M-Labs
/
artiq
mirror of https://github.com/m-labs/artiq.git
2
0
Fork 2
Code Issues Projects Releases Wiki Activity

runtime/artiq_personality.c: don't dereference nonexistent typeInfoPtr.

This commit is contained in:
whitequark 2015-12-31 21:16:18 +08:00
parent 51e966edf2
commit f9e90d90fa
1 changed files with 12 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
artiq/runtime/artiq_personality.c
View File

@ -415,6 +415,7 @@ _Unwind_Reason_Code __artiq_personality(
(void*)typeInfoOffset, (void*)actionOffset);
EH_ASSERT((typeInfoOffset >= 0) && "Filter clauses are not supported");
if(typeInfoOffset > 0) {
unsigned encodingSize = getEncodingSize(ttypeEncoding);
const uint8_t *typeInfoPtrPtr = classInfo - typeInfoOffset * encodingSize;
uintptr_t typeInfoPtr = readEncodedPointer(&typeInfoPtrPtr, ttypeEncoding);
@ -427,6 +428,7 @@ _Unwind_Reason_Code __artiq_personality(
exceptionMatched = 1;
break;
}
}
if (!actionOffset)
break;