erofs: fix incorrect early exits in volume label handling

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Crafted EROFS images containing valid volume labels can trigger
incorrect early returns, leading to folio reference leaks.

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

Fixes: 1cf12c7177 ("erofs: Add support for FS_IOC_GETFSLABEL")
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>

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This commit is contained in:

Gao Xiang 2025-12-29 17:29:47 +08:00

parent 643575d5a4

commit 3afa4da388

1 changed files with 4 additions and 2 deletions

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6

fs/erofs/super.c

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