INFO: task syz-executor.1:22688 blocked for more than 143 seconds. Not tainted 5.1.0-rc6+ #157 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D27144 22688 29458 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x813/0x1cc0 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_sendmsg+0x13a6/0x17b0 net/tls/tls_sw.c:1062 inet_sendmsg+0x147/0x5e0 net/ipv4/af_inet.c:802 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:661 ___sys_sendmsg+0x806/0x930 net/socket.c:2280 __sys_sendmsg+0x105/0x1d0 net/socket.c:2318 __do_sys_sendmsg net/socket.c:2327 [inline] __se_sys_sendmsg net/socket.c:2325 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2325 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 Code: 05 0c cc 45 00 48 89 04 24 48 c7 44 24 08 01 00 00 00 e8 6a 3e fd ff 48 8b 44 24 18 48 89 04 24 e8 0c 3d fd ff 48 8d 05 e5 cb <45> 00 48 89 04 24 48 c7 44 24 08 01 00 00 00 e8 43 3e fd ff 48 8b RSP: 002b:00007fe007d53c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458da9 RDX: 0000000000004000 RSI: 00000000200002c0 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe007d546d4 R13: 00000000004c63fc R14: 00000000004dacb8 R15: 00000000ffffffff INFO: task syz-executor.1:22695 blocked for more than 143 seconds. Not tainted 5.1.0-rc6+ #157 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D30016 22695 29458 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x813/0x1cc0 kernel/sched/core.c:3518 schedule+0x92/0x180 kernel/sched/core.c:3562 __lock_sock+0x165/0x290 net/core/sock.c:2389 lock_sock_nested+0xfe/0x120 net/core/sock.c:2914 lock_sock include/net/sock.h:1520 [inline] tls_sw_sendmsg+0x25d/0x17b0 net/tls/tls_sw.c:890 inet_sendmsg+0x147/0x5e0 net/ipv4/af_inet.c:802 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:661 __sys_sendto+0x262/0x380 net/socket.c:1952 __do_sys_sendto net/socket.c:1964 [inline] __se_sys_sendto net/socket.c:1960 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1960 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 Code: 05 0c cc 45 00 48 89 04 24 48 c7 44 24 08 01 00 00 00 e8 6a 3e fd ff 48 8b 44 24 18 48 89 04 24 e8 0c 3d fd ff 48 8d 05 e5 cb <45> 00 48 89 04 24 48 c7 44 24 08 01 00 00 00 e8 43 3e fd ff 48 8b RSP: 002b:00007fe007d32c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000458da9 RDX: 0000000000000001 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004000 R11: 0000000000000246 R12: 00007fe007d336d4 R13: 00000000004c6732 R14: 00000000004db0f0 R15: 00000000ffffffff INFO: task syz-executor.1:22698 blocked for more than 143 seconds. Not tainted 5.1.0-rc6+ #157 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D30016 22698 29458 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x813/0x1cc0 kernel/sched/core.c:3518 schedule+0x92/0x180 kernel/sched/core.c:3562 __lock_sock+0x165/0x290 net/core/sock.c:2389 lock_sock_nested+0xfe/0x120 net/core/sock.c:2914 lock_sock include/net/sock.h:1520 [inline] tls_sw_sendmsg+0x25d/0x17b0 net/tls/tls_sw.c:890 inet_sendmsg+0x147/0x5e0 net/ipv4/af_inet.c:802 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:661 __sys_sendto+0x262/0x380 net/socket.c:1952 __do_sys_sendto net/socket.c:1964 [inline] __se_sys_sendto net/socket.c:1960 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1960 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 Code: 05 0c cc 45 00 48 89 04 24 48 c7 44 24 08 01 00 00 00 e8 6a 3e fd ff 48 8b 44 24 18 48 89 04 24 e8 0c 3d fd ff 48 8d 05 e5 cb <45> 00 48 89 04 24 48 c7 44 24 08 01 00 00 00 e8 43 3e fd ff 48 8b RSP: 002b:00007fe007d11c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000458da9 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 000000000073c040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004000 R11: 0000000000000246 R12: 00007fe007d126d4 R13: 00000000004c6732 R14: 00000000004db0f0 R15: 00000000ffffffff INFO: task syz-executor.1:22702 blocked for more than 144 seconds. Not tainted 5.1.0-rc6+ #157 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D30320 22702 29458 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x813/0x1cc0 kernel/sched/core.c:3518 schedule+0x92/0x180 kernel/sched/core.c:3562 __lock_sock+0x165/0x290 net/core/sock.c:2389 lock_sock_nested+0xfe/0x120 net/core/sock.c:2914 lock_sock include/net/sock.h:1520 [inline] do_tcp_setsockopt.isra.0+0x15b/0x23f0 net/ipv4/tcp.c:2826 tcp_setsockopt+0xc4/0xf0 net/ipv4/tcp.c:3114 tls_setsockopt+0xac/0x8d0 net/tls/tls_main.c:591 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:3125 __sys_setsockopt+0x180/0x280 net/socket.c:2066 __do_sys_setsockopt net/socket.c:2077 [inline] __se_sys_setsockopt net/socket.c:2074 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:2074 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 Code: 05 0c cc 45 00 48 89 04 24 48 c7 44 24 08 01 00 00 00 e8 6a 3e fd ff 48 8b 44 24 18 48 89 04 24 e8 0c 3d fd ff 48 8d 05 e5 cb <45> 00 48 89 04 24 48 c7 44 24 08 01 00 00 00 e8 43 3e fd ff 48 8b RSP: 002b:00007fe007cf0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000458da9 RDX: 0000000000000019 RSI: 0000000000000006 RDI: 0000000000000003 RBP: 000000000073c0e0 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020000140 R11: 0000000000000246 R12: 00007fe007cf16d4 R13: 00000000004c6e1e R14: 00000000004dbdc8 R15: 00000000ffffffff INFO: task syz-executor.1:22705 blocked for more than 144 seconds. Not tainted 5.1.0-rc6+ #157 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D28032 22705 29458 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x813/0x1cc0 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_sendmsg+0x13a6/0x17b0 net/tls/tls_sw.c:1062 inet_sendmsg+0x147/0x5e0 net/ipv4/af_inet.c:802 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:661 ___sys_sendmsg+0x806/0x930 net/socket.c:2280 __sys_sendmsg+0x105/0x1d0 net/socket.c:2318 __do_sys_sendmsg net/socket.c:2327 [inline] __se_sys_sendmsg net/socket.c:2325 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2325 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 Code: 05 0c cc 45 00 48 89 04 24 48 c7 44 24 08 01 00 00 00 e8 6a 3e fd ff 48 8b 44 24 18 48 89 04 24 e8 0c 3d fd ff 48 8d 05 e5 cb <45> 00 48 89 04 24 48 c7 44 24 08 01 00 00 00 e8 43 3e fd ff 48 8b RSP: 002b:00007fe007ccfc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458da9 RDX: 0000000000004000 RSI: 00000000200002c0 RDI: 0000000000000003 RBP: 000000000073c180 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe007cd06d4 R13: 00000000004c63fc R14: 00000000004dacb8 R15: 00000000ffffffff INFO: task syz-executor.1:22722 blocked for more than 144 seconds. Not tainted 5.1.0-rc6+ #157 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D28832 22722 29458 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x813/0x1cc0 kernel/sched/core.c:3518 schedule+0x92/0x180 kernel/sched/core.c:3562 __lock_sock+0x165/0x290 net/core/sock.c:2389 lock_sock_nested+0xfe/0x120 net/core/sock.c:2914 lock_sock include/net/sock.h:1520 [inline] tls_sw_sendmsg+0x25d/0x17b0 net/tls/tls_sw.c:890 inet_sendmsg+0x147/0x5e0 net/ipv4/af_inet.c:802 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:661 __sys_sendto+0x262/0x380 net/socket.c:1952 __do_sys_sendto net/socket.c:1964 [inline] __se_sys_sendto net/socket.c:1960 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1960 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 Code: 05 0c cc 45 00 48 89 04 24 48 c7 44 24 08 01 00 00 00 e8 6a 3e fd ff 48 8b 44 24 18 48 89 04 24 e8 0c 3d fd ff 48 8d 05 e5 cb <45> 00 48 89 04 24 48 c7 44 24 08 01 00 00 00 e8 43 3e fd ff 48 8b RSP: 002b:00007fe007caec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000458da9 RDX: 0000000000000001 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 000000000073c220 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004000 R11: 0000000000000246 R12: 00007fe007caf6d4 R13: 00000000004c6732 R14: 00000000004db0f0 R15: 00000000ffffffff Showing all locks held in the system: 2 locks held by kworker/u4:3/310: #0: 0000000046ad97b4 (&rq->lock){-.-.}, at: idle_balance kernel/sched/fair.c:10078 [inline] #0: 0000000046ad97b4 (&rq->lock){-.-.}, at: pick_next_task_fair+0x1214/0x19a0 kernel/sched/fair.c:7087 #1: 000000002285a1fd (rcu_read_lock){....}, at: __update_idle_core+0x45/0x3f0 kernel/sched/fair.c:6084 1 lock held by khungtaskd/1042: #0: 000000002285a1fd (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:5057 1 lock held by rsyslogd/7650: #0: 0000000005590526 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:801 2 locks held by getty/7739: #0: 000000000479ed90 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 0000000046cf1f24 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7740: #0: 000000000860badc (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 0000000075427c93 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7741: #0: 00000000bf464358 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000bf3b6ea8 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7742: #0: 000000001852394c (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000001f2c9c3d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7743: #0: 000000002edac7af (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000d4e4ecf8 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7744: #0: 000000005d34f59d (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000d219d4f7 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7745: #0: 000000009c1d6795 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000c1194644 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 1 lock held by syz-executor.1/22688: #0: 000000001a21254c (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1520 [inline] #0: 000000001a21254c (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendmsg+0x25d/0x17b0 net/tls/tls_sw.c:890 1 lock held by syz-executor.1/22705: #0: 0000000081d6ded9 (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1520 [inline] #0: 0000000081d6ded9 (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendmsg+0x25d/0x17b0 net/tls/tls_sw.c:890 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1042 Comm: khungtaskd Not tainted 5.1.0-rc6+ #157 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:204 [inline] watchdog+0x9b7/0xec0 kernel/hung_task.c:288 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: