On Mon, Nov 30, 2015 at 5:00 PM, Daniele Fucini <dfuc...@gmail.com> wrote: > Hello, > > I'm using a Grsecurity patched kernel (version 4.2.6-201511282239) and > I'm getting system freezes due to PaX detecting a size overflow in > function qdisc_tree_decrease_qlen net/sched/sch_api.c:769 whenever I use > Transmission BitTorrent client. > > On the Grsecurity forum I was told it's probably an unintended integer > underflow that I should report upstream. > > Here's the relevant log: > https://gist.github.com/cf54ccbb12ea65e146d4 >
Looks like we miss some sch->q.qlen accounting somewhere... What is your qdisc setup? Is your fq_codel the default one or you installed it or some other qdisc somewhere (`tc qdisc show` could tell)? I will take a deeper look tomorrow, or maybe Jamal could find something before I wake up. ;) -- 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
