=====================================================
BUG: KMSAN: uninit-value in mnt_add_count fs/namespace.c:168 [inline]
BUG: KMSAN: uninit-value in mntget+0xc8/0xe0 fs/namespace.c:1241
 mnt_add_count fs/namespace.c:168 [inline]
 mntget+0xc8/0xe0 fs/namespace.c:1241
 path_get+0x59/0xe0 fs/namei.c:544
 path_init+0x11e4/0x1bf0 fs/namei.c:2401
 path_lookupat+0x7b/0x890 fs/namei.c:2439
 filename_lookup+0x36d/0xa50 fs/namei.c:2478
 user_path_at_empty+0x12c/0x410 fs/namei.c:2801
 user_path_at include/linux/namei.h:57 [inline]
 vfs_statx+0x1df/0x860 fs/stat.c:221
 vfs_fstatat fs/stat.c:243 [inline]
 __do_sys_newfstatat fs/stat.c:412 [inline]
 __se_sys_newfstatat+0x129/0x970 fs/stat.c:406
 __x64_sys_newfstatat+0x11e/0x170 fs/stat.c:406
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x54/0xd0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x44/0xae

Local variable object.i.i created at:
 slab_alloc mm/slub.c:3259 [inline]
 kmem_cache_alloc_trace+0x89/0x1140 mm/slub.c:3276
 kmalloc include/linux/slab.h:590 [inline]
 kzalloc include/linux/slab.h:724 [inline]
 __irq_domain_alloc_fwnode+0xbb/0x600 kernel/irq/irqdomain.c:80

CPU: 1 PID: 8950 Comm: udevd Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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