=====================================================
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]
 __ia32_sys_bpf+0xa0/0xe0 kernel/bpf/syscall.c:5815
 ia32_sys_call+0x30fe/0x40d0 arch/x86/include/generated/asm/syscalls_32.h:358
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:3994 [inline]
 slab_alloc_node mm/slub.c:4037 [inline]
 __do_kmalloc_node mm/slub.c:4157 [inline]
 __kmalloc_node_noprof+0x6bb/0xf50 mm/slub.c:4164
 __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]
 __ia32_sys_bpf+0xa0/0xe0 kernel/bpf/syscall.c:5815
 ia32_sys_call+0x30fe/0x40d0 arch/x86/include/generated/asm/syscalls_32.h:358
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e

CPU: 1 UID: 0 PID: 6705 Comm: syz.2.264 Not tainted 6.11.0-rc5-syzkaller-00081-gd5d547aa7b51 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
=====================================================