------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem)): count = 0x1, magic = 0xffff88802fd42810, owner = 0xffff88801a474880, curr 0xffff888021f5a440, list empty
WARNING: CPU: 2 PID: 5701 at kernel/locking/rwsem.c:1343 __up_read+0x5fb/0x760 kernel/locking/rwsem.c:1343
Modules linked in:
CPU: 2 PID: 5701 Comm: syz-executor.1 Not tainted 6.9.0-rc4-syzkaller-00266-g977b1ef51866 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__up_read+0x5fb/0x760 kernel/locking/rwsem.c:1343
Code: 3c 02 00 0f 85 c0 00 00 00 48 8b 13 41 57 4c 89 f1 48 c7 c6 80 a6 0c 8b 4c 8b 4c 24 10 48 c7 c7 20 a5 0c 8b e8 b6 84 e5 ff 90 <0f> 0b 90 90 59 e9 fc fa ff ff 48 c7 c7 94 64 9f 8f 48 89 04 24 e8
RSP: 0018:ffffc90003ee7b38 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff88802fd42810 RCX: ffffffff81503279
RDX: ffff888021f5a440 RSI: ffffffff81503286 RDI: 0000000000000001
RBP: ffffffff8f9f6494 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88802fd42818
R13: 1ffff920007dcf6b R14: ffff88802fd42810 R15: ffffffff8b0ca460
FS:  00007fec1c64d6c0(0000) GS:ffff88806b400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd72e1ff000 CR3: 0000000027444000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_unlock_shared include/linux/fs.h:810 [inline]
 lookup_slow fs/namei.c:1710 [inline]
 walk_component+0x35b/0x5b0 fs/namei.c:2004
 lookup_last fs/namei.c:2461 [inline]
 path_lookupat+0x17f/0x770 fs/namei.c:2485
 filename_lookup+0x1e5/0x5b0 fs/namei.c:2514
 user_path_at_empty+0x42/0x60 fs/namei.c:2921
 user_path_at include/linux/namei.h:57 [inline]
 __do_sys_chdir fs/open.c:558 [inline]
 __se_sys_chdir fs/open.c:552 [inline]
 __x64_sys_chdir+0xc2/0x270 fs/open.c:552
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fec1b87de69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fec1c64d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000050
RAX: ffffffffffffffda RBX: 00007fec1b9ac050 RCX: 00007fec1b87de69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000380
RBP: 00007fec1b8ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fec1b9ac050 R15: 00007ffffed3a4e8
 </TASK>