Bug#921542: tc qdisc kernel crash

2019-02-10 Thread Cong Wang
On Sun, Feb 10, 2019 at 7:54 AM Ben Hutchings wrote: > > Control: tag -1 confirmed upstream > Control: found -1 4.20-1~exp1 > > Adrian (cc'd) reported (https://bugs.debian.org/921542) that a script > using tc could trigger a kernel crash. I've simplified the script he > provided down to: > > ---

Bug#921542: tc qdisc kernel crash

2019-02-10 Thread Ben Hutchings
Control: tag -1 confirmed upstream Control: found -1 4.20-1~exp1 Adrian (cc'd) reported (https://bugs.debian.org/921542) that a script using tc could trigger a kernel crash. I've simplified the script he provided down to: --- BEGIN --- #!/bin/sh -ex modprobe ifb while true; do tc qdisc add

Bug#921542: tc qdisc kernel crash

2019-02-06 Thread Adrian
Package: src:linux Version: 4.19.16-1 Severity: critical When I'm trying to use this script: #!/bin/bash ifaces[0]="tun0" ifaces[1]="ens192" ifaceIn="ifb0" ifaceOut="ifb1" #echo ${#iface[@]} #exit tc qdisc del dev $ifaceIn root for iface in ${ifaces[@]}; do echo "Delete qdisc ingress on