Re: [PATCH] fs/ceph/file: fix memory leaks in __ceph_sync_read()

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Subject: Re: [PATCH] fs/ceph/file: fix memory leaks in __ceph_sync_read()
From: Max Kellermann <max.kellermann@xxxxxxxxx>
Date: Thu, 28 Nov 2024 13:28:15 +0100
Cc: xiubli@xxxxxxxxxx, idryomov@xxxxxxxxx, ceph-devel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, stable@xxxxxxxxxxxxxxx
In-reply-to: <CAO8a2SiS16QFJ0mDtAW0ieuy9Nh6RjnP7-39q0oZKsVwNL=kRQ@mail.gmail.com>

On Thu, Nov 28, 2024 at 1:18 PM Alex Markuze <amarkuze@xxxxxxxxxx> wrote:
> Pages are freed in `ceph_osdc_put_request`, trying to release them
> this way will end badly.

I don't get it. If this ends badly, why does the other
ceph_release_page_vector() call after ceph_osdc_put_request() in that
function not end badly?

Follow-Ups:
- Re: [PATCH] fs/ceph/file: fix memory leaks in __ceph_sync_read()
  - From: Max Kellermann

References:
- [PATCH] fs/ceph/file: fix memory leaks in __ceph_sync_read()
  - From: Max Kellermann
- Re: [PATCH] fs/ceph/file: fix memory leaks in __ceph_sync_read()
  - From: Alex Markuze

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