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elf32: don't load sections with size zero

This commit is contained in:
Triss 2022-05-19 01:16:32 +02:00
parent 63e2077d5b
commit 985b390ba2
1 changed files with 4 additions and 2 deletions
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6
formats/elf32.c
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@ -247,8 +247,10 @@ static int feed_section(struct elf32_info *info,
ch.data = buf;
ch.len = len;
if (cb(user_data, &ch) < 0)
if (cb(user_data, &ch) < 0) {
pr_error("elf32: misc error");
return -1;
}
size -= len;
offset += len;
@ -331,7 +333,7 @@ int elf32_extract(FILE *in, binfile_imgcb_t cb, void *user_data)
Elf32_Shdr *s = &info.file_shdrs[i];
if ((s->sh_type == SHT_PROGBITS || s->sh_type == SHT_INIT_ARRAY) &&
s->sh_flags & SHF_ALLOC &&
(s->sh_flags & SHF_ALLOC) && s->sh_size > 0 &&
feed_section(&info, in, s, cb, user_data) < 0) {
ret = -1;
break;