[EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=a803c028, mo2=0002]
======================================================
WARNING: possible circular locking dependency detected
System zones:
4.14.307-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.3/11232 is trying to acquire lock:
(event_mutex){+.+.}, at: [<ffffffff815bd374>] ftrace_profile_set_filter+0x64/0x1c0 kernel/trace/trace_events_filter.c:2268
but task is already holding lock:
(&cpuctx_mutex){+.+.}, at: [<ffffffff81636c4d>] perf_event_ctx_lock_nested+0x14d/0x2c0 kernel/events/core.c:1241
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #4 (&cpuctx_mutex){+.+.}:
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893
0-2
perf_event_init_cpu+0xb7/0x170 kernel/events/core.c:11293
perf_event_init+0x2cc/0x308 kernel/events/core.c:11340
start_kernel+0x45d/0x763 init/main.c:624
secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240
-> #3 (pmus_lock){+.+.}:
, 18-18
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893
, 34-34
perf_event_init_cpu+0x2c/0x170 kernel/events/core.c:11287
cpuhp_invoke_callback+0x1e6/0x1a80 kernel/cpu.c:186
cpuhp_up_callbacks kernel/cpu.c:574 [inline]
_cpu_up+0x21e/0x520 kernel/cpu.c:1193
do_cpu_up+0x9a/0x160 kernel/cpu.c:1229
smp_init+0x197/0x1ac kernel/smp.c:578
kernel_init_freeable+0x406/0x626 init/main.c:1074
kernel_init+0xd/0x166 init/main.c:1006
EXT4-fs (loop1): mounted filesystem without journal. Opts: init_itable,usrjquota=,auto_da_alloc=0x0000000000000000,errors=remount-ro,debug,
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:406
-> #2 (cpu_hotplug_lock.rw_sem){++++}:
percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline]
percpu_down_read include/linux/percpu-rwsem.h:59 [inline]
cpus_read_lock+0x39/0xc0 kernel/cpu.c:297
static_key_slow_inc+0xe/0x20 kernel/jump_label.c:123
tracepoint_add_func+0x747/0xa40 kernel/tracepoint.c:269
tracepoint_probe_register_prio kernel/tracepoint.c:331 [inline]
tracepoint_probe_register+0x8c/0xc0 kernel/tracepoint.c:352
trace_event_reg+0x272/0x330 kernel/trace/trace_events.c:305
perf_trace_event_reg kernel/trace/trace_event_perf.c:122 [inline]
perf_trace_event_init kernel/trace/trace_event_perf.c:197 [inline]
perf_trace_init+0x424/0xa30 kernel/trace/trace_event_perf.c:221
perf_tp_event_init+0x79/0xf0 kernel/events/core.c:8145
perf_try_init_event+0x15b/0x1f0 kernel/events/core.c:9381
perf_init_event kernel/events/core.c:9419 [inline]
perf_event_alloc.part.0+0xe2d/0x2640 kernel/events/core.c:9679
perf_event_alloc kernel/events/core.c:10049 [inline]
SYSC_perf_event_open kernel/events/core.c:10153 [inline]
SyS_perf_event_open+0x683/0x2530 kernel/events/core.c:10039
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x5e/0xd3
-> #1 (tracepoints_mutex){+.+.}:
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893
tracepoint_probe_register_prio kernel/tracepoint.c:327 [inline]
tracepoint_probe_register+0x68/0xc0 kernel/tracepoint.c:352
trace_event_reg+0x272/0x330 kernel/trace/trace_events.c:305
perf_trace_event_reg kernel/trace/trace_event_perf.c:122 [inline]
perf_trace_event_init kernel/trace/trace_event_perf.c:197 [inline]
perf_trace_init+0x424/0xa30 kernel/trace/trace_event_perf.c:221
perf_tp_event_init+0x79/0xf0 kernel/events/core.c:8145
perf_try_init_event+0x15b/0x1f0 kernel/events/core.c:9381
perf_init_event kernel/events/core.c:9419 [inline]
perf_event_alloc.part.0+0xe2d/0x2640 kernel/events/core.c:9679
perf_event_alloc kernel/events/core.c:10049 [inline]
SYSC_perf_event_open kernel/events/core.c:10153 [inline]
SyS_perf_event_open+0x683/0x2530 kernel/events/core.c:10039
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x5e/0xd3
-> #0 (event_mutex){+.+.}:
lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893
ftrace_profile_set_filter+0x64/0x1c0 kernel/trace/trace_events_filter.c:2268
perf_event_set_filter kernel/events/core.c:8729 [inline]
_perf_ioctl+0x12b3/0x1a60 kernel/events/core.c:4852
perf_ioctl+0x55/0x80 kernel/events/core.c:4889
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x5e/0xd3
other info that might help us debug this:
Chain exists of:
event_mutex --> pmus_lock --> &cpuctx_mutex
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&cpuctx_mutex);
lock(pmus_lock);
lock(&cpuctx_mutex);
lock(event_mutex);
*** DEADLOCK ***
1 lock held by syz-executor.3/11232:
#0: (&cpuctx_mutex){+.+.}, at: [<ffffffff81636c4d>] perf_event_ctx_lock_nested+0x14d/0x2c0 kernel/events/core.c:1241
stack backtrace:
CPU: 0 PID: 11232 Comm: syz-executor.3 Not tainted 4.14.307-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x281 lib/dump_stack.c:58
print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1258
check_prev_add kernel/locking/lockdep.c:1905 [inline]
check_prevs_add kernel/locking/lockdep.c:2022 [inline]
validate_chain kernel/locking/lockdep.c:2464 [inline]
__lock_acquire+0x2e0e/0x3f20 kernel/locking/lockdep.c:3491
lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893
ftrace_profile_set_filter+0x64/0x1c0 kernel/trace/trace_events_filter.c:2268
perf_event_set_filter kernel/events/core.c:8729 [inline]
_perf_ioctl+0x12b3/0x1a60 kernel/events/core.c:4852
perf_ioctl+0x55/0x80 kernel/events/core.c:4889
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f99880120f9
RSP: 002b:00007f9986563168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f9988132050 RCX: 00007f99880120f9
RDX: 0000000020000000 RSI: 0000000040082406 RDI: 0000000000000005
RBP: 00007f998806dae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffa20b5f7f R14: 00007f9986563300 R15: 0000000000022000
audit: type=1800 audit(1677658557.633:54): pid=11216 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.1" name="bus" dev="loop1" ino=19 res=0
[EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=a803c028, mo2=0002]
System zones: 0-2, 18-18, 34-34
EXT4-fs (loop1): mounted filesystem without journal. Opts: init_itable,usrjquota=,auto_da_alloc=0x0000000000000000,errors=remount-ro,debug,
audit: type=1800 audit(1677658558.403:55): pid=11267 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.1" name="bus" dev="loop1" ino=19 res=0
[EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=a803c028, mo2=0002]
System zones: 0-2, 18-18, 34-34
[EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=a803c028, mo2=0002]
EXT4-fs (loop3): mounted filesystem without journal. Opts: init_itable,usrjquota=,auto_da_alloc=0x0000000000000000,errors=remount-ro,debug,
System zones:
[EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=a803c028, mo2=0002]
0-2, 18-18, 34-34
System zones: 0-2
EXT4-fs (loop1): mounted filesystem without journal. Opts: init_itable,usrjquota=,auto_da_alloc=0x0000000000000000,errors=remount-ro,debug,
, 18-18, 34-34
EXT4-fs (loop4): mounted filesystem without journal. Opts: init_itable,usrjquota=,auto_da_alloc=0x0000000000000000,errors=remount-ro,debug,
audit: type=1800 audit(1677658559.322:56): pid=11316 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name="bus" dev="loop3" ino=19 res=0
audit: type=1800 audit(1677658559.362:57): pid=11326 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.4" name="bus" dev="loop4" ino=19 res=0
[EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=a803c028, mo2=0002]
audit: type=1800 audit(1677658559.552:58): pid=11314 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.1" name="bus" dev="loop1" ino=19 res=0
System zones: 0-2, 18-18, 34-34
EXT4-fs (loop3): mounted filesystem without journal. Opts: init_itable,usrjquota=,auto_da_alloc=0x0000000000000000,errors=remount-ro,debug,
[EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=a803c028, mo2=0002]
audit: type=1800 audit(1677658559.652:59): pid=11354 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name="bus" dev="loop3" ino=19 res=0
System zones: 0-2, 18-18, 34-34
EXT4-fs (loop4): mounted filesystem without journal. Opts: init_itable,usrjquota=,auto_da_alloc=0x0000000000000000,errors=remount-ro,debug,
audit: type=1800 audit(1677658559.762:60): pid=11359 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.4" name="bus" dev="loop4" ino=19 res=0
[EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=a803c028, mo2=0002]
System zones: 0-2, 18-18, 34-34
[EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=a803c028, mo2=0002]
EXT4-fs (loop3): mounted filesystem without journal. Opts: init_itable,usrjquota=,auto_da_alloc=0x0000000000000000,errors=remount-ro,debug,
System zones: 0-2, 18-18, 34-34
audit: type=1800 audit(1677658560.042:61): pid=11376 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name="bus" dev="loop3" ino=19 res=0
EXT4-fs (loop1): mounted filesystem without journal. Opts: init_itable,usrjquota=,auto_da_alloc=0x0000000000000000,errors=remount-ro,debug,
audit: type=1800 audit(1677658560.292:62): pid=11378 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.1" name="bus" dev="loop1" ino=19 res=0
[EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=a803c028, mo2=0002]
System zones: 0-2, 18-18, 34-34
EXT4-fs (loop4): mounted filesystem without journal. Opts: init_itable,usrjquota=,auto_da_alloc=0x0000000000000000,errors=remount-ro,debug,
audit: type=1800 audit(1677658562.282:63): pid=11413 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.4" name="bus" dev="loop4" ino=19 res=0
Bluetooth: hci0 command 0x0406 tx timeout
Bluetooth: hci2 command 0x0406 tx timeout
Bluetooth: hci4 command 0x0406 tx timeout
Bluetooth: hci3 command 0x0406 tx timeout
Bluetooth: hci5 command 0x0406 tx timeout
Bluetooth: hci1 command 0x0406 tx timeout