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authorNick Clifton <nickc@redhat.com>2015-01-05 23:13:50 +0000
committerNick Clifton <nickc@redhat.com>2015-01-05 23:13:50 +0000
commit896ca0981329171639b1fe0b934393a79ef4fdfb (patch)
treeac6f2a1d6ab8084254dac309ba83173eb962d5c2 /binutils/size.c
parent82b1b41bcdc6d01fdbd94b246e24a8a8f8c2bddd (diff)
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More fixes for invalid memory accesses triggered by fuzzed binaries.
PR binutils/17512 * nm.c (print_symbol): Add 'is_synthetic' parameter. Use it to help initialize the info.elfinfo field. (print_size_symbols): Add 'synth_count' parameter. Use it to set the is_synthetic parameter when calling print_symbol. (print_symbols): Likewise. (display_rel_file): Pass synth_count to printing function. (display_archive): Break loop if the last archive displayed matches the current archive. * size.c (display_archive): Likewise. * archive.c (do_slurp_bsd_armap): Make sure that the parsed sized is at least big enough for the header to be read. * elf32-i386.c (elf_i386_get_plt_sym_val): Skip unknown relocs. * mach-o.c (bfd_mach_o_get_synthetic_symtab): Add range checks. (bfd_mach_o_read_command): Prevetn duplicate error messages about unrecognized commands. * syms.c (_bfd_stab_section_find_nearest_line): Add range checks when indexing into the string table.
Diffstat (limited to 'binutils/size.c')
-rw-r--r--binutils/size.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/binutils/size.c b/binutils/size.c
index 1035f2b..465603f 100644
--- a/binutils/size.c
+++ b/binutils/size.c
@@ -365,7 +365,14 @@ display_archive (bfd *file)
display_bfd (arfile);
if (last_arfile != NULL)
- bfd_close (last_arfile);
+ {
+ bfd_close (last_arfile);
+
+ /* PR 17512: file: a244edbc. */
+ if (last_arfile == arfile)
+ return;
+ }
+
last_arfile = arfile;
}