------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem)): count = 0x1, magic = 0xffff888067a463f0, owner = 0xffff888029534180, curr 0xffff88807b4c2080, list empty WARNING: CPU: 1 PID: 5984 at kernel/locking/rwsem.c:1343 __up_read+0x5fb/0x760 kernel/locking/rwsem.c:1343 Modules linked in: CPU: 1 PID: 5984 Comm: syz-executor.0 Not tainted 6.7.0-rc5-syzkaller-00214-gc8e97fc6b4c0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 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 00 98 cc 8a 4c 8b 4c 24 10 48 c7 c7 a0 96 cc 8a e8 b6 e7 e6 ff 90 <0f> 0b 90 90 59 e9 fc fa ff ff 48 c7 c7 f4 9c 18 8f 48 89 04 24 e8 RSP: 0018:ffffc900037dfb48 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff888067a463f0 RCX: ffffffff814ca739 RDX: ffff88807b4c2080 RSI: ffffffff814ca746 RDI: 0000000000000001 RBP: ffffffff8f189cf4 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888067a463f8 R13: 1ffff920006fbf6d R14: ffff888067a463f0 R15: ffffffff8acc95e0 FS: 00007f587004b6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000002ab98000 CR4: 00000000003506f0 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:1712 [inline] walk_component+0x354/0x5a0 fs/namei.c:2002 lookup_last fs/namei.c:2459 [inline] path_lookupat+0x17f/0x770 fs/namei.c:2483 filename_lookup+0x1e7/0x5b0 fs/namei.c:2512 user_path_at_empty+0x42/0x60 fs/namei.c:2911 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+0xc2/0x270 fs/open.c:545 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f586f27cae9 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:00007f587004b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000050 RAX: ffffffffffffffda RBX: 00007f586f39c050 RCX: 00007f586f27cae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000380 RBP: 00007f586f2c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f586f39c050 R15: 00007ffed6ef1358