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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+0x2c9/0x9a0 kernel/bpf/btf.c:4698
Read of size 1 at addr ffff888029adcfba by task syz-executor415/5102

CPU: 1 PID: 5102 Comm: syz-executor415 Not tainted 6.10.0-syzkaller-04488-g0986ac1408ab #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0x169/0x550 mm/kasan/report.c:488
 kasan_report+0x143/0x180 mm/kasan/report.c:601
 btf_name_valid_section kernel/bpf/btf.c:829 [inline]
 btf_datasec_check_meta+0x2c9/0x9a0 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+0x4d5/0x2620 kernel/bpf/btf.c:5340
 btf_parse kernel/bpf/btf.c:5732 [inline]
 btf_new_fd+0x43f/0xd30 kernel/bpf/btf.c:7650
 __sys_bpf+0x6ef/0x810 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+0x7c/0x90 kernel/bpf/syscall.c:5815
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcdf6ceeaf9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd0a99bdb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcdf6ceeaf9
RDX: 0000000000000020 RSI: 0000000020000000 RDI: 0000000000000012
RBP: 00007fcdf6d615f0 R08: 0000000000000000 R09: 0000000000000006
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
 </TASK>

Allocated by task 5102:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
 __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slub.c:4123 [inline]
 __kmalloc_node_noprof+0x22a/0x440 mm/slub.c:4130
 kmalloc_node_noprof include/linux/slab.h:681 [inline]
 kvmalloc_node_noprof+0x72/0x190 mm/util.c:639
 btf_parse kernel/bpf/btf.c:5708 [inline]
 btf_new_fd+0x265/0xd30 kernel/bpf/btf.c:7650
 __sys_bpf+0x6ef/0x810 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+0x7c/0x90 kernel/bpf/syscall.c:5815
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888029adcf80
 which belongs to the cache kmalloc-64 of size 64
The buggy address is located 0 bytes to the right of
 allocated 58-byte region [ffff888029adcf80, ffff888029adcfba)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x29adc
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffefff(slab)
raw: 00fff00000000000 ffff8880150418c0 ffffea0000b4d680 dead000000000002
raw: 0000000000000000 0000000080200020 00000001ffffefff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 4534, tgid 4534 (acpid), ts 28312608338, free_ts 28307714639
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1473
 prep_new_page mm/page_alloc.c:1481 [inline]
 get_page_from_freelist+0x2e4c/0x2f10 mm/page_alloc.c:3425
 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4683
 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:296 [inline]
 alloc_slab_page+0x5f/0x120 mm/slub.c:2265
 allocate_slab+0x5a/0x2f0 mm/slub.c:2428
 new_slab mm/slub.c:2481 [inline]
 ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3667
 __slab_alloc+0x58/0xa0 mm/slub.c:3757
 __slab_alloc_node mm/slub.c:3810 [inline]
 slab_alloc_node mm/slub.c:3990 [inline]
 __do_kmalloc_node mm/slub.c:4122 [inline]
 __kmalloc_noprof+0x257/0x400 mm/slub.c:4136
 kmalloc_noprof include/linux/slab.h:664 [inline]
 kzalloc_noprof include/linux/slab.h:778 [inline]
 tomoyo_commit_ok+0x29/0x1d0 security/tomoyo/memory.c:76
 tomoyo_update_domain+0x557/0x8b0 security/tomoyo/domain.c:139
 tomoyo_update_path_acl security/tomoyo/file.c:398 [inline]
 tomoyo_write_file+0x397/0xe50 security/tomoyo/file.c:1022
 tomoyo_write_domain2+0x1e0/0x250 security/tomoyo/common.c:1144
 tomoyo_add_entry security/tomoyo/common.c:2034 [inline]
 tomoyo_supervisor+0xf09/0x11f0 security/tomoyo/common.c:2095
 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline]
 tomoyo_path_permission+0x243/0x360 security/tomoyo/file.c:587
 tomoyo_check_open_permission+0x2fb/0x500 security/tomoyo/file.c:777
 security_file_open+0x6a/0x750 security/security.c:2988
page last free pid 4534 tgid 4534 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1093 [inline]
 free_unref_folios+0xf23/0x19e0 mm/page_alloc.c:2637
 folios_put_refs+0x93a/0xa60 mm/swap.c:1024
 free_pages_and_swap_cache+0x5c8/0x690 mm/swap_state.c:332
 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline]
 tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
 tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373
 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465
 exit_mmap+0x44f/0xc80 mm/mmap.c:3354
 __mmput+0x115/0x390 kernel/fork.c:1343
 exec_mmap+0x680/0x710 fs/exec.c:1089
 begin_new_exec+0x125f/0x1f50 fs/exec.c:1355
 load_elf_binary+0x969/0x2680 fs/binfmt_elf.c:996
 search_binary_handler fs/exec.c:1821 [inline]
 exec_binprm fs/exec.c:1863 [inline]
 bprm_execve+0xaf8/0x1770 fs/exec.c:1914
 do_execveat_common+0x55f/0x6f0 fs/exec.c:2021
 do_execve fs/exec.c:2095 [inline]
 __do_sys_execve fs/exec.c:2171 [inline]
 __se_sys_execve fs/exec.c:2166 [inline]
 __x64_sys_execve+0x92/0xb0 fs/exec.c:2166
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff888029adce80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff888029adcf00: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc
>ffff888029adcf80: 00 00 00 00 00 00 00 02 fc fc fc fc fc fc fc fc
                                        ^
 ffff888029add000: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc 00 00
 ffff888029add080: 00 00 00 00 00 00 00 00 fc fc fc fc 00 00 00 00
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