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1db7cf56c00a776e7c36093251dfd4a39a83f037
android_kernel_fxtec_sm6115/kernel
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Prateek Sood ad677f2848 tracing: Fix lock inversion in trace_event_enable_tgid_record() 
Task T2                             Task T3
trace_options_core_write()            subsystem_open()

 mutex_lock(trace_types_lock)           mutex_lock(event_mutex)

 set_tracer_flag()

   trace_event_enable_tgid_record()       mutex_lock(trace_types_lock)

    mutex_lock(event_mutex)

This gives a circular dependency deadlock between trace_types_lock and
event_mutex. To fix this invert the usage of trace_types_lock and
event_mutex in trace_options_core_write(). This keeps the sequence of
lock usage consistent.

Change-Id: Ide261e25fb15f79391a6220eef246e274b0c6a69
Signed-off-by: Prateek Sood <prsood@codeaurora.org>
2019-12-27 18:57:40 -08:00
..
bpf
ANDROID: bpf: validate bpf_func when BPF_JIT is enabled with CFI
2019-10-08 09:21:03 -07:00
cgroup
Merge android-4.19-q.66 (5118163) into msm-4.19
2019-08-14 04:56:34 -07:00
configs
ANDROID: remove android config fragments
2018-08-28 17:15:17 +05:30
debug
BACKPORT: sched: loadavg: consolidate LOAD_INT, LOAD_FRAC, CALC_LOAD
2019-03-21 16:25:26 -07:00
dma
Merge "Merge android-4.19.20 (c28f73f) into msm-4.19"
2019-03-06 02:45:19 -08:00
events
Merge android-4.19-q.81 (9045ee1) into msm-4.19
2019-10-29 04:52:53 -07:00
gcov
UPSTREAM: gcov: clang support
2019-05-17 16:05:09 -07:00
irq
Merge android-4.19-q.74 (09e57ab) into msm-4.19
2019-09-20 00:45:59 -07:00
livepatch
livepatch: Nullify obj->mod in klp_module_coming()'s error path
2019-10-07 18:57:10 +02:00
locking
lockdep: suppress extra lockdep logging
2019-12-06 01:19:23 -08:00
power
power: qos: Fix accessing pm_qos_request struct
2019-10-15 07:34:24 -07:00
printk
Merge android-4.19-q.77 (cd1eb9f) into msm-4.19
2019-10-14 00:52:41 -07:00
rcu
rcu: Allow only one expedited GP to run concurrently with wakeups
2019-12-04 20:08:25 +05:30
sched
Merge "sched/walt: Improve the scheduler"
2019-12-26 06:47:23 -08:00
time
Merge android-4.19-q.79 (40321f2) into msm-4.19
2019-10-21 05:07:30 -07:00
trace
tracing: Fix lock inversion in trace_event_enable_tgid_record()
2019-12-27 18:57:40 -08:00
.gitignore
BACKPORT: Provide in-kernel headers to make extending kernel easier
2019-06-12 12:33:20 +00:00
acct.c
acct_on(): don't mess with freeze protection
2019-05-31 06:46:05 -07:00
async.c
…
audit_fsnotify.c
fsnotify: add fsnotify_add_inode_mark() wrappers
2018-05-18 14:58:22 +02:00
audit_tree.c
Merge tag 'fsnotify_for_v4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2018-08-17 09:41:28 -07:00
audit_watch.c
audit: fix use-after-free in audit_add_watch
2018-07-18 11:43:36 -04:00
audit.c
audit: use ktime_get_coarse_real_ts64() for timestamps
2018-07-17 14:45:08 -04:00
audit.h
…
auditfilter.c
audit: fix a memory leak bug
2019-05-31 06:46:17 -07:00
auditsc.c
Merge tag 'audit-pr-20180814' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
2018-08-15 10:46:54 -07:00
backtracetest.c
…
bounds.c
kbuild: fix kernel/bounds.c 'W=1' warning
2018-11-13 11:08:47 -08:00
capability.c
…
cfi.c
ANDROID: add support for clang Control Flow Integrity (CFI)
2019-05-20 19:40:50 -07:00
compat.c
sched: Improve the scheduler
2019-05-21 10:06:45 +05:30
configs.c
…
context_tracking.c
…
cpu_pm.c
lpm-levels: Do not disable non-sec interrupts in suspend
2019-03-04 14:00:49 +05:30
cpu.c
Merge android-4.19.60 (bafa20f) into msm-4.19
2019-08-13 01:20:04 -07:00
crash_core.c
kernel/crash_core.c: print timestamp using time64_t
2018-08-22 10:52:47 -07:00
crash_dump.c
…
cred.c
access: avoid the RCU grace period for the temporary subjective credentials
2019-07-31 07:27:11 +02:00
delayacct.c
UPSTREAM: delayacct: track delays from thrashing cache pages
2019-03-21 16:25:26 -07:00
dma.c
proc: introduce proc_create_single{,_data}
2018-05-16 07:23:35 +02:00
elfcore.c
kernel/elfcore.c: include proper prototypes
2019-10-11 18:21:23 +02:00
exec_domain.c
proc: introduce proc_create_single{,_data}
2018-05-16 07:23:35 +02:00
exit.c
Merge android-4.19-q.66 (5118163) into msm-4.19
2019-08-14 04:56:34 -07:00
extable.c
…
fail_function.c
bpf/error-inject/kprobes: Clear current_kprobe and enable preempt in kprobe
2018-06-21 12:33:19 +02:00
fork.c
Merge android-4.19-q.80 (fd673e8) into msm-4.19
2019-10-21 05:33:39 -07:00
freezer.c
PM / reboot: Eliminate race between reboot and suspend
2018-08-06 12:35:20 +02:00
futex_compat.c
…
futex.c
locking/futex: Allow low-level atomic operations to return -EAGAIN
2019-05-10 17:54:11 +02:00
gen_kheaders.sh
BACKPORT: kheaders: Do not regenerate archive if config is not changed
2019-06-12 12:35:31 +00:00
groups.c
…
hung_task.c
hung task: check specific tasks for long uninterruptible sleep state
2019-08-02 12:42:25 -07:00
iomem.c
memremap: split devm_memremap_pages() and memremap() infrastructure
2018-05-15 23:08:33 -07:00
irq_work.c
irq_work: Do not raise an IPI when queueing work on the local CPU
2019-05-31 06:46:19 -07:00
jump_label.c
jump_label: move 'asm goto' support test to Kconfig
2019-06-04 08:02:34 +02:00
kallsyms.c
Merge 4.19.75 into android-4.19-q
2019-09-21 07:56:42 +02:00
kcmp.c
…
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
locking/rwsem: for rwsem prio aware enhancement
2019-05-24 15:32:11 +08:00
Kconfig.preempt
kconfig: include kernel/Kconfig.preempt from init/Kconfig
2018-08-02 08:06:54 +09:00
kcov.c
kernel/kcov.c: mark write_comp_data() as notrace
2019-02-12 19:47:20 +01:00
kexec_core.c
kexec: bail out upon SIGKILL when allocating memory.
2019-10-07 18:57:28 +02:00
kexec_file.c
treewide: Use array_size() in vzalloc()
2018-06-12 16:19:22 -07:00
kexec_internal.h
…
kexec.c
kexec: add call to LSM hook in original kexec_load syscall
2018-07-16 12:31:57 -07:00
kheaders.c
BACKPORT: kheaders: Move from proc to sysfs
2019-06-12 12:33:54 +00:00
kmod.c
…
kprobes.c
kprobes: Prohibit probing on BUG() and WARN() address
2019-10-05 13:09:54 +02:00
ksysfs.c
…
kthread.c
FROMLIST: refactor header includes to allow kthread.h inclusion in psi_types.h
2019-03-22 23:07:04 +00:00
latencytop.c
…
Makefile
Merge android-4.19-q.63 (8820b76) into msm-4.19
2019-08-14 04:49:08 -07:00
memremap.c
mm, devm_memremap_pages: add MEMORY_DEVICE_PRIVATE support
2019-01-13 09:51:04 +01:00
module_signing.c
modsign: log module name in the event of an error
2018-07-02 11:36:17 +02:00
module-internal.h
modsign: log module name in the event of an error
2018-07-02 11:36:17 +02:00
module.c
Merge "Merge android-4.19-q.75 (cfe571e) into msm-4.19"
2019-10-14 17:33:26 -07:00
notifier.c
…
nsproxy.c
…
padata.c
padata: use smp_mb in padata_reorder to avoid orphaned padata jobs
2019-07-26 09:14:25 +02:00
panic.c
Merge android-4.19-q.80 (fd673e8) into msm-4.19
2019-10-21 05:33:39 -07:00
params.c
…
pid_namespace.c
signal/pid_namespace: Fix reboot_pid_ns to use send_sig not force_sig
2019-07-26 09:14:01 +02:00
pid.c
Fix failure path in alloc_pid()
2019-01-13 09:51:06 +01:00
profile.c
…
ptrace.c
ptrace: Fix ->ptracer_cred handling for PTRACE_TRACEME
2019-07-10 09:53:41 +02:00
range.c
…
reboot.c
panic/reboot: allow specifying reboot_mode for panic only
2019-05-16 16:07:15 -07:00
relay.c
relay: check return of create_buf_file() properly
2019-03-13 14:02:35 -07:00
resource.c
resource: fix locking in find_next_iomem_res()
2019-09-16 08:22:20 +02:00
rseq.c
rseq: uapi: Declare rseq_cs field as union, update includes
2018-07-10 22:18:52 +02:00
seccomp.c
Merge tag 'audit-pr-20180605' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
2018-06-06 16:34:00 -07:00
signal.c
mm: reap tasks only killed by low memory killer
2019-12-11 12:34:02 +05:30
smp.c
smp: Wake up all idle CPUs when suspending to idle
2019-03-15 01:59:15 -07:00
smpboot.c
smpboot: Remove cpumask from the API
2018-07-03 09:20:44 +02:00
smpboot.h
…
softirq.c
Revert "softirq: Let ksoftirqd do its job"
2019-01-08 15:47:21 -08:00
stacktrace.c
…
stop_machine.c
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-08-13 11:25:07 -07:00
sys_ni.c
Merge branch 'core-rseq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-06-10 10:17:09 -07:00
sys.c
Merge 4.19.51 into android-4.19-q
2019-06-15 17:41:59 +02:00
sysctl_binary.c
netfilter: nf_defrag_ipv4: Add sysctl to disable per interface
2018-12-03 15:57:38 -08:00
sysctl.c
sched/walt: Improve the scheduler
2019-12-20 10:11:00 +05:30
task_work.c
…
taskstats.c
taskstats: handle NULL nla case in taskstats2
2019-08-23 01:26:40 -07:00
test_kprobes.c
kprobes: Remove jprobe API implementation
2018-06-21 12:33:05 +02:00
torture.c
torture: Keep old-school dmesg format
2018-06-25 11:30:10 -07:00
tracepoint.c
tracepoint: Fix tracepoint array element size mismatch
2018-10-17 15:35:29 -04:00
tsacct.c
…
ucount.c
…
uid16.c
…
uid16.h
…
umh.c
umh: fix race condition
2018-06-07 16:56:28 -04:00
up.c
…
user_namespace.c
userns: also map extents in the reverse map to kernel IDs
2018-11-13 11:09:00 -08:00
user-return-notifier.c
…
user.c
ANDROID: proc: Add /proc/uid directory
2019-03-06 15:59:21 +00:00
utsname_sysctl.c
sys: don't hold uts_sem while accessing userspace memory
2018-08-11 02:05:53 -05:00
utsname.c
…
watchdog_hld.c
watchdog: Mark watchdog touch functions as notrace
2018-08-30 12:56:40 +02:00
watchdog.c
Merge android-4.19.33 (0b065cd) into msm-4.19
2019-05-13 01:50:40 -07:00
workqueue_internal.h
UPSTREAM: psi: fix aggregation idle shut-off
2019-03-21 16:25:27 -07:00
workqueue.c
Merge android-4.19.38 (5e7b4fb) into msm-4.19
2019-05-31 06:00:28 -07:00