On Tue, 2015-04-07 at 17:01 -0700, Tuan Bui wrote: > On Tue, 2015-04-07 at 16:33 -0700, Eric Dumazet wrote: > > On Tue, 2015-04-07 at 15:57 -0700, Tuan Bui wrote: > > > Hi all, > > > > > > I am consistently seeing this kernel panic on a 16 sockets machine > > > running Spark PageRank workload using Docker. I am running RHEL 7.0 > > > stock kernel which is 3.10.0-123.el7.x86_64. > > > > Have you tried a recent upstream kernel ? > > > > Yes I have tried an upstream v4.0-rc4 kernel. I was still getting the > same kernel panic.
This looks like a use after free on one skb, but I see no smoking gun in sendpage() paths. You might try some debugging kernel build to detect this. (ASAN maybe) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
