Replace fatal BUG_ON() with more safe WARN_ON_ONCE() in cpuacct_cpuusage_read(). Signed-off-by: Andrey Ryabinin <arbn@xxxxxxxxxxxxxxx> Reviewed-by: Daniel Jordan <daniel.m.jordan@xxxxxxxxxx> Acked-by: Tejun Heo <tj@xxxxxxxxxx> --- kernel/sched/cpuacct.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/sched/cpuacct.c b/kernel/sched/cpuacct.c index 893eece65bfd..f347cf9e4634 100644 --- a/kernel/sched/cpuacct.c +++ b/kernel/sched/cpuacct.c @@ -106,7 +106,8 @@ static u64 cpuacct_cpuusage_read(struct cpuacct *ca, int cpu, * We allow index == CPUACCT_STAT_NSTATS here to read * the sum of usages. */ - BUG_ON(index > CPUACCT_STAT_NSTATS); + if (WARN_ON_ONCE(index > CPUACCT_STAT_NSTATS)) + return 0; #ifndef CONFIG_64BIT /* -- 2.32.0
