On Sat, 09 Apr 2022 03:26:55 +0200, Fabio M. De Francesco wrote: > > Syzbot reports "KASAN: null-ptr-deref Write in > snd_pcm_format_set_silence".[1] > > It is due to missing validation of the "silence" field of struct > "pcm_format_data" in "pcm_formats" array. > > Add a test for valid "pat" and, if it is not so, return -EINVAL. > > [1] https://lore.kernel.org/lkml/000000000000d188ef05dc2c7279@xxxxxxxxxx/ > > Reported-and-tested-by: syzbot+205eb15961852c2c5974@xxxxxxxxxxxxxxxxxxxxxxxxx > Signed-off-by: Fabio M. De Francesco <fmdefrancesco@xxxxxxxxx> Thanks, applied now. > --- > > I wasn't able to figure out the commit for the "Fixes:" tag. If this patch > is good, can someone please help with providing this missing information? That must be present from the very beginning. I just add Cc-to-stable for allowing backport to all releases. thanks, Takashi
