=====================================================
BUG: KMSAN: uninit-value in consumer_filter kernel/events/uprobes.c:869 [inline]
BUG: KMSAN: uninit-value in filter_chain kernel/events/uprobes.c:880 [inline]
BUG: KMSAN: uninit-value in uprobe_mmap+0x2150/0x24d0 kernel/events/uprobes.c:1387
 consumer_filter kernel/events/uprobes.c:869 [inline]
 filter_chain kernel/events/uprobes.c:880 [inline]
 uprobe_mmap+0x2150/0x24d0 kernel/events/uprobes.c:1387
 mmap_region+0x3dfb/0x4420 mm/mmap.c:3058
 do_mmap+0xebc/0x1b10 mm/mmap.c:1468
 vm_mmap_pgoff+0x23b/0x5a0 mm/util.c:588
 ksys_mmap_pgoff+0x5cb/0x7a0 mm/mmap.c:1514
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline]
 __x64_sys_mmap+0x1a8/0x240 arch/x86/kernel/sys_x86_64.c:79
 x64_sys_call+0x1bfb/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:10
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:3994 [inline]
 slab_alloc_node mm/slub.c:4037 [inline]
 __kmalloc_cache_noprof+0x4f0/0xb00 mm/slub.c:4184
 kmalloc_noprof include/linux/slab.h:681 [inline]
 ip6addrlbl_alloc net/ipv6/addrlabel.c:189 [inline]
 ip6addrlbl_add+0x205/0x1450 net/ipv6/addrlabel.c:254
 ip6addrlbl_net_init+0x11f/0x540 net/ipv6/addrlabel.c:321
 ops_init+0x302/0x8a0 net/core/net_namespace.c:139
 setup_net+0x53d/0x1570 net/core/net_namespace.c:343
 copy_net_ns+0x6b8/0xd90 net/core/net_namespace.c:508
 create_new_namespaces+0x717/0xdb0 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0x17c/0x2b0 kernel/nsproxy.c:228
 ksys_unshare+0x8fd/0x1350 kernel/fork.c:3328
 __do_sys_unshare kernel/fork.c:3399 [inline]
 __se_sys_unshare kernel/fork.c:3397 [inline]
 __x64_sys_unshare+0x48/0x70 kernel/fork.c:3397
 x64_sys_call+0x3a03/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:273
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 0 UID: 0 PID: 7178 Comm: syz.1.721 Not tainted 6.11.0-rc4-syzkaller-00019-gb311c1b497e5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
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