Re: [PATCH] fs/coredump: open coredump file in O_WRONLY instead of O_RDWR

[Christian Brauner]

On Tue, May 16, 2023 at 03:46:11PM +0200, Christian Brauner wrote:
> On Thu, 20 Apr 2023 15:04:09 +0300, Vladimir Sementsov-Ogievskiy wrote:
> > This makes it possible to make stricter apparmor profile and don't
> > allow the program to read any coredump in the system.
> > 
> > 
> 
> Applied to the vfs.misc branch of the vfs/vfs.git tree.
> Patches in the vfs.misc branch should appear in linux-next soon.
> 
> Please report any outstanding bugs that were missed during review in a
> new review to the original patch series allowing us to drop it.
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
> branch: vfs.misc
> 
> [1/1] fs/coredump: open coredump file in O_WRONLY instead of O_RDWR
>       https://git.kernel.org/vfs/vfs/c/f84566e710af

I updated the patch to include all the details we unearthed about this.
Linus, I added your SOB. It just made sense imho given that you provided
quite some details on this. Let me know if that bothers you. The patch
now is: