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authorAlan Modra <amodra@gmail.com>2023-12-26 22:46:56 +1030
committerAlan Modra <amodra@gmail.com>2023-12-27 16:36:23 +1030
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asan: buffer overflow in loongarch_elf_rtype_to_howto
Seen when running ld-loongarch-elf/tlsdesc-dso test. elfxx-loongarch.c:1844:32: runtime error: index 125 out of bounds for type 'loongarch_reloc_howto_type [124]' So either the loongarch_howto_table needs three more LOONGARCH_EMPTY_HOWTO entries, or loongarch_elf_rtype_to_howto should be testing for r_type < ARRAY_SIZE (loongarch_howto_table). I figure it's worth wasting a little more space to get faster lookup. * elfxx-loongarch.c (loongarch_howto_table): Add LOONGARCH_EMPTY_HOWTO entries for 121..123. (loongarch_elf_rtype_to_howto): Don't support slow lookup. Assert exact table size and r_type indexing. Omit return cast. (loongarch_reloc_name_lookup): Omit assertion and return cast. (loongarch_reloc_type_lookup): Likewise.
Diffstat (limited to 'bfd/elf32-avr.c')
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