[  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 '10.128.0.250' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   42.975288][    T1] Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: mpol_to_str+0x3ec/0x3f0
[   42.986274][    T1] CPU: 1 PID: 1 Comm: systemd Not tainted 5.6.0-rc7-syzkaller #0
[   42.994008][    T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   43.004179][    T1] Call Trace:
[   43.007457][    T1]  dump_stack+0x1e9/0x30e
[   43.011771][    T1]  panic+0x264/0x7a0
[   43.015673][    T1]  ? mpol_to_str+0x3ec/0x3f0
[   43.020281][    T1]  ? mpol_to_str+0x304/0x3f0
[   43.024882][    T1]  ? vsnprintf+0x142/0x1aa0
[   43.029392][    T1]  ? mpol_to_str+0x3ec/0x3f0
[   43.034320][    T1]  __stack_chk_fail+0x1c/0x20
[   43.039002][    T1]  mpol_to_str+0x3ec/0x3f0
[   43.043444][    T1]  shmem_show_options+0x3d9/0x4c0
[   43.048454][    T1]  ? seq_puts+0xca/0x130
[   43.052696][    T1]  ? memcpy+0x38/0x50
[   43.056664][    T1]  ? seq_puts+0xca/0x130
[   43.060908][    T1]  ? show_sb_opts+0x11c/0x170
[   43.065586][    T1]  ? shmem_statfs+0x210/0x210
[   43.070263][    T1]  show_mountinfo+0x68d/0x790
[   43.075392][    T1]  seq_read+0x9df/0xd20
[   43.079568][    T1]  ? seq_open+0x160/0x160
[   43.083986][    T1]  __vfs_read+0xa7/0x6f0
[   43.088354][    T1]  vfs_read+0x1c0/0x3f0
[   43.092535][    T1]  ksys_read+0x115/0x220
[   43.096789][    T1]  do_syscall_64+0xf3/0x1b0
[   43.101312][    T1]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   43.107213][    T1] RIP: 0033:0x7f83e3f3f92d
[   43.111718][    T1] Code: 2d 2c 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 de 9b 01 00 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 27 9c 01 00 48 89 d0 48 83 c4 08 48 3d 01
[   43.131328][    T1] RSP: 002b:00007ffe6d4b18c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
[   43.139741][    T1] RAX: ffffffffffffffda RBX: 000055840db5f6d0 RCX: 00007f83e3f3f92d
[   43.147705][    T1] RDX: 0000000000000400 RSI: 000055840db5f900 RDI: 000000000000002b
[   43.155686][    T1] RBP: 0000000000000d68 R08: 00007f83e5975500 R09: 00000000000000e0
[   43.163646][    T1] R10: 000055840db5fce2 R11: 0000000000000293 R12: 00007f83e41fa440
[   43.171603][    T1] R13: 00007f83e41f9900 R14: 000000000000001e R15: 0000000000000000
[   43.180889][    T1] Kernel Offset: disabled
[   43.185275][    T1] Rebooting in 86400 seconds..