[  OK  ] Reached target Login Prompts.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.


Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.10.11' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   47.590442] audit: type=1400 audit(1590021294.558:8): avc:  denied  { execmem } for  pid=6360 comm="syz-executor076" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   47.599504] MINIX-fs: mounting unchecked file system, running fsck is recommended
[   47.626007] ------------[ cut here ]------------
[   47.630891] WARNING: CPU: 0 PID: 6360 at fs/inode.c:342 inc_nlink+0x113/0x130
[   47.638162] Kernel panic - not syncing: panic_on_warn set ...
[   47.638162] 
[   47.645556] CPU: 0 PID: 6360 Comm: syz-executor076 Not tainted 4.14.181-syzkaller #0
[   47.653727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   47.663211] Call Trace:
[   47.665922]  dump_stack+0x1b2/0x283
[   47.669587]  panic+0x1f9/0x42d
[   47.672779]  ? add_taint.cold+0x16/0x16
[   47.676794]  ? inc_nlink+0x113/0x130
[   47.680517]  ? inc_nlink+0x113/0x130
[   47.684214]  __warn.cold+0x2f/0x30
[   47.687770]  ? ist_end_non_atomic+0x10/0x10
[   47.692086]  ? inc_nlink+0x113/0x130
[   47.695787]  report_bug+0x20a/0x248
[   47.699420]  do_error_trap+0x195/0x2d0
[   47.703370]  ? math_error+0x2d0/0x2d0
[   47.707235]  ? avc_has_perm_noaudit+0x2a0/0x2a0
[   47.711908]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   47.716732]  invalid_op+0x1b/0x40
[   47.720165] RIP: 0010:inc_nlink+0x113/0x130
[   47.724458] RSP: 0018:ffff88809a2dfdb0 EFLAGS: 00010297
[   47.729900] RAX: ffff88809a136240 RBX: ffff888083682970 RCX: 1ffff11013426d57
[   47.737167] RDX: 0000000000000000 RSI: ffff88808369bb40 RDI: ffff888083682a48
[   47.744545] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000002
[   47.752064] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880836829b8
[   47.759314] R13: ffff88808369bb40 R14: ffff88808369bb98 R15: 0000000000000000
[   47.766596]  minix_mkdir+0x5a/0x160
[   47.770202]  ? minix_create+0x30/0x30
[   47.773979]  ? security_inode_mkdir+0xcc/0x100
[   47.778643]  vfs_mkdir+0x3af/0x620
[   47.782187]  SyS_mkdirat+0x1b5/0x220
[   47.787010]  ? SyS_mknod+0x30/0x30
[   47.790536]  ? do_vfs_ioctl+0xfe0/0xfe0
[   47.794510]  ? do_syscall_64+0x4c/0x640
[   47.798480]  ? SyS_mkdirat+0x220/0x220
[   47.802386]  do_syscall_64+0x1d5/0x640
[   47.806613]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   47.811848] RIP: 0033:0x444a69
[   47.815279] RSP: 002b:00007ffd3e0b8558 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[   47.823225] RAX: ffffffffffffffda RBX: 00007ffd3e0b8560 RCX: 0000000000444a69
[   47.830489] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000240
[   47.837735] RBP: 0000000000000000 R08: 0000000000400e50 R09: 0000000000400e50
[   47.844994] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004026d0
[   47.852328] R13: 0000000000402760 R14: 0000000000000000 R15: 0000000000000000
[   47.861480] Kernel Offset: disabled
[   47.865142] Rebooting in 86400 seconds..