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| author | Alan Modra <amodra@gmail.com> | 2020-08-25 15:34:10 +0930 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2020-08-25 23:07:10 +0930 |
| commit | d3e0baddb206bc7c5ad5beb0c4ac3db8a5feb889 (patch) | |
| tree | cdad75697a4e556751dad03949f20f493968fbfa /gas/config/tc-cr16.c | |
| parent | 0c1438eb15a31098ba42427e0f48e4e5cc6bfe0b (diff) | |
| download | binutils-d3e0baddb206bc7c5ad5beb0c4ac3db8a5feb889.zip binutils-d3e0baddb206bc7c5ad5beb0c4ac3db8a5feb889.tar.gz binutils-d3e0baddb206bc7c5ad5beb0c4ac3db8a5feb889.tar.bz2 | |
PR26441, ASAN: get_b_cc tc-cr16.c:1521
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.
Diffstat (limited to 'gas/config/tc-cr16.c')
| -rw-r--r-- | gas/config/tc-cr16.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/gas/config/tc-cr16.c b/gas/config/tc-cr16.c index e85e5fa..32eda77 100644 --- a/gas/config/tc-cr16.c +++ b/gas/config/tc-cr16.c @@ -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; |