[PATCH v2 2/2] Kconfig.debug: Provide a little extra FRAME_WARN leeway when KASAN is enabled

Lee Jones lee at kernel.org
Fri Nov 25 04:07:50 PST 2022


When enabled, KASAN enlarges function's stack-frames.  Pushing quite a
few over the current threshold.  This can mainly be seen on 32-bit
architectures where the present limit (when !GCC) is a lowly
1024-Bytes.

Signed-off-by: Lee Jones <lee at kernel.org>
---
 lib/Kconfig.debug | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index c3c0b077ade33..82d475168db95 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -399,6 +399,7 @@ config FRAME_WARN
 	default 2048 if GCC_PLUGIN_LATENT_ENTROPY
 	default 2048 if PARISC
 	default 1536 if (!64BIT && XTENSA)
+	default 1280 if KASAN && !64BIT
 	default 1024 if !64BIT
 	default 2048 if 64BIT
 	help
-- 
2.38.1.584.g0f3c55d4c2-goog




More information about the linux-arm-kernel mailing list