WARNING: CPU: 1 PID: 23681 at kernel/locking/rwsem.c:1343 __up_read+0x602/0x690 kernel/locking/rwsem.c:1343 Modules linked in: CPU: 1 PID: 23681 Comm: syz-executor.4 Not tainted 6.2.0-syzkaller-12485-gf3a2439f20d9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 RIP: 0010:__up_read+0x602/0x690 kernel/locking/rwsem.c:1343 Code: 0a 8b 48 0f 44 c1 48 c7 c7 c0 7e 0a 8b 48 c7 c6 60 7f 0a 8b 4c 89 fa 4c 89 f1 49 89 d8 4d 89 e9 50 e8 a2 51 e8 ff 48 83 c4 08 <0f> 0b 48 bb 00 00 00 00 00 fc ff df 4c 8b 2c 24 e9 4e fb ff ff 48 RSP: 0018:ffffc90014e17a80 EFLAGS: 00010292 RAX: 17823706e8850900 RBX: ffff888022e90000 RCX: ffff88802cff3a80 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90014e17b38 R08: ffffffff8153a9f2 R09: fffffbfff1ce8fe6 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888036b30ae8 R13: ffff88802cff3a80 R14: ffff888036b30a90 R15: 0000000000000001 FS: 00007fd931f78700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f97da08e000 CR3: 00000000277c9000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_unlock_shared include/linux/fs.h:773 [inline] lookup_slow+0x5e/0x70 fs/namei.c:1704 walk_component+0x2d0/0x400 fs/namei.c:1994 lookup_last fs/namei.c:2451 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2475 filename_lookup+0x255/0x610 fs/namei.c:2504 user_path_at_empty+0x44/0x180 fs/namei.c:2877 user_path_at include/linux/namei.h:57 [inline] __do_sys_chdir fs/open.c:515 [inline] __se_sys_chdir+0xbf/0x220 fs/open.c:509 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: 0033:0x7fd93128c0f9 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:00007fd931f78168 EFLAGS: 00000246 ORIG_RAX: 0000000000000050 RAX: ffffffffffffffda RBX: 00007fd9313ac050 RCX: 00007fd93128c0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007fd9312e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc4238266f R14: 00007fd931f78300 R15: 0000000000022000