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
| ||
|
Date: Tue, 21 Jul 2020 14:18:38 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: Christoph Hellwig <hch@....de> Cc: mcgrof@...nel.org, linux-kernel@...r.kernel.org, "Eric W. Biederman" <ebiederm@...ssion.com> Subject: Re: [PATCH] kernel: add a kernel_wait helper On Tue, 21 Jul 2020 15:04:49 +0200 Christoph Hellwig <hch@....de> wrote: > Add a helper that waits for a pid and stores the status in the passed > in kernel pointer. Use it to fix the usage of kernel_wait4 in > call_usermodehelper_exec_sync that only happens to work due to the > implicit set_fs(KERNEL_DS) for kernel threads. I guess it's cleaner, although it's a bit sad to be adding code to address a non-problem. Did you consider a simpler kernel_wait() which just wraps a set_fs(KERNEL_DS) around a call to kernel_wait4()?
Powered by blists - more mailing lists