Re: [PATCH] trace/blktrace: fix task hung in blk_trace_remove

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To: Edward Adam Davis <eadavis@xxxxxx>, syzbot+2373f6be3e6de4f92562@xxxxxxxxxxxxxxxxxxxxxxxxx
Subject: Re: [PATCH] trace/blktrace: fix task hung in blk_trace_remove
From: Jens Axboe <axboe@xxxxxxxxx>
Date: Wed, 31 Jan 2024 07:54:44 -0700
Cc: akpm@xxxxxxxxxxxxxxxxxxxx, dvyukov@xxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-trace-kernel@xxxxxxxxxxxxxxx, mathieu.desnoyers@xxxxxxxxxxxx, mhiramat@xxxxxxxxxx, pengfei.xu@xxxxxxxxx, rostedt@xxxxxxxxxxx, syzkaller-bugs@xxxxxxxxxxxxxxxx
In-reply-to: <tencent_6D33089EBD1B9C4BEE1B2425C6BAB4BB9F08@qq.com>
References: <0000000000002b1fc7060fca3adf@google.com> <tencent_6D33089EBD1B9C4BEE1B2425C6BAB4BB9F08@qq.com>
User-agent: Mozilla Thunderbird

On 1/31/24 6:28 AM, Edward Adam Davis wrote:
> Delete critical sections that are time-consuming and protected by other mutexes
> to avoid this issue.

What is "this issue"?

-- 
Jens Axboe

References:
- [syzbot] [block?] [trace?] INFO: task hung in blk_trace_remove (2)
  - From: syzbot
- [PATCH] trace/blktrace: fix task hung in blk_trace_remove
  - From: Edward Adam Davis

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