[[0;32m OK [0m] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch.
[[0;32m OK [0m] Started Getty on tty6.
[[0;32m OK [0m] Started Getty on tty5.
[[0;32m OK [0m] Started Getty on tty4.
[[0;32m OK [0m] Started Getty on tty3.
[[0;32m OK [0m] Reached target Login Prompts.
[[0;32m OK [0m] Reached target Multi-User System.
[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.1.88' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 33.822174] ------------[ cut here ]------------
[ 33.827125] WARNING: CPU: 1 PID: 8085 at fs/overlayfs/file.c:60 ovl_real_fdget_meta.cold+0x11/0x1e
[ 33.836199] Kernel panic - not syncing: panic_on_warn set ...
[ 33.836199]
[ 33.843560] CPU: 1 PID: 8085 Comm: syz-executor355 Not tainted 4.19.211-syzkaller #0
[ 33.851423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
[ 33.860758] Call Trace:
[ 33.863329] dump_stack+0x1fc/0x2ef
[ 33.866940] panic+0x26a/0x50e
[ 33.870122] ? __warn_printk+0xf3/0xf3
[ 33.873992] ? ovl_real_fdget_meta.cold+0x11/0x1e
[ 33.878815] ? __probe_kernel_read+0x130/0x1b0
[ 33.883376] ? __warn.cold+0x5/0x5a
[ 33.886989] ? __warn+0xe4/0x200
[ 33.890334] ? ovl_real_fdget_meta.cold+0x11/0x1e
[ 33.895160] __warn.cold+0x20/0x5a
[ 33.898677] ? ovl_real_fdget_meta.cold+0x11/0x1e
[ 33.903501] report_bug+0x262/0x2b0
[ 33.907117] do_error_trap+0x1d7/0x310
[ 33.910988] ? math_error+0x310/0x310
[ 33.914767] ? __irq_work_queue_local+0x101/0x160
[ 33.919707] ? irq_work_queue+0x29/0x80
[ 33.923675] ? error_entry+0x72/0xd0
[ 33.927372] ? trace_hardirqs_off_caller+0x6e/0x210
[ 33.932533] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 33.937370] invalid_op+0x14/0x20
[ 33.940809] RIP: 0010:ovl_real_fdget_meta.cold+0x11/0x1e
[ 33.946239] Code: e8 42 ff 69 f9 44 89 f6 48 c7 c7 a0 97 99 88 e8 9e 30 fb ff e9 72 e5 71 fa e8 29 ff 69 f9 48 c7 c7 80 9e 99 88 e8 88 30 fb ff <0f> 0b 41 bd fb ff ff ff e9 4a f3 71 fa e8 0b ff 69 f9 48 c7 c7 80
[ 33.965296] RSP: 0018:ffff8880b060fc00 EFLAGS: 00010282
[ 33.970639] RAX: 0000000000000024 RBX: 0000000000002000 RCX: 0000000000000000
[ 33.977887] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed10160c1f72
[ 33.985141] RBP: 0000000004048000 R08: 0000000000000024 R09: 0000000000000000
[ 33.992393] R10: 0000000000000005 R11: 0000000000000000 R12: ffff88809e3b7c80
[ 33.999666] R13: ffff88808b44d7f0 R14: 000000000000a000 R15: ffff88809e3b7cf8
[ 34.006931] ? vprintk_func+0x81/0x180
[ 34.010804] ovl_read_iter+0x103/0x320
[ 34.014673] ? ovl_mmap+0x2e0/0x2e0
[ 34.018286] __vfs_read+0x518/0x750
[ 34.021897] ? __se_sys_copy_file_range+0x410/0x410
[ 34.026906] ? security_file_permission+0x1c0/0x220
[ 34.031914] vfs_read+0x194/0x3c0
[ 34.035348] ksys_read+0x12b/0x2a0
[ 34.038867] ? kernel_write+0x110/0x110
[ 34.042832] ? trace_hardirqs_off_caller+0x6e/0x210
[ 34.047828] ? do_syscall_64+0x21/0x620
[ 34.051791] do_syscall_64+0xf9/0x620
[ 34.055573] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 34.060738] RIP: 0033:0x7f751a04c159
[ 34.064428] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
[ 34.083311] RSP: 002b:00007fff2eb3fab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 34.090999] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f751a04c159
[ 34.098246] RDX: 0000000000002020 RSI: 0000000020000300 RDI: 0000000000000004
[ 34.105493] RBP: 00007f751a010140 R08: 0000000000000000 R09: 0000000000000000
[ 34.112743] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f751a0101d0
[ 34.119996] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 34.127528] Kernel Offset: disabled
[ 34.131185] Rebooting in 86400 seconds..