Commit Graph

1125700 Commits

Author SHA1 Message Date
Greg Kroah-Hartman
5a258e1dd7 Linux 6.0-rc2
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Merge tag 'v6.0-rc2' into android-mainline

Linux 6.0-rc2

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Id0f5be4d9f97c77d94d31285003129ad1a737fe9
2022-08-29 12:23:02 +02:00
Guru Das Srinagesh
30b1f7bf2b UPSTREAM: scripts/clang-tools: Remove DeprecatedOrUnsafeBufferHandling check
This `clang-analyzer` check flags the use of memset(), suggesting a more
secure version of the API, such as memset_s(), which does not exist in
the kernel:

  warning: Call to function 'memset' is insecure as it does not provide
  security checks introduced in the C11 standard. Replace with analogous
  functions that support length arguments or provides boundary checks such
  as 'memset_s' in case of C11
  [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]

Signed-off-by: Guru Das Srinagesh <quic_gurus@quicinc.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
(cherry picked from commit 4be72c1b9f)
Change-Id: Idb6c210cb6566044948fe95222ded9aad854fcba
2022-08-25 16:43:20 -07:00
Will McVicker
1445c33c81 ANDROID: GKI: remove CONFIG_STACK_HASH_ORDER
This config has been removed from upstream in commit f9987921cb
("lib/stackdepot: replace CONFIG_STACK_HASH_ORDER with automatic
sizing").

Fixes: f9987921cb ("lib/stackdepot: replace CONFIG_STACK_HASH_ORDER with automatic sizing")
Signed-off-by: Will McVicker <willmcvicker@google.com>
Change-Id: I06a194a234bd630d8ce28bf9e1b9346f08e3f32c
2022-08-25 10:26:18 +00:00
Amit Pundir
3c456dbd58 ANDROID: staging: ashmem: Add shrinker name
Upstream mandates registering shrinkers with a name now.

Fixes: e33c267ab7 ("mm: shrinkers: provide shrinkers with names")
Change-Id: I434150d024e976fc3facfc4b34a2199a9c2e5d08
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
2022-08-25 10:25:33 +00:00
Greg Kroah-Hartman
17f82ab1d0 Merge tag 'v6.0-rc1' into android-mainline
Linux 6.0-rc1

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I2128afdf7110829b70a8c576906092c720749143
2022-08-25 12:19:15 +02:00
Greg Kroah-Hartman
9ce802d503 Merge e74acdf55d ("Merge tag 'modules-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux") into android-mainline
Steps on the way to 6.0-rc1

Resolves merge conflicts with:
	init/Kconfig
	kernel/module/Kconfig

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I92b7f12c0ba853ee8bfc81d072fb6eced54dbfa9
2022-08-25 12:15:17 +02:00
Greg Kroah-Hartman
d57a19712b Merge c8a684e2e1 ("Merge tag 'leds-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds") into android-mainline
Steps on the way to 6.0-rc1

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I18b6eeecc97bf78be9dffc0e6c9cb190ac2e7fcb
2022-08-25 12:12:46 +02:00
Greg Kroah-Hartman
a6e77a287c Merge 4d1044fcb9 ("Merge tag 'riscv-for-linus-5.20-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux") into android-mainline
Steps on the way to 6.0-rc1

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I62792b9190da7e02f4679a7246b7ebc0c3805e9e
2022-08-25 12:09:21 +02:00
Greg Kroah-Hartman
52a02aced3 Merge 965a9d75e3 ("Merge tag 'trace-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace") into android-mainline
Steps on the way to 6.0-rc1

Resolves merge conflicts with:
	include/linux/sched.h

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I90c2473a63b1484f91ac5e64f524faa586d5ab93
2022-08-25 12:06:07 +02:00
Treehugger Robot
8fde13fa3c Merge changes I6d1559bf,Ia54fa6f7,Ifb6b6d3f,I6c72d9c0,Ib0b1fe3a, ... into android-mainline
* changes:
  ANDROID: vendor_hooks: update android_vh_ufs_send_uic_command
  Merge 29b1d469f3 ("Merge tag 'trace-rtla-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace") into android-mainline
  Merge 746fc76b82 ("Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi") into android-mainline
  Merge 328141e51e ("Merge tag 'mmc-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc") into android-mainline
  ANDROID: fix up arm64 gki_defconfig for CONFIG_CLK_SUNXI
  Merge 36001a2fa6 ("Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux") into android-mainline
  Merge 37644cac6e ("Merge tag 'gpio-updates-for-v6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux") into android-mainline
2022-08-24 22:38:29 +00:00
Ulises Mendez Martinez
ea97a30864 Revert "ANDROID: Convert db845c to a mixed build."
Revert submission 2188970-db845c_mixed_build

Reason for revert: It breaks android-mainline
Reverted Changes:
I6cfb1ef19:ANDROID: Convert db845c to a mixed build.
I6680cb8ef:kleaf: Convert db845c to a mixed build.
I6cfb1ef19:ANDROID: Convert db845c to a mixed build.

Signed-off-by: Ulises Mendez Martinez <umendez@google.com>
Change-Id: I337800cc4483877587f0a25d1fde2dadc444a81e
2022-08-23 23:31:35 +00:00
Will McVicker
c57fe7391e ANDROID: vendor_hooks: update android_vh_ufs_send_uic_command
This updates the vendor hook `android_vh_ufs_send_uic_command` due to
the function parameter changes from the upstream commit 35d11ec239
("scsi: ufs: ufshcd: Constify pointed data").

Fixes: 35d11ec239 ("scsi: ufs: ufshcd: Constify pointed data")
Signed-off-by: Will McVicker <willmcvicker@google.com>
Change-Id: I6d1559bf74982cdf0a4ef4b28618265ba40dbab4
2022-08-23 21:58:51 +00:00
Ulises Mendez Martinez
5caceeff5b ANDROID: Convert db845c to a mixed build.
* This means using GKI[0] artifacts as base for the kernel.

[0] https://source.android.com/docs/core/architecture/kernel/generic-kernel-image#fragmentation-fix-gki

Bug: 233404531
Signed-off-by: Ulises Mendez Martinez <umendez@google.com>
Change-Id: I6cfb1ef1904e4b8d2755552ea139f150ce09db90
2022-08-23 18:49:56 +00:00
Greg Kroah-Hartman
aa98435df3 Merge 29b1d469f3 ("Merge tag 'trace-rtla-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace") into android-mainline
Steps on the way to 6.0-rc1

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ia54fa6f7ff14e0c9cf434ff4b9c244b4cf2d9b6c
2022-08-23 11:32:06 +02:00
Greg Kroah-Hartman
1bbf97a79c Merge 746fc76b82 ("Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi") into android-mainline
Steps on the way to 6.0-rc1

Resolves merge conflicts with:
	include/ufs/ufshcd.h

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ifb6b6d3fefbce01620b120ccefd51acf252d72d5
2022-08-23 11:29:34 +02:00
Greg Kroah-Hartman
7a464fc255 Merge 328141e51e ("Merge tag 'mmc-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc") into android-mainline
Steps on the way to 6.0-rc1

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I6c72d9c0c9d6d83ec087eadc92610f22a2267a18
2022-08-23 11:27:52 +02:00
Greg Kroah-Hartman
6e56dfb265 ANDROID: fix up arm64 gki_defconfig for CONFIG_CLK_SUNXI
In commit 2b4c206963 ("clk: sunxi: Limit legacy clocks to 32-bit ARM")
the CLK_SUNXI config symbol had the dependency properly fixed up, so we
no longer need to specify that we have this disabled, it's the default
for now.  So remove it from the gki_defconfig file to fix the build up.

Fixes: 2b4c206963 ("clk: sunxi: Limit legacy clocks to 32-bit ARM")
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ib0b1fe3a716b8efa592d18b217cffedb27f6137d
2022-08-23 11:24:39 +02:00
Greg Kroah-Hartman
450f34ace1 Merge 36001a2fa6 ("Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux") into android-mainline
Steps on the way to 6.0-rc1

Resolves merge conflict with:
	include/linux/clk-provider.h

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ifff54041c5978afe50c4ad777dec9dba3955eb62
2022-08-23 07:50:50 +02:00
Greg Kroah-Hartman
ad449ecf72 Merge 37644cac6e ("Merge tag 'gpio-updates-for-v6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux") into android-mainline
Steps on the way to 6.0-rc1

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I0170311c091549097394f4ef530517956b3c2723
2022-08-23 07:48:44 +02:00
Greg Kroah-Hartman
99ff927bd3 ANDROID: fix up db845c build
In commit 3158e39aa5 ("phy: qcom-qmp: switch to new split QMP PHY
driver") the qcom-qmp driver got split up into smaller drivers, so
update the BUILD.bazel file so that the build can continue to work
properly.

Fixes: 3158e39aa5 ("phy: qcom-qmp: switch to new split QMP PHY driver")
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I23da8f220c78a497d2a7d2406cbcca36c4637b6f
Signed-off-by: Will McVicker <willmcvicker@google.com>
2022-08-23 05:41:27 +00:00
Greg Kroah-Hartman
c1710ded87 ANDROID: xfrm: fix up CONFIG_ANDROID dependencies
In commit 1045a06724 ("remove CONFIG_ANDROID"), CONFIG_ANDROID was
removed, yet the xfrm networking code was doing some functionally
different things if this option was, or was not, enabled.  Restore the
functionality by having the xfrm code check CONFIG_GKI_HACKS_TO_FIX
instead.

Fixes: 1045a06724 ("remove CONFIG_ANDROID")
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ib153d5ef8a6935f56e634bcac5afef5070ec9f51
2022-08-23 05:41:27 +00:00
Greg Kroah-Hartman
b79b8bbe42 ANDROID: remove CONFIG_ANDROID from gki_defconfig files
In commit 1045a06724 ("remove CONFIG_ANDROID"), CONFIG_ANDROID was
removed, so also remove it from the gki_defconfig files to fix up the
build.

Fixes: 1045a06724 ("remove CONFIG_ANDROID")
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: If773c7903325f5b0c56f0815465eeefc4a2cbcca
2022-08-23 05:41:27 +00:00
Greg Kroah-Hartman
ea7be9d262 ANDROID: remove CONFIG_ANDROID dependency for CONFIG_ASHMEM
In commit 1045a06724 ("remove CONFIG_ANDROID"), CONFIG_ANDROID is
removed, so fix up the CONFIG_ASHMEM build option to not require it to
be selected and built properly.

Fixes: 1045a06724 ("remove CONFIG_ANDROID")
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: If9cdf1350949cf98444c20d778d1ca1228a6cd6d
2022-08-23 05:41:27 +00:00
Greg Kroah-Hartman
6dfc160456 Merge "Merge 228dfe98a3 ("Merge tag 'char-misc-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc") into android-mainline" into android-mainline 2022-08-23 05:41:27 +00:00
Viktor Martensson
f51334eac4 ANDROID: Updating OWNERS_DrNo
Updating DrNo to reflect departing and arriving team-members, replace smuckle@google.com with vmartensson@google.com

Test: Treehugger
Change-Id: Ifa7c882428f438bdf67e9635f851b1990cbf4761
Signed-off-by: Viktor Martensson <vmartensson@google.com>
2022-08-22 16:34:52 +00:00
Linus Torvalds
1c23f9e627 Linux 6.0-rc2 2022-08-21 17:32:54 -07:00
Linus Torvalds
4daa6a81c0 Misc irqchip fixes: LoongArch driver fixes and a Hyper-V IOMMU fix.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'irq-urgent-2022-08-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fixes from Ingo Molnar:
 "Misc irqchip fixes: LoongArch driver fixes and a Hyper-V IOMMU fix"

* tag 'irq-urgent-2022-08-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/loongson-liointc: Fix an error handling path in liointc_init()
  irqchip/loongarch: Fix irq_domain_alloc_fwnode() abuse
  irqchip/loongson-pch-pic: Move find_pch_pic() into CONFIG_ACPI
  irqchip/loongson-eiointc: Fix a build warning
  irqchip/loongson-eiointc: Fix irq affinity setting
  iommu/hyper-v: Use helper instead of directly accessing affinity
2022-08-21 15:09:55 -07:00
Linus Torvalds
4f61f842d1 Fix a kprobes bug in JNG/JNLE emulation when a kprobe is
installed at such instructions, possibly resulting in
 incorrect execution (the wrong branch taken).
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2022-08-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 kprobes fix from Ingo Molnar:
 "Fix a kprobes bug in JNG/JNLE emulation when a kprobe is installed at
  such instructions, possibly resulting in incorrect execution (the
  wrong branch taken)"

* tag 'perf-urgent-2022-08-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/kprobes: Fix JNG/JNLE emulation
2022-08-21 15:01:51 -07:00
Linus Torvalds
7fb312d225 Various fixes for tracing:
- Fix a return value of traceprobe_parse_event_name()
 
  - Fix NULL pointer dereference from failed ftrace enabling
 
  - Fix NULL pointer dereference when asking for registers from eprobes
 
  - Make eprobes consistent with kprobes/uprobes, filters and histograms
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Merge tag 'trace-v6.0-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:
 "Various fixes for tracing:

   - Fix a return value of traceprobe_parse_event_name()

   - Fix NULL pointer dereference from failed ftrace enabling

   - Fix NULL pointer dereference when asking for registers from eprobes

   - Make eprobes consistent with kprobes/uprobes, filters and
     histograms"

* tag 'trace-v6.0-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing: Have filter accept "common_cpu" to be consistent
  tracing/probes: Have kprobes and uprobes use $COMM too
  tracing/eprobes: Have event probes be consistent with kprobes and uprobes
  tracing/eprobes: Fix reading of string fields
  tracing/eprobes: Do not hardcode $comm as a string
  tracing/eprobes: Do not allow eprobes to use $stack, or % for regs
  ftrace: Fix NULL pointer dereference in is_ftrace_trampoline when ftrace is dead
  tracing/perf: Fix double put of trace event when init fails
  tracing: React to error return from traceprobe_parse_event_name()
2022-08-21 14:49:42 -07:00
Steven Rostedt (Google)
b2380577d4 tracing: Have filter accept "common_cpu" to be consistent
Make filtering consistent with histograms. As "cpu" can be a field of an
event, allow for "common_cpu" to keep it from being confused with the
"cpu" field of the event.

Link: https://lkml.kernel.org/r/20220820134401.513062765@goodmis.org
Link: https://lore.kernel.org/all/20220820220920.e42fa32b70505b1904f0a0ad@kernel.org/

Cc: stable@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Tzvetomir Stoyanov <tz.stoyanov@gmail.com>
Cc: Tom Zanussi <zanussi@kernel.org>
Fixes: 1e3bac71c5 ("tracing/histogram: Rename "cpu" to "common_cpu"")
Suggested-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-08-21 15:56:08 -04:00
Steven Rostedt (Google)
ab8384442e tracing/probes: Have kprobes and uprobes use $COMM too
Both $comm and $COMM can be used to get current->comm in eprobes and the
filtering and histogram logic. Make kprobes and uprobes consistent in this
regard and allow both $comm and $COMM as well. Currently kprobes and
uprobes only handle $comm, which is inconsistent with the other utilities,
and can be confusing to users.

Link: https://lkml.kernel.org/r/20220820134401.317014913@goodmis.org
Link: https://lore.kernel.org/all/20220820220442.776e1ddaf8836e82edb34d01@kernel.org/

Cc: stable@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Tzvetomir Stoyanov <tz.stoyanov@gmail.com>
Cc: Tom Zanussi <zanussi@kernel.org>
Fixes: 533059281e ("tracing: probeevent: Introduce new argument fetching code")
Suggested-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-08-21 15:56:08 -04:00
Steven Rostedt (Google)
6a832ec3d6 tracing/eprobes: Have event probes be consistent with kprobes and uprobes
Currently, if a symbol "@" is attempted to be used with an event probe
(eprobes), it will cause a NULL pointer dereference crash.

Both kprobes and uprobes can reference data other than the main registers.
Such as immediate address, symbols and the current task name. Have eprobes
do the same thing.

For "comm", if "comm" is used and the event being attached to does not
have the "comm" field, then make it the "$comm" that kprobes has. This is
consistent to the way histograms and filters work.

Link: https://lkml.kernel.org/r/20220820134401.136924220@goodmis.org

Cc: stable@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Tzvetomir Stoyanov <tz.stoyanov@gmail.com>
Cc: Tom Zanussi <zanussi@kernel.org>
Fixes: 7491e2c442 ("tracing: Add a probe that attaches to trace events")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-08-21 15:56:08 -04:00
Steven Rostedt (Google)
f04dec9346 tracing/eprobes: Fix reading of string fields
Currently when an event probe (eprobe) hooks to a string field, it does
not display it as a string, but instead as a number. This makes the field
rather useless. Handle the different kinds of strings, dynamic, static,
relational/dynamic etc.

Now when a string field is used, the ":string" type can be used to display
it:

  echo "e:sw sched/sched_switch comm=$next_comm:string" > dynamic_events

Link: https://lkml.kernel.org/r/20220820134400.959640191@goodmis.org

Cc: stable@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Tzvetomir Stoyanov <tz.stoyanov@gmail.com>
Cc: Tom Zanussi <zanussi@kernel.org>
Fixes: 7491e2c442 ("tracing: Add a probe that attaches to trace events")
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-08-21 15:56:08 -04:00
Steven Rostedt (Google)
02333de90e tracing/eprobes: Do not hardcode $comm as a string
The variable $comm is hard coded as a string, which is true for both
kprobes and uprobes, but for event probes (eprobes) it is a field name. In
most cases the "comm" field would be a string, but there's no guarantee of
that fact.

Do not assume that comm is a string. Not to mention, it currently forces
comm fields to fault, as string processing for event probes is currently
broken.

Link: https://lkml.kernel.org/r/20220820134400.756152112@goodmis.org

Cc: stable@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Tzvetomir Stoyanov <tz.stoyanov@gmail.com>
Cc: Tom Zanussi <zanussi@kernel.org>
Fixes: 7491e2c442 ("tracing: Add a probe that attaches to trace events")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-08-21 15:56:08 -04:00
Steven Rostedt (Google)
2673c60ee6 tracing/eprobes: Do not allow eprobes to use $stack, or % for regs
While playing with event probes (eprobes), I tried to see what would
happen if I attempted to retrieve the instruction pointer (%rip) knowing
that event probes do not use pt_regs. The result was:

 BUG: kernel NULL pointer dereference, address: 0000000000000024
 #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: 1 PID: 1847 Comm: trace-cmd Not tainted 5.19.0-rc5-test+ #309
 Hardware name: Hewlett-Packard HP Compaq Pro 6300 SFF/339A, BIOS K01
v03.03 07/14/2016
 RIP: 0010:get_event_field.isra.0+0x0/0x50
 Code: ff 48 c7 c7 c0 8f 74 a1 e8 3d 8b f5 ff e8 88 09 f6 ff 4c 89 e7 e8
50 6a 13 00 48 89 ef 5b 5d 41 5c 41 5d e9 42 6a 13 00 66 90 <48> 63 47 24
8b 57 2c 48 01 c6 8b 47 28 83 f8 02 74 0e 83 f8 04 74
 RSP: 0018:ffff916c394bbaf0 EFLAGS: 00010086
 RAX: ffff916c854041d8 RBX: ffff916c8d9fbf50 RCX: ffff916c255d2000
 RDX: 0000000000000000 RSI: ffff916c255d2008 RDI: 0000000000000000
 RBP: 0000000000000000 R08: ffff916c3a2a0c08 R09: ffff916c394bbda8
 R10: 0000000000000000 R11: 0000000000000000 R12: ffff916c854041d8
 R13: ffff916c854041b0 R14: 0000000000000000 R15: 0000000000000000
 FS:  0000000000000000(0000) GS:ffff916c9ea40000(0000)
knlGS:0000000000000000
 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 CR2: 0000000000000024 CR3: 000000011b60a002 CR4: 00000000001706e0
 Call Trace:
  <TASK>
  get_eprobe_size+0xb4/0x640
  ? __mod_node_page_state+0x72/0xc0
  __eprobe_trace_func+0x59/0x1a0
  ? __mod_lruvec_page_state+0xaa/0x1b0
  ? page_remove_file_rmap+0x14/0x230
  ? page_remove_rmap+0xda/0x170
  event_triggers_call+0x52/0xe0
  trace_event_buffer_commit+0x18f/0x240
  trace_event_raw_event_sched_wakeup_template+0x7a/0xb0
  try_to_wake_up+0x260/0x4c0
  __wake_up_common+0x80/0x180
  __wake_up_common_lock+0x7c/0xc0
  do_notify_parent+0x1c9/0x2a0
  exit_notify+0x1a9/0x220
  do_exit+0x2ba/0x450
  do_group_exit+0x2d/0x90
  __x64_sys_exit_group+0x14/0x20
  do_syscall_64+0x3b/0x90
  entry_SYSCALL_64_after_hwframe+0x46/0xb0

Obviously this is not the desired result.

Move the testing for TPARG_FL_TPOINT which is only used for event probes
to the top of the "$" variable check, as all the other variables are not
used for event probes. Also add a check in the register parsing "%" to
fail if an event probe is used.

Link: https://lkml.kernel.org/r/20220820134400.564426983@goodmis.org

Cc: stable@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Tzvetomir Stoyanov <tz.stoyanov@gmail.com>
Cc: Tom Zanussi <zanussi@kernel.org>
Fixes: 7491e2c442 ("tracing: Add a probe that attaches to trace events")
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-08-21 15:56:08 -04:00
Yang Jihong
c3b0f72e80 ftrace: Fix NULL pointer dereference in is_ftrace_trampoline when ftrace is dead
ftrace_startup does not remove ops from ftrace_ops_list when
ftrace_startup_enable fails:

register_ftrace_function
  ftrace_startup
    __register_ftrace_function
      ...
      add_ftrace_ops(&ftrace_ops_list, ops)
      ...
    ...
    ftrace_startup_enable // if ftrace failed to modify, ftrace_disabled is set to 1
    ...
  return 0 // ops is in the ftrace_ops_list.

When ftrace_disabled = 1, unregister_ftrace_function simply returns without doing anything:
unregister_ftrace_function
  ftrace_shutdown
    if (unlikely(ftrace_disabled))
            return -ENODEV;  // return here, __unregister_ftrace_function is not executed,
                             // as a result, ops is still in the ftrace_ops_list
    __unregister_ftrace_function
    ...

If ops is dynamically allocated, it will be free later, in this case,
is_ftrace_trampoline accesses NULL pointer:

is_ftrace_trampoline
  ftrace_ops_trampoline
    do_for_each_ftrace_op(op, ftrace_ops_list) // OOPS! op may be NULL!

Syzkaller reports as follows:
[ 1203.506103] BUG: kernel NULL pointer dereference, address: 000000000000010b
[ 1203.508039] #PF: supervisor read access in kernel mode
[ 1203.508798] #PF: error_code(0x0000) - not-present page
[ 1203.509558] PGD 800000011660b067 P4D 800000011660b067 PUD 130fb8067 PMD 0
[ 1203.510560] Oops: 0000 [#1] SMP KASAN PTI
[ 1203.511189] CPU: 6 PID: 29532 Comm: syz-executor.2 Tainted: G    B   W         5.10.0 #8
[ 1203.512324] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
[ 1203.513895] RIP: 0010:is_ftrace_trampoline+0x26/0xb0
[ 1203.514644] Code: ff eb d3 90 41 55 41 54 49 89 fc 55 53 e8 f2 00 fd ff 48 8b 1d 3b 35 5d 03 e8 e6 00 fd ff 48 8d bb 90 00 00 00 e8 2a 81 26 00 <48> 8b ab 90 00 00 00 48 85 ed 74 1d e8 c9 00 fd ff 48 8d bb 98 00
[ 1203.518838] RSP: 0018:ffffc900012cf960 EFLAGS: 00010246
[ 1203.520092] RAX: 0000000000000000 RBX: 000000000000007b RCX: ffffffff8a331866
[ 1203.521469] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000010b
[ 1203.522583] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8df18b07
[ 1203.523550] R10: fffffbfff1be3160 R11: 0000000000000001 R12: 0000000000478399
[ 1203.524596] R13: 0000000000000000 R14: ffff888145088000 R15: 0000000000000008
[ 1203.525634] FS:  00007f429f5f4700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
[ 1203.526801] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1203.527626] CR2: 000000000000010b CR3: 0000000170e1e001 CR4: 00000000003706e0
[ 1203.528611] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1203.529605] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Therefore, when ftrace_startup_enable fails, we need to rollback registration
process and remove ops from ftrace_ops_list.

Link: https://lkml.kernel.org/r/20220818032659.56209-1-yangjihong1@huawei.com

Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Yang Jihong <yangjihong1@huawei.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-08-21 15:56:07 -04:00
Steven Rostedt (Google)
7249921d94 tracing/perf: Fix double put of trace event when init fails
If in perf_trace_event_init(), the perf_trace_event_open() fails, then it
will call perf_trace_event_unreg() which will not only unregister the perf
trace event, but will also call the put() function of the tp_event.

The problem here is that the trace_event_try_get_ref() is called by the
caller of perf_trace_event_init() and if perf_trace_event_init() returns a
failure, it will then call trace_event_put(). But since the
perf_trace_event_unreg() already called the trace_event_put() function, it
triggers a WARN_ON().

 WARNING: CPU: 1 PID: 30309 at kernel/trace/trace_dynevent.c:46 trace_event_dyn_put_ref+0x15/0x20

If perf_trace_event_reg() does not call the trace_event_try_get_ref() then
the perf_trace_event_unreg() should not be calling trace_event_put(). This
breaks symmetry and causes bugs like these.

Pull out the trace_event_put() from perf_trace_event_unreg() and call it
in the locations that perf_trace_event_unreg() is called. This not only
fixes this bug, but also brings back the proper symmetry of the reg/unreg
vs get/put logic.

Link: https://lore.kernel.org/all/cover.1660347763.git.kjlx@templeofstupid.com/
Link: https://lkml.kernel.org/r/20220816192817.43d5e17f@gandalf.local.home

Cc: stable@vger.kernel.org
Fixes: 1d18538e6a ("tracing: Have dynamic events have a ref counter")
Reported-by: Krister Johansen <kjlx@templeofstupid.com>
Reviewed-by: Krister Johansen <kjlx@templeofstupid.com>
Tested-by: Krister Johansen <kjlx@templeofstupid.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-08-21 15:56:07 -04:00
Lukas Bulwahn
d8a64313c1 tracing: React to error return from traceprobe_parse_event_name()
The function traceprobe_parse_event_name() may set the first two function
arguments to a non-null value and still return -EINVAL to indicate an
unsuccessful completion of the function. Hence, it is not sufficient to
just check the result of the two function arguments for being not null,
but the return value also needs to be checked.

Commit 95c104c378 ("tracing: Auto generate event name when creating a
group of events") changed the error-return-value checking of the second
traceprobe_parse_event_name() invocation in __trace_eprobe_create() and
removed checking the return value to jump to the error handling case.

Reinstate using the return value in the error-return-value checking.

Link: https://lkml.kernel.org/r/20220811071734.20700-1-lukas.bulwahn@gmail.com

Fixes: 95c104c378 ("tracing: Auto generate event name when creating a group of events")
Acked-by: Linyu Yuan <quic_linyyuan@quicinc.com>
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-08-21 15:56:07 -04:00
Linus Torvalds
e3f259d33c This pull request includes a revert to fix a regression introduced this
merge window and a fix for proper error handling in the remove path of
 the iMX driver.
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Merge tag 'i2c-for-6.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c fixes from Wolfram Sang:
 "A revert to fix a regression introduced this merge window and a fix
  for proper error handling in the remove path of the iMX driver"

* tag 'i2c-for-6.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: imx: Make sure to unregister adapter on remove()
  Revert "i2c: scmi: Replace open coded device_get_match_data()"
2022-08-21 11:18:33 -07:00
Linus Torvalds
367bcbc5b5 5 cifs/smb3 fixes, one for stable
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Merge tag '6.0-rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs client fixes from Steve French:

 - memory leak fix

 - two small cleanups

 - trivial strlcpy removal

 - update missing entry for cifs headers in MAINTAINERS file

* tag '6.0-rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: move from strlcpy with unused retval to strscpy
  cifs: Fix memory leak on the deferred close
  cifs: remove useless parameter 'is_fsctl' from SMB2_ioctl()
  cifs: remove unused server parameter from calc_smb_size()
  cifs: missing directory in MAINTAINERS file
2022-08-21 10:21:16 -07:00
Nick Desaulniers
a0a12c3ed0 asm goto: eradicate CC_HAS_ASM_GOTO
GCC has supported asm goto since 4.5, and Clang has since version 9.0.0.
The minimum supported versions of these tools for the build according to
Documentation/process/changes.rst are 5.1 and 11.0.0 respectively.

Remove the feature detection script, Kconfig option, and clean up some
fallback code that is no longer supported.

The removed script was also testing for a GCC specific bug that was
fixed in the 4.7 release.

Also remove workarounds for bpftrace using clang older than 9.0.0, since
other BPF backend fixes are required at this point.

Link: https://lore.kernel.org/lkml/CAK7LNATSr=BXKfkdW8f-H5VT_w=xBpT2ZQcZ7rm6JfkdE+QnmA@mail.gmail.com/
Link: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48637
Acked-by: Borislav Petkov <bp@suse.de>
Suggested-by: Masahiro Yamada <masahiroy@kernel.org>
Suggested-by: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-08-21 10:06:28 -07:00
Greg Kroah-Hartman
a4f98a7ebd Merge 228dfe98a3 ("Merge tag 'char-misc-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc") into android-mainline
Steps on the way to 6.0-rc1

Resolves merge conflicts in:
	drivers/android/Kconfig
	drivers/android/binder.c
	drivers/misc/Makefile

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ied4316f324d592bf13d257871d9a27114a59f783
2022-08-21 14:30:36 +02:00
Uwe Kleine-König
d98bdd3a5b i2c: imx: Make sure to unregister adapter on remove()
If for whatever reasons pm_runtime_resume_and_get() fails and .remove() is
exited early, the i2c adapter stays around and the irq still calls its
handler, while the driver data and the register mapping go away. So if
later the i2c adapter is accessed or the irq triggers this results in
havoc accessing freed memory and unmapped registers.

So unregister the software resources even if resume failed, and only skip
the hardware access in that case.

Fixes: 588eb93ea4 ("i2c: imx: add runtime pm support to improve the performance")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2022-08-21 10:27:33 +02:00
Wolfram Sang
3df71d7064 Revert "i2c: scmi: Replace open coded device_get_match_data()"
This reverts commit 9ae551ded5. We got a
regression report, so ensure this machine boots again. We will come back
with a better version hopefully.

Reported-by: Josef Johansson <josef@oderland.se>
Link: https://lore.kernel.org/r/4d2d5b04-0b6c-1cb1-a63f-dc06dfe1b5da@oderland.se
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2022-08-21 10:27:07 +02:00
Linus Torvalds
15b3f48a43 Kbuild fixes for v6.0
- Fix module versioning broken on some architectures
 
  - Make dummy-tools enable CONFIG_PPC_LONG_DOUBLE_128
 
  - Remove -Wformat-zero-length, which has no warning instance
 
  - Fix the order between drivers and libs in modules.order
 
  - Fix false-positive warnings in clang-analyzer
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Merge tag 'kbuild-fixes-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Fix module versioning broken on some architectures

 - Make dummy-tools enable CONFIG_PPC_LONG_DOUBLE_128

 - Remove -Wformat-zero-length, which has no warning instance

 - Fix the order between drivers and libs in modules.order

 - Fix false-positive warnings in clang-analyzer

* tag 'kbuild-fixes-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  scripts/clang-tools: Remove DeprecatedOrUnsafeBufferHandling check
  kbuild: fix the modules order between drivers and libs
  scripts/Makefile.extrawarn: Do not disable clang's -Wformat-zero-length
  kbuild: dummy-tools: pretend we understand __LONG_DOUBLE_128__
  modpost: fix module versioning when a symbol lacks valid CRC
2022-08-20 14:55:38 -07:00
Linus Torvalds
16b3d851c0 perf tools fixes for v6.0: 1st batch
- Fix alignment for cpu map masks in event encoding.
 
 - Support reading PERF_FORMAT_LOST, perf tool counterpart for a feature
   that was added in this merge window.
 
 - Sync perf tools copies of kernel headers: socket, msr-index, fscrypt,
   cpufeatures, i915_drm, kvm, vhost, perf_event.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v6.0-2022-08-19' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull perf tools fixes from Arnaldo Carvalho de Melo:

 - Fix alignment for cpu map masks in event encoding.

 - Support reading PERF_FORMAT_LOST, perf tool counterpart for a feature
   that was added in this merge window.

 - Sync perf tools copies of kernel headers: socket, msr-index, fscrypt,
   cpufeatures, i915_drm, kvm, vhost, perf_event.

* tag 'perf-tools-fixes-for-v6.0-2022-08-19' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
  perf tools: Support reading PERF_FORMAT_LOST
  libperf: Add a test case for read formats
  libperf: Handle read format in perf_evsel__read()
  tools headers UAPI: Sync linux/perf_event.h with the kernel sources
  tools headers UAPI: Sync x86's asm/kvm.h with the kernel sources
  tools headers UAPI: Sync KVM's vmx.h header with the kernel sources
  tools include UAPI: Sync linux/vhost.h with the kernel sources
  tools headers kvm s390: Sync headers with the kernel sources
  tools headers UAPI: Sync linux/kvm.h with the kernel sources
  tools headers UAPI: Sync drm/i915_drm.h with the kernel sources
  tools headers cpufeatures: Sync with the kernel sources
  tools headers UAPI: Sync linux/fscrypt.h with the kernel sources
  tools arch x86: Sync the msr-index.h copy with the kernel sources
  perf beauty: Update copy of linux/socket.h with the kernel sources
  perf cpumap: Fix alignment for masks in event encoding
  perf cpumap: Compute mask size in constant time
  perf cpumap: Synthetic events and const/static
  perf cpumap: Const map for max()
2022-08-20 14:46:05 -07:00
Linus Torvalds
cc1807b915 s390 updates for 6.0-rc2
- Fix a KVM crash on z12 and older machines caused by a wrong
   assumption that Query AP Configuration Information is always
   available.
 
 - Lower severity of excessive Hypervisor filesystem error messages
   when booting under KVM.
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Merge tag 's390-6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 updates from Alexander Gordeev:

 - Fix a KVM crash on z12 and older machines caused by a wrong
   assumption that Query AP Configuration Information is always
   available.

 - Lower severity of excessive Hypervisor filesystem error messages
   when booting under KVM.

* tag 's390-6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/ap: fix crash on older machines based on QCI info missing
  s390/hypfs: avoid error message under KVM
2022-08-20 11:29:01 -07:00
Linus Torvalds
32dd68f110 powerpc fixes for 6.0 #3
- Fix atomic sleep warnings at boot due to get_phb_number() taking a mutex with a
    spinlock held on some machines.
 
  - Add missing PMU selftests to .gitignores.
 
 Thanks to: Guenter Roeck, Russell Currey.
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Merge tag 'powerpc-6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:

 - Fix atomic sleep warnings at boot due to get_phb_number() taking a
   mutex with a spinlock held on some machines.

 - Add missing PMU selftests to .gitignores.

Thanks to Guenter Roeck and Russell Currey.

* tag 'powerpc-6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  selftests/powerpc: Add missing PMU selftests to .gitignores
  powerpc/pci: Fix get_phb_number() locking
2022-08-20 11:20:37 -07:00
Linus Torvalds
f31c32efd5 v6.0 first rc pull request
A few minor fixes:
  - Fix buffer management in SRP to correct a regression with the login
    authentication feature from v5.17
 
  - Don't iterate over non-present ports in mlx5
 
  - Fix an error introduced by the foritify work in cxgb4
 
  - Two bug fixes for the recently merged ERDMA driver
 
  - Unbreak RDMA dmabuf support, a regresion from v5.19
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma fixes from Jason Gunthorpe:
 "A few minor fixes:

   - Fix buffer management in SRP to correct a regression with the login
     authentication feature from v5.17

   - Don't iterate over non-present ports in mlx5

   - Fix an error introduced by the foritify work in cxgb4

   - Two bug fixes for the recently merged ERDMA driver

   - Unbreak RDMA dmabuf support, a regresion from v5.19"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
  RDMA: Handle the return code from dma_resv_wait_timeout() properly
  RDMA/erdma: Correct the max_qp and max_cq capacities of the device
  RDMA/erdma: Using the key in FMR WR instead of MR structure
  RDMA/cxgb4: fix accept failure due to increased cpl_t5_pass_accept_rpl size
  RDMA/mlx5: Use the proper number of ports
  IB/iser: Fix login with authentication
2022-08-20 10:49:02 -07:00
Guru Das Srinagesh
4be72c1b9f scripts/clang-tools: Remove DeprecatedOrUnsafeBufferHandling check
This `clang-analyzer` check flags the use of memset(), suggesting a more
secure version of the API, such as memset_s(), which does not exist in
the kernel:

  warning: Call to function 'memset' is insecure as it does not provide
  security checks introduced in the C11 standard. Replace with analogous
  functions that support length arguments or provides boundary checks such
  as 'memset_s' in case of C11
  [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]

Signed-off-by: Guru Das Srinagesh <quic_gurus@quicinc.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2022-08-21 02:47:49 +09:00