[info] Using makefile-style concurrent boot in runlevel 2. [ 49.987948][ T26] audit: type=1800 audit(1566029524.710:21): pid=8934 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 50.032197][ T26] audit: type=1800 audit(1566029524.710:22): pid=8934 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.37' (ECDSA) to the list of known hosts. syzkaller login: [ 749.871438][ T9093] IPVS: ftp: loaded support on port[0] = 21 [ 749.879425][ T9094] IPVS: ftp: loaded support on port[0] = 21 [ 749.886441][ T9096] IPVS: ftp: loaded support on port[0] = 21 [ 749.893346][ T9098] IPVS: ftp: loaded support on port[0] = 21 [ 749.893657][ T9097] IPVS: ftp: loaded support on port[0] = 21 [ 749.907204][ T9095] 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 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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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 908.141844][ T1057] INFO: task syz-executor009:9113 blocked for more than 143 seconds. [ 908.150096][ T1057] Not tainted 5.3.0-rc4+ #78 [ 908.155442][ T1057] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 908.164177][ T1057] syz-executor009 D27464 9113 9095 0x80004000 [ 908.170503][ T1057] Call Trace: [ 908.173898][ T1057] __schedule+0x877/0xc50 [ 908.178206][ T1057] schedule+0x131/0x1e0 [ 908.182404][ T1057] schedule_timeout+0x46/0x240 [ 908.187182][ T1057] ? trace_irq_enable_rcuidle+0x23/0x1e0 [ 908.192855][ T1057] do_wait_for_common+0x2e7/0x4d0 [ 908.197987][ T1057] ? console_conditional_schedule+0x40/0x40 [ 908.203977][ T1057] ? do_task_dead+0xc0/0xc0 [ 908.208479][ T1057] wait_for_completion+0x47/0x60 [ 908.213488][ T1057] exit_aio+0x2a0/0x370 [ 908.217742][ T1057] __mmput+0x66/0x3a0 [ 908.221724][ T1057] mmput+0x5d/0x70 [ 908.225499][ T1057] exit_mm+0x50a/0x590 [ 908.229573][ T1057] ? tty_audit_exit+0x147/0x1f0 [ 908.234440][ T1057] do_exit+0x565/0x21a0 [ 908.238601][ T1057] do_group_exit+0x15c/0x2b0 [ 908.243211][ T1057] __do_sys_exit_group+0x17/0x20 [ 908.248134][ T1057] __se_sys_exit_group+0x14/0x20 [ 908.253084][ T1057] __x64_sys_exit_group+0x3b/0x40 [ 908.258113][ T1057] do_syscall_64+0xfe/0x140 [ 908.262702][ T1057] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 908.268580][ T1057] RIP: 0033:0x440808 [ 908.272478][ T1057] 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 [ 908.292078][ T1057] RSP: 002b:00007fff9580bdd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 908.300502][ T1057] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440808 [ 908.308484][ T1057] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 908.316452][ T1057] RBP: 00000000004c0f10 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 908.324455][ T1057] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 908.332427][ T1057] R13: 00000000006d3180 R14: 0000000000000000 R15: 0000000000000000 executing program [ 908.340504][ T1057] INFO: task syz-executor009:9117 blocked for more than 143 seconds. [ 908.348749][ T1057] Not tainted 5.3.0-rc4+ #78 [ 908.353870][ T1057] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 908.362700][ T1057] syz-executor009 D27720 9117 9094 0x80004000 [ 908.369032][ T1057] Call Trace: [ 908.372378][ T1057] __schedule+0x877/0xc50 [ 908.376688][ T1057] schedule+0x131/0x1e0 [ 908.380825][ T1057] schedule_timeout+0x46/0x240 [ 908.385609][ T1057] ? trace_irq_enable_rcuidle+0x23/0x1e0 [ 908.391229][ T1057] do_wait_for_common+0x2e7/0x4d0 [ 908.396457][ T1057] ? console_conditional_schedule+0x40/0x40 [ 908.402356][ T1057] ? do_task_dead+0xc0/0xc0 [ 908.406830][ T1057] wait_for_completion+0x47/0x60 [ 908.411786][ T1057] exit_aio+0x2a0/0x370 [ 908.415972][ T1057] __mmput+0x66/0x3a0 [ 908.419926][ T1057] mmput+0x5d/0x70 [ 908.423659][ T1057] exit_mm+0x50a/0x590 [ 908.427700][ T1057] ? tty_audit_exit+0x147/0x1f0 [ 908.432600][ T1057] do_exit+0x565/0x21a0 [ 908.436760][ T1057] do_group_exit+0x15c/0x2b0 [ 908.441336][ T1057] __do_sys_exit_group+0x17/0x20 [ 908.446749][ T1057] __se_sys_exit_group+0x14/0x20 [ 908.451775][ T1057] __x64_sys_exit_group+0x3b/0x40 [ 908.456776][ T1057] do_syscall_64+0xfe/0x140 [ 908.461251][ T1057] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 908.467153][ T1057] RIP: 0033:0x440808 [ 908.471020][ T1057] 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 [ 908.490634][ T1057] RSP: 002b:00007fff9580bdd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 908.499048][ T1057] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440808 [ 908.507188][ T1057] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 908.515149][ T1057] RBP: 00000000004c0f10 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 908.523121][ T1057] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 908.531071][ T1057] R13: 00000000006d3180 R14: 0000000000000000 R15: 0000000000000000 [ 908.539295][ T1057] INFO: task syz-executor009:9372 blocked for more than 143 seconds. [ 908.547346][ T1057] Not tainted 5.3.0-rc4+ #78 [ 908.552478][ T1057] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 908.561136][ T1057] syz-executor009 D27592 9372 9098 0x80004000 [ 908.567494][ T1057] Call Trace: [ 908.570772][ T1057] __schedule+0x877/0xc50 [ 908.575096][ T1057] schedule+0x131/0x1e0 [ 908.579222][ T1057] schedule_timeout+0x46/0x240 [ 908.584157][ T1057] ? trace_irq_enable_rcuidle+0x23/0x1e0 [ 908.589783][ T1057] do_wait_for_common+0x2e7/0x4d0 [ 908.594820][ T1057] ? console_conditional_schedule+0x40/0x40 [ 908.600688][ T1057] ? do_task_dead+0xc0/0xc0 [ 908.605191][ T1057] wait_for_completion+0x47/0x60 [ 908.610155][ T1057] exit_aio+0x2a0/0x370 [ 908.614507][ T1057] __mmput+0x66/0x3a0 [ 908.618460][ T1057] mmput+0x5d/0x70 [ 908.622305][ T1057] exit_mm+0x50a/0x590 [ 908.626351][ T1057] ? tty_audit_exit+0x147/0x1f0 [ 908.631168][ T1057] do_exit+0x565/0x21a0 [ 908.635324][ T1057] do_group_exit+0x15c/0x2b0 [ 908.640023][ T1057] __do_sys_exit_group+0x17/0x20 [ 908.644981][ T1057] __se_sys_exit_group+0x14/0x20 [ 908.649893][ T1057] __x64_sys_exit_group+0x3b/0x40 [ 908.654961][ T1057] do_syscall_64+0xfe/0x140 [ 908.659448][ T1057] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 908.665360][ T1057] RIP: 0033:0x440808 [ 908.669237][ T1057] 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 [ 908.688910][ T1057] RSP: 002b:00007fff9580bdd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 908.697320][ T1057] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440808 [ 908.705294][ T1057] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 908.713259][ T1057] RBP: 00000000004c0f10 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 908.721203][ T1057] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 908.729212][ T1057] R13: 00000000006d3180 R14: 0000000000000000 R15: 0000000000000000 [ 908.737235][ T1057] INFO: lockdep is turned off. executing program executing program [ 908.745390][ T1057] NMI backtrace for cpu 1 [ 908.749723][ T1057] CPU: 1 PID: 1057 Comm: khungtaskd Not tainted 5.3.0-rc4+ #78 [ 908.757231][ T1057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 908.767258][ T1057] Call Trace: [ 908.770570][ T1057] dump_stack+0x1d8/0x2f8 [ 908.774883][ T1057] nmi_cpu_backtrace+0xaf/0x1a0 [ 908.779733][ T1057] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 908.785899][ T1057] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 908.791943][ T1057] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 908.797898][ T1057] arch_trigger_cpumask_backtrace+0x10/0x20 [ 908.803799][ T1057] trigger_all_cpu_backtrace+0x17/0x20 [ 908.809243][ T1057] watchdog+0xbb9/0xbd0 [ 908.813410][ T1057] kthread+0x332/0x350 [ 908.817490][ T1057] ? hungtask_pm_notify+0x50/0x50 [ 908.823060][ T1057] ? kthread_blkcg+0xe0/0xe0 [ 908.828098][ T1057] ret_from_fork+0x24/0x30 [ 908.832575][ T1057] Sending NMI from CPU 1 to CPUs 0: [ 908.837847][ C0] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xe/0x10 [ 908.838827][ T1057] Kernel panic - not syncing: hung_task: blocked tasks [ 908.853019][ T1057] CPU: 1 PID: 1057 Comm: khungtaskd Not tainted 5.3.0-rc4+ #78 [ 908.860525][ T1057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 908.870548][ T1057] Call Trace: [ 908.873809][ T1057] dump_stack+0x1d8/0x2f8 [ 908.878250][ T1057] panic+0x25c/0x799 [ 908.882116][ T1057] ? nmi_trigger_cpumask_backtrace+0x21a/0x290 [ 908.888290][ T1057] watchdog+0xbcc/0xbd0 [ 908.892423][ T1057] kthread+0x332/0x350 [ 908.896463][ T1057] ? hungtask_pm_notify+0x50/0x50 [ 908.901465][ T1057] ? kthread_blkcg+0xe0/0xe0 [ 908.906025][ T1057] ret_from_fork+0x24/0x30 [ 908.911643][ T1057] Kernel Offset: disabled [ 908.915958][ T1057] Rebooting in 86400 seconds..