[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
         Starting Load/Save RF Kill Switch Status...
[  OK  ] Started Load/Save RF Kill Switch Status.
[  OK  ] Started Update UTMP about System Runlevel Changes.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.1.83' (ECDSA) to the list of known hosts.
syzkaller login: [   36.823651] IPVS: ftp: loaded support on port[0] = 21
executing program
[   36.900337] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/09/12 12:00 (1000)
[   36.921763] ------------[ cut here ]------------
[   36.926616] WARNING: CPU: 1 PID: 7957 at fs/udf/udfdecl.h:118 udf_free_inode+0x27a/0x2f0
[   36.934919] Kernel panic - not syncing: panic_on_warn set ...
[   36.934919] 
[   36.942269] CPU: 1 PID: 7957 Comm: syz-executor317 Not tainted 4.14.295-syzkaller #0
[   36.950126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
[   36.959454] Call Trace:
[   36.962036]  dump_stack+0x1b2/0x281
[   36.965652]  panic+0x1f9/0x42d
[   36.968917]  ? add_taint.cold+0x16/0x16
[   36.972880]  ? udf_free_inode+0x27a/0x2f0
[   36.977012]  ? udf_free_inode+0x27a/0x2f0
[   36.981139]  __warn.cold+0x20/0x44
[   36.984659]  ? ist_end_non_atomic+0x10/0x10
[   36.988960]  ? udf_free_inode+0x27a/0x2f0
[   36.993088]  report_bug+0x208/0x250
[   36.996700]  do_error_trap+0x195/0x2d0
[   37.000567]  ? math_error+0x2d0/0x2d0
[   37.004362]  ? udf_free_inode+0x88/0x2f0
[   37.008415]  ? __mutex_lock+0x360/0x1310
[   37.012485]  ? lock_downgrade+0x740/0x740
[   37.016621]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   37.021463]  invalid_op+0x1b/0x40
[   37.024909] RIP: 0010:udf_free_inode+0x27a/0x2f0
[   37.029656] RSP: 0018:ffff888095f1fae0 EFLAGS: 00010297
[   37.035094] RAX: ffff8880ae0622c0 RBX: ffff88808caf86b8 RCX: 0000000000000000
[   37.042348] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88808b4fb01c
[   37.049600] RBP: ffff88808b4fb000 R08: 0000000000000000 R09: 0000000000040579
[   37.056848] R10: ffff8880ae062b70 R11: ffff8880ae0622c0 R12: ffff8880b3982840
[   37.064095] R13: ffff88809e624b38 R14: ffff88809e624a80 R15: 0000000000000000
[   37.071358]  udf_evict_inode+0x2f0/0x520
[   37.075395]  ? udf_setsize+0xe90/0xe90
[   37.079263]  evict+0x2c8/0x700
[   37.082436]  iput+0x458/0x7e0
[   37.085522]  udf_sb_free_partitions.isra.0+0x6a6/0xaf0
[   37.090776]  ? init_once+0x40/0x40
[   37.094300]  udf_put_super+0x14d/0x2a0
[   37.098165]  ? udf_sb_free_partitions.isra.0+0xaf0/0xaf0
[   37.103595]  generic_shutdown_super+0x144/0x370
[   37.108247]  kill_block_super+0x95/0xe0
[   37.112287]  deactivate_locked_super+0x6c/0xd0
[   37.116854]  deactivate_super+0x7f/0xa0
[   37.120807]  cleanup_mnt+0x186/0x2c0
[   37.124500]  task_work_run+0x11f/0x190
[   37.128370]  do_exit+0xa44/0x2850
[   37.131802]  ? __do_page_fault+0x571/0xad0
[   37.136016]  ? mm_update_next_owner+0x5b0/0x5b0
[   37.140667]  ? lock_downgrade+0x740/0x740
[   37.144797]  do_group_exit+0x100/0x2e0
[   37.148665]  SyS_exit_group+0x19/0x20
[   37.152453]  ? do_group_exit+0x2e0/0x2e0
[   37.156491]  do_syscall_64+0x1d5/0x640
[   37.160364]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   37.165534] RIP: 0033:0x7fbc64c57ca9
[   37.169243] RSP: 002b:00007ffc91cc0a18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   37.176929] RAX: ffffffffffffffda RBX: 00007fbc64cce3f0 RCX: 00007fbc64c57ca9
[   37.184183] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   37.191431] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007fbc64cc8e40
[   37.198685] R10: 00007fbc64cc8e40 R11: 0000000000000246 R12: 00007fbc64cce3f0
[   37.205934] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[   37.213509] Kernel Offset: disabled
[   37.217164] Rebooting in 86400 seconds..