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Fix: consumer snapshot: handle unsigned long overflow
[lttng-tools.git]
/
src
/
common
/
ust-consumer
/
ust-consumer.c
diff --git
a/src/common/ust-consumer/ust-consumer.c
b/src/common/ust-consumer/ust-consumer.c
index baa81d450aae793b084d2450450d0f793b7b9d20..071276042a443297560b734ef4cf276f517aab25 100644
(file)
--- a/
src/common/ust-consumer/ust-consumer.c
+++ b/
src/common/ust-consumer/ust-consumer.c
@@
-1180,7
+1180,7
@@
static int snapshot_channel(uint64_t key, char *path, uint64_t relayd_id,
produced_pos, nb_packets_per_stream,
stream->max_sb_size);
- while (
consumed_pos < produced_pos
) {
+ while (
(long) (consumed_pos - produced_pos) < 0
) {
ssize_t read_len;
unsigned long len, padded_len;
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