[ 34.989584][ T26] audit: type=1800 audit(1556018071.144:28): pid=7378 uid=0 auid=4294967295 ses=4294967295 subj=_ 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. [ 35.793671][ T26] audit: type=1800 audit(1556018072.034:29): pid=7378 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 35.813803][ T26] audit: type=1800 audit(1556018072.034:30): pid=7378 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 [....] startpar: service(s) returned failure: ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.93' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 45.915781][ T7559] ------------[ cut here ]------------ [ 45.934400][ T7559] memory commitment underflow [ 45.934539][ T7559] WARNING: CPU: 0 PID: 7559 at mm/util.c:657 __vm_enough_memory+0x47b/0x5a0 [ 45.947899][ T7559] Kernel panic - not syncing: panic_on_warn set ... [ 45.954529][ T7559] CPU: 0 PID: 7559 Comm: syz-executor379 Not tainted 5.1.0-rc6 #79 executing program executing program executing program executing program executing program [ 45.962510][ T7559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.972562][ T7559] Call Trace: [ 45.975869][ T7559] dump_stack+0x172/0x1f0 [ 45.980321][ T7559] ? __vm_enough_memory+0x3d0/0x5a0 [ 45.985644][ T7559] panic+0x2cb/0x65c [ 45.989551][ T7559] ? __warn_printk+0xf3/0xf3 [ 45.994148][ T7559] ? __vm_enough_memory+0x47b/0x5a0 [ 45.999346][ T7559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.005590][ T7559] ? __warn.cold+0x5/0x45 [ 46.009932][ T7559] ? __warn+0xe8/0x1d0 [ 46.014010][ T7559] ? __vm_enough_memory+0x47b/0x5a0 [ 46.019219][ T7559] __warn.cold+0x20/0x45 [ 46.023464][ T7559] ? vprintk_emit+0x1ce/0x6d0 [ 46.028140][ T7559] ? __vm_enough_memory+0x47b/0x5a0 [ 46.033429][ T7559] report_bug+0x263/0x2b0 [ 46.037768][ T7559] do_error_trap+0x11b/0x200 [ 46.042365][ T7559] do_invalid_op+0x37/0x50 [ 46.046779][ T7559] ? __vm_enough_memory+0x47b/0x5a0 [ 46.051976][ T7559] invalid_op+0x14/0x20 [ 46.056142][ T7559] RIP: 0010:__vm_enough_memory+0x47b/0x5a0 [ 46.061945][ T7559] Code: e8 aa 79 da ff 0f b6 75 d0 40 84 f6 0f 85 50 fc ff ff e8 58 78 da ff 48 c7 c7 60 7c 72 87 c6 05 2f 73 c4 07 01 e8 03 26 ad ff <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 0f b6 14 [ 46.081539][ T7559] RSP: 0018:ffff88809912fb10 EFLAGS: 00010286 [ 46.087700][ T7559] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 46.095680][ T7559] RDX: 0000000000000000 RSI: ffffffff815afcf6 RDI: ffffed1013225f54 [ 46.103657][ T7559] RBP: ffff88809912fb48 R08: ffff88808fe5a040 R09: ffff88808fe5a930 [ 46.111636][ T7559] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 46.119600][ T7559] R13: ffff8880a93080c0 R14: ffffffff88a2a580 R15: 0000000000000c67 [ 46.127598][ T7559] ? vprintk_func+0x86/0x189 [ 46.132232][ T7559] security_vm_enough_memory_mm+0xa0/0xd0 [ 46.137971][ T7559] copy_process.part.0+0x3411/0x7980 [ 46.143288][ T7559] ? __cleanup_sighand+0x60/0x60 [ 46.148235][ T7559] ? __handle_mm_fault+0x7cd/0x3ec0 [ 46.153451][ T7559] ? __do_page_fault+0x623/0xda0 [ 46.158400][ T7559] ? find_held_lock+0x35/0x130 [ 46.163173][ T7559] _do_fork+0x257/0xfd0 [ 46.167349][ T7559] ? fork_idle+0x1d0/0x1d0 [ 46.171776][ T7559] ? kasan_check_write+0x14/0x20 [ 46.176726][ T7559] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 46.182253][ T7559] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 46.187721][ T7559] ? do_syscall_64+0x26/0x610 [ 46.192397][ T7559] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.198458][ T7559] ? do_syscall_64+0x26/0x610 [ 46.203147][ T7559] __x64_sys_clone+0xbf/0x150 [ 46.207837][ T7559] do_syscall_64+0x103/0x610 [ 46.212439][ T7559] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.218334][ T7559] RIP: 0033:0x43fc4a [ 46.222589][ T7559] Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 [ 46.242215][ T7559] RSP: 002b:00007ffd2bbec980 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 46.250638][ T7559] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043fc4a [ 46.258622][ T7559] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 46.266605][ T7559] RBP: 00007ffd2bbec9a0 R08: 0000000000001d87 R09: 000000000112d880 [ 46.274568][ T7559] R10: 000000000112db50 R11: 0000000000000246 R12: 0000000000001d87 [ 46.282553][ T7559] R13: 0000000000402090 R14: 0000000000000000 R15: 0000000000000000 [ 46.291730][ T7559] Kernel Offset: disabled [ 46.296140][ T7559] Rebooting in 86400 seconds..