On Tue, 9 Apr 2024 at 14:38, Peter Maydell wrote:
>
> On Tue, 9 Apr 2024 at 14:32, Anastasia Belova wrote:
> >
> >
> >
> > 09/04/24 15:02, Peter Maydell пишет:
> > > On Tue, 9 Apr 2024 at 12:54, Anastasia Belova
> > > wrote:
> > >> ch->num can reach values up to 31. Add casting to
> > >> a larg
On Tue, 9 Apr 2024 at 14:32, Anastasia Belova wrote:
>
>
>
> 09/04/24 15:02, Peter Maydell пишет:
> > On Tue, 9 Apr 2024 at 12:54, Anastasia Belova wrote:
> >> ch->num can reach values up to 31. Add casting to
> >> a larger type before performing left shift to
> >> prevent integer overflow.
> > I
09/04/24 15:02, Peter Maydell пишет:
On Tue, 9 Apr 2024 at 12:54, Anastasia Belova wrote:
ch->num can reach values up to 31. Add casting to
a larger type before performing left shift to
prevent integer overflow.
If ch->num can only reach up to 31, then 1 << ch->num
is fine, because QEMU can
On 9/4/24 14:02, Peter Maydell wrote:
On Tue, 9 Apr 2024 at 12:54, Anastasia Belova wrote:
ch->num can reach values up to 31. Add casting to
a larger type before performing left shift to
prevent integer overflow.
If ch->num can only reach up to 31, then 1 << ch->num
is fine, because QEMU can
On Tue, 9 Apr 2024 at 12:54, Anastasia Belova wrote:
>
> ch->num can reach values up to 31. Add casting to
> a larger type before performing left shift to
> prevent integer overflow.
If ch->num can only reach up to 31, then 1 << ch->num
is fine, because QEMU can assume that integers are 32 bits,
ch->num can reach values up to 31. Add casting to
a larger type before performing left shift to
prevent integer overflow.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: afbb5194d4 ("Handle on-chip DMA controllers in one place, convert OMAP
DMA to use it.")
Signed-off-by
