This patchset fix request uaf in nbd, other drivers might have the same problem. Will fix them later if this patchset is accepted. Changes in v2: - as Bart suggested, add a new helper function for drivers to get request by tag. Yu Kuai (2): blk-mq: add a new interface to get request by tag nbd: convert to use blk_mq_get_rq_by_tag() block/blk-mq-tag.c | 33 +++++++++++++++++++++++++++++++++ block/blk-mq.c | 1 + block/blk-mq.h | 1 - drivers/block/nbd.c | 11 ++++++----- include/linux/blk-mq.h | 3 +++ 5 files changed, 43 insertions(+), 6 deletions(-) -- 2.31.1
