Messages in this thread | | | Subject | Re: general protection fault in tomoyo_socket_sendmsg_permission | From | Tetsuo Handa <> | Date | Fri, 12 Feb 2021 11:22:13 +0900 |
| |
On 2021/02/12 10:34, Shuah Khan wrote: > On 2/10/21 6:14 PM, Tetsuo Handa wrote: >> (Dropping LSM ML because this is not a TOMOYO's bug.) >> >> On 2021/02/11 4:29, Shuah Khan wrote: >>> This is a good find. I already replied to the thread to send a complete >>> fix. >> >> As I said at https://lkml.kernel.org/r/f8cae6b1-8f84-0e6a-7d9c-fc4aec68f07b@i-love.sakura.ne.jp , >> the as-is patch is effectively a complete fix. And applying the as-is patch should help spending >> syzbot resources for reproducing "general protection fault in tomoyo_socket_sendmsg_permission" >> with debug printk() patch applied, which in turn will help you in >> >>> Right. I would like to get a clear understanding of how this condition >>> is triggered. I am not saying this isn't a problem. Understanding how >>> it is triggered helps find the best fix. >> >> part. Therefore, I strongly expect you to apply this version now. >> > > Is there a reproducer for this problem?
There is no reproducer for "general protection fault in tomoyo_socket_sendmsg_permission" problem, but the race condition is explained at https://lkml.kernel.org/r/676d4518-0faa-9fab-15db-0db8d216d7fb@i-love.sakura.ne.jp .
| |