On Thu, Dec 14, 2023 at 12:00 PM Bagas Sanjaya <bagasdotme@xxxxxxxxx> wrote: > > Hi all, > > I forward a Bugzilla report [1]. As you may know, many developers don't > take a look on Bugzilla (especially linux-kernel@xxxxxxxxxxxxxxxxxxxxxx > as no one subscribes to the generic component). > > The original reporter (Ilija Tovilo) writes: > > > Hi! We're running into an issue with SELinux where mprotect will result in a EACCES due to the execheap policy since Kernel 6.6. This happens when the mmap-ed segment lies directly adjacent to the heap. I think this is caused by the following patch: > > > > https://github.com/torvalds/linux/commit/68df1baf158fddc07b6f0333e4c81fe1ccecd6ff <snip the details> Hi, this already has a fix pending in the mm tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/commit/?h=mm-hotfixes-stable&id=d3bb89ea9c13e5a98d2b7a0ba8e50a77893132cb More context: https://lore.kernel.org/selinux/CAFqZXNv0SVT0fkOK6neP9AXbj3nxJ61JAY4+zJzvxqJaeuhbFw@xxxxxxxxxxxxxx/ https://lore.kernel.org/all/20231207152525.2607420-1-wangkefeng.wang@xxxxxxxxxx/T/ -- Ondrej Mosnacek Senior Software Engineer, Linux Security - SELinux kernel Red Hat, Inc.
