Hello! This is an experimental automated report about issues detected by Coverity from a scan of next-20191025 as part of the linux-next weekly scan project: https://scan.coverity.com/projects/linux-next-weekly-scan You're getting this email because you were associated with the identified lines of code (noted below) that were touched by recent commits: 57abff067a08 ("sched/fair: Rework find_idlest_group()") Coverity reported the following: *** CID 1487371: Null pointer dereferences (FORWARD_NULL) /kernel/sched/fair.c: 8319 in find_idlest_group() 8313 case group_asym_packing: 8314 /* Those type are not used in the slow wakeup path */ 8315 return NULL; 8316 8317 case group_misfit_task: 8318 /* Select group with the highest max capacity */ vvv CID 1487371: Null pointer dereferences (FORWARD_NULL) vvv Dereferencing null pointer "local". 8319 if (local->sgc->max_capacity >= idlest->sgc->max_capacity) 8320 return NULL; 8321 break; 8322 8323 case group_has_spare: 8324 if (sd->flags & SD_NUMA) { If this is a false positive, please let us know so we can mark it as such, or teach the Coverity rules to be smarter. If not, please make sure fixes get into linux-next. :) For patches fixing this, please include: Reported-by: coverity-bot <keescook+coverity-bot@xxxxxxxxxxxx> Addresses-Coverity-ID: 1487371 ("Null pointer dereferences") Fixes: 57abff067a08 ("sched/fair: Rework find_idlest_group()") Thanks for your attention! -- Coverity-bot