------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff8880484480e0, owner = 0x0, curr 0xffff88802fee0000, list empty WARNING: CPU: 0 PID: 6259 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline] WARNING: CPU: 0 PID: 6259 at kernel/locking/rwsem.c:1372 up_write+0x3a1/0x420 kernel/locking/rwsem.c:1626 Modules linked in: CPU: 0 PID: 6259 Comm: syz.4.451 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:__up_write kernel/locking/rwsem.c:1371 [inline] RIP: 0010:up_write+0x3a1/0x420 kernel/locking/rwsem.c:1626 Code: 44 d0 48 c7 c7 80 f9 6b 8a 48 c7 c6 c0 fb 6b 8a 48 8b 14 24 4c 89 f1 4d 89 e0 4c 8b 4c 24 08 41 52 e8 b3 83 ea ff 48 83 c4 08 <0f> 0b e9 6b fd ff ff 48 c7 c1 e8 42 ff 8d 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc900037a7af0 EFLAGS: 00010296 RAX: 80e2597db3463800 RBX: ffff8880484480e0 RCX: 0000000000080000 RDX: ffffc9000ff5d000 RSI: 000000000000bf7e RDI: 000000000000bf7f RBP: dffffc0000000000 R08: dffffc0000000000 R09: fffff520006f4efd R10: fffff520006f4efd R11: 1ffff920006f4efc R12: 0000000000000000 R13: ffff888048448138 R14: ffff8880484480e0 R15: 1ffff1100908901d FS: 00007f24cbf496c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3d215bd000 CR3: 0000000073bc1000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_unlock include/linux/fs.h:763 [inline] vfs_setxattr+0x177/0x2f0 fs/xattr.c:311 do_setxattr fs/xattr.c:594 [inline] setxattr+0x2b2/0x2d0 fs/xattr.c:617 path_setxattr+0x142/0x280 fs/xattr.c:636 __do_sys_setxattr fs/xattr.c:652 [inline] __se_sys_setxattr fs/xattr.c:648 [inline] __x64_sys_setxattr+0xb7/0xd0 fs/xattr.c:648 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f24cb18f749 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:00007f24cbf49038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc RAX: ffffffffffffffda RBX: 00007f24cb3e6090 RCX: 00007f24cb18f749 RDX: 0000200000000100 RSI: 00002000000002c0 RDI: 0000200000000280 RBP: 00007f24cb213f91 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000001001 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f24cb3e6128 R14: 00007f24cb3e6090 R15: 00007ffcaa33cdb8