src: fix startup snapshot reproducibility of InternalFieldInfo - #65684
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legendecas wants to merge 1 commit into
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src: fix startup snapshot reproducibility of InternalFieldInfo#65684legendecas wants to merge 1 commit into
legendecas wants to merge 1 commit into
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`memset` before a placement `new` can be optimized away by GCC due to lifetime analysis. This causes the buffer in the startup snapshot vulnerable to ASLR. Signed-off-by: Chengzhong Wu <cwu631@bloomberg.net>
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #65684 +/- ##
==========================================
- Coverage 90.07% 90.06% -0.01%
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Files 751 754 +3
Lines 254986 256369 +1383
Branches 48147 48490 +343
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+ Hits 229681 230909 +1228
- Misses 16492 16570 +78
- Partials 8813 8890 +77
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memsetbefore a placementnewcan be optimized away by GCC due tolifetime analysis. This causes the buffer in the startup snapshot
vulnerable to ASLR.
Fixes: #65508