DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff88805ecb8330, owner = 0x0, curr 0xffff888062cb8000, list empty WARNING: CPU: 0 PID: 4365 at kernel/locking/rwsem.c:1350 __up_write kernel/locking/rwsem.c:1349 [inline] WARNING: CPU: 0 PID: 4365 at kernel/locking/rwsem.c:1350 up_write+0x3a1/0x420 kernel/locking/rwsem.c:1604 Modules linked in: CPU: 0 PID: 4365 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 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 40 09 0b 8a 48 c7 c6 00 0c 0b 8a 48 8b 14 24 4c 89 f1 4d 89 e0 4c 8b 4c 24 08 41 52 e8 33 15 42 08 48 83 c4 08 <0f> 0b e9 6b fd ff ff 48 c7 c1 48 a2 69 8d 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc9000335fdd0 EFLAGS: 00010292 RAX: 86bfb5e6fe074300 RBX: ffff88805ecb8330 RCX: 0000000000080000 RDX: ffffc90003421000 RSI: 00000000000118b5 RDI: 00000000000118b6 RBP: dffffc0000000000 R08: dffffc0000000000 R09: ffffed10172067a8 R10: ffffed10172067a8 R11: 1ffff110172067a7 R12: 0000000000000000 R13: ffff88805ecb8388 R14: ffff88805ecb8330 R15: 1ffff1100bd97067 FS: 00007fb33d0266c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcb6bbfcf98 CR3: 00000000742e0000 CR4: 00000000003506e0