Telodendria/Cytoplasm
Telodendria/Cytoplasm
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Fix LMDB use-after-free #53

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jordan merged 1 commit from lda/Cytoplasm:fix-deadlock into master 2024-09-14 00:11:14 +00:00
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1 changed files with 2 additions and 1 deletions
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3
src/Db/LMDB.c
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@ -293,6 +293,7 @@ LMDBUnlock(Db *d, DbRef *r)
Stream *stream; Stream *stream;
MDB_val key, val; MDB_val key, val;
bool ret = true; bool ret = true;
DbHint hint = r ? r->hint : 0;
if (!d || !r) if (!d || !r)
{ {
@ -324,7 +325,7 @@ LMDBUnlock(Db *d, DbRef *r)
{ {
free(val.mv_data); free(val.mv_data);
} }
if (ret && r->hint == DB_HINT_WRITE) if (ret && hint == DB_HINT_WRITE)
{ {
pthread_mutex_unlock(&d->lock); pthread_mutex_unlock(&d->lock);
} }