------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem)): count = 0x0, magic = 0xffff888060cb8330, owner = 0x0, curr 0xffff8880260e0000, list empty
WARNING: CPU: 1 PID: 4253 at kernel/locking/rwsem.c:1323 __up_read+0x5fe/0x690 kernel/locking/rwsem.c:1323
Modules linked in:
CPU: 0 PID: 4253 Comm: syz.1.2 Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__up_read+0x5fe/0x690 kernel/locking/rwsem.c:1323
Code: ab 8a 48 0f 44 c1 48 c7 c7 e0 1e ab 8a 48 c7 c6 80 1f ab 8a 4c 89 fa 4c 89 f1 49 89 d8 4d 89 e9 50 e8 d6 0b ea ff 48 83 c4 08 <0f> 0b 48 bb 00 00 00 00 00 fc ff df 4c 8b 2c 24 e9 4e fb ff ff 48
RSP: 0018:ffffc9000325f820 EFLAGS: 00010292
RAX: 3a5550b92cd5be00 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000efee000 RSI: 00000000000085ba RDI: 00000000000085bb
RBP: ffffc9000325f8c8 R08: ffffffff8166bf6c R09: ffffed10171e67a8
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888060cb8388
R13: ffff8880260e0000 R14: ffff888060cb8330 R15: 0000000000000000
FS:  00007fac9d1bc6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff6c027288 CR3: 00000000600c6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_unlock_shared include/linux/fs.h:802 [inline]
 lookup_slow+0x5e/0x70 fs/namei.c:1681
 walk_component+0x48c/0x610 fs/namei.c:1976
 lookup_last fs/namei.c:2431 [inline]
 path_lookupat+0x16f/0x450 fs/namei.c:2455
 filename_lookup+0x230/0x5c0 fs/namei.c:2484
 user_path_at_empty+0x40/0x180 fs/namei.c:2883
 user_path_at include/linux/namei.h:57 [inline]
 vfs_statx+0x106/0x3b0 fs/stat.c:221
 do_statx fs/stat.c:615 [inline]
 __do_sys_statx fs/stat.c:638 [inline]
 __se_sys_statx fs/stat.c:633 [inline]
 __x64_sys_statx+0x17c/0x200 fs/stat.c:633
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fac9f374169
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fac9d1bc038 EFLAGS: 00000246 ORIG_RAX: 000000000000014c
RAX: ffffffffffffffda RBX: 00007fac9f58d080 RCX: 00007fac9f374169
RDX: 0000000000001000 RSI: 0000200000000180 RDI: ffffffffffffff9c
RBP: 00007fac9f3f5990 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fac9f58d080 R15: 00007ffec850a958
 </TASK>