On Tue, Jun 16, 2020 at 11:07 PM John Fastabend <[email protected]> wrote: > > Toke Høiland-Jørgensen wrote: > > Syzkaller discovered that creating a hash of type devmap_hash with a large > > number of entries can hit the memory allocator limit for allocating > > contiguous memory regions. There's really no reason to use kmalloc_array() > > directly in the devmap code, so just switch it to the existing > > bpf_map_area_alloc() function that is used elsewhere. > > > > Reported-by: Xiumei Mu <[email protected]> > > Fixes: 6f9d451ab1a3 ("xdp: Add devmap_hash map type for looking up devices > > by hashed index") > > Signed-off-by: Toke Høiland-Jørgensen <[email protected]> > > --- > > kernel/bpf/devmap.c | 10 ++++++---- > > 1 file changed, 6 insertions(+), 4 deletions(-) > > > > Acked-by: John Fastabend <[email protected]>
Applied. Thanks
