syzbot

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DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem)): count = 0x1, magic = 0xffff888072d9be30, owner = 0xffff88807b37ba80, curr 0xffff88807b379d40, list empty
WARNING: CPU: 0 PID: 5102 at kernel/locking/rwsem.c:1336 __up_read+0x5ff/0x690 kernel/locking/rwsem.c:1336
Modules linked in:
CPU: 0 PID: 5102 Comm: syz-executor842 Not tainted 6.2.0-rc2-syzkaller-00203-g1f5abbd77e2c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:__up_read+0x5ff/0x690 kernel/locking/rwsem.c:1336
Code: 44 d8 48 c7 c7 00 ad ed 8a 48 c7 c6 a0 ad ed 8a 48 8b 54 24 20 4c 89 f1 4d 89 f8 4d 89 e9 31 c0 53 e8 25 5f e8 ff 48 83 c4 08 <0f> 0b 48 bb 00 00 00 00 00 fc ff df 4c 8b 6c 24 18 e9 53 fb ff ff
RSP: 0018:ffffc90003d3fa60 EFLAGS: 00010296
RAX: 229bc45b5a02af00 RBX: ffffffff8aedade0 RCX: ffff88807b379d40
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90003d3fb38 R08: ffffffff816f2c9d R09: fffff520007a7f05
R10: fffff520007a7f05 R11: 1ffff920007a7f04 R12: ffff888072d9be88
R13: ffff88807b379d40 R14: ffff888072d9be30 R15: ffff88807b37ba80
FS:  00007fefc9bfc700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555735f808 CR3: 000000001db36000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_unlock_shared include/linux/fs.h:771 [inline]
 lookup_slow+0x5e/0x70 fs/namei.c:1703
 walk_component+0x2e1/0x410 fs/namei.c:1993
 lookup_last fs/namei.c:2450 [inline]
 path_lookupat+0x17d/0x450 fs/namei.c:2474
 filename_lookup+0x274/0x650 fs/namei.c:2503
 user_path_at_empty+0x40/0x1a0 fs/namei.c:2876
 user_path_at include/linux/namei.h:57 [inline]
 __do_sys_chdir fs/open.c:514 [inline]
 __se_sys_chdir+0xb8/0x210 fs/open.c:508
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff0d5e72149
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 15 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fefc9bfc1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000050
RAX: ffffffffffffffda RBX: 000000000000003e RCX: 00007ff0d5e72149
RDX: 00007ff0d5e72149 RSI: ffffffffffffffb8 RDI: 0000000020000380
RBP: 00007ff0d5f16790 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff0d5f1679c
R13: 00007ffca8b2947f R14: 00007fefc9bfc300 R15: 0000000000022000
 </TASK>