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| author | Mike Krinkin <krinkin.m.u@gmail.com> | 2015-07-19 09:53:17 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-07-22 13:30:20 -0600 |
| commit | 21974061cfb3c4b0b1a83447fb5e7cdcd06e56dc (patch) | |
| tree | 558b1e88e86088c9500ffecb7d873c9dc0898c7d /block/blk-cgroup.c | |
| parent | d725e66c06ab440032f49ef17e960896d0ec6d49 (diff) | |
| download | linux-21974061cfb3c4b0b1a83447fb5e7cdcd06e56dc.tar.bz2 | |
null_blk: fix use-after-free problem
end_cmd finishes request associated with nullb_cmd struct, so we
should save pointer to request_queue in a local variable before
calling end_cmd.
The problem was causes general protection fault with slab poisoning
enabled.
Fixes: 8b70f45e2eb2 ("null_blk: restart request processing on completion handler")
Tested-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Mike Krinkin <krinkin.m.u@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-cgroup.c')
0 files changed, 0 insertions, 0 deletions