From: Jeff Xu <jeffxu@chromium.org>
To: "Liam R. Howlett" <Liam.Howlett@oracle.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Suren Baghdasaryan <surenb@google.com>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
Matthew Wilcox <willy@infradead.org>,
Vlastimil Babka <vbabka@suse.cz>,
sidhartha.kumar@oracle.com, Bert Karwatzki <spasswolf@web.de>,
Jiri Olsa <olsajiri@gmail.com>, Kees Cook <kees@kernel.org>,
"Paul E . McKenney" <paulmck@kernel.org>
Subject: Re: [PATCH v8 00/21] Avoid MAP_FIXED gap exposure
Date: Fri, 30 Aug 2024 09:05:53 -0700 [thread overview]
Message-ID: <CABi2SkVjphqbh5M_ybWRbDYWG08C9eL3x5fmy01AQfp+svM0Tg@mail.gmail.com> (raw)
In-Reply-To: <20240830040101.822209-1-Liam.Howlett@oracle.com>
Hi Liam
On Thu, Aug 29, 2024 at 9:01 PM Liam R. Howlett <Liam.Howlett@oracle.com> wrote:
>
> Changes since v7:
>
> This is all the patches I've sent for v7 fixups plus the return code for
> mseal(). The incorrect return code was introduced in an earlier patch
> and then modified (still incorrectly) later, so this version will
> hopefully bisect cleanly.
>
> - Fixed return type of vms_gather_munmap_vmas() to -ENOMEM or -EPERM
> - Passed through error returned from vms_gather_munmap_vmas() in
> mmap_region() - Thanks Jeff
I would think it is cleaner to fix the original commit directly
instead of as part of a large patch series, no ? If not possible,
maybe mm-unstable should apply my fix first then you can refactor
based on that ?
-Jeff
next prev parent reply other threads:[~2024-08-30 16:07 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-30 4:00 Liam R. Howlett
2024-08-30 4:00 ` [PATCH v8 01/21] mm/vma: Correctly position vma_iterator in __split_vma() Liam R. Howlett
2024-08-30 4:00 ` [PATCH v8 02/21] mm/vma: Introduce abort_munmap_vmas() Liam R. Howlett
2024-08-30 4:00 ` [PATCH v8 03/21] mm/vma: Introduce vmi_complete_munmap_vmas() Liam R. Howlett
2024-08-30 4:00 ` [PATCH v8 04/21] mm/vma: Extract the gathering of vmas from do_vmi_align_munmap() Liam R. Howlett
2024-08-30 4:00 ` [PATCH v8 05/21] mm/vma: Introduce vma_munmap_struct for use in munmap operations Liam R. Howlett
2024-08-30 4:00 ` [PATCH v8 06/21] mm/vma: Change munmap to use vma_munmap_struct() for accounting and surrounding vmas Liam R. Howlett
2024-08-30 4:00 ` [PATCH v8 07/21] mm/vma: Extract validate_mm() from vma_complete() Liam R. Howlett
2024-08-30 4:00 ` [PATCH v8 08/21] mm/vma: Inline munmap operation in mmap_region() Liam R. Howlett
2024-08-30 4:00 ` [PATCH v8 09/21] mm/vma: Expand mmap_region() munmap call Liam R. Howlett
2024-08-30 4:00 ` [PATCH v8 10/21] mm/vma: Support vma == NULL in init_vma_munmap() Liam R. Howlett
2024-08-30 4:00 ` [PATCH v8 11/21] mm/mmap: Reposition vma iterator in mmap_region() Liam R. Howlett
2024-08-30 4:00 ` [PATCH v8 12/21] mm/vma: Track start and end for munmap in vma_munmap_struct Liam R. Howlett
2024-08-30 4:00 ` [PATCH v8 13/21] mm: Clean up unmap_region() argument list Liam R. Howlett
2024-08-30 4:00 ` [PATCH v8 14/21] mm/mmap: Avoid zeroing vma tree in mmap_region() Liam R. Howlett
2024-10-07 19:05 ` [BUG] page table UAF, " Jann Horn
2024-10-07 20:31 ` Liam R. Howlett
2024-10-07 21:31 ` Jann Horn
2024-10-08 1:50 ` Liam R. Howlett
2024-10-08 17:15 ` Jann Horn
2024-10-08 17:51 ` Suren Baghdasaryan
2024-10-08 18:06 ` Jann Horn
2024-10-11 14:26 ` Liam R. Howlett
2024-08-30 4:00 ` [PATCH v8 15/21] mm: Change failure of MAP_FIXED to restoring the gap on failure Liam R. Howlett
2024-09-03 3:07 ` Pengfei Xu
2024-09-03 11:00 ` Lorenzo Stoakes
2024-09-03 12:27 ` Lorenzo Stoakes
2024-09-03 16:03 ` Liam R. Howlett
2024-08-30 4:00 ` [PATCH v8 16/21] mm/mmap: Use PHYS_PFN in mmap_region() Liam R. Howlett
2024-08-30 4:00 ` [PATCH v8 17/21] mm/mmap: Use vms accounted pages " Liam R. Howlett
2024-08-30 4:00 ` [PATCH v8 18/21] ipc/shm, mm: Drop do_vma_munmap() Liam R. Howlett
2024-08-30 4:00 ` [PATCH v8 19/21] mm: Move may_expand_vm() check in mmap_region() Liam R. Howlett
2024-08-30 4:01 ` [PATCH v8 20/21] mm/vma: Drop incorrect comment from vms_gather_munmap_vmas() Liam R. Howlett
2024-08-30 4:01 ` [PATCH v8 21/21] mm/vma.h: Optimise vma_munmap_struct Liam R. Howlett
2024-08-30 16:05 ` Jeff Xu [this message]
2024-08-30 17:07 ` [PATCH v8 00/21] Avoid MAP_FIXED gap exposure Liam R. Howlett
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