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| author | Jonathan Peyton <jonathan.l.peyton@intel.com> | 2018-11-28 20:15:11 +0000 |
|---|---|---|
| committer | Jonathan Peyton <jonathan.l.peyton@intel.com> | 2018-11-28 20:15:11 +0000 |
| commit | f4c0720ad0bcdb895218cfdc35e72eeea15e294d (patch) | |
| tree | e58f6dc089e7c5ffcb3d335511d275664a14ee5d /openmp | |
| parent | a17318b89b97d577e08c87e6b6c3b67806869f85 (diff) | |
| download | bcm5719-llvm-f4c0720ad0bcdb895218cfdc35e72eeea15e294d.tar.gz bcm5719-llvm-f4c0720ad0bcdb895218cfdc35e72eeea15e294d.zip | |
[OpenMP] Fixed possible array out of bound access
There is low probability that array th_hot_teams can be
accessed out of bound (when many nested levels are requested
to keep hot teams via KMP_HOT_TEAMS_MAX_LEVEL). The patch
adds the check of index that fixes the problem.
Patch by Andrey Churbanov
Differential Revision: https://reviews.llvm.org/D54950
llvm-svn: 347800
Diffstat (limited to 'openmp')
| -rw-r--r-- | openmp/runtime/src/kmp_runtime.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/openmp/runtime/src/kmp_runtime.cpp b/openmp/runtime/src/kmp_runtime.cpp index f2e99565493..44774e946c5 100644 --- a/openmp/runtime/src/kmp_runtime.cpp +++ b/openmp/runtime/src/kmp_runtime.cpp @@ -2132,6 +2132,7 @@ int __kmp_fork_call(ident_t *loc, int gtid, master_th->th.th_task_state_top++; #if KMP_NESTED_HOT_TEAMS if (master_th->th.th_hot_teams && + active_level < __kmp_hot_teams_max_level && team == master_th->th.th_hot_teams[active_level].hot_team) { // Restore master's nested state if nested hot team master_th->th.th_task_state = |
