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Merge tag 'ceph-for-5.15-rc3' of git://github.com/ceph/ceph-client

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Pull ceph fix from Ilya Dryomov:
 "A fix for a potential array out of bounds access from Dan"

* tag 'ceph-for-5.15-rc3' of git://github.com/ceph/ceph-client:
  ceph: fix off by one bugs in unsafe_request_wait()
This commit is contained in:
Linus Torvalds
2021-09-24 10:28:18 -07:00
parent e655c81ade 708c87168b
commit 4c4f0c2bf3
1 changed files with 2 additions and 2 deletions
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4
fs/ceph/caps.c
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@@ -2263,7 +2263,7 @@ retry:
list_for_each_entry(req, &ci->i_unsafe_dirops,
r_unsafe_dir_item) {
s = req->r_session;
if (unlikely(s->s_mds > max)) {
if (unlikely(s->s_mds >= max)) {
spin_unlock(&ci->i_unsafe_lock);
goto retry;
}
@@ -2277,7 +2277,7 @@ retry:
list_for_each_entry(req, &ci->i_unsafe_iops,
r_unsafe_target_item) {
s = req->r_session;
if (unlikely(s->s_mds > max)) {
if (unlikely(s->s_mds >= max)) {
spin_unlock(&ci->i_unsafe_lock);
goto retry;
}