On 30/03/11 00:44, Sam Roberts wrote: > When this happened, I was running the prototype conntracker, and > several instances of conntrack -E (for each table). I typed a > conntrack -L command, and the kernel died after I hit ENTER. Could be > unrelated to that, but seems suspiciously coincidental that the > backtrace shown reflects something I did (it looks related to printing > conntracks). Still, you would know better than me what the kernel does > when things go wrong. I think I've got the problematic scenario: the master ct is released while there are still user-space expectations. In that case, the expectations still point to the master, once they've been released. Once the expectations expire, we dereference to the master ct which is not valid anymore. I'll send a patch to fix this. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html