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* objcopy.c (add_redefine_syms_file): Avoid symbol buffer

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overrun.
This commit is contained in:
Nick Clifton
2009-12-31 14:40:36 +00:00
parent 0ee19663b7
commit a6da20b52c
2 changed files with 9 additions and 3 deletions
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6
binutils/ChangeLog
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@ -1,3 +1,9 @@
2009-12-31 Eirik Byrkjeflot Anonsen <eirik@opera.com>
Nick Clifton <nickc@redhat.com>
* objcopy.c (add_redefine_syms_file): Avoid symbol buffer
overrun.
2009-12-21 Alan Modra <amodra@gmail.com> 2009-12-21 Alan Modra <amodra@gmail.com>
* MAINTAINERS: Update my email address. * MAINTAINERS: Update my email address.

6
binutils/objcopy.c
View File

@ -1232,7 +1232,7 @@ add_redefine_syms_file (const char *filename)
filename, strerror (errno)); filename, strerror (errno));
bufsize = 100; bufsize = 100;
buf = (char *) xmalloc (bufsize); buf = (char *) xmalloc (bufsize + 1 /* For the terminating NUL. */);
lineno = 1; lineno = 1;
c = getc (file); c = getc (file);
@ -1249,7 +1249,7 @@ add_redefine_syms_file (const char *filename)
if (len >= bufsize) if (len >= bufsize)
{ {
bufsize *= 2; bufsize *= 2;
buf = (char *) xrealloc (buf, bufsize); buf = (char *) xrealloc (buf, bufsize + 1);
} }
c = getc (file); c = getc (file);
} }
@ -1275,7 +1275,7 @@ add_redefine_syms_file (const char *filename)
if (len >= bufsize) if (len >= bufsize)
{ {
bufsize *= 2; bufsize *= 2;
buf = (char *) xrealloc (buf, bufsize); buf = (char *) xrealloc (buf, bufsize + 1);
} }
c = getc (file); c = getc (file);
} }