* [obsolete] zram-introduce-recompress-sysfs-knob-fix-2.patch removed from -mm tree
@ 2022-11-15 23:07 Andrew Morton
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From: Andrew Morton @ 2022-11-15 23:07 UTC (permalink / raw)
To: mm-commits, suleiman, ngupta, minchan, keescook+coverity-bot,
keescook, senozhatsky, akpm
The quilt patch titled
Subject: zram: explicitly limit prio_max for static analyzers
has been removed from the -mm tree. Its filename was
zram-introduce-recompress-sysfs-knob-fix-2.patch
This patch was dropped because it is obsolete
------------------------------------------------------
From: Sergey Senozhatsky <senozhatsky@chromium.org>
Subject: zram: explicitly limit prio_max for static analyzers
Date: Mon, 14 Nov 2022 11:14:20 +0900
coverity (got confused by the code, so this simply is supposed to help
coverity figure out that we never do an out of bounds access in comps[]
array: https://lore.kernel.org/lkml/202211100847.388C61B3@keescook/
Link: https://lkml.kernel.org/r/20221114021420.4060601-1-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Reported-by: coverity-bot <keescook+coverity-bot@chromium.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Suleiman Souhlal <suleiman@google.com>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
drivers/block/zram/zram_drv.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/block/zram/zram_drv.c~zram-introduce-recompress-sysfs-knob-fix-2
+++ a/drivers/block/zram/zram_drv.c
@@ -1689,6 +1689,7 @@ static int zram_recompress(struct zram *
* Iterate the secondary comp algorithms list (in order of priority)
* and try to recompress the page.
*/
+ prio_max = min(prio_max, ZRAM_MAX_COMPS);
for (; prio < prio_max; prio++) {
if (!zram->comps[prio])
continue;
_
Patches currently in -mm which might be from senozhatsky@chromium.org are
zram-preparation-for-multi-zcomp-support.patch
zram-add-recompression-algorithm-sysfs-knob.patch
zram-factor-out-wb-and-non-wb-zram-read-functions.patch
zram-introduce-recompress-sysfs-knob.patch
zram-introduce-recompress-sysfs-knob-fix.patch
zram-add-recompress-flag-to-read_block_state.patch
zram-clarify-writeback_store-comment.patch
zram-use-is_err_value-to-check-for-zs_malloc-errors.patch
zram-remove-redundant-checks-from-zram_recompress.patch
zram-add-algo-parameter-support-to-zram_recompress.patch
documentation-add-zram-recompression-documentation.patch
zram-add-incompressible-writeback.patch
zram-add-incompressible-flag-to-read_block_state.patch
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2022-11-15 23:07 [obsolete] zram-introduce-recompress-sysfs-knob-fix-2.patch removed from -mm tree Andrew Morton
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