diff options
| author | Jens Axboe | 2016-11-17 20:30:37 +0100 |
|---|---|---|
| committer | Jens Axboe | 2016-11-17 20:30:37 +0100 |
| commit | 429a787be6793554ee02aacc7e1f11ebcecc4453 (patch) | |
| tree | b7a533b7db0cc2752f49e99fed7d6f4d2af45065 /fs/block_dev.c | |
| parent | blk-wbt: fix old-style function declaration (diff) | |
| download | kernel-qcow2-linux-429a787be6793554ee02aacc7e1f11ebcecc4453.tar.gz kernel-qcow2-linux-429a787be6793554ee02aacc7e1f11ebcecc4453.tar.xz kernel-qcow2-linux-429a787be6793554ee02aacc7e1f11ebcecc4453.zip | |
nbd: fix use-after-free of rq/bio in the xmit path
For writes, we can get a completion in while we're still iterating
the request and bio chain. If that happens, we're reading freed
memory and we can crash.
Break out after the last segment and avoid having the iterator
read freed memory.
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'fs/block_dev.c')
0 files changed, 0 insertions, 0 deletions