| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.17 03/47] drivers/input/evdev.c: dont kfree() a vmalloc address | Date | Sun, 14 Dec 2014 12:20:38 -0800 |
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3.17-stable review patch. If anyone has any objections, please let me know.
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From: Andrew Morton <akpm@linux-foundation.org>
commit 92788ac1eb06e69a822de45e2a8a63fa45eb5be2 upstream.
If kzalloc() failed and then evdev_open_device() fails, evdev_open() will pass a vmalloc'ed pointer to kfree.
This might fix https://bugzilla.kernel.org/show_bug.cgi?id=88401, where there was a crash in kfree().
Reported-by: Christian Casteyde <casteyde.christian@free.fr> Belatedly-Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Henrik Rydberg <rydberg@euromail.se> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/input/evdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -421,7 +421,7 @@ static int evdev_open(struct inode *inod err_free_client: evdev_detach_client(evdev, client); - kfree(client); + kvfree(client); return error; }
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