This is a note to let you know that I've just added the patch titled gpio: wcd934x: Fix shift-out-of-bounds error to the 5.12-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: gpio-wcd934x-fix-shift-out-of-bounds-error.patch and it can be found in the queue-5.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From dbec64b11c65d74f31427e2b9d5746fbf17bf840 Mon Sep 17 00:00:00 2001 From: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx> Date: Tue, 25 May 2021 17:55:39 +0100 Subject: gpio: wcd934x: Fix shift-out-of-bounds error From: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx> commit dbec64b11c65d74f31427e2b9d5746fbf17bf840 upstream. bit-mask for pins 0 to 4 is BIT(0) to BIT(4) however we ended up with BIT(n - 1) which is not right, and this was caught by below usban check UBSAN: shift-out-of-bounds in drivers/gpio/gpio-wcd934x.c:34:14 Fixes: 59c324683400 ("gpio: wcd934x: Add support to wcd934x gpio controller") Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx> Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpio/gpio-wcd934x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpio/gpio-wcd934x.c +++ b/drivers/gpio/gpio-wcd934x.c @@ -7,7 +7,7 @@ #include <linux/slab.h> #include <linux/of_device.h> -#define WCD_PIN_MASK(p) BIT(p - 1) +#define WCD_PIN_MASK(p) BIT(p) #define WCD_REG_DIR_CTL_OFFSET 0x42 #define WCD_REG_VAL_CTL_OFFSET 0x43 #define WCD934X_NPINS 5 Patches currently in stable-queue which might be from srinivas.kandagatla@xxxxxxxxxx are queue-5.12/asoc-codecs-lpass-rx-macro-add-missing-module_device.patch queue-5.12/gpio-wcd934x-fix-shift-out-of-bounds-error.patch queue-5.12/asoc-codecs-lpass-tx-macro-add-missing-module_device.patch