DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff88805c900788, owner = 0x0, curr 0xffff88802e040000, list empty WARNING: CPU: 0 PID: 6048 at kernel/locking/rwsem.c:1368 __up_write kernel/locking/rwsem.c:1367 [inline] WARNING: CPU: 0 PID: 6048 at kernel/locking/rwsem.c:1368 up_write+0x502/0x590 kernel/locking/rwsem.c:1630 Modules linked in: CPU: 0 UID: 0 PID: 6048 Comm: syz.2.250 Not tainted 6.12.0-rc1-next-20241001-syzkaller #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 23 4b e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6a fd ff ff 48 c7 c1 c0 5e 1d 90 80 e1 07 80 c1 03 RSP: 0018:ffffc90016a7fd20 EFLAGS: 00010292 RAX: 148e6ec2d7057f00 RBX: ffffffff8c0abee0 RCX: 0000000000040000 RDX: ffffc900093f1000 RSI: 000000000000affb RDI: 000000000000affc RBP: ffffc90016a7fdf0 R08: ffffffff8155d412 R09: fffffbfff1cf9fd8 R10: dffffc0000000000 R11: fffffbfff1cf9fd8 R12: 0000000000000000 R13: ffff88805c900788 R14: 1ffff92002d4ffac R15: dffffc0000000000 FS: 00007f0d8fde46c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32a09ff8 CR3: 00000000601e0000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_unlock include/linux/fs.h:820 [inline] done_path_create fs/namei.c:4086 [inline] do_mknodat+0x4c5/0x5b0 fs/namei.c:4209 __do_sys_mknodat fs/namei.c:4222 [inline] __se_sys_mknodat fs/namei.c:4219 [inline] __x64_sys_mknodat+0xa7/0xc0 fs/namei.c:4219 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: 0033:0x7f0d8ef7dff9 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:00007f0d8fde4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000103 RAX: ffffffffffffffda RBX: 00007f0d8f135f80 RCX: 00007f0d8ef7dff9 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c RBP: 00007f0d8eff0296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f0d8f135f80 R15: 00007ffc8b44e3b8