linux-kernel - [Question] Is that safe if a modules get_task

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <CANFwon3gJOtAAAJJyyCG-d9mZ=Yf_sFk=VfsOEps4BjB6EAOJA@mail.gmail.com>
Date:	Sat, 28 Apr 2012 21:32:23 +0800
From:	Hui Zhu <teawater@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: [Question] Is that safe if a modules get_task_mm for a very long time?

Hi,

I check the kernel code found that a lot get_task_mm is use together
with an mmput for a long time.
Do you think I can just an get_task_mm inside a function and use mmput
to release for a long time later?

Thanks,
Hui
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/