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From: <gregkh@linuxfoundation.org>
To: lee@kernel.org, Rodrigo.Siqueira@amd.com, Xinhui.Pan@amd.com,
	airlied@gmail.com, akpm@linux-foundation.org,
	alexander.deucher@amd.com, arnd@arndb.de,
	christian.koenig@amd.com, daniel@ffwll.ch,
	harry.wentland@amd.com, maarten.lankhorst@linux.intel.com,
	mripard@kernel.org, nathan@kernel.org, ndesaulniers@google.com,
	stable@vger.kernel.org, sunpeng.li@amd.com, trix@redhat.com,
	tzimmermann@suse.de
Cc: <stable@vger.kernel.org>
Subject: FAILED: patch "[PATCH] Kconfig.debug: provide a little extra FRAME_WARN leeway when" failed to apply to 5.4-stable tree
Date: Sat, 03 Dec 2022 11:59:33 +0100	[thread overview]
Message-ID: <167006517322713@kroah.com> (raw)


The patch below does not apply to the 5.4-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

Possible dependencies:

152fe65f300e ("Kconfig.debug: provide a little extra FRAME_WARN leeway when KASAN is enabled")
8d192bec534b ("parisc: Increase FRAME_WARN to 2048 bytes on parisc")
867050247e29 ("xtensa: increase size of gcc stack frame check")
55b70eed81cb ("parisc: Increase size of gcc stack frame check")

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 152fe65f300e1819d59b80477d3e0999b4d5d7d2 Mon Sep 17 00:00:00 2001
From: Lee Jones <lee@kernel.org>
Date: Fri, 25 Nov 2022 12:07:50 +0000
Subject: [PATCH] Kconfig.debug: provide a little extra FRAME_WARN leeway when
 KASAN is enabled
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

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.

Link: https://lkml.kernel.org/r/20221125120750.3537134-3-lee@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: David Airlie <airlied@gmail.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Leo Li <sunpeng.li@amd.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Tom Rix <trix@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index a1005415f0f4..580e453e284e 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


                 reply	other threads:[~2022-12-03 10:59 UTC|newest]

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