------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff888059380e38, owner = 0x0, curr 0xffff88805821da00, list empty WARNING: CPU: 0 PID: 8987 at kernel/locking/rwsem.c:1368 __up_write kernel/locking/rwsem.c:1367 [inline] WARNING: CPU: 0 PID: 8987 at kernel/locking/rwsem.c:1368 up_write+0x502/0x590 kernel/locking/rwsem.c:1630 Modules linked in: CPU: 0 UID: 0 PID: 8987 Comm: syz.2.1021 Not tainted 6.12.0-rc2-syzkaller-00058-g75b607fab38d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__up_write kernel/locking/rwsem.c:1367 [inline] RIP: 0010:up_write+0x502/0x590 kernel/locking/rwsem.c:1630 Code: c7 c7 00 be 0a 8c 48 c7 c6 80 c0 0a 8c 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 53 43 e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6a fd ff ff 48 c7 c1 80 20 1d 90 80 e1 07 80 c1 03 RSP: 0018:ffffc9000efe7b20 EFLAGS: 00010292 RAX: 83f9d64ac8075200 RBX: ffffffff8c0abee0 RCX: 0000000000040000 RDX: ffffc9000f7ad000 RSI: 000000000000b840 RDI: 000000000000b841 RBP: ffffc9000efe7c00 R08: ffffffff8155e402 R09: 1ffff92001dfcf00 R10: dffffc0000000000 R11: fffff52001dfcf01 R12: 0000000000000000 R13: ffff888059380e38 R14: 1ffff92001dfcf6c R15: dffffc0000000000 FS: 00007fbfb8dff6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31e09ff8 CR3: 000000006b3ee000 CR4: 0000000000350ef0 Call Trace: inode_unlock include/linux/fs.h:820 [inline] vfs_set_acl+0x9c8/0xa60 fs/posix_acl.c:1143 do_setxattr fs/xattr.c:626 [inline] path_setxattr+0x3bd/0x4d0 fs/xattr.c:658 __do_sys_setxattr fs/xattr.c:676 [inline] __se_sys_setxattr fs/xattr.c:672 [inline] __x64_sys_setxattr+0xbb/0xd0 fs/xattr.c:672 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbfb937dff9 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:00007fbfb8dff038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc RAX: ffffffffffffffda RBX: 00007fbfb9536058 RCX: 00007fbfb937dff9 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000020000100 RBP: 00007fbfb93f0296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fbfb9536058 R15: 00007ffc2e963bd8