INFO: task syz-executor.3:18000 blocked for more than 143 seconds. Not tainted 5.1.0-rc5+ #145 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D27144 18000 10852 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:2260 __sys_sendmsg+0x105/0x1d0 net/socket.c:2298 __do_sys_sendmsg net/socket.c:2307 [inline] __se_sys_sendmsg net/socket.c:2305 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2305 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458c29 Code: cc 64 48 8b 0c 25 f8 ff ff ff 48 3b 61 10 0f 86 df 00 00 00 48 83 ec 30 48 89 6c 24 28 48 8d 6c 24 28 48 8b 42 08 48 8b 48 70 <48> 89 4c 24 20 48 8b 10 48 89 54 24 18 48 8b 40 08 48 89 44 24 10 RSP: 002b:00007fc27625cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 RDX: 0000000000004000 RSI: 00000000200002c0 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc27625d6d4 R13: 00000000004c6269 R14: 00000000004dab38 R15: 00000000ffffffff INFO: task syz-executor.3:18008 blocked for more than 143 seconds. Not tainted 5.1.0-rc5+ #145 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D30016 18008 10852 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:1932 __do_sys_sendto net/socket.c:1944 [inline] __se_sys_sendto net/socket.c:1940 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1940 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458c29 Code: cc 64 48 8b 0c 25 f8 ff ff ff 48 3b 61 10 0f 86 df 00 00 00 48 83 ec 30 48 89 6c 24 28 48 8d 6c 24 28 48 8b 42 08 48 8b 48 70 <48> 89 4c 24 20 48 8b 10 48 89 54 24 18 48 8b 40 08 48 89 44 24 10 RSP: 002b:00007fc27623bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000458c29 RDX: 0000000000000001 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004000 R11: 0000000000000246 R12: 00007fc27623c6d4 R13: 00000000004c659f R14: 00000000004daf70 R15: 00000000ffffffff INFO: task syz-executor.3:18012 blocked for more than 143 seconds. Not tainted 5.1.0-rc5+ #145 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D30320 18012 10852 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:594 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:3120 __sys_setsockopt+0x180/0x280 net/socket.c:2046 __do_sys_setsockopt net/socket.c:2057 [inline] __se_sys_setsockopt net/socket.c:2054 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:2054 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458c29 Code: cc 64 48 8b 0c 25 f8 ff ff ff 48 3b 61 10 0f 86 df 00 00 00 48 83 ec 30 48 89 6c 24 28 48 8d 6c 24 28 48 8b 42 08 48 8b 48 70 <48> 89 4c 24 20 48 8b 10 48 89 54 24 18 48 8b 40 08 48 89 44 24 10 RSP: 002b:00007fc27621ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000458c29 RDX: 0000000000000019 RSI: 0000000000000006 RDI: 0000000000000003 RBP: 000000000073c040 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020000140 R11: 0000000000000246 R12: 00007fc27621b6d4 R13: 00000000004c6c8b R14: 00000000004dbc48 R15: 00000000ffffffff INFO: task syz-executor.3:18016 blocked for more than 144 seconds. Not tainted 5.1.0-rc5+ #145 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D28032 18016 10852 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:2260 __sys_sendmsg+0x105/0x1d0 net/socket.c:2298 __do_sys_sendmsg net/socket.c:2307 [inline] __se_sys_sendmsg net/socket.c:2305 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2305 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458c29 Code: cc 64 48 8b 0c 25 f8 ff ff ff 48 3b 61 10 0f 86 df 00 00 00 48 83 ec 30 48 89 6c 24 28 48 8d 6c 24 28 48 8b 42 08 48 8b 48 70 <48> 89 4c 24 20 48 8b 10 48 89 54 24 18 48 8b 40 08 48 89 44 24 10 RSP: 002b:00007fc2761f9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 RDX: 0000000000004000 RSI: 00000000200002c0 RDI: 0000000000000003 RBP: 000000000073c0e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc2761fa6d4 R13: 00000000004c6269 R14: 00000000004dab38 R15: 00000000ffffffff INFO: task syz-executor.3:18050 blocked for more than 144 seconds. Not tainted 5.1.0-rc5+ #145 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D30032 18050 10852 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:594 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:3120 __sys_setsockopt+0x180/0x280 net/socket.c:2046 __do_sys_setsockopt net/socket.c:2057 [inline] __se_sys_setsockopt net/socket.c:2054 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:2054 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458c29 Code: cc 64 48 8b 0c 25 f8 ff ff ff 48 3b 61 10 0f 86 df 00 00 00 48 83 ec 30 48 89 6c 24 28 48 8d 6c 24 28 48 8b 42 08 48 8b 48 70 <48> 89 4c 24 20 48 8b 10 48 89 54 24 18 48 8b 40 08 48 89 44 24 10 RSP: 002b:00007fc2761d8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000458c29 RDX: 0000000000000019 RSI: 0000000000000006 RDI: 0000000000000003 RBP: 000000000073c180 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020000140 R11: 0000000000000246 R12: 00007fc2761d96d4 R13: 00000000004c6c8b R14: 00000000004dbc48 R15: 00000000ffffffff INFO: task syz-executor.3:18051 blocked for more than 144 seconds. Not tainted 5.1.0-rc5+ #145 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D30016 18051 10852 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:1932 __do_sys_sendto net/socket.c:1944 [inline] __se_sys_sendto net/socket.c:1940 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1940 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458c29 Code: cc 64 48 8b 0c 25 f8 ff ff ff 48 3b 61 10 0f 86 df 00 00 00 48 83 ec 30 48 89 6c 24 28 48 8d 6c 24 28 48 8b 42 08 48 8b 48 70 <48> 89 4c 24 20 48 8b 10 48 89 54 24 18 48 8b 40 08 48 89 44 24 10 RSP: 002b:00007fc2761b7c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000458c29 RDX: 0000000000000001 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 000000000073c220 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004000 R11: 0000000000000246 R12: 00007fc2761b86d4 R13: 00000000004c659f R14: 00000000004daf70 R15: 00000000ffffffff Showing all locks held in the system: 3 locks held by kworker/u4:1/21: #0: 00000000dfeabbf7 (&rq->lock){-.-.}, at: idle_balance kernel/sched/fair.c:10053 [inline] #0: 00000000dfeabbf7 (&rq->lock){-.-.}, at: pick_next_task_fair+0x1214/0x19a0 kernel/sched/fair.c:7062 #1: 00000000e5bc0aca ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}, at: process_one_work+0x8b4/0x1790 kernel/workqueue.c:2244 #2: 000000006e9f1b19 (&base->lock){-.-.}, at: lock_timer_base+0x56/0x1b0 kernel/time/timer.c:937 1 lock held by khungtaskd/1042: #0: 0000000011c4e2b3 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:5056 1 lock held by rsyslogd/7608: #0: 000000002152164e (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:801 2 locks held by getty/7697: #0: 0000000099a0dd65 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000008212d6da (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7698: #0: 00000000daddeb61 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 0000000004842b81 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7699: #0: 000000002aa6b75e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000d6b80966 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7700: #0: 000000005f405889 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000a7ae61e4 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7701: #0: 000000005bb748ca (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000e4eb7984 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7702: #0: 000000007ffaee88 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000efdd184d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7703: #0: 00000000f2dfb0eb (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000ae3e9bf9 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 1 lock held by syz-executor.5/12195: #0: 00000000c769038c (&sb->s_type->i_mutex_key#11){+.+.}, at: inode_lock include/linux/fs.h:772 [inline] #0: 00000000c769038c (&sb->s_type->i_mutex_key#11){+.+.}, at: __sock_release+0x89/0x2b0 net/socket.c:598 1 lock held by syz-executor.3/18000: #0: 00000000b21e0d37 (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1520 [inline] #0: 00000000b21e0d37 (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendmsg+0x25d/0x17b0 net/tls/tls_sw.c:890 1 lock held by syz-executor.3/18016: #0: 000000008a65aa21 (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1520 [inline] #0: 000000008a65aa21 (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendmsg+0x25d/0x17b0 net/tls/tls_sw.c:890 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1042 Comm: khungtaskd Not tainted 5.1.0-rc5+ #145 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 0 to CPUs 1: