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author | android-build-team Robot <android-build-team-robot@google.com> | 2018-09-11 23:09:05 +0000 |
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committer | android-build-team Robot <android-build-team-robot@google.com> | 2018-09-11 23:09:05 +0000 |
commit | 9e6ee5969c0dfaa2b35ccd7ce5958bf9ffc7eeca (patch) | |
tree | ee48f4439cd4fd6a83adb8585c29d33ec3d0cfdc | |
parent | c4b4c545341a7cb6565a5661c59bd07c713283a3 (diff) | |
parent | 0fbe6200eabb68f31aea0377fa1ead8b496fffd6 (diff) | |
download | sonivox-oreo-m8-release.tar.gz |
Merge cherrypicks of [4995494, 4995495, 4995496, 4995497, 4997652, 4997881, 4997052, 4997883, 4995518, 4997653, 4997654] into oc-m8-releaseandroid-8.1.0_r67android-8.1.0_r65android-8.1.0_r64android-8.1.0_r63android-8.1.0_r62android-8.1.0_r61android-8.1.0_r60android-8.1.0_r53android-8.1.0_r51oreo-m8-release
Change-Id: I07fac7857786280ae052a33787c6ca32bc7edf7f
-rw-r--r-- | arm-wt-22k/lib_src/eas_public.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/arm-wt-22k/lib_src/eas_public.c b/arm-wt-22k/lib_src/eas_public.c index eb41113..19481b5 100644 --- a/arm-wt-22k/lib_src/eas_public.c +++ b/arm-wt-22k/lib_src/eas_public.c @@ -1247,12 +1247,13 @@ static EAS_RESULT EAS_ParseEvents (S_EAS_DATA *pEASData, EAS_HANDLE pStream, EAS EAS_BOOL done; EAS_INT yieldCount = YIELD_EVENT_COUNT; EAS_U32 time = 0; + // This constant is the maximum number of events that can be processed in a single time slice. // A typical ringtone will contain a few events per time slice. // Extremely dense ringtones might go up to 50 events. // If we see this many events then the file is probably stuck in an infinite loop - // and should be aborted. In our testing, it took less than 100 msec to hit this limit. - static const EAS_INT MAX_EVENT_COUNT = 50000; + // and should be aborted. + static const EAS_INT MAX_EVENT_COUNT = 100000; EAS_INT eventCount = 0; /* does this parser have a time function? */ @@ -1308,10 +1309,14 @@ static EAS_RESULT EAS_ParseEvents (S_EAS_DATA *pEASData, EAS_HANDLE pStream, EAS return result; } } - // An infinite loop within a single frame of a ringtone file can cause this function + + // An infinite loop within a ringtone file can cause this function // to loop forever. Try to detect that and return an error. - if (++eventCount >= MAX_EVENT_COUNT) { - ALOGE("%s() aborting, %d events without advancing to next frame", + // Only check when playing. Otherwise a very large file could be rejected + // when scanning the entire file in a single call to this function. + // OTA files will only do infinite loops when in eParserModePlay. + if (++eventCount >= MAX_EVENT_COUNT && parseMode == eParserModePlay) { + ALOGE("%s() aborting, %d events. Infinite loop in song file?!", __func__, eventCount); android_errorWriteLog(0x534e4554, "68664359"); return EAS_ERROR_FILE_POS; |