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macro.c:871 heap-buffer-overflow

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PR 32391 commit 9f2e3c21f6 fallout again.  Also fix another 'macro'
may be used uninitialized.
This commit is contained in:
Alan Modra 2024-12-26 07:19:24 +10:30
parent 578c704c8e
commit 6d9b766797
1 changed files with 2 additions and 2 deletions
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4
gas/macro.c
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@ -868,7 +868,7 @@ sub_actual (size_t start, sb *in, sb *t, struct htab *formal_hash,
/* The parent's FORMALs might contain parameters that need further
substitution. See gas/testsuite/gas/arm/macro-vld1.s for an
example of this. */
if (strchr (add->ptr, '\\'))
if (memchr (add->ptr, '\\', add->len))
{
sb newadd;
@ -1485,7 +1485,7 @@ delete_macro (const char *name)
}
}
if (macro == NULL)
if (j < 0)
as_warn (_("Attempt to purge non-existing macro `%s'"), copy);
free (copy);