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Groups > linux.kernel > #1627171
| From | "Reshetova, Elena" <elena.reshetova@intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | RE: [PATCH 0/2] fs, ceph filesystem refcount conversions |
| Date | 2017-04-20 09:50 +0200 |
| Message-ID | <tyf0K-67n-15@gated-at.bofh.it> (permalink) |
| References | <tgRxv-7rN-17@gated-at.bofh.it> <th0hr-58n-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
> On Fri, Mar 3, 2017 at 10:15 AM, Elena Reshetova > <elena.reshetova@intel.com> wrote: > > Now when new refcount_t type and API are finally merged > > (see include/linux/refcount.h), the following > > patches convert various refcounters in the ceph filesystem from atomic_t > > to refcount_t. By doing this we prevent intentional or accidental > > underflows or overflows that can led to use-after-free vulnerabilities. > > > > The below patches are fully independent and can be cherry-picked separately. > > Since we convert all kernel subsystems in the same fashion, resulting > > in about 300 patches, we have to group them for sending at least in some > > fashion to be manageable. Please excuse the long cc list. > > > > Not runtime tested, since I am not sure how to do it for ceph. > > However changes are pretty trivial in this case. > > > > Elena Reshetova (2): > > fs, ceph: convert ceph_mds_session.s_ref from atomic_t to refcount_t > > fs, ceph: convert ceph_cap_snap.nref from atomic_t to refcount_t > > > > fs/ceph/caps.c | 4 ++-- > > fs/ceph/mds_client.c | 18 +++++++++--------- > > fs/ceph/mds_client.h | 5 +++-- > > fs/ceph/snap.c | 2 +- > > fs/ceph/super.h | 5 +++-- > > 5 files changed, 18 insertions(+), 16 deletions(-) > > I'll pull these into testing. Just a check: how did testing went on this? If everything is good, can you merge the changes? Best Regards, Elena. > > Thanks, > > Ilya
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RE: [PATCH 0/2] fs, ceph filesystem refcount conversions "Reshetova, Elena" <elena.reshetova@intel.com> - 2017-04-20 09:50 +0200
Re: [PATCH 0/2] fs, ceph filesystem refcount conversions Ilya Dryomov <idryomov@gmail.com> - 2017-04-20 11:50 +0200
RE: [PATCH 0/2] fs, ceph filesystem refcount conversions "Reshetova, Elena" <elena.reshetova@intel.com> - 2017-04-20 12:30 +0200
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