===================================================== 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] link_path_walk+0x170f/0x2650 fs/namei.c:2653 path_lookupat+0x107/0xdf0 fs/namei.c:2809 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 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_open fs/namei.c:4404 [inline] open_last_lookups fs/namei.c:4589 [inline] path_openat+0x135f/0x64c0 fs/namei.c:4833 do_file_open+0x2aa/0x680 fs/namei.c:4865 file_open_name+0x1e7/0x220 fs/open.c:1324 acct_on kernel/acct.c:229 [inline] __do_sys_acct kernel/acct.c:302 [inline] __se_sys_acct+0x12b/0xfe0 kernel/acct.c:293 __x64_sys_acct+0x48/0x60 kernel/acct.c:293 x64_sys_call+0x3be4/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:164 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: 6552 Comm: syz.0.170 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 =====================================================