mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-08-30 13:23:02 -04:00
Code Issues Packages Projects Releases Wiki Activity

perf sched: Fix memory leaks in perf sched stats report

Browse Source 
The second pass data is not saved in the list and only used to calculate
delta from the first pass.  Let's free the data after use.

Fixes: 5a357ae6ad ("perf sched stats: Add support for report subcommand")
Reviewed-and-tested-by: Swapnil Sapkal <swapnil.sapkal@amd.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Namhyung Kim
2026-07-13 16:45:35 -07:00
parent 2bd4ad6914
commit 60de2c6561
1 changed files with 4 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
tools/perf/builtin-sched.c
View File

@@ -4631,6 +4631,8 @@ static int perf_sched__process_schedstat(const struct perf_tool *tool __maybe_un
domain_second_pass = list_first_entry(&cpu_second_pass->domain_head,
struct schedstat_domain, domain_list);
store_schedstat_cpu_diff(temp);
free(temp->cpu_data);
free(temp);
}
} else if (event->header.type == PERF_RECORD_SCHEDSTAT_DOMAIN) {
struct schedstat_cpu *cpu_tail;
@@ -4651,6 +4653,8 @@ static int perf_sched__process_schedstat(const struct perf_tool *tool __maybe_un
} else {
store_schedstat_domain_diff(temp);
domain_second_pass = list_next_entry(domain_second_pass, domain_list);
free(temp->domain_data);
free(temp);
}
}