Warning: Permanently added '10.128.0.122' (ECDSA) to the list of known hosts.
executing program
[   35.335859] overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off.
[   35.352499] ------------[ cut here ]------------
[   35.357536] WARNING: CPU: 0 PID: 8113 at fs/inode.c:286 drop_nlink.cold+0x11/0x41
[   35.365156] Kernel panic - not syncing: panic_on_warn set ...
[   35.365156] 
[   35.372517] CPU: 0 PID: 8113 Comm: syz-executor213 Not tainted 4.19.211-syzkaller #0
[   35.380375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   35.389736] Call Trace:
[   35.392485]  dump_stack+0x1fc/0x2ef
[   35.396110]  panic+0x26a/0x50e
[   35.399300]  ? __warn_printk+0xf3/0xf3
[   35.403175]  ? drop_nlink.cold+0x11/0x41
[   35.407220]  ? __probe_kernel_read+0x130/0x1b0
[   35.411787]  ? __warn.cold+0x5/0x5a
[   35.415395]  ? __warn+0xe4/0x200
[   35.418742]  ? drop_nlink.cold+0x11/0x41
[   35.422785]  __warn.cold+0x20/0x5a
[   35.426305]  ? drop_nlink.cold+0x11/0x41
[   35.430346]  report_bug+0x262/0x2b0
[   35.433975]  do_error_trap+0x1d7/0x310
[   35.437852]  ? math_error+0x310/0x310
[   35.441655]  ? __irq_work_queue_local+0x101/0x160
[   35.446485]  ? irq_work_queue+0x29/0x80
[   35.450448]  ? error_entry+0x72/0xd0
[   35.454153]  ? trace_hardirqs_off_caller+0x6e/0x210
[   35.459148]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   35.463986]  invalid_op+0x14/0x20
[   35.467435] RIP: 0010:drop_nlink.cold+0x11/0x41
[   35.472085] Code: f9 e8 9c bd 6d f9 48 c7 c7 80 a8 74 88 e8 fb ee fe ff 0f 0b e9 9f 50 b4 f9 e8 84 bd 6d f9 48 c7 c7 80 b0 74 88 e8 e3 ee fe ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02
[   35.490964] RSP: 0018:ffff8880b16afcc0 EFLAGS: 00010286
[   35.496322] RAX: 0000000000000024 RBX: 0000000000000000 RCX: 0000000000000000
[   35.503682] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed10162d5f8a
[   35.510930] RBP: ffff88808dbe8120 R08: 0000000000000024 R09: 0000000000000000
[   35.518177] R10: 0000000000000005 R11: 0000000000000000 R12: ffff88808dbe8168
[   35.525435] R13: ffff88808e20cc60 R14: ffff8880b16afd58 R15: ffff88808dbe8120
[   35.532697]  ? vprintk_func+0x81/0x180
[   35.536568]  ovl_do_remove+0x8b3/0xdb0
[   35.540436]  ? ovl_rename+0x1a50/0x1a50
[   35.544389]  ? lock_acquire+0x170/0x3c0
[   35.548355]  ? vfs_unlink+0x31/0x4e0
[   35.552056]  vfs_unlink+0x27d/0x4e0
[   35.555749]  do_unlinkat+0x3b8/0x660
[   35.559441]  ? __ia32_sys_rmdir+0x40/0x40
[   35.563570]  ? strncpy_from_user+0x2a2/0x350
[   35.567962]  ? getname_flags+0x25b/0x590
[   35.572004]  do_syscall_64+0xf9/0x620
[   35.575798]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   35.580976] RIP: 0033:0x7f1f98d05059
[   35.584668] Code: 28 c3 e8 5a 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
[   35.603559] RSP: 002b:00007ffe23d37478 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
[   35.611257] RAX: ffffffffffffffda RBX: 00007ffe23d37488 RCX: 00007f1f98d05059
[   35.618514] RDX: 00007f1f98d05059 RSI: 83024f6de30d09cd RDI: 0000000020000540
[   35.625786] RBP: 00007ffe23d37480 R08: 00007f1f98cc35b0 R09: 00007f1f98cc35b0
[   35.633058] R10: 00007f1f98cc35b0 R11: 0000000000000246 R12: 0000000000000000
[   35.640310] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   35.647795] Kernel Offset: disabled
[   35.651450] Rebooting in 86400 seconds..