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Merge tag 'hyperv-fixes-signed-20230402' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv fixes from Wei Liu:
- Fix a bug in channel allocation for VMbus (Mohammed Gamal)
- Do not allow root partition functionality in CVM (Michael Kelley)
* tag 'hyperv-fixes-signed-20230402' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
x86/hyperv: Block root partition functionality in a Confidential VM
Drivers: vmbus: Check for channel allocation before looking up relids
A __field() in the TRACE_EVENT() macro is used to set up the fields of the
trace event data. It is for single storage units (word, char, int,
pointer, etc) and not for complex structures or arrays. Unfortunately,
there's nothing preventing the build from accepting:
__field(int, arr[5]);
from building. It will turn into a array value. This use to work fine, as
the offset and size use to be determined by the macro using the field name,
but things have changed and the offset and size are now determined by the
type. So the above would only be size 4, and the next field will be
located 4 bytes from it (instead of 20).
The proper way to declare static arrays is to use the __array() macro.
Instead of __field(int, arr[5]) it should be __array(int, arr, 5).
Add some macro tricks to the building of a trace event from the
TRACE_EVENT() macro such that __field(int, arr[5]) will fail to build. A
comment by the failure will explain why the build failed.
Link: https://lore.kernel.org/lkml/20230306122549.236561-1-douglas.raillard@arm.com/
Link: https://lore.kernel.org/linux-trace-kernel/20230309221302.642e82d9@gandalf.local.home
Reported-by: Douglas RAILLARD <douglas.raillard@arm.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
osnoise/timerlat tracers are reporting new max latency on instances
where the tracing is off, creating inconsistencies between the max
reported values in the trace and in the tracing_max_latency. Thus
only report new tracing_max_latency on active tracing instances.
Link: https://lkml.kernel.org/r/ecd109fde4a0c24ab0f00ba1e9a144ac19a91322.1680104184.git.bristot@kernel.org
Cc: stable@vger.kernel.org
Fixes: dae181349f1e ("tracing/osnoise: Support a list of trace_array *tr")
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
timerlat is not reporting a new tracing_max_latency for the thread
latency. The reason is that it is not calling notify_new_max_latency()
function after the new thread latency is sampled.
Call notify_new_max_latency() after computing the thread latency.
Link: https://lkml.kernel.org/r/16e18d61d69073d0192ace07bf61e405cca96e9c.1680104184.git.bristot@kernel.org
Cc: stable@vger.kernel.org
Fixes: dae181349f1e ("tracing/osnoise: Support a list of trace_array *tr")
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
If the compiler decides not to inline this function then preemption
tracing will always show an IP inside the preemption disabling path and
never the function actually calling preempt_{enable,disable}.
Link: https://lore.kernel.org/linux-trace-kernel/20230327173647.1690849-1-john@metanate.com
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: stable@vger.kernel.org
Fixes: f904f58263e1d ("sched/debug: Fix preempt_disable_ip recording for preempt_disable()")
Signed-off-by: John Keeping <john@metanate.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
When user reads file 'trace_pipe', kernel keeps printing following logs
that warn at "cpu_buffer->reader_page->read > rb_page_size(reader)" in
rb_get_reader_page(). It just looks like there's an infinite loop in
tracing_read_pipe(). This problem occurs several times on arm64 platform
when testing v5.10 and below.
Call trace:
rb_get_reader_page+0x248/0x1300
rb_buffer_peek+0x34/0x160
ring_buffer_peek+0xbc/0x224
peek_next_entry+0x98/0xbc
__find_next_entry+0xc4/0x1c0
trace_find_next_entry_inc+0x30/0x94
tracing_read_pipe+0x198/0x304
vfs_read+0xb4/0x1e0
ksys_read+0x74/0x100
__arm64_sys_read+0x24/0x30
el0_svc_common.constprop.0+0x7c/0x1bc
do_el0_svc+0x2c/0x94
el0_svc+0x20/0x30
el0_sync_handler+0xb0/0xb4
el0_sync+0x160/0x180
Then I dump the vmcore and look into the problematic per_cpu ring_buffer,
I found that tail_page/commit_page/reader_page are on the same page while
reader_page->read is obviously abnormal:
tail_page == commit_page == reader_page == {
.write = 0x100d20,
.read = 0x8f9f4805, // Far greater than 0xd20, obviously abnormal!!!
.entries = 0x10004c,
.real_end = 0x0,
.page = {
.time_stamp = 0x857257416af0,
.commit = 0xd20, // This page hasn't been full filled.
// .data[0...0xd20] seems normal.
}
}
The root cause is most likely the race that reader and writer are on the
same page while reader saw an event that not fully committed by writer.
To fix this, add memory barriers to make sure the reader can see the
content of what is committed. Since commit a0fcaaed0c46 ("ring-buffer: Fix
race between reset page and reading page") has added the read barrier in
rb_get_reader_page(), here we just need to add the write barrier.
Link: https://lore.kernel.org/linux-trace-kernel/20230325021247.2923907-1-zhengyejian1@huawei.com
Cc: stable@vger.kernel.org
Fixes: 77ae365eca89 ("ring-buffer: make lockless")
Suggested-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Currently, the "last_cmd" variable can be accessed by multiple processes
asynchronously when multiple users manipulate synthetic_events node
at the same time, it could lead to use-after-free or double-free.
This patch add "lastcmd_mutex" to prevent "last_cmd" from being accessed
asynchronously.
================================================================
It's easy to reproduce in the KASAN environment by running the two
scripts below in different shells.
script 1:
while :
do
echo -n -e '\x88' > /sys/kernel/tracing/synthetic_events
done
script 2:
while :
do
echo -n -e '\xb0' > /sys/kernel/tracing/synthetic_events
done
================================================================
double-free scenario:
process A process B
------------------- ---------------
1.kstrdup last_cmd
2.free last_cmd
3.free last_cmd(double-free)
================================================================
use-after-free scenario:
process A process B
------------------- ---------------
1.kstrdup last_cmd
2.free last_cmd
3.tracing_log_err(use-after-free)
================================================================
Appendix 1. KASAN report double-free:
BUG: KASAN: double-free in kfree+0xdc/0x1d4
Free of addr ***** by task sh/4879
Call trace:
...
kfree+0xdc/0x1d4
create_or_delete_synth_event+0x60/0x1e8
trace_parse_run_command+0x2bc/0x4b8
synth_events_write+0x20/0x30
vfs_write+0x200/0x830
...
Allocated by task 4879:
...
kstrdup+0x5c/0x98
create_or_delete_synth_event+0x6c/0x1e8
trace_parse_run_command+0x2bc/0x4b8
synth_events_write+0x20/0x30
vfs_write+0x200/0x830
...
Freed by task 5464:
...
kfree+0xdc/0x1d4
create_or_delete_synth_event+0x60/0x1e8
trace_parse_run_command+0x2bc/0x4b8
synth_events_write+0x20/0x30
vfs_write+0x200/0x830
...
================================================================
Appendix 2. KASAN report use-after-free:
BUG: KASAN: use-after-free in strlen+0x5c/0x7c
Read of size 1 at addr ***** by task sh/5483
sh: CPU: 7 PID: 5483 Comm: sh
...
__asan_report_load1_noabort+0x34/0x44
strlen+0x5c/0x7c
tracing_log_err+0x60/0x444
create_or_delete_synth_event+0xc4/0x204
trace_parse_run_command+0x2bc/0x4b8
synth_events_write+0x20/0x30
vfs_write+0x200/0x830
...
Allocated by task 5483:
...
kstrdup+0x5c/0x98
create_or_delete_synth_event+0x80/0x204
trace_parse_run_command+0x2bc/0x4b8
synth_events_write+0x20/0x30
vfs_write+0x200/0x830
...
Freed by task 5480:
...
kfree+0xdc/0x1d4
create_or_delete_synth_event+0x74/0x204
trace_parse_run_command+0x2bc/0x4b8
synth_events_write+0x20/0x30
vfs_write+0x200/0x830
...
Link: https://lore.kernel.org/linux-trace-kernel/20230321110444.1587-1-Tze-nan.Wu@mediatek.com
Fixes: 27c888da9867 ("tracing: Remove size restriction on synthetic event cmd error logging")
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Cc: "Tom Zanussi" <zanussi@kernel.org>
Signed-off-by: Tze-nan Wu <Tze-nan.Wu@mediatek.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Add the IRQCHIP_SKIP_SET_WAKE flag since there are no special IRQ Wake
bits that can be set to enable wakeup IRQ.
Fixes: 3d9edf09d452 ("[ARM] 4457/2: davinci: GPIO support")
Signed-off-by: Dhruva Gole <d-gole@ti.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
The interrupt enable bits might be set if we want to use the GPIO as
wakeup source. Clearing this will mean disabling of interrupts in the GPIO
banks that we may want to wakeup from.
Thus remove the line that was clearing this bit from the driver's save
context function.
Cc: Devarsh Thakkar <devarsht@ti.com>
Fixes: 0651a730924b ("gpio: davinci: Add support for system suspend/resume PM")
Signed-off-by: Dhruva Gole <d-gole@ti.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Currently ath11k breaks after hibernation, the reason being that ath11k expects
that the wireless device will have power during suspend and the firmware will
continue running. But of course during hibernation the power from the device is
cut off and firmware is not running when resuming, so ath11k will fail.
(The reason why ath11k needs the firmware running is the interaction between
mac80211 and MHI stack, it's a long story and more info in the bugzilla report.)
In SUSE kernels the watchdog timeout is reduced from the default 120 to 60 seconds:
CONFIG_DPM_WATCHDOG_TIMEOUT=60
But as the ath11k MHI timeout is 90 seconds the kernel will crash before will
ath11k will recover in resume callback. To avoid the crash reduce the MHI
timeout to just 20 seconds.
Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.9
Link: https://bugzilla.kernel.org/show_bug.cgi?id=214649
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230329162038.8637-1-kvalo@kernel.org
From the commit message adding the first s2idle quirks:
> Lenovo laptops that contain NVME SSDs across a variety of generations have
> trouble resuming from suspend to idle when the IOMMU translation layer is
> active for the NVME storage device.
>
> This generally manifests as a large resume delay or page faults. These
> delays and page faults occur as a result of a Lenovo BIOS specific SMI
> that runs during the D3->D0 transition on NVME devices.
Add the DMI ids for another variant of the T14s Gen1, which also needs
the s2idle quirk.
Link: https://lore.kernel.org/all/20220503183420.348-1-mario.limonciello@amd.com/
Link: https://bbs.archlinux.org/viewtopic.php?pid=2084655#p2084655
Signed-off-by: Benjamin Asbach <asbachb.kernel@impl.it>
Tested-by: Benjamin Asbach <asbachb.kernel@impl.it>
Link: https://lore.kernel.org/r/20230331232447.37204-1-asbachb.kernel@impl.it
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
On ThinkStations on retrieving the attribute value the BIOS appends the
possible values to the string.
Clean up the display in the current_value_show function so the options
part is not displayed.
Fixes: a40cd7ef22fb ("platform/x86: think-lmi: Add WMI interface support on Lenovo platforms")
Reported by Mario Limoncello <Mario.Limonciello@amd.com>
Link: https://github.com/fwupd/fwupd/issues/5077#issuecomment-1488730526
Signed-off-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://lore.kernel.org/r/20230403013120.2105-2-mpearson-lenovo@squebb.ca
Tested-by: Mario Limonciello <mario.limonciello@amd.com>
Tested-by: Mirsad Goran Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
My previous commit introduced a memory leak where the item allocated
from tlmi_setting was not freed.
This commit also renames it to avoid confusion with the similarly name
variable in the same function.
Fixes: 8a02d70679fc ("platform/x86: think-lmi: Add possible_values for ThinkStation")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Link: https://lore.kernel.org/lkml/df26ff45-8933-f2b3-25f4-6ee51ccda7d8@gmx.de/T/
Signed-off-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://lore.kernel.org/r/20230403013120.2105-1-mpearson-lenovo@squebb.ca
Tested-by: Mario Limonciello <mario.limonciello@amd.com>
Tested-by: Mirsad Goran Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
When retriving a item string with tlmi_setting(), the result has to be
freed using kfree(). In current_value_show() however, malformed
item strings are not freed, causing a memory leak.
Fix this by eliminating the early return responsible for this.
Reported-by: Mirsad Goran Todorovac <mirsad.todorovac@alu.unizg.hr>
Link: https://lore.kernel.org/platform-driver-x86/01e920bc-5882-ba0c-dd15-868bf0eca0b8@alu.unizg.hr/T/#t
Tested-by: Mirsad Goran Todorovac <mirsad.todorovac@alu.unizg.hr>
Fixes: 0fdf10e5fc96 ("platform/x86: think-lmi: Split current_value to reflect only the value")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20230331213319.41040-1-W_Armin@gmx.de
Tested-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
On the remote side, when QRTR socket is removed, af_qrtr will call
qrtr_port_remove() which broadcasts the DEL_CLIENT packet to all neighbours
including local NS. NS upon receiving the DEL_CLIENT packet, will remove
the lookups associated with the node:port and broadcasts the DEL_SERVER
packet.
But on the host side, due to the arrival of the DEL_CLIENT packet, the NS
would've already deleted the server belonging to that port. So when the
remote's NS again broadcasts the DEL_SERVER for that port, it throws below
error message on the host:
"failed while handling packet from 2:-2"
So fix this error by not broadcasting the DEL_SERVER packet when the
DEL_CLIENT packet gets processed."
Fixes: 0c2204a4ad71 ("net: qrtr: Migrate nameservice to kernel from userspace")
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Ram Kumar Dharuman <quic_ramd@quicinc.com>
Signed-off-by: Sricharan Ramabadhran <quic_srichara@quicinc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The HG MXPD-483II 1310nm SFP module is meant to operate with 2500Base-X,
however, in their EEPROM they incorrectly specify:
Transceiver type : Ethernet: 1000BASE-LX
...
BR, Nominal : 2600MBd
Use sfp_quirk_2500basex for this module to allow 2500Base-X mode anyway.
https://forum.banana-pi.org/t/bpi-r3-sfp-module-compatibility/14573/60
Reported-by: chowtom <chowtom@gmail.com>
Tested-by: chowtom <chowtom@gmail.com>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
When considering whether to mark one context as stopped and another as
started we need to look at whether the previous and new _contexts_ are
different and not just requests. Otherwise the software tracked context
start time was incorrectly updated to the most recent lite-restore time-
stamp, which was in some cases resulting in active time going backward,
until the context switch (typically the heartbeat pulse) would synchronise
with the hardware tracked context runtime. Easiest use case to observe
this behaviour was with a full screen clients with close to 100% engine
load.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Fixes: bb6287cb1886 ("drm/i915: Track context current active time")
Cc: <stable@vger.kernel.org> # v5.19+
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230320151423.1708436-1-tvrtko.ursulin@linux.intel.com
[tursulin: Fix spelling in commit msg.]
(cherry picked from commit b3e70051879c665acdd3a1ab50d0ed58d6a8001f)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Userspace can guess the id value and try to race oa_config object creation
with config remove, resulting in a use-after-free if we dereference the
object after unlocking the metrics_lock. For that reason, unlocking the
metrics_lock must be done after we are done dereferencing the object.
Signed-off-by: Min Li <lm0963hack@gmail.com>
Fixes: f89823c21224 ("drm/i915/perf: Implement I915_PERF_ADD/REMOVE_CONFIG interface")
Cc: <stable@vger.kernel.org> # v4.14+
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230328093627.5067-1-lm0963hack@gmail.com
[tursulin: Manually added stable tag.]
(cherry picked from commit 49f6f6483b652108bcb73accd0204a464b922395)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
For obvious reasons, we use compressed bpp instead of pipe bpp for
DSC DP SST case. Lets be consistent and use compressed bpp instead of
pipe bpp, also in DP MST DSC case.
Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Fixes: d51f25eb479a ("drm/i915: Add DSC support to MST path")
Link: https://patchwork.freedesktop.org/patch/msgid/20230327064217.24033-1-stanislav.lisovskiy@intel.com
(cherry picked from commit ea1deabc6f11575eb3375b454457eaa3c9837abc)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
In the rare case where we do a full GT reset after starting the HuC
load and before it completes (which basically boils down to i915 hanging
during init), we need to cancel the delayed load fence, as it will be
re-initialized in the post-reset recovery.
Fixes: 27536e03271d ("drm/i915/huc: track delayed HuC load with a fence")
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Alan Previn <alan.previn.teres.alexis@intel.com>
Reviewed-by: Alan Previn <alan.previn.teres.alexis@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230313205556.1174503-1-daniele.ceraolospurio@intel.com
(cherry picked from commit cdf7911f7dbcb37228409a63bf75630776c45a15)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Sparse complains with:
drivers/gpu/drm/i915/gem/i915_gem_ttm.c:1066:21: sparse:
expected restricted vm_fault_t [assigned] [usertype] ret
drivers/gpu/drm/i915/gem/i915_gem_ttm.c:1066:21: sparse: got int
Fixes: 516198d317d8 ("drm/i915: audit bo->resource usage v3")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230130101230.25347-1-matthew.auld@intel.com
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Acked-by: Christian König <ckoenig.leichtzumerken@gmail.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
(cherry picked from commit fde789e8339c60c8c58e5a71fa819fcfe52d839e)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Make sure all bo->base.pages entries are either NULL or pointing to a
valid page before calling drm_gem_shmem_put_pages().
Reported-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Cc: <stable@vger.kernel.org>
Fixes: 187d2929206e ("drm/panfrost: Add support for GPU heap allocations")
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210521093811.1018992-1-boris.brezillon@collabora.com
When smb2_lock request is canceled by smb2_cancel or smb2_close(),
ksmbd is missing deleting async_request_entry async_requests list.
Because calling init_smb2_rsp_hdr() in smb2_lock() mark ->synchronous
as true and then it will not be deleted in
ksmbd_conn_try_dequeue_request(). This patch add release_async_work() to
release the ones allocated for async work.
Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
The validity of sock should be checked before assignment to avoid incorrect
values. Commit 57569c37f0ad ("scsi: iscsi: iscsi_tcp: Fix null-ptr-deref
while calling getpeername()") introduced this change which may lead to
inconsistent values of tcp_sw_conn->sendpage and conn->datadgst_en.
Fix the issue by moving the position of the assignment.
Fixes: 57569c37f0ad ("scsi: iscsi: iscsi_tcp: Fix null-ptr-deref while calling getpeername()")
Signed-off-by: Zhong Jinghua <zhongjinghua@huawei.com>
Link: https://lore.kernel.org/r/20230329071739.2175268-1-zhongjinghua@huaweicloud.com
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
There is a memory leak reported by kmemleak:
unreferenced object 0xffffc900003f0000 (size 12288):
comm "modprobe", pid 19117, jiffies 4299751452 (age 42490.264s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<00000000629261a8>] __vmalloc_node_range+0xe56/0x1110
[<0000000001906886>] __vmalloc_node+0xbd/0x150
[<000000005bb4dc34>] vmalloc+0x25/0x30
[<00000000a2dc1194>] qla2x00_create_host+0x7a0/0xe30 [qla2xxx]
[<0000000062b14b47>] qla2x00_probe_one+0x2eb8/0xd160 [qla2xxx]
[<00000000641ccc04>] local_pci_probe+0xeb/0x1a0
The root cause is traced to an error-handling path in qla2x00_probe_one()
when the adapter "base_vha" initialize failed. The fab_scan_rp "scan.l" is
used to record the port information and it is allocated in
qla2x00_create_host(). However, it is not released in the error handling
path "probe_failed".
Fix this by freeing the memory of "scan.l" when an error occurs in the
adapter initialization process.
Fixes: a4239945b8ad ("scsi: qla2xxx: Add switch command to simplify fabric discovery")
Signed-off-by: Li Zetao <lizetao1@huawei.com>
Link: https://lore.kernel.org/r/20230325110004.363898-1-lizetao1@huawei.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The driver is exiting from the fault watchdog thread if it sees the 0xF002
(Soft reset in progress) fault code.
If the driver initiates the soft reset, then the driver restarts the
watchdog at the end of the soft reset completion. However, if the soft
reset is initiated by the firmware asynchronously, then the driver will
never restart the watchdog and never re-initialize the controller after the
asynchronous soft reset completion.
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20230331122317.11391-1-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Merge tag 'for-6.3-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- scan block devices in non-exclusive mode to avoid temporary mkfs
failures
- fix race between quota disable and quota assign ioctls
- fix deadlock when aborting transaction during relocation with scrub
- ignore fiemap path cache when there are multiple paths for a node
* tag 'for-6.3-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: ignore fiemap path cache when there are multiple paths for a node
btrfs: fix deadlock when aborting transaction during relocation with scrub
btrfs: scan device in non-exclusive mode
btrfs: fix race between quota disable and quota assign ioctls
This reverts commit a837e5161cff, which broke probing of the venus
driver, at least on the SC7180 SoC HP X2 Chromebook:
qcom-venus aa00000.video-codec: Adding to iommu group 11
qcom-venus aa00000.video-codec: non legacy binding
qcom-venus aa00000.video-codec: failed to reset venus core
qcom-venus: probe of aa00000.video-codec failed with error -110
Matthias Kaehlcke also reported that the same change caused a regression
in SC7180 and sc7280, that prevents AOSS from entering sleep mode during
system suspend. So let's revert this commit for now to fix both issues.
Fixes: a837e5161cff ("venus: firmware: Correct non-pix start and end addresses")
Reported-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Here are 3 small changes for 6.3-rc5 semi-related to driver core stuff:
- documentation update where we move the security_bugs file to a more
relevant location.
- mdt/spi-nor debugfs memory leak fix that's been floating around for
a long time and acked by the maintainer
- cacheinfo bugfix for a regression in 6.3-rc1
All have been in linux-next with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here are three small changes for 6.3-rc5 semi-related to driver core
stuff:
- documentation update where we move the security_bugs file to a more
relevant location.
- mdt/spi-nor debugfs memory leak fix that's been floating around for
a long time and acked by the maintainer
- cacheinfo bugfix for a regression in 6.3-rc1
All have been in linux-next with no reported problems"
* tag 'driver-core-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
cacheinfo: Fix LLC is not exported through sysfs
Documentation/security-bugs: move from admin-guide/ to process/
mtd: spi-nor: fix memory leak when using debugfs_lookup()
- Fix a false positive warning in __pte_needs_flush() (with DEBUG_VM=y).
- Fix oops when a PF_IO_WORKER thread tries to core dump.
- Don't try to reconfigure VAS when it's disabled.
Thanks to: Benjamin Gray, Haren Myneni, Jens Axboe, Nathan Lynch, Russell Currey.
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Merge tag 'powerpc-6.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix a false positive warning in __pte_needs_flush() (with DEBUG_VM=y)
- Fix oops when a PF_IO_WORKER thread tries to core dump
- Don't try to reconfigure VAS when it's disabled
Thanks to Benjamin Gray, Haren Myneni, Jens Axboe, Nathan Lynch, and
Russell Currey.
* tag 'powerpc-6.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/pseries/vas: Ignore VAS update for DLPAR if copy/paste is not enabled
powerpc: Don't try to copy PPR for task with NULL pt_regs
powerpc/64s: Fix __pte_needs_flush() false positive warning
This patch fixes a corner case where the asoc out stream count may change
after wait_for_sndbuf.
When the main thread in the client starts a connection, if its out stream
count is set to N while the in stream count in the server is set to N - 2,
another thread in the client keeps sending the msgs with stream number
N - 1, and waits for sndbuf before processing INIT_ACK.
However, after processing INIT_ACK, the out stream count in the client is
shrunk to N - 2, the same to the in stream count in the server. The crash
occurs when the thread waiting for sndbuf is awake and sends the msg in a
non-existing stream(N - 1), the call trace is as below:
KASAN: null-ptr-deref in range [0x0000000000000038-0x000000000000003f]
Call Trace:
<TASK>
sctp_cmd_send_msg net/sctp/sm_sideeffect.c:1114 [inline]
sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1777 [inline]
sctp_side_effects net/sctp/sm_sideeffect.c:1199 [inline]
sctp_do_sm+0x197d/0x5310 net/sctp/sm_sideeffect.c:1170
sctp_primitive_SEND+0x9f/0xc0 net/sctp/primitive.c:163
sctp_sendmsg_to_asoc+0x10eb/0x1a30 net/sctp/socket.c:1868
sctp_sendmsg+0x8d4/0x1d90 net/sctp/socket.c:2026
inet_sendmsg+0x9d/0xe0 net/ipv4/af_inet.c:825
sock_sendmsg_nosec net/socket.c:722 [inline]
sock_sendmsg+0xde/0x190 net/socket.c:745
The fix is to add an unlikely check for the send stream number after the
thread wakes up from the wait_for_sndbuf.
Fixes: 5bbbbe32a431 ("sctp: introduce stream scheduler foundations")
Reported-by: syzbot+47c24ca20a2fa01f082e@syzkaller.appspotmail.com
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Based on further tests, it seems that the QDMA shaper is not able to
perform shaping close to the MAC link rate without throughput loss.
This cannot be compensated by increasing the shaping rate, so it seems
to be an internal limit.
Fix the remaining throughput regression by detecting that condition and
limiting shaping to ports with lower link speed.
This patch intentionally ignores link speed gain from TRGMII, because
even on such links, shaping to 1000 Mbit/s incurs some throughput
degradation.
Fixes: f63959c7eec3 ("net: ethernet: mtk_eth_soc: implement multi-queue support for per-port queues")
Tested-By: Frank Wunderlich <frank-w@public-files.de>
Reported-by: Frank Wunderlich <frank-w@public-files.de>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: David S. Miller <davem@davemloft.net>
The force watchdog event bit is not cleared during SW reset in the
mv88e6393x switch. This is a different behavior compared to mv886390 which
clears the force WD event bit as advertised. This causes a force WD event
to be handled over and over again as the SW reset following the event never
clears the force WD event bit.
Explicitly clear the watchdog event register to 0 in irq_action when
handling an event to prevent the switch from sending continuous interrupts.
Marvell aren't aware of any other stuck bits apart from the force WD
bit.
Fixes: de776d0d316f ("net: dsa: mv88e6xxx: add support for mv88e6393x family"
Signed-off-by: Gustav Ekelund <gustaek@axis.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 0db3dc73f7a3 ("[NETPOLL]: tx lock deadlock fix") narrowed
down the region under netif_tx_trylock() inside netpoll_send_skb().
(At that point in time netif_tx_trylock() would lock all queues of
the device.) Taking the tx lock was problematic because driver's
cleanup method may take the same lock. So the change made us hold
the xmit lock only around xmit, and expected the driver to take
care of locking within ->ndo_poll_controller().
Unfortunately this only works if netpoll isn't itself called with
the xmit lock already held. Netpoll code is careful and uses
trylock(). The drivers, however, may be using plain lock().
Printing while holding the xmit lock is going to result in rare
deadlocks.
Luckily we record the xmit lock owners, so we can scan all the queues,
the same way we scan NAPI owners. If any of the xmit locks is held
by the local CPU we better not attempt any polling.
It would be nice if we could narrow down the check to only the NAPIs
and the queue we're trying to use. I don't see a way to do that now.
Reported-by: Roman Gushchin <roman.gushchin@linux.dev>
Fixes: 0db3dc73f7a3 ("[NETPOLL]: tx lock deadlock fix")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When removing provided buffers, io_buffer structs are not being disposed
of, leading to a memory leak. They can't be freed individually, because
they are allocated in page-sized groups. They need to be added to some
free list instead, such as io_buffers_cache. All callers already hold
the lock protecting it, apart from when destroying buffers, so had to
extend the lock there.
Fixes: cc3cec8367cb ("io_uring: speedup provided buffer handling")
Signed-off-by: Wojciech Lukowicz <wlukowicz01@gmail.com>
Link: https://lore.kernel.org/r/20230401195039.404909-2-wlukowicz01@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
When a request to remove buffers is submitted, and the given number to be
removed is larger than available in the specified buffer group, the
resulting CQE result will be the number of removed buffers + 1, which is
1 more than it should be.
Previously, the head was part of the list and it got removed after the
loop, so the increment was needed. Now, the head is not an element of
the list, so the increment shouldn't be there anymore.
Fixes: dbc7d452e7cf ("io_uring: manage provided buffers strictly ordered")
Signed-off-by: Wojciech Lukowicz <wlukowicz01@gmail.com>
Link: https://lore.kernel.org/r/20230401195039.404909-2-wlukowicz01@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Merge tag '6.3-rc4-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs client fixes from Steve French:
"Four cifs/smb3 client (reconnect and DFS related) fixes, including two
for stable:
- DFS oops fix
- DFS reconnect recursion fix
- An SMB1 parallel reconnect fix
- Trivial dead code removal in smb2_reconnect"
* tag '6.3-rc4-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: get rid of dead check in smb2_reconnect()
cifs: prevent infinite recursion in CIFSGetDFSRefer()
cifs: avoid races in parallel reconnects in smb1
cifs: fix DFS traversal oops without CONFIG_CIFS_DFS_UPCALL
- fixes to ALPS and Focaltech PS/2 drivers dealing with the breakage of
switching to -funsigned-char
- quirks to i8042 to better handle Lifebook A574/H and TUXEDO devices
- a quirk to Goodix touchscreen driver to handle Yoga Book X90F
- a fix for incorrectly merged patch to xpad game controller driver
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Merge tag 'input-for-v6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- fixes to ALPS and Focaltech PS/2 drivers dealing with the breakage of
switching to -funsigned-char
- quirks to i8042 to better handle Lifebook A574/H and TUXEDO devices
- a quirk to Goodix touchscreen driver to handle Yoga Book X90F
- a fix for incorrectly merged patch to xpad game controller driver
* tag 'input-for-v6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: i8042 - add TUXEDO devices to i8042 quirk tables for partial fix
Input: alps - fix compatibility with -funsigned-char
Input: focaltech - use explicitly signed char type
Input: xpad - fix incorrectly applied patch for MAP_PROFILE_BUTTON
Input: goodix - add Lenovo Yoga Book X90F to nine_bytes_report DMI table
Input: i8042 - add quirk for Fujitsu Lifebook A574/H
- Fix up the Kconfig options for MediaTek MT7981.
- Fix the irq domain name in the AT91-PIO4 driver.
- Fix some alternative muxing modes in the Ocelot
driver.
- Allocate the GPIO numbers dynamically in the STM32
driver.
- Disable and mask interrupts on resume in the AMD
driver.
- Fix a typo in the Qualcomm SM8550 pin control
device tree bindings.
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Merge tag 'pinctrl-v6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"Some pin control fixes for the v6.3 series.
The most notable and urgent one is probably the AMD fix which affects
AMD laptops, found by the Chromium people.
Summary:
- Fix up the Kconfig options for MediaTek MT7981
- Fix the irq domain name in the AT91-PIO4 driver
- Fix some alternative muxing modes in the Ocelot driver
- Allocate the GPIO numbers dynamically in the STM32 driver
- Disable and mask interrupts on resume in the AMD driver
- Fix a typo in the Qualcomm SM8550 pin control device tree bindings"
* tag 'pinctrl-v6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
dt-bindings: pinctrl: qcom,sm8550-lpass-lpi: allow input-enabled and bias-bus-hold
pinctrl: amd: Disable and mask interrupts on resume
pinctrl: stm32: use dynamic allocation of GPIO base
pinctrl: ocelot: Fix alt mode for ocelot
pinctrl: at91-pio4: fix domain name assignment
pinctrl: mediatek: fix naming inconsistency
pinctrl: mediatek: add missing options to PINCTRL_MT7981
- Fix linux-headers debian package
- Fix a merge_config.sh error due to a misspelled variable
- Fix modversion for 32-bit build machines
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Merge tag 'kbuild-fixes-v6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Fix linux-headers debian package
- Fix a merge_config.sh error due to a misspelled variable
- Fix modversion for 32-bit build machines
* tag 'kbuild-fixes-v6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
modpost: Fix processing of CRCs on 32-bit build machines
scripts: merge_config: Fix typo in variable name.
kbuild: deb-pkg: set version for linux-headers paths
Including:
- Maintainer update for S390 IOMMU driver
- A fix for the set_platform_dma_ops() call-back in the
Exynos IOMMU driver
- Intel VT-d fixes from Lu Baolu:
- Fix a lockdep splat
- Fix a supplement of the specification
- Fix a warning in perfmon code
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Merge tag 'iommu-fixes-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fixes from Joerg Roedel:
- Maintainer update for S390 IOMMU driver
- A fix for the set_platform_dma_ops() call-back in the Exynos
IOMMU driver
- Intel VT-d fixes from Lu Baolu:
- Fix a lockdep splat
- Fix a supplement of the specification
- Fix a warning in perfmon code
* tag 'iommu-fixes-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/vt-d: Fix an IOMMU perfmon warning when CPU hotplug
iommu/vt-d: Allow zero SAGAW if second-stage not supported
iommu/vt-d: Remove unnecessary locking in intel_irq_remapping_alloc()
iommu/exynos: Fix set_platform_dma_ops() callback
MAINTAINERS: Update s390-iommu driver maintainer information
When a DRM driver turns on or off the screen with the audio
capability, it notifies the ELD to HD-audio HDMI codec driver via
component ops. HDMI codec driver, in turn, attaches or detaches the
PCM stream for the given port on the fly.
The problem is that, since the recent code change, the HDMI driver
always treats the PCM stream assignment dynamically; this ended up the
confusion of the PCM device appearance. e.g. when a screen goes once
off and on again, it may appear on a different PCM device before the
screen-off. Although the application should treat such a change, it
doesn't seem working gracefully with the current pipewire (maybe
PulseAudio, too).
As a workaround, this patch changes the HDMI codec driver behavior
slightly to be more consistent. Now it remembers the previous PCM
slot for the given port and try to assign to it. That is, if a port
is re-enabled, the driver tries to use the same PCM slot that was
assigned to that port previously. If it conflicts, a new slot is
searched and used like before, instead.
Note that multiple monitor connections are the only typical case where
the PCM slot preservation is effective. As long as only a single
monitor is connected, the behavior isn't changed, and the first PCM
slot is still assigned always.
Fixes: ef6f5494faf6 ("ALSA: hda/hdmi: Use only dynamic PCM device allocation")
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217259
Link: https://lore.kernel.org/r/20230331142217.19791-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This reverts commit c5b959eeb7f9e40673b97c08c71cbfff5f5923f2.
Reverted change is required after commit 3948b05950fd ("net: introduce
a config option to tweak MAX_SKB_FRAGS") which does not exist
in this tree, yet. It's only present in -next trees at the time
of writing.
Reported-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/all/20230331214444.GA1426512@dev-arch.thelio-3990X/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
