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ITS#8347 fix off-by-one in VL32 purge

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This commit is contained in:
Howard Chu 2016-01-11 20:25:33 +00:00
parent 447683a824
commit a5bf1648c6
1 changed files with 2 additions and 2 deletions
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4
libraries/liblmdb/mdb.c
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@ -5766,7 +5766,7 @@ notlocal:
pthread_mutex_lock(&env->me_rpmutex);
retry:
y = 0;
for (i=1; i<tl[0].mid; i++) {
for (i=1; i<=tl[0].mid; i++) {
if (!tl[i].mref) {
if (!y) y = i;
/* tmp overflow pages don't go to env */
@ -5846,7 +5846,7 @@ retry:
if (el[0].mid >= MDB_ERPAGE_MAX - env->me_rpcheck) {
/* purge unref'd pages */
unsigned i, y = 0;
for (i=1; i<el[0].mid; i++) {
for (i=1; i<=el[0].mid; i++) {
if (!el[i].mref) {
if (!y) y = i;
munmap(el[i].mptr, env->me_psize * el[i].mcnt);