------------[ cut here ]------------
WARNING: CPU: 1 PID: 16983 at fs/overlayfs/file.c:66 ovl_change_flags fs/overlayfs/file.c:66 [inline]
WARNING: CPU: 1 PID: 16983 at fs/overlayfs/file.c:66 ovl_real_fdget_meta+0x4a3/0x540 fs/overlayfs/file.c:117
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 16983 Comm: syz-executor.0 Not tainted 5.6.0-rc3-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+0x197/0x210 lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x3e kernel/panic.c:582
 report_bug+0x289/0x300 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 fixup_bug arch/x86/kernel/traps.c:169 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267
 do_invalid_op+0x37/0x50 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+0x4a3/0x540 fs/overlayfs/file.c:117
Code: ff 4c 89 f7 e8 6e 54 2b ff e9 fb fc ff ff e8 64 54 2b ff e9 c7 fc ff ff 4c 89 f7 e8 f7 54 2b ff e9 5e fd ff ff e8 bd ae ec fe <0f> 0b 41 bc fb ff ff ff e9 f9 fc ff ff e8 5b 54 2b ff e9 85 fb ff
RSP: 0018:ffffc90001d27b68 EFLAGS: 00010216
RAX: 0000000000040000 RBX: 0000000004048000 RCX: ffffc900020b9000
RDX: 000000000000008c RSI: ffffffff8288d893 RDI: 0000000000000005
RBP: ffffc90001d27b98 R08: ffff888083ce8540 R09: 0000000000000000
R10: ffffc90001d27e10 R11: ffff8880a656e587 R12: 000000000000a000
R13: ffff88809696e080 R14: ffff88809696e0f8 R15: ffff888090e683c8
 ovl_real_fdget fs/overlayfs/file.c:124 [inline]
 ovl_read_iter+0x10a/0x800 fs/overlayfs/file.c:276
 call_read_iter include/linux/fs.h:1895 [inline]
 new_sync_read+0x4d7/0x800 fs/read_write.c:414
 __vfs_read+0xe1/0x110 fs/read_write.c:427
 vfs_read+0x1f0/0x440 fs/read_write.c:461
 ksys_read+0x14f/0x290 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+0x73/0xb0 fs/read_write.c:595
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c449
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:00007f80247c5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f80247c66d4 RCX: 000000000045c449
RDX: 0000000000000008 RSI: 0000000020000040 RDI: 0000000000000004
RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000087b R14: 00000000004caef7 R15: 000000000076bf2c
Kernel Offset: disabled
Rebooting in 86400 seconds..