INFO: task syz-executor.1:885 blocked for more than 143 seconds.
Not tainted 5.3.0-rc5+ #151
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1 D26760 885 1877 0x00004006
Call Trace:
context_switch kernel/sched/core.c:3254 [inline]
__schedule+0x755/0x1580 kernel/sched/core.c:3880
schedule+0xa8/0x270 kernel/sched/core.c:3944
schedule_timeout+0x717/0xc50 kernel/time/timer.c:1783
do_wait_for_common kernel/sched/completion.c:83 [inline]
__wait_for_common kernel/sched/completion.c:104 [inline]
wait_for_common kernel/sched/completion.c:115 [inline]
wait_for_completion+0x29c/0x440 kernel/sched/completion.c:136
__flush_work+0x508/0xa50 kernel/workqueue.c:3040
__cancel_work_timer+0x3d9/0x540 kernel/workqueue.c:3127
cancel_delayed_work_sync+0x1b/0x20 kernel/workqueue.c:3259
tls_sw_cancel_work_tx+0x68/0x80 net/tls/tls_sw.c:2063
tls_sk_proto_close+0x4ac/0x990 net/tls/tls_main.c:299
inet_release+0xed/0x200 net/ipv4/af_inet.c:427
inet6_release+0x53/0x80 net/ipv6/af_inet6.c:470
__sock_release+0xce/0x280 net/socket.c:590
sock_close+0x1e/0x30 net/socket.c:1268
__fput+0x2ff/0x890 fs/file_table.c:280
____fput+0x16/0x20 fs/file_table.c:313
task_work_run+0x145/0x1c0 kernel/task_work.c:113
get_signal+0x2078/0x2500 kernel/signal.c:2523
do_signal+0x87/0x1700 arch/x86/kernel/signal.c:815
exit_to_usermode_loop+0x286/0x380 arch/x86/entry/common.c:159
prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
syscall_return_slowpath arch/x86/entry/common.c:274 [inline]
do_syscall_64+0x5a9/0x6a0 arch/x86/entry/common.c:299
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459879
Code: 30 48 c7 44 24 38 00 00 00 00 48 c7 44 24 40 00 00 00 00 48 c7 44 24 48 00 00 00 00 e8 b0 67 ff ff 48 8b 44 24 50 48 8b 4c 24 <58> 48 89 01 48 8b 6c 24 60 48 83 c4 68 c3 e8 14 06 fd ff 0f 0b e8
RSP: 002b:00007fa5ad731c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: 00000000014c8000 RBX: 0000000000000006 RCX: 0000000000459879
RDX: fffffffffffffee0 RSI: 00000000200005c0 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 00000000000000b6
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa5ad7326d4
R13: 00000000004c7847 R14: 00000000004dd108 R15: 00000000ffffffff
INFO: task syz-executor.1:918 blocked for more than 143 seconds.
Not tainted 5.3.0-rc5+ #151
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1 D26712 918 1877 0x00004006
Call Trace:
context_switch kernel/sched/core.c:3254 [inline]
__schedule+0x755/0x1580 kernel/sched/core.c:3880
schedule+0xa8/0x270 kernel/sched/core.c:3944
schedule_timeout+0x717/0xc50 kernel/time/timer.c:1783
do_wait_for_common kernel/sched/completion.c:83 [inline]
__wait_for_common kernel/sched/completion.c:104 [inline]
wait_for_common kernel/sched/completion.c:115 [inline]
wait_for_completion+0x29c/0x440 kernel/sched/completion.c:136
__flush_work+0x508/0xa50 kernel/workqueue.c:3040
__cancel_work_timer+0x3d9/0x540 kernel/workqueue.c:3127
cancel_delayed_work_sync+0x1b/0x20 kernel/workqueue.c:3259
tls_sw_cancel_work_tx+0x68/0x80 net/tls/tls_sw.c:2063
tls_sk_proto_close+0x4ac/0x990 net/tls/tls_main.c:299
inet_release+0xed/0x200 net/ipv4/af_inet.c:427
inet6_release+0x53/0x80 net/ipv6/af_inet6.c:470
__sock_release+0xce/0x280 net/socket.c:590
sock_close+0x1e/0x30 net/socket.c:1268
__fput+0x2ff/0x890 fs/file_table.c:280
____fput+0x16/0x20 fs/file_table.c:313
task_work_run+0x145/0x1c0 kernel/task_work.c:113
get_signal+0x2078/0x2500 kernel/signal.c:2523
do_signal+0x87/0x1700 arch/x86/kernel/signal.c:815
exit_to_usermode_loop+0x286/0x380 arch/x86/entry/common.c:159
prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
syscall_return_slowpath arch/x86/entry/common.c:274 [inline]
do_syscall_64+0x5a9/0x6a0 arch/x86/entry/common.c:299
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459879
Code: 30 48 c7 44 24 38 00 00 00 00 48 c7 44 24 40 00 00 00 00 48 c7 44 24 48 00 00 00 00 e8 b0 67 ff ff 48 8b 44 24 50 48 8b 4c 24 <58> 48 89 01 48 8b 6c 24 60 48 83 c4 68 c3 e8 14 06 fd ff 0f 0b e8
RSP: 002b:00007fa5ad6cec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: 00000000013d8000 RBX: 0000000000000006 RCX: 0000000000459879
RDX: fffffffffffffee0 RSI: 00000000200005c0 RDI: 0000000000000003
RBP: 000000000075c118 R08: 0000000000000000 R09: 00000000000000b6
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa5ad6cf6d4
R13: 00000000004c7847 R14: 00000000004dd108 R15: 00000000ffffffff
Showing all locks held in the system:
2 locks held by kworker/0:1/12:
#0: 00000000ebe8be19 ((wq_completion)events){+.+.}, at: __write_once_size include/linux/compiler.h:226 [inline]
#0: 00000000ebe8be19 ((wq_completion)events){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: 00000000ebe8be19 ((wq_completion)events){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline]
#0: 00000000ebe8be19 ((wq_completion)events){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline]
#0: 00000000ebe8be19 ((wq_completion)events){+.+.}, at: set_work_data kernel/workqueue.c:620 [inline]
#0: 00000000ebe8be19 ((wq_completion)events){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:647 [inline]
#0: 00000000ebe8be19 ((wq_completion)events){+.+.}, at: process_one_work+0x88b/0x1740 kernel/workqueue.c:2240
#1: 000000002cf01caf ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x8c1/0x1740 kernel/workqueue.c:2244
1 lock held by khungtaskd/1058:
#0: 00000000476803f3 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:5256
1 lock held by rsyslogd/8461:
2 locks held by getty/8551:
#0: 000000009d113e54 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340
#1: 00000000a44287f3 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
2 locks held by getty/8552:
#0: 0000000026033519 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340
#1: 000000000b4c428c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
2 locks held by getty/8553:
#0: 000000002c13dcf1 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340
#1: 0000000061eabe4d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
2 locks held by getty/8554:
#0: 0000000028a0eddd (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340
#1: 00000000818dfea8 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
2 locks held by getty/8555:
#0: 0000000038f52bd7 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340
#1: 00000000042e39f6 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
2 locks held by getty/8556:
#0: 00000000ffecc837 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340
#1: 00000000025f8e2f (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
2 locks held by getty/8557:
#0: 000000009ec77837 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340
#1: 000000002c887494 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
2 locks held by kworker/1:9/30919:
#0: 00000000ebe8be19 ((wq_completion)events){+.+.}, at: __write_once_size include/linux/compiler.h:226 [inline]
#0: 00000000ebe8be19 ((wq_completion)events){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: 00000000ebe8be19 ((wq_completion)events){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline]
#0: 00000000ebe8be19 ((wq_completion)events){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline]
#0: 00000000ebe8be19 ((wq_completion)events){+.+.}, at: set_work_data kernel/workqueue.c:620 [inline]
#0: 00000000ebe8be19 ((wq_completion)events){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:647 [inline]
#0: 00000000ebe8be19 ((wq_completion)events){+.+.}, at: process_one_work+0x88b/0x1740 kernel/workqueue.c:2240
#1: 00000000590a69ee ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x8c1/0x1740 kernel/workqueue.c:2244
1 lock held by syz-executor.1/885:
#0: 00000000bd849393 (&sb->s_type->i_mutex_key#12){+.+.}, at: inode_lock include/linux/fs.h:778 [inline]
#0: 00000000bd849393 (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x89/0x280 net/socket.c:589
1 lock held by syz-executor.1/918:
#0: 000000007ffb6378 (&sb->s_type->i_mutex_key#12){+.+.}, at: inode_lock include/linux/fs.h:778 [inline]
#0: 000000007ffb6378 (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x89/0x280 net/socket.c:589
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 1058 Comm: khungtaskd Not tainted 5.3.0-rc5+ #151
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
nmi_cpu_backtrace.cold+0x70/0xb2 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x23b/0x28b lib/nmi_backtrace.c:62
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline]
watchdog+0x9d0/0xef0 kernel/hung_task.c:289
kthread+0x361/0x430 kernel/kthread.c:255
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0-rc5+ #151
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ksoftirqd_running+0x44/0x70 kernel/softirq.c:91
Code: 8b 25 70 7e bc 7e 83 e3 41 75 2d 4d 85 e4 74 28 49 8d 7c 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <75> 21 49 8b 54 24 10 31 c0 48 85 d2 74 05 5b 41 5c 5d c3 4c 89 e7
RSP: 0018:ffff8880ae909f58 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff833e1711
RDX: 1ffff1101531f48a RSI: ffffffff833e171a RDI: ffff8880a98fa450
RBP: ffff8880ae909f68 R08: ffff8880a98d8340 R09: ffffffff8a049048
R10: ffffffff8a049050 R11: 0000000000000001 R12: ffff8880a98fa440
R13: ffffffff88bcc148 R14: ffff8880ae900000 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 0000000099a16000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
invoke_softirq kernel/softirq.c:363 [inline]
irq_exit+0x152/0x1e0 kernel/softirq.c:413
scheduler_ipi+0x3ae/0x640 kernel/sched/core.c:2228
smp_reschedule_interrupt+0x78/0x4c0 arch/x86/kernel/smp.c:276
reschedule_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:854
RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61
Code: d8 89 6c fa eb 8a 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d d4 19 68 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d c4 19 68 00 fb f4 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 8e 30 20 fa e8 b9
RSP: 0018:ffff8880a98e7d68 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff02
RAX: 1ffffffff11e5e65 RBX: ffff8880a98d8340 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffff8880a98d8bcc
RBP: ffff8880a98e7d98 R08: ffff8880a98d8340 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: ffffffff89c5a078 R14: 0000000000000000 R15: 0000000000000001
arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:571
default_idle_call+0x84/0xb0 kernel/sched/idle.c:94
cpuidle_idle_call kernel/sched/idle.c:154 [inline]
do_idle+0x413/0x760 kernel/sched/idle.c:263
cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:354
start_secondary+0x315/0x430 arch/x86/kernel/smpboot.c:264
secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:241