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v6.6/standard/preempt-rt/bcm-2xxx-rpi
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Signed-off-by: Clark Williams <clark.williams@gmail.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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Signed-off-by: Clark Williams <clark.williams@gmail.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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Signed-off-by: Clark Williams <clark.williams@gmail.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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This is the 6.6.32 stable release
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This is the 6.6.31 stable release
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Link: https://lore.kernel.org/r/20240523130342.462912131@linuxfoundation.org
Tested-by: SeongJae Park <sj@kernel.org>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Tested-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Tested-by: Shuah Khan <skhan@linuxfoundation.org>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Kelsey Steele <kelseysteele@linux.microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a4217c6740dc64a3eb6815868a9260825e8c68c6 upstream.
Userspace had been unknowingly relying on a non-stable interface of
kernel internals to determine if partition scanning is enabled for a
given disk. Provide a stable interface for this purpose instead.
Cc: stable@vger.kernel.org # 6.3+
Depends-on: 140ce28dd3be ("block: add a disk_has_partscan helper")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/linux-block/ZhQJf8mzq_wipkBH@gardel-login/
Link: https://lore.kernel.org/r/20240502130033.1958492-3-hch@lst.de
[axboe: add links and commit message from Keith]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 140ce28dd3bee8e53acc27f123ae474d69ef66f0 upstream.
Add a helper to check if partition scanning is enabled instead of
open coding the check in a few places. This now always checks for
the hidden flag even if all but one of the callers are never reachable
for hidden gendisks.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240502130033.1958492-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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sysfs file
commit da2a061888883e067e8e649d086df35c92c760a7 upstream.
The example usage of DAMOS filter sysfs files, specifically the part of
'matching' file writing for memcg type filter, is wrong. The intention is
to exclude pages of a memcg that already getting enough care from a given
scheme, but the example is setting the filter to apply the scheme to only
the pages of the memcg. Fix it.
Link: https://lkml.kernel.org/r/20240503180318.72798-7-sj@kernel.org
Fixes: 9b7f9322a530 ("Docs/admin-guide/mm/damon/usage: document DAMOS filters of sysfs")
Closes: https://lore.kernel.org/r/20240317191358.97578-1-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: <stable@vger.kernel.org> [6.3.x]
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d43ddd5c91802a46354fa4c4381416ef760676e2 upstream.
Running "make htmldocs" on a newly installed Sphinx 7.3.7 ends up in
a build error:
Sphinx parallel build error:
AttributeError: module 'docutils.nodes' has no attribute 'reprunicode'
docutils 0.21 has removed nodes.reprunicode, quote from release note [1]:
* Removed objects:
docutils.nodes.reprunicode, docutils.nodes.ensure_str()
Python 2 compatibility hacks
Sphinx 7.3.0 supports docutils 0.21 [2]:
kernel_include.py, whose origin is misc.py of docutils, uses reprunicode.
Upstream docutils removed the offending line from the corresponding file
(docutils/docutils/parsers/rst/directives/misc.py) in January 2022.
Quoting the changelog [3]:
Deprecate `nodes.reprunicode` and `nodes.ensure_str()`.
Drop uses of the deprecated constructs (not required with Python 3).
Do the same for kernel_include.py.
Tested against:
- Sphinx 2.4.5 (docutils 0.17.1)
- Sphinx 3.4.3 (docutils 0.17.1)
- Sphinx 5.3.0 (docutils 0.18.1)
- Sphinx 6.2.1 (docutils 0.19)
- Sphinx 7.2.6 (docutils 0.20.1)
- Sphinx 7.3.7 (docutils 0.21.2)
Link: http://www.docutils.org/RELEASE-NOTES.html#release-0-21-2024-04-09 [1]
Link: https://www.sphinx-doc.org/en/master/changes.html#release-7-3-0-released-apr-16-2024 [2]
Link: https://github.com/docutils/docutils/commit/c8471ce47a24 [3]
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/faf5fa45-2a9d-4573-9d2e-3930bdc1ed65@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8af2d1ab78f2342f8c4c3740ca02d86f0ebfac5a upstream.
sched_core_share_pid() copies the cookie to userspace with
put_user(id, (u64 __user *)uaddr), expecting 64 bits of space.
The "unsigned long" datatype that is documented in core-scheduling.rst
however is only 32 bits large on 32 bit architectures.
Document "unsigned long long" as the correct data type that is always
64bits large.
This matches what the selftest cs_prctl_test.c has been doing all along.
Fixes: 0159bb020ca9 ("Documentation: Add usecases, design and interface for core scheduling")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/util-linux/df7a25a0-7923-4f8b-a527-5e6f0064074d@t-8ch.de/
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Chris Hyser <chris.hyser@oracle.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240423-core-scheduling-cookie-v1-1-5753a35f8dfc@weissschuh.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 050bf3c793a07f96bd1e2fd62e1447f731ed733b upstream.
When asn1_encode_sequence() fails, WARN is not the correct solution.
1. asn1_encode_sequence() is not an internal function (located
in lib/asn1_encode.c).
2. Location is known, which makes the stack trace useless.
3. Results a crash if panic_on_warn is set.
It is also noteworthy that the use of WARN is undocumented, and it
should be avoided unless there is a carefully considered rationale to
use it.
Replace WARN with pr_err, and print the return value instead, which is
only useful piece of information.
Cc: stable@vger.kernel.org # v5.13+
Fixes: f2219745250f ("security: keys: trusted: use ASN.1 TPM2 key format for the blobs")
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 331f91d86f71d0bb89a44217cc0b2a22810bbd42 upstream.
The IPI buffer location is read from the firmware that we load to the
System Companion Processor, and it's not granted that both the SRAM
(L2TCM) size that is defined in the devicetree node is large enough
for that, and while this is especially true for multi-core SCP, it's
still useful to check on single-core variants as well.
Failing to perform this check may make this driver perform R/W
operations out of the L2TCM boundary, resulting (at best) in a
kernel panic.
To fix that, check that the IPI buffer fits, otherwise return a
failure and refuse to boot the relevant SCP core (or the SCP at
all, if this is single core).
Fixes: 3efa0ea743b7 ("remoteproc/mediatek: read IPI buffer offset from FW")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240321084614.45253-2-angelogioacchino.delregno@collabora.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b2aba15ad6f908d1a620fd97f6af5620c3639742 upstream.
Currently, when kdb is compiled with keyboard support, then we will use
schedule_work() to provoke reset of the keyboard status. Unfortunately
schedule_work() gets called from the kgdboc post-debug-exception
handler. That risks deadlock since schedule_work() is not NMI-safe and,
even on platforms where the NMI is not directly used for debugging, the
debug trap can have NMI-like behaviour depending on where breakpoints
are placed.
Fix this by using the irq work system, which is NMI-safe, to defer the
call to schedule_work() to a point when it is safe to call.
Reported-by: Liuye <liu.yeC@h3c.com>
Closes: https://lore.kernel.org/all/20240228025602.3087748-1-liu.yeC@h3c.com/
Cc: stable@vger.kernel.org
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240424-kgdboc_fix_schedule_work-v2-1-50f5a490aec5@linaro.org
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 409c1cfb5a803f3cf2d17aeaf75c25c4be951b07 upstream.
The current interrupt service routine of the tps6598x only reads the
first 64 bits of the INT_EVENT1 and INT_EVENT2 registers, which means
that any event above that range will be ignored, leaving interrupts
unattended. Moreover, those events will not be cleared, and the device
will keep the interrupt enabled.
This issue has been observed while attempting to load patches, and the
'ReadyForPatch' field (bit 81) of INT_EVENT1 was set.
Given that older versions of the tps6598x (1, 2 and 6) provide 8-byte
registers, a mechanism based on the upper byte of the version register
(0x0F) has been included. The manufacturer has confirmed [1] that this
byte is always 0 for older versions, and either 0xF7 (DH parts) or 0xF9
(DK parts) is returned in newer versions (7 and 8).
Read the complete INT_EVENT registers to handle all interrupts generated
by the device and account for the hardware version to select the
register size.
Link: https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1346521/tps65987d-register-command-to-distinguish-between-tps6591-2-6-and-tps65987-8 [1]
Fixes: 0a4c005bd171 ("usb: typec: driver for TI TPS6598x USB Power Delivery controllers")
Cc: stable@vger.kernel.org
Signed-off-by: Javier Carrasco <javier.carrasco@wolfvision.net>
Link: https://lore.kernel.org/r/20240429-tps6598x_fix_event_handling-v3-2-4e8e58dce489@wolfvision.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b791a67f68121d69108640d4a3e591d210ffe850 upstream.
The function ucsi_displayport_work() does not access the
connector, so it also must not acquire the connector lock.
This fixes a potential deadlock scenario:
ucsi_displayport_work() -> lock(&con->lock)
typec_altmode_vdm()
dp_altmode_vdm()
dp_altmode_work()
typec_altmode_enter()
ucsi_displayport_enter() -> lock(&con->lock)
Reported-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Fixes: af8622f6a585 ("usb: typec: ucsi: Support for DisplayPort alt mode")
Cc: stable@vger.kernel.org
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240507134316.161999-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ecf848eb934b03959918f5269f64c0e52bc23998 upstream.
The idea was to keep only one reset at initialization stage in order to
reduce the total delay, or the reset from usbnet_probe or the reset from
usbnet_open.
I have seen that restarting from usbnet_probe is necessary to avoid doing
too complex things. But when the link is set to down/up (for example to
configure a different mac address) the link is not correctly recovered
unless a reset is commanded from usbnet_open.
So, detect the initialization stage (first call) to not reset from
usbnet_open after the reset from usbnet_probe and after this stage, always
reset from usbnet_open too (when the link needs to be rechecked).
Apply to all the possible devices, the behavior now is going to be the same.
cc: stable@vger.kernel.org # 6.6+
Fixes: 56f78615bcb1 ("net: usb: ax88179_178a: avoid writing the mac address before first reading")
Reported-by: Isaac Ganoung <inventor500@vivaldi.net>
Reported-by: Yongqin Liu <yongqin.liu@linaro.org>
Signed-off-by: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240510090846.328201-1-jtornosm@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 1d26ba0944d398f88aaf997bda3544646cf21945 upstream.
Currently all controller IP/revisions except DWC3_usb3 >= 310a
wait 1ms unconditionally for ENDXFER completion when IOC is not
set. This is because DWC_usb3 controller revisions >= 3.10a
supports GUCTL2[14: Rst_actbitlater] bit which allows polling
CMDACT bit to know whether ENDXFER command is completed.
Consider a case where an IN request was queued, and parallelly
soft_disconnect was called (due to ffs_epfile_release). This
eventually calls stop_active_transfer with IOC cleared, hence
send_gadget_ep_cmd() skips waiting for CMDACT cleared during
EndXfer. For DWC3 controllers with revisions >= 310a, we don't
forcefully wait for 1ms either, and we proceed by unmapping the
requests. If ENDXFER didn't complete by this time, it leads to
SMMU faults since the controller would still be accessing those
requests.
Fix this by ensuring ENDXFER completion by adding 1ms delay in
__dwc3_stop_active_transfer() unconditionally.
Cc: stable@vger.kernel.org
Fixes: b353eb6dc285 ("usb: dwc3: gadget: Skip waiting for CMDACT cleared during endxfer")
Signed-off-by: Prashanth K <quic_prashk@quicinc.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20240502044103.1066350-1-quic_prashk@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 42316941335644a98335f209daafa4c122f28983 upstream.
The type defined for the BINDER_SET_MAX_THREADS ioctl was changed from
size_t to __u32 in order to avoid incompatibility issues between 32 and
64-bit kernels. However, the internal types used to copy from user and
store the value were never updated. Use u32 to fix the inconsistency.
Fixes: a9350fc859ae ("staging: android: binder: fix BINDER_SET_MAX_THREADS declaration")
Reported-by: Arve Hjønnevåg <arve@android.com>
Cc: stable@vger.kernel.org
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20240421173750.3117808-1-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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amdgpu_ras_query_error_status_helper()
commit b8d55a90fd55b767c25687747e2b24abd1ef8680 upstream.
Return invalid error code -EINVAL for invalid block id.
Fixes the below:
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:1183 amdgpu_ras_query_error_status_helper() error: we previously assumed 'info' could be null (see line 1176)
Suggested-by: Hawking Zhang <Hawking.Zhang@amd.com>
Cc: Tao Zhou <tao.zhou1@amd.com>
Cc: Hawking Zhang <Hawking.Zhang@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Ajay: applied AMDGPU_RAS_BLOCK_COUNT condition to amdgpu_ras_query_error_status()
as amdgpu_ras_query_error_status_helper() not present in v6.6, v6.1
amdgpu_ras_query_error_status_helper() was introduced in 8cc0f5669eb6]
Signed-off-by: Ajay Kaher <ajay.kaher@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 7af2ae1b1531feab5d38ec9c8f472dc6cceb4606 upstream.
When erofs_kill_sb() is called in block dev based mode, s_bdev may not
have been initialised yet, and if CONFIG_EROFS_FS_ONDEMAND is enabled,
it will be mistaken for fscache mode, and then attempt to free an anon_dev
that has never been allocated, triggering the following warning:
============================================
ida_free called for id=0 which is not allocated.
WARNING: CPU: 14 PID: 926 at lib/idr.c:525 ida_free+0x134/0x140
Modules linked in:
CPU: 14 PID: 926 Comm: mount Not tainted 6.9.0-rc3-dirty #630
RIP: 0010:ida_free+0x134/0x140
Call Trace:
<TASK>
erofs_kill_sb+0x81/0x90
deactivate_locked_super+0x35/0x80
get_tree_bdev+0x136/0x1e0
vfs_get_tree+0x2c/0xf0
do_new_mount+0x190/0x2f0
[...]
============================================
Now when erofs_kill_sb() is called, erofs_sb_info must have been
initialised, so use sbi->fsid to distinguish between the two modes.
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20240419123611.947084-3-libaokun1@huawei.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 07abe43a28b2c660f726d66f5470f7f114f9643a upstream.
Instead of allocating the erofs_sb_info in fill_super() allocate it during
erofs_init_fs_context() and ensure that erofs can always have the info
available during erofs_kill_sb(). After this erofs_fs_context is no longer
needed, replace ctx with sbi, no functional changes.
Suggested-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20240419123611.947084-2-libaokun1@huawei.com
[ Gao Xiang: trivial conflict due to a warning message. ]
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 117211aa739a926e6555cfea883be84bee6f1695 upstream.
Pengfei Xu reported [1] Syzkaller/KASAN issue found in bpf_link_show_fdinfo.
The reason is missing BPF_LINK_TYPE invocation for uprobe multi
link and for several other links, adding that.
[1] https://lore.kernel.org/bpf/ZXptoKRSLspnk2ie@xpf.sh.intel.com/
Fixes: 89ae89f53d20 ("bpf: Add multi uprobe link")
Fixes: e420bed02507 ("bpf: Add fd-based tcx multi-prog infra with link support")
Fixes: 84601d6ee68a ("bpf: add bpf_link support for BPF_NETFILTER programs")
Fixes: 35dfaad7188c ("netkit, bpf: Add bpf programmable net device")
Reported-by: Pengfei Xu <pengfei.xu@intel.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Tested-by: Pengfei Xu <pengfei.xu@intel.com>
Acked-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/bpf/20231215230502.2769743-1-jolsa@kernel.org
Signed-off-by: Ignat Korchagin <ignat@cloudflare.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 907f33028871fa7c9a3db1efd467b78ef82cce20 upstream.
The standard library perror() function provides a convenient way to print
an error message based on the current errno but this doesn't play nicely
with KTAP output. Provide a helper which does an equivalent thing in a KTAP
compatible format.
nolibc doesn't have a strerror() and adding the table of strings required
doesn't seem like a good fit for what it's trying to do so when we're using
that only print the errno.
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Stable-dep-of: 071af0c9e582 ("selftests: timers: Convert posix_timers test to generate KTAP output")
Signed-off-by: Edward Liaw <edliaw@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 77e01b49e35f24ebd1659096d5fc5c3b75975545 upstream.
During the initialization to HS400es stage, add a HS400 tuning flow as an
optional process. For Mediatek IP, the HS400es mode requires a specific
tuning to ensure the correct HS400 timing setting.
Signed-off-by: Mengqi Zhang <mengqi.zhang@mediatek.com>
Link: https://lore.kernel.org/r/20231225093839.22931-2-mengqi.zhang@mediatek.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Cc: "Lin Gui (桂林)" <Lin.Gui@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ffcaa2172cc1a85ddb8b783de96d38ca8855e248 upstream.
'scratch' is never freed. Fix this by calling kfree() in the success, and
in the error case.
Cc: stable@vger.kernel.org # +v5.13
Fixes: f2219745250f ("security: keys: trusted: use ASN.1 TPM2 key format for the blobs")
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a5b862c6a221459d54e494e88965b48dcfa6cc44 upstream.
l2cap_le_flowctl_init() can cause both div-by-zero and an integer
overflow since hdev->le_mtu may not fall in the valid range.
Move MTU from hci_dev to hci_conn to validate MTU and stop the connection
process earlier if MTU is invalid.
Also, add a missing validation in read_buffer_size() and make it return
an error value if the validation fails.
Now hci_conn_add() returns ERR_PTR() as it can fail due to the both a
kzalloc failure and invalid MTU value.
divide error: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 PID: 67 Comm: kworker/u5:0 Tainted: G W 6.9.0-rc5+ #20
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Workqueue: hci0 hci_rx_work
RIP: 0010:l2cap_le_flowctl_init+0x19e/0x3f0 net/bluetooth/l2cap_core.c:547
Code: e8 17 17 0c 00 66 41 89 9f 84 00 00 00 bf 01 00 00 00 41 b8 02 00 00 00 4c
89 fe 4c 89 e2 89 d9 e8 27 17 0c 00 44 89 f0 31 d2 <66> f7 f3 89 c3 ff c3 4d 8d
b7 88 00 00 00 4c 89 f0 48 c1 e8 03 42
RSP: 0018:ffff88810bc0f858 EFLAGS: 00010246
RAX: 00000000000002a0 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffff88810bc0f7c0 RDI: ffffc90002dcb66f
RBP: ffff88810bc0f880 R08: aa69db2dda70ff01 R09: 0000ffaaaaaaaaaa
R10: 0084000000ffaaaa R11: 0000000000000000 R12: ffff88810d65a084
R13: dffffc0000000000 R14: 00000000000002a0 R15: ffff88810d65a000
FS: 0000000000000000(0000) GS:ffff88811ac00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000100 CR3: 0000000103268003 CR4: 0000000000770ef0
PKRU: 55555554
Call Trace:
<TASK>
l2cap_le_connect_req net/bluetooth/l2cap_core.c:4902 [inline]
l2cap_le_sig_cmd net/bluetooth/l2cap_core.c:5420 [inline]
l2cap_le_sig_channel net/bluetooth/l2cap_core.c:5486 [inline]
l2cap_recv_frame+0xe59d/0x11710 net/bluetooth/l2cap_core.c:6809
l2cap_recv_acldata+0x544/0x10a0 net/bluetooth/l2cap_core.c:7506
hci_acldata_packet net/bluetooth/hci_core.c:3939 [inline]
hci_rx_work+0x5e5/0xb20 net/bluetooth/hci_core.c:4176
process_one_work kernel/workqueue.c:3254 [inline]
process_scheduled_works+0x90f/0x1530 kernel/workqueue.c:3335
worker_thread+0x926/0xe70 kernel/workqueue.c:3416
kthread+0x2e3/0x380 kernel/kthread.c:388
ret_from_fork+0x5c/0x90 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
Fixes: 6ed58ec520ad ("Bluetooth: Use LE buffers for LE traffic")
Suggested-by: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Signed-off-by: Sungwoo Kim <iam@sung-woo.kim>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4d7b41c0e43995b0e992b9f8903109275744b658 upstream.
Extend a critical section to prevent chan from early freeing.
Also make the l2cap_connect() return type void. Nothing is using the
returned value but it is ugly to return a potentially freed pointer.
Making it void will help with backports because earlier kernels did use
the return value. Now the compile will break for kernels where this
patch is not a complete fix.
Call stack summary:
[use]
l2cap_bredr_sig_cmd
l2cap_connect
┌ mutex_lock(&conn->chan_lock);
│ chan = pchan->ops->new_connection(pchan); <- alloc chan
│ __l2cap_chan_add(conn, chan);
│ l2cap_chan_hold(chan);
│ list_add(&chan->list, &conn->chan_l); ... (1)
└ mutex_unlock(&conn->chan_lock);
chan->conf_state ... (4) <- use after free
[free]
l2cap_conn_del
┌ mutex_lock(&conn->chan_lock);
│ foreach chan in conn->chan_l: ... (2)
│ l2cap_chan_put(chan);
│ l2cap_chan_destroy
│ kfree(chan) ... (3) <- chan freed
└ mutex_unlock(&conn->chan_lock);
==================================================================
BUG: KASAN: slab-use-after-free in instrument_atomic_read
include/linux/instrumented.h:68 [inline]
BUG: KASAN: slab-use-after-free in _test_bit
include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
BUG: KASAN: slab-use-after-free in l2cap_connect+0xa67/0x11a0
net/bluetooth/l2cap_core.c:4260
Read of size 8 at addr ffff88810bf040a0 by task kworker/u3:1/311
Fixes: 73ffa904b782 ("Bluetooth: Move conf_{req,rsp} stuff to struct l2cap_chan")
Signed-off-by: Sungwoo Kim <iam@sung-woo.kim>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 363f689600dd010703ce6391bcfc729a97d21840 upstream.
The ice_vc_fdir_param_check() function validates that the VSI ID of the
virtchnl flow director command matches the VSI number of the VF. This is
already checked by the call to ice_vc_isvalid_vsi_id() immediately
following this.
This check is unnecessary since ice_vc_isvalid_vsi_id() already confirms
this by checking that the VSI ID can locate the VSI associated with the VF
structure.
Furthermore, a following change is going to refactor the ice driver to
report VSI IDs using a relative index for each VF instead of reporting the
PF VSI number. This additional check would break that logic since it
enforces that the VSI ID matches the VSI number.
Since this check duplicates the logic in ice_vc_isvalid_vsi_id() and gets
in the way of refactoring that logic, remove it.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a21605993dd5dfd15edfa7f06705ede17b519026 upstream.
The ice_vc_isvalid_q_id() function takes a VSI index and a queue ID. It
looks up the VSI from its index, and then validates that the queue number
is valid for that VSI.
The VSI ID passed is typically a VSI index from the VF. This VSI number is
validated by the PF to ensure that it matches the VSI associated with the
VF already.
In every flow where ice_vc_isvalid_q_id() is called, the PF driver already
has a pointer to the VSI associated with the VF. This pointer is obtained
using ice_get_vf_vsi(), rather than looking up the VSI using the index sent
by the VF.
Since we already know which VSI to operate on, we can modify
ice_vc_isvalid_q_id() to take a VSI pointer instead of a VSI index. Pass
the VSI we found from ice_get_vf_vsi() instead of re-doing the lookup. This
removes some unnecessary computation and scanning of the VSI list.
It also removes the last place where the driver directly used the VSI
number from the VF. This will pave the way for refactoring to communicate
relative VSI numbers to the VF instead of absolute numbers from the PF
space.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 317a215d493230da361028ea8a4675de334bfa1a upstream.
Under some circumstances it may happen that the ks8851 Ethernet driver
stops sending data.
Currently the interrupt handler resets the interrupt status flags in the
hardware after handling TX. With this approach we may lose interrupts in
the time window between handling the TX interrupt and resetting the TX
interrupt status bit.
When all of the three following conditions are true then transmitting
data stops:
- TX queue is stopped to wait for room in the hardware TX buffer
- no queued SKBs in the driver (txq) that wait for being written to hw
- hardware TX buffer is empty and the last TX interrupt was lost
This is because reenabling the TX queue happens when handling the TX
interrupt status but if the TX status bit has already been cleared then
this interrupt will never come.
With this commit the interrupt status flags will be cleared before they
are handled. That way we stop losing interrupts.
The wrong handling of the ISR flags was there from the beginning but
with commit 3dc5d4454545 ("net: ks8851: Fix TX stall caused by TX
buffer overrun") the issue becomes apparent.
Fixes: 3dc5d4454545 ("net: ks8851: Fix TX stall caused by TX buffer overrun")
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Simon Horman <horms@kernel.org>
Cc: netdev@vger.kernel.org
Cc: stable@vger.kernel.org # 5.10+
Signed-off-by: Ronald Wahl <ronald.wahl@raritan.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 130afc8a886183a94cf6eab7d24f300014ff87ba upstream.
When slice_height is 0, the division by slice_height in the calculation
of the number of slices will cause a division by zero driver crash. This
leaves the kernel in a state that requires a reboot. This patch adds a
check to avoid the division by zero.
The stack trace below is for the 6.8.4 Kernel. I reproduced the issue on
a Z16 Gen 2 Lenovo Thinkpad with a Apple Studio Display monitor
connected via Thunderbolt. The amdgpu driver crashed with this exception
when I rebooted the system with the monitor connected.
kernel: ? die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434 arch/x86/kernel/dumpstack.c:447)
kernel: ? do_trap (arch/x86/kernel/traps.c:113 arch/x86/kernel/traps.c:154)
kernel: ? setup_dsc_config (drivers/gpu/drm/amd/amdgpu/../display/dc/dsc/dc_dsc.c:1053) amdgpu
kernel: ? do_error_trap (./arch/x86/include/asm/traps.h:58 arch/x86/kernel/traps.c:175)
kernel: ? setup_dsc_config (drivers/gpu/drm/amd/amdgpu/../display/dc/dsc/dc_dsc.c:1053) amdgpu
kernel: ? exc_divide_error (arch/x86/kernel/traps.c:194 (discriminator 2))
kernel: ? setup_dsc_config (drivers/gpu/drm/amd/amdgpu/../display/dc/dsc/dc_dsc.c:1053) amdgpu
kernel: ? asm_exc_divide_error (./arch/x86/include/asm/idtentry.h:548)
kernel: ? setup_dsc_config (drivers/gpu/drm/amd/amdgpu/../display/dc/dsc/dc_dsc.c:1053) amdgpu
kernel: dc_dsc_compute_config (drivers/gpu/drm/amd/amdgpu/../display/dc/dsc/dc_dsc.c:1109) amdgpu
After applying this patch, the driver no longer crashes when the monitor
is connected and the system is rebooted. I believe this is the same
issue reported for 3113.
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Jose Fernandez <josef@netflix.com>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3113
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: "Limonciello, Mario" <mario.limonciello@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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-Wflex-array-member-not-at-end is coming in GCC-14, and we are getting
ready to enable it globally.
So, in order to avoid ending up with a flexible-array member in the
middle of multiple other structs, we use the `__struct_group()` helper
to separate the flexible array from the rest of the members in the
flexible structure, and use the tagged `struct create_context_hdr`
instead of `struct create_context`.
So, with these changes, fix 51 of the following warnings[1]:
fs/smb/client/../common/smb2pdu.h:1225:31: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
Link: https://gist.github.com/GustavoARSilva/772526a39be3dd4db39e71497f0a9893 [1]
Link: https://github.com/KSPP/linux/issues/202
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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[ Upstream commit e9d8c2f95ab8acaf3f4d4a53682a4afa3c263692 ]
If capabilities of the share is not SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY,
ksmbd should not grant a persistent handle to the client.
This patch add continuous availability share parameter to control it.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit afc23febd51c7e24361e3a9c09f3e892eb0a41ea ]
Add tracing for the refcounting/lifecycle of the cifs_tcon struct, marking
different events with different labels and giving each tcon its own debug
ID so that the tracelines corresponding to individual tcons can be
distinguished. This can be enabled with:
echo 1 >/sys/kernel/debug/tracing/events/cifs/smb3_tcon_ref/enable
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: linux-cifs@vger.kernel.org
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c6ff459037b2e35450af2351037eac4c8aca1d6b ]
In cifs_sfu_make_node(), on success, instantiate rather than leave it
with dentry unhashed negative to support callers that expect mknod(2)
to always instantiate.
This fixes the following test case:
mount.cifs //srv/share /mnt -o ...,sfu
mkfifo /mnt/fifo
./xfstests/ltp/growfiles -b -W test -e 1 -u -i 0 -L 30 /mnt/fifo
...
BUG: unable to handle page fault for address: 000000034cec4e58
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: 0000 1 PREEMPT SMP PTI
CPU: 0 PID: 138098 Comm: growfiles Kdump: loaded Not tainted
5.14.0-436.3987_1240945149.el9.x86_64 #1
Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
RIP: 0010:_raw_callee_save__kvm_vcpu_is_preempted+0x0/0x20
Code: e8 15 d9 61 00 e9 63 ff ff ff 41 bd ea ff ff ff e9 58 ff ff ff e8
d0 71 c0 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <48> 8b 04
fd 60 2b c1 99 80 b8 90 50 03 00 00 0f 95 c0 c3 cc cc cc
RSP: 0018:ffffb6a143cf7cf8 EFLAGS: 00010206
RAX: ffff8a9bc30fb038 RBX: ffff8a9bc666a200 RCX: ffff8a9cc0260000
RDX: 00000000736f622e RSI: ffff8a9bc30fb038 RDI: 000000007665645f
RBP: ffffb6a143cf7d70 R08: 0000000000001000 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000000 R12: ffff8a9bc666a200
R13: 0000559a302a12b0 R14: 0000000000001000 R15: 0000000000000000
FS: 00007fbed1dbb740(0000) GS:ffff8a9cf0000000(0000)
knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000034cec4e58 CR3: 0000000128ec6006 CR4: 0000000000770ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
<TASK>
? show_trace_log_lvl+0x1c4/0x2df
? show_trace_log_lvl+0x1c4/0x2df
? __mutex_lock.constprop.0+0x5f7/0x6a0
? __die_body.cold+0x8/0xd
? page_fault_oops+0x134/0x170
? exc_page_fault+0x62/0x150
? asm_exc_page_fault+0x22/0x30
? _pfx_raw_callee_save__kvm_vcpu_is_preempted+0x10/0x10
__mutex_lock.constprop.0+0x5f7/0x6a0
? __mod_memcg_lruvec_state+0x84/0xd0
pipe_write+0x47/0x650
? do_anonymous_page+0x258/0x410
? inode_security+0x22/0x60
? selinux_file_permission+0x108/0x150
vfs_write+0x2cb/0x410
ksys_write+0x5f/0xe0
do_syscall_64+0x5c/0xf0
? syscall_exit_to_user_mode+0x22/0x40
? do_syscall_64+0x6b/0xf0
? sched_clock_cpu+0x9/0xc0
? exc_page_fault+0x62/0x150
entry_SYSCALL_64_after_hwframe+0x6e/0x76
Cc: stable@vger.kernel.org
Fixes: 72bc63f5e23a ("smb3: fix creating FIFOs when mounting with "sfu" mount option")
Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit ec4535b2a1d709d3a1fbec26739c672f13c98a7b ]
cifs_get_fattr() may be called with a NULL inode, so check for a
non-NULL inode before calling
cifs_mark_open_handles_for_deleted_file().
This fixes the following oops:
mount.cifs //srv/share /mnt -o ...,vers=3.1.1
cd /mnt
touch foo; tail -f foo &
rm foo
cat foo
BUG: kernel NULL pointer dereference, address: 00000000000005c0
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 2 PID: 696 Comm: cat Not tainted 6.9.0-rc2 #1
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS
1.16.3-1.fc39 04/01/2014
RIP: 0010:__lock_acquire+0x5d/0x1c70
Code: 00 00 44 8b a4 24 a0 00 00 00 45 85 f6 0f 84 bb 06 00 00 8b 2d
48 e2 95 01 45 89 c3 41 89 d2 45 89 c8 85 ed 0 0 <48> 81 3f 40 7a 76
83 44 0f 44 d8 83 fe 01 0f 86 1b 03 00 00 31 d2
RSP: 0018:ffffc90000b37490 EFLAGS: 00010002
RAX: 0000000000000000 RBX: ffff888110021ec0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000005c0
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000200
FS: 00007f2a1fa08740(0000) GS:ffff888157a00000(0000)
knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
CR2: 00000000000005c0 CR3: 000000011ac7c000 CR4: 0000000000750ef0
PKRU: 55555554
Call Trace:
<TASK>
? __die+0x23/0x70
? page_fault_oops+0x180/0x490
? srso_alias_return_thunk+0x5/0xfbef5
? exc_page_fault+0x70/0x230
? asm_exc_page_fault+0x26/0x30
? __lock_acquire+0x5d/0x1c70
? srso_alias_return_thunk+0x5/0xfbef5
? srso_alias_return_thunk+0x5/0xfbef5
lock_acquire+0xc0/0x2d0
? cifs_mark_open_handles_for_deleted_file+0x3a/0x100 [cifs]
? srso_alias_return_thunk+0x5/0xfbef5
? kmem_cache_alloc+0x2d9/0x370
_raw_spin_lock+0x34/0x80
? cifs_mark_open_handles_for_deleted_file+0x3a/0x100 [cifs]
cifs_mark_open_handles_for_deleted_file+0x3a/0x100 [cifs]
cifs_get_fattr+0x24c/0x940 [cifs]
? srso_alias_return_thunk+0x5/0xfbef5
cifs_get_inode_info+0x96/0x120 [cifs]
cifs_lookup+0x16e/0x800 [cifs]
cifs_atomic_open+0xc7/0x5d0 [cifs]
? lookup_open.isra.0+0x3ce/0x5f0
? __pfx_cifs_atomic_open+0x10/0x10 [cifs]
lookup_open.isra.0+0x3ce/0x5f0
path_openat+0x42b/0xc30
? srso_alias_return_thunk+0x5/0xfbef5
? srso_alias_return_thunk+0x5/0xfbef5
? srso_alias_return_thunk+0x5/0xfbef5
do_filp_open+0xc4/0x170
do_sys_openat2+0xab/0xe0
__x64_sys_openat+0x57/0xa0
do_syscall_64+0xc1/0x1e0
entry_SYSCALL_64_after_hwframe+0x72/0x7a
Fixes: ffceb7640cbf ("smb: client: do not defer close open handles to deleted files")
Reviewed-by: Meetakshi Setiya <msetiya@microsoft.com>
Reviewed-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit e9e9fbeb83f65d3d487e0a0838c0867292c99fb2 ]
Add trace points to help debug mknod and mkfifo:
smb3_mknod_done
smb3_mknod_enter
smb3_mknod_err
Example output:
TASK-PID CPU# ||||| TIMESTAMP FUNCTION
| | | ||||| | |
mkfifo-6163 [003] ..... 960.425558: smb3_mknod_enter: xid=12 sid=0xb55130f6 tid=0x46e6241c path=\fifo1
mkfifo-6163 [003] ..... 960.432719: smb3_mknod_done: xid=12 sid=0xb55130f6 tid=0x46e6241c
Reviewed-by: Bharath SM <bharathsm@microsoft.com>
Reviewed-by: Meetakshi Setiya <msetiya@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit e56bc745fa1de77abc2ad8debc4b1b83e0426c49 ]
Added new compression flag that was recently documented, in
addition fix some typos and clarify the sid_attr_data struct
definition.
Reviewed-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 68c5818a27afcb5cdddab041b82e9d47c996cb6a ]
The offset field in the compression header is 32 bits not 16.
Reviewed-by: Bharath SM <bharathsm@microsoft.com>
Reported-by: Enzo Matsumiya <ematsumiya@suse.de>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 5b142b37c70b1fa6936fa2d0babb0b8c16767d3a ]
Move the following:
extern mempool_t *cifs_sm_req_poolp;
extern mempool_t *cifs_req_poolp;
extern mempool_t *cifs_mid_poolp;
extern bool disable_legacy_dialects;
from various .c files to cifsglob.h.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-cifs@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c6cd2e8d2d9aa7ee35b1fa6a668e32a22a9753da ]
I found potencial out-of-bounds when buffer offset fields of a few requests
is invalid. This patch set the minimum value of buffer offset field to
->Buffer offset to validate buffer length.
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit d10c77873ba1e9e6b91905018e29e196fd5f863d ]
If ->NameOffset/Length is bigger than ->CreateContextsOffset/Length,
ksmbd_check_message doesn't validate request buffer it correctly.
So slab-out-of-bounds warning from calling smb_strndup_from_utf16()
in smb2_open() could happen. If ->NameLength is non-zero, Set the larger
of the two sums (Name and CreateContext size) as the offset and length of
the data area.
Reported-by: Yang Chaoming <lometsj@live.com>
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit e758fa6956cbc873e4819ec3dd97cfd05a4c147e ]
There is a spelling mistake in a ksmbd_debug debug message. Fix it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 5fb282ba4fef8985a5acf2b32681f2ec07732561 ]
rcu_dereference can return NULL, so make sure we check against that.
Signed-off-by: Marios Makassikis <mmakassikis@freebox.fr>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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Bruce Ashfield
Clark Williams
Greg Kroah-Hartman
Christoph Hellwig
SeongJae Park
Akira Yokosawa
Thomas Weißschuh
Jarkko Sakkinen
AngeloGioacchino Del Regno
Daniel Thompson
Javier Carrasco
Heikki Krogerus
Jose Ignacio Tornos Martinez
Prashanth K
Carlos Llamas
Srinivasan Shanmugam
Christian Brauner
Baokun Li
Jiri Olsa
Mark Brown
Mengqi Zhang
Sungwoo Kim
Jacob Keller
Ronald Wahl
Jose Fernandez
Gustavo A. R. Silva
Namjae Jeon
David Howells
Paulo Alcantara
Steve French
Colin Ian King
Marios Makassikis