------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem)): count = 0x0, magic = 0xffff88806f123b50, owner = 0x0, curr 0xffff88807e15c1c0, list empty WARNING: CPU: 1 PID: 5802 at kernel/locking/rwsem.c:1343 __up_read+0x5f1/0x750 kernel/locking/rwsem.c:1343 Modules linked in: CPU: 1 PID: 5802 Comm: syz-executor198 Not tainted 6.5.0-syzkaller-12728-ga48fa7efaf11 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:__up_read+0x5f1/0x750 kernel/locking/rwsem.c:1343 Code: 80 3c 02 00 0f 85 bd 00 00 00 48 8b 13 41 57 4c 89 f1 48 c7 c6 60 94 8c 8a 4c 8b 4c 24 10 48 c7 c7 00 93 8c 8a e8 7f d4 e6 ff <0f> 0b 59 e9 08 fb ff ff 48 c7 c7 ac 9d cd 8e 48 89 04 24 e8 17 b2 RSP: 0018:ffffc900044ffb48 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff88806f123b50 RCX: 0000000000000000 RDX: ffff88807e15c1c0 RSI: ffffffff814cf106 RDI: 0000000000000001 RBP: ffffffff8ecd9dac R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88806f123b58 R13: 1ffff9200089ff6d R14: ffff88806f123b50 R15: ffffffff8a8c9240 FS: 00007f801067b6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f801067b000 CR3: 000000001dad6000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_unlock_shared include/linux/fs.h:817 [inline] lookup_slow fs/namei.c:1711 [inline] walk_component+0x354/0x5a0 fs/namei.c:2001 lookup_last fs/namei.c:2458 [inline] path_lookupat+0x17f/0x770 fs/namei.c:2482 filename_lookup+0x1e7/0x5b0 fs/namei.c:2511 user_path_at_empty+0x42/0x60 fs/namei.c:2910 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+0xce/0x270 fs/open.c:545 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f80188e82b9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 1b 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:00007f801067b148 EFLAGS: 00000246 ORIG_RAX: 0000000000000050 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f80188e82b9 RDX: 00007f80188e82b9 RSI: ffffffffffffffb0 RDI: 0000000020000380 RBP: 00007f80189886b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f80189886bc R13: 0000000000000006 R14: 00007ffd023d4af0 R15: 00007ffd023d4bd8