------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem)): count = 0x0, magic = 0xffff888073ed6310, owner = 0x0, curr 0xffff888017c1ba80, list empty WARNING: CPU: 0 PID: 5269 at kernel/locking/rwsem.c:1336 __up_read+0x5c0/0x720 kernel/locking/rwsem.c:1336 Modules linked in: CPU: 0 PID: 5269 Comm: syz-executor287 Not tainted 6.2.0-rc4-syzkaller-00241-gff83fec8179e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:__up_read+0x5c0/0x720 kernel/locking/rwsem.c:1336 Code: 03 80 3c 02 00 0f 85 35 01 00 00 49 8b 17 4d 89 f1 4c 89 e9 48 c7 c6 00 45 4c 8a ff 34 24 48 c7 c7 40 42 4c 8a e8 60 b8 5c 08 <0f> 0b 5e e9 38 fb ff ff 48 89 df e8 b0 93 6c 00 e9 b2 fa ff ff 48 RSP: 0018:ffffc9000408fb58 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffffff8e732ba8 RCX: 0000000000000000 RDX: ffff888017c1ba80 RSI: ffffffff8166822c RDI: fffff52000811f5d RBP: ffff888073ed6318 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: 1ffff92000811f6f R13: ffff888073ed6310 R14: ffff888017c1ba80 R15: ffff888073ed6310 FS: 00007f3942e3d700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3942e3d000 CR3: 000000007c7e4000 CR4: 0000000000350ef0 Call Trace: inode_unlock_shared include/linux/fs.h:771 [inline] lookup_slow fs/namei.c:1703 [inline] walk_component+0x34a/0x5a0 fs/namei.c:1993 lookup_last fs/namei.c:2450 [inline] path_lookupat+0x1ba/0x840 fs/namei.c:2474 filename_lookup+0x1d2/0x590 fs/namei.c:2503 user_path_at_empty+0x46/0x60 fs/namei.c:2876 user_path_at include/linux/namei.h:57 [inline] __do_sys_chdir fs/open.c:514 [inline] __se_sys_chdir fs/open.c:508 [inline] __x64_sys_chdir+0xbb/0x240 fs/open.c:508 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: 0033:0x7f394b0b26a9 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:00007f3942e3d2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000050 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f394b0b26a9 RDX: 00007f394b0b26a9 RSI: ffffffffffffffb8 RDI: 0000000020000380 RBP: 00007f394b156798 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f394b156790 R13: 00007f394b15679c R14: 6174656d776f6873 R15: 0030656c69662f2e