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Throw in a few more checks in ElfReader

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This commit is contained in:
Henrik Rydgård 2017-05-24 20:45:29 +02:00
parent 7d0cfbabe7
commit 875e7f0372
1 changed files with 8 additions and 0 deletions
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8
Core/ELF/ElfReader.cpp
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@ -262,6 +262,10 @@ void ElfReader::LoadRelocations2(int rel_seg)
}else{ }else{
addr_seg = seg; addr_seg = seg;
relocate_to = segmentVAddr[addr_seg]; relocate_to = segmentVAddr[addr_seg];
if (!Memory::IsValidAddress(relocate_to)) {
ERROR_LOG(LOADER, "ELF: Bad address to relocate to: %08x", relocate_to);
continue;
}
if((flag&0x06)==0x00){ if((flag&0x06)==0x00){
rel_offset = cmd; rel_offset = cmd;
@ -290,6 +294,10 @@ void ElfReader::LoadRelocations2(int rel_seg)
rel_offset = rel_base+segmentVAddr[off_seg]; rel_offset = rel_base+segmentVAddr[off_seg];
if (!Memory::IsValidAddress(relocate_to)) {
ERROR_LOG(LOADER, "ELF: Bad rel_offset: %08x", rel_offset);
continue;
}
if((flag&0x38)==0x00){ if((flag&0x38)==0x00){
lo16 = 0; lo16 = 0;