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BUG: KASAN: slab-out-of-bounds in btf_name_valid_section kernel/bpf/btf.c:829 [inline]
BUG: KASAN: slab-out-of-bounds in btf_datasec_check_meta+0x2c0/0x864 kernel/bpf/btf.c:4698
Read of size 1 at addr ffff0000f4b30139 by task syz.2.1537/12892

CPU: 1 UID: 0 PID: 12892 Comm: syz.2.1537 Not tainted 6.11.0-rc5-syzkaller-gdf54f4a16f82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:119
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0x198/0x538 mm/kasan/report.c:488
 kasan_report+0xd8/0x138 mm/kasan/report.c:601
 __asan_report_load1_noabort+0x20/0x2c mm/kasan/report_generic.c:378
 btf_name_valid_section kernel/bpf/btf.c:829 [inline]
 btf_datasec_check_meta+0x2c0/0x864 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+0x3e4/0x1fe8 kernel/bpf/btf.c:5340
 btf_parse kernel/bpf/btf.c:5732 [inline]
 btf_new_fd+0x9b0/0x1054 kernel/bpf/btf.c:7650
 bpf_btf_load+0xf0/0x190 kernel/bpf/syscall.c:5035
 __sys_bpf+0x3d8/0x5f0 kernel/bpf/syscall.c:5755
 __do_sys_bpf kernel/bpf/syscall.c:5817 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5815 [inline]
 __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:5815
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598

Allocated by task 12892:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x40/0x78 mm/kasan/common.c:68
 kasan_save_alloc_info+0x40/0x50 mm/kasan/generic.c:565
 poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
 __kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:387
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slub.c:4158 [inline]
 __kmalloc_node_noprof+0x2d4/0x4d8 mm/slub.c:4164
 __kvmalloc_node_noprof+0x88/0x24c mm/util.c:650
 btf_parse kernel/bpf/btf.c:5708 [inline]
 btf_new_fd+0x20c/0x1054 kernel/bpf/btf.c:7650
 bpf_btf_load+0xf0/0x190 kernel/bpf/syscall.c:5035
 __sys_bpf+0x3d8/0x5f0 kernel/bpf/syscall.c:5755
 __do_sys_bpf kernel/bpf/syscall.c:5817 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5815 [inline]
 __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:5815
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598

The buggy address belongs to the object at ffff0000f4b30100
 which belongs to the cache kmalloc-64 of size 64
The buggy address is located 0 bytes to the right of
 allocated 57-byte region [ffff0000f4b30100, ffff0000f4b30139)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x134b30
anon flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff)
page_type: 0xfdffffff(slab)
raw: 05ffc00000000000 ffff0000c00018c0 fffffdffc316c380 dead000000000005
raw: 0000000000000000 0000000080200020 00000001fdffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000f4b30000: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
 ffff0000f4b30080: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff0000f4b30100: 00 00 00 00 00 00 00 01 fc fc fc fc fc fc fc fc
                                        ^
 ffff0000f4b30180: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff0000f4b30200: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
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