From patchwork series 498358

Fox Snowpatch · Fox Snowpatch · commit 67a15bb2b701 · 2026-04-01T16:07:41.000Z
https://patchwork.ozlabs.org//project/linuxppc-dev/list/?series=498358
diff --git a/arch/powerpc/kernel/rtas-proc.c b/arch/powerpc/kernel/rtas-proc.c
@@ -437,6 +437,10 @@ static int ppc_rtas_find_all_sensors(void)
 	}
 
 	sensors.quant = len / 8;      /* int + int */
+	if (sensors.quant > ARRAY_SIZE(sensors.sensor)) {
+		pr_err("too many sensors reported: %u\n", sensors.quant);
+		return 1;
+	}
 
 	for (i=0; i<sensors.quant; i++) {
 		sensors.sensor[i].token = *utmp++;

Original file line number	Diff line number	Diff line change
`@@ -437,6 +437,10 @@ static int ppc_rtas_find_all_sensors(void)`
`437`	`437`	`}`
`438`	`438`
`439`	`439`	`sensors.quant = len / 8; /* int + int */`
	`440`	`+ if (sensors.quant > ARRAY_SIZE(sensors.sensor)) {`
	`441`	`+ pr_err("too many sensors reported: %u\n", sensors.quant);`
	`442`	`+ return 1;`
	`443`	`+ }`
`440`	`444`
`441`	`445`	`for (i=0; i<sensors.quant; i++) {`
`442`	`446`	`sensors.sensor[i].token = *utmp++;`