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| author | Roman Pen <r.peniaev@gmail.com> | 2016-04-23 13:44:08 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-04-25 08:53:16 -0600 |
| commit | f6541f75f2822252b057f08e9f5f0c40d4079a8c (patch) | |
| tree | 95fbcb4026f6fb812f638c3d8a02605a426446e2 | |
| parent | 80c4041b2e7a7d5afb75df563bf51bb27773c095 (diff) | |
| download | blktrace-f6541f75f2822252b057f08e9f5f0c40d4079a8c.tar.gz | |
btreplay: fix memory corruption caused by CPU_ZERO_S
Size should be provided, not cpus number.
Signed-off-by: Roman Pen <r.peniaev@gmail.com>
Cc: Jens Axboe <axboe@fb.com>
Cc: <linux-btrace@vger.kernel.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
| -rw-r--r-- | btreplay/btreplay.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/btreplay/btreplay.c b/btreplay/btreplay.c index 6d19564..2a1525e 100644 --- a/btreplay/btreplay.c +++ b/btreplay/btreplay.c @@ -550,7 +550,7 @@ static void pin_to_cpu(struct thr_info *tip) assert(0 <= tip->cpu && tip->cpu < ncpus); - CPU_ZERO_S(ncpus, cpus); + CPU_ZERO_S(size, cpus); CPU_SET_S(tip->cpu, size, cpus); if (sched_setaffinity(getpid(), size, cpus)) { fatal("sched_setaffinity", ERR_SYSCALL, "Failed to pin CPU\n"); |