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(parent: eb144ee) | patch
xsk: proper fill queue descriptor validation
authorBjörn Töpel <bjorn.topel@intel.com>
Mon, 4 Jun 2018 11:57:11 +0000 (13:57 +0200)
committerDaniel Borkmann <daniel@iogearbox.net>
Mon, 4 Jun 2018 15:21:02 +0000 (17:21 +0200)
commit1360566ffd30639426ee46241aacf4cdcd247f06
tree51db5592136aab51ca7451006085044715affbe9tree | snapshot
parenteb144ee4745939dde84c0ae60b140a18ca2ae2c2commit | diff
xsk: proper fill queue descriptor validation

Previously the fill queue descriptor was not copied to kernel space
prior validating it, making it possible for userland to change the
descriptor post-kernel-validation.

Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
net/xdp/xsk.c diff | blob | history
net/xdp/xsk_queue.h diff | blob | history
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