[moderation] [fs?] WARNING in vfs_utimes (2)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: c942a0cd3603 Merge tag 'for_linus' of git://git.kernel.org..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=10f887d8980000
kernel config: https://syzkaller.appspot.com/x/.config?x=5a05c230e142f2bc
dashboard link: https://syzkaller.appspot.com/bug?extid=5b8c8b3f1e91fe1406f4
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
CC: [bra...@kernel.org ja...@suse.cz linux-...@vger.kernel.org linux-...@vger.kernel.org vi...@zeniv.linux.org.uk]

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

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/8aa391c14776/disk-c942a0cd.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/7c1b6b431abf/vmlinux-c942a0cd.xz
kernel image: https://storage.googleapis.com/syzbot-assets/3c8c420fe3b1/bzImage-c942a0cd.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+5b8c8b...@syzkaller.appspotmail.com

DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff88805a404ac8, owner = 0x0, curr 0xffff88801cf39e00, list empty
WARNING: CPU: 1 PID: 5294 at kernel/locking/rwsem.c:1370 __up_write kernel/locking/rwsem.c:1369 [inline]
WARNING: CPU: 1 PID: 5294 at kernel/locking/rwsem.c:1370 up_write+0x502/0x590 kernel/locking/rwsem.c:1632
Modules linked in:
CPU: 1 PID: 5294 Comm: syz-executor.1 Not tainted 6.9.0-rc5-syzkaller-00159-gc942a0cd3603 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__up_write kernel/locking/rwsem.c:1369 [inline]
RIP: 0010:up_write+0x502/0x590 kernel/locking/rwsem.c:1632
Code: c7 c7 20 ac ca 8b 48 c7 c6 a0 ae ca 8b 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 c3 b6 e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6a fd ff ff 48 c7 c1 f0 05 a8 8f 80 e1 07 80 c1 03
RSP: 0018:ffffc90004b77b80 EFLAGS: 00010292
RAX: e2802a8d540c8a00 RBX: ffffffff8bcaad00 RCX: 0000000000040000
RDX: ffffc90009aa9000 RSI: 000000000000c999 RDI: 000000000000c99a
RBP: ffffc90004b77c50 R08: ffffffff81587f92 R09: fffffbfff1c39b48
R10: dffffc0000000000 R11: fffffbfff1c39b48 R12: 0000000000000000
R13: ffff88805a404ac8 R14: 1ffff9200096ef78 R15: dffffc0000000000
FS: 00007f77f83156c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020002000 CR3: 000000002296a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
inode_unlock include/linux/fs.h:800 [inline]
vfs_utimes+0x4c2/0x770 fs/utimes.c:68
do_utimes_path fs/utimes.c:99 [inline]
do_utimes fs/utimes.c:145 [inline]
do_futimesat fs/utimes.c:199 [inline]
__do_sys_utimes fs/utimes.c:212 [inline]
__se_sys_utimes+0x197/0x380 fs/utimes.c:209
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f77f767dea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f77f83150c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000eb
RAX: ffffffffffffffda RBX: 00007f77f77ac050 RCX: 00007f77f767dea9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000380
RBP: 00007f77f76ca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f77f77ac050 R15: 00007fffb6e7ea68
</TASK>


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