On Mon, Mar 16, 2020 at 11:16 PM Rayagonda Kokatanur <rayagonda.kokatanur@xxxxxxxxxxxx> wrote: > > Fix possible negative array index read in __2data_recov_5() function. > > Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@xxxxxxxxxxxx> > --- > crypto/async_tx/async_raid6_recov.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/crypto/async_tx/async_raid6_recov.c b/crypto/async_tx/async_raid6_recov.c > index 33f2a8f8c9f4..9cd016cb2d09 100644 > --- a/crypto/async_tx/async_raid6_recov.c > +++ b/crypto/async_tx/async_raid6_recov.c > @@ -206,7 +206,7 @@ __2data_recov_5(int disks, size_t bytes, int faila, int failb, > good_srcs++; > } > > - if (good_srcs > 1) > + if ((good_srcs > 1) || (good < 0)) > return NULL; Read the code again, I don't see how this can happen.
