audit: type=1400 audit(2000001025.110:38532): avc: denied { map } for pid=17927 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
audit: type=1400 audit(2000001025.140:38533): avc: denied { map } for pid=17927 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
INFO: task syz-executor.5:4275 blocked for more than 140 seconds.
Not tainted 4.14.129+ #11
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D29064 4275 1851 0x80000002
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893
perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
_free_event+0x293/0xaf0 kernel/events/core.c:4243
put_event+0x20/0x30 kernel/events/core.c:4329
perf_event_release_kernel+0x383/0x870 kernel/events/core.c:4430
perf_release+0x33/0x40 kernel/events/core.c:4440
__fput+0x25e/0x700 fs/file_table.c:210
task_work_run+0x118/0x190 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0x903/0x2960 kernel/exit.c:874
INFO: task syz-executor.5:4300 blocked for more than 140 seconds.
Not tainted 4.14.129+ #11
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D28360 4300 1851 0x80000002
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893
perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
_free_event+0x293/0xaf0 kernel/events/core.c:4243
put_event+0x20/0x30 kernel/events/core.c:4329
perf_event_release_kernel+0x383/0x870 kernel/events/core.c:4430
perf_release+0x33/0x40 kernel/events/core.c:4440
__fput+0x25e/0x700 fs/file_table.c:210
task_work_run+0x118/0x190 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0x903/0x2960 kernel/exit.c:874
INFO: task syz-executor.5:4317 blocked for more than 140 seconds.
Not tainted 4.14.129+ #11
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D28360 4317 1851 0x80000002
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893
perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
_free_event+0x293/0xaf0 kernel/events/core.c:4243
put_event+0x20/0x30 kernel/events/core.c:4329
perf_event_release_kernel+0x383/0x870 kernel/events/core.c:4430
perf_release+0x33/0x40 kernel/events/core.c:4440
__fput+0x25e/0x700 fs/file_table.c:210
task_work_run+0x118/0x190 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0x903/0x2960 kernel/exit.c:874
INFO: task syz-executor.5:7924 blocked for more than 140 seconds.
Not tainted 4.14.129+ #11
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D28360 7924 1851 0x80000002
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893
perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
_free_event+0x293/0xaf0 kernel/events/core.c:4243
put_event+0x20/0x30 kernel/events/core.c:4329
perf_event_release_kernel+0x383/0x870 kernel/events/core.c:4430
perf_release+0x33/0x40 kernel/events/core.c:4440
__fput+0x25e/0x700 fs/file_table.c:210
task_work_run+0x118/0x190 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0x903/0x2960 kernel/exit.c:874
INFO: task syz-executor.5:16929 blocked for more than 140 seconds.
Not tainted 4.14.129+ #11
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D28360 16929 1851 0x80000002
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893
perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
_free_event+0x293/0xaf0 kernel/events/core.c:4243
put_event+0x20/0x30 kernel/events/core.c:4329
perf_event_release_kernel+0x383/0x870 kernel/events/core.c:4430
perf_release+0x33/0x40 kernel/events/core.c:4440
__fput+0x25e/0x700 fs/file_table.c:210
task_work_run+0x118/0x190 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0x903/0x2960 kernel/exit.c:874
INFO: task syz-executor.3:17269 blocked for more than 140 seconds.
Not tainted 4.14.129+ #11
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3 D29312 17269 5433 0x80000002
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893
perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
_free_event+0x293/0xaf0 kernel/events/core.c:4243
put_event+0x20/0x30 kernel/events/core.c:4329
perf_event_release_kernel+0x383/0x870 kernel/events/core.c:4430
perf_release+0x33/0x40 kernel/events/core.c:4440
__fput+0x25e/0x700 fs/file_table.c:210
task_work_run+0x118/0x190 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0x903/0x2960 kernel/exit.c:874
INFO: task syz-executor.3:17302 blocked for more than 140 seconds.
Not tainted 4.14.129+ #11
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3 D28360 17302 5433 0x80000002
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893
perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
_free_event+0x293/0xaf0 kernel/events/core.c:4243
put_event+0x20/0x30 kernel/events/core.c:4329
perf_event_release_kernel+0x383/0x870 kernel/events/core.c:4430
perf_release+0x33/0x40 kernel/events/core.c:4440
__fput+0x25e/0x700 fs/file_table.c:210
task_work_run+0x118/0x190 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0x903/0x2960 kernel/exit.c:874
INFO: task syz-executor.5:22973 blocked for more than 140 seconds.
Not tainted 4.14.129+ #11
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D28360 22973 1851 0x80000002
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893
perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
_free_event+0x293/0xaf0 kernel/events/core.c:4243
put_event+0x20/0x30 kernel/events/core.c:4329
perf_event_release_kernel+0x383/0x870 kernel/events/core.c:4430
perf_release+0x33/0x40 kernel/events/core.c:4440
__fput+0x25e/0x700 fs/file_table.c:210
task_work_run+0x118/0x190 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0x903/0x2960 kernel/exit.c:874
INFO: task syz-executor.3:23057 blocked for more than 140 seconds.
Not tainted 4.14.129+ #11
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3 D28248 23057 5433 0x80000002
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893
perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
_free_event+0x293/0xaf0 kernel/events/core.c:4243
put_event+0x20/0x30 kernel/events/core.c:4329
perf_event_release_kernel+0x383/0x870 kernel/events/core.c:4430
perf_release+0x33/0x40 kernel/events/core.c:4440
__fput+0x25e/0x700 fs/file_table.c:210
task_work_run+0x118/0x190 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0x903/0x2960 kernel/exit.c:874
INFO: task syz-executor.5:24511 blocked for more than 140 seconds.
Not tainted 4.14.129+ #11
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D28360 24511 1851 0x80000002
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893
perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
_free_event+0x293/0xaf0 kernel/events/core.c:4243
put_event+0x20/0x30 kernel/events/core.c:4329
perf_event_release_kernel+0x383/0x870 kernel/events/core.c:4430
perf_release+0x33/0x40 kernel/events/core.c:4440
__fput+0x25e/0x700 fs/file_table.c:210
task_work_run+0x118/0x190 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0x903/0x2960 kernel/exit.c:874
Showing all locks held in the system:
1 lock held by khungtaskd/23:
#0: (tasklist_lock){.+.?}, at: [<000000009edaa07a>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4541
1 lock held by rsyslogd/1634:
#0: (&f->f_pos_lock){+.+.}, at: [<00000000bf17b220>] __fdget_pos+0xa6/0xc0 fs/file.c:769
2 locks held by getty/1762:
#0: (&tty->ldisc_sem){++++}, at: [<00000000347e313e>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284
#1: (&ldata->atomic_read_lock){+.+.}, at: [<0000000019da2702>] n_tty_read+0x1f7/0x1700 drivers/tty/n_tty.c:2156
1 lock held by syz-executor.5/4275:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.5/4300:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.5/4317:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.5/7924:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.5/16929:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.3/17269:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.3/17302:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.5/22973:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.3/23057:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.5/24511:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.5/24522:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.3/26974:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.5/31147:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.5/31168:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.3/31825:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.5/5932:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.2/7207:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.2/7211:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
3 locks held by syz-executor.5/8556:
#0: (&ctx->mutex){+.+.}, at: [<0000000056050663>] perf_event_release_kernel+0x1f2/0x870 kernel/events/core.c:4401
#1: (&event->child_mutex){+.+.}, at: [<00000000e1869e3c>] perf_event_release_kernel+0x1fc/0x870 kernel/events/core.c:4402
#2: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.5/8559:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.5/8629:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
3 locks held by syz-executor.5/13089:
#0: (&ctx->mutex){+.+.}, at: [<0000000056050663>] perf_event_release_kernel+0x1f2/0x870 kernel/events/core.c:4401
#1: (&event->child_mutex){+.+.}, at: [<00000000e1869e3c>] perf_event_release_kernel+0x1fc/0x870 kernel/events/core.c:4402
#2: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.5/13093:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.5/16384:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.5/16397:
#0: (event_mutex){+.+.}, at: [<000000008751f2c8>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234
3 locks held by syz-executor.5/17718:
#0: (&sig->cred_guard_mutex){+.+.}, at: [<00000000886be040>] SYSC_perf_event_open kernel/events/core.c:10085 [inline]
#0: (&sig->cred_guard_mutex){+.+.}, at: [<00000000886be040>] SyS_perf_event_open+0x133c/0x2530 kernel/events/core.c:9988
#1: (&pmus_srcu){....}, at: [<000000003d8d3431>] perf_event_alloc.part.0+0xadd/0x1e70 kernel/events/core.c:9639
#2: (event_mutex){+.+.}, at: [<000000006455308d>] perf_trace_init+0x4f/0xa60 kernel/trace/trace_event_perf.c:216
3 locks held by syz-executor.3/17724:
#0: (&sig->cred_guard_mutex){+.+.}, at: [<00000000886be040>] SYSC_perf_event_open kernel/events/core.c:10085 [inline]
#0: (&sig->cred_guard_mutex){+.+.}, at: [<00000000886be040>] SyS_perf_event_open+0x133c/0x2530 kernel/events/core.c:9988
#1: (&pmus_srcu){....}, at: [<000000003d8d3431>] perf_event_alloc.part.0+0xadd/0x1e70 kernel/events/core.c:9639
#2: (event_mutex){+.+.}, at: [<000000006455308d>] perf_trace_init+0x4f/0xa60 kernel/trace/trace_event_perf.c:216
3 locks held by syz-executor.2/17914:
#0: (&sig->cred_guard_mutex){+.+.}, at: [<00000000886be040>] SYSC_perf_event_open kernel/events/core.c:10085 [inline]
#0: (&sig->cred_guard_mutex){+.+.}, at: [<00000000886be040>] SyS_perf_event_open+0x133c/0x2530 kernel/events/core.c:9988
#1: (&pmus_srcu){....}, at: [<000000003d8d3431>] perf_event_alloc.part.0+0xadd/0x1e70 kernel/events/core.c:9639
#2: (event_mutex){+.+.}, at: [<000000006455308d>] perf_trace_init+0x4f/0xa60 kernel/trace/trace_event_perf.c:216
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 23 Comm: khungtaskd Not tainted 4.14.129+ #11
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0xb9/0x10e lib/dump_stack.c:53
nmi_cpu_backtrace.cold+0x47/0x86 lib/nmi_backtrace.c:101
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.14.129+ #11
task: 00000000bd3aeeb9 task.stack: 000000009ea9de92
RIP: 0010:clear_buddies+0x0/0x3f0 kernel/sched/fair.c:4033
RSP: 0018:ffffffff83c07af8 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: 1ffffffff07c27c4
RDX: 1ffff1103b745464 RSI: ffff8881d523af80 RDI: ffff8881dba2a2e0
RBP: ffff8881dba2a2e0 R08: 0000000000007855 R09: 0000000000000001
R10: ffffffff83c31470 R11: 0000000000000001 R12: ffff8881d523af80
R13: ffff8881d523af80 R14: 0000000000000000 R15: ffff8881dba2a320
FS: 0000000000000000(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd1332c8000 CR3: 000000015fc26003 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
pick_next_entity+0x190/0x3d0 kernel/sched/fair.c:4225
pick_next_task_fair+0x1362/0x2860 kernel/sched/fair.c:8390
pick_next_task kernel/sched/core.c:3294 [inline]
__schedule+0x500/0x1f30 kernel/sched/core.c:3420
schedule_idle+0x58/0x80 kernel/sched/core.c:3525
do_idle+0x22a/0x390 kernel/sched/idle.c:292
cpu_startup_entry+0xc6/0xd0 kernel/sched/idle.c:374
start_kernel+0x712/0x74a init/main.c:709
secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240
Code: 01 00 00 48 85 db 75 bd 5b 5d c3 e8 ab e3 3a 00 eb c7 e8 a4 e3 3a 00 eb e3 e8 9d e3 3a 00 eb 8e 90 66 2e 0f 1f 84 00 00 00 00 00 <48> b8 00 00 00 00 00 fc ff df 41 55 41 54 49 89 fc 48 83 c7 48