On Fri, 11 Oct 2024 08:25:29 -0700
syzbot <[email protected]> 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 38 have been fixed so far.
> 
> Some of the still happening issues:
> 
> Ref Crashes Repro Title
> <1> 34      Yes   INFO: task hung in blk_trace_ioctl (4)
>                   https://syzkaller.appspot.com/bug?extid=ed812ed461471ab17a0c

If you check the maintainers file, blktrace.c has:

BLOCK LAYER
M:      Jens Axboe <[email protected]>
L:      [email protected]



> <2> 32      Yes   WARNING in bpf_get_stack_raw_tp
>                   https://syzkaller.appspot.com/bug?extid=ce35de20ed6652f60652

bpf_trace.c has:

M:      Alexei Starovoitov <[email protected]>
M:      Daniel Borkmann <[email protected]>
M:      Andrii Nakryiko <[email protected]>
R:      Martin KaFai Lau <[email protected]>
R:      Eduard Zingerman <[email protected]>
R:      Song Liu <[email protected]>
R:      Yonghong Song <[email protected]>
R:      John Fastabend <[email protected]>
R:      KP Singh <[email protected]>
R:      Stanislav Fomichev <[email protected]>
R:      Hao Luo <[email protected]>
R:      Jiri Olsa <[email protected]>
L:      [email protected]

> <3> 13      Yes   WARNING in get_probe_ref
>                   https://syzkaller.appspot.com/bug?extid=8672dcb9d10011c0a160
> <4> 6       Yes   INFO: task hung in blk_trace_remove (2)
>                   https://syzkaller.appspot.com/bug?extid=2373f6be3e6de4f92562
> <5> 4       Yes   possible deadlock in __mod_timer (4)
>                   https://syzkaller.appspot.com/bug?extid=83a876aef81c9a485ae8

None of these look like they are tracing infrastructure related.

-- Steve


> 
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