overlayfs: conflicting lowerdir path
MINIX-fs: mounting unchecked file system, running fsck is recommended
MINIX-fs: bad superblock or unable to read bitmaps
------------[ cut here ]------------
WARNING: CPU: 0 PID: 18423 at fs/inode.c:342 inc_nlink.cold+0x11/0x18 fs/inode.c:342
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 18423 Comm: syz-executor.2 Not tainted 4.19.112-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+0x188/0x20d lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x46 kernel/panic.c:541
 report_bug+0x262/0x2a0 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:1037
RIP: 0010:inc_nlink.cold+0x11/0x18 fs/inode.c:342
Code: cb b9 ff 44 89 e0 5b 5d 41 5c c3 e8 00 92 ef ff eb c3 e8 09 92 ef ff eb 8e e8 82 cb b9 ff 48 c7 c7 80 ce 74 87 e8 6f e8 a4 ff <0f> 0b e9 28 86 ff ff e8 6a cb b9 ff 48 8d 7b 40 b8 ff ff 37 00 48
RSP: 0018:ffff888058f67d88 EFLAGS: 00010282
RAX: 0000000000000024 RBX: ffff888056fbc568 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8152d3a1 RDI: ffffed100b1ecfa3
RBP: 0000000000000000 R08: 0000000000000024 R09: ffffed1015cc5079
R10: ffffed1015cc5078 R11: ffff8880ae6283c7 R12: ffff888056fbc5b0
R13: ffff8880933f1c60 R14: ffff8880933f1cb8 R15: 0000000000000000
 inode_inc_link_count include/linux/fs.h:2097 [inline]
 minix_mkdir+0x71/0x1b0 fs/minix/namei.c:117
 vfs_mkdir+0x419/0x690 fs/namei.c:3819
 do_mkdirat+0x21e/0x280 fs/namei.c:3842
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c849
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:00007ffa9a504c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007ffa9a5056d4 RCX: 000000000045c849
RDX: 0000000000000050 RSI: 0000000020000040 RDI: 0000000000000003
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000072d R14: 00000000004c9f0b R15: 000000000076bf0c
Kernel Offset: disabled
Rebooting in 86400 seconds..