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signals: Sanitize j loop control variable

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Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Pavel Emelyanov 2014-08-19 15:17:55 +04:00
parent f9ebd18354
commit 11fc475853
1 changed files with 5 additions and 4 deletions
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9
cr-dump.c
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@ -1162,7 +1162,7 @@ err:
static int dump_signal_queue(pid_t tid, SignalQueueEntry **sqe, bool group)
{
struct ptrace_peeksiginfo_args arg;
int ret, j;
int ret;
SignalQueueEntry *queue = NULL;
pr_debug("Dump %s signals of %d\n", group ? "shared" : "private", tid);
@ -1180,7 +1180,7 @@ static int dump_signal_queue(pid_t tid, SignalQueueEntry **sqe, bool group)
signal_queue_entry__init(queue);
for (; ; ) {
int nr;
int nr, si_pos;
siginfo_t *si;
si = xmalloc(SI_BATCH * sizeof(*si));
@ -1209,7 +1209,8 @@ static int dump_signal_queue(pid_t tid, SignalQueueEntry **sqe, bool group)
break;
}
for (j = queue->n_signals - nr; j < queue->n_signals; j++) {
for (si_pos = queue->n_signals - nr;
si_pos < queue->n_signals; si_pos++) {
SiginfoEntry *se;
se = xmalloc(sizeof(*se));
@ -1223,7 +1224,7 @@ static int dump_signal_queue(pid_t tid, SignalQueueEntry **sqe, bool group)
se->siginfo.data = (void *)si++; /* XXX we don't free cores, but when
* we will, this would cause problems
*/
queue->signals[j] = se;
queue->signals[si_pos] = se;
}
if (ret < 0)