flow/manager: fix prealloc unhandled division by 0 (60x backports) - v1 #8637
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Updated all cases where flow_config.prealloc was used in a division.
*** CID 1524506: Integer handling issues (DIVIDE_BY_ZERO)
/src/flow-manager.c: 858 in FlowManager()
852 "flow_spare_q status: %" PRIu32 "%% flows at the queue",
853 spare_pool_len, flow_config.prealloc,
854 spare_pool_len * 100 / flow_config.prealloc);
855
856 /* only if we have pruned this "emergency_recovery" percentage
857 * of flows, we will unset the emergency bit */
>>> CID 1524506: Integer handling issues (DIVIDE_BY_ZERO)
>>> In expression "spare_pool_len * 100U / flow_config.prealloc", division by expression "flow_config.prealloc" which may be zero has undefined behavior.
858 if (spare_pool_len * 100 / flow_config.prealloc > flow_config.emergency_recovery) {
859 emerg_over_cnt++;
860 } else {
861 emerg_over_cnt = 0;
862 }
Related to
Bug OISF#5919
(cherry picked from commit 754d280)
|
Information:
Pipeline 12866 |
Merged
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#8616
and
#8628
backports
plus clang formatting fixes
Redmine ticket: https://redmine.openinfosecfoundation.org/issues/5946