diff options
| author | Andrei Vagin <avagin@google.com> | 2019-08-09 22:33:40 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2019-08-09 22:34:54 -0700 |
| commit | af90e68623c729d0e3b06a1e838c5584d2d8b7c2 (patch) | |
| tree | 7e575a45207e23b8958be013158e566d89ebf9ea /pkg/abi/linux/netlink.go | |
| parent | f2762e8c60b0a83f976c9eedd4a8c08e32cb6856 (diff) | |
netlink: return an error in nlmsgerr
Now if a process sends an unsupported netlink requests,
an error is returned from the send system call.
The linux kernel works differently in this case. It returns errors in the
nlmsgerr netlink message.
Reported-by: syzbot+571d99510c6f935202da@syzkaller.appspotmail.com
PiperOrigin-RevId: 262690453
Diffstat (limited to 'pkg/abi/linux/netlink.go')
| -rw-r--r-- | pkg/abi/linux/netlink.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/pkg/abi/linux/netlink.go b/pkg/abi/linux/netlink.go index e8b6544b4..0ba086c76 100644 --- a/pkg/abi/linux/netlink.go +++ b/pkg/abi/linux/netlink.go @@ -122,3 +122,9 @@ const ( NETLINK_EXT_ACK = 11 NETLINK_DUMP_STRICT_CHK = 12 ) + +// NetlinkErrorMessage is struct nlmsgerr, from uapi/linux/netlink.h. +type NetlinkErrorMessage struct { + Error int32 + Header NetlinkMessageHeader +} |