INFO: task syz-executor.5:17687 blocked for more than 140 seconds.
Not tainted 5.0.0+ #12
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D28376 17687 7848 0x20020004
Call Trace:
context_switch kernel/sched/core.c:2877 [inline]
__schedule+0x817/0x1cc0 kernel/sched/core.c:3518
schedule+0x92/0x180 kernel/sched/core.c:3562
schedule_timeout+0x8ca/0xfd0 kernel/time/timer.c:1779
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:680 [inline]
crypto_wait_req include/linux/crypto.h:675 [inline]
tls_sw_free_resources_tx+0x3c2/0xa30 net/tls/tls_sw.c:2041
tls_sk_proto_close+0x644/0x7a0 net/tls/tls_main.c:268
inet_release+0x105/0x1f0 net/ipv4/af_inet.c:428
__sock_release+0x1fe/0x2b0 net/socket.c:579
sock_release+0x18/0x20 net/socket.c:599
smc_release+0x55c/0x890 net/smc/af_smc.c:171
__sock_release+0xd3/0x2b0 net/socket.c:579
sock_close+0x1b/0x30 net/socket.c:1162
__fput+0x2df/0x8d0 fs/file_table.c:278
____fput+0x16/0x20 fs/file_table.c:309
task_work_run+0x14a/0x1c0 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:188 [inline]
exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:166
prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
do_syscall_32_irqs_on arch/x86/entry/common.c:341 [inline]
do_fast_syscall_32+0xa9d/0xc98 arch/x86/entry/common.c:397
entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7fe1869
Code: Bad RIP value.
RSP: 002b:000000000845fd7c EFLAGS: 00000216 ORIG_RAX: 0000000000000006
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000000000
RDX: 0000000000000007 RSI: 0000000000000005 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Showing all locks held in the system:
1 lock held by khungtaskd/1042:
#0: 0000000022e189f8 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:5052
1 lock held by rsyslogd/7706:
#0: 00000000ad904b8d (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:796
2 locks held by getty/7796:
#0: 000000007258b3b3 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 00000000b426454c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156
2 locks held by getty/7797:
#0: 00000000badd2031 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 0000000048a88fa8 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156
2 locks held by getty/7798:
#0: 00000000268e43a5 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 00000000354f50a6 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156
2 locks held by getty/7799:
#0: 000000006959fcb4 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 0000000015e2eb58 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156
2 locks held by getty/7800:
#0: 0000000073f81d46 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 00000000ded4af00 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156
2 locks held by getty/7801:
#0: 000000006b58de7b (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 0000000002eebd21 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156
2 locks held by getty/7802:
#0: 00000000f547ca45 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
#1: 00000000ca26b35d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156
4 locks held by syz-executor.5/17687:
#0: 000000000983e1cc (&sb->s_type->i_mutex_key#11){+.+.}, at: inode_lock include/linux/fs.h:764 [inline]
#0: 000000000983e1cc (&sb->s_type->i_mutex_key#11){+.+.}, at: __sock_release+0x89/0x2b0 net/socket.c:578
#1: 00000000fc87527c (sk_lock-AF_SMC){+.+.}, at: lock_sock include/net/sock.h:1507 [inline]
#1: 00000000fc87527c (sk_lock-AF_SMC){+.+.}, at: smc_release+0x17f/0x890 net/smc/af_smc.c:149
#2: 0000000049d06f6f (&smc->clcsock_release_lock){+.+.}, at: smc_release+0x534/0x890 net/smc/af_smc.c:170
#3: 00000000985d3db3 (k-sk_lock-AF_INET){+.+.}, at: lock_sock include/net/sock.h:1507 [inline]
#3: 00000000985d3db3 (k-sk_lock-AF_INET){+.+.}, at: tls_sk_proto_close+0xd6/0x7a0 net/tls/tls_main.c:250
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 1042 Comm: khungtaskd Not tainted 5.0.0+ #12
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:203 [inline]
watchdog+0x9b2/0xeb0 kernel/hung_task.c:287
kthread+0x357/0x430 kernel/kthread.c:253
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:57