Em Thu, Nov 05, 2015 at 03:07:23PM +, 平松雅巳 / HIRAMATU，MASAMI escreveu:
> From: Arnaldo Carvalho de Melo [mailto:a...@kernel.org]
> >Em Thu, Nov 05, 2015 at 01:19:24PM +, Wang Nan escreveu:
> >> In system with kprobe enabled but uprobe turned off, 'perf probe -d'
> >> causes segfault because
From: Arnaldo Carvalho de Melo [mailto:a...@kernel.org]
>Em Thu, Nov 05, 2015 at 01:19:24PM +, Wang Nan escreveu:
>> In system with kprobe enabled but uprobe turned off, 'perf probe -d'
>> causes segfault because it calls probe_file__get_events() with a
>> negative fd (when deleting uprobe even
Em Thu, Nov 05, 2015 at 01:19:24PM +, Wang Nan escreveu:
> In system with kprobe enabled but uprobe turned off, 'perf probe -d'
> causes segfault because it calls probe_file__get_events() with a
> negative fd (when deleting uprobe events).
>
> This patch validates fds before calling probe_file
From: Wang Nan [mailto:wangn...@huawei.com]
>
>In system with kprobe enabled but uprobe turned off, 'perf probe -d'
>causes segfault because it calls probe_file__get_events() with a
>negative fd (when deleting uprobe events).
Hmm, OK. This may happen if user runs perf probe on the kernel
which onl
In system with kprobe enabled but uprobe turned off, 'perf probe -d'
causes segfault because it calls probe_file__get_events() with a
negative fd (when deleting uprobe events).
This patch validates fds before calling probe_file__get_events().
Signed-off-by: Wang Nan
Cc: Arnaldo Carvalho de Melo
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