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Fix memory access violations uncovered by running the dlltool on fuzzed binaries.

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PR binutils/17512
	* dlltool.c (scan_obj_file): Break loop if the last archive
	displayed matches the current archive.
This commit is contained in:
Nick Clifton
2015-01-07 17:33:17 +00:00
parent c88f5b8e49
commit d7b24d2941
2 changed files with 6 additions and 0 deletions
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binutils/ChangeLog
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@ -1,6 +1,9 @@
2015-01-07 Nick Clifton <nickc@redhat.com> 2015-01-07 Nick Clifton <nickc@redhat.com>
PR binutils/17512 PR binutils/17512
* dlltool.c (scan_obj_file): Break loop if the last archive
displayed matches the current archive.
* objdump.c (display_any_bfd): Add a depth limit to nested archive * objdump.c (display_any_bfd): Add a depth limit to nested archive
display in order to avoid infinite loops. display in order to avoid infinite loops.
* srconv.c: Replace calls to abort with calls to fatal with an * srconv.c: Replace calls to abort with calls to fatal with an

3
binutils/dlltool.c
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@ -1699,6 +1699,9 @@ scan_obj_file (const char *filename)
scan_open_obj_file (arfile); scan_open_obj_file (arfile);
next = bfd_openr_next_archived_file (f, arfile); next = bfd_openr_next_archived_file (f, arfile);
bfd_close (arfile); bfd_close (arfile);
/* PR 17512: file: 58715298. */
if (next == arfile)
break;
arfile = next; arfile = next;
} }