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if dynamic linker's relro mprotect call fails, include reason in message

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This commit is contained in:
Rich Felker 2014-03-25 16:23:27 -04:00
parent fa7248c971
commit 436d3723af
1 changed files with 1 additions and 1 deletions
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2
src/ldso/dynlink.c
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@ -781,7 +781,7 @@ static void reloc_all(struct dso *p)
if (p->relro_start != p->relro_end && if (p->relro_start != p->relro_end &&
mprotect(p->base+p->relro_start, p->relro_end-p->relro_start, PROT_READ) < 0) { mprotect(p->base+p->relro_start, p->relro_end-p->relro_start, PROT_READ) < 0) {
snprintf(errbuf, sizeof errbuf, snprintf(errbuf, sizeof errbuf,
"Error relocating %s: RELRO protection failed", "Error relocating %s: RELRO protection failed: %m",
p->name); p->name);
if (runtime) longjmp(*rtld_fail, 1); if (runtime) longjmp(*rtld_fail, 1);
dprintf(2, "%s\n", errbuf); dprintf(2, "%s\n", errbuf);