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authorSage Weil <sage@newdream.net>2010-09-27 21:18:52 +0400
committerSage Weil <sage@newdream.net>2010-10-07 19:00:23 +0400
commit6bc18876ba01fd4a077db6e1ed27201e4bda8864 (patch)
tree145b14be550e359e2a5a9f594f54f870d46fd926 /usr/.gitignore
parent936aeb5c4a9fa799abd7d630a94223acedcaad50 (diff)
downloadlinux-6bc18876ba01fd4a077db6e1ed27201e4bda8864.tar.xz
ceph: avoid null deref in osd request error path
If we interrupt an osd request, we call __cancel_request, but it wasn't verifying that req->r_osd was non-NULL before dereferencing it. This could cause a crash if osds were flapping and we aborted a request on said osd. Reported-by: Henry C Chang <henry_c_chang@tcloudcomputing.com> Signed-off-by: Sage Weil <sage@newdream.net>
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