Hi Alan, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> 于2021年9月13日周一 下午9:55写道： > > On Mon, Sep 13, 2021 at 11:13:15AM +0800, Hao Sun wrote: > > Hello, > > > > When using Healer to fuzz the Linux kernel, the following crash was triggered. > > > > HEAD commit: ac08b1c68d1b Merge tag 'pci-v5.15-changes' > > git tree: upstream > > console output: > > https://drive.google.com/file/d/1ZeDIMe-DoY3fB32j2p5ifgpq-Lc5N74I/view?usp=sharing > > kernel config: https://drive.google.com/file/d/1qrJUXD8ZIeAkg-xojzDpp04v9MtQ8RR6/view?usp=sharing > > Syzlang reproducer: > > https://drive.google.com/file/d/1tZe8VmXfxoPqlNpzpGOd-e5WCSWgbkxB/view?usp=sharing > > Similar report: > > https://groups.google.com/g/syzkaller-bugs/c/zX55CUzjBOY/m/uf91r0XqAgAJ > > > > Sorry, I don't have a C reproducer for this crash but have a Syzlang > > reproducer. Also, hope the symbolized report can help. > > Here are the instructions on how to execute Syzlang prog: > > https://github.com/google/syzkaller/blob/master/docs/executing_syzkaller_programs.md > > > > If you fix this issue, please add the following tag to the commit: > > Reported-by: Hao Sun <sunhao.th@xxxxxxxxx> > > There's not much hope of finding the cause of a problem like this > without seeing the kernel log. > Healer found another Syzlang prog to reproduce this task hang: https://paste.ubuntu.com/p/HCNYbKJYtx/ Also here is a very simple script to execute the reproducer: https://paste.ubuntu.com/p/ZTGmvFSP6d/ The `syz-execprog` and `syz-executor` are needed, so please build Syzkaller first before running the script. Hope this can help to find the root cause of the problem. Regards Hao
