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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()
This commit is contained in:
Jens Axboe 2024-04-08 21:49:27 -06:00
parent b561ea56a2 fcf3f7e2fc
commit 013ee5a623
1 changed files with 1 additions and 1 deletions
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2
drivers/md/raid1.c
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@ -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) {