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由 Max Reitz 提交于
The bs->exact_filename field may not be sufficient to store the full blkdebug node filename. In this case, we should not generate a filename at all instead of an unusable one. Cc: qemu-stable@nongnu.org Reported-by: NQu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: NMax Reitz <mreitz@redhat.com> Message-id: 20170613172006.19685-2-mreitz@redhat.com Reviewed-by: NAlberto Garcia <berto@igalia.com> Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com> Signed-off-by: NMax Reitz <mreitz@redhat.com> (cherry picked from commit de81d72d) Signed-off-by: NMichael Roth <mdroth@linux.vnet.ibm.com>
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