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Fix segmentation fault when trying to clone non-instantiated object.
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This commit is contained in:
Rafal Kupiec 2019-04-24 16:51:43 +02:00
parent 555234e381
commit 5b0b965199
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
1 changed files with 1 additions and 1 deletions
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2
engine/vm.c
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@ -4553,7 +4553,7 @@ static sxi32 VmByteCodeExec(
}
#endif
/* Make sure we are dealing with a class instance */
if((pTos->iFlags & MEMOBJ_OBJ) == 0) {
if((pTos->iFlags & MEMOBJ_OBJ) == 0 || pTos->x.pOther == 0) {
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR,
"Clone: Expecting a class instance as left operand");
PH7_MemObjRelease(pTos);