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BUG: KMSAN: uninit-value in fuse_dentry_revalidate+0x150/0x13a0 fs/fuse/dir.c:208
 fuse_dentry_revalidate+0x150/0x13a0 fs/fuse/dir.c:208
 d_revalidate fs/namei.c:929 [inline]
 lookup_fast+0x64a/0xa30 fs/namei.c:1756
 lookup_fast_for_open fs/namei.c:3745 [inline]
 open_last_lookups fs/namei.c:3778 [inline]
 path_openat+0x861/0x6760 fs/namei.c:4043
 do_filp_open+0x280/0x660 fs/namei.c:4073
 io_openat2+0x617/0xa70 io_uring/openclose.c:142
 io_openat+0x34/0x40 io_uring/openclose.c:179
 __io_issue_sqe+0x2b8/0x790 io_uring/io_uring.c:1771
 io_issue_sqe+0xae/0x19b0 io_uring/io_uring.c:1794
 io_queue_sqe io_uring/io_uring.c:2023 [inline]
 io_submit_sqe io_uring/io_uring.c:2283 [inline]
 io_submit_sqes+0x1252/0x3030 io_uring/io_uring.c:2396
 __do_sys_io_uring_enter io_uring/io_uring.c:3463 [inline]
 __se_sys_io_uring_enter+0x3b7/0x4c40 io_uring/io_uring.c:3397
 __ia32_sys_io_uring_enter+0x112/0x1a0 io_uring/io_uring.c:3397
 ia32_sys_call+0x3e68/0x4310 arch/x86/include/generated/asm/syscalls_32.h:427
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xb0/0x150 arch/x86/entry/syscall_32.c:306
 do_fast_syscall_32+0x38/0x80 arch/x86/entry/syscall_32.c:331
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/syscall_32.c:369
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:4197 [inline]
 slab_alloc_node mm/slub.c:4240 [inline]
 kmem_cache_alloc_lru_noprof+0x822/0xed0 mm/slub.c:4259
 __d_alloc+0x66/0xa60 fs/dcache.c:1690
 d_alloc_parallel+0x98/0x2680 fs/dcache.c:2549
 lookup_open fs/namei.c:3630 [inline]
 open_last_lookups fs/namei.c:3807 [inline]
 path_openat+0x1139/0x6760 fs/namei.c:4043
 do_filp_open+0x280/0x660 fs/namei.c:4073
 io_openat2+0x617/0xa70 io_uring/openclose.c:142
 io_openat+0x34/0x40 io_uring/openclose.c:179
 __io_issue_sqe+0x2b8/0x790 io_uring/io_uring.c:1771
 io_issue_sqe+0xae/0x19b0 io_uring/io_uring.c:1794
 io_wq_submit_work+0xa18/0xef0 io_uring/io_uring.c:1906
 io_worker_handle_work+0xc7a/0x2090 io_uring/io-wq.c:650
 io_wq_worker+0x36e/0x1400 io_uring/io-wq.c:704
 ret_from_fork+0x233/0x380 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

CPU: 1 UID: 0 PID: 7681 Comm: syz.1.515 Not tainted syzkaller #0 PREEMPT(none) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
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