xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

perf tool: Make perf tool aware of SELinux access control

Browse Source 
Implement selinux sysfs check to see the system is in enforcing mode and
print warning message with pointer to check audit logs.

Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-security-module@vger.kernel.org
Cc: selinux@vger.kernel.org
Link: http://lore.kernel.org/lkml/819338ce-d160-4a2f-f1aa-d756a2e7c6fc@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Alexey Budankov
2020-04-30 10:15:57 +03:00
committed by Arnaldo Carvalho de Melo
parent a885f3cc6f
commit c1034eb069
2 changed files with 26 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
tools/perf/util/cloexec.c
View File

@@ -65,7 +65,7 @@ static int perf_flag_probe(void)
return 1;
}
WARN_ONCE(err != EINVAL && err != EBUSY,
WARN_ONCE(err != EINVAL && err != EBUSY && err != EACCES,
"perf_event_open(..., PERF_FLAG_FD_CLOEXEC) failed with unexpected error %d (%s)\n",
err, str_error_r(err, sbuf, sizeof(sbuf)));
@@ -83,7 +83,7 @@ static int perf_flag_probe(void)
if (fd >= 0)
close(fd);
if (WARN_ONCE(fd < 0 && err != EBUSY,
if (WARN_ONCE(fd < 0 && err != EBUSY && err != EACCES,
"perf_event_open(..., 0) failed unexpectedly with error %d (%s)\n",
err, str_error_r(err, sbuf, sizeof(sbuf))))
return -1;