------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff88823bd8cc50, owner = 0x0, curr 0xffff88802fbf8000, list empty WARNING: CPU: 1 PID: 20263 at kernel/locking/rwsem.c:1370 __up_write kernel/locking/rwsem.c:1369 [inline] WARNING: CPU: 1 PID: 20263 at kernel/locking/rwsem.c:1370 up_write+0x4f4/0x580 kernel/locking/rwsem.c:1626 Modules linked in: CPU: 1 PID: 20263 Comm: syz-executor.5 Not tainted 6.3.0-rc2-syzkaller-00387-g534293368afa #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:__up_write kernel/locking/rwsem.c:1369 [inline] RIP: 0010:up_write+0x4f4/0x580 kernel/locking/rwsem.c:1626 Code: 48 c7 c7 a0 71 ea 8a 48 c7 c6 e0 73 ea 8a 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 00 ef e8 ff 48 83 c4 08 <0f> 0b e9 75 fd ff ff 48 c7 c1 a8 b0 53 8e 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc90004bf7d60 EFLAGS: 00010296 RAX: 043b1f4177fe3e00 RBX: ffffffff8aea7280 RCX: 0000000000040000 RDX: ffffc9000c5fa000 RSI: 0000000000025cae RDI: 0000000000025caf RBP: ffffc90004bf7e30 R08: ffffffff81527d42 R09: fffff5200097ef65 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffff88823bd8cc50 R14: 1ffff9200097efb4 R15: dffffc0000000000 FS: 00007f774b5df700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 0000000029c36000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_unlock include/linux/fs.h:763 [inline] done_path_create fs/namei.c:3858 [inline] do_mkdirat+0x2c6/0x520 fs/namei.c:4064 __do_sys_mkdir fs/namei.c:4081 [inline] __se_sys_mkdir fs/namei.c:4079 [inline] __x64_sys_mkdir+0x6e/0x80 fs/namei.c:4079 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f774a88c0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f774b5df168 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f774a9ac050 RCX: 00007f774a88c0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200002c0 RBP: 00007f774a8e7b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffdc4ed6bf R14: 00007f774b5df300 R15: 0000000000022000