28 lines
827 B
Diff
28 lines
827 B
Diff
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commit 2b16a9be69939822dcafe075413468daac98b327
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Author: Mark Wielaard <mark@klomp.org>
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Date: Thu Oct 18 19:01:52 2018 +0200
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arlib: Check that sh_entsize isn't zero.
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A bogus ELF file could have sh_entsize as zero. Don't divide by zero,
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but just assume there are no symbols in the section.
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https://sourceware.org/bugzilla/show_bug.cgi?id=23786
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Signed-off-by: Mark Wielaard <mark@klomp.org>
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diff --git a/src/arlib.c b/src/arlib.c
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index 778e087..a6521e3 100644
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--- a/src/arlib.c
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+++ b/src/arlib.c
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@@ -252,6 +252,9 @@ arlib_add_symbols (Elf *elf, const char *arfname, const char *membername,
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if (data == NULL)
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continue;
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+ if (shdr->sh_entsize == 0)
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+ continue;
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+
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int nsyms = shdr->sh_size / shdr->sh_entsize;
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for (int ndx = shdr->sh_info; ndx < nsyms; ++ndx)
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{
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