Warning: Permanently added '10.128.0.41' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 674.689045][ T1108] INFO: task syz-executor608:13178 blocked for more than 143 seconds. [ 674.689065][ T1108] Not tainted 5.5.0-rc1-syzkaller #0 [ 674.689071][ T1108] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 674.689083][ T1108] syz-executor608 D28160 13178 8968 0x00004004 [ 674.689137][ T1108] Call Trace: [ 674.689185][ T1108] __schedule+0x934/0x1f90 [ 674.689207][ T1108] ? __sched_text_start+0x8/0x8 [ 674.689230][ T1108] ? lock_downgrade+0x920/0x920 [ 674.689265][ T1108] ? rwlock_bug.part.0+0x90/0x90 [ 674.689285][ T1108] schedule+0xdc/0x2b0 [ 674.689303][ T1108] schedule_preempt_disabled+0x13/0x20 [ 674.689315][ T1108] __mutex_lock+0x7ab/0x13c0 [ 674.689361][ T1108] ? tty_buffer_lock_exclusive+0x30/0x40 [ 674.689378][ T1108] ? mutex_trylock+0x2f0/0x2f0 [ 674.689392][ T1108] ? console_unlock+0x7b3/0xf00 [ 674.689423][ T1108] mutex_lock_nested+0x16/0x20 [ 674.689434][ T1108] ? mutex_lock_nested+0x16/0x20 [ 674.689448][ T1108] tty_buffer_lock_exclusive+0x30/0x40 [ 674.689478][ T1108] paste_selection+0x11d/0x460 [ 674.689524][ T1108] ? __might_fault+0x12b/0x1e0 [ 674.689541][ T1108] ? vcs_remove_sysfs+0x60/0x60 [ 674.689554][ T1108] ? lock_downgrade+0x920/0x920 [ 674.689586][ T1108] ? wake_up_q+0x140/0x140 [ 674.689627][ T1108] tioclinux+0x133/0x480 [ 674.689644][ T1108] vt_ioctl+0x1a41/0x26d0 [ 674.689661][ T1108] ? complete_change_console+0x3a0/0x3a0 [ 674.689673][ T1108] ? lock_downgrade+0x920/0x920 [ 674.689687][ T1108] ? rwlock_bug.part.0+0x90/0x90 [ 674.689722][ T1108] ? tomoyo_path_number_perm+0x214/0x520 [ 674.689735][ T1108] ? find_held_lock+0x35/0x130 [ 674.689750][ T1108] ? tomoyo_path_number_perm+0x214/0x520 [ 674.689781][ T1108] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 674.689796][ T1108] ? tty_jobctrl_ioctl+0x50/0xd40 [ 674.689810][ T1108] ? complete_change_console+0x3a0/0x3a0 [ 674.689826][ T1108] tty_ioctl+0xa37/0x14f0 [ 674.689843][ T1108] ? tty_vhangup+0x30/0x30 [ 674.689855][ T1108] ? tomoyo_path_number_perm+0x454/0x520 [ 674.689873][ T1108] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 674.689886][ T1108] ? tomoyo_path_number_perm+0x25e/0x520 [ 674.689903][ T1108] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 674.689933][ T1108] ? tty_vhangup+0x30/0x30 [ 674.689968][ T1108] do_vfs_ioctl+0x977/0x14e0 [ 674.689986][ T1108] ? compat_ioctl_preallocate+0x220/0x220 [ 674.690018][ T1108] ? kmem_cache_free+0x26b/0x320 [ 674.690050][ T1108] ? putname+0xf4/0x130 [ 674.690088][ T1108] ? do_sys_open+0x31d/0x5d0 [ 674.690124][ T1108] ? tomoyo_file_ioctl+0x23/0x30 [ 674.690139][ T1108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.690168][ T1108] ? security_file_ioctl+0x8d/0xc0 [ 674.690185][ T1108] ksys_ioctl+0xab/0xd0 [ 674.690201][ T1108] __x64_sys_ioctl+0x73/0xb0 [ 674.690239][ T1108] do_syscall_64+0xfa/0x790 [ 674.690261][ T1108] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 674.690272][ T1108] RIP: 0033:0x441319 [ 674.690287][ T1108] Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 674.690294][ T1108] RSP: 002b:00007ffdacd52ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 674.690307][ T1108] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441319 [ 674.690315][ T1108] RDX: 0000000020000040 RSI: 000000000000541c RDI: 0000000000000004 [ 674.690324][ T1108] RBP: 000000000007f769 R08: 000000000000000d R09: 00000000004002c8 [ 674.690332][ T1108] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402090 [ 674.690340][ T1108] R13: 0000000000402120 R14: 0000000000000000 R15: 0000000000000000 [ 674.690367][ T1108] INFO: task syz-executor608:13179 blocked for more than 143 seconds. [ 674.690374][ T1108] Not tainted 5.5.0-rc1-syzkaller #0 [ 674.690380][ T1108] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 674.690385][ T1108] syz-executor608 D28160 13179 8970 0x00004004 [ 674.690405][ T1108] Call Trace: [ 674.690423][ T1108] __schedule+0x934/0x1f90 [ 674.690443][ T1108] ? __sched_text_start+0x8/0x8 [ 674.690455][ T1108] ? lock_downgrade+0x920/0x920 [ 674.690469][ T1108] ? rwlock_bug.part.0+0x90/0x90 [ 674.690489][ T1108] schedule+0xdc/0x2b0 [ 674.690506][ T1108] schedule_preempt_disabled+0x13/0x20 [ 674.690517][ T1108] __mutex_lock+0x7ab/0x13c0 [ 674.690535][ T1108] ? tty_buffer_lock_exclusive+0x30/0x40 [ 674.690552][ T1108] ? mutex_trylock+0x2f0/0x2f0 [ 674.690567][ T1108] ? console_unlock+0x7b3/0xf00 [ 674.690597][ T1108] mutex_lock_nested+0x16/0x20 [ 674.690608][ T1108] ? mutex_lock_nested+0x16/0x20 [ 674.690622][ T1108] tty_buffer_lock_exclusive+0x30/0x40 [ 674.690635][ T1108] paste_selection+0x11d/0x460 [ 674.690647][ T1108] ? __might_fault+0x12b/0x1e0 [ 674.690663][ T1108] ? vcs_remove_sysfs+0x60/0x60 [ 674.690676][ T1108] ? lock_downgrade+0x920/0x920 [ 674.690693][ T1108] ? wake_up_q+0x140/0x140 [ 674.690717][ T1108] tioclinux+0x133/0x480 [ 674.690733][ T1108] vt_ioctl+0x1a41/0x26d0 [ 674.690750][ T1108] ? complete_change_console+0x3a0/0x3a0 [ 674.690763][ T1108] ? lock_downgrade+0x920/0x920 [ 674.690777][ T1108] ? rwlock_bug.part.0+0x90/0x90 [ 674.690791][ T1108] ? tomoyo_path_number_perm+0x214/0x520 [ 674.690804][ T1108] ? find_held_lock+0x35/0x130 [ 674.690818][ T1108] ? tomoyo_path_number_perm+0x214/0x520 [ 674.690832][ T1108] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 674.690847][ T1108] ? tty_jobctrl_ioctl+0x50/0xd40 [ 674.690861][ T1108] ? complete_change_console+0x3a0/0x3a0 [ 674.690876][ T1108] tty_ioctl+0xa37/0x14f0 [ 674.690893][ T1108] ? tty_vhangup+0x30/0x30 [ 674.690905][ T1108] ? tomoyo_path_number_perm+0x454/0x520 [ 674.690922][ T1108] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 674.690935][ T1108] ? tomoyo_path_number_perm+0x25e/0x520 [ 674.690951][ T1108] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 674.690981][ T1108] ? tty_vhangup+0x30/0x30 [ 674.690996][ T1108] do_vfs_ioctl+0x977/0x14e0 [ 674.691014][ T1108] ? compat_ioctl_preallocate+0x220/0x220 [ 674.691030][ T1108] ? kmem_cache_free+0x26b/0x320 [ 674.691045][ T1108] ? putname+0xf4/0x130 [ 674.691059][ T1108] ? do_sys_open+0x31d/0x5d0 [ 674.691076][ T1108] ? tomoyo_file_ioctl+0x23/0x30 [ 674.691101][ T1108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.691113][ T1108] ? security_file_ioctl+0x8d/0xc0 [ 674.691129][ T1108] ksys_ioctl+0xab/0xd0 [ 674.691144][ T1108] __x64_sys_ioctl+0x73/0xb0 [ 674.691160][ T1108] do_syscall_64+0xfa/0x790 [ 674.691177][ T1108] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 674.691186][ T1108] RIP: 0033:0x441319 [ 674.691198][ T1108] Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 674.691206][ T1108] RSP: 002b:00007ffdacd52ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 674.691218][ T1108] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441319 [ 674.691227][ T1108] RDX: 0000000020000040 RSI: 000000000000541c RDI: 0000000000000004 [ 674.691235][ T1108] RBP: 000000000007f777 R08: 000000000000000d R09: 00000000004002c8 [ 674.691243][ T1108] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402090 [ 674.691251][ T1108] R13: 0000000000402120 R14: 0000000000000000 R15: 0000000000000000 [ 674.691274][ T1108] INFO: task syz-executor608:13180 blocked for more than 143 seconds. [ 674.691282][ T1108] Not tainted 5.5.0-rc1-syzkaller #0 [ 674.691287][ T1108] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 674.691293][ T1108] syz-executor608 D28160 13180 8964 0x00004004 [ 674.691313][ T1108] Call Trace: [ 674.691330][ T1108] __schedule+0x934/0x1f90 [ 674.691350][ T1108] ? __sched_text_start+0x8/0x8 [ 674.691361][ T1108] ? lock_downgrade+0x920/0x920 [ 674.691375][ T1108] ? rwlock_bug.part.0+0x90/0x90 [ 674.691395][ T1108] schedule+0xdc/0x2b0 [ 674.691413][ T1108] schedule_preempt_disabled+0x13/0x20 [ 674.691425][ T1108] __mutex_lock+0x7ab/0x13c0 [ 674.691442][ T1108] ? tty_buffer_lock_exclusive+0x30/0x40 [ 674.691458][ T1108] ? mutex_trylock+0x2f0/0x2f0 [ 674.691471][ T1108] ? console_unlock+0x7b3/0xf00 [ 674.691502][ T1108] mutex_lock_nested+0x16/0x20 [ 674.691513][ T1108] ? mutex_lock_nested+0x16/0x20 [ 674.691527][ T1108] tty_buffer_lock_exclusive+0x30/0x40 [ 674.691539][ T1108] paste_selection+0x11d/0x460 [ 674.691551][ T1108] ? __might_fault+0x12b/0x1e0 [ 674.691568][ T1108] ? vcs_remove_sysfs+0x60/0x60 [ 674.691580][ T1108] ? lock_downgrade+0x920/0x920 [ 674.691594][ T1108] ? wake_up_q+0x140/0x140 [ 674.691615][ T1108] tioclinux+0x133/0x480 [ 674.691631][ T1108] vt_ioctl+0x1a41/0x26d0 [ 674.691650][ T1108] ? complete_change_console+0x3a0/0x3a0 [ 674.691662][ T1108] ? lock_downgrade+0x920/0x920 [ 674.691676][ T1108] ? rwlock_bug.part.0+0x90/0x90 [ 674.691690][ T1108] ? tomoyo_path_number_perm+0x214/0x520 [ 674.691703][ T1108] ? find_held_lock+0x35/0x130 [ 674.691717][ T1108] ? tomoyo_path_number_perm+0x214/0x520 [ 674.691731][ T1108] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 674.691745][ T1108] ? tty_jobctrl_ioctl+0x50/0xd40 [ 674.691760][ T1108] ? complete_change_console+0x3a0/0x3a0 [ 674.691775][ T1108] tty_ioctl+0xa37/0x14f0 [ 674.691791][ T1108] ? tty_vhangup+0x30/0x30 [ 674.691803][ T1108] ? tomoyo_path_number_perm+0x454/0x520 [ 674.691820][ T1108] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 674.691833][ T1108] ? tomoyo_path_number_perm+0x25e/0x520 [ 674.691849][ T1108] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 674.691881][ T1108] ? tty_vhangup+0x30/0x30 [ 674.691896][ T1108] do_vfs_ioctl+0x977/0x14e0 [ 674.691913][ T1108] ? compat_ioctl_preallocate+0x220/0x220 [ 674.691929][ T1108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.691964][ T1108] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 674.691982][ T1108] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 674.692000][ T1108] ? tomoyo_file_ioctl+0x23/0x30 [ 674.692014][ T1108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.692026][ T1108] ? security_file_ioctl+0x8d/0xc0 [ 674.692042][ T1108] ksys_ioctl+0xab/0xd0 [ 674.692059][ T1108] __x64_sys_ioctl+0x73/0xb0 [ 674.692074][ T1108] do_syscall_64+0xfa/0x790 [ 674.692096][ T1108] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 674.692105][ T1108] RIP: 0033:0x441319 [ 674.692117][ T1108] Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 674.692125][ T1108] RSP: 002b:00007ffdacd52ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 674.692137][ T1108] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441319 [ 674.692145][ T1108] RDX: 0000000020000040 RSI: 000000000000541c RDI: 0000000000000004 [ 674.692153][ T1108] RBP: 000000000007f781 R08: 000000000000000d R09: 00000000004002c8 [ 674.692161][ T1108] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402090 [ 674.692169][ T1108] R13: 0000000000402120 R14: 0000000000000000 R15: 0000000000000000 [ 674.692193][ T1108] INFO: task syz-executor608:13181 blocked for more than 143 seconds. [ 674.692200][ T1108] Not tainted 5.5.0-rc1-syzkaller #0 [ 674.692205][ T1108] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 674.692211][ T1108] syz-executor608 D28160 13181 8965 0x00004004 [ 674.692231][ T1108] Call Trace: [ 674.692249][ T1108] __schedule+0x934/0x1f90 [ 674.692271][ T1108] ? __sched_text_start+0x8/0x8 [ 674.692282][ T1108] ? lock_downgrade+0x920/0x920 [ 674.692296][ T1108] ? rwlock_bug.part.0+0x90/0x90 [ 674.692315][ T1108] schedule+0xdc/0x2b0 [ 674.692333][ T1108] schedule_preempt_disabled+0x13/0x20 [ 674.692344][ T1108] __mutex_lock+0x7ab/0x13c0 [ 674.692361][ T1108] ? tty_buffer_lock_exclusive+0x30/0x40 [ 674.692378][ T1108] ? mutex_trylock+0x2f0/0x2f0 [ 674.692392][ T1108] ? console_unlock+0x7b3/0xf00 [ 674.692423][ T1108] mutex_lock_nested+0x16/0x20 [ 674.692434][ T1108] ? mutex_lock_nested+0x16/0x20 [ 674.692448][ T1108] tty_buffer_lock_exclusive+0x30/0x40 [ 674.692460][ T1108] paste_selection+0x11d/0x460 [ 674.692473][ T1108] ? __might_fault+0x12b/0x1e0 [ 674.692489][ T1108] ? vcs_remove_sysfs+0x60/0x60 [ 674.692502][ T1108] ? lock_downgrade+0x920/0x920 [ 674.692518][ T1108] ? wake_up_q+0x140/0x140 [ 674.692542][ T1108] tioclinux+0x133/0x480 [ 674.692558][ T1108] vt_ioctl+0x1a41/0x26d0 [ 674.692575][ T1108] ? complete_change_console+0x3a0/0x3a0 [ 674.692587][ T1108] ? lock_downgrade+0x920/0x920 [ 674.692601][ T1108] ? rwlock_bug.part.0+0x90/0x90 [ 674.692615][ T1108] ? tomoyo_path_number_perm+0x214/0x520 [ 674.692628][ T1108] ? find_held_lock+0x35/0x130 [ 674.692642][ T1108] ? tomoyo_path_number_perm+0x214/0x520 [ 674.692656][ T1108] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 674.692670][ T1108] ? tty_jobctrl_ioctl+0x50/0xd40 [ 674.692686][ T1108] ? complete_change_console+0x3a0/0x3a0 [ 674.692701][ T1108] tty_ioctl+0xa37/0x14f0 [ 674.692717][ T1108] ? tty_vhangup+0x30/0x30 [ 674.692728][ T1108] ? tomoyo_path_number_perm+0x454/0x520 [ 674.692746][ T1108] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 674.692759][ T1108] ? tomoyo_path_number_perm+0x25e/0x520 [ 674.692775][ T1108] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 674.692806][ T1108] ? tty_vhangup+0x30/0x30 [ 674.692820][ T1108] do_vfs_ioctl+0x977/0x14e0 [ 674.692838][ T1108] ? compat_ioctl_preallocate+0x220/0x220 [ 674.692853][ T1108] ? kmem_cache_free+0x26b/0x320 [ 674.692870][ T1108] ? putname+0xf4/0x130 [ 674.692884][ T1108] ? do_sys_open+0x31d/0x5d0 [ 674.692903][ T1108] ? tomoyo_file_ioctl+0x23/0x30 [ 674.692917][ T1108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.692929][ T1108] ? security_file_ioctl+0x8d/0xc0 [ 674.692944][ T1108] ksys_ioctl+0xab/0xd0 [ 674.692961][ T1108] __x64_sys_ioctl+0x73/0xb0 [ 674.692977][ T1108] do_syscall_64+0xfa/0x790 [ 674.692993][ T1108] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 674.693002][ T1108] RIP: 0033:0x441319 [ 674.693015][ T1108] Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 674.693022][ T1108] RSP: 002b:00007ffdacd52ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 674.693034][ T1108] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441319 [ 674.693042][ T1108] RDX: 0000000020000040 RSI: 000000000000541c RDI: 0000000000000004 [ 674.693050][ T1108] RBP: 000000000007f780 R08: 000000000000000d R09: 00000000004002c8 [ 674.693057][ T1108] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402090 [ 674.693065][ T1108] R13: 0000000000402120 R14: 0000000000000000 R15: 0000000000000000 [ 674.693120][ T1108] INFO: task syz-executor608:13182 blocked for more than 143 seconds. [ 674.693127][ T1108] Not tainted 5.5.0-rc1-syzkaller #0 [ 674.693132][ T1108] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 674.693138][ T1108] syz-executor608 D28160 13182 8967 0x00004004 [ 674.693158][ T1108] Call Trace: [ 674.693176][ T1108] __schedule+0x934/0x1f90 [ 674.693196][ T1108] ? __sched_text_start+0x8/0x8 [ 674.693207][ T1108] ? lock_downgrade+0x920/0x920 [ 674.693221][ T1108] ? rwlock_bug.part.0+0x90/0x90 [ 674.693241][ T1108] schedule+0xdc/0x2b0 [ 674.693258][ T1108] schedule_preempt_disabled+0x13/0x20 [ 674.693269][ T1108] __mutex_lock+0x7ab/0x13c0 [ 674.693286][ T1108] ? tty_buffer_lock_exclusive+0x30/0x40 [ 674.693302][ T1108] ? mutex_trylock+0x2f0/0x2f0 [ 674.693315][ T1108] ? console_unlock+0x7b3/0xf00 [ 674.693345][ T1108] mutex_lock_nested+0x16/0x20 [ 674.693357][ T1108] ? mutex_lock_nested+0x16/0x20 [ 674.693371][ T1108] tty_buffer_lock_exclusive+0x30/0x40 [ 674.693384][ T1108] paste_selection+0x11d/0x460 [ 674.693396][ T1108] ? __might_fault+0x12b/0x1e0 [ 674.693412][ T1108] ? vcs_remove_sysfs+0x60/0x60 [ 674.693425][ T1108] ? lock_downgrade+0x920/0x920 [ 674.693441][ T1108] ? wake_up_q+0x140/0x140 [ 674.693464][ T1108] tioclinux+0x133/0x480 [ 674.693480][ T1108] vt_ioctl+0x1a41/0x26d0 [ 674.693497][ T1108] ? complete_change_console+0x3a0/0x3a0 [ 674.693509][ T1108] ? lock_downgrade+0x920/0x920 [ 674.693524][ T1108] ? rwlock_bug.part.0+0x90/0x90 [ 674.693538][ T1108] ? tomoyo_path_number_perm+0x214/0x520 [ 674.693551][ T1108] ? find_held_lock+0x35/0x130 [ 674.693565][ T1108] ? tomoyo_path_number_perm+0x214/0x520 [ 674.693579][ T1108] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 674.693593][ T1108] ? tty_jobctrl_ioctl+0x50/0xd40 [ 674.693607][ T1108] ? complete_change_console+0x3a0/0x3a0 [ 674.693622][ T1108] tty_ioctl+0xa37/0x14f0 [ 674.693639][ T1108] ? tty_vhangup+0x30/0x30 [ 674.693651][ T1108] ? tomoyo_path_number_perm+0x454/0x520 [ 674.693669][ T1108] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 674.693682][ T1108] ? tomoyo_path_number_perm+0x25e/0x520 [ 674.693698][ T1108] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 674.693728][ T1108] ? tty_vhangup+0x30/0x30 [ 674.693744][ T1108] do_vfs_ioctl+0x977/0x14e0 [ 674.693762][ T1108] ? compat_ioctl_preallocate+0x220/0x220 [ 674.693777][ T1108] ? kmem_cache_free+0x26b/0x320 [ 674.693793][ T1108] ? putname+0xf4/0x130 [ 674.693807][ T1108] ? do_sys_open+0x31d/0x5d0 [ 674.693825][ T1108] ? tomoyo_file_ioctl+0x23/0x30 [ 674.693838][ T1108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 674.693850][ T1108] ? security_file_ioctl+0x8d/0xc0 [ 674.693867][ T1108] ksys_ioctl+0xab/0xd0 [ 674.693882][ T1108] __x64_sys_ioctl+0x73/0xb0 [ 674.693898][ T1108] do_syscall_64+0xfa/0x790 [ 674.693915][ T1108] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 674.693924][ T1108] RIP: 0033:0x441319 [ 674.693936][ T1108] Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 674.693943][ T1108] RSP: 002b:00007ffdacd52ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 674.693955][ T1108] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441319 [ 674.693963][ T1108] RDX: 0000000020000040 RSI: 000000000000541c RDI: 0000000000000004 [ 674.693971][ T1108] RBP: 000000000007f78a R08: 000000000000000d R09: 00000000004002c8 [ 674.693979][ T1108] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402090 [ 674.693987][ T1108] R13: 0000000000402120 R14: 0000000000000000 R15: 0000000000000000 [ 674.694007][ T1108] [ 674.694007][ T1108] Showing all locks held in the system: [ 674.694021][ T1108] 1 lock held by khungtaskd/1108: [ 674.694026][ T1108] #0: ffffffff899a56c0 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 674.694087][ T1108] 1 lock held by rsyslogd/8846: [ 674.694092][ T1108] #0: ffff88809ae4bae0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 674.694167][ T1108] 5 locks held by getty/8936: [ 674.694175][ T1108] 2 locks held by getty/8937: [ 674.694179][ T1108] #0: ffff888099c1d090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 674.694202][ T1108] #1: ffffc9000184b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 674.694231][ T1108] 2 locks held by getty/8938: [ 674.694235][ T1108] #0: ffff88809f500090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 674.694258][ T1108] #1: ffffc9000183b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 674.694285][ T1108] 2 locks held by getty/8939: [ 674.694290][ T1108] #0: ffff888095772090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 674.694312][ T1108] #1: ffffc9000182b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 674.694339][ T1108] 2 locks held by getty/8940: [ 674.694343][ T1108] #0: ffff8880a6d4b090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 674.694367][ T1108] #1: ffffc900017bb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 674.694394][ T1108] 2 locks held by getty/8941: [ 674.694399][ T1108] #0: ffff8880a93c3090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 674.694421][ T1108] #1: ffffc9000181b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 674.694449][ T1108] 2 locks held by getty/8942: [ 674.694453][ T1108] #0: ffff8880a4853090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 674.694482][ T1108] #1: ffffc9000178b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 676.620161][ T1108] 2 locks held by syz-executor608/13177: [ 676.625829][ T1108] 2 locks held by syz-executor608/13178: [ 676.625834][ T1108] #0: ffff888094651090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 676.625866][ T1108] #1: ffff8880aa5bc0a8 (&buf->lock){+.+.}, at: tty_buffer_lock_exclusive+0x30/0x40 [ 676.625898][ T1108] 2 locks held by syz-executor608/13179: [ 676.625902][ T1108] #0: ffff888094651090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 676.625924][ T1108] #1: ffff8880aa5bc0a8 (&buf->lock){+.+.}, at: tty_buffer_lock_exclusive+0x30/0x40 [ 676.625953][ T1108] 2 locks held by syz-executor608/13180: [ 676.625958][ T1108] #0: ffff888094651090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 676.625980][ T1108] #1: ffff8880aa5bc0a8 (&buf->lock){+.+.}, at: tty_buffer_lock_exclusive+0x30/0x40 [ 676.626010][ T1108] 2 locks held by syz-executor608/13181: [ 676.626014][ T1108] #0: ffff888094651090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 676.626037][ T1108] #1: ffff8880aa5bc0a8 (&buf->lock){+.+.}, at: tty_buffer_lock_exclusive+0x30/0x40 [ 676.722443][ T1108] 2 locks held by syz-executor608/13182: [ 676.722448][ T1108] #0: ffff888094651090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 676.722481][ T1108] #1: ffff8880aa5bc0a8 (&buf->lock){+.+.}, at: tty_buffer_lock_exclusive+0x30/0x40 [ 676.722524][ T1108] [ 676.748920][ T1108] ============================================= [ 676.748920][ T1108] [ 676.748927][ T1108] NMI backtrace for cpu 0 [ 676.748942][ T1108] CPU: 0 PID: 1108 Comm: khungtaskd Not tainted 5.5.0-rc1-syzkaller #0 [ 676.748948][ T1108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 676.748952][ T1108] Call Trace: [ 676.748997][ T1108] dump_stack+0x197/0x210 [ 676.749015][ T1108] nmi_cpu_backtrace.cold+0x70/0xb2 [ 676.749067][ T1108] ? vprintk_func+0x86/0x189 [ 676.749106][ T1108] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 676.803527][ T1108] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 676.803548][ T1108] arch_trigger_cpumask_backtrace+0x14/0x20 [ 676.803561][ T1108] watchdog+0xb11/0x10c0 [ 676.803641][ T1108] kthread+0x361/0x430 [ 676.803655][ T1108] ? reset_hung_task_detector+0x30/0x30 [ 676.803666][ T1108] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 676.803682][ T1108] ret_from_fork+0x24/0x30 [ 676.803794][ T1108] Sending NMI from CPU 0 to CPUs 1: [ 676.845673][ C1] NMI backtrace for cpu 1 [ 676.845679][ C1] CPU: 1 PID: 8936 Comm: getty Not tainted 5.5.0-rc1-syzkaller #0 [ 676.845684][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 676.845687][ C1] RIP: 0010:reschedule_interrupt+0x0/0x20 [ 676.845697][ C1] Code: 66 2e 0f 1f 84 00 00 00 00 00 68 03 ff ff ff e8 b6 f0 ff ff e8 41 24 00 00 e9 ab f1 ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 <68> 02 ff ff ff e8 96 f0 ff ff e8 61 1f 00 00 e9 8b f1 ff ff 66 90 [ 676.845700][ C1] RSP: 0018:ffffc90001d27788 EFLAGS: 00000082 [ 676.845707][ C1] RAX: 1ffffffff13266ad RBX: ffff8880a6e30600 RCX: 0000000000000006 [ 676.845712][ C1] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff8880a6e30e94 [ 676.845716][ C1] RBP: ffffc90001d277b8 R08: 1ffffffff1659db5 R09: fffffbfff1659db6 [ 676.845720][ C1] R10: fffffbfff1659db5 R11: ffffffff8b2cedaf R12: ffff8880ae937340 [ 676.845725][ C1] R13: ffff88808e9f2580 R14: 0000000000000000 R15: 0000000000000000 [ 676.845730][ C1] FS: 00007f428f28f700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 676.845733][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 676.845738][ C1] CR2: 00007f428f294000 CR3: 00000000a7e2d000 CR4: 00000000001406e0 [ 676.845742][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 676.845747][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 676.845749][ C1] Call Trace: [ 676.845752][ C1] ? _raw_spin_unlock_irq+0x4f/0x80 [ 676.845756][ C1] finish_task_switch+0x147/0x750 [ 676.845759][ C1] ? finish_task_switch+0x119/0x750 [ 676.845762][ C1] __schedule+0x93c/0x1f90 [ 676.845765][ C1] ? __sched_text_start+0x8/0x8 [ 676.845768][ C1] ? retint_kernel+0x2b/0x2b [ 676.845771][ C1] ? netconsole_netdev_event+0x2a0/0x2a0 [ 676.845774][ C1] schedule+0xdc/0x2b0 [ 676.845777][ C1] schedule_timeout+0x717/0xc50 [ 676.845780][ C1] ? __kasan_check_read+0x11/0x20 [ 676.845783][ C1] ? usleep_range+0x170/0x170 [ 676.845786][ C1] ? mark_held_locks+0xa4/0xf0 [ 676.845789][ C1] ? _raw_spin_unlock_irq+0x23/0x80 [ 676.845792][ C1] ? __down+0x16e/0x2c0 [ 676.845795][ C1] ? _raw_spin_unlock_irq+0x23/0x80 [ 676.845799][ C1] ? lockdep_hardirqs_on+0x421/0x5e0 [ 676.845802][ C1] ? trace_hardirqs_on+0x67/0x240 [ 676.845804][ C1] __down+0x176/0x2c0 [ 676.845808][ C1] ? do_raw_spin_lock+0x12a/0x2e0 [ 676.845811][ C1] ? __up.isra.0+0x1a0/0x1a0 [ 676.845813][ C1] down+0x64/0x90 [ 676.845816][ C1] console_lock+0x29/0x80 [ 676.845819][ C1] con_write+0x83/0xd0 [ 676.845822][ C1] n_tty_write+0x40e/0x1080 [ 676.845825][ C1] ? n_tty_read+0x1bf0/0x1bf0 [ 676.845828][ C1] ? prepare_to_wait_exclusive+0x320/0x320 [ 676.845832][ C1] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 676.845835][ C1] ? _copy_from_user+0x12c/0x1a0 [ 676.845838][ C1] tty_write+0x496/0x7f0 [ 676.845841][ C1] ? n_tty_read+0x1bf0/0x1bf0 [ 676.845844][ C1] __vfs_write+0x8a/0x110 [ 676.845847][ C1] ? put_tty_driver+0x20/0x20 [ 676.845850][ C1] vfs_write+0x268/0x5d0 [ 676.845853][ C1] ksys_write+0x14f/0x290 [ 676.845856][ C1] ? __ia32_sys_read+0xb0/0xb0 [ 676.845859][ C1] ? do_syscall_64+0x26/0x790 [ 676.845863][ C1] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 676.845866][ C1] ? do_syscall_64+0x26/0x790 [ 676.845869][ C1] __x64_sys_write+0x73/0xb0 [ 676.845872][ C1] do_syscall_64+0xfa/0x790 [ 676.845875][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 676.845878][ C1] RIP: 0033:0x7f428ebba370 [ 676.845887][ C1] Code: 73 01 c3 48 8b 0d c8 4a 2b 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 83 3d 85 a2 2b 00 00 75 10 b8 01 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 0e 8a 01 00 48 89 04 24 [ 676.845891][ C1] RSP: 002b:00007ffc758b2218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 676.845898][ C1] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f428ebba370 [ 676.845903][ C1] RDX: 0000000000000001 RSI: 00007f428ee6f823 RDI: 0000000000000001 [ 676.845907][ C1] RBP: 00007f428ee6f823 R08: 0000000000000065 R09: 00007f428f28f700 [ 676.845911][ C1] R10: 0000000000000022 R11: 0000000000000246 R12: 00007f428ee6f7a0 [ 676.845921][ C1] R13: 0000000000000001 R14: 00000000004059fb R15: 00007ffc758b2514 [ 676.846008][ T1108] Kernel panic - not syncing: hung_task: blocked tasks [ 676.846022][ T1108] CPU: 0 PID: 1108 Comm: khungtaskd Not tainted 5.5.0-rc1-syzkaller #0 [ 676.846028][ T1108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 676.846032][ T1108] Call Trace: [ 676.846048][ T1108] dump_stack+0x197/0x210 [ 676.846114][ T1108] panic+0x2e3/0x75c [ 677.289714][ T1108] ? add_taint.cold+0x16/0x16 [ 677.289729][ T1108] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 677.289750][ T1108] ? ___preempt_schedule+0x16/0x18 [ 677.289770][ T1108] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 677.289788][ T1108] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 677.289802][ T1108] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 677.289816][ T1108] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 677.289839][ T1108] watchdog+0xb22/0x10c0 [ 677.334199][ T1108] kthread+0x361/0x430 [ 677.334214][ T1108] ? reset_hung_task_detector+0x30/0x30 [ 677.334225][ T1108] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 677.334242][ T1108] ret_from_fork+0x24/0x30 [ 677.340171][ T1108] Kernel Offset: disabled [ 677.360180][ T1108] Rebooting in 86400 seconds..