[v5.15] WARNING in do_mkdirat

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 4af60700a60c Linux 5.15.119
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=10e5d63ca80000
kernel config: https://syzkaller.appspot.com/x/.config?x=4b624340cc42ea35
dashboard link: https://syzkaller.appspot.com/bug?extid=6cd29b19d3109c39bb93
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: arm64

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/f79bf1ffabff/disk-4af60700.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/2cfd8bf3781d/vmlinux-4af60700.xz
kernel image: https://storage.googleapis.com/syzbot-assets/50da09afd9ea/Image-4af60700.gz.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+6cd29b...@syzkaller.appspotmail.com

------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff00011c016a70, owner = 0x0, curr 0xffff0000d9b151c0, list empty
WARNING: CPU: 1 PID: 7142 at kernel/locking/rwsem.c:1342 __up_write kernel/locking/rwsem.c:1341 [inline]
WARNING: CPU: 1 PID: 7142 at kernel/locking/rwsem.c:1342 up_write+0x384/0x438 kernel/locking/rwsem.c:1594
Modules linked in:
CPU: 1 PID: 7142 Comm: syz-executor.4 Not tainted 5.15.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __up_write kernel/locking/rwsem.c:1341 [inline]
pc : up_write+0x384/0x438 kernel/locking/rwsem.c:1594
lr : __up_write kernel/locking/rwsem.c:1341 [inline]
lr : up_write+0x384/0x438 kernel/locking/rwsem.c:1594
sp : ffff80001d587be0
x29: ffff80001d587bf0 x28: 1ffff00003ab0f91 x27: dfff800000000000
x26: dfff800000000000 x25: 1fffe00023802d5b x24: ffff00011c016ac8
x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000d9b151c0
x20: ffff00011c016a70 x19: ffff00011c016a70 x18: 1fffe0003690338e
x17: 1fffe0003690338e x16: ffff800011959e9c x15: ffff80001498f100
x14: 1ffff0000291e06a x13: ffffffffffffffff x12: 0000000000040000
x11: 0000000000032253 x10: ffff80002340b000 x9 : 14e0bcbc44490700
x8 : 14e0bcbc44490700 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a956020
x2 : ffff0001b4819d10 x1 : 0000000100000000 x0 : 00000000000000bd
Call trace:
__up_write kernel/locking/rwsem.c:1341 [inline]
up_write+0x384/0x438 kernel/locking/rwsem.c:1594
inode_unlock include/linux/fs.h:792 [inline]
done_path_create fs/namei.c:3815 [inline]
do_mkdirat+0x258/0x610 fs/namei.c:4022
__do_sys_mkdirat fs/namei.c:4034 [inline]
__se_sys_mkdirat fs/namei.c:4032 [inline]
__arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4032
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 580
hardirqs last enabled at (579): [<ffff800008268d0c>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline]
hardirqs last enabled at (579): [<ffff800008268d0c>] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:4780
hardirqs last disabled at (580): [<ffff800011955530>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387
softirqs last enabled at (574): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last enabled at (574): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587
softirqs last disabled at (469): [<ffff8000081b573c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (469): [<ffff8000081b573c>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (469): [<ffff8000081b573c>] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636
---[ end trace 3e138d756f0c332d ]---


---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.

syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.

If the bug is already fixed, let syzbot know by replying with:
#syz fix: exact-commit-title

If you want to change bug's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)

If the bug is a duplicate of another bug, reply with:
#syz dup: exact-subject-of-another-report

If you want to undo deduplication, reply with:
#syz undup