INFO: task syz-executor1:28523 blocked for more than 140 seconds. Not tainted 4.19.0-rc6+ #139 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D24128 28523 5408 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1780 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+0x427/0x8a0 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:517 [inline] tls_do_encryption net/tls/tls_sw.c:193 [inline] tls_push_record+0xf96/0x1480 net/tls/tls_sw.c:228 tls_sw_push_pending_record+0x22/0x30 net/tls/tls_sw.c:257 tls_handle_open_record net/tls/tls_main.c:156 [inline] tls_proccess_cmsg+0x3ea/0x4d0 net/tls/tls_main.c:181 tls_sw_sendmsg+0xfcf/0x1310 net/tls/tls_sw.c:377 inet_sendmsg+0x1a1/0x690 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 ___sys_sendmsg+0x51d/0x930 net/socket.c:2116 __sys_sendmmsg+0x246/0x6d0 net/socket.c:2211 __do_sys_sendmmsg net/socket.c:2240 [inline] __se_sys_sendmmsg net/socket.c:2237 [inline] __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2237 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457519 Code: 87 0a 8b 0d dd 60 09 01 83 f9 01 0f 85 1c 01 00 00 b9 01 00 00 00 88 0d 19 66 09 01 84 c9 0f 84 fd 00 00 00 b9 01 00 00 00 88 <0d> 02 66 09 01 48 8b 05 9b 71 07 01 48 89 04 24 e8 42 2c fc ff 8b RSP: 002b:00007f891ace2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457519 RDX: 0000000000000001 RSI: 0000000020005f00 RDI: 0000000000000004 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f891ace36d4 R13: 00000000004c348c R14: 00000000004d5250 R15: 00000000ffffffff INFO: task syz-executor1:28533 blocked for more than 140 seconds. Not tainted 4.19.0-rc6+ #139 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D27008 28533 5408 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 __lock_sock+0x1fb/0x350 net/core/sock.c:2312 lock_sock_nested+0xfe/0x120 net/core/sock.c:2834 lock_sock include/net/sock.h:1491 [inline] inet_stream_connect+0x44/0xa0 net/ipv4/af_inet.c:718 __sys_connect+0x37d/0x4c0 net/socket.c:1664 __do_sys_connect net/socket.c:1675 [inline] __se_sys_connect net/socket.c:1672 [inline] __x64_sys_connect+0x73/0xb0 net/socket.c:1672 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457519 Code: 87 0a 8b 0d dd 60 09 01 83 f9 01 0f 85 1c 01 00 00 b9 01 00 00 00 88 0d 19 66 09 01 84 c9 0f 84 fd 00 00 00 b9 01 00 00 00 88 <0d> 02 66 09 01 48 8b 05 9b 71 07 01 48 89 04 24 e8 42 2c fc ff 8b RSP: 002b:00007f891acc1c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 RDX: 0000000000000080 RSI: 0000000020000540 RDI: 0000000000000004 RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f891acc26d4 R13: 00000000004bd99f R14: 00000000004cc418 R15: 00000000ffffffff INFO: task syz-executor1:28539 blocked for more than 140 seconds. Not tainted 4.19.0-rc6+ #139 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D26520 28539 5408 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 __lock_sock+0x1fb/0x350 net/core/sock.c:2312 lock_sock_nested+0xfe/0x120 net/core/sock.c:2834 lock_sock include/net/sock.h:1491 [inline] do_tcp_setsockopt.isra.40+0x191/0x2770 net/ipv4/tcp.c:2776 tcp_setsockopt+0xc1/0xe0 net/ipv4/tcp.c:3064 tls_setsockopt+0xaa/0x770 net/tls/tls_main.c:543 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:3038 __sys_setsockopt+0x1ba/0x3c0 net/socket.c:1902 __do_sys_setsockopt net/socket.c:1913 [inline] __se_sys_setsockopt net/socket.c:1910 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1910 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457519 Code: 87 0a 8b 0d dd 60 09 01 83 f9 01 0f 85 1c 01 00 00 b9 01 00 00 00 88 0d 19 66 09 01 84 c9 0f 84 fd 00 00 00 b9 01 00 00 00 88 <0d> 02 66 09 01 48 8b 05 9b 71 07 01 48 89 04 24 e8 42 2c fc ff 8b RSP: 002b:00007f891aca0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457519 RDX: 0000000000000019 RSI: 0000000000000006 RDI: 0000000000000004 RBP: 000000000072c040 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020000040 R11: 0000000000000246 R12: 00007f891aca16d4 R13: 00000000004c3e7d R14: 00000000004d61f8 R15: 00000000ffffffff INFO: task syz-executor1:28545 blocked for more than 140 seconds. Not tainted 4.19.0-rc6+ #139 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D26520 28545 5408 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 __lock_sock+0x1fb/0x350 net/core/sock.c:2312 lock_sock_nested+0xfe/0x120 net/core/sock.c:2834 lock_sock include/net/sock.h:1491 [inline] do_tcp_setsockopt.isra.40+0x38e/0x2770 net/ipv4/tcp.c:2731 tcp_setsockopt+0xc1/0xe0 net/ipv4/tcp.c:3064 tls_setsockopt+0xaa/0x770 net/tls/tls_main.c:543 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:3038 __sys_setsockopt+0x1ba/0x3c0 net/socket.c:1902 __do_sys_setsockopt net/socket.c:1913 [inline] __se_sys_setsockopt net/socket.c:1910 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1910 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457519 Code: 87 0a 8b 0d dd 60 09 01 83 f9 01 0f 85 1c 01 00 00 b9 01 00 00 00 88 0d 19 66 09 01 84 c9 0f 84 fd 00 00 00 b9 01 00 00 00 88 <0d> 02 66 09 01 48 8b 05 9b 71 07 01 48 89 04 24 e8 42 2c fc ff 8b RSP: 002b:00007f891ac7fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457519 RDX: 000000000000000d RSI: 0000000000000006 RDI: 0000000000000004 RBP: 000000000072c0e0 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000246 R12: 00007f891ac806d4 R13: 00000000004c3e7d R14: 00000000004d61f8 R15: 00000000ffffffff INFO: task syz-executor1:28582 blocked for more than 140 seconds. Not tainted 4.19.0-rc6+ #139 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D24920 28582 5408 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1780 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+0x427/0x8a0 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:517 [inline] tls_do_encryption net/tls/tls_sw.c:193 [inline] tls_push_record+0xf96/0x1480 net/tls/tls_sw.c:228 tls_sw_push_pending_record+0x22/0x30 net/tls/tls_sw.c:257 tls_handle_open_record net/tls/tls_main.c:156 [inline] tls_proccess_cmsg+0x3ea/0x4d0 net/tls/tls_main.c:181 tls_sw_sendmsg+0xfcf/0x1310 net/tls/tls_sw.c:377 inet_sendmsg+0x1a1/0x690 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 ___sys_sendmsg+0x51d/0x930 net/socket.c:2116 __sys_sendmmsg+0x246/0x6d0 net/socket.c:2211 __do_sys_sendmmsg net/socket.c:2240 [inline] __se_sys_sendmmsg net/socket.c:2237 [inline] __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2237 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457519 Code: 87 0a 8b 0d dd 60 09 01 83 f9 01 0f 85 1c 01 00 00 b9 01 00 00 00 88 0d 19 66 09 01 84 c9 0f 84 fd 00 00 00 b9 01 00 00 00 88 <0d> 02 66 09 01 48 8b 05 9b 71 07 01 48 89 04 24 e8 42 2c fc ff 8b RSP: 002b:00007f891ac5ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457519 RDX: 0000000000000001 RSI: 0000000020005f00 RDI: 0000000000000006 RBP: 000000000072c180 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f891ac5f6d4 R13: 00000000004c348c R14: 00000000004d5250 R15: 00000000ffffffff INFO: task syz-executor1:28583 blocked for more than 140 seconds. Not tainted 4.19.0-rc6+ #139 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D25192 28583 5408 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 __lock_sock+0x1fb/0x350 net/core/sock.c:2312 lock_sock_nested+0xfe/0x120 net/core/sock.c:2834 lock_sock include/net/sock.h:1491 [inline] inet_stream_connect+0x44/0xa0 net/ipv4/af_inet.c:718 __sys_connect+0x37d/0x4c0 net/socket.c:1664 __do_sys_connect net/socket.c:1675 [inline] __se_sys_connect net/socket.c:1672 [inline] __x64_sys_connect+0x73/0xb0 net/socket.c:1672 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457519 Code: 87 0a 8b 0d dd 60 09 01 83 f9 01 0f 85 1c 01 00 00 b9 01 00 00 00 88 0d 19 66 09 01 84 c9 0f 84 fd 00 00 00 b9 01 00 00 00 88 <0d> 02 66 09 01 48 8b 05 9b 71 07 01 48 89 04 24 e8 42 2c fc ff 8b RSP: 002b:00007f891ac3dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 RDX: 0000000000000080 RSI: 0000000020000540 RDI: 0000000000000006 RBP: 000000000072c220 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f891ac3e6d4 R13: 00000000004bd99f R14: 00000000004cc418 R15: 00000000ffffffff INFO: task syz-executor1:28584 blocked for more than 140 seconds. Not tainted 4.19.0-rc6+ #139 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D26672 28584 5408 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 __lock_sock+0x1fb/0x350 net/core/sock.c:2312 lock_sock_nested+0xfe/0x120 net/core/sock.c:2834 lock_sock include/net/sock.h:1491 [inline] do_tcp_setsockopt.isra.40+0x191/0x2770 net/ipv4/tcp.c:2776 tcp_setsockopt+0xc1/0xe0 net/ipv4/tcp.c:3064 tls_setsockopt+0xaa/0x770 net/tls/tls_main.c:543 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:3038 __sys_setsockopt+0x1ba/0x3c0 net/socket.c:1902 __do_sys_setsockopt net/socket.c:1913 [inline] __se_sys_setsockopt net/socket.c:1910 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1910 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457519 Code: 87 0a 8b 0d dd 60 09 01 83 f9 01 0f 85 1c 01 00 00 b9 01 00 00 00 88 0d 19 66 09 01 84 c9 0f 84 fd 00 00 00 b9 01 00 00 00 88 <0d> 02 66 09 01 48 8b 05 9b 71 07 01 48 89 04 24 e8 42 2c fc ff 8b RSP: 002b:00007f891ac1cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457519 RDX: 0000000000000019 RSI: 0000000000000006 RDI: 0000000000000006 RBP: 000000000072c2c0 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020000040 R11: 0000000000000246 R12: 00007f891ac1d6d4 R13: 00000000004c3e7d R14: 00000000004d61f8 R15: 00000000ffffffff Showing all locks held in the system: 2 locks held by kworker/1:0/19: #0: 00000000f79152ed ((wq_completion)"events"){+.+.}, at: __write_once_size include/linux/compiler.h:215 [inline] #0: 00000000f79152ed ((wq_completion)"events"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 00000000f79152ed ((wq_completion)"events"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 00000000f79152ed ((wq_completion)"events"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 00000000f79152ed ((wq_completion)"events"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 00000000f79152ed ((wq_completion)"events"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 00000000f79152ed ((wq_completion)"events"){+.+.}, at: process_one_work+0xb43/0x1b90 kernel/workqueue.c:2124 #1: 0000000013f25fb7 ((work_completion)(&smc->tcp_listen_work)){+.+.}, at: process_one_work+0xb9a/0x1b90 kernel/workqueue.c:2128 1 lock held by khungtaskd/982: #0: 0000000065b291c5 (rcu_read_lock){....}, at: debug_show_all_locks+0xd0/0x424 kernel/locking/lockdep.c:4435 1 lock held by rsyslogd/5268: #0: 0000000027f1f8f3 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x1bb/0x200 fs/file.c:766 2 locks held by getty/5358: #0: 000000001776bce4 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 000000001da756c4 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5359: #0: 000000007b1c36af (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000061e40a8 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5360: #0: 00000000db3ca62e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000583ffbf4 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5361: #0: 000000000ad06f30 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000e87bc0a8 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5362: #0: 0000000074b2bdb1 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000227533c8 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5363: #0: 00000000cfbe7b9f (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 0000000065b39102 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5364: #0: 00000000b67e4f0e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 000000005f761f8c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by kworker/0:5/10521: #0: 00000000f79152ed ((wq_completion)"events"){+.+.}, at: __write_once_size include/linux/compiler.h:215 [inline] #0: 00000000f79152ed ((wq_completion)"events"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 00000000f79152ed ((wq_completion)"events"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 00000000f79152ed ((wq_completion)"events"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 00000000f79152ed ((wq_completion)"events"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 00000000f79152ed ((wq_completion)"events"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 00000000f79152ed ((wq_completion)"events"){+.+.}, at: process_one_work+0xb43/0x1b90 kernel/workqueue.c:2124 #1: 00000000e35719d4 ((work_completion)(&smc->tcp_listen_work)){+.+.}, at: process_one_work+0xb9a/0x1b90 kernel/workqueue.c:2128 1 lock held by syz-executor1/28523: #0: 000000007831bff6 (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1491 [inline] #0: 000000007831bff6 (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendmsg+0x226/0x1310 net/tls/tls_sw.c:371 1 lock held by syz-executor1/28582: #0: 000000007eb75231 (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1491 [inline] #0: 000000007eb75231 (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendmsg+0x226/0x1310 net/tls/tls_sw.c:371 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 982 Comm: khungtaskd Not tainted 4.19.0-rc6+ #139 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+0x1c4/0x2b4 lib/dump_stack.c:113 nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed 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:144 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:204 [inline] watchdog+0xb3e/0x1050 kernel/hung_task.c:265 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:57