------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff888044da94e8, owner = 0x0, curr 0xffff888000f5a440, list empty WARNING: CPU: 0 PID: 5358 at kernel/locking/rwsem.c:1366 __up_write kernel/locking/rwsem.c:1365 [inline] WARNING: CPU: 0 PID: 5358 at kernel/locking/rwsem.c:1366 up_write+0x3a2/0x420 kernel/locking/rwsem.c:1628 Modules linked in: CPU: 0 UID: 0 PID: 5358 Comm: syz.0.0 Not tainted 6.16.0-syzkaller-11241-g186f3edfdd41 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__up_write kernel/locking/rwsem.c:1365 [inline] RIP: 0010:up_write+0x3a2/0x420 kernel/locking/rwsem.c:1628 Code: d0 48 c7 c7 20 eb 8a 8b 48 c7 c6 40 ed 8a 8b 48 8b 14 24 4c 89 f1 4d 89 e0 4c 8b 4c 24 08 41 52 e8 33 58 e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6d fd ff ff 48 c7 c1 74 76 a3 8f 80 e1 07 80 c1 03 RSP: 0018:ffffc9000d487db0 EFLAGS: 00010292 RAX: 4546a68e84271700 RBX: ffff888044da94e8 RCX: ffff888000f5a440 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: 0000000000000000 R13: ffff888044da9540 R14: ffff888044da94e8 R15: 1ffff110089b529e FS: 00007fe7d3baa6c0(0000) GS:ffff88808d21f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe7d3ba9fc8 CR3: 0000000043699000 CR4: 0000000000352ef0 Call Trace: inode_unlock include/linux/fs.h:879 [inline] done_path_create fs/namei.c:4177 [inline] do_symlinkat+0x1f1/0x3f0 fs/namei.c:4758 __do_sys_symlink fs/namei.c:4777 [inline] __se_sys_symlink fs/namei.c:4775 [inline] __x64_sys_symlink+0x7a/0x90 fs/namei.c:4775 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe7d2d8eb69 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:00007fe7d3baa038 EFLAGS: 00000246 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 00007fe7d2fb6160 RCX: 00007fe7d2d8eb69 RDX: 0000000000000000 RSI: 00002000000004c0 RDI: 0000200000000380 RBP: 00007fe7d2e11df1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe7d2fb6160 R15: 00007ffe4d326958