------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem)): count = 0x0, magic = 0xffff88808661af70, owner = 0x0, curr 0xffff888020811d40, list empty WARNING: CPU: 0 PID: 15386 at kernel/locking/rwsem.c:1343 __up_read+0x5f4/0x750 kernel/locking/rwsem.c:1343 Modules linked in: CPU: 0 PID: 15386 Comm: syz-executor.1 Not tainted 6.3.0-rc5-syzkaller-00005-g148341f0a2f5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:__up_read+0x5f4/0x750 kernel/locking/rwsem.c:1343 Code: 03 80 3c 02 00 0f 85 35 01 00 00 49 8b 17 4d 89 f1 4c 89 e9 48 c7 c6 e0 52 4c 8a ff 34 24 48 c7 c7 00 51 4c 8a e8 dc 20 e8 ff <0f> 0b 5e e9 04 fb ff ff 48 c7 c7 2c 8d 77 8e 48 89 04 24 e8 14 a7 RSP: 0018:ffffc90015237b18 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffffff8e778d2c RCX: ffffc9000c5fa000 RDX: 0000000000040000 RSI: ffffffff814b5fe7 RDI: 0000000000000001 RBP: ffff88808661af78 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff92002a46f67 R13: ffff88808661af70 R14: ffff888020811d40 R15: ffff88808661af70 FS: 00007f8ccb077700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc9ae50e803 CR3: 0000000021738000 CR4: 0000000000350ef0 Call Trace: inode_unlock_shared include/linux/fs.h:773 [inline] lookup_slow fs/namei.c:1704 [inline] walk_component+0x34a/0x5a0 fs/namei.c:1994 lookup_last fs/namei.c:2451 [inline] path_lookupat+0x1ba/0x840 fs/namei.c:2475 filename_lookup+0x1d2/0x590 fs/namei.c:2504 user_path_at_empty+0x46/0x60 fs/namei.c:2877 user_path_at include/linux/namei.h:57 [inline] path_setxattr+0x92/0x1c0 fs/xattr.c:646 __do_sys_setxattr fs/xattr.c:667 [inline] __se_sys_setxattr fs/xattr.c:663 [inline] __x64_sys_setxattr+0xc4/0x160 fs/xattr.c:663 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f8cca28c169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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:00007f8ccb077168 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc RAX: ffffffffffffffda RBX: 00007f8cca3ac1f0 RCX: 00007f8cca28c169 RDX: 00000000200003c0 RSI: 0000000020000400 RDI: 0000000020000340 RBP: 00007f8cca2e7ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000e407 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd94b8505f R14: 00007f8ccb077300 R15: 0000000000022000