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Fix a seg-fault disassembling a corrupt binary.

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PR binutils/20892
	* aoutx.h (find_nearest_line): Handle the case where the function
	name is empty.
This commit is contained in:
Nick Clifton 2016-12-01 10:49:39 +00:00
parent 6d6ad65b43
commit e82ab856bb
2 changed files with 10 additions and 0 deletions
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4
bfd/ChangeLog
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@ -4,6 +4,10 @@
* aoutx.h (find_nearest_line): Handle the case where the main file
name and the directory name are both empty.
PR binutils/20892
* aoutx.h (find_nearest_line): Handle the case where the function
name is empty.
2016-11-30 Alan Modra <amodra@gmail.com>
* elf.c (get_program_header_size): Revert accidental change.

6
bfd/aoutx.h
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@ -2830,6 +2830,12 @@ NAME (aout, find_nearest_line) (bfd *abfd,
const char *function = func->name;
char *colon;
if (buf == NULL)
{
/* PR binutils/20892: In a corrupt input file func can be empty. */
* functionname_ptr = NULL;
return TRUE;
}
/* The caller expects a symbol name. We actually have a
function name, without the leading underscore. Put the
underscore back in, so that the caller gets a symbol name. */