27 lines
923 B
Diff
27 lines
923 B
Diff
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--- a/kernel/module-verify.c
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+++ a/kernel/module-verify.c
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@@ -391,16 +391,19 @@ static int extract_elf_rel(struct module_verify_data *mvdata,
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#endif
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} __packed relocation;
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+ const Elf_Shdr *relsec, *symsec, *strsec;
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const Elf_Rel *reloc;
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const Elf_Sym *symbols, *symbol;
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const char *strings;
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unsigned long r_sym;
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size_t nsyms, loop;
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- nsyms = mvdata->sections[secix].sh_size / sizeof(Elf_Sym);
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- symbols = mvdata->buffer + mvdata->sections[secix].sh_offset;
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- strings = mvdata->buffer +
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- mvdata->sections[mvdata->sections[secix].sh_link].sh_offset;
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+ relsec = &mvdata->sections[secix];
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+ symsec = &mvdata->sections[relsec->sh_link];
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+ strsec = &mvdata->sections[symsec->sh_link];
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+ nsyms = symsec->sh_size / sizeof(Elf_Sym);
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+ symbols = mvdata->buffer + symsec->sh_offset;
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+ strings = mvdata->buffer + strsec->sh_offset;
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/* Contribute the relevant bits from a join of
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* { REL, SYMBOL, SECTION }
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