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Message-ID: <20220228144644.776c5261@canb.auug.org.au>
Date: Mon, 28 Feb 2022 14:46:44 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Dave Airlie <airlied@...ux.ie>
Cc: broonie@...nel.org, DRI <dri-devel@...ts.freedesktop.org>,
Allen Chen <allen.chen@....com.tw>,
Hsin-yi Wang <hsinyi@...omium.org>,
Hermes Wu <hermes.wu@....com.tw>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
Robert Foss <robert.foss@...aro.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the drm tree
Hi all,
On Fri, 25 Feb 2022 16:42:31 +0000 broonie@...nel.org wrote:
>
> After merging the drm tree, today's linux-next build (x86 allmodconfig)
> failed like this:
>
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c: In function 'receive_timing_debugfs_show':
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
> 3077 | u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
> | ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
> 3076 | u8 read_buf[READ_BUFFER_SIZE];
> | ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
> 3077 | u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
> | ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
> 3076 | u8 read_buf[READ_BUFFER_SIZE];
> | ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
> 3077 | u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
> | ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
> 3076 | u8 read_buf[READ_BUFFER_SIZE];
> | ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
> 3077 | u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
> | ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
> 3076 | u8 read_buf[READ_BUFFER_SIZE];
> | ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
> 3077 | u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
> | ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
> 3076 | u8 read_buf[READ_BUFFER_SIZE];
> | ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
> 3077 | u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
> | ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
> 3076 | u8 read_buf[READ_BUFFER_SIZE];
> | ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
> 3077 | u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
> | ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
> 3076 | u8 read_buf[READ_BUFFER_SIZE];
> | ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
> 3077 | u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
> | ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
> 3076 | u8 read_buf[READ_BUFFER_SIZE];
> | ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
> 3077 | u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
> | ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
> 3076 | u8 read_buf[READ_BUFFER_SIZE];
> | ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
> 3077 | u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
> | ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
> 3076 | u8 read_buf[READ_BUFFER_SIZE];
> | ^~~~~~~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3077:23: error: array subscript 4096 is outside array bounds of 'u8[200]' {aka 'unsigned char[200]'} [-Werror=array-bounds]
> 3077 | u8 *str = read_buf, *end = read_buf + PAGE_SIZE;
> | ^~~
> /tmp/next/build/drivers/gpu/drm/bridge/ite-it6505.c:3076:5: note: while referencing 'read_buf'
> 3076 | u8 read_buf[READ_BUFFER_SIZE];
> | ^~~~~~~~
> cc1: all warnings being treated as errors
>
> Caused by commit
>
> b5c84a9edcd418 ("drm/bridge: add it6505 driver")
>
> I have used the drm tree from yesterday instead.
I am still getting these errors and so used the drm tree from
next-20220224 again.
--
Cheers,
Stephen Rothwell
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