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  1. 15 Jul, 2023 4 commits
    • Randy Dunlap's avatar
      devlink: fix kernel-doc notation warnings · 839f55c5
      Randy Dunlap authored 
      Spell function or struct member names correctly.
Use ':' instead of '-' for struct member entries.
Mark one field as private in kernel-doc.
Add a few entries that were missing.
Fix a typo.

These changes prevent kernel-doc warnings:

devlink.h:252: warning: Function parameter or member 'field_id' not described in 'devlink_dpipe_match'
devlink.h:267: warning: Function parameter or member 'field_id' not described in 'devlink_dpipe_action'
devlink.h:310: warning: Function parameter or member 'match_values_count' not described in 'devlink_dpipe_entry'
devlink.h:355: warning: Function parameter or member 'list' not described in 'devlink_dpipe_table'
devlink.h:374: warning: Function parameter or member 'actions_dump' not described in 'devlink_dpipe_table_ops'
devlink.h:374: warning: Function parameter or member 'matches_dump' not described in 'devlink_dpipe_table_ops'
devlink.h:374: warning: Function parameter or member 'entries_dump' not described in 'devlink_dpipe_table_ops'
devlink.h:374: warning: Function parameter or member 'counters_set_update' not described in 'devlink_dpipe_table_ops'
devlink.h:374: warning: Function parameter or member 'size_get' not described in 'devlink_dpipe_table_ops'
devlink.h:384: warning: Function parameter or member 'headers' not described in 'devlink_dpipe_headers'
devlink.h:384: warning: Function parameter or member 'headers_count' not described in 'devlink_dpipe_headers'
devlink.h:398: warning: Function parameter or member 'unit' not described in 'devlink_resource_size_params'
devlink.h:487: warning: Function parameter or member 'id' not described in 'devlink_param'
devlink.h:645: warning: Function parameter or member 'overwrite_mask' not described in 'devlink_flash_update_params'

Fixes: 1555d204 ("devlink: Support for pipeline debug (dpipe)")
Fixes: d9f9b9a4 ("devlink: Add support for resource abstraction")
Fixes: eabaef18 ("devlink: Add devlink_param register and unregister")
Fixes: 5d5b4128 ("devlink: introduce flash update overwrite mask")
Signed-off-by: default avatarRandy Dunlap <rdunlap@infradead.org>
Cc: Jiri Pirko <jiri@resnulli.us>
Cc: Moshe Shemesh <moshe@mellanox.com>
Cc: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20230714045127.18752-5-rdunlap@infradead.orgSigned-off-by: default avatarJakub Kicinski <kuba@kernel.org>
      839f55c5
    • Randy Dunlap's avatar
      codel: fix kernel-doc notation warnings · cfe57122
      Randy Dunlap authored 
      Use '@' before the struct member names in kernel-doc notation
to prevent kernel-doc warnings.

codel.h:158: warning: Function parameter or member 'ecn_mark' not described in 'codel_stats'
codel.h:158: warning: Function parameter or member 'ce_mark' not described in 'codel_stats'

Fixes: 76e3cc12 ("codel: Controlled Delay AQM")
Signed-off-by: default avatarRandy Dunlap <rdunlap@infradead.org>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Cc: Dave Taht <dave.taht@bufferbloat.net>
Link: https://lore.kernel.org/r/20230714045127.18752-4-rdunlap@infradead.orgSigned-off-by: default avatarJakub Kicinski <kuba@kernel.org>
      cfe57122
    • Randy Dunlap's avatar
      net: cfg802154: fix kernel-doc notation warnings · a63e4044
      Randy Dunlap authored 
      Add an enum heading to the kernel-doc comments to prevent
kernel-doc warnings.

cfg802154.h:174: warning: Cannot understand  * @WPAN_PHY_FLAG_TRANSMIT_POWER: Indicates that transceiver will support
 on line 174 - I thought it was a doc line

cfg802154.h:192: warning: Enum value 'WPAN_PHY_FLAG_TXPOWER' not described in enum 'wpan_phy_flags'
cfg802154.h:192: warning: Excess enum value 'WPAN_PHY_FLAG_TRANSMIT_POWER' description in 'wpan_phy_flags'

Fixes: edea8f7c ("cfg802154: introduce wpan phy flags")
Signed-off-by: default avatarRandy Dunlap <rdunlap@infradead.org>
Cc: Alexander Aring <alex.aring@gmail.com>
Cc: Stefan Schmidt <stefan@datenfreihafen.org>
Cc: Marcel Holtmann <marcel@holtmann.org>
Acked-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20230714045127.18752-3-rdunlap@infradead.orgSigned-off-by: default avatarJakub Kicinski <kuba@kernel.org>
      a63e4044
    • Randy Dunlap's avatar
      net: bonding: remove kernel-doc comment marker · a66557c7
      Randy Dunlap authored 
      Change an errant kernel-doc comment marker (/**) to a regular
comment to prevent a kernel-doc warning.

bonding.h:282: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
 * Returns NULL if the net_device does not belong to any of the bond's slaves

Fixes: 1da177e4 ("Linux-2.6.12-rc2")
Signed-off-by: default avatarRandy Dunlap <rdunlap@infradead.org>
Cc: Jay Vosburgh <j.vosburgh@gmail.com>
Cc: Andy Gospodarek <andy@greyhouse.net>
Link: https://lore.kernel.org/r/20230714045127.18752-2-rdunlap@infradead.orgSigned-off-by: default avatarJakub Kicinski <kuba@kernel.org>
      a66557c7
  3. 14 Jul, 2023 9 commits
  5. 13 Jul, 2023 17 commits
  7. 12 Jul, 2023 10 commits
    • Jiawen Wu's avatar
      net: txgbe: fix eeprom calculation error · aa846677
      Jiawen Wu authored 
      For some device types like TXGBE_ID_XAUI, *checksum computed in
txgbe_calc_eeprom_checksum() is larger than TXGBE_EEPROM_SUM. Remove the
limit on the size of *checksum.

Fixes: 049fe536 ("net: txgbe: Add operations to interact with firmware")
Fixes: 5e2ea780 ("net: txgbe: Fix unsigned comparison to zero in txgbe_calc_eeprom_checksum()")
Signed-off-by: default avatarJiawen Wu <jiawenwu@trustnetic.com>
Link: https://lore.kernel.org/r/20230711063414.3311-1-jiawenwu@trustnetic.comSigned-off-by: default avatarJakub Kicinski <kuba@kernel.org>
      aa846677
    • Linus Torvalds's avatar
      Merge tag 'for-linus' of https://github.com/openrisc/linux · 0099852f
      Linus Torvalds authored 
      Pull OpenRISC fix from Stafford Horne:

 - During the 6.4 cycle my fpu support work broke ABI compatibility in
   the sigcontext struct. This was noticed by musl libc developers after
   the release. This fix restores the ABI.

* tag 'for-linus' of https://github.com/openrisc/linux:
  openrisc: Union fpcsr and oldmask in sigcontext to unbreak userspace ABI
      0099852f
    • Mohamed Khalfella's avatar
      tracing/histograms: Add histograms to hist_vars if they have referenced variables · 6018b585
      Mohamed Khalfella authored 
      Hist triggers can have referenced variables without having direct
variables fields. This can be the case if referenced variables are added
for trigger actions. In this case the newly added references will not
have field variables. Not taking such referenced variables into
consideration can result in a bug where it would be possible to remove
hist trigger with variables being refenced. This will result in a bug
that is easily reproducable like so

$ cd /sys/kernel/tracing
$ echo 'synthetic_sys_enter char[] comm; long id' >> synthetic_events
$ echo 'hist:keys=common_pid.execname,id.syscall:vals=hitcount:comm=common_pid.execname' >> events/raw_syscalls/sys_enter/trigger
$ echo 'hist:keys=common_pid.execname,id.syscall:onmatch(raw_syscalls.sys_enter).synthetic_sys_enter($comm, id)' >> events/raw_syscalls/sys_enter/trigger
$ echo '!hist:keys=common_pid.execname,id.syscall:vals=hitcount:comm=common_pid.execname' >> events/raw_syscalls/sys_enter/trigger

[  100.263533] ==================================================================
[  100.264634] BUG: KASAN: slab-use-after-free in resolve_var_refs+0xc7/0x180
[  100.265520] Read of size 8 at addr ffff88810375d0f0 by task bash/439
[  100.266320]
[  100.266533] CPU: 2 PID: 439 Comm: bash Not tainted 6.5.0-rc1 #4
[  100.267277] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-20220807_005459-localhost 04/01/2014
[  100.268561] Call Trace:
[  100.268902]  <TASK>
[  100.269189]  dump_stack_lvl+0x4c/0x70
[  100.269680]  print_report+0xc5/0x600
[  100.270165]  ? resolve_var_refs+0xc7/0x180
[  100.270697]  ? kasan_complete_mode_report_info+0x80/0x1f0
[  100.271389]  ? resolve_var_refs+0xc7/0x180
[  100.271913]  kasan_report+0xbd/0x100
[  100.272380]  ? resolve_var_refs+0xc7/0x180
[  100.272920]  __asan_load8+0x71/0xa0
[  100.273377]  resolve_var_refs+0xc7/0x180
[  100.273888]  event_hist_trigger+0x749/0x860
[  100.274505]  ? kasan_save_stack+0x2a/0x50
[  100.275024]  ? kasan_set_track+0x29/0x40
[  100.275536]  ? __pfx_event_hist_trigger+0x10/0x10
[  100.276138]  ? ksys_write+0xd1/0x170
[  100.276607]  ? do_syscall_64+0x3c/0x90
[  100.277099]  ? entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[  100.277771]  ? destroy_hist_data+0x446/0x470
[  100.278324]  ? event_hist_trigger_parse+0xa6c/0x3860
[  100.278962]  ? __pfx_event_hist_trigger_parse+0x10/0x10
[  100.279627]  ? __kasan_check_write+0x18/0x20
[  100.280177]  ? mutex_unlock+0x85/0xd0
[  100.280660]  ? __pfx_mutex_unlock+0x10/0x10
[  100.281200]  ? kfree+0x7b/0x120
[  100.281619]  ? ____kasan_slab_free+0x15d/0x1d0
[  100.282197]  ? event_trigger_write+0xac/0x100
[  100.282764]  ? __kasan_slab_free+0x16/0x20
[  100.283293]  ? __kmem_cache_free+0x153/0x2f0
[  100.283844]  ? sched_mm_cid_remote_clear+0xb1/0x250
[  100.284550]  ? __pfx_sched_mm_cid_remote_clear+0x10/0x10
[  100.285221]  ? event_trigger_write+0xbc/0x100
[  100.285781]  ? __kasan_check_read+0x15/0x20
[  100.286321]  ? __bitmap_weight+0x66/0xa0
[  100.286833]  ? _find_next_bit+0x46/0xe0
[  100.287334]  ? task_mm_cid_work+0x37f/0x450
[  100.287872]  event_triggers_call+0x84/0x150
[  100.288408]  trace_event_buffer_commit+0x339/0x430
[  100.289073]  ? ring_buffer_event_data+0x3f/0x60
[  100.292189]  trace_event_raw_event_sys_enter+0x8b/0xe0
[  100.295434]  syscall_trace_enter.constprop.0+0x18f/0x1b0
[  100.298653]  syscall_enter_from_user_mode+0x32/0x40
[  100.301808]  do_syscall_64+0x1a/0x90
[  100.304748]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8
[  100.307775] RIP: 0033:0x7f686c75c1cb
[  100.310617] Code: 73 01 c3 48 8b 0d 65 3c 10 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 21 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 35 3c 10 00 f7 d8 64 89 01 48
[  100.317847] RSP: 002b:00007ffc60137a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000021
[  100.321200] RAX: ffffffffffffffda RBX: 000055f566469ea0 RCX: 00007f686c75c1cb
[  100.324631] RDX: 0000000000000001 RSI: 0000000000000001 RDI: 000000000000000a
[  100.328104] RBP: 00007ffc60137ac0 R08: 00007f686c818460 R09: 000000000000000a
[  100.331509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[  100.334992] R13: 0000000000000007 R14: 000000000000000a R15: 0000000000000007
[  100.338381]  </TASK>

We hit the bug because when second hist trigger has was created
has_hist_vars() returned false because hist trigger did not have
variables. As a result of that save_hist_vars() was not called to add
the trigger to trace_array->hist_vars. Later on when we attempted to
remove the first histogram find_any_var_ref() failed to detect it is
being used because it did not find the second trigger in hist_vars list.

With this change we wait until trigger actions are created so we can take
into consideration if hist trigger has variable references. Also, now we
check the return value of save_hist_vars() and fail trigger creation if
save_hist_vars() fails.

Link: https://lore.kernel.org/linux-trace-kernel/20230712223021.636335-1-mkhalfella@purestorage.com

Cc: stable@vger.kernel.org
Fixes: 067fe038 ("tracing: Add variable reference handling to hist triggers")
Signed-off-by: default avatarMohamed Khalfella <mkhalfella@purestorage.com>
Signed-off-by: default avatarSteven Rostedt (Google) <rostedt@goodmis.org>
      6018b585
    • Pedro Tammela's avatar
      net/sched: make psched_mtu() RTNL-less safe · 150e33e6
      Pedro Tammela authored 
      Eric Dumazet says[1]:
-------
Speaking of psched_mtu(), I see that net/sched/sch_pie.c is using it
without holding RTNL, so dev->mtu can be changed underneath.
KCSAN could issue a warning.
-------

Annotate dev->mtu with READ_ONCE() so KCSAN don't issue a warning.

[1] https://lore.kernel.org/all/CANn89iJoJO5VtaJ-2=_d2aOQhb0Xw8iBT_Cxqp2HyuS-zj6azw@mail.gmail.com/

v1 -> v2: Fix commit message

Fixes: d4b36210 ("net: pkt_sched: PIE AQM scheme")
Suggested-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarPedro Tammela <pctammela@mojatatu.com>
Reviewed-by: default avatarSimon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230711021634.561598-1-pctammela@mojatatu.comSigned-off-by: default avatarJakub Kicinski <kuba@kernel.org>
      150e33e6
    • Krister Johansen's avatar
      net: ena: fix shift-out-of-bounds in exponential backoff · 1e9cb763
      Krister Johansen authored 
      The ENA adapters on our instances occasionally reset.  Once recently
logged a UBSAN failure to console in the process:

  UBSAN: shift-out-of-bounds in build/linux/drivers/net/ethernet/amazon/ena/ena_com.c:540:13
  shift exponent 32 is too large for 32-bit type 'unsigned int'
  CPU: 28 PID: 70012 Comm: kworker/u72:2 Kdump: loaded not tainted 5.15.117
  Hardware name: Amazon EC2 c5d.9xlarge/, BIOS 1.0 10/16/2017
  Workqueue: ena ena_fw_reset_device [ena]
  Call Trace:
  <TASK>
  dump_stack_lvl+0x4a/0x63
  dump_stack+0x10/0x16
  ubsan_epilogue+0x9/0x36
  __ubsan_handle_shift_out_of_bounds.cold+0x61/0x10e
  ? __const_udelay+0x43/0x50
  ena_delay_exponential_backoff_us.cold+0x16/0x1e [ena]
  wait_for_reset_state+0x54/0xa0 [ena]
  ena_com_dev_reset+0xc8/0x110 [ena]
  ena_down+0x3fe/0x480 [ena]
  ena_destroy_device+0xeb/0xf0 [ena]
  ena_fw_reset_device+0x30/0x50 [ena]
  process_one_work+0x22b/0x3d0
  worker_thread+0x4d/0x3f0
  ? process_one_work+0x3d0/0x3d0
  kthread+0x12a/0x150
  ? set_kthread_struct+0x50/0x50
  ret_from_fork+0x22/0x30
  </TASK>

Apparently, the reset delays are getting so large they can trigger a
UBSAN panic.

Looking at the code, the current timeout is capped at 5000us.  Using a
base value of 100us, the current code will overflow after (1<<29).  Even
at values before 32, this function wraps around, perhaps
unintentionally.

Cap the value of the exponent used for this backoff at (1<<16) which is
larger than currently necessary, but large enough to support bigger
values in the future.

Cc: stable@vger.kernel.org
Fixes: 4bb7f4cf ("net: ena: reduce driver load time")
Signed-off-by: default avatarKrister Johansen <kjlx@templeofstupid.com>
Reviewed-by: default avatarLeon Romanovsky <leonro@nvidia.com>
Reviewed-by: default avatarShay Agroskin <shayagr@amazon.com>
Link: https://lore.kernel.org/r/20230711013621.GE1926@templeofstupid.comSigned-off-by: default avatarJakub Kicinski <kuba@kernel.org>
      1e9cb763
    • Steven Rostedt (Google)'s avatar
      tracing: Stop FORTIFY_SOURCE complaining about stack trace caller · bec3c25c
      Steven Rostedt (Google) authored 
      The stack_trace event is an event created by the tracing subsystem to
store stack traces. It originally just contained a hard coded array of 8
words to hold the stack, and a "size" to know how many entries are there.
This is exported to user space as:

name: kernel_stack
ID: 4
format:
	field:unsigned short common_type;	offset:0;	size:2;	signed:0;
	field:unsigned char common_flags;	offset:2;	size:1;	signed:0;
	field:unsigned char common_preempt_count;	offset:3;	size:1;	signed:0;
	field:int common_pid;	offset:4;	size:4;	signed:1;

	field:int size;	offset:8;	size:4;	signed:1;
	field:unsigned long caller[8];	offset:16;	size:64;	signed:0;

print fmt: "\t=> %ps\n\t=> %ps\n\t=> %ps\n" "\t=> %ps\n\t=> %ps\n\t=> %ps\n" "\t=> %ps\n\t=> %ps\n",i
 (void *)REC->caller[0], (void *)REC->caller[1], (void *)REC->caller[2],
 (void *)REC->caller[3], (void *)REC->caller[4], (void *)REC->caller[5],
 (void *)REC->caller[6], (void *)REC->caller[7]

Where the user space tracers could parse the stack. The library was
updated for this specific event to only look at the size, and not the
array. But some older users still look at the array (note, the older code
still checks to make sure the array fits inside the event that it read.
That is, if only 4 words were saved, the parser would not read the fifth
word because it will see that it was outside of the event size).

This event was changed a while ago to be more dynamic, and would save a
full stack even if it was greater than 8 words. It does this by simply
allocating more ring buffer to hold the extra words. Then it copies in the
stack via:

	memcpy(&entry->caller, fstack->calls, size);

As the entry is struct stack_entry, that is created by a macro to both
create the structure and export this to user space, it still had the caller
field of entry defined as: unsigned long caller[8].

When the stack is greater than 8, the FORTIFY_SOURCE code notices that the
amount being copied is greater than the source array and complains about
it. It has no idea that the source is pointing to the ring buffer with the
required allocation.

To hide this from the FORTIFY_SOURCE logic, pointer arithmetic is used:

	ptr = ring_buffer_event_data(event);
	entry = ptr;
	ptr += offsetof(typeof(*entry), caller);
	memcpy(ptr, fstack->calls, size);

Link: https://lore.kernel.org/all/20230612160748.4082850-1-svens@linux.ibm.com/
Link: https://lore.kernel.org/linux-trace-kernel/20230712105235.5fc441aa@gandalf.local.home

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Reported-by: default avatarSven Schnelle <svens@linux.ibm.com>
Tested-by: default avatarSven Schnelle <svens@linux.ibm.com>
Signed-off-by: default avatarSteven Rostedt (Google) <rostedt@goodmis.org>
      bec3c25c
    • Zheng Yejian's avatar
      ftrace: Fix possible warning on checking all pages used in ftrace_process_locs() · 26efd79c
      Zheng Yejian authored 
      As comments in ftrace_process_locs(), there may be NULL pointers in
mcount_loc section:
 > Some architecture linkers will pad between
 > the different mcount_loc sections of different
 > object files to satisfy alignments.
 > Skip any NULL pointers.

After commit 20e5227e ("ftrace: allow NULL pointers in mcount_loc"),
NULL pointers will be accounted when allocating ftrace pages but skipped
before adding into ftrace pages, this may result in some pages not being
used. Then after commit 706c81f8 ("ftrace: Remove extra helper
functions"), warning may occur at:
  WARN_ON(pg->next);

To fix it, only warn for case that no pointers skipped but pages not used
up, then free those unused pages after releasing ftrace_lock.

Link: https://lore.kernel.org/linux-trace-kernel/20230712060452.3175675-1-zhengyejian1@huawei.com

Cc: stable@vger.kernel.org
Fixes: 706c81f8 ("ftrace: Remove extra helper functions")
Suggested-by: default avatarSteven Rostedt <rostedt@goodmis.org>
Signed-off-by: default avatarZheng Yejian <zhengyejian1@huawei.com>
Signed-off-by: default avatarSteven Rostedt (Google) <rostedt@goodmis.org>
      26efd79c
    • Dan Carpenter's avatar
      netdevsim: fix uninitialized data in nsim_dev_trap_fa_cookie_write() · f72207a5
      Dan Carpenter authored 
      The simple_write_to_buffer() function is designed to handle partial
writes.  It returns negatives on error, otherwise it returns the number
of bytes that were able to be copied.  This code doesn't check the
return properly.  We only know that the first byte is written, the rest
of the buffer might be uninitialized.

There is no need to use the simple_write_to_buffer() function.
Partial writes are prohibited by the "if (*ppos != 0)" check at the
start of the function.  Just use memdup_user() and copy the whole
buffer.

Fixes: d3cbb907 ("netdevsim: add ACL trap reporting cookie as a metadata")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: default avatarPavan Chebbi <pavan.chebbi@broadcom.com>
Reviewed-by: default avatarIdo Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/r/7c1f950b-3a7d-4252-82a6-876e53078ef7@moroto.mountainSigned-off-by: default avatarJakub Kicinski <kuba@kernel.org>
      f72207a5
    • Linus Torvalds's avatar
      Merge tag 'platform-drivers-x86-v6.5-2' of... · eb26cbb1
      Linus Torvalds authored 
      Merge tag 'platform-drivers-x86-v6.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver fixes from Hans de Goede:
 "Misc small fixes and hw-id additions"

* tag 'platform-drivers-x86-v6.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86: touchscreen_dmi: Add info for the Archos 101 Cesium Educ tablet
  platform/x86: dell-ddv: Fix mangled list in documentation
  platform/x86: dell-ddv: Improve error handling
  platform/x86/amd: pmf: Add new ACPI ID AMDI0103
  platform/x86/amd: pmc: Add new ACPI ID AMDI000A
  platform/x86/amd: pmc: Apply nvme quirk to HP 15s-eq2xxx
  platform/x86: Move s2idle quirk from thinkpad-acpi to amd-pmc
  platform/x86: int3472/discrete: set variable skl_int3472_regulator_second_sensor storage-class-specifier to static
  platform/x86/intel/tpmi: Prevent overflow for cap_offset
  platform/x86: wmi: Replace open coded guid_parse_and_compare()
  platform/x86: wmi: Break possible infinite loop when parsing GUID
      eb26cbb1
    • Linus Torvalds's avatar
      Merge tag 'probes-fixes-v6.5-rc1' of... · 9a3236ce
      Linus Torvalds authored 
      Merge tag 'probes-fixes-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull probes fixes from Masami Hiramatsu:

 - Fix fprobe's rethook release issues:

     - Release rethook after ftrace_ops is unregistered so that the
       rethook is not accessed after free.

     - Stop rethook before ftrace_ops is unregistered so that the
       rethook is NOT used after exiting unregister_fprobe()

 - Fix eprobe cleanup logic. If it attaches to multiple events and
   failes to enable one of them, rollback all enabled events correctly.

 - Fix fprobe to unlock ftrace recursion lock correctly when it missed
   by another running kprobe.

 - Cleanup kprobe to remove unnecessary NULL.

 - Cleanup kprobe to remove unnecessary 0 initializations.

* tag 'probes-fixes-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  fprobe: Ensure running fprobe_exit_handler() finished before calling rethook_free()
  kernel: kprobes: Remove unnecessary ‘0’ values
  kprobes: Remove unnecessary ‘NULL’ values from correct_ret_addr
  fprobe: add unlock to match a succeeded ftrace_test_recursion_trylock
  kernel/trace: Fix cleanup logic of enable_trace_eprobe
  fprobe: Release rethook after the ftrace_ops is unregistered
      9a3236ce
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