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31 lines
1.0 KiB
Diff
31 lines
1.0 KiB
Diff
From bebfef150e0b8fa68704cddacf05b8c26462d565 Mon Sep 17 00:00:00 2001
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From: Kees Cook <keescook@chromium.org>
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Date: Mon, 7 Apr 2014 21:44:07 -0700
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Subject: [PATCH] UBI: avoid workqueue format string leak
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When building the name for the workqueue thread, make sure a format
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string cannot leak in from the disk name.
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Signed-off-by: Kees Cook <keescook@chromium.org>
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Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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---
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drivers/mtd/ubi/block.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c
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index 7ff473c..8d659e6 100644
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--- a/drivers/mtd/ubi/block.c
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+++ b/drivers/mtd/ubi/block.c
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@@ -431,7 +431,7 @@ int ubiblock_create(struct ubi_volume_info *vi)
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* Create one workqueue per volume (per registered block device).
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* Rembember workqueues are cheap, they're not threads.
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*/
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- dev->wq = alloc_workqueue(gd->disk_name, 0, 0);
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+ dev->wq = alloc_workqueue("%s", 0, 0, gd->disk_name);
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if (!dev->wq)
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goto out_free_queue;
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INIT_WORK(&dev->work, ubiblock_do_work);
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--
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1.9.2
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