ceph: fix NULL pointer dereference for req->r_session

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The request's r_session maybe changed when it was forwarded or
resent. Both the forwarding and resending cases the requests will
be protected by the mdsc->mutex.

Cc: stable@vger.kernel.org
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2137955
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

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Xiubo Li 2022-11-10 21:01:59 +08:00 • committed by Ilya Dryomov

parent 51884d153f

commit 5bd76b8de5

1 changed files with 12 additions and 36 deletions

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48

fs/ceph/caps.c

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