DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem)): count = 0x0, magic = 0xffff8880744b91f0, owner = 0x0, curr 0xffff888022310000, list empty WARNING: CPU: 0 PID: 15156 at kernel/locking/rwsem.c:1336 __up_read+0x5dc/0x670 kernel/locking/rwsem.c:1336 Modules linked in: CPU: 0 PID: 15156 Comm: syz-executor.4 Not tainted 6.2.0-rc7-syzkaller-00135-g38c1e0c65865 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 RIP: 0010:__up_read+0x5dc/0x670 kernel/locking/rwsem.c:1336 Code: ea 8a 48 0f 44 c1 48 c7 c7 80 61 ea 8a 48 c7 c6 20 62 ea 8a 4c 89 fa 4c 89 f1 49 89 d8 4d 89 e9 50 e8 28 9a e8 ff 48 83 c4 08 <0f> 0b 48 bb 00 00 00 00 00 fc ff df 4c 8b 2c 24 e9 74 fb ff ff 48 RSP: 0018:ffffc90015097a80 EFLAGS: 00010292 RAX: df92559314ae7600 RBX: 0000000000000000 RCX: ffff888022310000 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90015097b38 R08: ffffffff816ef9ec R09: fffff52002a12f09 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880744b9248 R13: ffff888022310000 R14: ffff8880744b91f0 R15: 0000000000000000 FS: 00007ff5d3835700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555fdf848 CR3: 000000002aeef000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_unlock_shared include/linux/fs.h:771 [inline] lookup_slow+0x5e/0x70 fs/namei.c:1703 walk_component+0x2d0/0x400 fs/namei.c:1993 lookup_last fs/namei.c:2450 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2474 filename_lookup+0x255/0x610 fs/namei.c:2503 user_path_at_empty+0x44/0x180 fs/namei.c:2876 user_path_at include/linux/namei.h:57 [inline] __do_sys_chdir fs/open.c:514 [inline] __se_sys_chdir+0xbb/0x230 fs/open.c:508 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ff5d2a8c0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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:00007ff5d3835168 EFLAGS: 00000246 ORIG_RAX: 0000000000000050 RAX: ffffffffffffffda RBX: 00007ff5d2bac050 RCX: 00007ff5d2a8c0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200006c0 RBP: 00007ff5d2ae7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc1689e34f R14: 00007ff5d3835300 R15: 0000000000022000