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| author |   Pavel Skripkin <paskripkin@gmail.com> | 2021-07-28 19:38:18 +0300 |
|---|---|---|
| committer |   Steffen Klassert <steffen.klassert@secunet.com> | 2021-07-29 08:04:10 +0200 |
| commit | 5d8dbb7fb82b8661c16d496644b931c0e2e3a12e (patch) | |
| tree | 5c572c0adfa04517c87e64c38c570bb0694e3f8e /include/net/netns | |
| parent | xfrm: Add possibility to set the default to block if we have no policy (diff) | |
| download | linux-dev-5d8dbb7fb82b8661c16d496644b931c0e2e3a12e.tar.xz linux-dev-5d8dbb7fb82b8661c16d496644b931c0e2e3a12e.zip | |
net: xfrm: fix shift-out-of-bounce
We need to check up->dirmask to avoid shift-out-of-bounce bug,
since up->dirmask comes from userspace.
Also, added XFRM_USERPOLICY_DIRMASK_MAX constant to uapi to inform
user-space that up->dirmask has maximum possible value
Fixes: 2d151d39073a ("xfrm: Add possibility to set the default to block if we have no policy")
Reported-and-tested-by: syzbot+9cd5837a045bbee5b810@syzkaller.appspotmail.com
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'include/net/netns')
0 files changed, 0 insertions, 0 deletions