On Tue, 2015-12-01 at 12:19 +0100, Daniele Fucini wrote: > Thanks for the reply. Here's the output of `tc qdisc show`: > https://gist.github.com/1847102c8fe08f63e9e7 > > Daniele > > > On Mon, Nov 30, 2015 at 08:50:29PM -0800, Cong Wang wrote: > > 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. ;)
Hmm... I do not think we ever took care of MQ in qdisc_tree_decrease_qlen() -- 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
