should_failslab+0xd6/0x130 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616
 kmalloc include/linux/slab.h:488 [inline]
 kzalloc include/linux/slab.h:661 [inline]
 alloc_nilfs+0x40/0x350 fs/nilfs2/the_nilfs.c:68
 nilfs_fill_super fs/nilfs2/super.c:1055 [inline]
 nilfs_mount+0x6a1/0xd00 fs/nilfs2/super.c:1331
------------[ cut here ]------------
WARNING: CPU: 0 PID: 15332 at fs/super.c:1163 kill_block_super+0xbe/0xe0 fs/super.c:1163
Kernel panic - not syncing: panic_on_warn set ...

 mount_fs+0x92/0x2a0 fs/super.c:1237
 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046
 vfs_kern_mount fs/namespace.c:1036 [inline]
 do_new_mount fs/namespace.c:2572 [inline]
 do_mount+0xe65/0x2a30 fs/namespace.c:2905
 SYSC_mount fs/namespace.c:3121 [inline]
 SyS_mount+0xa8/0x120 fs/namespace.c:3098
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fc3d99f87aa
RSP: 002b:00007fc3d836bf88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00000000200008c0 RCX: 00007fc3d99f87aa
RDX: 00000000200007c0 RSI: 0000000020000800 RDI: 00007fc3d836bfe0
RBP: 00007fc3d836c020 R08: 00007fc3d836c020 R09: 00000000200007c0
R10: 0000000000000000 R11: 0000000000000202 R12: 00000000200007c0
R13: 0000000020000800 R14: 00007fc3d836bfe0 R15: 0000000020000900
CPU: 0 PID: 15332 Comm: syz-executor.4 Not tainted 4.14.290-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
romfs: VFS: Can't find a romfs filesystem on dev loop5.
romfs: VFS: Can't find a romfs filesystem on dev loop2.
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x44 kernel/panic.c:547
 report_bug+0x208/0x250 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:kill_block_super+0xbe/0xe0 fs/super.c:1163
RSP: 0018:ffff8880898bfae8 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc90007008000
RDX: 0000000000040000 RSI: ffffffff81875ece RDI: ffff88808f324730
RBP: ffff8880981da680 R08: ffffffff8b9c7f60 R09: 0000000000000001
R10: 0000000000000000 R11: ffff8880b4b38600 R12: ffff88808f324280
R13: ffffffff8925feb0 R14: ffffffff88f45760 R15: dffffc0000000000
 deactivate_locked_super+0x6c/0xd0 fs/super.c:319
 sget_userns+0x9c4/0xc10 fs/super.c:537
 sget+0xd1/0x110 fs/super.c:572
 nilfs_mount+0x33b/0xd00 fs/nilfs2/super.c:1315
 mount_fs+0x92/0x2a0 fs/super.c:1237
 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046
 vfs_kern_mount fs/namespace.c:1036 [inline]
 do_new_mount fs/namespace.c:2572 [inline]
 do_mount+0xe65/0x2a30 fs/namespace.c:2905
 SYSC_mount fs/namespace.c:3121 [inline]
 SyS_mount+0xa8/0x120 fs/namespace.c:3098
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f6644b007aa
RSP: 002b:00007f6643473f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00000000200008c0 RCX: 00007f6644b007aa
RDX: 00000000200007c0 RSI: 0000000020000800 RDI: 00007f6643473fe0
RBP: 00007f6643474020 R08: 00007f6643474020 R09: 00000000200007c0
R10: 0000000000000000 R11: 0000000000000202 R12: 00000000200007c0
R13: 0000000020000800 R14: 00007f6643473fe0 R15: 0000000020000900
Kernel Offset: disabled
Rebooting in 86400 seconds..