Handle invalid data during job loading.

Catch exceptions that may be thrown if invalid data ended up in the
persisted job file.

Bug: 246541702
Bug: 246542132
Bug: 246542285
Bug: 246542330
Test: install test app with invalid job config, start app to schedule job, then reboot device
Change-Id: Id0ceba345942baf21177f687b8dd85ef001c0a9e
(cherry picked from commit c98fb42b48)
Merged-In: Id0ceba345942baf21177f687b8dd85ef001c0a9e
This commit is contained in:
Kweku Adams
2022-09-21 22:13:01 +00:00
parent 415d288b12
commit df1ba00dd9

View File

@@ -687,6 +687,10 @@ public final class JobStore {
}
} catch (XmlPullParserException | IOException e) {
Slog.wtf(TAG, "Error jobstore xml.", e);
} catch (Exception e) {
// Crashing at this point would result in a boot loop, so live with a general
// Exception for system stability's sake.
Slog.wtf(TAG, "Unexpected exception", e);
} finally {
if (mPersistInfo.countAllJobsLoaded < 0) { // Only set them once.
mPersistInfo.countAllJobsLoaded = numJobs;
@@ -817,6 +821,15 @@ public final class JobStore {
} catch (NumberFormatException e) {
Slog.d(TAG, "Error reading constraints, skipping.");
return null;
} catch (XmlPullParserException e) {
Slog.d(TAG, "Error Parser Exception.", e);
return null;
} catch (IOException e) {
Slog.d(TAG, "Error I/O Exception.", e);
return null;
} catch (IllegalArgumentException e) {
Slog.e(TAG, "Constraints contained invalid data", e);
return null;
}
parser.next(); // Consume </constraints>
@@ -912,8 +925,14 @@ public final class JobStore {
return null;
}
PersistableBundle extras = PersistableBundle.restoreFromXml(parser);
jobBuilder.setExtras(extras);
final PersistableBundle extras;
try {
extras = PersistableBundle.restoreFromXml(parser);
jobBuilder.setExtras(extras);
} catch (IllegalArgumentException e) {
Slog.e(TAG, "Persisted extras contained invalid data", e);
return null;
}
parser.nextTag(); // Consume </extras>
final JobInfo builtJob;
@@ -959,7 +978,8 @@ public final class JobStore {
return new JobInfo.Builder(jobId, cname);
}
private void buildConstraintsFromXml(JobInfo.Builder jobBuilder, XmlPullParser parser) {
private void buildConstraintsFromXml(JobInfo.Builder jobBuilder, XmlPullParser parser)
throws XmlPullParserException, IOException {
String val;
final String netCapabilities = parser.getAttributeValue(null, "net-capabilities");