------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff888043bb0e38, owner = 0x0, curr 0xffff888000f3a440, list empty WARNING: CPU: 0 PID: 5320 at kernel/locking/rwsem.c:1368 __up_write kernel/locking/rwsem.c:1367 [inline] WARNING: CPU: 0 PID: 5320 at kernel/locking/rwsem.c:1368 up_write+0x3a2/0x420 kernel/locking/rwsem.c:1630 Modules linked in: CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__up_write kernel/locking/rwsem.c:1367 [inline] RIP: 0010:up_write+0x3a2/0x420 kernel/locking/rwsem.c:1630 Code: d0 48 c7 c7 c0 e9 8a 8b 48 c7 c6 e0 eb 8a 8b 48 8b 14 24 4c 89 f1 4d 89 e0 4c 8b 4c 24 08 41 52 e8 83 69 e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6d fd ff ff 48 c7 c1 34 e7 a0 8f 80 e1 07 80 c1 03 RSP: 0018:ffffc9000d61fa50 EFLAGS: 00010296 RAX: e72477119d72f200 RBX: ffff888043bb0e38 RCX: ffff888000f3a440 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa66c R12: 0000000000000000 R13: ffff888043bb0e90 R14: ffff888043bb0e38 R15: 1ffff110087761c8 FS: 00007fb67bbae6c0(0000) GS:ffff88808d264000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000003ec7b000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_unlock include/linux/fs.h:877 [inline] vfs_setxattr+0x17a/0x2f0 fs/xattr.c:323 do_setxattr fs/xattr.c:636 [inline] filename_setxattr+0x274/0x600 fs/xattr.c:665 path_setxattrat+0x364/0x3a0 fs/xattr.c:713 __do_sys_setxattr fs/xattr.c:747 [inline] __se_sys_setxattr fs/xattr.c:743 [inline] __x64_sys_setxattr+0xbc/0xe0 fs/xattr.c:743 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb67ad8e969 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:00007fb67bbae038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc RAX: ffffffffffffffda RBX: 00007fb67afb6160 RCX: 00007fb67ad8e969 RDX: 0000200000000100 RSI: 0000200000000040 RDI: 00002000000003c0 RBP: 00007fb67ae10ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000000000a6 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fb67afb6160 R15: 00007ffd73ac6e88