Ensure a minimum of 32KB for the buffer used in recvmsg() #207
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See iproute2 commit bb5ae621d0c7 ("lib/libnetlink: ensure a minimum of
32KB for the buffer used in rtnl_recvmsg()").
iproute2/iproute2@bb5ae621d0c7
Linux v4.9 and newer contains the two commits mentioned in the above
commit message:
"See kernel commits 9063e21fb026 ("netlink: autosize skb lengthes") and
d35c99ff77ec ("netlink: do not enter direct reclaim from netlink_dump()")
for more details."
Also, use unix.MSG_TRUNC to peek without copying the actual payload.
Related to issues mdlayher#178.
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See iproute2 commit bb5ae621d0c7 ("lib/libnetlink: ensure a minimum of 32KB for the buffer used in rtnl_recvmsg()").
iproute2/iproute2@bb5ae621d0c7
Linux v4.9 and newer contains the two commits mentioned in the above commit message:
"See kernel commits 9063e21fb026 ("netlink: autosize skb lengthes") and d35c99ff77ec ("netlink: do not enter direct reclaim from netlink_dump()") for more details."
Also, use unix.MSG_TRUNC to peek without copying the actual payload.
Related to issues #178.