Kernel BUG in mm/sub.c:294 while forwarding fragmented IPv4 multicast traffic

2019-03-28 Thread Henning Rogge
fffbfff) [ 70.957199] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]--- Henning Rogge -- Diplom-Informatiker Henning Rogge , Fraunhofer-Institut für Kommunikation, Informationsverarbeitung und Ergonomie FKIE Kommunikationssysteme (KOM) Zanderstrasse 5, 53177 Bonn, Germany Telefo

Re: [rtnetlink] Potential bug in Linux (rt)netlink code

2018-10-21 Thread Henning Rogge
Does anyone else have an idea how to debug this problem? Henning Rogge Am 15.10.2018 um 07:25 schrieb Henning Rogge: Am 12.10.2018 um 20:51 schrieb Stephen Hemminger: On Fri, 12 Oct 2018 09:30:40 +0200 Henning Rogge wrote: Hi, I am working on a self-written routing agent (https

Re: [rtnetlink] Potential bug in Linux (rt)netlink code

2018-10-14 Thread Henning Rogge
Am 12.10.2018 um 20:51 schrieb Stephen Hemminger: On Fri, 12 Oct 2018 09:30:40 +0200 Henning Rogge wrote: Hi, I am working on a self-written routing agent (https://github.com/OLSR/OONF) and am stuck on a problem with netlink that I cannot explain with an userspace error. I am using a

[rtnetlink] Potential bug in Linux (rt)netlink code

2018-10-12 Thread Henning Rogge
Unfortunately I have no short example program to trigger the bug... I have rarely seen the problem for years (once every couple of months), but until a few days ago I never managed to reproduce it. Henning Rogge -- Diplom-Informatiker Henning Rogge , Fraunhofer-Institut für Kommunikation

[PATCH] net/ipv6/udp: Fix ipv6 multicast socket filter regression

2015-05-18 Thread Henning Rogge
eceive other UDP traffic link unicast. Signed-off-by: Henning Rogge Fixes: 5cf3d46192fc ("udp: Simplify__udp*_lib_mcast_deliver") Cc: "David S. Miller" --- The commit above was found by me with a git bisect. I think the patch should be included into the stable kernel trees.