This is a note to let you know that I've just added the patch titled mmc: core: Initialize mmc_blk_ioc_data to the 6.8-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: mmc-core-initialize-mmc_blk_ioc_data.patch and it can be found in the queue-6.8 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 0cdfe5b0bf295c0dee97436a8ed13336933a0211 Mon Sep 17 00:00:00 2001 From: Mikko Rapeli <mikko.rapeli@xxxxxxxxxx> Date: Wed, 13 Mar 2024 15:37:43 +0200 Subject: mmc: core: Initialize mmc_blk_ioc_data From: Mikko Rapeli <mikko.rapeli@xxxxxxxxxx> commit 0cdfe5b0bf295c0dee97436a8ed13336933a0211 upstream. Commit 4d0c8d0aef63 ("mmc: core: Use mrq.sbc in close-ended ffu") adds flags uint to struct mmc_blk_ioc_data, but it does not get initialized for RPMB ioctls which now fails. Let's fix this by always initializing the struct and flags to zero. Fixes: 4d0c8d0aef63 ("mmc: core: Use mrq.sbc in close-ended ffu") Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218587 Link: https://lore.kernel.org/all/20231129092535.3278-1-avri.altman@xxxxxxx/ Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Mikko Rapeli <mikko.rapeli@xxxxxxxxxx> Reviewed-by: Avri Altman <avri.altman@xxxxxxx> Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx> Tested-by: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx> Link: https://lore.kernel.org/r/20240313133744.2405325-1-mikko.rapeli@xxxxxxxxxx Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/mmc/core/block.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -413,7 +413,7 @@ static struct mmc_blk_ioc_data *mmc_blk_ struct mmc_blk_ioc_data *idata; int err; - idata = kmalloc(sizeof(*idata), GFP_KERNEL); + idata = kzalloc(sizeof(*idata), GFP_KERNEL); if (!idata) { err = -ENOMEM; goto out; Patches currently in stable-queue which might be from mikko.rapeli@xxxxxxxxxx are queue-6.8/mmc-core-initialize-mmc_blk_ioc_data.patch queue-6.8/mmc-core-avoid-negative-index-with-array-access.patch