------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff8880597080f0, owner = 0x0, curr 0xffff888027849e00, list empty WARNING: CPU: 0 PID: 9881 at kernel/locking/rwsem.c:1370 __up_write kernel/locking/rwsem.c:1369 [inline] WARNING: CPU: 0 PID: 9881 at kernel/locking/rwsem.c:1370 up_write+0x393/0x410 kernel/locking/rwsem.c:1626 Modules linked in: CPU: 0 PID: 9881 Comm: syz.6.1475 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:__up_write kernel/locking/rwsem.c:1369 [inline] RIP: 0010:up_write+0x393/0x410 kernel/locking/rwsem.c:1626 Code: 44 d0 48 c7 c7 40 b0 aa 8a 48 c7 c6 80 b2 aa 8a 48 8b 14 24 4c 89 f1 4d 89 e0 4c 8b 4c 24 08 41 52 e8 e1 97 e9 ff 48 83 c4 08 <0f> 0b e9 7d fd ff ff 48 c7 c1 60 c6 4a 8e 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc900054e7b90 EFLAGS: 00010296 RAX: 0e6338d637a69200 RBX: ffff8880597080f0 RCX: 0000000000080000 RDX: ffffc90015fa4000 RSI: 00000000000181a9 RDI: 00000000000181aa RBP: dffffc0000000000 R08: ffffc900054e7787 R09: 1ffff92000a9cef0 R10: dffffc0000000000 R11: fffff52000a9cef1 R12: 0000000000000000 R13: ffff888059708148 R14: ffff8880597080f0 R15: 1ffff1100b2e101f FS: 00007fbdc79b16c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c353d10 CR3: 000000007b1dc000 CR4: 00000000003506f0 Call Trace: inode_unlock include/linux/fs.h:809 [inline] vfs_setxattr+0x17b/0x2f0 fs/xattr.c:324 do_setxattr fs/xattr.c:630 [inline] path_setxattr+0x362/0x550 fs/xattr.c:659 __do_sys_setxattr fs/xattr.c:677 [inline] __se_sys_setxattr fs/xattr.c:673 [inline] __x64_sys_setxattr+0xbb/0xd0 fs/xattr.c:673 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fbdc6b8eec9 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:00007fbdc79b1038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc RAX: ffffffffffffffda RBX: 00007fbdc6de6090 RCX: 00007fbdc6b8eec9 RDX: 00002000000001c0 RSI: 0000200000000100 RDI: 00002000000000c0 RBP: 00007fbdc6c11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fbdc6de6128 R14: 00007fbdc6de6090 R15: 00007ffd9774af68