[v6.1] WARNING in vfs_setxattr

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: bf1e3b1cb1e0 Linux 6.1.85
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=13a6e961180000
kernel config: https://syzkaller.appspot.com/x/.config?x=c45aa0208e0ade9
dashboard link: https://syzkaller.appspot.com/bug?extid=0a6d97bf52d6fb2e9bbe
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm64

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

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/b5845a33eff1/disk-bf1e3b1c.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/78ce74185067/vmlinux-bf1e3b1c.xz
kernel image: https://storage.googleapis.com/syzbot-assets/b63c759797bf/Image-bf1e3b1c.gz.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+0a6d97...@syzkaller.appspotmail.com

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DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000f832cac8, owner = 0x0, curr 0xffff0000cf87b780, list empty
WARNING: CPU: 0 PID: 9126 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline]
WARNING: CPU: 0 PID: 9126 at kernel/locking/rwsem.c:1372 up_write+0x5c4/0x76c kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 0 PID: 9126 Comm: syz-executor.1 Not tainted 6.1.85-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __up_write kernel/locking/rwsem.c:1371 [inline]
pc : up_write+0x5c4/0x76c kernel/locking/rwsem.c:1626
lr : __up_write kernel/locking/rwsem.c:1371 [inline]
lr : up_write+0x5c4/0x76c kernel/locking/rwsem.c:1626
sp : ffff800021a57880
x29: ffff800021a57900 x28: 0000000000000000 x27: 1fffe0001f065966
x26: dfff800000000000 x25: 1fffe0001f06595a x24: ffff0000f832cb20
x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000cf87b780
x20: ffff0000f832cac8 x19: ffff0000f832cac8 x18: 1fffe0003686b776
x17: ffff80001583d000 x16: ffff800008305ec4 x15: ffff0001b435bbbc
x14: 1ffff00002b080b0 x13: dfff800000000000 x12: 0000000000000003
x11: 0000000000ff0100 x10: 0000000000000003 x9 : 06c125bf2759cd00
x8 : 06c125bf2759cd00 x7 : ffff80000827c8d4 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000007 x1 : ffff8000122ac6e0 x0 : ffff80019ebc9000
Call trace:
__up_write kernel/locking/rwsem.c:1371 [inline]
up_write+0x5c4/0x76c kernel/locking/rwsem.c:1626
inode_unlock include/linux/fs.h:763 [inline]
vfs_setxattr+0x1b4/0x344 fs/xattr.c:311
do_setxattr fs/xattr.c:594 [inline]
setxattr+0x230/0x294 fs/xattr.c:617
path_setxattr+0x17c/0x258 fs/xattr.c:636
__do_sys_setxattr fs/xattr.c:652 [inline]
__se_sys_setxattr fs/xattr.c:648 [inline]
__arm64_sys_setxattr+0xbc/0xd8 fs/xattr.c:648
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 188
hardirqs last enabled at (187): [<ffff80000827c974>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1366 [inline]
hardirqs last enabled at (187): [<ffff80000827c974>] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5004
hardirqs last disabled at (188): [<ffff80001214e88c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last enabled at (170): [<ffff800008020d7c>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last enabled at (170): [<ffff800008020d7c>] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600
softirqs last disabled at (153): [<ffff80000802a99c>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
---[ end trace 0000000000000000 ]---


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