DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem)): count = 0x0, magic = 0xffff888061e0f1d0, owner = 0x0, curr 0xffff88801df28000, list empty
WARNING: CPU: 0 PID: 4401 at kernel/locking/rwsem.c:1323 __up_read+0x5fe/0x690 kernel/locking/rwsem.c:1323
Modules linked in:
CPU: 0 PID: 4401 Comm: syz.3.238 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__up_read+0x5fe/0x690 kernel/locking/rwsem.c:1323
Code: 8b 8a 48 0f 44 c1 48 c7 c7 80 1e 8b 8a 48 c7 c6 20 1f 8b 8a 4c 89 fa 4c 89 f1 49 89 d8 4d 89 e9 50 e8 f6 12 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:ffffc900034579a0 EFLAGS: 00010296
RAX: b2c1af540c215700 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000ae32000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc90003457a48 R08: ffffffff81668a3c R09: ffffed10172067a8
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888061e0f228
R13: ffff88801df28000 R14: ffff888061e0f1d0 R15: 0000000000000000
FS:  00007fac703986c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd25c068218 CR3: 0000000022a5f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_unlock_shared include/linux/fs.h:804 [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]
 path_setxattr+0xae/0x2a0 fs/xattr.c:625
 __do_sys_setxattr fs/xattr.c:646 [inline]
 __se_sys_setxattr fs/xattr.c:642 [inline]
 __x64_sys_setxattr+0xb7/0xd0 fs/xattr.c:642
 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: 0033:0x7fac71f61ff9
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:00007fac70398038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007fac7211a130 RCX: 00007fac71f61ff9
RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000020000340
RBP: 00007fac71fd4296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fac7211a130 R15: 00007ffe3386e118
 </TASK>