------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem)): count = 0x0, magic = 0xffff888052831b98, owner = 0x0, curr 0xffff888000f1a440, list empty
WARNING: CPU: 0 PID: 5330 at kernel/locking/rwsem.c:1341 __up_read+0x5f5/0x680 kernel/locking/rwsem.c:1341
Modules linked in:
CPU: 0 UID: 0 PID: 5330 Comm: syz.0.0 Not tainted 6.15.0-syzkaller-08486-gf66bc387efbe #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_read+0x5f5/0x680 kernel/locking/rwsem.c:1341
Code: 44 d0 48 c7 c7 c0 e9 8a 8b 48 c7 c6 60 ea 8a 8b 4c 89 ea 48 8b 4c 24 08 4d 89 e0 4d 89 f1 41 52 e8 00 5b e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 72 fb ff ff 48 c7 c1 34 d4 a0 8f 80 e1 07 80 c1 03
RSP: 0018:ffffc9000d5af900 EFLAGS: 00010296
RAX: 6d3cb21de6555500 RBX: ffff888052831b98 RCX: ffff888000f1a440
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc9000d5af9b8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa664 R12: 0000000000000000
R13: 0000000000000000 R14: ffff888000f1a440 R15: ffff888052831bf0
FS:  00007f82192696c0(0000) GS:ffff88808d263000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efcad84f000 CR3: 0000000043b5d000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_unlock_shared include/linux/fs.h:892 [inline]
 lookup_slow+0x5e/0x70 fs/namei.c:1835
 walk_component fs/namei.c:2138 [inline]
 link_path_walk+0x935/0xea0 fs/namei.c:2506
 path_parentat fs/namei.c:2710 [inline]
 __filename_parentat+0x246/0x670 fs/namei.c:2734
 filename_parentat fs/namei.c:2752 [inline]
 do_renameat2+0x255/0xc50 fs/namei.c:5200
 __do_sys_renameat2 fs/namei.c:5311 [inline]
 __se_sys_renameat2 fs/namei.c:5308 [inline]
 __x64_sys_renameat2+0xce/0xe0 fs/namei.c:5308
 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: 0033:0x7f821838e969
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:00007f8219269038 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
RAX: ffffffffffffffda RBX: 00007f82185b6160 RCX: 00007f821838e969
RDX: ffffffffffffff9c RSI: 0000200000000580 RDI: ffffffffffffff9c
RBP: 00007f8218410ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 00002000000005c0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f82185b6160 R15: 00007fffca4d0ac8
 </TASK>