------------[ cut here ]------------
WARNING: CPU: 1 PID: 11368 at fs/kernfs/dir.c:504 kernfs_get fs/kernfs/dir.c:504 [inline]
WARNING: CPU: 1 PID: 11368 at fs/kernfs/dir.c:504 __kernfs_remove+0x6f4/0x7d8 fs/kernfs/dir.c:1377
Modules linked in:
CPU: 1 PID: 11368 Comm: syz-executor.4 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : kernfs_get fs/kernfs/dir.c:504 [inline]
pc : __kernfs_remove+0x6f4/0x7d8 fs/kernfs/dir.c:1377
lr : kernfs_get fs/kernfs/dir.c:504 [inline]
lr : __kernfs_remove+0x6f4/0x7d8 fs/kernfs/dir.c:1377
sp : ffff80001660b8a0
x29: ffff80001660b8d0 x28: ffff80000cee8161 x27: 0000000080000001
x26: ffff0000c0011a00 x25: ffff80000d30c000 x24: ffff0001165b4c78
x23: ffff0001165b4238 x22: 0000000000000000 x21: ffff0001165b4c78
x20: ffff0001165b4c78 x19: ffff8000086f7744 x18: 00000000000001dc
x17: ffff8001f1d7d000 x16: ffff80000db49158 x15: ffff000110599a80
x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000040000
x11: 000000000001267a x10: ffff80001bcf8000 x9 : ffff8000086f70dc
x8 : 000000000001267b x7 : ffff8000095d331c x6 : 0000000000000000
x5 : 0000000080180002 x4 : fffffc0004596d20 x3 : 0000000080180002
x2 : ffff0001165b4c78 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 kernfs_get fs/kernfs/dir.c:504 [inline]
 __kernfs_remove+0x6f4/0x7d8 fs/kernfs/dir.c:1377
 kernfs_remove_by_name_ns+0x68/0xb8 fs/kernfs/dir.c:1589
 kernfs_remove_by_name include/linux/kernfs.h:615 [inline]
 sysfs_remove_link+0x40/0x50 fs/sysfs/symlink.c:152
 sysfs_slab_add+0x70/0x274 mm/slub.c:5955
 __kmem_cache_create+0x60/0x118 mm/slub.c:4906
 create_cache mm/slab_common.c:229 [inline]
 kmem_cache_create_usercopy+0x19c/0x31c mm/slab_common.c:335
 p9_client_create+0x618/0x758 net/9p/client.c:993
 v9fs_session_init+0xa4/0x9f0 fs/9p/v9fs.c:408
 v9fs_mount+0x6c/0x568 fs/9p/vfs_super.c:126
 legacy_get_tree+0x30/0x74 fs/fs_context.c:610
 vfs_get_tree+0x40/0x140 fs/super.c:1530
 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040
 path_mount+0x358/0x914 fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount fs/namespace.c:3568 [inline]
 __arm64_sys_mount+0x2c4/0x3c4 fs/namespace.c:3568
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
irq event stamp: 1098
hardirqs last  enabled at (1097): [<ffff80000bfb8138>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (1097): [<ffff80000bfb8138>] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (1098): [<ffff80000bfb5fbc>] el1_dbg+0x24/0x5c arch/arm64/kernel/entry-common.c:404
softirqs last  enabled at (244): [<ffff80000801c33c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (242): [<ffff80000801c308>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---