commit 2b16a9be69939822dcafe075413468daac98b327

Author: Mark Wielaard <mark@klomp.org>

Date:   Thu Oct 18 19:01:52 2018 +0200

    arlib: Check that sh_entsize isn't zero.

    A bogus ELF file could have sh_entsize as zero. Don't divide by zero,

    but just assume there are no symbols in the section.

    https://sourceware.org/bugzilla/show_bug.cgi?id=23786

    Signed-off-by: Mark Wielaard <mark@klomp.org>

diff --git a/src/arlib.c b/src/arlib.c

index 778e087..a6521e3 100644

--- a/src/arlib.c

+++ b/src/arlib.c

@@ -252,6 +252,9 @@ arlib_add_symbols (Elf *elf, const char *arfname, const char *membername,

       if (data == NULL)

 	continue;

+      if (shdr->sh_entsize == 0)

+	continue;

+

       int nsyms = shdr->sh_size / shdr->sh_entsize;

       for (int ndx = shdr->sh_info; ndx < nsyms; ++ndx)

 	{