diff options
| author | Andrea Bastoni <bastoni@cs.unc.edu> | 2010-11-25 07:29:31 -0500 |
|---|---|---|
| committer | Bjoern B. Brandenburg <bbb@cs.unc.edu> | 2010-11-29 12:57:44 -0500 |
| commit | 7b544c16beaa1f6ec70a72d53fe84cae95f70a41 (patch) | |
| tree | e6348059fd6dfd8cf66a93c1a3b1d72078352016 | |
| parent | 2aad06b056054442964f46752bdb098030cdb866 (diff) | |
bugfix: fix out-of-bound array access in cedf_activate_plugin()
Make sure to check for maximum index value when accessing cedf_domain_t
array in cedf_activate_plugin().
Reported-by: Jeremy Erickson <jerickso@cs.unc.edu>
| -rw-r--r-- | litmus/sched_cedf.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/litmus/sched_cedf.c b/litmus/sched_cedf.c index 111e4fb1c62b..8c9513d33f59 100644 --- a/litmus/sched_cedf.c +++ b/litmus/sched_cedf.c | |||
| @@ -708,7 +708,8 @@ static long cedf_activate_plugin(void) | |||
| 708 | if (cpumask_test_cpu(cpu, cedf[j].cpu_map)) | 708 | if (cpumask_test_cpu(cpu, cedf[j].cpu_map)) |
| 709 | break; | 709 | break; |
| 710 | /* if it is in a cluster go to next cpu */ | 710 | /* if it is in a cluster go to next cpu */ |
| 711 | if (cpumask_test_cpu(cpu, cedf[j].cpu_map)) | 711 | if (j < num_clusters && |
| 712 | cpumask_test_cpu(cpu, cedf[j].cpu_map)) | ||
| 712 | continue; | 713 | continue; |
| 713 | 714 | ||
| 714 | /* this cpu isn't in any cluster */ | 715 | /* this cpu isn't in any cluster */ |