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| author | Jens Axboe <axboe@kernel.dk> | 2024-04-09 06:49:27 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-04-09 06:49:27 +0300 |
| commit | 013ee5a6234d4c574dedd60c4887a4bcc9ecc749 (patch) | |
| tree | 7d3f5ac01441d0c1bf08a50efd34a8ef37fee73e /drivers/md | |
| parent | b561ea56a26415bf44ce8ca6a8e625c7c390f1ea (diff) | |
| parent | fcf3f7e2fc8a53a6140beee46ec782a4c88e4744 (diff) | |
| download | linux-013ee5a6234d4c574dedd60c4887a4bcc9ecc749.tar.xz | |
Merge tag 'md-6.9-20240408' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into block-6.9
Pull MD fix from Song:
"This change, by Yu Kuai, fixes a UAF in a corner case."
* tag 'md-6.9-20240408' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md:
raid1: fix use-after-free for original bio in raid1_write_request()
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/raid1.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index be8ac24f50b6..7b8a71ca66dd 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1558,7 +1558,7 @@ static void raid1_write_request(struct mddev *mddev, struct bio *bio, for (j = 0; j < i; j++) if (r1_bio->bios[j]) rdev_dec_pending(conf->mirrors[j].rdev, mddev); - free_r1bio(r1_bio); + mempool_free(r1_bio, &conf->r1bio_pool); allow_barrier(conf, bio->bi_iter.bi_sector); if (bio->bi_opf & REQ_NOWAIT) { |