[compiler-rt] [asan] Add experimental 'track_poison' flag (PR #133175)
Vitaly Buka via llvm-commits
llvm-commits at lists.llvm.org
Fri Mar 28 17:02:57 PDT 2025
================
@@ -600,6 +602,43 @@ static void PrintShadowMemoryForAddress(uptr addr) {
Printf("%s", str.data());
}
+static void CheckPoisonRecords(uptr addr) {
+ if (!AddrIsInMem(addr))
+ return;
+ uptr shadow_addr = MemToShadow(addr);
+ unsigned char poison_magic = *(reinterpret_cast<u8 *>(shadow_addr));
+
+ if (poison_magic != kAsanUserPoisonedMemoryMagic)
+ return;
+
+ PoisonRecordRingBuffer *PoisonRecord = AcquirePoisonRecords();
----------------
vitalybuka wrote:
case style in inconsistent
here we use Google style when variables are start lowercase with snake style.
https://github.com/llvm/llvm-project/pull/133175
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