=====================================================
BUG: KMSAN: uninit-value in btf_name_valid_section kernel/bpf/btf.c:829 [inline]
BUG: KMSAN: uninit-value in btf_datasec_check_meta+0x5a8/0x1020 kernel/bpf/btf.c:4698
 btf_name_valid_section kernel/bpf/btf.c:829 [inline]
 btf_datasec_check_meta+0x5a8/0x1020 kernel/bpf/btf.c:4698
 btf_check_meta kernel/bpf/btf.c:5180 [inline]
 btf_check_all_metas kernel/bpf/btf.c:5204 [inline]
 btf_parse_type_sec+0x836/0x3e60 kernel/bpf/btf.c:5340
 btf_parse kernel/bpf/btf.c:5732 [inline]
 btf_new_fd+0x129f/0x18f0 kernel/bpf/btf.c:7650
 bpf_btf_load+0x345/0x3a0 kernel/bpf/syscall.c:5035
 __sys_bpf+0xab2/0xd90 kernel/bpf/syscall.c:5755
 __do_sys_bpf kernel/bpf/syscall.c:5817 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5815 [inline]
 __x64_sys_bpf+0xa0/0xe0 kernel/bpf/syscall.c:5815
 x64_sys_call+0x2cce/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:322
 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:3998 [inline]
 slab_alloc_node mm/slub.c:4041 [inline]
 __do_kmalloc_node mm/slub.c:4161 [inline]
 __kmalloc_node_noprof+0x6bb/0xf50 mm/slub.c:4168
 __kvmalloc_node_noprof+0xc0/0x2d0 mm/util.c:650
 btf_parse kernel/bpf/btf.c:5708 [inline]
 btf_new_fd+0x433/0x18f0 kernel/bpf/btf.c:7650
 bpf_btf_load+0x345/0x3a0 kernel/bpf/syscall.c:5035
 __sys_bpf+0xab2/0xd90 kernel/bpf/syscall.c:5755
 __do_sys_bpf kernel/bpf/syscall.c:5817 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5815 [inline]
 __x64_sys_bpf+0xa0/0xe0 kernel/bpf/syscall.c:5815
 x64_sys_call+0x2cce/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:322
 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: 13629 Comm: syz.2.2523 Not tainted 6.11.0-rc6-syzkaller-00048-gc7fb1692dc01 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
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