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kernel: backport ubiblock support from 3.15

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Backport ubiblock support from kernel 3.15 as well as all follow-up
fixes related to ubiblock.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

 create mode 100644 target/linux/generic/patches-3.14/040-UBI-R-O-block-driver-on-top-of-UBI-volumes.patch
 create mode 100644 target/linux/generic/patches-3.14/041-UBI-block-do-not-use-term-attach.patch
 create mode 100644 target/linux/generic/patches-3.14/042-UBI-block-Mark-init-only-symbol-as-__initdata.patch
 create mode 100644 target/linux/generic/patches-3.14/043-UBI-block-Use-u64-for-the-64-bit-dividend.patch
 create mode 100644 target/linux/generic/patches-3.14/044-UBI-rename-block-device-ioctls.patch
 create mode 100644 target/linux/generic/patches-3.14/045-UBI-block-Remove-__initdata-from-ubiblock_param_ops.patch
 create mode 100644 target/linux/generic/patches-3.14/046-UBI-avoid-workqueue-format-string-leak.patch
 create mode 100644 target/linux/generic/patches-3.14/047-UBI-make-UBI_IOCVOLCRBLK-take-a-parameter-for-future.patch

SVN-Revision: 41118
This commit is contained in:
John Crispin
2014-06-11 12:59:06 +00:00
parent ba59fab9bb
commit d494983d02
8 changed files with 1336 additions and 0 deletions
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30
target/linux/generic/patches-3.14/046-UBI-avoid-workqueue-format-string-leak.patch Normal file
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@@ -0,0 +1,30 @@
From bebfef150e0b8fa68704cddacf05b8c26462d565 Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@chromium.org>
Date: Mon, 7 Apr 2014 21:44:07 -0700
Subject: [PATCH] UBI: avoid workqueue format string leak
When building the name for the workqueue thread, make sure a format
string cannot leak in from the disk name.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
---
drivers/mtd/ubi/block.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c
index 7ff473c..8d659e6 100644
--- a/drivers/mtd/ubi/block.c
+++ b/drivers/mtd/ubi/block.c
@@ -431,7 +431,7 @@ int ubiblock_create(struct ubi_volume_info *vi)
* Create one workqueue per volume (per registered block device).
* Rembember workqueues are cheap, they're not threads.
*/
- dev->wq = alloc_workqueue(gd->disk_name, 0, 0);
+ dev->wq = alloc_workqueue("%s", 0, 0, gd->disk_name);
if (!dev->wq)
goto out_free_queue;
INIT_WORK(&dev->work, ubiblock_do_work);
--
1.9.2