------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff888059c680d8, owner = 0x0, curr 0xffff888028d28000, list empty WARNING: CPU: 0 PID: 5361 at kernel/locking/rwsem.c:1370 __up_write kernel/locking/rwsem.c:1369 [inline] WARNING: CPU: 0 PID: 5361 at kernel/locking/rwsem.c:1370 up_write+0x502/0x590 kernel/locking/rwsem.c:1632 Modules linked in: CPU: 0 UID: 0 PID: 5361 Comm: syz.2.18 Not tainted 6.11.0-rc4-syzkaller-00135-gaa0743a22936 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:__up_write kernel/locking/rwsem.c:1369 [inline] RIP: 0010:up_write+0x502/0x590 kernel/locking/rwsem.c:1632 Code: c7 c7 a0 c8 ea 8b 48 c7 c6 20 cb ea 8b 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 63 9b e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6a fd ff ff 48 c7 c1 80 f7 f6 8f 80 e1 07 80 c1 03 RSP: 0018:ffffc900041a7bc0 EFLAGS: 00010296 RAX: ce1e47ce3bf11a00 RBX: ffffffff8beac980 RCX: 0000000000040000 RDX: ffffc9000a5dd000 RSI: 0000000000010fc4 RDI: 0000000000010fc5 RBP: ffffc900041a7c90 R08: ffffffff8155b3f2 R09: 1ffff92000834f18 R10: dffffc0000000000 R11: fffff52000834f19 R12: 0000000000000000 R13: ffff888059c680d8 R14: 1ffff92000834f80 R15: dffffc0000000000 FS: 00007fb80f86e6c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055cb0de34ee8 CR3: 000000001d7dc000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_unlock include/linux/fs.h:804 [inline] vfs_utimes+0x4c2/0x770 fs/utimes.c:68 do_utimes_path fs/utimes.c:99 [inline] do_utimes fs/utimes.c:145 [inline] __do_sys_utime fs/utimes.c:226 [inline] __se_sys_utime+0x1de/0x2e0 fs/utimes.c:215 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: 0033:0x7fb80eb79e79 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:00007fb80f86e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000084 RAX: ffffffffffffffda RBX: 00007fb80ed16058 RCX: 00007fb80eb79e79 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140 RBP: 00007fb80ebe793e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fb80ed16058 R15: 00007ffcb0180b18