diff options
| author | Emil Tantilov <emil.s.tantilov@intel.com> | 2018-02-23 12:39:41 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-02-26 13:44:24 -0500 |
| commit | 0c5661ecc5dd7ce296870a3eb7b62b1b280a5e89 (patch) | |
| tree | 00fc46b9083e605df3f19858fbf66abe6693cf26 /drivers/virt | |
| parent | 13a55372b64e00e564a08d785ca87bd9d454ba30 (diff) | |
ixgbe: fix crash in build_skb Rx code path
Add check for build_skb enabled ring in ixgbe_dma_sync_frag().
In that case &skb_shinfo(skb)->frags[0] may not always be set which
can lead to a crash. Instead we derive the page offset from skb->data.
Fixes: 42073d91a214
("ixgbe: Have the CPU take ownership of the buffers sooner")
CC: stable <stable@vger.kernel.org>
Reported-by: Ambarish Soman <asoman@redhat.com>
Suggested-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/virt')
0 files changed, 0 insertions, 0 deletions