erofs: fix incorrect early exits for invalid metabox-enabled images

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[ Upstream commit 643575d5a4 ]

Crafted EROFS images with metadata compression enabled can trigger
incorrect early returns, leading to folio reference leaks.

However, this does not cause system crashes or other severe issues.

Fixes: 414091322c ("erofs: implement metadata compression")
Cc: stable@kernel.org
Reviewed-by: Hongbo Li <lihongbo22@huawei.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Gao Xiang 2025-12-29 17:29:46 +08:00 • committed by Sasha Levin

parent 70746336ca

commit 041b5163bb

1 changed files with 3 additions and 2 deletions

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fs/erofs/super.c

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