Fix division by zero in prelink detection, issue 420
Avoid dividing by zero when hitting an ELF section without fixed-size entries. Thanks to Michael Schroeder for helping trace the problem (in #420)
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@ -54,7 +54,7 @@ static int is_prelinked(int fdno)
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while (!prelinked && (scn = elf_nextscn(elf, scn)) != NULL) {
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(void) gelf_getshdr(scn, &shdr);
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if (shdr.sh_type != SHT_DYNAMIC)
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if (shdr.sh_type != SHT_DYNAMIC || shdr.sh_entsize == 0)
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continue;
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while (!prelinked && (data = elf_getdata (scn, data)) != NULL) {
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int maxndx = data->d_size / shdr.sh_entsize;
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