=====================================================
BUG: KMSAN: uninit-value in dns_resolver_preparse+0x186d/0x1f80 net/dns_resolver/dns_key.c:127
 dns_resolver_preparse+0x186d/0x1f80 net/dns_resolver/dns_key.c:127
 __key_create_or_update+0x5a2/0x1430 security/keys/key.c:842
 key_create_or_update+0x5f/0x70 security/keys/key.c:1007
 __do_sys_add_key security/keys/keyctl.c:134 [inline]
 __se_sys_add_key+0x5e2/0x820 security/keys/keyctl.c:74
 __ia32_sys_add_key+0xe3/0x150 security/keys/keyctl.c:74
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:321
 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:346
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:384
 entry_SYSENTER_compat_after_hwframe+0x70/0x7a

Uninit was created at:
 slab_post_alloc_hook+0x129/0xa70 mm/slab.h:768
 slab_alloc_node mm/slub.c:3478 [inline]
 __kmem_cache_alloc_node+0x5c9/0x970 mm/slub.c:3517
 __do_kmalloc_node mm/slab_common.c:1006 [inline]
 __kmalloc_node+0x11c/0x3c0 mm/slab_common.c:1014
 kmalloc_node include/linux/slab.h:620 [inline]
 kvmalloc_node+0xc0/0x2d0 mm/util.c:617
 kvmalloc include/linux/slab.h:738 [inline]
 __do_sys_add_key security/keys/keyctl.c:116 [inline]
 __se_sys_add_key+0x420/0x820 security/keys/keyctl.c:74
 __ia32_sys_add_key+0xe3/0x150 security/keys/keyctl.c:74
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:321
 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:346
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:384
 entry_SYSENTER_compat_after_hwframe+0x70/0x7a

CPU: 0 PID: 7281 Comm: syz-executor.3 Not tainted 6.7.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
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