CPU arrays (e.g., kgdb_info[]) are indexed from 0 (inclusive) to NR_CPUS (exclusive).
Pointed out by Coverity, CID 1262269 Signed-off-by: Brian Norris <[email protected]> Cc: Jason Wessel <[email protected]> --- Untested kernel/debug/kdb/kdb_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c index f191bddf64b8..53f051853f14 100644 --- a/kernel/debug/kdb/kdb_main.c +++ b/kernel/debug/kdb/kdb_main.c @@ -2256,7 +2256,7 @@ static int kdb_cpu(int argc, const char **argv) /* * Validate cpunum */ - if ((cpunum > NR_CPUS) || !kgdb_info[cpunum].enter_kgdb) + if ((cpunum >= NR_CPUS) || !kgdb_info[cpunum].enter_kgdb) return KDB_BADCPUNUM; dbg_switch_cpu = cpunum; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
