Warning: Permanently added '10.128.10.43' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   43.724013][ T6819] ------------[ cut here ]------------
[   43.730462][ T6819] WARNING: CPU: 0 PID: 6819 at fs/overlayfs/file.c:81 ovl_real_fdget_meta+0x4aa/0x520
[   43.740345][ T6819] Kernel panic - not syncing: panic_on_warn set ...
[   43.746936][ T6819] CPU: 0 PID: 6819 Comm: syz-executor198 Not tainted 5.8.0-syzkaller #0
[   43.755239][ T6819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   43.765289][ T6819] Call Trace:
[   43.768578][ T6819]  dump_stack+0x1f0/0x31e
[   43.772899][ T6819]  panic+0x264/0x7a0
[   43.776776][ T6819]  ? __warn+0x102/0x250
[   43.780907][ T6819]  ? ovl_real_fdget_meta+0x4aa/0x520
[   43.786197][ T6819]  ? ovl_real_fdget_meta+0x4aa/0x520
[   43.791455][ T6819]  __warn+0x227/0x250
[   43.795413][ T6819]  ? ovl_real_fdget_meta+0x4aa/0x520
[   43.800676][ T6819]  report_bug+0x1b1/0x2e0
[   43.805002][ T6819]  handle_bug+0x42/0x80
[   43.809129][ T6819]  exc_invalid_op+0x16/0x40
[   43.813627][ T6819]  asm_exc_invalid_op+0x12/0x20
[   43.818465][ T6819] RIP: 0010:ovl_real_fdget_meta+0x4aa/0x520
[   43.824405][ T6819] Code: ff df e9 c5 fc ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d6 fc ff ff 4c 89 ef e8 30 8c 28 ff e9 c9 fc ff ff e8 36 b6 e8 fe <0f> 0b bd fb ff ff ff e9 e1 fc ff ff 48 8b 0c 24 80 e1 07 80 c1 03
[   43.843997][ T6819] RSP: 0018:ffffc90001e87bf0 EFLAGS: 00010293
[   43.850906][ T6819] RAX: ffffffff828c3d1a RBX: 0000000004042000 RCX: ffff8880a79002c0
[   43.866579][ T6819] RDX: 0000000000000000 RSI: 0000000000002000 RDI: 0000000000000000
[   43.874553][ T6819] RBP: 0000000000000000 R08: ffffffff828c3a80 R09: ffff888098ad0c70
[   43.882500][ T6819] R10: ffffed101315a190 R11: 0000000000000000 R12: 000000000000a000
[   43.890444][ T6819] R13: ffff8880a70c8ac0 R14: 0000000000002000 R15: 1ffff11014e19158
[   43.898400][ T6819]  ? ovl_real_fdget_meta+0x210/0x520
[   43.903658][ T6819]  ? ovl_real_fdget_meta+0x4aa/0x520
[   43.908919][ T6819]  ? ovl_splice_write+0x410/0x410
[   43.913916][ T6819]  ovl_splice_read+0x43/0x410
[   43.918572][ T6819]  ? debug_mutex_init+0x32/0x60
[   43.923412][ T6819]  ? ovl_splice_write+0x410/0x410
[   43.928412][ T6819]  splice_direct_to_actor+0x3bd/0xb60
[   43.933779][ T6819]  ? do_splice_direct+0x340/0x340
[   43.938821][ T6819]  do_splice_direct+0x201/0x340
[   43.943669][ T6819]  do_sendfile+0x86d/0x1210
[   43.948159][ T6819]  __x64_sys_sendfile64+0x164/0x1a0
[   43.953339][ T6819]  do_syscall_64+0x31/0x70
[   43.957745][ T6819]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   43.963613][ T6819] RIP: 0033:0x4403d9
[   43.967579][ T6819] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[   43.987598][ T6819] RSP: 002b:00007fffce0d30e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
[   43.996000][ T6819] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004403d9
[   44.003949][ T6819] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
[   44.011893][ T6819] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
[   44.019871][ T6819] R10: 000000000000bd96 R11: 0000000000000246 R12: 0000000000401be0
[   44.027818][ T6819] R13: 0000000000401c70 R14: 0000000000000000 R15: 0000000000000000
[   44.037437][ T6819] Kernel Offset: disabled
[   44.041851][ T6819] Rebooting in 86400 seconds..