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Merge pull request #17116 from Synesis-LLC/fix-20934

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rgw: Prevent overflow of cached stats values

Reviewed-by: Orit Wasserman <owasserm@redhat.com>
This commit is contained in:
Yuri Weinstein 2017-08-22 09:56:34 -07:00 committed by GitHub
commit fb90cbbd95
1 changed files with 3 additions and 3 deletions
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6
src/rgw/rgw_quota.cc
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@ -241,19 +241,19 @@ public:
const uint64_t rounded_added = rgw_rounded_objsize(added_bytes);
const uint64_t rounded_removed = rgw_rounded_objsize(removed_bytes);
if ((entry->stats.size + added_bytes - removed_bytes) >= 0) {
if (((int64_t)(entry->stats.size + added_bytes - removed_bytes)) >= 0) {
entry->stats.size += added_bytes - removed_bytes;
} else {
entry->stats.size = 0;
}
if ((entry->stats.size_rounded + rounded_added - rounded_removed) >= 0) {
if (((int64_t)(entry->stats.size_rounded + rounded_added - rounded_removed)) >= 0) {
entry->stats.size_rounded += rounded_added - rounded_removed;
} else {
entry->stats.size_rounded = 0;
}
if ((entry->stats.num_objects + objs_delta) >= 0) {
if (((int64_t)(entry->stats.num_objects + objs_delta)) >= 0) {
entry->stats.num_objects += objs_delta;
} else {
entry->stats.num_objects = 0;