Re: v4.14-rc3/arm64 DABT exception in atomic_inc() / __skb_clone()

[Mark Rutland]

On Fri, Oct 20, 2017 at 10:40:38AM -0400, Wei Wei wrote:
> Sadly, the syzkaller characterized it as a non-reproducible bug and there were empty
>  repro files. But if manually executing in VM like this â./syz-execprog -executor=
> ./syz-executor -repeat=0 -procs=16 -cover=0 crash-logâ, it crashed when executing exactly 
> program 1056 using log0 provided.
> 
> I failed to generate the C reproducer with syz-repro as it said âno target compilerâ
> in the final step. I would appreciate if you could give some hints.

syz-repro should produce a smaller syzkaller log before it tries to
generate a C file.

I use:

$ syz-repro -config qemu.cfg logN

... and in most cases it will eventually print a smaller log to the
console.

Thanks,
Mark.