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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:2780 [inline]
 path_lookupat+0x7d1/0xdf0 fs/namei.c:2804
 filename_lookup+0x2bc/0x800 fs/namei.c:2833
 filename_setxattr+0x7d/0xcb0 fs/xattr.c:659
 path_setxattrat+0x702/0x800 fs/xattr.c:708
 __do_sys_lsetxattr fs/xattr.c:749 [inline]
 __se_sys_lsetxattr fs/xattr.c:745 [inline]
 __x64_sys_lsetxattr+0x103/0x1c0 fs/xattr.c:745
 x64_sys_call+0x168d/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:190
 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:4960 [inline]
 slab_alloc_node mm/slub.c:5263 [inline]
 kmem_cache_alloc_lru_noprof+0x96e/0x1740 mm/slub.c:5282
 __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:2780 [inline]
 path_lookupat+0x7d1/0xdf0 fs/namei.c:2804
 filename_lookup+0x2bc/0x800 fs/namei.c:2833
 __do_sys_chroot fs/open.c:597 [inline]
 __se_sys_chroot+0x8b/0x770 fs/open.c:590
 __x64_sys_chroot+0x48/0x60 fs/open.c:590
 x64_sys_call+0x2def/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:162
 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: 9758 Comm: syz.7.710 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
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