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asan: som: unknown read

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* som.c (setup_sections): Sanity check subspace.name.
This commit is contained in:
Alan Modra 2020-03-11 22:59:07 +10:30
parent 44f41bb7a1
commit 8248d21a5b
2 changed files with 7 additions and 0 deletions
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4
bfd/ChangeLog
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@ -1,3 +1,7 @@
2020-03-11 Alan Modra <amodra@gmail.com>
* som.c (setup_sections): Sanity check subspace.name.
2020-03-11 Alan Modra <amodra@gmail.com>
* elf64-ppc.c (ppc64_elf_inline_plt): Do increment rel in for loop.

3
bfd/som.c
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@ -2197,6 +2197,9 @@ setup_sections (bfd *abfd,
som_swap_subspace_dictionary_in (&ext_subspace, &subspace);
/* Setup the subspace name string. */
if (subspace.name >= file_hdr->space_strings_size)
goto error_return;
subspace_name = subspace.name + space_strings;
amt = strlen (subspace_name) + 1;