------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem)): count = 0x0, magic = 0xffff888073dbdbb0, owner = 0x0, curr 0xffff888020c6d7c0, list empty
WARNING: CPU: 1 PID: 5095 at kernel/locking/rwsem.c:1343 __up_read+0x5f4/0x750 kernel/locking/rwsem.c:1343
Modules linked in:
CPU: 1 PID: 5095 Comm: syz-executor381 Not tainted 6.3.0-rc2-syzkaller-00069-g0ddc84d2dd43 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:__up_read+0x5f4/0x750 kernel/locking/rwsem.c:1343
Code: 03 80 3c 02 00 0f 85 35 01 00 00 49 8b 17 4d 89 f1 4c 89 e9 48 c7 c6 e0 52 4c 8a ff 34 24 48 c7 c7 00 51 4c 8a e8 8c 14 e8 ff <0f> 0b 5e e9 04 fb ff ff 48 c7 c7 2c ed 77 8e 48 89 04 24 e8 f4 a3
RSP: 0018:ffffc90003ccfb58 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffffffff8e77ed2c RCX: 0000000000000000
RDX: ffff888020c6d7c0 RSI: ffffffff814b6037 RDI: 0000000000000001
RBP: ffff888073dbdbb8 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff92000799f6f
R13: ffff888073dbdbb0 R14: ffff888020c6d7c0 R15: ffff888073dbdbb0
FS: 00007f6a52945700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6a52945000 CR3: 000000002b741000 CR4: 0000000000350ee0
Call Trace:
<TASK>
inode_unlock_shared include/linux/fs.h:773 [inline]
lookup_slow fs/namei.c:1704 [inline]
walk_component+0x34a/0x5a0 fs/namei.c:1994
lookup_last fs/namei.c:2451 [inline]
path_lookupat+0x1ba/0x840 fs/namei.c:2475
filename_lookup+0x1d2/0x590 fs/namei.c:2504
user_path_at_empty+0x46/0x60 fs/namei.c:2877
user_path_at include/linux/namei.h:57 [inline]
__do_sys_chdir fs/open.c:551 [inline]
__se_sys_chdir fs/open.c:545 [inline]
__x64_sys_chdir+0xbb/0x260 fs/open.c:545
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6b5ebbab39
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007f6a529451e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000050
RAX: ffffffffffffffda RBX: 0000000000000025 RCX: 00007f6b5ebbab39
RDX: 00007f6b5ebbab39 RSI: ffffffffffffffb8 RDI: 0000000020000380
RBP: 00007f6b5ec5e790 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6b5ec5e79c
R13: 00007ffdfde39c9f R14: 00007f6a52945300 R15: 0000000000022000
</TASK>