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authorKevin Wolf <kwolf@redhat.com>2021-10-18 15:47:14 +0200
committerKevin Wolf <kwolf@redhat.com>2021-11-02 13:02:46 +0100
commitbfb8aa6d583b09378dcdb85d40c7951e44acd09f (patch)
tree9b6059ccd1c3a05b632e95590c1e39a66cb3eabc /hw/ide
parent13a028336f2c05e7ff47dfdaf30dfac7f4883e80 (diff)
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block: Fail gracefully when blockdev-snapshot creates loops
Using blockdev-snapshot to append a node as an overlay to itself, or to any of its parents, causes crashes. Catch the condition and return an error for these cases instead. Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1824363 Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20211018134714.48438-1-kwolf@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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