From: Rabin Vincent <ra...@rab.in> Date: Tue, 5 Jan 2016 16:23:07 +0100
> The SKF_AD_ALU_XOR_X ancillary is not like the other ancillary data > instructions since it XORs A with X while all the others replace A with > some loaded value. All the BPF JITs fail to clear A if this is used as > the first instruction in a filter. This was found using american fuzzy > lop. > > Add a helper to determine if A needs to be cleared given the first > instruction in a filter, and use this in the JITs. Except for ARM, the > rest have only been compile-tested. > > Fixes: 3480593131e0 ("net: filter: get rid of BPF_S_* enum") > Signed-off-by: Rabin Vincent <ra...@rab.in> Applied and queued up for -stable, thanks! -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html