFIG_VPA_PMU to be used with KVM - Initialize starttime at boot for native accounting - Set CPU_FTR_P11_PVR for Power11 and later processors - fix memory leak on krealloc failure in papr_init - Misc fixes and cleanups Thanks to Amit Machhiwal, Christophe Leroy (CS GROUP), Ethan Nelson-Moore, Gautam Menghani, Harsh Prateek Bora, Junrui Luo, Mukesh Kumar Chaurasiya (IBM), Ritesh Harjani (IBM), Rosen Penev, Shrikanth Hegde, Thorsten Blum, and Yuhao Jiang * tag 'powerpc-7.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc: Remove dead non-preemption code powerpc/dt_cpu_ftrs: Set CPU_FTR_P11_PVR for Power11 and later processors powerpc/pseries: fix memory leak on krealloc failure in papr_init powerpc/uaccess: correct check for CONFIG_PPC_E500 in mask_user_address() powerpc/vtime: Initialize starttime at boot for native accounting powerpc/85xx: Add fsl,ifc to common device ids powerpc/spufs: fix out-of-bounds access in spufs_mem_mmap_access() powerpc/pseries/Kconfig: Enable CONFIG_VPA_PMU to be used with KVM |
||
|
Weiming Shi
|
56d96feded |
mpls: fix NULL deref in mpls_valid_fib_dump_req() on CONFIG_INET=n
On CONFIG_INET=n builds, mpls_valid_fib_dump_req() walks the parsed
attribute table itself instead of calling ip_valid_fib_dump_req(). The
RTA_OIF arm passes tb[RTA_OIF] to nla_get_u32() without checking it is
present, so an RTM_GETROUTE dump for AF_MPLS with strict checking and no
RTA_OIF hits a NULL dereference.
RTM_GETROUTE is RTNL_KIND_GET, which rtnetlink_rcv_msg() permits without
CAP_NET_ADMIN, so an unprivileged user can trigger it.
Oops: general protection fault, probably for non-canonical address
0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
RIP: 0010:mpls_valid_fib_dump_req (net/mpls/af_mpls.c:2189)
Call Trace:
mpls_dump_routes (net/mpls/af_mpls.c:2236)
netlink_dump (net/netlink/af_netlink.c:2331)
__netlink_dump_start (net/netlink/af_netlink.c:2446)
rtnetlink_rcv_msg (net/core/rtnetlink.c:7033)
netlink_rcv_skb (net/netlink/af_netlink.c:2556)
netlink_unicast (net/netlink/af_netlink.c:1345)
netlink_sendmsg (net/netlink/af_netlink.c:1900)
__sock_sendmsg (net/socket.c:790)
____sys_sendmsg (net/socket.c:2684)
___sys_sendmsg (net/socket.c:2738)
__sys_sendmsg (net/socket.c:2770)
do_syscall_64 (arch/x86/entry/syscall_64.c:94)
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
Skip unset attributes, as ip_valid_fib_dump_req() does.
Fixes:
|
||
|
Xuanqiang Luo
|
2c72eb6286 |
llc: fix SAP refcount leak when creating incoming sockets
llc_sap_add_socket() takes a SAP reference for each socket added to a SAP, and llc_sap_remove_socket() releases it. llc_create_incoming_sock() takes an additional SAP reference after adding the child socket. This extra reference was balanced by an explicit llc_sap_put() in llc_ui_release() until commit |
||
|
Andre Carvalho
|
04aeddf2da |
selftests: netconsole: only restore MAC when it changed on resume
The "mac" bind mode reactivation downs the interface, restores the saved
MAC and renames it to trigger a target resume. This assumes the recreated
interface comes back with a different MAC, which is true under
MACAddressPolicy=none (as on the Netdev CI) but not when MACs are
persistent. In the persistent case netconsole resumes the target on its
own, and the down/restore/rename flow instead drops it and fails the test.
Guard the block on the MAC having actually changed so the test passes
under both policies.
Fixes:
|
||
|
Ruoyu Wang
|
1cb8553c02 |
bnxt_en: Handle partially initialized auxiliary devices
bnxt_aux_devices_init() calls auxiliary_device_init() before all fields
used by bnxt_aux_dev_release() are initialized. After
auxiliary_device_init() succeeds, later errors must unwind with
auxiliary_device_uninit(), which invokes the release callback.
The release callback assumes that aux_priv->id, aux_priv->edev,
edev->net and edev->ulp_tbl are all populated. If allocation fails
after auxiliary_device_init(), the release path can otherwise dereference
or clear partially initialized state.
Allocate and attach the bnxt_en_dev and ULP table before calling
auxiliary_device_init(), so the release callback only sees a fully
initialized auxiliary private object. If auxiliary_device_init() itself
fails, free those allocations directly because device_initialize() has not
run and the release callback will not be invoked.
This issue was found by a static analysis checker and confirmed by manual
source review.
Fixes:
|
||
|
Xin Long
|
e0b5252a59 |
sctp: fix auth_hmacs array size in struct sctp_cookie
The auth_hmacs array in struct sctp_cookie is supposed to store a complete
SCTP_AUTH_HMAC_ALGO parameter, which consists of a struct sctp_paramhdr
followed by N HMAC identifiers.
However, the array size was calculated using an extra 2 bytes instead of
sizeof(struct sctp_paramhdr), which is 4 bytes. When four HMAC identifiers
are configured, the HMAC-ALGO parameter stored in the endpoint is larger
than the auth_hmacs buffer in the cookie.
As a result, sctp_association_init() copies beyond the end of auth_hmacs
when initializing the association, corrupting the adjacent auth_chunks
field. This can lead to an invalid HMAC identifier being accepted and later
cause an out-of-bounds read in sctp_auth_get_hmac().
Fix the array size calculation by including the full SCTP parameter header
size.
Fixes:
|
||
|
Jamal Hadi Salim
|
f1f5c8a395 |
net/sched: act_tunnel_key: Defer dst_release to RCU callback
Fix a race-condition use-after-free in tunnel_key_release_params().
The function releases the metadata_dst of the old params synchronously
via dst_release() while deferring the params struct free with
kfree_rcu(). A concurrent tunnel_key_act() reader on the datapath may
still hold the old params pointer (under rcu_read_lock_bh) and proceed
to call dst_clone(¶ms->tcft_enc_metadata->dst) after the writer's
dst_release has already pushed the dst's rcuref to RCUREF_DEAD.
zdi-disclosures@trendmicro.com produced a poc which i (and Victor) verified
that KASAN reports:
==================================================================
BUG: KASAN: slab-use-after-free in instrument_atomic_read_write include/linux/instrumented.h:112
BUG: KASAN: slab-use-after-free in atomic_sub_return_release include/linux/atomic/atomic-instrumented.h:326
BUG: KASAN: slab-use-after-free in __rcuref_put include/linux/rcuref.h:109
BUG: KASAN: slab-use-after-free in rcuref_put include/linux/rcuref.h:173
BUG: KASAN: slab-use-after-free in dst_release+0x5b/0x370 net/core/dst.c:168
Write of size 4 at addr ffff88806158de40 by task poc/9388
CPU: 0 UID: 0 PID: 9388 Comm: poc Tainted: G W 7.1.0-rc7 #7 PREEMPT(lazy)
Tainted: [W]=WARN
Hardware name: QEMU Ubuntu 25.10 PC v2 (i440FX + PIIX, + 10.1 machine, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:94
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378
print_report+0x139/0x4ad mm/kasan/report.c:482
kasan_report+0xe4/0x1d0 mm/kasan/report.c:595
check_region_inline mm/kasan/generic.c:186
kasan_check_range+0x125/0x200 mm/kasan/generic.c:200
instrument_atomic_read_write include/linux/instrumented.h:112
atomic_sub_return_release include/linux/atomic/atomic-instrumented.h:326
__rcuref_put include/linux/rcuref.h:109
rcuref_put include/linux/rcuref.h:173
dst_release+0x5b/0x370 net/core/dst.c:168
refdst_drop include/net/dst.h:272
skb_dst_drop include/net/dst.h:284
skb_release_head_state+0x293/0x400 net/core/skbuff.c:1163
skb_release_all net/core/skbuff.c:1187
[..]
Allocated by task 9391:
kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
kasan_save_track+0x14/0x30 mm/kasan/common.c:78
poison_kmalloc_redzone mm/kasan/common.c:398
__kasan_kmalloc+0x9a/0xb0 mm/kasan/common.c:415
kasan_kmalloc include/linux/kasan.h:263
__do_kmalloc_node mm/slub.c:5296
__kmalloc_noprof+0x2f1/0x830 mm/slub.c:5308
kmalloc_noprof include/linux/slab.h:954
kzalloc_noprof include/linux/slab.h:1188
offload_action_alloc+0x2f/0x130 net/core/flow_offload.c:35
tcf_action_offload_add_ex+0x1ba/0x880 net/sched/act_api.c:258
tcf_action_offload_add net/sched/act_api.c:293
tcf_action_init+0x66e/0xa20 net/sched/act_api.c:1547
tcf_action_add+0xf6/0x5d0 net/sched/act_api.c:2101
[..]
Freed by task 9391:
kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
kasan_save_track+0x14/0x30 mm/kasan/common.c:78
kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584
poison_slab_object mm/kasan/common.c:253
__kasan_slab_free+0x6b/0x90 mm/kasan/common.c:285
kasan_slab_free include/linux/kasan.h:235
slab_free_hook mm/slub.c:2689
slab_free mm/slub.c:6251
kfree+0x21f/0x6b0 mm/slub.c:6566
tcf_action_offload_add_ex+0x4ad/0x880 net/sched/act_api.c:284
tcf_action_offload_add net/sched/act_api.c:293
tcf_action_init+0x66e/0xa20 net/sched/act_api.c:1547
tcf_action_add+0xf6/0x5d0 net/sched/act_api.c:2101
The buggy address belongs to the object at ffff88806158de00
which belongs to the cache kmalloc-256 of size 256
The buggy address is located 64 bytes inside of
freed 256-byte region [ffff88806158de00, ffff88806158df00)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88806158d600 pfn:0x6158c
head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x4fff00000000240(workingset|head|node=1|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 04fff00000000240 ffff88801c841b40 ffffea0001856290 ffffea0001856190
raw: ffff88806158d600 0000000800100009 00000000f5000000 0000000000000000
head: 04fff00000000240 ffff88801c841b40 ffffea0001856290 ffffea0001856190
head: ffff88806158d600 0000000800100009 00000000f5000000 0000000000000000
head: 04fff00000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd2820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 9391, tgid 9378 (poc), ts 123227323196, free_ts 0
set_page_owner include/linux/page_owner.h:32
post_alloc_hook+0xfe/0x140 mm/page_alloc.c:1853
prep_new_page mm/page_alloc.c:1861
get_page_from_freelist+0x110c/0x2fc0 mm/page_alloc.c:3941
__alloc_frozen_pages_noprof+0x263/0x2bc0 mm/page_alloc.c:5221
alloc_slab_page mm/slub.c:3278
allocate_slab mm/slub.c:3467
new_slab+0xa6/0x690 mm/slub.c:3525
refill_objects+0x271/0x420 mm/slub.c:7272
refill_sheaf mm/slub.c:2816
__pcs_replace_empty_main+0x373/0x630 mm/slub.c:4652
alloc_from_pcs mm/slub.c:4750
slab_alloc_node mm/slub.c:4884
__do_kmalloc_node mm/slub.c:5295
__kmalloc_noprof+0x66d/0x830 mm/slub.c:5308
kmalloc_noprof include/linux/slab.h:954
metadata_dst_alloc+0x26/0x90 net/core/dst.c:298
tun_rx_dst include/net/dst_metadata.h:144
__ip_tun_set_dst include/net/dst_metadata.h:208
tunnel_key_init+0xb01/0x1b90 net/sched/act_tunnel_key.c:451
tcf_action_init_1+0x46b/0x6c0 net/sched/act_api.c:1428
tcf_action_init+0x448/0xa20 net/sched/act_api.c:1503
tcf_action_add+0xf6/0x5d0 net/sched/act_api.c:2101
[..]
==================================================================
Fix by moving dst_release() into a custom RCU callback that runs
after the grace period, matching the lifetime of the containing
params struct. Readers in the datapath therefore always find a live
rcuref when calling dst_clone().
Fixes:
|
||
|
Ivan Vecera
|
d2e914a4a0 |
dpll: fix NULL pointer dereference in dpll_msg_add_pin_ref_sync()
When a dpll_pin is shared across multiple dpll_device instances and
those devices are being unregistered (e.g. during driver module removal),
a NULL pointer dereference can occur in dpll_msg_add_pin_ref_sync().
This happens under the following conditions:
- A pin is registered with two or more dpll devices (dpll_A, dpll_B)
- The pin has ref_sync pairs with other pins
- During unregistration of dpll_A's pins, a ref_sync partner pin is
unregistered first, removing it from dpll_A->pin_refs
- But since the partner pin is still registered with dpll_B, its
dpll_refs is not empty, so dpll_pin_ref_sync_pair_del() does NOT
run and the partner stays in the pin's ref_sync_pins xarray
- When the pin itself is then unregistered from dpll_A, the delete
notification calls dpll_msg_add_pin_ref_sync() which finds the
partner in ref_sync_pins, passes dpll_pin_available() (partner is
still registered with dpll_B), but dpll_pin_on_dpll_priv(dpll_A,
partner) returns NULL because partner was already removed from
dpll_A->pin_refs
- The NULL priv pointer is passed to the driver's ref_sync_get
callback, which dereferences it
BUG: kernel NULL pointer dereference, address: 0000000000000034
Oops: Oops: 0000 [#1] SMP NOPTI
RIP: 0010:zl3073x_dpll_input_pin_ref_sync_get+0x73/0x80 [zl3073x]
Call Trace:
dpll_msg_add_pin_ref_sync+0xb8/0x200
dpll_cmd_pin_get_one+0x3b6/0x4b0
dpll_pin_event_send+0x72/0x140
__dpll_pin_unregister+0x5a/0x2b0
dpll_pin_unregister+0x49/0x70
Fix this by skipping ref_sync pins whose priv pointer cannot be resolved
for the current dpll device.
Fixes:
|
||
|
Eric Dumazet
|
2c1931a811 |
tcp: fix TIME_WAIT socket reference leak on PSP policy failure
Release the TIME_WAIT socket reference and jump to discard_it
upon PSP policy failure in both IPv4 and IPv6 receive paths.
This prevents a memory leak of tcp_tw_bucket structures.
Fixes:
|
||
|
Zhiping Zhang
|
df6134b527 |
net/mlx5: free mlx5_st_idx_data on final dealloc
Workloads that repeatedly allocate and release mkeys carrying TPH
steering-tag hints (e.g. churning RDMA MRs) leak one
struct mlx5_st_idx_data per cycle; kmemleak flags it as unreferenced
and the kmalloc slab grows over time.
When the last reference to an ST table entry is dropped,
mlx5_st_dealloc_index() removed the entry from idx_xa but the backing
mlx5_st_idx_data allocation was never freed.
Free idx_data after the xa_erase() so the lifetime of the bookkeeping
struct matches the lifetime of the ST entry it tracks.
Cc: stable@vger.kernel.org
Fixes:
|
||
|
Paolo Abeni
|
892d3087c4 |
linux-can-fixes-for-7.2-20260716
-----BEGIN PGP SIGNATURE----- iIkEABYKADEWIQSl+MghEFFAdY3pYJLMOmT6rpmt0gUCaljFDxMcbWtsQHBlbmd1 dHJvbml4LmRlAAoJEMw6ZPquma3ScvEBAMN4/7N+Es+yBfeHYu2A+6b+5qeW+4Px WtxSffc9OxxtAP9H/UhgxnZdzgCalXipwZGjwSKgm87vPU8H1GDKlX3LBw== =EJTl -----END PGP SIGNATURE----- Merge tag 'linux-can-fixes-for-7.2-20260716' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can Marc Kleine-Budde says: ==================== pull-request: can 2026-07-16 this is a pull request of 19 patches for net/main. The first patch is by Alexander Hölzl and fixes the Kconfig description of the vxcan driver. Next patch by Fan Wu fixes the tear down order in the esd_usb driver. Followed by a patch by Oliver Hartkopp that adds missing locking for the raw flags in the CAN_RAW protocol. Shuhao Fu's patch for the j1939 protocol fix lockless local-destination check. Stéphane Grosjean updates their email address. The next 11 patches all target the CAM Broadcast Manager protocol. One contributed by Lee Jones the remaining ones by Oliver Hartkopp. They fix several concurrency and locking issues found by various bots. The last 3 patches are also by Oliver Hartkopp fixing concurrency and locking issues found by various bots in the CAN ISO Transport Protocol. linux-can-fixes-for-7.2-20260716 * tag 'linux-can-fixes-for-7.2-20260716' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can: can: isotp: serialize TX state transitions under so->rx_lock can: isotp: fix use-after-free race with concurrent NETDEV_UNREGISTER can: isotp: use unconditional synchronize_rcu() in isotp_release() can: bcm: track a single source interface for ANYDEV timeout/throttle ops can: bcm: fix data race on rx_stamp/rx_ifindex in bcm_rx_handler() can: bcm: fix stale rx/tx ops after device removal can: bcm: add missing device refcount for CAN filter removal can: bcm: validate frame length in bcm_rx_setup() for RTR replies can: bcm: extend bcm_tx_lock usage for data and timer updates can: bcm: add missing rcu list annotations and operations can: bcm: fix CAN frame rx/tx statistics can: bcm: add locking when updating filter and timer values can: bcm: fix lockless bound/ifindex race and silent RX_SETUP failure can: bcm: defer rx_op deallocation to workqueue to fix thrtimer UAF can: peak: Modification of references to email accounts being deleted can: j1939: fix lockless local-destination check can: raw: add locking for raw flags bitfield can: esd_usb: kill anchored URBs before freeing netdevs can: vxcan: Kconfig: fix description stating no local echo provided ==================== Link: https://patch.msgid.link/20260716155528.809908-1-mkl@pengutronix.de Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
||
|
Paolo Abeni
|
78d24e77ff |
bluetooth pull request for net:
- hci_sync: hold hdev->lock for hci_conn_params lookups - hci_sync: extend conn_hash lookup critical sections - hci_qca: Clear memdump state on invalid dump size - MGMT: revalidate LOAD_CONN_PARAM queued update - MGMT: Translate HCI reason in Device Disconnected event - MGMT: fix locking in unpair_device/disconnect_sync - MGMT: hold reference for hci_conn in mgmt_pending_cmds - btrtl: validate firmware patch bounds - qca: fix NVM tag length underflow in TLV parser -----BEGIN PGP SIGNATURE----- iQJNBAABCgA3FiEE7E6oRXp8w05ovYr/9JCA4xAyCykFAmpU86UZHGx1aXoudm9u LmRlbnR6QGludGVsLmNvbQAKCRD0kIDjEDILKaNFD/9lG5OnZ0tBecNUImmQkAkP vcLvS/3/IxIot19VFr16qm1PIcqsUwgKFBrh8SD71IgSsIVJ2CrQNvSbRpDCEM3p WmOGraN8e799S3MtJ/nzYwZBmYFIVOcBgqg1ctYMFr6RGjzfbGnF2c5pX/vyzFWq PVfpCQPaRV0PaSlrtvvVWiPfheG07C8qAW8h1NPudHebObO4xO0J4aKqeulpn/5/ G885l9L5q/+P/gU3zpi7dAulJ+EbX8feHh9tvATPSusySZWgFuTAaDxsS68jBThr BAtyHFntB3Fz7Bic8IifMPgFHncnvZssi5s3CGZGauo0sWAn8CkDN+wkJjaN48/Y 6UfKO5puYF6geDDu97WCjdQnxnFIgcLue4BhlZdTo+yx6XKEbTV52kghrM6E1lP4 dBPepdjt3qQDIi3SZSKLb8hq1ml8BUnmXH/f3FIvOP/YTSe3ekqmo6zFf5tMUeYW q31t0rtKvh1oNGzwlfzz00GB/aY/s2tJQhUpboBopvFBZZCjK60hVWqQh45Xrvwi /y7Dnqjv+7wIwTtCkMyKcmznTLEIuaWwYNcvEwfhl137Oa8maqRaX19B4kqLbX/L 4K6VLZyscNqg7zAMHw6SZECGYVLEK1jJAlpXg4MnMKQ7t4GU5sLqk91/SRPrFbsO OECMsLTqGN0btRbxSq3lAw== =t/FR -----END PGP SIGNATURE----- Merge tag 'for-net-2026-07-13' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth Luiz Augusto von Dentz says: ==================== bluetooth pull request for net: - hci_sync: hold hdev->lock for hci_conn_params lookups - hci_sync: extend conn_hash lookup critical sections - hci_qca: Clear memdump state on invalid dump size - MGMT: revalidate LOAD_CONN_PARAM queued update - MGMT: Translate HCI reason in Device Disconnected event - MGMT: fix locking in unpair_device/disconnect_sync - MGMT: hold reference for hci_conn in mgmt_pending_cmds - btrtl: validate firmware patch bounds - qca: fix NVM tag length underflow in TLV parser * tag 'for-net-2026-07-13' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth: Bluetooth: mgmt: Translate HCI reason in Device Disconnected event Bluetooth: hci_qca: Clear memdump state on invalid dump size Bluetooth: hci_sync: hold hdev->lock for hci_conn_params lookups Bluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmds Bluetooth: mgmt: fix locking in unpair_device/disconnect_sync Bluetooth: hci_sync: extend conn_hash lookup critical sections Bluetooth: btrtl: validate firmware patch bounds Bluetooth: MGMT: revalidate LOAD_CONN_PARAM queued update Bluetooth: qca: fix NVM tag length underflow in TLV parser ==================== Link: https://patch.msgid.link/20260713141940.954317-1-luiz.dentz@gmail.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
||
|
Paolo Abeni
|
bc7291793f |
netfilter pull request nf-26-07-10
-----BEGIN PGP SIGNATURE----- iQJdBAABCABHFiEEgKkgxbID4Gn1hq6fcJGo2a1f9gAFAmpRAaIbFIAAAAAABAAO bWFudTIsMi41KzEuMTIsMiwyDRxmd0BzdHJsZW4uZGUACgkQcJGo2a1f9gAQJw/+ Kj3gIsC+IWVsyF4zVvQrYlNkE6SELujsS7OkzY2voyaMS2waA2awl2Wep7G5Z6B7 o36vez8ajnMCvGzfJKOtLgo2H32qxW4XzRuJVROlHRgSpJjASVTP9WREK4pCmfJr cU/D8YujTMxoEcdaIjDgjKyDogMtfbEyUqbiguLuym9NEX4izXXMv9tfWlFfWDtH RhmDV25WXLTa/h1Iz7rl2m1FPZ48oB7VOaar0seIPYF+kQ+tVr0CsSnfx22uHfoj H2g8ahfjjDhyPJTraDjQbdyenW5TzZ3ZzoBpwlpRynbKwKgLqnFdCBtG/vdm0SMM ZOfITT0aU8/tyh/zUm3pOmhIQJpGrxQC7ox0Jya+wc6tNT9ixKAocfUm/ftSuZBD EmH+YlfdQivEcaiP9GlPyGKFp0xRlAtDjbPiA5ZZXJtCNS17KRHNmc/GRIBnhqJu sv8c5Qxj3xppoBbTENKy0WI81L200CEpBrm+7qUgQj+TRdXzCaLCL7KTyLlmKxQa mor1TPDbrs5FEMWVaPJLloKSlKCm0forFnuRIxD3VYLQxqeomHY4CaV+vNjdMJDC 4oV64Z1XVDR5SjtA+/MmX07FdTBdlGDzBZQugwQyhbM+iHEHBmvxXkyMEBpVBN2x U9XICr1PBibENZAyS/IKYW8ilfPtkUiW6Jgyk5W7bIw= =eXsP -----END PGP SIGNATURE----- Merge tag 'nf-26-07-10' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf Florian Westphal says: ==================== netfilter: updates for net The following patchset contains Netfilter fixes for *net*. These are fixes for bugs except patches 6 and 9 which fix issues added in last PR and 7.1-rc1. 1) Reject unsupported target families in xt_nat_checkentry(). From Wyatt Feng. 2) Fix inverted time_after() check in ecache_work_evict_list(). Causes pointless work rescheds and thus way longer time to clear the pending event backlog. From Yizhou Zhao. 3) Fix a use-after-free in br_ip6_fragment() caused by a dangling prevhdr pointer. From Xiang Mei. 4) Fix incorrect conntrack zone comparison in nf_conncount tuple deduplication. Pass IP_CT_DIR_ORIGINAL, not zone direction. From Yizhou Zhao. 5) Add bridge tunnel flowtable regression test for a bug that got fixed in the previous PR. From Zhengyang Chen. 6) Use the correct direction when setting up tunnel routes in the flowtable xmit path. From Pablo Neira Ayuso. This fixes a bug added in the previous PR. 7) Reload IP header after potential skb head reallocation in IPVS. 8) Fix incorrect IPv6 transport offsets in TCP application code. Correct the ICMPv6 header offset to ensure proper checksumming with extension headers, from Julian Anastasov. this is a followup to the previous PR. 9) Remove null-termination requirement for xt_physdev masks, this broke device names with 15 characters. netfilter pull request nf-26-07-10 * tag 'nf-26-07-10' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf: netfilter: xt_physdev: masks are not c-strings ipvs: fix more places with wrong ipv6 transport offsets ipvs: reload ip header after head reallocation netfilter: flowtable: use correct direction to set up tunnel route selftests: netfilter: add bridge tunnel flowtable regression netfilter: nf_conncount: fix zone comparison in tuple dedup netfilter: bridge: fix stale prevhdr pointer in br_ip6_fragment() netfilter: ecache: fix inverted time_after() check netfilter: xt_nat: reject unsupported target families ==================== Link: https://patch.msgid.link/20260710143733.29741-1-fw@strlen.de Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
||
|
Linus Torvalds
|
fce2dfa773 |
ten client fixes
-----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEE6fsu8pdIjtWE/DpLiiy9cAdyT1EFAmpZZLcACgkQiiy9cAdy T1HsUwv/SMAAxV/8OlEiSfhg+YBjgHio1MRG8eB8yyaJJxpbt5AfYKR5yDc57GUT +CdVKxc+ZBFKhaNDFF+w0Z+nzTC5KGRRiixNVperet8gqzwuL5ZE1BrSJJDbf7CY uPuUTlTol380U7mV/F+3elV+1oFiyNcZFIPPnTKldJdrVOf+tHKIoP9ffVbnVw4X eY5h1EbmV+VCDNI+crkFPl49VeeYhOGeUx+zhW2gwkMae0/CBKeYVa2ztvWOPZeq k8tLdL/OU4ZT85XFPPrjdJ8RY39kNqv6ZKE4k5LScWjm4Cz/kNvMrVbACoUfR6Vr a7kt64rCDmpfcgpB5uIMsQ7TkPPULwT4qic41uBq8LxmsDKvYJD+Fc1mJkl2b4gW 6T0K0jieBleECc4Mj/XLwoZlfQux1F/2801aHo3QxcfY5zjjRY+FlEhrDGJ4dgXA wGVXwvZF4od6Yp+dTn+JxsJs8x3PrLV5uON09yetoPaptIfINlCtfPc8noFOI+aa 3ApU8cuF =MgQD -----END PGP SIGNATURE----- Merge tag 'v7.2-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6 Pull smb client fixes from Steve French: - fallocate fixes - unit test fixes - fix allocation size after duplicate extents - fix check for overlapping data areas * tag 'v7.2-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6: smb/client: flush dirty data before punching a hole smb/client: Use EXPORT_SYMBOL_IF_KUNIT() to export symbols in SMB2 smb/client: Use EXPORT_SYMBOL_IF_KUNIT() to export symbols smb: client: reject overlapping data areas in SMB2 responses smb/client: refresh allocation after EOF-extending fallocate smb/client: emulate small EOF-extending mode 0 fallocate ranges smb/client: reduce fallocate zero buffer allocation smb/client: handle overlapping allocated ranges in fallocate smb/client: refresh allocation size after duplicate extents smb: client: use kvzalloc() for megabyte buffer in simple fallocate |
||
|
Linus Torvalds
|
481ed5dd3e |
Landlock fix for v7.2-rc4
-----BEGIN PGP SIGNATURE----- iIYEABYKAC4WIQSVyBthFV4iTW/VU1/l49DojIL20gUCalkmfRAcbWljQGRpZ2lr b2QubmV0AAoJEOXj0OiMgvbSEScA/0ulphDJlXSqY1pEVlnBevE4IefLi7gnjfAj vH0N8fVfAP91GUMSwhj/i308G2pO4Uh+gJykCUqQjoVyf3I5KKm4AA== =lyOn -----END PGP SIGNATURE----- Merge tag 'landlock-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux Pull landlock fix from Mickaël Salaün: "This fixes TCP Fast Open support, specific test environments, and doc warnings" * tag 'landlock-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux: selftests/landlock: Skip scoped_signal subtest with MSG_OOB if not available selftests/landlock: Fix screwed up pointers in the scoped_signal_test landlock: Update formatting landlock: Fix kernel-doc for the nested quiet layer flag selftests/landlock: Add test for TCP fast open landlock: Fix TCP Fast Open connection bypass |
||
|
Linus Torvalds
|
e22254e9dd |
xfs: fixes for v7.2-rc4
Signed-off-by: Carlos Maiolino <cem@kernel.org> -----BEGIN PGP SIGNATURE----- iJUEABMJAB0WIQSmtYVZ/MfVMGUq1GNcsMJ8RxYuYwUCalj/DwAKCRBcsMJ8RxYu Y3UMAYCrPzc41SGZdOkoxvO5g3BwGISXYCiCCIFFvnnDXztuiJytgZ+VPH+C7X4J tlGjRXUBfi8PcoePIbDfPXxay+T/g5Pz29ADyl2UAkxPYRRWeYYxKTyCTBvBdUXS lMCnv0pSPg== =Hcay -----END PGP SIGNATURE----- Merge tag 'xfs-fixes-7.2-rc4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux Pull xfs fixes from Carlos Maiolino: "This contains mostly a series of bug fixes found by different LLM models" * tag 'xfs-fixes-7.2-rc4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (21 commits) xfs: don't zap bmbt forks if they are MAXLEVELS tall xfs: clamp timestamp nanoseconds correctly xfs: fully check the parent handle when it points to the rootdir xfs: handle non-inode owners for rtrmap record checking xfs: fix off-by-one error when calling xchk_xref_has_rt_owner xfs: set xfarray killable sort correctly xfs: grab rtrmap btree when checking rgsuper xfs: write the rg superblock when fixing it xfs: use the rt version of the cow staging checker xfs: use rtrefcount btree cursor in xchk_xref_is_rt_cow_staging xfs: don't wrap around quota ids in dqiterate xfs: move cow_replace_mapping to xfs_bmap_util.c xfs: make cow repair somewhat flaky when debugging knob enabled xfs: don't replace the wrong part of the cow fork xfs: resample the data fork mapping after cycling ILOCK xfs: fix null pointer dereference in tracepoint xfs: use xfs_csn_t for xlog_cil_push_now() push_seq parameter xfs: tie zoned sysfs lifetime to zone info xfs: fail recovery on a committed log item with no regions xfs: splice unsorted log items back to the transaction after the loop ... |
||
|
Linus Torvalds
|
133fc7aacc |
Changes since last update:
- Fix sanity checks for ztailpacking tail pclusters to avoid
false corruption reports
- Use more informative s_id for file-backed mounts
- Hide the meaningless "cache_strategy=" mount option on plain
(uncompressed) filesystems
- Remove the unneeded erofs_is_ishare_inode() helper
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Merge tag 'erofs-for-7.2-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs fixes from Gao Xiang:
- Fix sanity checks for ztailpacking tail pclusters to avoid
false corruption reports
- Use more informative s_id for file-backed mounts
- Hide the meaningless "cache_strategy=" mount option on plain
(uncompressed) filesystems
- Remove the unneeded erofs_is_ishare_inode() helper
* tag 'erofs-for-7.2-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: hide "cache_strategy=" for plain filesystems
erofs: get rid of erofs_is_ishare_inode() helper
erofs: relax sanity check for tail pclusters due to ztailpacking
erofs: use more informative s_id for file-backed mounts
|
||
|
Linus Torvalds
|
6f5156d7a3 |
Power management fixes for 7.2-rc4
- Make cpufreq_update_pressure() use cpuinfo.max_freq as the default
reference frequency when arch_scale_freq_ref() returns 0 to allow
the scheduler to still take CPU frequency caps into account in those
cases (Rafael Wysocki)
- Use the HWP guaranteed performance level as the full capacity
performance in intel_pstate on hybrid systems when turbo frequencies
are not allowed to be used to make scale-invariance work as expected
in those cases (Rafael Wysocki)
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Merge tag 'pm-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix two cpufreq issues, one in the intel_pstate driver and one
in the core:
- Make cpufreq_update_pressure() use cpuinfo.max_freq as the default
reference frequency when arch_scale_freq_ref() returns 0 to allow
the scheduler to still take CPU frequency caps into account in
those cases (Rafael Wysocki)
- Use the HWP guaranteed performance level as the full capacity
performance in intel_pstate on hybrid systems when turbo
frequencies are not allowed to be used to make scale-invariance
work as expected in those cases (Rafael Wysocki)"
* tag 'pm-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: Make cpufreq_update_pressure() fall back to cpuinfo.max_freq
cpufreq: intel_pstate: Set non-turbo capacity to HWP_GUARANTEED_PERF()
|
||
|
Linus Torvalds
|
4302c3503c |
pmdomain providers:
- imx: Assign child domains for imx93 to prevent power off when in use - imx: Fix i.MX8MP power up sequences - mediatek: Fix possible nullptr in HWV cleanup/on-check -----BEGIN PGP SIGNATURE----- iQJEBAABCgAuFiEEugLDXPmKSktSkQsV/iaEJXNYjCkFAmpY0fEQHHVsZmhAa2Vy bmVsLm9yZwAKCRD+JoQlc1iMKZtVD/9E1rSTcAK/tHKIt2Ng8hLPZgWib8z8JjDj OU8i5kmMJHnymEcnWYllMFkAjJicVauo3kbNyMZqtU+TxDTqrZgUjWzO9Pu7OGMy ZA4YBBGnDQP7faRrfTDB31EVuwxziTq9kcctpqkYEiSWnN1+ZOpAF2vqfHvOEek0 v82Wu6fSorZXeXYjH49sEEAW8qiel8u3gA6ctHv2MFXD7fqK6POTTWpHdvnBI0rp CRP4imWH6tTKC2FVMw5rLel+JzHU6y658Qg/gd2AVtG+8nQH/LX7gu0M2tg0E/Sq TTMbRSnS93+rlTyWSkJgIyQnlSGkYddHJEGDFxaUxfln2LiLCNeXgbPcJvAQIEji GH5AeJEoz6XtkVBsv4Aga+EG1O154YKQ8/jnGGM2q+cFrBItfeiNcSwhexHoNMnw hIcKW7lvmEUM/N/GS3wsBBJBftAz8bmeSITEqrVzscIZRVjWlElYrtAuG+cmKagc jamfwQDJ2WfzJz9lolSMbKobo6bJEzmxqvP6cN1iVgHkdm22BxE29q2/XACilzH4 ASMHbkxd3gAR2P4HrzhxX6jn0SI7YxJCfrI1aYD6yKKp7MA2sdWBm3IVTREHZhP2 5FiArPQced3tjdtlDfbXLan1AmEiZ49o31fEUssylA4D7Z1G8qKB7RXXphDayRM/ ATNSav1EzQ== =tWH8 -----END PGP SIGNATURE----- Merge tag 'pmdomain-v7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm Pull pmdomain fixes from Ulf Hansson: "imx: - Assign child domains for imx93 to prevent power off when in use - Fix i.MX8MP power up sequences mediatek: - Fix possible nullptr in HWV cleanup/on-check" * tag 'pmdomain-v7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: pmdomain: mediatek: Fix possible nullptr KP in HWV cleanup/on-check pmdomain: imx: Fix i.MX8MP VC8000E power up sequence pmdomain: imx: Fix i.MX8MP power notifier pmdomain: imx93-blk-ctrl: Extract PHY as shared domain for DSI/CSI dt-bindings: power: imx93: Add MIPI PHY power domain |
||
|
Linus Torvalds
|
c270a4218b |
Arm:
- Fix an accounting buglet when reclaiming pages from a protected guest
- Fix a bunch of architectural compliance issues when injecting a
synthesised exception, most of which were missing the PSTATE.IL bit
indicating a 32bit-wide instruction
- Another set of fixes addressing issues with translation of VNCR_EL2,
including corner cases where the guest point that register at a RO
page...
- Don't warn when trapping accesses to ZCR_EL2 from an L2 guest, as
that's not unexpected at all
- Address a bunch of races with LPI migration vs LPIs being disabled
- Fix a total howler of a bug combining FEAT_MOPS and NV, resulting in
exception returning in the wrong place...
- Move locking for kvm_io_bus_get_dev() into the caller, ensuring
race-free checks that the returned object is of the correct type
- Fix initialisation of the page-table walk level when relaxing
permissions
- Correctly update the XN attribute when relaxing permissions
- Fix the sign extension of loads from emulated MMIO regions
- Assorted collection of fixes for pKVM's FFA proxy, together with a
couple of FFA driver adjustments
- Coerce Fuad Tabba into a reviewer role, and may his Inbox catch fire!
s390:
- more gmap KVM memory management fixes
- PCI passthru fixes
x86:
- Fix a bug where KVM will trigger a UAF if updating IOMMU IRTEs fails when
registering an IRQ-bypass producer.
- Ignore pending PV EOI instead of BUG()ing the host if the feature was
disabled by the guest.
- Fix nVMX bugs where KVM would run L1 with an L1-controlled CR3 after a
failed "late" consistency check when KVM is NOT using EPT.
- Disallow intra-host migration/mirroring of SNP VMs as KVM doesn't yet
support moving/mirroring SNP state.
- Fix a TOCTOU bug in KVM's handling of the "trusted" CPUID for TDX guests.
- Fix a NULL pointer deref in trace_kvm_inj_exception() where a change to the
core infrastructure missed KVM's unique (ab)use of __print_symbolic().
- Put vmcs12 pages if nested VM-Enter fails due to invalid guest state
- Fix TLB conflicts between two VMs if one of them VM is run on a CPU before
and after it is hotplugged.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"arm64:
- Fix an accounting buglet when reclaiming pages from a protected
guest
- Fix a bunch of architectural compliance issues when injecting a
synthesised exception, most of which were missing the PSTATE.IL bit
indicating a 32bit-wide instruction
- Another set of fixes addressing issues with translation of
VNCR_EL2, including corner cases where the guest point that
register at a RO page...
- Don't warn when trapping accesses to ZCR_EL2 from an L2 guest, as
that's not unexpected at all
- Address a bunch of races with LPI migration vs LPIs being disabled
- Fix a total howler of a bug combining FEAT_MOPS and NV, resulting
in exception returning in the wrong place...
- Move locking for kvm_io_bus_get_dev() into the caller, ensuring
race-free checks that the returned object is of the correct type
- Fix initialisation of the page-table walk level when relaxing
permissions
- Correctly update the XN attribute when relaxing permissions
- Fix the sign extension of loads from emulated MMIO regions
- Assorted collection of fixes for pKVM's FFA proxy, together with a
couple of FFA driver adjustments
- Coerce Fuad Tabba into a reviewer role, and may his Inbox catch
fire!
s390:
- more gmap KVM memory management fixes
- PCI passthru fixes
x86:
- Fix a bug where KVM will trigger a UAF if updating IOMMU IRTEs
fails when registering an IRQ-bypass producer
- Ignore pending PV EOI instead of BUG()ing the host if the feature
was disabled by the guest
- Fix nVMX bugs where KVM would run L1 with an L1-controlled CR3
after a failed "late" consistency check when KVM is NOT using EPT
- Disallow intra-host migration/mirroring of SNP VMs as KVM doesn't
yet support moving/mirroring SNP state
- Fix a TOCTOU bug in KVM's handling of the "trusted" CPUID for TDX
guests
- Fix a NULL pointer deref in trace_kvm_inj_exception() where a
change to the core infrastructure missed KVM's unique (ab)use of
__print_symbolic()
- Put vmcs12 pages if nested VM-Enter fails due to invalid guest
state
- Fix TLB conflicts between two VMs if one of them VM is run on a CPU
before and after it is hotplugged"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (48 commits)
KVM: SVM: Bump asid_generation on CPU online to avoid ASID collision after hotplug
KVM: nVMX: Put vmcs12 pages if nested VM-Enter fails due to invalid guest state
KVM: x86: Fix null pointer deref due to dummy array in trace_kvm_inj_exception()
KVM: TDX: Reject concurrent change to CPUID entry count
KVM: selftests: Verify SNP VMs are rejected from migration and mirroring
KVM: SEV: Do not allow intra-host migration/mirroring of SNP VMs
KVM: s390: pci: Fix handling of AIF enable without AISB
KVM: s390: Improve kvm_s390_vm_stop_migration()
KVM: s390: Fix dat_crste_walk_range() early return
KVM: s390: vsie: Avoid potential deadlock with real spaces
KVM: s390: pci: Fix GISC refcount leak on AIF enable failure
KVM: nVMX: Don't use vmcs01.GUEST_CR3 to snapshot L1's CR3 when EPT is disabled
KVM: nVMX: Move vTPR vs. TPR Threshold consistency check into "normal" checks
KVM: x86: Ignore pending PV EOI if the vCPU has since disabled PV EOIs
KVM: x86: Nullify irqfd->producer if updating IRTE for bypass fails
KVM: arm64: Fix propagation of TLBI level in kvm_pgtable_stage2_relax_perms()
firmware: arm_ffa: Fix Endpoint Memory Access Descriptor offset calculation
firmware: arm_ffa: Fix out-of-bound writes in ffa_setup_and_transmit()
KVM: arm64: Zero out the stack initialized data in the FFA handler
KVM: arm64: Ensure FFA ranges are page aligned
...
|
||
|
Arnd Bergmann
|
3d9855d114 |
Renesas fixes for v7.2
- Fix lock-ups on the Ironhide development board. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQ9qaHoIs/1I4cXmEiKwlD9ZEnxcAUCaliPHAAKCRCKwlD9ZEnx cPqEAP9CgnS3ROeV9CJAPrOwIH8nwbroFy2tgqpkkhRTZ5qcZQEA+oug2if1NUSi jnIUafDsXz/6ORDGowJY9o9t+KpkQw4= =bUV7 -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEo6/YBQwIrVS28WGKmmx57+YAGNkFAmpY4+sACgkQmmx57+YA GNmJPA/9GeMYHajyH3vXdEJwHHAuRz/pi0z17iFNVsvBc5lnO/cF+IQZMPSmoPDh +ai2asyNbHHCWhNwr14gneUhp2qxMfsIDWfDGPg9y4w+tQNLrY3CWAaYxLQM3k5f Zz/r60lU/OGbNw+oxjcbw0sFQhbngotToXPpS9imRBM2QRi3u3Cf610rTed3mKo1 CHDtpivdqE2eNK7z24SJiSaJc1x1r5MXsphuaPcoJX+adpMI1e5o4/bU87Yprqdk iWZCeY7vt3z+sM6WcfVqBEqbC/I7G2h7RyvUvoqOSd8+QT6Qb/8H94a+Au4o4Ydh CHwzxKw21zhCYd9Zr0LEVhcIKDOtQ0yI7reW8s5jmBgblkUhre+WPBqywrS3YIgB hPaJgooG1KyXV6p8W6BIddQv4Hy1hrBtyuV9fN0EqbDiQVg+HrDKqlnUv5a6nqxt 03AOOIDDpwyNCJDGZBXL85mFGnHk6Znmhj9uOyol2rJCj3eO42D+YFrfFVABGiYG DpKVMOM0ZdfZ5iH/h6q5PRwDJIjuz/Eofc3z5F/nszM6bAooMt1AKmjTomLaVxlS +yeK2V63AmFL1V/9iIiOzjk2bJEeyxwKjTySxE1hNXgZipMm4Vk4zeNoeY5kC6ed DwbjVHGpwERX6e1En4YvDEsso32IQSlXA9Rr1xiOkqVU3ZoVWSI= =YVSS -----END PGP SIGNATURE----- Merge tag 'renesas-fixes-for-v7.2-tag1' of https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/fixes Renesas fixes for v7.2 - Fix lock-ups on the Ironhide development board. * tag 'renesas-fixes-for-v7.2-tag1' of https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel: arm64: dts: renesas: ironhide: Describe inline ECC carveouts Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
||
|
Marc Kleine-Budde
|
6fd9e37916 |
Merge patch series "net: can: isotp-fixes"
Oliver Hartkopp <socketcan@hartkopp.net> says: As sashiko-bot was not able to check the second patch this bundle is re-posted with b4 preparation. Link: https://patch.msgid.link/20260712-isotp-fixes-v10-0-793a1b1ce17f@hartkopp.net [mkl: added stable@k.o on Cc, converted Link: -> Closes:] Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> |
||
|
Oliver Hartkopp
|
cf070fe33b |
can: isotp: serialize TX state transitions under so->rx_lock
The TX state machine (so->tx.state) is driven from three contexts:
sendmsg() claiming and progressing a transfer, the RX path consuming
Flow Control/echo frames, and two hrtimers timing out a stalled
transfer. Mixing a lock-free cmpxchg() claim in sendmsg() with
hrtimer_cancel() calls made under so->rx_lock elsewhere left windows
where a frame or timer callback could act on a state that had already
moved on, corrupting an unrelated transfer.
so->rx_lock now covers the full lifecycle of a TX claim: sendmsg()
takes it to check so->tx.state is ISOTP_IDLE, switch it to
ISOTP_SENDING, bump so->tx_gen and drain the previous transfer's
timers - all as one critical section. isotp_rcv_fc()/isotp_rcv_cf()
already run under this lock via isotp_rcv(), and isotp_rcv_echo() now
takes it itself, so none of them can ever observe a transfer mid-claim.
This also means a transfer can no longer be handed to sendmsg()'s
cleanup paths (signal or send error) while another thread is
concurrently claiming or finishing it, so those paths can cancel
timers and reset the state unconditionally.
isotp_release() claims the socket the same way, so a racing sendmsg()
sees a consistent ISOTP_SHUTDOWN and skips arming its timer or sending.
Only the hrtimer callbacks stay outside so->rx_lock, since they run
under so->rx_lock's cancellation elsewhere and taking it themselves
would deadlock. so->tx_gen lets them recognize whether the transfer
they timed out is still the one currently active, so they don't
report an error against a transfer that has since completed or been
superseded.
Fixes:
|
||
|
Oliver Hartkopp
|
20bab8b88b |
can: isotp: fix use-after-free race with concurrent NETDEV_UNREGISTER
isotp_release() looked up the bound network device via dev_get_by_index()
using the stored ifindex. During device unregistration the device is
unlisted from the ifindex hash before the NETDEV_UNREGISTER notifier
chain runs, so a concurrent isotp_release() could find no device, skip
can_rx_unregister() entirely, and still proceed to free the socket.
Since isotp_release() had already removed itself from the isotp
notifier list at that point, isotp_notify() would never get a chance to
clean up either, leaving a stale CAN filter that keeps pointing at the
freed socket.
Fix this the same way raw.c already does: hold a tracked reference to
the bound net_device in the socket (so->dev/so->dev_tracker) from
bind() onward instead of re-resolving it from the ifindex, and
serialize bind()/release() with rtnl_lock() so that so->dev is always
consistent with what the NETDEV_UNREGISTER notifier sees. so->dev
stays valid regardless of ifindex-hash unlisting, and is only ever
cleared by whichever of isotp_release()/isotp_notify() gets there
first, so the filter is always removed exactly once.
isotp_bind() now rejects a (re)bind with -EAGAIN while so->[tx|rx].state
isn't ISOTP_IDLE yet, so a timer left running by a prior
NETDEV_UNREGISTER can't act on a newly bound so->ifindex. Both checks
share the same lock_sock() section, so there is no window in which a
concurrent isotp_notify() clearing so->bound could be missed.
Fixes:
|
||
|
Oliver Hartkopp
|
9b1a02e0d9 |
can: isotp: use unconditional synchronize_rcu() in isotp_release()
isotp_notify() unregisters the (RCU) CAN filters via can_rx_unregister()
and clears so->bound without waiting for a grace period. isotp_release()
uses so->bound to decide whether it needs to call synchronize_rcu()
before cancelling so->rxtimer, so when NETDEV_UNREGISTER runs first it
skips that synchronize_rcu() and can cancel the timer while an
in-flight isotp_rcv() is still executing and about to re-arm it via
isotp_send_fc(), leading to a use-after-free timer callback on the
freed socket.
sakisho-bot remarked a problem with rtnl_lock held in isotp_notify(),
therefore make isotp_release() always call synchronize_rcu() before
cancelling the timers, regardless of so->bound. This still closes the
original race (isotp_notify() clearing so->bound without waiting for
in-flight isotp_rcv() callers before isotp_release() cancels the RX
timer) without adding any RCU wait to the netdevice notifier path.
Fixes:
|
||
|
Marc Kleine-Budde
|
05e4a26517 |
Merge patch series "can: bcm: collected fixes"
Oliver Hartkopp <socketcan@hartkopp.net> says: as there were different patches flying arround to fix CAN_BCM issues and AI assisted stuff pop's up again and again, I've created this collection to be applied. Link: https://patch.msgid.link/20260714-bcm_fixes-v15-0-562f7e3e42da@hartkopp.net [mkl: added stable@k.o on Cc, converted Link: -> Closes:] Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> |
||
|
Oliver Hartkopp
|
2f5976f54a |
can: bcm: track a single source interface for ANYDEV timeout/throttle ops
An ANYDEV rx op (ifindex == 0) with an active RX timeout and/or
throttle timer has no defined semantics when matching frames arrive
from several interfaces: bcm_rx_handler() can run concurrently for
the same op on different CPUs, racing hrtimer_cancel()/
bcm_rx_starttimer() against bcm_rx_timeout_handler() and causing
spurious RX_TIMEOUT notifications and last_frames corruption. The
same concurrency lets throttled multiplex frames from different
interfaces clobber the single rx_ifindex/rx_stamp fields shared by
the op.
Add op->if_detected to track the first interface that delivers a
matching frame while a timeout/throttle timer is configured, and
reject frames from any other interface for that op. The claim is
decided in bcm_rx_handler() before hrtimer_cancel() touches
op->timer, so a rejected frame can never disturb the claimed
interface's watchdog. RTR-mode ops are excluded via RX_RTR_FRAME,
independent of kt_ival1/kt_ival2, since those may briefly hold a
stale value from an earlier non-RTR configuration.
The claim is released in bcm_notify() on NETDEV_UNREGISTER and in
bcm_rx_setup() when SETTIMER reconfigures the timer values.
A (re-)claim is only possible on CAN devices in NETREG_REGISTERED
dev->reg_state to cover the release in bcm_notify() where reg_state
becomes NETREG_UNREGISTERING until synchronize_net().
Fixes:
|
||
|
Oliver Hartkopp
|
58fd6cbc85 |
can: bcm: fix data race on rx_stamp/rx_ifindex in bcm_rx_handler()
For an rx op subscribed on all interfaces (ifindex == 0), the same op
is registered once in the shared per-netns wildcard filter list, so
bcm_rx_handler() can run concurrently on different CPUs for frames
arriving on different net devices.
op->rx_stamp and op->rx_ifindex were written before bcm_rx_update_lock was
taken, allowing concurrent writers to race each other - including a torn
store of the 64-bit rx_stamp on 32-bit platforms.
Beyond a torn store bcm_send_to_user() must report the timestamp/ifindex
of the very same frame whose content it is delivering. So the assignment
is placed in the same unbroken bcm_rx_update_lock section as the content
comparison.
As a side effect, the RTR-request frame feature (which never reach
bcm_send_to_user()) no longer updates rx_stamp/rx_ifindex, since only
the notification path needs them.
Fixes:
|
||
|
Oliver Hartkopp
|
3b762c0d95 |
can: bcm: fix stale rx/tx ops after device removal
RX: an RX_SETUP update(!) for an existing op skipped can_rx_register()
unconditionally, even when a concurrent NETDEV_UNREGISTER had already
torn down its registration (op->rx_reg_dev == NULL). This silently
did not re-enable frame delivery for that updated filter. bcm_rx_setup()
now re-registers in that case, while leaving rx_ops with ifindex = 0
(all CAN devices) which never carry a tracked rx_reg_dev registered as-is.
TX: bcm_notify() only handled bo->rx_ops on NETDEV_UNREGISTER, leaving
tx_ops with an active cyclic transmission re-arming its hrtimer
indefinitely to execute bcm_tx_timeout_handler(). Cancelling the hrtimer
prevents the runaway timer and any injection into a later reused ifindex,
since nothing else calls bcm_can_tx() for the op until an explicit
TX_SETUP update re-arms it.
Unlike bcm_rx_unreg(), which clears the tracked rx_reg_dev for rx_ops,
the ifindex is intentionally left unchanged for tx_ops. bcm_tx_setup()
always rejects ifindex 0, so clearing it would strand the op: neither a
later TX_SETUP (bcm_find_op()) nor TX_DELETE (bcm_delete_tx_op()) could
ever find it again, since both require an exact ifindex match.
Reported-by: sashiko-bot@kernel.org
Closes: https://lore.kernel.org/linux-can/20260708094536.DDF821F00A3A@smtp.kernel.org/
Closes: https://lore.kernel.org/linux-can/20260708154039.347ED1F000E9@smtp.kernel.org/
Fixes:
|
||
|
Oliver Hartkopp
|
d59948293e |
can: bcm: add missing device refcount for CAN filter removal
sashiko-bot remarked a problem with a concurrent device unregistration in isotp.c which also is present in the bcm.c code. A former fix for raw.c commit |
||
|
Oliver Hartkopp
|
62ec41f364 |
can: bcm: validate frame length in bcm_rx_setup() for RTR replies
bcm_tx_setup() validates cf->len against the CAN/CAN FD DLC limits
before installing frames for TX_SETUP, but bcm_rx_setup() never did
the same for the RTR-reply frame configured via RX_SETUP with
RX_RTR_FRAME.
Fixes:
|
||
|
Oliver Hartkopp
|
12ce799f7a |
can: bcm: extend bcm_tx_lock usage for data and timer updates
Stage new CAN frame content for an existing tx op into a kmalloc()'d
buffer and validate it there, mirroring the approach already used in
bcm_rx_setup(). Only copy the validated data into op->frames while
holding op->bcm_tx_lock, so bcm_can_tx() and bcm_tx_timeout_handler()
can no longer observe a partially updated or unvalidated frame.
Add a missing error path for memcpy_from_msg() when copying CAN frame
data from userspace.
Also move the kt_ival1/kt_ival2/ival1/ival2 updates in bcm_tx_setup()
under op->bcm_tx_lock, and read kt_ival1/kt_ival2/count under the same
lock in bcm_tx_set_expiry() and bcm_tx_timeout_handler(), closing the
torn 64-bit ktime_t read on 32-bit platforms.
Fixes:
|
||
|
Oliver Hartkopp
|
7b2c3eabc4 |
can: bcm: add missing rcu list annotations and operations
sashiko-bot remarked the missing use of list_add_rcu() in
bcm_[rx|tx]_setup() to have a proper initialized bcm_op structure
when bcm_proc_show() traverses the bcm_op's under rcu_read_lock().
To cover all initial settings of the bcm_op's the list_add_rcu() calls
are moved to the end of the setup code.
While at it, also fix the mirroring removal side: bcm_release() called
bcm_remove_op() - which frees the op via call_rcu() - on ops that were
still linked in bo->tx_ops/bo->rx_ops, without list_del_rcu() first.
Unlink each op with list_del_rcu() before handing it to bcm_remove_op(),
matching the existing pattern in bcm_delete_tx_op()/bcm_delete_rx_op().
Reported-by: sashiko-reviews@lists.linux.dev
Closes: https://lore.kernel.org/linux-can/20260610094654.A1FFE1F00893@smtp.kernel.org/
Fixes:
|
||
|
Oliver Hartkopp
|
e6c24ba95f |
can: bcm: fix CAN frame rx/tx statistics
KCSAN detected a data race within the bcm_rx_handler() when two CAN frames
have been simultaneously received and processed in a single rx op by two
different CPUs.
Use atomic operations with (signed) long data types to access the
statistics in the hot path to fix the KCSAN complaint.
Additionally simplify the update and check of statistics overflow by
using the atomic operations in separate bcm_update_[rx|tx]_stats()
functions. The rx variant runs under bcm_rx_update_lock to prevent
races when resetting the two rx counters; the tx variant runs under
bcm_tx_lock and only needs to guard its own counter's overflow.
As the rx path resets its values already at LONG_MAX / 100, there is
no conflict between the two locking domains (bcm_rx_update_lock vs.
bcm_tx_lock) even for ops that use both paths.
The rx statistics update and the frames_filtered update in
bcm_rx_changed() were previously performed in two separate
bcm_rx_update_lock sections. For an rx op subscribed on all interfaces
(ifindex == 0), bcm_rx_handler() can run concurrently on different
CPUs, so a counter reset by one CPU between these two sections could
leave frames_filtered larger than frames_abs on another CPU, producing
a bogus (even negative) reduction percentage in procfs. Update the
statistics in the same critical section as bcm_rx_changed() to close
this gap, which also removes the now unneeded extra lock/unlock pair
around the traffic_flags calculation.
Fixes:
|
||
|
Oliver Hartkopp
|
749179c2e2 |
can: bcm: add locking when updating filter and timer values
KCSAN detected a simultaneous access to timer values that can be
overwritten in bcm_rx_setup() when updating timer and filter content
while bcm_rx_handler(), bcm_rx_timeout_handler() or bcm_rx_thr_handler()
run concurrently on incoming CAN traffic.
Protect the timer (ival1/ival2/kt_ival1/kt_ival2/kt_lastmsg) and filter
(nframes/flags/frames/last_frames) updates in bcm_rx_setup() with a new
per-op bcm_rx_update_lock, taken with the matching scope in the RX
handlers. memcpy_from_msg() is staged into a temporary buffer before the
lock is taken, since it can sleep and must not run under a spinlock.
hrtimer_cancel() is always called without bcm_rx_update_lock held, since
bcm_rx_timeout_handler()/bcm_rx_thr_handler() take the same lock and a
running callback would otherwise deadlock against the canceller.
Also close a related race: bcm_rx_setup() cleared the RTR flag in the
stored reply frame's can_id as a separate, unprotected step after the
frame content was already installed, so a concurrent bcm_rx_handler()
could transmit a stale reply with CAN_RTR_FLAG still set. Fold that
normalization into the initial frame preparation instead (on the staged
buffer for updates, directly on op->frames pre-registration for new
ops), so the installed frame is always atomically self-consistent.
bcm_rx_handler()'s RX_RTR_FRAME check now takes a lock-protected
snapshot of op->flags before deciding whether to call bcm_can_tx(),
but does not hold the lock across that call.
Also take a lock-protected snapshot of the currframe in bcm_can_tx()
to avoid partly overwrites by content updates in bcm_tx_setup().
Finally check if a TX_RESET_MULTI_IDX/SETTIMER might have reset
op->currframe between the two locked sections in bcm_can_tx().
Omit calling hrtimer_forward() with zero interval in bcm_rx_thr_handler().
kt_ival2 may have been concurrently cleared by bcm_rx_setup() before it
cancels this timer, so check kt_ival2 inside the bcm_rx_update_lock.
Fixes:
|
||
|
Oliver Hartkopp
|
d9b091d9d2 |
can: bcm: fix lockless bound/ifindex race and silent RX_SETUP failure
bcm_sendmsg() reads bo->ifindex and checks bo->bound before taking
lock_sock(), while bcm_notify(), bcm_connect() and bcm_release() all
mutate both fields under that same lock. Because the lockless reads
and the locked writes are unordered with respect to each other, a
racing bcm_notify() (device unregister) or bcm_connect() (concurrent
bind on another thread sharing the socket) can make bcm_sendmsg()
observe an inconsistent combination, e.g. a stale bound=1 together
with the now-cleared ifindex=0, silently turning a socket bound to a
specific CAN interface into one that also matches "any" interface.
Keep the lockless bo->bound check purely as a fast-path reject, and
move the ifindex read (and a bo->bound re-check) into the locked
section, where every writer already serializes. This removes the
possibility of observing the two fields torn against each other,
rather than trying to fix it with more READ_ONCE()/WRITE_ONCE() pairs
on two independently updated fields. Annotate the now-purely-lockless
bo->bound accesses consistently across all its write sites.
Also fix bcm_rx_setup() silently returning success when the target
device disappears concurrently instead of reporting -ENODEV, so a
broken RX op is no longer left registered as if it had succeeded.
Fixes:
|
||
|
Lee Jones
|
68973f9db7 |
can: bcm: defer rx_op deallocation to workqueue to fix thrtimer UAF
Commit |
||
|
Stéphane Grosjean
|
d83762005c |
can: peak: Modification of references to email accounts being deleted
Following the sale of PEAK-System France by HMS-Networks, this update is intended to change all my @hms-networks.com email addresses to my new @peak-system.fr address. Signed-off-by: Stéphane Grosjean <s.grosjean@peak-system.fr> Link: https://patch.msgid.link/20260410124251.40506-1-stephane.grosjean@free.fr Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> |
||
|
Shuhao Fu
|
e4e8af62ad |
can: j1939: fix lockless local-destination check
j1939_priv.ents[].nusers is documented as protected by priv->lock, and
its updates already happen under that lock. j1939_can_recv() also reads
it under read_lock_bh(). However, j1939_session_skb_queue() and
j1939_tp_send() still read priv->ents[da].nusers without taking the
lock.
Those transport-side checks decide whether to set J1939_ECU_LOCAL_DST, so
they can race with j1939_local_ecu_get() and j1939_local_ecu_put() while
userspace is binding or releasing sockets concurrently with TP traffic.
This can misclassify TP/ETP sessions as local or remote and take the wrong
transport path.
Fix both transport paths by routing the destination-locality check through
a helper that reads ents[].nusers under read_lock_bh(&priv->lock).
Fixes:
|
||
|
Nikunj A Dadhania
|
25f744ffa0 |
KVM: SVM: Bump asid_generation on CPU online to avoid ASID collision after hotplug
If a vCPU stays scheduled out (or blocked) while the last pCPU it ran
on goes through a hotplug cycle (online->offline->online), and the vCPU
then resumes execution on the same pCPU, then it is possible for it to
run with an ASID that has now been assigned to a different vCPU,
resulting in stale TLB translations being used.
svm_enable_virtualization_cpu() resets asid_generation to 1 and sets
next_asid to max_asid + 1 on every CPU online event, including hotplug
cycles. Because next_asid starts beyond the pool boundary, the first
call to new_asid() after an online event always wraps the pool,
incrementing asid_generation to 2 and assigning ASIDs starting from
min_asid.
Consider two vCPUs from different VMs, vCPU-A pinned to CPU-X holding
asid_generation=2 and ASID=N from before the hotplug event:
1. CPU-X goes offline and back online: asid_generation resets to 1,
next_asid = max_asid + 1.
2. One or more vCPUs migrate to CPU-X and call new_asid(), wrapping
the pool and consuming ASIDs starting from min_asid. Eventually
vCPU-B from a different VM is assigned asid_generation=2, ASID=N
— the same ASID that vCPU-A held before the hotplug.
3. vCPU-A enters pre_svm_run() on CPU-X: current_vmcb->cpu is
unchanged so the migration branch is skipped. Its saved
asid_generation=2 matches sd->asid_generation=2, so the generation
check silently passes and vCPU-A continues running with ASID=N —
the same ASID just freshly assigned to vCPU-B.
Both vCPUs from different VMs now run on CPU-X with the same ASID,
causing them to share NPT TLB entries and producing stale translations.
The collision manifests as a KVM internal error (Suberror: 1, emulation
failure). The NPT page fault reports a faulting GPA far outside the
VM's physical memory range — a sign of stale TLB translations being
used. KVM falls back to instruction emulation, which fails on
FPU/XSave instructions (XRSTOR, STMXCSR) that the emulator does not
implement.
Fix this by incrementing asid_generation instead of resetting it to 1
in svm_enable_virtualization_cpu(). On module load, asid_generation
starts at 0 (memset) and the increment produces 1, identical to the
old behaviour. On subsequent hotplug cycles the generation advances
beyond any value a vCPU previously observed on this CPU, so the
generation check in pre_svm_run() reliably forces new_asid() on every
vCPU after every hotplug cycle.
Fixes:
|
||
|
Linus Torvalds
|
37e2f878a7 |
linux_kselftest-kunit-fixes-7.2-rc4
Fixes warning suppressions with kunit built as module: CONFIG_KUNIT is a tristate symbol but the warning suppression code in lib/bug.c is only built if it's built-in due to it using a plain #ifdef, rendering warning suppressions broken for kunit build as loadable module. kunit_is_suppressed_warning() already has a stub for when kunit is disabled so drop that guard entirely. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmpYDmYACgkQCwJExA0N QxzKNA/9HAztZWzHC9XWOBVpYEAef7eTX5jGGjsl+RSxw/1nG6Sj6KxJBEX66oeh aDPG5mew7QxbJFN+OVeB5PlJcvDNvkAAt6L5Rms4F1hdvXzhEbSCCMDgqRX4LocP iMpVhuJeDNnTFP/u69pKMhW1zoUQxe7RhyUObREUtwueB/SQiGFD/D6ULl1I3aXH 4/mK5UVwn2EcoM2HAgShM0pmwcfRw9a9urrZncnt4jWh8oa4XIpgFshZTaagbnm7 cL1XAi009l90aLKsTgonkjMRIxAL5UMn6nRmDkekBH3jm3XORvZaWZEt1i5uohKD bU8aoO+NLalNsmoGr4RnKZ7gG9uNV/l8KXYJVUNKZoME/1Ra6cQ8yrlzpfG0R1SR hRKrat9lnjwI7dUJoZyHaPYp6mPvgjQeOnRCXwVtnnUJdqiZV91KZLnrskCpf/4Q X3C0o6zRhtQjsd7ZDYRSzzb3m8RlsYBdFCYLKUos3zAu1JI8K8ZO9JiMmVhbBJFB HW7RPjmZJ0m7AcJhNvRigDwPXetK5Kb3LqZ5+0crx3kSchxA6LY1nU23i7YQHxdM OuoztdEP5CsHMvSEuWNoaGgj8D0fxlOGLPWgv7Atxdz8FiQhtCnHu8dSUQYiazvV mln/N4fuEFntjkwfVEioEj6zCmBk+JQWdPNzGe8i6jmAHm3jmos= =h2uc -----END PGP SIGNATURE----- Merge tag 'linux_kselftest-kunit-fixes-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kunit fix from Shuah Khan: "Fix warning suppressions with kunit built as module: CONFIG_KUNIT is a tristate symbol but the warning suppression code in lib/bug.c is only built if it's built-in due to it using a plain #ifdef, rendering warning suppressions broken for kunit build as loadable module. kunit_is_suppressed_warning() already has a stub for when kunit is disabled so drop that guard entirely" * tag 'linux_kselftest-kunit-fixes-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: bug: fix warning suppressions with kunit built as module |
||
|
Linus Torvalds
|
e144887d3a |
linux_kselftest-fixes-7.2-rc4
Fixes ftrace reading enabled_func test in add_remove_fprobe_module test. Fixes tracing trigger-hist-poll.tc to use sched_process_exit. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmpX+5wACgkQCwJExA0N Qxyq7g/+OtuW/7PVeE8ozJEvT6Zc03hnf1eOZmtoT/w1BQ0Fsc2K4NGZg/xOHaV4 HtKmEW1CH92ILhGc2dry1xzwPkb+X6ouzUl0gej3r4cV6SKoAS7ssGfLEbNUrZnb 2egGQCtFN0lqurCqM6bZuz/I/P13LNBqhptdlNAJ5rE3bvufBCz7bBQTMZIaSUQ9 Jx7KnXNNW3qa8M3u0Luj3OBot2+jrvg7VPIU/nWFo48qCETHiXYOYC1ScAjA+pfy CtyG90gd3MJMcXALvGVTaiIr7APb8UExchlm3OEWkrnd/cacTh09yRtFKqsKkN97 OHOR/d0GSLz586tGMG5v5WrQaQ2yTpn0XuWGIu5MHflOqRkVlr4nHOkajjIgDKzx o1fcLGGHZzgNDdb/mbszAfFObVnwZdr6ZBlImo0HkCPE2suQdgxPqWv55xwRsdg+ 7CKjxK0AzJpe2pmFNuUiYR41LrtPRxfM+xrxixsXHqY8/eSdB9hqLurQdRbMXZs1 DpM0sl/DHfTQ+gbsWGBKTS90OrBbz3zKGnEDimWveqo8PKtmKHMFvKHu++eGjXrA Nvh6iCsRzGttIMfU7pwMW7+Qo9bWw5eF/tVPsp8OoePrH1FjKgtLYspK0VZli1i4 IAiHQsvlNC5JnbdB354t7qFWNS2+qYEUk7ok3+pbaYJuhn4YFMU= =Bydi -----END PGP SIGNATURE----- Merge tag 'linux_kselftest-fixes-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest fixes from Shuah Khan: - Fix ftrace reading enabled_func test in add_remove_fprobe_module test - Fix tracing trigger-hist-poll.tc to use sched_process_exit * tag 'linux_kselftest-fixes-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests/tracing: Have trigger-hist-poll.tc use sched_process_exit selftests/ftrace: Fix reading enabled_functions in add_remove_fprobe_module test |
||
|
Arnd Bergmann
|
add11ea55f |
Arm SCMI/FF-A fixes for v7.2
Fix two runtime issues in the SCMI framework. Use full 64-bit division when rounding range-based clock rates, avoiding divisor truncation and a possible divide-by-zero on 32-bit systems. Rate-limit notification queue-full warnings emitted from interrupt context to prevent printk floods and prolonged system stalls during notification bursts. Also correct a grammar error in the ARM_SCMI_POWER_CONTROL Kconfig help text. Fix the FF-A driver RX/TX buffer sizing logic to respect the maximum buffer size advertised by firmware, while retaining compatibility with older implementations that may reject PAGE_SIZE-rounded buffers. Also fix a NULL pointer dereference in ffa_partition_info_get() by rejecting NULL UUID strings before passing them to uuid_parse(). -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEunHlEgbzHrJD3ZPhAEG6vDF+4pgFAmpUwQAACgkQAEG6vDF+ 4pgbkA//Vi8kcHJvXynbr4doRmZwGn2tpK5+Rn921xJ8zWDIB3GgCkkLqGEm0KFm vg9KCi3dgXg3w2uM1DN+exPQlmxHmfHJtODiQyRUx7xwuWLUCEt/JqD8FUi1KIUL 0uwtizWj/QTKvioHnZqNOLPbwLn+PGn6E4LE3d7YYvaISnB9gtp68Fkxn+88W1ry guSHNErlaPdyLGLmhh2vCfKz+uWIh2X6ie1IxpLLri1QvlUHupAtOlyhvncWeeaO abBDURuniqP5ol9jLcKrkybshXNo/Nq/VYFgESp72VqkUu5Mccm7/3q9qm3UqOkl t9JKFyj/ytHgt+A6H5A3ju02Yujw7JrTP/Ql6rwBfanbuC4tT1hb28VHMEd0ocs1 uDql+bwIDdmGsoM8W9TxKl3PHGjIK7a8vamaOaKFlXCT3jHAdVoP1a8liC8HmiAq 9u3U86bWbE19U3HlqxDCPS4EO5oug8VJG/YXdUkR3jYOtEbwFk4IIeI/Fx/F8rUc rowSak9u63kg26rfeg5DX3gh+O/9z7cSnefHyYrXi3r+AR0jg396In6eKXG9AJRQ 2g1WjJdj+1UjQrU9rIPURqmMeasZa3o6c4mKpCoUVNbu1sz+elZM2RqhzpFX5V0N EJcGDnnqEK0Ply2YQ1UxIvnLRkRt62ZCp5/9tbGoYD/avOPtULc= =J0zR -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEo6/YBQwIrVS28WGKmmx57+YAGNkFAmpX8usACgkQmmx57+YA GNlwNQ/8Cel80xEVfhAQ9VXAuSTh+8JmGVoPH+COJpvVm38KcDy3d7FB/B5USpIk X3s7fjx9CCc67d2nv4n95JJ19Sj+Ml/sWJnfOsaFeZGSQrow04r6Pko1h4kBxFCG d/oWhq/EWKCxy1mdIkf6EjePQJAHOq0/NxPZuRGz2RQH6K42/otaP+RKGN0eXQqK hpmD9RPEiVBl7rpe0oF/AiUikRsDdbAvjiVG2wHaDVpNoq53u5WcaeHx2RxRtuV+ 2hsmVJ/kSrh4INotcMfE/fNolwW/FRdXsh4VHqo2rt6toF04puUVOMNiaVYtua71 AAoXvQG1x9VNfo8fUYwllHawDFtV66oyUSO6Jr1cUWXiN09PV9Qd18fWI0ncFa5b oGD8l54XsiCvKZzB4XbKPzrSPc3egbUD6o9nPb8G4XlEORPVaqa5U2l9mEuNgjc1 cdjuJU6zHu0plDSvZX3dQ9nLboP4k8jO08tgUaeKPX65Ol2lmOjR0u3/CakkaNQe fgEE6b0tYDNthplgN/rXJrG8D3JrysTQv1XaB1GCPIdBi/WnTkwKbwGJweygxvIL lmdq0apLM2cLzf7tEtXrBvoavHy7j7Os580hc9LllJHoz6jyK5I2vv48bxCkgDms xcky6OCfnD71jN0sLYIeCuhI8CR+5UvmeoW9V9TioFB7qKo1I68= =BUNp -----END PGP SIGNATURE----- Merge tag 'scmi-ffa-fixes-7.2' of https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes Arm SCMI/FF-A fixes for v7.2 Fix two runtime issues in the SCMI framework. Use full 64-bit division when rounding range-based clock rates, avoiding divisor truncation and a possible divide-by-zero on 32-bit systems. Rate-limit notification queue-full warnings emitted from interrupt context to prevent printk floods and prolonged system stalls during notification bursts. Also correct a grammar error in the ARM_SCMI_POWER_CONTROL Kconfig help text. Fix the FF-A driver RX/TX buffer sizing logic to respect the maximum buffer size advertised by firmware, while retaining compatibility with older implementations that may reject PAGE_SIZE-rounded buffers. Also fix a NULL pointer dereference in ffa_partition_info_get() by rejecting NULL UUID strings before passing them to uuid_parse(). * tag 'scmi-ffa-fixes-7.2' of https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux: firmware: arm_scmi: Rate-limit queue-full warnings in IRQ context firmware: arm_scmi: Use 64-bit division for clock rate rounding firmware: arm_scmi: Grammar s/may needed/may be needed/ firmware: arm_ffa: Fix NULL dereference in ffa_partition_info_get() firmware: arm_ffa: Respect firmware advertised RX/TX buffer size limits Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Sean Christopherson
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2f2312c422 |
KVM: nVMX: Put vmcs12 pages if nested VM-Enter fails due to invalid guest state
Put all vmcs12 pages if KVM synthesizes a nested VM-Exit due to invalid guest while emulating VMLAUNCH or VMRESUME. The invalid guest state path doesn't use nested_vmx_vmexit() as that API is intended to be used if and only if L2 is active, and the open coded equivalent neglects to put the vmcs12 pages. Failure to put the vmcs12 pages leaks any pinned pages (and/or mappings) if L1 retries VMLAUNCH/VMRESUME. Note, the !from_vmenter scenario doesn't suffer the same problem, as vmx_get_nested_state_pages() only gets/pins/maps the vmcs12 pages if L2 is active, i.e. if a "full" VM-Exit is guaranteed before KVM will retry getting vmcs12 pages. Fixes: |