------------[ cut here ]------------
WARNING: CPU: 0 PID: 21732 at fs/overlayfs/file.c:60 ovl_change_flags fs/overlayfs/file.c:60 [inline]
WARNING: CPU: 0 PID: 21732 at fs/overlayfs/file.c:60 ovl_real_fdget_meta.cold+0x11/0x1e fs/overlayfs/file.c:111
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 21732 Comm: syz-executor.5 Not tainted 4.19.177-syzkaller #0
overlayfs: failed to resolve './fil': -2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:ovl_change_flags fs/overlayfs/file.c:60 [inline]
RIP: 0010:ovl_real_fdget_meta.cold+0x11/0x1e fs/overlayfs/file.c:111
Code: e8 86 d1 6c f9 44 89 f6 48 c7 c7 20 76 99 88 e8 41 34 fb ff e9 76 7a 73 fa e8 6d d1 6c f9 48 c7 c7 00 7d 99 88 e8 2b 34 fb ff <0f> 0b 41 bd fb ff ff ff e9 4e 88 73 fa e8 4f d1 6c f9 48 c7 c7 00
RSP: 0018:ffff888092347c00 EFLAGS: 00010282
RAX: 0000000000000024 RBX: 0000000000002000 RCX: 0000000000000000
RDX: 00000000000080a0 RSI: ffffffff814de301 RDI: ffffed1012468f72
RBP: 0000000004048000 R08: 0000000000000024 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff888097a335c0
R13: ffff888039790630 R14: 000000000004a000 R15: ffff888097a33638
 ovl_real_fdget fs/overlayfs/file.c:118 [inline]
 ovl_read_iter+0x103/0x320 fs/overlayfs/file.c:243
 call_read_iter include/linux/fs.h:1815 [inline]
 new_sync_read fs/read_write.c:406 [inline]
 __vfs_read+0x518/0x750 fs/read_write.c:418
 vfs_read+0x194/0x3c0 fs/read_write.c:452
 ksys_read+0x12b/0x2a0 fs/read_write.c:579
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x465ef9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe227633188 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465ef9
RDX: 0000000000002020 RSI: 0000000020000840 RDI: 0000000000000005
RBP: 00000000004bcd1c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffc8d83a38f R14: 00007fe227633300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..