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 <julien.grall@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
---
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Suzuki K. Poulose <suzuki.poulose@xxxxxxx>
---
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
--
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