Re: [PATCH v2 0/7] Final fixes before KS 2.0

[Yordan Karadzhov <y.karadz@gmail.com>]

On 18.05.21 г. 2:21, Steven Rostedt wrote:
> On Mon, 17 May 2021 17:21:33 +0300
> "Yordan Karadzhov (VMware)" <y.karadz@gmail.com> wrote:
> 
>> v2 changes:
>>   - Still showing all CPU plots from the new trace file when
>>     appending [PATCH kernel-shark: Preserve open graphs when
>>     appending data].
>>   - Setting "seq.buffer" to NULL after calling trace_seq_destroy()
>>     in [PATCH kernel-shark: Fix the checking if "trace_seq" was destroyed]
>>   - [PATCH kernel-shark: No slash at the end of KS_PLUGIN_INSTALL_PREFIX]
>>     is new.
> 
> Hi Yordan,
> 
> I was playing a bit with kernelshark, and found that if I load a file and
> append one, exit, load them again, then click:
> 
>    File -> Sessions -> Restore Last Session
> 
> It crashes.

Unfortunately I am not able to reproduce the crash. maybe it has 
something to do with the particular data files you use.

> 
> Looks to be something is freed and then reused, because when I ran it under
> gdb, it crashed in allocation of memory (asprintf). That usually means that
> something was freed twice, someplace else. Or freed and then used.

Is it possible to send me a backtrace of the stack?

Thanks!
Yordan

> 
> -- Steve
>