=====================================================
BUG: KMSAN: uninit-value in btf_name_valid_section kernel/bpf/btf.c:822 [inline]
BUG: KMSAN: uninit-value in btf_datasec_check_meta+0x5a8/0x1020 kernel/bpf/btf.c:4564
 btf_name_valid_section kernel/bpf/btf.c:822 [inline]
 btf_datasec_check_meta+0x5a8/0x1020 kernel/bpf/btf.c:4564
 btf_check_meta kernel/bpf/btf.c:5046 [inline]
 btf_check_all_metas+0x67b/0x11e0 kernel/bpf/btf.c:5070
 btf_parse_type_sec+0x1b1/0x2bd0 kernel/bpf/btf.c:5206
 btf_parse kernel/bpf/btf.c:5598 [inline]
 btf_new_fd+0x108b/0x1700 kernel/bpf/btf.c:7461
 bpf_btf_load+0x345/0x3a0 kernel/bpf/syscall.c:4991
 __sys_bpf+0xab2/0xd90 kernel/bpf/syscall.c:5705
 __do_sys_bpf kernel/bpf/syscall.c:5767 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5765 [inline]
 __ia32_sys_bpf+0xa0/0xe0 kernel/bpf/syscall.c:5765
 ia32_sys_call+0xf7e/0x40a0 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+0xb4/0x120 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:3804 [inline]
 slab_alloc_node mm/slub.c:3845 [inline]
 __do_kmalloc_node mm/slub.c:3965 [inline]
 __kmalloc_node+0x74b/0x1060 mm/slub.c:3973
 kmalloc_node include/linux/slab.h:648 [inline]
 kvmalloc_node+0xc0/0x2d0 mm/util.c:634
 kvmalloc include/linux/slab.h:766 [inline]
 btf_parse kernel/bpf/btf.c:5574 [inline]
 btf_new_fd+0x38e/0x1700 kernel/bpf/btf.c:7461
 bpf_btf_load+0x345/0x3a0 kernel/bpf/syscall.c:4991
 __sys_bpf+0xab2/0xd90 kernel/bpf/syscall.c:5705
 __do_sys_bpf kernel/bpf/syscall.c:5767 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5765 [inline]
 __ia32_sys_bpf+0xa0/0xe0 kernel/bpf/syscall.c:5765
 ia32_sys_call+0xf7e/0x40a0 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+0xb4/0x120 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: 0 PID: 5464 Comm: syz-executor.0 Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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