xcoff slurp_armap bounds checking

[deliverable/binutils-gdb.git] / bfd / ChangeLog

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+2019-12-18  Alan Modra  <amodra@gmail.com>
+
+       * coff-rs6000.c (_bfd_xcoff_slurp_armap): Don't overflow when
+       checking symbol count against section size.  Guard against strlen
+       running off end of buffer by allocating one more byte and zeroing.
+       * coff64-rs6000.c (xcoff64_slurp_armap): Likewise.
+
 2019-12-18  Alan Modra  <amodra@gmail.com>
 
        * elf32-ppc.c (ppc_elf_get_synthetic_symtab): Use size_t for vars.