WARNING: CPU: 0 PID: 5743 at kernel/locking/rwsem.c:1343 __up_read+0x5fb/0x760 kernel/locking/rwsem.c:1343 Modules linked in: CPU: 0 PID: 5743 Comm: syz-executor.4 Not tainted 6.8.0-rc1-syzkaller-00169-gecb1b8288dc7 #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 40 a7 cc 8a 4c 8b 4c 24 10 48 c7 c7 e0 a5 cc 8a e8 c6 c7 e6 ff 90 <0f> 0b 90 90 59 e9 fc fa ff ff 48 c7 c7 d4 27 3b 8f 48 89 04 24 e8 RSP: 0018:ffffc9000d8d7b38 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88807fbcf1d0 RCX: ffffc9000a8ce000 RDX: 0000000000040000 RSI: ffffffff814e1906 RDI: 0000000000000001 RBP: ffffffff8f3b27d4 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88807fbcf1d8 R13: 1ffff92001b1af6b R14: ffff88807fbcf1d0 R15: ffffffff8acca520 FS: 00007f08b405d6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f10c27a8000 CR3: 000000005f543000 CR4: 0000000000350ef0 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:2920 user_path_at include/linux/namei.h:57 [inline] do_mount fs/namespace.c:3689 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount fs/namespace.c:3875 [inline] __x64_sys_mount+0x1ff/0x310 fs/namespace.c:3875 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f08b327cda9 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:00007f08b405d0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f08b33ac050 RCX: 00007f08b327cda9 RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000020000300 RBP: 00007f08b32c947a R08: 0000000000000000 R09: 0000000000000000 R10: 000000000089101a R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f08b33ac050 R15: 00007ffcc1ac9a98