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generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-12-05 01:48:10 +0000
/net/sched/sch_mqprio.c?id=690e5325b8c7d5db05fc569c0f7b888bb4248272'>patch) treeb9c39916a4397b1eb628e07e4fc6aff91219e393 /net/sched/sch_mqprio.c parenta4685d2f58e2230d4e27fb2ee581d7ea35e5d046 (diff)
block: fix use after free in __blkdev_direct_IO
We can't dereference the dio structure after submitting the last bio for this request, as I/O completion might have happened before the code is run. Introduce a local is_sync variable instead. Fixes: 542ff7bf ("block: new direct I/O implementation") Signed-off-by: Christoph Hellwig <hch@lst.de> Reported-by: Matias Bjørling <m@bjorling.me> Tested-by: Matias Bjørling <m@bjorling.me> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'net/sched/sch_mqprio.c')