[Crash-utility] Re: [PATCH] arm64: fix a potential segfault in arm64_unwind_frame

Sunday, 14 July 2024

Sorry, the patch in previous mail. is mistake Please help review the below patch which is
test fine:

diff --git a/arm64.c b/arm64.c
index b3040d7..b992c01 100644
--- a/arm64.c
+++ b/arm64.c
@@ -2814,7 +2814,7 @@ arm64_unwind_frame(struct bt_info *bt, struct arm64_stackframe
*frame)
 	low  = frame->sp;
 	high = (low + stack_mask) & ~(stack_mask);
 
-	if (fp < low || fp > high || fp & 0xf)
+	if (fp < low || fp > high || fp & 0xf || !INSTACK(fp, bt))
 		return FALSE;
 
 	frame->sp = fp + 0x10;

Thanks
    