[ 70.608048][ T27] audit: type=1800 audit(1565710698.813:27): pid=10205 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 70.649013][ T27] audit: type=1800 audit(1565710698.813:28): pid=10205 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 71.354486][ T27] audit: type=1800 audit(1565710699.643:29): pid=10205 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 71.374989][ T27] audit: type=1800 audit(1565710699.643:30): pid=10205 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.224' (ECDSA) to the list of known hosts. syzkaller login: [ 782.694760][T10367] IPVS: ftp: loaded support on port[0] = 21 [ 782.703044][T10370] IPVS: ftp: loaded support on port[0] = 21 [ 782.713174][T10368] IPVS: ftp: loaded support on port[0] = 21 [ 782.714012][T10372] IPVS: ftp: loaded support on port[0] = 21 [ 782.726544][T10371] IPVS: ftp: loaded support on port[0] = 21 [ 782.739547][T10369] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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 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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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 947.187894][ T1064] INFO: task syz-executor087:10575 blocked for more than 143 seconds. [ 947.196157][ T1064] Not tainted 5.3.0-rc4-next-20190813 #65 [ 947.202444][ T1064] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 947.211126][ T1064] syz-executor087 D26592 10575 10368 0x80000000 [ 947.217569][ T1064] Call Trace: [ 947.220921][ T1064] __schedule+0x76e/0x17d0 [ 947.225332][ T1064] ? __sched_text_start+0x8/0x8 [ 947.230263][ T1064] schedule+0xa8/0x270 [ 947.234338][ T1064] schedule_timeout+0x717/0xc50 [ 947.239472][ T1064] ? usleep_range+0x170/0x170 [ 947.244214][ T1064] ? __kasan_check_write+0x14/0x20 [ 947.249352][ T1064] ? lock_downgrade+0x920/0x920 [ 947.254275][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 947.259335][ T1064] ? wait_for_completion+0x9e/0x440 [ 947.264533][ T1064] ? trace_hardirqs_on+0x67/0x240 [ 947.269606][ T1064] ? __kasan_check_read+0x11/0x20 [ 947.274660][ T1064] wait_for_completion+0x29c/0x440 [ 947.279839][ T1064] ? wait_for_completion_interruptible+0x470/0x470 [ 947.286386][ T1064] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 947.292228][ T1064] ? wake_up_q+0xf0/0xf0 [ 947.296465][ T1064] ? kill_ioctx+0x1e4/0x2d0 [ 947.301052][ T1064] exit_aio+0x321/0x3a0 [ 947.305202][ T1064] ? ioctx_alloc+0x1dc0/0x1dc0 [ 947.309993][ T1064] ? mutex_unlock+0xd/0x10 [ 947.314397][ T1064] mmput+0xcf/0x4d0 [ 947.318262][ T1064] do_exit+0x84e/0x2e50 [ 947.322519][ T1064] ? mm_update_next_owner+0x640/0x640 [ 947.327996][ T1064] ? down_read_non_owner+0x490/0x490 [ 947.333268][ T1064] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 947.339545][ T1064] ? handle_mm_fault+0x1d3/0x6b0 [ 947.344557][ T1064] do_group_exit+0x135/0x360 [ 947.349184][ T1064] __x64_sys_exit_group+0x44/0x50 [ 947.354227][ T1064] do_syscall_64+0xfa/0x760 [ 947.358789][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 947.364669][ T1064] RIP: 0033:0x440808 [ 947.368574][ T1064] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 947.388497][ T1064] RSP: 002b:00007ffc0e137718 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 947.396908][ T1064] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440808 [ 947.404903][ T1064] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 947.413013][ T1064] RBP: 00000000004c0f10 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 947.421148][ T1064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 947.429130][ T1064] R13: 00000000006d3180 R14: 0000000000000000 R15: 0000000000000000 executing program [ 947.437123][ T1064] INFO: task syz-executor087:10880 blocked for more than 143 seconds. [ 947.445306][ T1064] Not tainted 5.3.0-rc4-next-20190813 #65 [ 947.451895][ T1064] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 947.460725][ T1064] syz-executor087 D26592 10880 10369 0x80000000 [ 947.467451][ T1064] Call Trace: [ 947.470871][ T1064] __schedule+0x76e/0x17d0 [ 947.475293][ T1064] ? __sched_text_start+0x8/0x8 [ 947.480352][ T1064] schedule+0xa8/0x270 [ 947.484465][ T1064] schedule_timeout+0x717/0xc50 [ 947.489341][ T1064] ? usleep_range+0x170/0x170 [ 947.494062][ T1064] ? __kasan_check_write+0x14/0x20 [ 947.499205][ T1064] ? lock_downgrade+0x920/0x920 [ 947.504075][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 947.509168][ T1064] ? wait_for_completion+0x9e/0x440 [ 947.514363][ T1064] ? trace_hardirqs_on+0x67/0x240 [ 947.519414][ T1064] ? __kasan_check_read+0x11/0x20 [ 947.524423][ T1064] wait_for_completion+0x29c/0x440 [ 947.529559][ T1064] ? wait_for_completion_interruptible+0x470/0x470 [ 947.536047][ T1064] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 947.541922][ T1064] ? wake_up_q+0xf0/0xf0 [ 947.546157][ T1064] ? kill_ioctx+0x1e4/0x2d0 [ 947.550681][ T1064] exit_aio+0x321/0x3a0 [ 947.554866][ T1064] ? ioctx_alloc+0x1dc0/0x1dc0 [ 947.559665][ T1064] ? mutex_unlock+0xd/0x10 [ 947.564180][ T1064] mmput+0xcf/0x4d0 [ 947.568019][ T1064] do_exit+0x84e/0x2e50 [ 947.572167][ T1064] ? mm_update_next_owner+0x640/0x640 [ 947.577523][ T1064] ? down_read_non_owner+0x490/0x490 [ 947.582851][ T1064] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 947.589154][ T1064] ? handle_mm_fault+0x1d3/0x6b0 [ 947.594137][ T1064] do_group_exit+0x135/0x360 [ 947.598769][ T1064] __x64_sys_exit_group+0x44/0x50 [ 947.603783][ T1064] do_syscall_64+0xfa/0x760 [ 947.608308][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 947.614353][ T1064] RIP: 0033:0x440808 [ 947.618276][ T1064] Code: Bad RIP value. [ 947.622321][ T1064] RSP: 002b:00007ffc0e137718 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 947.630750][ T1064] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440808 [ 947.638723][ T1064] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 947.646792][ T1064] RBP: 00000000004c0f10 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 947.654788][ T1064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 947.662770][ T1064] R13: 00000000006d3180 R14: 0000000000000000 R15: 0000000000000000 [ 947.670801][ T1064] INFO: task syz-executor087:11148 blocked for more than 143 seconds. [ 947.679099][ T1064] Not tainted 5.3.0-rc4-next-20190813 #65 executing program [ 947.685462][ T1064] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 947.694451][ T1064] syz-executor087 D26592 11148 10370 0x80000000 [ 947.700925][ T1064] Call Trace: [ 947.704209][ T1064] __schedule+0x76e/0x17d0 [ 947.708796][ T1064] ? __sched_text_start+0x8/0x8 [ 947.713648][ T1064] schedule+0xa8/0x270 [ 947.717789][ T1064] schedule_timeout+0x717/0xc50 [ 947.722683][ T1064] ? usleep_range+0x170/0x170 [ 947.727366][ T1064] ? __kasan_check_write+0x14/0x20 [ 947.732655][ T1064] ? lock_downgrade+0x920/0x920 [ 947.737507][ T1064] ? rwlock_bug.part.0+0x90/0x90 [ 947.742691][ T1064] ? wait_for_completion+0x9e/0x440 [ 947.747984][ T1064] ? trace_hardirqs_on+0x67/0x240 [ 947.753125][ T1064] ? __kasan_check_read+0x11/0x20 [ 947.758200][ T1064] wait_for_completion+0x29c/0x440 [ 947.763725][ T1064] ? wait_for_completion_interruptible+0x470/0x470 [ 947.770278][ T1064] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 947.776410][ T1064] ? wake_up_q+0xf0/0xf0 [ 947.780887][ T1064] ? kill_ioctx+0x1e4/0x2d0 [ 947.785499][ T1064] exit_aio+0x321/0x3a0 [ 947.789703][ T1064] ? ioctx_alloc+0x1dc0/0x1dc0 [ 947.794584][ T1064] ? mutex_unlock+0xd/0x10 [ 947.799277][ T1064] mmput+0xcf/0x4d0 [ 947.803206][ T1064] do_exit+0x84e/0x2e50 [ 947.807630][ T1064] ? mm_update_next_owner+0x640/0x640 [ 947.813133][ T1064] ? down_read_non_owner+0x490/0x490 [ 947.818854][ T1064] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 947.825094][ T1064] ? handle_mm_fault+0x1d3/0x6b0 [ 947.830219][ T1064] do_group_exit+0x135/0x360 [ 947.834998][ T1064] __x64_sys_exit_group+0x44/0x50 [ 947.840414][ T1064] do_syscall_64+0xfa/0x760 [ 947.845234][ T1064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 947.851237][ T1064] RIP: 0033:0x440808 [ 947.855225][ T1064] Code: Bad RIP value. [ 947.859334][ T1064] RSP: 002b:00007ffc0e137718 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 947.868366][ T1064] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440808 [ 947.876579][ T1064] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 947.884838][ T1064] RBP: 00000000004c0f10 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 947.893046][ T1064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 947.901330][ T1064] R13: 00000000006d3180 R14: 0000000000000000 R15: 0000000000000000 [ 947.909877][ T1064] INFO: lockdep is turned off. [ 947.915144][ T1064] NMI backtrace for cpu 0 [ 947.920494][ T1064] CPU: 0 PID: 1064 Comm: khungtaskd Not tainted 5.3.0-rc4-next-20190813 #65 [ 947.929527][ T1064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 947.939586][ T1064] Call Trace: [ 947.943154][ T1064] dump_stack+0x172/0x1f0 [ 947.947603][ T1064] nmi_cpu_backtrace.cold+0x70/0xb2 [ 947.952936][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 947.959297][ T1064] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 947.965039][ T1064] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 947.971123][ T1064] arch_trigger_cpumask_backtrace+0x14/0x20 [ 947.977310][ T1064] watchdog+0xc99/0x1360 [ 947.981926][ T1064] kthread+0x361/0x430 [ 947.986076][ T1064] ? reset_hung_task_detector+0x30/0x30 [ 947.991613][ T1064] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 947.998271][ T1064] ret_from_fork+0x24/0x30 [ 948.002990][ T1064] Sending NMI from CPU 0 to CPUs 1: [ 948.008552][ C1] NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0xe/0x10 [ 948.009480][ T1064] Kernel panic - not syncing: hung_task: blocked tasks [ 948.024535][ T1064] CPU: 0 PID: 1064 Comm: khungtaskd Not tainted 5.3.0-rc4-next-20190813 #65 [ 948.033325][ T1064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 948.043674][ T1064] Call Trace: [ 948.046963][ T1064] dump_stack+0x172/0x1f0 [ 948.051658][ T1064] panic+0x2dc/0x755 [ 948.055634][ T1064] ? add_taint.cold+0x16/0x16 [ 948.060445][ T1064] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 948.066554][ T1064] ? printk_safe_flush+0xf2/0x140 [ 948.072009][ T1064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 948.078367][ T1064] ? nmi_trigger_cpumask_backtrace+0x224/0x28b [ 948.084932][ T1064] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 948.091351][ T1064] watchdog+0xcaa/0x1360 [ 948.095958][ T1064] kthread+0x361/0x430 [ 948.100306][ T1064] ? reset_hung_task_detector+0x30/0x30 [ 948.106626][ T1064] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 948.113962][ T1064] ret_from_fork+0x24/0x30 [ 948.119936][ T1064] Kernel Offset: disabled [ 948.124420][ T1064] Rebooting in 86400 seconds..