------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff8880587b5450, owner = 0x0, curr 0xffff88805c0fd940, list empty WARNING: CPU: 0 PID: 4383 at kernel/locking/rwsem.c:1350 __up_write kernel/locking/rwsem.c:1349 [inline] WARNING: CPU: 0 PID: 4383 at kernel/locking/rwsem.c:1350 up_write+0x3a1/0x420 kernel/locking/rwsem.c:1604 Modules linked in: CPU: 0 PID: 4383 Comm: syz.1.23 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:__up_write kernel/locking/rwsem.c:1349 [inline] RIP: 0010:up_write+0x3a1/0x420 kernel/locking/rwsem.c:1604 Code: 44 d0 48 c7 c7 80 1b 2b 8a 48 c7 c6 40 1e 2b 8a 48 8b 14 24 4c 89 f1 4d 89 e0 4c 8b 4c 24 08 41 52 e8 73 6e 55 08 48 83 c4 08 <0f> 0b e9 6b fd ff ff 48 c7 c1 c8 23 8a 8d 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc9000341fdb0 EFLAGS: 00010292 RAX: 0f9c060e6b932400 RBX: ffff8880587b5450 RCX: ffff88805c0fd940 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffff8880b9033d7f R09: 1ffff110172067af R10: dffffc0000000000 R11: ffffed10172067b0 R12: 0000000000000000 R13: ffff8880587b54a8 R14: ffff8880587b5450 R15: 1ffff1100b0f6a8b FS: 00007ff5af1e76c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8f1d45ca08 CR3: 000000005be57000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_unlock include/linux/fs.h:792 [inline] do_rmdir+0x2d7/0x740 fs/namei.c:4222 __do_sys_unlinkat fs/namei.c:4398 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __x64_sys_unlinkat+0xc0/0xe0 fs/namei.c:4392 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7ff5afba6dd9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff5af1e7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 00007ff5afe20090 RCX: 00007ff5afba6dd9 RDX: 0000000000000200 RSI: 0000200000000000 RDI: ffffffffffffff9c RBP: 00007ff5afc3cd69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff5afe20128 R14: 00007ff5afe20090 R15: 00007fffd353e0f8