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Bounds check shstrtab in PackVmlinuxBase<T>::canPack()

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John Reiser 2015-08-10 05:45:52 -07:00
parent b89c3ebb42
commit 718a1da262
1 changed files with 1 additions and 0 deletions
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src/p_vmlinx.cpp
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@ -165,6 +165,7 @@ bool PackVmlinuxBase<T>::canPack()
int j; int j;
for (p = shdri, j= ehdri.e_shnum; --j>=0; ++p) { for (p = shdri, j= ehdri.e_shnum; --j>=0; ++p) {
if (Shdr::SHT_PROGBITS==p->sh_type if (Shdr::SHT_PROGBITS==p->sh_type
&& (p->sh_name + shstrsec->sh_offset) < (unsigned)file_size
&& 0==strcmp("__ksymtab", p->sh_name + shstrtab)) { && 0==strcmp("__ksymtab", p->sh_name + shstrtab)) {
break; break;
} }