------------[ cut here ]------------
WARNING: CPU: 1 PID: 10055 at fs/overlayfs/file.c:66 ovl_change_flags fs/overlayfs/file.c:66 [inline]
WARNING: CPU: 1 PID: 10055 at fs/overlayfs/file.c:66 ovl_real_fdget_meta+0x49c/0x530 fs/overlayfs/file.c:117
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 10055 Comm: syz-executor.0 Not tainted 5.7.0-rc6-next-20200522-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+0x18f/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:231
 __warn.cold+0x2f/0x3a kernel/panic.c:600
 report_bug+0x27b/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:105 [inline]
 fixup_bug arch/x86/kernel/traps.c:100 [inline]
 do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:197
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:216
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1026
RIP: 0010:ovl_change_flags fs/overlayfs/file.c:66 [inline]
RIP: 0010:ovl_real_fdget_meta+0x49c/0x530 fs/overlayfs/file.c:117
Code: ff 4c 89 ff e8 a5 73 2c ff e9 ff fc ff ff e8 9b 73 2c ff e9 c5 fc ff ff 4c 89 f7 e8 fe 73 2c ff e9 5d fd ff ff e8 34 60 ed fe <0f> 0b 41 bd fb ff ff ff e9 fd fc ff ff e8 82 73 2c ff e9 84 fb ff
RSP: 0018:ffffc9001649fe10 EFLAGS: 00010212
RAX: 0000000000040000 RBX: 0000000000002000 RCX: ffffc90001d15000
RDX: 0000000000000047 RSI: ffffffff8286472c RDI: 0000000000000005
RBP: 000000000404c000 R08: ffff888062522400 R09: ffffed1012791022
R10: ffffc9001649fed8 R11: ffffed1012791021 R12: ffff88809795ca40
R13: ffff8880863f4278 R14: 000000000000e000 R15: ffff88809795cac0
 ovl_real_fdget fs/overlayfs/file.c:124 [inline]
 ovl_llseek+0xe5/0x350 fs/overlayfs/file.c:174
 vfs_llseek fs/read_write.c:300 [inline]
 ksys_lseek+0x111/0x1b0 fs/read_write.c:313
 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x45ca29
Code: 0d b7 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f279aa40c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000008
RAX: ffffffffffffffda RBX: 00000000004f5600 RCX: 000000000045ca29
RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000071f R14: 00000000004ca0ab R15: 00007f279aa416d4
Kernel Offset: disabled
Rebooting in 86400 seconds..