Re: [PATCH RESEND] libata: if T_LENGTH is zero, dma direction should be DMA_NONE

On Mon, Dec 13, 2021 at 10:09:24AM -0500, George Kennedy wrote:

Avoid data corruption by rejecting pass-through commands where T_LENGTH is zero (No data is transferred) and the dma direction is not DMA_NONE.

Reported-by: syzkaller syzkaller@googlegroups.com Signed-off-by: George Kennedy george.kennedy@oracle.com

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drivers/ata/libata-scsi.c | 6 ++++++ 1 file changed, 6 insertions(+)

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This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly.

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