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PR26441, ASAN: get_b_cc tc-cr16.c:1521

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PR 26441
	* config/tc-cr16.c (get_b_cc): Return NULL early if op isn't
	two or three chars, and don't bother copying.
This commit is contained in:
Alan Modra 2020-08-25 15:34:10 +09:30
parent 0c1438eb15
commit d3e0baddb2
2 changed files with 9 additions and 6 deletions
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6
gas/ChangeLog
View File

@ -1,3 +1,9 @@
2020-08-25 Alan Modra <amodra@gmail.com>
PR 26441
* config/tc-cr16.c (get_b_cc): Return NULL early if op isn't
two or three chars, and don't bother copying.
2020-08-25 Alan Modra <amodra@gmail.com>
PR 26426

9
gas/config/tc-cr16.c
View File

@ -1513,15 +1513,12 @@ static char *
get_b_cc (char * op)
{
unsigned int i;
char op1[5];
for (i = 1; i < strlen (op); i++)
op1[i-1] = op[i];
op1[i-1] = '\0';
if (op[1] == 0 || (op[2] != 0 && op[3] != 0))
return NULL;
for (i = 0; i < cr16_num_cc ; i++)
if (streq (op1, cr16_b_cond_tab[i]))
if (streq (op + 1, cr16_b_cond_tab[i]))
return (char *) cr16_b_cond_tab[i];
return NULL;