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dont assume in-bounds intel pdata ranges

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Ryan Fleury
2024-01-23 15:45:21 -08:00
parent 140c8a3fee
commit 94b1888073
1 changed files with 1 additions and 1 deletions
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src/pe/pe.c
+1 -1
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@@ -244,7 +244,7 @@ pe_intel_pdata_off_from_voff__binary_search(String8 data, PE_BinInfo *bin, U64 v
U64 pdata_count = (range.max - range.min)/sizeof(PE_IntelPdata); U64 pdata_count = (range.max - range.min)/sizeof(PE_IntelPdata);
// check if this bin includes a pdata array // check if this bin includes a pdata array
if(pdata_count > 0) if(pdata_count > 0 && 0 <= pdata_off && pdata_off < data.size)
{ {
PE_IntelPdata *pdata_array = (PE_IntelPdata*)(data.str + pdata_off); PE_IntelPdata *pdata_array = (PE_IntelPdata*)(data.str + pdata_off);
if(voff >= pdata_array[0].voff_first) if(voff >= pdata_array[0].voff_first)