Re: [PATCH bpf] xsk: silence warning on memory allocation failure

2018-06-11 Thread Y Song
On Mon, Jun 11, 2018 at 4:57 AM, Björn Töpel wrote: > From: Björn Töpel > > syzkaller reported a warning from xdp_umem_pin_pages(): > > WARNING: CPU: 1 PID: 4537 at mm/slab_common.c:996 kmalloc_slab+0x56/0x70 > mm/slab_common.c:996 > ... > __do_kmalloc mm/slab.c:3713 [inline] > __kmalloc

Re: [PATCH bpf] xsk: silence warning on memory allocation failure

2018-06-11 Thread Daniel Borkmann
On 06/11/2018 01:57 PM, Björn Töpel wrote: > From: Björn Töpel > > syzkaller reported a warning from xdp_umem_pin_pages(): > > WARNING: CPU: 1 PID: 4537 at mm/slab_common.c:996 kmalloc_slab+0x56/0x70 > mm/slab_common.c:996 > ... > __do_kmalloc mm/slab.c:3713 [inline] > __kmalloc+0x25/0x

[PATCH bpf] xsk: silence warning on memory allocation failure

2018-06-11 Thread Björn Töpel
From: Björn Töpel syzkaller reported a warning from xdp_umem_pin_pages(): WARNING: CPU: 1 PID: 4537 at mm/slab_common.c:996 kmalloc_slab+0x56/0x70 mm/slab_common.c:996 ... __do_kmalloc mm/slab.c:3713 [inline] __kmalloc+0x25/0x760 mm/slab.c:3727 kmalloc_array include/linux/slab.h:634 [