Commit d52c499b authored by Gustavo A. R. Silva's avatar Gustavo A. R. Silva Committed by Jens Axboe

lightnvm: pblk: fix use-after-free bug

Remove one of the calls to function bio_put(), so *bio* is only
freed once.

Notice that bio is being dereferenced in bio_put(), hence leading to
a use-after-free bug once *bio* has already been freed.

Addresses-Coverity-ID: 1475952 ("Use after free")
Fixes: 55d8ec35 ("lightnvm: pblk: support packed metadata")
Signed-off-by: default avatarGustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 93f87a74
......@@ -418,7 +418,6 @@ static int pblk_recov_scan_oob(struct pblk *pblk, struct pblk_line *line,
if (ret) {
pblk_err(pblk, "I/O submission failed: %d\n", ret);
bio_put(bio);
bio_put(bio);
return ret;
}
......
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