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examples/exception_path: fix out-of-bounds read

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When printing out stats from the exception_path app, all possible
lcore_ids are iterated. However, the app only supports up to 64 cores.
To prevent possible errors, and to remove coverity warnings,
explicitly check for out-of-range lcore ids before printing.

Coverity issue: 268335
Fixes: af75078fec ("first public release")
Cc: stable@dpdk.org

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
This commit is contained in:
Bruce Richardson 2018-07-16 17:03:47 +01:00 committed by Thomas Monjalon
parent 2e9bf3a12a
commit 4341adf272
1 changed files with 3 additions and 0 deletions
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3
examples/exception_path/main.c
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@ -131,6 +131,9 @@ print_stats(void)
" Lcore Port RX TX Dropped on TX\n"
"------- ------ ------------ ------------ ---------------\n");
RTE_LCORE_FOREACH(i) {
/* limit ourselves to application supported cores only */
if (i >= APP_MAX_LCORE)
break;
printf("%6u %7u %13"PRIu64" %13"PRIu64" %16"PRIu64"\n",
i, (unsigned)port_ids[i],
lcore_stats[i].rx, lcore_stats[i].tx,