INFO: task syz-executor.5:32245 blocked for more than 143 seconds.
Not tainted 5.2.0-rc3+ #50
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D28128 32245 16865 0x00004004
Call Trace:
context_switch kernel/sched/core.c:2818 [inline]
__schedule+0x7cb/0x1560 kernel/sched/core.c:3445
schedule+0xa8/0x260 kernel/sched/core.c:3509
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
crypto_wait_req include/linux/crypto.h:675 [inline]
crypto_wait_req include/linux/crypto.h:670 [inline]
tls_sw_free_resources_tx+0x51f/0x6e0 net/tls/tls_sw.c:2064
tls_sk_proto_close+0x5ef/0x770 net/tls/tls_main.c:289
inet_release+0xe0/0x1f0 net/ipv4/af_inet.c:427
inet6_release+0x53/0x80 net/ipv6/af_inet6.c:470
__sock_release+0xce/0x2a0 net/socket.c:601
sock_close+0x1b/0x30 net/socket.c:1273
__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
tracehook_notify_resume include/linux/tracehook.h:185 [inline]
exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:168
prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
syscall_return_slowpath arch/x86/entry/common.c:279 [inline]
do_syscall_64+0x58e/0x680 arch/x86/entry/common.c:304
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x412fb1
Code: 75 52 0f b6 19 48 ff c1 0f ba e3 00 73 de 48 89 54 24 20 89 5c 24 1c 48 89 4c 24 38 48 8b 44 24 68 48 8d 0c 02 48 8b 5c 24 60 <48> 8d 34 1a 48 8b 09 48 89 4c 24 08 48 89 34 24 e8 9a ea ff ff 48
RSP: 002b:00007fff4dafd550 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000412fb1
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
RBP: 0000000000000001 R08: 00000000d96bf7bf R09: ffffffffffffffff
R10: 00007fff4dafd630 R11: 0000000000000293 R12: 000000000075c9a0
R13: 000000000075c9a0 R14: 0000000000096647 R15: 000000000075c124
Showing all locks held in the system:
1 lock held by khungtaskd/1043:
#0: 00000000b7b439cb (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:5149
2 locks held by getty/8849:
#0: 00000000cc35b151 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 00000000823091f9 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156
2 locks held by getty/8850:
#0: 00000000761cddcc (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 0000000097befe0d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156
2 locks held by getty/8851:
#0: 0000000060eb7921 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 00000000e08a5ed9 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156
2 locks held by getty/8852:
#0: 000000001ee95ea7 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 000000001723a810 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156
2 locks held by getty/8853:
#0: 0000000031c201bf (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 00000000ef80fc1e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156
2 locks held by getty/8854:
#0: 00000000680b07cd (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 000000007761daaa (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156
2 locks held by getty/8855:
#0: 00000000dd272932 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 00000000594c5a17 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156
2 locks held by syz-executor.5/32245:
#0: 00000000e11e07da (&sb->s_type->i_mutex_key#11){+.+.}, at: inode_lock include/linux/fs.h:778 [inline]
#0: 00000000e11e07da (&sb->s_type->i_mutex_key#11){+.+.}, at: __sock_release+0x89/0x2a0 net/socket.c:600
#1: 00000000a3a3bf8f (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1520 [inline]
#1: 00000000a3a3bf8f (sk_lock-AF_INET6){+.+.}, at: tls_sk_proto_close+0xd6/0x770 net/tls/tls_main.c:271
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 1043 Comm: khungtaskd Not tainted 5.2.0-rc3+ #50
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+0x63/0xa4 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x1be/0x236 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+0x9b7/0xec0 kernel/hung_task.c:289
kthread+0x354/0x420 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 5.2.0-rc3+ #50
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:lookup_object lib/debugobjects.c:156 [inline]
RIP: 0010:debug_object_deactivate lib/debugobjects.c:542 [inline]
RIP: 0010:debug_object_deactivate+0x174/0x360 lib/debugobjects.c:529
Code: 3c 2a 00 0f 85 8e 01 00 00 4d 8b 24 24 4d 85 e4 0f 84 e9 00 00 00 49 8d 7c 24 18 83 c3 01 48 89 fa 48 c1 ea 03 42 80 3c 2a 00 <0f> 85 3f 01 00 00 4d 3b 7c 24 18 75 c0 49 8d 7c 24 10 48 b8 00 00
RSP: 0018:ffff8880ae909ce0 EFLAGS: 00000046
RAX: 1ffffffff14f8a38 RBX: 0000000000000002 RCX: ffffffff81585bea
RDX: 1ffff11011a9ab22 RSI: ffffffff88bad1a0 RDI: ffff88808d4d5910
RBP: ffff8880ae909dd0 R08: 1ffff11015d21388 R09: ffffffff8a7c51c8
R10: 0000000000000086 R11: 0000000000000003 R12: ffff88808d4d58f8
R13: dffffc0000000000 R14: 1ffff11015d213a0 R15: ffff88805d16ab40
FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 000000008be72000 CR4: 00000000001406e0
Call Trace:
debug_timer_deactivate kernel/time/timer.c:715 [inline]
debug_deactivate kernel/time/timer.c:764 [inline]
detach_timer kernel/time/timer.c:809 [inline]
expire_timers kernel/time/timer.c:1356 [inline]
__run_timers kernel/time/timer.c:1685 [inline]
__run_timers kernel/time/timer.c:1653 [inline]
run_timer_softirq+0x4de/0x1740 kernel/time/timer.c:1698
__do_softirq+0x25c/0x94c kernel/softirq.c:293
invoke_softirq kernel/softirq.c:374 [inline]
irq_exit+0x180/0x1d0 kernel/softirq.c:414
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1068
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:806
RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61
Code: ff ff 48 89 df e8 82 93 8c fa eb 82 e9 07 00 00 00 0f 00 2d b4 3d 4b 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d a4 3d 4b 00 fb f4 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 ee 0e 42 fa e8 29
RSP: 0018:ffff8880a98e7d78 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff1164e81 RBX: ffff8880a98d4340 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffff8880a98d4bbc
RBP: ffff8880a98e7da8 R08: ffff8880a98d4340 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffffffff88b273f8 R14: 0000000000000001 R15: 0000000000000000
arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:571
default_idle_call+0x36/0x90 kernel/sched/idle.c:94
cpuidle_idle_call kernel/sched/idle.c:154 [inline]
do_idle+0x377/0x560 kernel/sched/idle.c:263
cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:354
start_secondary+0x34e/0x4c0 arch/x86/kernel/smpboot.c:265
secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243