On Thu, 30 May 2024 23:50:32 -0700 syzbot <syzbot+list0820d438c1905c75bc71@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > Hello trace maintainers/developers, > > This is a 31-day syzbot report for the trace subsystem. > All related reports/information can be found at: > https://syzkaller.appspot.com/upstream/s/trace > > During the period, 1 new issues were detected and 0 were fixed. > In total, 10 issues are still open and 35 have been fixed so far. > > Some of the still happening issues: > > Ref Crashes Repro Title > <1> 705 Yes WARNING in format_decode (3) > https://syzkaller.appspot.com/bug?extid=e2c932aec5c8a6e1d31c Could you send this to bpf folks? It seems bpf_trace_printk caused this errror. (Maybe skipping fmt string check?) > <2> 26 Yes INFO: task hung in blk_trace_ioctl (4) > https://syzkaller.appspot.com/bug?extid=ed812ed461471ab17a0c This looks like debugfs_mutex lock leakage. Need to rerun with lockdep. > <3> 7 Yes WARNING in get_probe_ref > https://syzkaller.appspot.com/bug?extid=8672dcb9d10011c0a160 Hm, fail on register_trace_block_rq_insert(). blktrace issue. > <4> 6 Yes INFO: task hung in blk_trace_remove (2) > https://syzkaller.appspot.com/bug?extid=2373f6be3e6de4f92562 This looks like debugfs_mutex lock leakage too. > <5> 5 Yes general protection fault in bpf_get_attach_cookie_tracing > https://syzkaller.appspot.com/bug?extid=3ab78ff125b7979e45f9 This is also BPF problem. Thank you, > > --- > This report is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. > > To disable reminders for individual bugs, reply with the following command: > #syz set <Ref> no-reminders > > To change bug's subsystems, reply with: > #syz set <Ref> subsystems: new-subsystem > > You may send multiple commands in a single email message. -- Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>