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Fix CacheBuffer::m_mem use-after-free - #930

Merged

shosseinimotlagh merged 20 commits into

eBay:stable/v3.8.xfrom

raakella1:fix/memvec-uaf-race

Oct 1, 2026

Commits on Sep 17, 2026
- fix: prevent MemVector UAF in CacheBuffer by locking m_mem access
  
  raakella1
  and
  claude
  committed
  0e3f2f1
- fix: also use get_memvec_intrusive in writeBack_cache refresh_buf
  
  raakella1
  and
  claude
  committed
  bd44021
- Revert "fix: also use get_memvec_intrusive in writeBack_cache refresh_buf"
  raakella1
  committed
  df918e1
- cache: replace std::shared_mutex with folly::SharedMutexReadPriority for m_mem_mtx
  
  raakella1
  and
  claude
  committed
  ee7c5e7
Commits on Sep 23, 2026
- cache: fix CacheBuffer::m_mem data race (Race A) and add regression tests
  shosseinimotlagh
  committed
  fd852ba
- Merge pull request #1 from shosseinimotlagh/fix/memvec-uaf-race
  raakella1
  authored
  fd886bd
Commits on Sep 28, 2026
- cache: keep MemVector alive through at_offset()'s returned blob
  
  raakella1
  and
  claude
  committed
  7734123
Commits on Sep 29, 2026
- Merge pull request #2 from raakella1/fix/memvec-uaf-blob-view
  raakella1
  authored
  c4fb386
- use folly::shared_mutex which is just 4 bytes in size
  raakella1
  committed
  20fff05
Commits on Sep 30, 2026
- disable the release_cache_after_recovery flag by default
  
  raakella1
  authored and
  shosseinimotlagh
  committed
  08984ab
Commits on Oct 1, 2026