------------[ cut here ]------------
WARNING: CPU: 1 PID: 27797 at fs/overlayfs/file.c:66 ovl_change_flags fs/overlayfs/file.c:66 [inline]
WARNING: CPU: 1 PID: 27797 at fs/overlayfs/file.c:66 ovl_real_fdget_meta+0x570/0x610 fs/overlayfs/file.c:117
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 27797 Comm: syz-executor.5 Not tainted 5.6.0-rc1-syzkaller #0
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+0x1fb/0x318 lib/dump_stack.c:118
 panic+0x264/0x7a9 kernel/panic.c:221
 __warn+0x209/0x210 kernel/panic.c:582
 report_bug+0x1b6/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0xcf/0x1c0 arch/x86/kernel/traps.c:267
 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:ovl_change_flags fs/overlayfs/file.c:66 [inline]
RIP: 0010:ovl_real_fdget_meta+0x570/0x610 fs/overlayfs/file.c:117
Code: 89 da e9 18 fc ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 29 fc ff ff 4c 89 ef e8 6a 62 28 ff e9 1c fc ff ff e8 50 3c eb fe <0f> 0b 41 bc fb ff ff ff e9 3a fc ff ff 48 8b 4d c8 80 e1 07 80 c1
RSP: 0018:ffffc9000819fc28 EFLAGS: 00010287
RAX: ffffffff828bc2d0 RBX: 000000000000a000 RCX: 0000000000040000
RDX: ffffc90010d77000 RSI: 0000000000000043 RDI: 0000000000000044
RBP: ffffc9000819fc88 R08: ffffffff828bc05b R09: ffffc9000819fdb8
R10: fffff52001033fba R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880622f8138 R14: 0000000004042000 R15: 0000000000002000
 ovl_real_fdget fs/overlayfs/file.c:124 [inline]
 ovl_read_iter+0x91/0xd30 fs/overlayfs/file.c:276
 call_read_iter include/linux/fs.h:1895 [inline]
 new_sync_read fs/read_write.c:414 [inline]
 __vfs_read+0x59e/0x730 fs/read_write.c:427
 vfs_read+0x1d8/0x420 fs/read_write.c:461
 ksys_read+0x117/0x220 fs/read_write.c:587
 __do_sys_read fs/read_write.c:597 [inline]
 __se_sys_read fs/read_write.c:595 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:595
 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b3b9
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fe859b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fe859b196d4 RCX: 000000000045b3b9
RDX: 0000000000000008 RSI: 0000000020000040 RDI: 0000000000000005
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000875 R14: 00000000004c9e22 R15: 000000000075bf2c
Kernel Offset: disabled
Rebooting in 86400 seconds..