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BUG: KMSAN: uninit-value in fuse_dentry_revalidate+0x150/0x13d0 fs/fuse/dir.c:394
 fuse_dentry_revalidate+0x150/0x13d0 fs/fuse/dir.c:394
 d_revalidate fs/namei.c:1030 [inline]
 __lookup_slow+0x2ea/0x770 fs/namei.c:1905
 lookup_slow+0x6a/0xd0 fs/namei.c:1933
 walk_component fs/namei.c:2279 [inline]
 lookup_last fs/namei.c:2786 [inline]
 path_lookupat+0x7d1/0xdf0 fs/namei.c:2810
 filename_lookup+0x2bc/0x800 fs/namei.c:2839
 kern_path+0x8c/0x320 fs/namei.c:3046
 unix_find_bsd net/unix/af_unix.c:1215 [inline]
 unix_find_other+0x1d2/0x12f0 net/unix/af_unix.c:1277
 unix_dgram_sendmsg+0xc80/0x2d00 net/unix/af_unix.c:2148
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg net/socket.c:742 [inline]
 ____sys_sendmsg+0xf37/0xfd0 net/socket.c:2592
 ___sys_sendmsg+0x271/0x3b0 net/socket.c:2646
 __sys_sendmmsg+0x2d9/0x7c0 net/socket.c:2735
 __do_sys_sendmmsg net/socket.c:2762 [inline]
 __se_sys_sendmmsg net/socket.c:2759 [inline]
 __x64_sys_sendmmsg+0xc6/0x150 net/socket.c:2759
 x64_sys_call+0x2f8c/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:308
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x134/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:4545 [inline]
 slab_alloc_node mm/slub.c:4866 [inline]
 kmem_cache_alloc_lru_noprof+0x382/0x1280 mm/slub.c:4885
 __d_alloc+0x55/0xa00 fs/dcache.c:1740
 d_alloc_parallel+0x99/0x2740 fs/dcache.c:2604
 __lookup_slow+0x138/0x770 fs/namei.c:1901
 lookup_slow+0x6a/0xd0 fs/namei.c:1933
 walk_component fs/namei.c:2279 [inline]
 lookup_last fs/namei.c:2786 [inline]
 path_lookupat+0x7d1/0xdf0 fs/namei.c:2810
 filename_lookup+0x2bc/0x800 fs/namei.c:2839
 user_path_at+0x94/0x330 fs/namei.c:3618
 do_mount fs/namespace.c:4169 [inline]
 __do_sys_mount fs/namespace.c:4361 [inline]
 __se_sys_mount+0x661/0x7f0 fs/namespace.c:4338
 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4338
 x64_sys_call+0x39f0/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x134/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 0 UID: 0 PID: 6928 Comm: syz.0.241 Tainted: G        W           syzkaller #0 PREEMPT(full) 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
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