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Merge tag 'bcachefs-2025-06-26' of git://evilpiepirate.org/bcachefs
Pull bcachefs fixes from Kent Overstreet:
- Lots of small check/repair fixes, primarily in subvol loop and
directory structure loop (when involving snapshots).
- Fix a few 6.16 regressions: rare UAF in the foreground allocator path
when taking a transaction restart from the transaction bump
allocator, and some small fallout from the change to log the error
being corrected in the journal when repairing errors, also some
fallout from the btree node read error logging improvements.
(Alan, Bharadwaj)
- New option: journal_rewind
This lets the entire filesystem be reset to an earlier point in time.
Note that this is only a disaster recovery tool, and right now there
are major caveats to using it (discards should be disabled, in
particular), but it successfully restored the filesystem of one of
the users who was bit by the subvolume deletion bug and didn't have
backups. I'll likely be making some changes to the discard path in
the future to make this a reliable recovery tool.
- Some new btree iterator tracepoints, for tracking down some
livelock-ish behaviour we've been seeing in the main data write path.
* tag 'bcachefs-2025-06-26' of git://evilpiepirate.org/bcachefs: (51 commits)
bcachefs: Plumb correct ip to trans_relock_fail tracepoint
bcachefs: Ensure we rewind to run recovery passes
bcachefs: Ensure btree node scan runs before checking for scanned nodes
bcachefs: btree_root_unreadable_and_scan_found_nothing should not be autofix
bcachefs: fix bch2_journal_keys_peek_prev_min() underflow
bcachefs: Use wait_on_allocator() when allocating journal
bcachefs: Check for bad write buffer key when moving from journal
bcachefs: Don't unlock the trans if ret doesn't match BCH_ERR_operation_blocked
bcachefs: Fix range in bch2_lookup_indirect_extent() error path
bcachefs: fix spurious error_throw
bcachefs: Add missing bch2_err_class() to fileattr_set()
bcachefs: Add missing key type checks to check_snapshot_exists()
bcachefs: Don't log fsck err in the journal if doing repair elsewhere
bcachefs: Fix *__bch2_trans_subbuf_alloc() error path
bcachefs: Fix missing newlines before ero
bcachefs: fix spurious error in read_btree_roots()
bcachefs: fsck: Fix oops in key_visible_in_snapshot()
bcachefs: fsck: fix unhandled restart in topology repair
bcachefs: fsck: Fix check_directory_structure when no check_dirents
bcachefs: Fix restart handling in btree_node_scrub_work()
...
- Convert altr,uart-1.0 and altr,juart-1.0 to DT schema. These were
applied for nios2, but never sent upstream.
- Fix extra '/' in fsl,ls1028a-reset '$id' path
- Fix warnings in ti,sn65dsi83 schema due to unnecessary $ref.
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Merge tag 'devicetree-fixes-for-6.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Convert altr,uart-1.0 and altr,juart-1.0 to DT schema. These were
applied for nios2, but never sent upstream.
- Fix extra '/' in fsl,ls1028a-reset '$id' path
- Fix warnings in ti,sn65dsi83 schema due to unnecessary $ref.
* tag 'devicetree-fixes-for-6.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: serial: Convert altr,uart-1.0 to DT schema
dt-bindings: serial: Convert altr,juart-1.0 to DT schema
dt-bindings: soc: fsl,ls1028a-reset: Drop extra "/" in $id
dt-bindings: drm/bridge: ti-sn65dsi83: drop $ref to fix lvds-vod* warnings
'rx_ring->size' means the count of ring descriptors multiplied by the
size of one descriptor. When increasing the count of ring descriptors,
it may exceed the limit of pool size.
[ 864.209610] page_pool_create_percpu() gave up with errno -7
[ 864.209613] txgbe 0000:11:00.0: Page pool creation failed: -7
Fix to set the pool_size to the count of ring descriptors.
Fixes: 850b971110 ("net: libwx: Allocate Rx and Tx resources")
Cc: stable@vger.kernel.org
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Mina Almasry <almasrymina@google.com>
Link: https://patch.msgid.link/434C72BFB40E350A+20250625023924.21821-1-jiawenwu@trustnetic.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The length in the pseudo header should be the length of the L3 payload
AKA the L4 header+payload. The selftest code builds the packet from
the lower layers up, so all the headers are pushed already when it
constructs L4. We need to subtract the lower layer headers from skb->len.
Fixes: 3e1e58d64c ("net: add generic selftest support")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Gerhard Engleder <gerhard@engleder-embedded.com>
Reported-by: Oleksij Rempel <o.rempel@pengutronix.de>
Tested-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://patch.msgid.link/20250624183258.3377740-1-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Pull bpf fixes from Alexei Starovoitov:
- Fix use-after-free in libbpf when map is resized (Adin Scannell)
- Fix verifier assumptions about 2nd argument of bpf_sysctl_get_name
(Jerome Marchand)
- Fix verifier assumption of nullness of d_inode in dentry (Song Liu)
- Fix global starvation of LRU map (Willem de Bruijn)
- Fix potential NULL dereference in btf_dump__free (Yuan Chen)
* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
selftests/bpf: adapt one more case in test_lru_map to the new target_free
libbpf: Fix possible use-after-free for externs
selftests/bpf: Convert test_sysctl to prog_tests
bpf: Specify access type of bpf_sysctl_get_name args
libbpf: Fix null pointer dereference in btf_dump__free on allocation failure
bpf: Adjust free target to avoid global starvation of LRU map
bpf: Mark dentry->d_inode as trusted_or_null
Fix a 6.16 regression from the recovery pass rework, which introduced a
bug where calling bch2_run_explicit_recovery_pass() would only return
the error code to rewind recovery for the first call that scheduled that
recovery pass.
If the error code from the first call was swallowed (because it was
called by an asynchronous codepath), subsequent calls would go "ok, this
pass is already marked as needing to run" and return 0.
Fixing this ensures that check_topology bails out to run btree_node_scan
before doing any repair.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Previously, calling bch2_btree_has_scanned_nodes() when btree node
scan hadn't actually run would erroniously return false - causing us to
think a btree was entirely gone.
This fixes a 6.16 regression from moving the scheduling of btree node
scan out of bch2_btree_lost_data() (fixing the bug where we'd schedule
it persistently in the superblock) and only scheduling it when
check_toploogy() is asking for scanned btree nodes.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull mount fixes from Al Viro:
"Several mount-related fixes"
* tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
userns and mnt_idmap leak in open_tree_attr(2)
attach_recursive_mnt(): do not lock the covering tree when sliding something under it
replace collect_mounts()/drop_collected_mounts() with a safer variant
Jakub Kicinski says:
====================
netlink: specs: enforce strict naming of properties
I got annoyed once again by the name properties in the ethtool spec
which use underscore instead of dash. I previously assumed that there
is a lot of such properties in the specs so fixing them now would
be near impossible. On a closer look, however, I only found 22
(rough grep suggests we have ~4.8k names in the specs, so bad ones
are just 0.46%).
Add a regex to the JSON schema to enforce the naming, fix the few
bad names. I was hoping we could start enforcing this from newer
families, but there's no correlation between the protocol and the
number of errors. If anything classic netlink has more recently
added specs so it has fewer errors.
The regex is just for name properties which will end up visible
to the user (in Python or YNL CLI). I left the c-name properties
alone, those don't matter as much. C codegen rewrites them, anyway.
I'm not updating the spec for genetlink-c. Looks like it has no
users, new families use genetlink, all old ones need genetlink-legacy.
If these patches are merged I will remove genetlink-c completely
in net-next.
====================
Link: https://patch.msgid.link/20250624211002.3475021-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a regexp to make sure all names which may end up being visible
to the user consist of lower case characters, numbers and dashes.
Underscores keep sneaking into the specs, which is not visible
in the C code but makes the Python and alike inconsistent.
Note that starting with a number is okay, as in C the full
name will include the family name.
For legacy families we can't enforce the naming in the family
name or the multicast group names, as these are part of the
binary uAPI of the kernel.
For classic netlink we need to allow capital letters in names
of struct members. TC has some structs with capitalized members.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250624211002.3475021-11-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We're trying to add a strict regexp for the name format in the spec.
Underscores will not be allowed, dashes should be used instead.
This makes no difference to C (codegen, if used, replaces special
chars in names) but it gives more uniform naming in Python.
Fixes: a1bcfde836 ("doc/netlink/specs: Add a spec for tc")
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250624211002.3475021-10-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We're trying to add a strict regexp for the name format in the spec.
Underscores will not be allowed, dashes should be used instead.
This makes no difference to C (codegen, if used, replaces special
chars in names) but it gives more uniform naming in Python.
Fixes: b2f63d904e ("doc/netlink: Add spec for rt link messages")
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250624211002.3475021-9-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We're trying to add a strict regexp for the name format in the spec.
Underscores will not be allowed, dashes should be used instead.
This makes no difference to C (codegen, if used, replaces special
chars in names) but it gives more uniform naming in Python.
Fixes: bc8aeb2045 ("Documentation: netlink: add a YAML spec for mptcp")
Reviewed-by: Davide Caratti <dcaratti@redhat.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250624211002.3475021-8-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We're trying to add a strict regexp for the name format in the spec.
Underscores will not be allowed, dashes should be used instead.
This makes no difference to C (codegen, if used, replaces special
chars in names) but it gives more uniform naming in Python.
Fixes: 93b230b549 ("netlink: specs: add ynl spec for ovs_flow")
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Ilya Maximets <i.maximets@ovn.org>
Reviewed-by: Eelco Chaudron <echaudro@redhat.com>
Link: https://patch.msgid.link/20250624211002.3475021-7-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We're trying to add a strict regexp for the name format in the spec.
Underscores will not be allowed, dashes should be used instead.
This makes no difference to C (codegen, if used, replaces special
chars in names) but it gives more uniform naming in Python.
Fixes: 429ac62114 ("devlink: define enum for attr types of dynamic attributes")
Fixes: f2f9dd164d ("netlink: specs: devlink: add the remaining command to generate complete split_ops")
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250624211002.3475021-6-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We're trying to add a strict regexp for the name format in the spec.
Underscores will not be allowed, dashes should be used instead.
This makes no difference to C (codegen, if used, replaces special
chars in names) but it gives more uniform naming in Python.
Fixes: 3badff3a25 ("dpll: spec: Add Netlink spec in YAML")
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250624211002.3475021-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We're trying to add a strict regexp for the name format in the spec.
Underscores will not be allowed, dashes should be used instead.
This makes no difference to C (codegen replaces special chars in names)
but gives more uniform naming in Python.
Fixes: 13e59344fb ("net: ethtool: add support for symmetric-xor RSS hash")
Fixes: 46fb3ba95b ("ethtool: Add an interface for flashing transceiver modules' firmware")
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250624211002.3475021-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We're trying to add a strict regexp for the name format in the spec.
Underscores will not be allowed, dashes should be used instead.
This makes no difference to C (codegen, if used, replaces special
chars in names) but it gives more uniform naming in Python.
Fixes: 4eb77b4ecd ("netlink: add a proto specification for FOU")
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250624211002.3475021-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We're trying to add a strict regexp for the name format in the spec.
Underscores will not be allowed, dashes should be used instead.
This makes no difference to C (codegen, if used, replaces special
chars in names) but it gives more uniform naming in Python.
Fixes: 13727f85b4 ("NFSD: introduce netlink stubs")
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Link: https://patch.msgid.link/20250624211002.3475021-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
enetc_hw.h provides two versions of _enetc_rd_reg64.
One which simply calls ioread64() when available.
And another that composes the 64-bit result from ioread32() calls.
In the second case the code appears to assume that each ioread32() call
returns a little-endian value. However both the shift and logical or
used to compose the return value would not work correctly on big endian
systems if this were the case. Moreover, this is inconsistent with the
first case where the return value of ioread64() is assumed to be in host
byte order.
It appears that the correct approach is for both versions to treat the
return value of ioread*() functions as being in host byte order. And
this patch corrects the ioread32()-based version to do so.
This is a bug but would only manifest on big endian systems
that make use of the ioread32-based implementation of _enetc_rd_reg64.
While all in-tree users of this driver are little endian and
make use of the ioread64-based implementation of _enetc_rd_reg64.
Thus, no in-tree user of this driver is affected by this bug.
Flagged by Sparse.
Compile tested only.
Fixes: 16eb4c85c9 ("enetc: Add ethtool statistics")
Closes: https://lore.kernel.org/all/AM9PR04MB850500D3FC24FE23DEFCEA158879A@AM9PR04MB8505.eurprd04.prod.outlook.com/
Signed-off-by: Simon Horman <horms@kernel.org>
Reviewed-by: Wei Fang <wei.fang@nxp.com>
Link: https://patch.msgid.link/20250624-etnetc-le-v1-1-a73a95d96e4e@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The DMA map functions can fail and should be tested for errors.
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250624064148.12815-3-fourier.thomas@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The below commit that updated BPF_MAP_TYPE_LRU_HASH free target,
also updated tools/testing/selftests/bpf/test_lru_map to match.
But that missed one case that passes with 4 cores, but fails at
higher cpu counts.
Update test_lru_sanity3 to also adjust its expectation of target_free.
This time tested with 1, 4, 16, 64 and 384 cpu count.
Fixes: d4adf1c9ee ("bpf: Adjust free target to avoid global starvation of LRU map")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20250625210412.2732970-1-willemdebruijn.kernel@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
The `name` field in `obj->externs` points into the BTF data at initial
open time. However, some functions may invalidate this after opening and
before loading (e.g. `bpf_map__set_value_size`), which results in
pointers into freed memory and undefined behavior.
The simplest solution is to simply `strdup` these strings, similar to
the `essent_name`, and free them at the same time.
In order to test this path, the `global_map_resize` BPF selftest is
modified slightly to ensure the presence of an extern, which causes this
test to fail prior to the fix. Given there isn't an obvious API or error
to test against, I opted to add this to the existing test as an aspect
of the resizing feature rather than duplicate the test.
Fixes: 9d0a23313b ("libbpf: Add capability for resizing datasec maps")
Signed-off-by: Adin Scannell <amscanne@meta.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250625050215.2777374-1-amscanne@meta.com
One fix here, for a runtime PM underflow when removing the Cadence
QuadSPI driver.
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Merge tag 'spi-fix-v6.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fix from Mark Brown:
"One fix for a runtime PM underflow when removing the Cadence QuadSPI
driver"
* tag 'spi-fix-v6.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spi-cadence-quadspi: Fix pm runtime unbalance
ixes all in drivers. ufs and megaraid_sas are small and obvious. The
large diffstat in fnic comes from two pieces: 1 the addition of quite
a bit of logging (no change to function) and the reworking of the
timeout allocation path for the two conditions that can occur
simultaneously to prevent reusing the same abort frame and then both
trying to free it.
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Fixes all in drivers.
ufs and megaraid_sas are small and obvious.
The large diffstat in fnic comes from two pieces: the addition of
quite a bit of logging (no change to function) and the reworking of
the timeout allocation path for the two conditions that can occur
simultaneously to prevent reusing the same abort frame and then both
trying to free it"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: fnic: Fix missing DMA mapping error in fnic_send_frame()
scsi: fnic: Set appropriate logging level for log message
scsi: fnic: Add and improve logs in FDMI and FDMI ABTS paths
scsi: fnic: Turn off FDMI ACTIVE flags on link down
scsi: fnic: Fix crash in fnic_wq_cmpl_handler when FDMI times out
scsi: ufs: core: Fix clk scaling to be conditional in reset and restore
scsi: megaraid_sas: Fix invalid node index
- iwlegacy: work around large stack with clang/kasan
- mac80211: fix integer overflow
- mac80211: fix link struct init vs. RCU publish
- iwlwifi: fix warning on IFF_UP
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Merge tag 'wireless-2025-06-25' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Johannes Berg says:
====================
Just a few fixes:
- iwlegacy: work around large stack with clang/kasan
- mac80211: fix integer overflow
- mac80211: fix link struct init vs. RCU publish
- iwlwifi: fix warning on IFF_UP
* tag 'wireless-2025-06-25' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: mac80211: finish link init before RCU publish
wifi: iwlwifi: mvm: assume '1' as the default mac_config_cmd version
wifi: mac80211: fix beacon interval calculation overflow
wifi: iwlegacy: work around excessive stack usage on clang/kasan
====================
Link: https://patch.msgid.link/20250625115433.41381-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When compiling with clang (19.1.7), initializing *vp using a compound
literal may result in excessive stack usage. Fix it by initializing the
required fields of *vp individually.
Without this patch:
$ objdump -d arch/um/drivers/vector_kern.o | ./scripts/checkstack.pl x86_64 0
...
0x0000000000000540 vector_eth_configure [vector_kern.o]:1472
...
With this patch:
$ objdump -d arch/um/drivers/vector_kern.o | ./scripts/checkstack.pl x86_64 0
...
0x0000000000000540 vector_eth_configure [vector_kern.o]:208
...
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202506221017.WtB7Usua-lkp@intel.com/
Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Link: https://patch.msgid.link/20250623110829.314864-1-tiwei.btw@antgroup.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Read from the buffer pointed to by 'from' instead of '&buf', as
'buf' contains no valid data when 'ubuf' is NULL.
Fixes: b1e1bd2e69 ("um: Add helper functions to get/set state for SECCOMP")
Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Link: https://patch.msgid.link/20250606124428.148164-5-tiwei.btw@antgroup.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The subsequent call to os_set_fd_block() overwrites the previous
return value. OR the two return values together to fix it.
Fixes: f88f0bdfc3 ("um: UBD Improvements")
Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Link: https://patch.msgid.link/20250606124428.148164-2-tiwei.btw@antgroup.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Merge tag 'selinux-pr-20250624' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux fix from Paul Moore:
"Another small SELinux patch to fix a problem seen by the dracut-ng
folks during early boot when SELinux is enabled, but the policy has
yet to be loaded"
* tag 'selinux-pr-20250624' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: change security_compute_sid to return the ssid or tsid on match
If a userspace application just include <linux/vm_sockets.h> will fail
to build with the following errors:
/usr/include/linux/vm_sockets.h:182:39: error: invalid application of ‘sizeof’ to incomplete type ‘struct sockaddr’
182 | unsigned char svm_zero[sizeof(struct sockaddr) -
| ^~~~~~
/usr/include/linux/vm_sockets.h:183:39: error: ‘sa_family_t’ undeclared here (not in a function)
183 | sizeof(sa_family_t) -
|
Include <sys/socket.h> for userspace (guarded by ifndef __KERNEL__)
where `struct sockaddr` and `sa_family_t` are defined.
We already do something similar in <linux/mptcp.h> and <linux/if.h>.
Fixes: d021c34405 ("VSOCK: Introduce VM Sockets")
Reported-by: Daan De Meyer <daan.j.demeyer@gmail.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://patch.msgid.link/20250623100053.40979-1-sgarzare@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Having PM put sync in remove function is causing PM underflow during
remove operation. This is caused by the function, runtime_pm_get_sync,
not being called anywhere during the op. Ensure that calls to
pm_runtime_enable()/pm_runtime_disable() and
pm_runtime_get_sync()/pm_runtime_put_sync() match.
echo 108d2000.spi > /sys/bus/platform/drivers/cadence-qspi/unbind
[ 49.644256] Deleting MTD partitions on "108d2000.spi.0":
[ 49.649575] Deleting u-boot MTD partition
[ 49.684087] Deleting root MTD partition
[ 49.724188] cadence-qspi 108d2000.spi: Runtime PM usage count underflow!
Continuous bind/unbind will result in an "Unbalanced pm_runtime_enable" error.
Subsequent unbind attempts will return a "No such device" error, while bind
attempts will return a "Resource temporarily unavailable" error.
[ 47.592434] cadence-qspi 108d2000.spi: Runtime PM usage count underflow!
[ 49.592233] cadence-qspi 108d2000.spi: detected FIFO depth (1024) different from config (128)
[ 53.232309] cadence-qspi 108d2000.spi: Runtime PM usage count underflow!
[ 55.828550] cadence-qspi 108d2000.spi: detected FIFO depth (1024) different from config (128)
[ 57.940627] cadence-qspi 108d2000.spi: Runtime PM usage count underflow!
[ 59.912490] cadence-qspi 108d2000.spi: detected FIFO depth (1024) different from config (128)
[ 61.876243] cadence-qspi 108d2000.spi: Runtime PM usage count underflow!
[ 61.883000] platform 108d2000.spi: Unbalanced pm_runtime_enable!
[ 532.012270] cadence-qspi 108d2000.spi: probe with driver cadence-qspi failed1
Also, change clk_disable_unprepare() to clk_disable() since continuous
bind and unbind operations will trigger a warning indicating that the clock is
already unprepared.
Fixes: 4892b374c9 ("mtd: spi-nor: cadence-quadspi: Add runtime PM support")
cc: stable@vger.kernel.org # 6.6+
Signed-off-by: Khairul Anuar Romli <khairul.anuar.romli@altera.com>
Reviewed-by: Matthew Gerlach <matthew.gerlach@altera.com>
Link: https://patch.msgid.link/4e7a4b8aba300e629b45a04f90bddf665fbdb335.1749601877.git.khairul.anuar.romli@altera.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Once want_mount_setattr() has returned a positive, it does require
finish_mount_kattr() to release ->mnt_userns. Failing do_mount_setattr()
does not change that.
As the result, we can end up leaking userns and possibly mnt_idmap as
well.
Fixes: c4a16820d9 ("fs: add open_tree_attr()")
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Unfortunately, FWs of some devices don't have the version of the
iwl_mac_config_cmd defined in the TLVs. We send 0 as the 'def argument
to iwl_fw_lookup_cmd_ver, so for such FWs, the return value will be 0,
leading to a warning, and to not sending the command.
Fix this by assuming that the default version is 1.
Fixes: 83f3ac2848 ("wifi: iwlwifi: Fix incorrect logic on cmd_ver range checking")
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250624071427.2662621-1-miriam.rachel.korenblit@intel.com
Kuniyuki Iwashima says:
====================
af_unix: Fix two OOB issues.
From: Kuniyuki Iwashima <kuniyu@google.com>
Recently, two issues are reported regarding MSG_OOB.
Patch 1 fixes issues that happen when multiple consumed OOB
skbs are placed consecutively in the recv queue.
Patch 2 fixes an inconsistent behaviour that close()ing a socket
with a consumed OOB skb at the head of the recv queue triggers
-ECONNRESET on the peer's recv().
v1: https://lore.kernel.org/netdev/20250618043453.281247-1-kuni1840@gmail.com/
====================
Link: https://patch.msgid.link/20250619041457.1132791-1-kuni1840@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
