On Tue, Mar 07, 2017 at 10:26:20AM +0100, Dmitry Vyukov wrote: > On Tue, Mar 7, 2017 at 10:08 AM, Peter Zijlstra <[email protected]> wrote: > > On Mon, Mar 06, 2017 at 02:34:50PM +0100, Dmitry Vyukov wrote: > >> FWIW here are 2 syzkaller programs that triggered the bug: > >> https://gist.githubusercontent.com/dvyukov/d67f980050589775237a7fbdff226bec/raw/4bca72861cb2ede64059b6dad403e19f425a361f/gistfile1.txt > > > > Hurm, previously your gistfile thingies were actual C, but this thing is > > gibberish. How do I run it? > > The same way we did it here: > https://groups.google.com/d/msg/syzkaller/MHXa-o8foyc/yrGfDOrwAQAJ
Oh right, completely forgot about that. The last gistfile stuff I found in my history were actual C files. > This will run it in infinite loop in 10 parallel processes: > ./syz-execprog -repeat=0 -procs=10 -sandbox=namespace gistfile1.txt > -sandbox=namespace will require CONFIG_USER_NS=y, I am not sure if it > is actually required, but that's how bots triggered it. You can do > -sandbox=none as well. I still have an ancient syzcaller; -sandbox doesn't exist and I needed to add -executor=bin/syz-executor but now it appears to run. I'll go up procs, 10 is somewhat low I feel. --- root@ivb-ep:~/gopath/src/github.com/google/syzkaller# ./bin/syz-execprog -repeat=0 -procs=10 -executor=bin/syz-executor gistfile2.txt 2017/03/07 10:35:14 parsed 2 programs 2017/03/07 10:35:14 executed 0 programs result: failed=false hanged=false err=executor is not serving 2017/03/07 10:36:14 executed 10 programs result: failed=false hanged=false err=executor is not serving result: failed=false hanged=false err=executor is not serving result: failed=false hanged=false err=executor is not serving result: failed=false hanged=false err=executor is not serving result: failed=false hanged=false err=executor is not serving result: failed=false hanged=false err=executor is not serving result: failed=false hanged=false err=executor is not serving result: failed=false hanged=false err=executor is not serving result: failed=false hanged=false err=executor is not serving

