Several miscellaneous fixes:
- Many bnxt_re bug fixes - Memory leaks, kasn, NULL pointer deref, soft
lockups, error unwinding and some small functional issues
- Error unwind bug in rdma netlink
- Two issues with incorrect VLAN detection for iWarp
- skb_splice_from_iter() splat in siw
- Give SRP slab caches unique names to resolve the merge window WARN_ON
regression
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"Several miscellaneous fixes. A lot of bnxt_re activity, there will be
more rc patches there coming.
- Many bnxt_re bug fixes - Memory leaks, kasn, NULL pointer deref,
soft lockups, error unwinding and some small functional issues
- Error unwind bug in rdma netlink
- Two issues with incorrect VLAN detection for iWarp
- skb_splice_from_iter() splat in siw
- Give SRP slab caches unique names to resolve the merge window
WARN_ON regression"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/bnxt_re: Fix the GID table length
RDMA/bnxt_re: Fix a bug while setting up Level-2 PBL pages
RDMA/bnxt_re: Change the sequence of updating the CQ toggle value
RDMA/bnxt_re: Fix an error path in bnxt_re_add_device
RDMA/bnxt_re: Avoid CPU lockups due fifo occupancy check loop
RDMA/bnxt_re: Fix a possible NULL pointer dereference
RDMA/bnxt_re: Return more meaningful error
RDMA/bnxt_re: Fix incorrect dereference of srq in async event
RDMA/bnxt_re: Fix out of bound check
RDMA/bnxt_re: Fix the max CQ WQEs for older adapters
RDMA/srpt: Make slab cache names unique
RDMA/irdma: Fix misspelling of "accept*"
RDMA/cxgb4: Fix RDMA_CM_EVENT_UNREACHABLE error for iWARP
RDMA/siw: Add sendpage_ok() check to disable MSG_SPLICE_PAGES
RDMA/core: Fix ENODEV error for iWARP test over vlan
RDMA/nldev: Fix NULL pointer dereferences issue in rdma_nl_notify_event
RDMA/bnxt_re: Fix the max WQEs used in Static WQE mode
RDMA/bnxt_re: Add a check for memory allocation
RDMA/bnxt_re: Fix incorrect AVID type in WQE structure
RDMA/bnxt_re: Fix a possible memory leak
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Merge tag 'for-6.12-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- regression fix: dirty extents tracked in xarray for qgroups must be
adjusted for 32bit platforms
- fix potentially freeing uninitialized name in fscrypt structure
- fix warning about unneeded variable in a send callback
* tag 'for-6.12-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix uninitialized pointer free on read_alloc_one_name() error
btrfs: send: cleanup unneeded return variable in changed_verity()
btrfs: fix uninitialized pointer free in add_inode_ref()
btrfs: use sector numbers as keys for the dirty extents xarray
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Merge tag 'v6.12-rc3-ksmbd-fixes' of git://git.samba.org/ksmbd
Pull smb server fixes from Steve French:
- fix race between session setup and session logoff
- add supplementary group support
* tag 'v6.12-rc3-ksmbd-fixes' of git://git.samba.org/ksmbd:
ksmbd: add support for supplementary groups
ksmbd: fix user-after-free from session log off
- More issues reported in the enable/disable paths on large machines with
many tasks due to scx_tasks_lock being held too long. Break up the task
iterations.
- Remove ops.select_cpu() dependency in bypass mode so that a misbehaving
implementation can't live-lock the machine by pushing all tasks to few
CPUs in bypass mode.
- Other misc fixes.
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Merge tag 'sched_ext-for-6.12-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext
Pull sched_ext fixes from Tejun Heo:
- More issues reported in the enable/disable paths on large machines
with many tasks due to scx_tasks_lock being held too long. Break up
the task iterations
- Remove ops.select_cpu() dependency in bypass mode so that a
misbehaving implementation can't live-lock the machine by pushing all
tasks to few CPUs in bypass mode
- Other misc fixes
* tag 'sched_ext-for-6.12-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext:
sched_ext: Remove unnecessary cpu_relax()
sched_ext: Don't hold scx_tasks_lock for too long
sched_ext: Move scx_tasks_lock handling into scx_task_iter helpers
sched_ext: bypass mode shouldn't depend on ops.select_cpu()
sched_ext: Move scx_buildin_idle_enabled check to scx_bpf_select_cpu_dfl()
sched_ext: Start schedulers with consistent p->scx.slice values
Revert "sched_ext: Use shorter slice while bypassing"
sched_ext: use correct function name in pick_task_scx() warning message
selftests: sched_ext: Add sched_ext as proper selftest target
- Fix ref counter of buffers assigned at boot up
A tracing instance can be created from the kernel command line.
If it maps to memory, it is considered permanent and should not
be deleted, or bad things can happen. If it is not mapped to memory,
then the user is fine to delete it via rmdir from the instances
directory. But the ref counts assumed 0 was free to remove and
greater than zero was not. But this was not the case. When an
instance is created, it should have the reference of 1, and if
it should not be removed, it must be greater than 1. The boot up
code set normal instances with a ref count of 0, which could get
removed if something accessed it and then released it. And memory
mapped instances had a ref count of 1 which meant it could be deleted,
and bad things happen. Keep normal instances ref count as 1, and
set memory mapped instances ref count to 2.
- Protect sub buffer size (order) updates from other modifications
When a ring buffer is changing the size of its sub-buffers, no other
operations should be performed on the ring buffer. That includes
reading it. But the locking only grabbed the buffer->mutex that
keeps some operations from touching the ring buffer. It also must
hold the cpu_buffer->reader_lock as well when updates happen as
other paths use that to do some operations on the ring buffer.
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Merge tag 'trace-ringbuffer-v6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull ring-buffer fixes from Steven Rostedt:
- Fix ref counter of buffers assigned at boot up
A tracing instance can be created from the kernel command line. If it
maps to memory, it is considered permanent and should not be deleted,
or bad things can happen. If it is not mapped to memory, then the
user is fine to delete it via rmdir from the instances directory. But
the ref counts assumed 0 was free to remove and greater than zero was
not. But this was not the case. When an instance is created, it
should have the reference of 1, and if it should not be removed, it
must be greater than 1. The boot up code set normal instances with a
ref count of 0, which could get removed if something accessed it and
then released it. And memory mapped instances had a ref count of 1
which meant it could be deleted, and bad things happen. Keep normal
instances ref count as 1, and set memory mapped instances ref count
to 2.
- Protect sub buffer size (order) updates from other modifications
When a ring buffer is changing the size of its sub-buffers, no other
operations should be performed on the ring buffer. That includes
reading it. But the locking only grabbed the buffer->mutex that keeps
some operations from touching the ring buffer. It also must hold the
cpu_buffer->reader_lock as well when updates happen as other paths
use that to do some operations on the ring buffer.
* tag 'trace-ringbuffer-v6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
ring-buffer: Fix reader locking when changing the sub buffer order
ring-buffer: Fix refcount setting of boot mapped buffers
- New metadata version inode_has_child_snapshots
This fixes bugs with handling of unlinked inodes + snapshots, in
particular when an inode is reattached after taking a snapshot;
deleted inodes now get correctly cleaned up across snapshots.
- Disk accounting rewrite fixes
- validation fixes for when a device has been removed
- fix journal replay failing with "journal_reclaim_would_deadlock"
- Some more small fixes for erasure coding + device removal
- Assorted small syzbot fixes
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Merge tag 'bcachefs-2024-10-14' of git://evilpiepirate.org/bcachefs
Pull bcachefs fixes from Kent Overstreet:
- New metadata version inode_has_child_snapshots
This fixes bugs with handling of unlinked inodes + snapshots, in
particular when an inode is reattached after taking a snapshot;
deleted inodes now get correctly cleaned up across snapshots.
- Disk accounting rewrite fixes
- validation fixes for when a device has been removed
- fix journal replay failing with "journal_reclaim_would_deadlock"
- Some more small fixes for erasure coding + device removal
- Assorted small syzbot fixes
* tag 'bcachefs-2024-10-14' of git://evilpiepirate.org/bcachefs: (27 commits)
bcachefs: Fix sysfs warning in fstests generic/730,731
bcachefs: Handle race between stripe reuse, invalidate_stripe_to_dev
bcachefs: Fix kasan splat in new_stripe_alloc_buckets()
bcachefs: Add missing validation for bch_stripe.csum_granularity_bits
bcachefs: Fix missing bounds checks in bch2_alloc_read()
bcachefs: fix uaf in bch2_dio_write_done()
bcachefs: Improve check_snapshot_exists()
bcachefs: Fix bkey_nocow_lock()
bcachefs: Fix accounting replay flags
bcachefs: Fix invalid shift in member_to_text()
bcachefs: Fix bch2_have_enough_devs() for BCH_SB_MEMBER_INVALID
bcachefs: __wait_for_freeing_inode: Switch to wait_bit_queue_entry
bcachefs: Check if stuck in journal_res_get()
closures: Add closure_wait_event_timeout()
bcachefs: Fix state lock involved deadlock
bcachefs: Fix NULL pointer dereference in bch2_opt_to_text
bcachefs: Release transaction before wake up
bcachefs: add check for btree id against max in try read node
bcachefs: Disk accounting device validation fixes
bcachefs: bch2_inode_or_descendents_is_open()
...
As described in commit b07996c7ab ("sched_ext: Don't hold
scx_tasks_lock for too long"), we're doing a cond_resched() every 32
calls to scx_task_iter_next() to avoid RCU and other stalls. That commit
also added a cpu_relax() to the codepath where we drop and reacquire the
lock, but as Waiman described in [0], cpu_relax() should only be
necessary in busy loops to avoid pounding on a cacheline (or to allow a
hypertwin to more fully utilize a core).
Let's remove the unnecessary cpu_relax().
[0]: https://lore.kernel.org/all/35b3889b-904a-4d26-981f-c8aa1557a7c7@redhat.com/
Cc: Waiman Long <llong@redhat.com>
Signed-off-by: David Vernet <void@manifault.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
A ring buffer which has its buffered mapped at boot up to fixed memory
should not be freed. Other buffers can be. The ref counting setup was
wrong for both. It made the not mapped buffers ref count have zero, and the
boot mapped buffer a ref count of 1. But an normally allocated buffer
should be 1, where it can be removed.
Keep the ref count of a normal boot buffer with its setup ref count (do
not decrement it), and increment the fixed memory boot mapped buffer's ref
count.
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://lore.kernel.org/20241011165224.33dd2624@gandalf.local.home
Fixes: e645535a95 ("tracing: Add option to use memmapped memory for trace boot instance")
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
This includes an urgent fix to resolve DIO read performance regression caused by
0cac51185e ("f2fs: fix to avoid racing in between read and OPU dio write").
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Merge tag 'f2fs-6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs fix from Jaegeuk Kim:
"An urgent fix to resolve DIO read performance regression caused by
'f2fs: fix to avoid racing in between read and OPU dio write'"
* tag 'f2fs-6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs:
f2fs: allow parallel DIO reads
- Make sure only regular inodes can be used for file-backed mounts;
- Two minor codebase cleanups.
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Merge tag 'erofs-for-6.12-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs fixes from Gao Xiang:
"The main one fixes a syzbot issue due to the invalid inode type out of
file-backed mounts. The others are minor cleanups without actual logic
changes.
Summary:
- Make sure only regular inodes can be used for file-backed mounts
- Two minor codebase cleanups"
* tag 'erofs-for-6.12-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: get rid of kaddr in `struct z_erofs_maprecorder`
erofs: get rid of z_erofs_try_to_claim_pcluster()
erofs: ensure regular inodes for file-backed mounts
sysfs warns if we're removing a symlink from a directory that's no
longer in sysfs; this is triggered by fstests generic/730, which
simulates hot removal of a block device.
This patch is however not a correct fix, since checking
kobj->state_in_sysfs on a kobj owned by another subsystem is racy.
A better fix would be to add the appropriate check to
sysfs_remove_link() - and sysfs_create_link() as well.
But kobject_add_internal()/kobject_del() do not as of today have locking
that would support that.
Note that the block/holder.c code appears to be subject to this race as
well.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
When creating a new stripe, we may reuse an existing stripe that has
some empty and some nonempty blocks.
Generally, the existing stripe won't change underneath us - except for
block sector counts, which we copy to the new key in
ec_stripe_key_update.
But the device removal path can now invalidate stripe pointers to a
device, and that can race with stripe reuse.
Change ec_stripe_key_update() to check for and resolve this
inconsistency.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Merge tag 'hid-for-linus-2024101301' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Jiri Kosina:
- fix for memory corruption regression in amd_sfh driver (Basavaraj
Natikar)
- fix for mis-reporting of BTN_TOOL_PEN and BTN_TOOL_RUBBER for AES
sensors tools in Wacom driver (Jason Gerecke)
- fix for unitialized variable use in intel-ish-hid driver
(SurajSonawane2415)
- a few device-specific quirks / device ID additions
* tag 'hid-for-linus-2024101301' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: wacom: Hardcode (non-inverted) AES pens as BTN_TOOL_PEN
HID: amd_sfh: Switch to device-managed dmam_alloc_coherent()
HID: multitouch: Add quirk for HONOR MagicBook Art 14 touchpad
HID: multitouch: Add support for B2402FVA track point
HID: plantronics: Workaround for an unexcepted opposite volume key
hid: intel-ish-hid: Fix uninitialized variable 'rv' in ish_fw_xfer_direct_dma
We were checking that the alloc key was for a valid device, but not a
valid bucket.
This is the upgrade path from versions prior to bcachefs being mainlined.
Reported-by: syzbot+a1b59c8e1a3f022fd301@syzkaller.appspotmail.com
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Merge tag '6.12-rc2-cifs-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
"Two fixes for Windows symlink handling"
* tag '6.12-rc2-cifs-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Fix creating native symlinks pointing to current or parent directory
cifs: Improve creating native symlinks pointing to directory
Here are some small USB fixes for some reported problems for 6.12-rc3.
Include in here is:
- fix for yurex driver that was caused in -rc1
- build error fix for usbg network filesystem code
- onboard_usb_dev build fix
- dwc3 driver fixes for reported errors
- gadget driver fix
- new USB storage driver quirk
- xhci resume bugfix
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for some reported problems for 6.12-rc3.
Include in here is:
- fix for yurex driver that was caused in -rc1
- build error fix for usbg network filesystem code
- onboard_usb_dev build fix
- dwc3 driver fixes for reported errors
- gadget driver fix
- new USB storage driver quirk
- xhci resume bugfix
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
net/9p/usbg: Fix build error
USB: yurex: kill needless initialization in yurex_read
Revert "usb: yurex: Replace snprintf() with the safer scnprintf() variant"
usb: xhci: Fix problem with xhci resume from suspend
usb: misc: onboard_usb_dev: introduce new config symbol for usb5744 SMBus support
usb: dwc3: core: Stop processing of pending events if controller is halted
usb: dwc3: re-enable runtime PM after failed resume
usb: storage: ignore bogus device raised by JieLi BR21 USB sound chip
usb: gadget: core: force synchronous registration
Here is a single driver core fix, and a .mailmap update, for 6.12-rc3.
The fix is for the rust driver core bindings, turned out that the
from_raw binding wasn't a good idea (don't want to pass a pointer to a
reference counted object without actually incrementing the pointer.) So
this change fixes it up as the from_raw binding came in in -rc1.
The other change is a .mailmap update.
Both have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here is a single driver core fix, and a .mailmap update.
The fix is for the rust driver core bindings, turned out that the
from_raw binding wasn't a good idea (don't want to pass a pointer to a
reference counted object without actually incrementing the pointer.)
So this change fixes it up as the from_raw binding came in in -rc1.
The other change is a .mailmap update.
Both have been in linux-next for a while with no reported issues"
* tag 'driver-core-6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
mailmap: update mail for Fiona Behrens
rust: device: change the from_raw() function
- Fix crash in memcpy on 8xx due to dcbz workaround since recent changes.
Thanks to: Christophe Leroy.
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Merge tag 'powerpc-6.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Michael Ellerman:
- Fix crash in memcpy on 8xx due to dcbz workaround since recent
changes
Thanks to Christophe Leroy.
* tag 'powerpc-6.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/8xx: Fix kernel DTLB miss on dcbz
four small fixes, three in drivers and one in the FC transport class
to add idempotence to state setting.
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:
"Four small fixes, three in drivers and one in the FC transport class
to add idempotence to state setting"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: scsi_transport_fc: Allow setting rport state to current state
scsi: wd33c93: Don't use stale scsi_pointer value
scsi: fnic: Move flush_work initialization out of if block
scsi: ufs: Use pre-calculated offsets in ufshcd_init_lrb()
- Add missing dependencies on REGMAP_I2C for several drivers
- Fix memory leak in adt7475 driver
- Relabel Columbiaville temperature sensor in intel-m10-bmc-hwmon driver
to match other sensor labels
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Merge tag 'hwmon-for-v6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- Add missing dependencies on REGMAP_I2C for several drivers
- Fix memory leak in adt7475 driver
- Relabel Columbiaville temperature sensor in intel-m10-bmc-hwmon
driver to match other sensor labels
* tag 'hwmon-for-v6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (max1668) Add missing dependency on REGMAP_I2C
hwmon: (ltc2991) Add missing dependency on REGMAP_I2C
hwmon: (adt7470) Add missing dependency on REGMAP_I2C
hwmon: (adm9240) Add missing dependency on REGMAP_I2C
hwmon: (mc34vr500) Add missing dependency on REGMAP_I2C
hwmon: (tmp513) Add missing dependency on REGMAP_I2C
hwmon: (adt7475) Fix memory leak in adt7475_fan_pwm_config()
hwmon: intel-m10-bmc-hwmon: relabel Columbiaville to CVL Die Temperature
Check if we have snapshot_trees or subvolumes that refer to the snapshot
node being reconstructed, and use them.
With this, the kill_btree_root test that blows away the snapshots btree
now passes, and we're able to successfully reconstruct.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
BCH_TRANS_COMMIT_journal_reclaim without BCH_WATERMARK_reclaim means
"return an error if low on journal space" - but accounting replay must
succeed.
Fixes https://github.com/koverstreet/bcachefs/issues/656
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
GID table length is reported by FW. The gid index which is passed to the
driver during modify_qp/create_ah is restricted by the sgid_index field of
struct ib_global_route. sgid_index is u8 and the max sgid possible is
256.
Each GID entry in HW will have 2 GID entries in the kernel gid table. So
we can support twice the gid table size reported by FW. Also, restrict the
max GID to 256 also.
Fixes: 847b97887e ("RDMA/bnxt_re: Restrict the max_gids to 256")
Link: https://patch.msgid.link/r/1728373302-19530-11-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Avoid memory corruption while setting up Level-2 PBL pages for the non MR
resources when num_pages > 256K.
There will be a single PDE page address (contiguous pages in the case of >
PAGE_SIZE), but, current logic assumes multiple pages, leading to invalid
memory access after 256K PBL entries in the PDE.
Fixes: 0c4dcd6028 ("RDMA/bnxt_re: Refactor hardware queue memory allocation")
Link: https://patch.msgid.link/r/1728373302-19530-10-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Bhargava Chenna Marreddy <bhargava.marreddy@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Currently the CQ toggle value in the shared page (read by the userlib) is
updated as part of the cqn_handler. There is a potential race of
application calling the CQ ARM doorbell immediately and using the old
toggle value.
Change the sequence of updating CQ toggle value to update in the
bnxt_qplib_service_nq function immediately after reading the toggle value
to be in sync with the HW updated value.
Fixes: e275919d96 ("RDMA/bnxt_re: Share a page to expose per CQ info with userspace")
Link: https://patch.msgid.link/r/1728373302-19530-9-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Chandramohan Akula <chandramohan.akula@broadcom.com>
Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
In bnxt_re_add_device(), when register netdev notifier fails, driver is
not unregistering the IB device in the error cleanup path. Also, removed
the duplicate cleanup in error path of bnxt_re_probe.
Fixes: 94a9dc6ac8 ("RDMA/bnxt_re: Group all operations under add_device and remove_device")
Link: https://patch.msgid.link/r/1728373302-19530-8-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Driver waits indefinitely for the fifo occupancy to go below a threshold
as soon as the pacing interrupt is received. This can cause soft lockup on
one of the processors, if the rate of DB is very high.
Add a loop count for FPGA and exit the __wait_for_fifo_occupancy_below_th
if the loop is taking more time. Pacing will be continuing until the
occupancy is below the threshold. This is ensured by the checks in
bnxt_re_pacing_timer_exp and further scheduling the work for pacing based
on the fifo occupancy.
Fixes: 2ad4e6303a ("RDMA/bnxt_re: Implement doorbell pacing algorithm")
Link: https://patch.msgid.link/r/1728373302-19530-7-git-send-email-selvin.xavier@broadcom.com
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Chandramohan Akula <chandramohan.akula@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
When the HWRM command fails, driver currently returns -EFAULT(Bad
address). This does not look correct.
Modified to return -EIO(I/O error).
Fixes: cc1ec769b8 ("RDMA/bnxt_re: Fixing the Control path command and response handling")
Fixes: 65288a22dd ("RDMA/bnxt_re: use shadow qd while posting non blocking rcfw command")
Link: https://patch.msgid.link/r/1728373302-19530-5-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Currently driver is not getting correct srq. Dereference only if qplib has
a valid srq.
Fixes: b02fd3f79e ("RDMA/bnxt_re: Report async events and errors")
Link: https://patch.msgid.link/r/1728373302-19530-4-git-send-email-selvin.xavier@broadcom.com
Reviewed-by: Saravanan Vajravel <saravanan.vajravel@broadcom.com>
Reviewed-by: Chandramohan Akula <chandramohan.akula@broadcom.com>
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Driver exports pacing stats only on GenP5 and P7 adapters. But while
parsing the pacing stats, driver has a check for "rdev->dbr_pacing". This
caused a trace when KASAN is enabled.
BUG: KASAN: slab-out-of-bounds in bnxt_re_get_hw_stats+0x2b6a/0x2e00 [bnxt_re]
Write of size 8 at addr ffff8885942a6340 by task modprobe/4809
Fixes: 8b6573ff34 ("bnxt_re: Update the debug counters for doorbell pacing")
Link: https://patch.msgid.link/r/1728373302-19530-3-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Older adapters doesn't support the MAX CQ WQEs reported by older FW. So
restrict the value reported to 1M always for older adapters.
Fixes: 1ac5a40479 ("RDMA/bnxt_re: Add bnxt_re RoCE driver")
Link: https://patch.msgid.link/r/1728373302-19530-2-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Abhishek Mohapatra<abhishek.mohapatra@broadcom.com>
Reviewed-by: Chandramohan Akula <chandramohan.akula@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This kselftest update for Linux 6.12-rc3 consists of several fixes
for build, run-time errors, and reporting errors:
-- ftrace: regression test for a kernel crash when running function graph
tracing and then enabling function profiler.
-- rseq: fix for mm_cid test failure.
-- vDSO:
- fixes to reporting skip and other error conditions.
- changes unconditionally build chacha and getrandom tests on
all architectures to make it easier for them to run in CIs.
- build error when sched.h to bring in CLONE_NEWTIME define.
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Merge tag 'linux_kselftest-fixes-6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
"Fixes for build, run-time errors, and reporting errors:
- ftrace: regression test for a kernel crash when running function
graph tracing and then enabling function profiler.
- rseq: fix for mm_cid test failure.
- vDSO:
- fixes to reporting skip and other error conditions
- changes unconditionally build chacha and getrandom tests on all
architectures to make it easier for them to run in CIs
- build error when sched.h to bring in CLONE_NEWTIME define"
* tag 'linux_kselftest-fixes-6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
ftrace/selftest: Test combination of function_graph tracer and function profiler
selftests/rseq: Fix mm_cid test failure
selftests: vDSO: Explicitly include sched.h
selftests: vDSO: improve getrandom and chacha error messages
selftests: vDSO: unconditionally build getrandom test
selftests: vDSO: unconditionally build chacha test
- Disable kunit tests for arm64+ACPI
- Fix refcount issue in kunit tests
- Drop constraints on non-conformant 'interrupt-map' in fsl,ls-extirq
- Drop type ref on 'msi-parent in fsl,qoriq-mc binding
- Move elgin,jg10309-01 to its own binding from trivial-devices
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Merge tag 'devicetree-fixes-for-6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Disable kunit tests for arm64+ACPI
- Fix refcount issue in kunit tests
- Drop constraints on non-conformant 'interrupt-map' in fsl,ls-extirq
- Drop type ref on 'msi-parent in fsl,qoriq-mc binding
- Move elgin,jg10309-01 to its own binding from trivial-devices
* tag 'devicetree-fixes-for-6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
of: Skip kunit tests when arm64+ACPI doesn't populate root node
of: Fix unbalanced of node refcount and memory leaks
dt-bindings: interrupt-controller: fsl,ls-extirq: workaround wrong interrupt-map number
dt-bindings: misc: fsl,qoriq-mc: remove ref for msi-parent
dt-bindings: display: elgin,jg10309-01: Add own binding
- switch fbdev drivers back to struct platform_driver::remove()
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Merge tag 'fbdev-for-6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull fbdev platform driver fix from Helge Deller:
"Switch fbdev drivers back to struct platform_driver::remove()
Now that 'remove()' has been converted to the sane new API, there's
no reason for the 'remove_new()' use, so this converts back to the
traditional and simpler name.
See commits
5c5a7680e6 ("platform: Provide a remove callback that returns no value")
0edb555a65 ("platform: Make platform_driver::remove() return void")
for background to this all"
* tag 'fbdev-for-6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
fbdev: Switch back to struct platform_driver::remove()
- fix clock handle leak in probe() error path in gpio-aspeed
- add a dummy register read to ensure the write actually completed
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Merge tag 'gpio-fixes-for-v6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix clock handle leak in probe() error path in gpio-aspeed
- add a dummy register read to ensure the write actually completed
* tag 'gpio-fixes-for-v6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: aspeed: Use devm_clk api to manage clock source
gpio: aspeed: Add the flush write to ensure the write complete.
Localio Bugfixes:
* Remove duplicated include in localio.c
* Fix race in NFS calls to nfsd_file_put_local() and nfsd_serv_put()
* Fix Kconfig for NFS_COMMON_LOCALIO_SUPPORT
* Fix nfsd_file tracepoints to handle NULL rqstp pointers
Other Bugfixes:
* Fix program selection loop in svc_process_common
* Fix integer overflow in decode_rc_list()
* Prevent NULL-pointer dereference in nfs42_complete_copies()
* Fix CB_RECALL performance issues when using a large number of delegations
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Merge tag 'nfs-for-6.12-2' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client fixes from Anna Schumaker:
"Localio Bugfixes:
- remove duplicated include in localio.c
- fix race in NFS calls to nfsd_file_put_local() and nfsd_serv_put()
- fix Kconfig for NFS_COMMON_LOCALIO_SUPPORT
- fix nfsd_file tracepoints to handle NULL rqstp pointers
Other Bugfixes:
- fix program selection loop in svc_process_common
- fix integer overflow in decode_rc_list()
- prevent NULL-pointer dereference in nfs42_complete_copies()
- fix CB_RECALL performance issues when using a large number of
delegations"
* tag 'nfs-for-6.12-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFS: remove revoked delegation from server's delegation list
nfsd/localio: fix nfsd_file tracepoints to handle NULL rqstp
nfs_common: fix Kconfig for NFS_COMMON_LOCALIO_SUPPORT
nfs_common: fix race in NFS calls to nfsd_file_put_local() and nfsd_serv_put()
NFSv4: Prevent NULL-pointer dereference in nfs42_complete_copies()
SUNRPC: Fix integer overflow in decode_rc_list()
sunrpc: fix prog selection loop in svc_process_common
nfs: Remove duplicated include in localio.c
Fix rcuog kthread wakeup invocation from softirq context on a CPU
which has been marked offline. This can happen when new callbacks
are enqueued from a softirq on an offline CPU before it calls
rcutree_report_cpu_dead(). When this happens on NOCB configuration,
the rcuog wake-up is deferred through an IPI to an online CPU.
This is done to avoid call into the scheduler which can risk
arming the RT-bandwidth after hrtimers have been migrated out
and disabled. However, doing IPI call from softirq is not allowed
Fix this by forcing deferred rcuog wakeup through the NOCB timer
when the CPU is offline.
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Merge tag 'rcu.fixes.6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux
Pull RCU fix from Neeraj Upadhyay:
"Fix rcuog kthread wakeup invocation from softirq context on a CPU
which has been marked offline.
This can happen when new callbacks are enqueued from a softirq on an
offline CPU before it calls rcutree_report_cpu_dead(). When this
happens on NOCB configuration, the rcuog wake-up is deferred through
an IPI to an online CPU. This is done to avoid call into the scheduler
which can risk arming the RT-bandwidth after hrtimers have been
migrated out and disabled.
However, doing IPI call from softirq is not allowed: Fix this by
forcing deferred rcuog wakeup through the NOCB timer when the CPU is
offline"
* tag 'rcu.fixes.6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux:
rcu/nocb: Fix rcuog wake-up from offline softirq
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Merge tag 'for-linus-6.12a-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fix from Juergen Gross:
"A fix for topology information of Xen PV guests"
* tag 'for-linus-6.12a-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
x86/xen: mark boot CPU of PV guest in MSR_IA32_APICBASE
Masami reported a bug when running function graph tracing then the
function profiler. The following commands would cause a kernel crash:
# cd /sys/kernel/tracing/
# echo function_graph > current_tracer
# echo 1 > function_profile_enabled
In that order. Create a test to test this two to make sure this does not
come back as a regression.
Link: https://lore.kernel.org/172398528350.293426.8347220120333730248.stgit@devnote2
Link: https://lore.kernel.org/all/20241010165235.35122877@gandalf.local.home/
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
