The loop that browses the array compat_hwcap_str will stop when a NULL is encountered, however NULL is missing at the end of array. This will result to overrun until one NULL is found somewhere in the memory.
Fixes: 44b82b7700d0 "arm64: Fix up /proc/cpuinfo" Signed-off-by: Julien Grall <[email protected]> Cc: [email protected] --- Cc: Mark Rutland <[email protected]> Cc: Suzuki K. Poulose <[email protected]> --- arch/arm64/kernel/cpuinfo.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c index 84c8684..f0c3fb7 100644 --- a/arch/arm64/kernel/cpuinfo.c +++ b/arch/arm64/kernel/cpuinfo.c @@ -87,7 +87,8 @@ static const char *const compat_hwcap_str[] = { "idivt", "vfpd32", "lpae", - "evtstrm" + "evtstrm", + NULL }; static const char *const compat_hwcap2_str[] = { -- 1.9.1
