From: Yifan Zhao <stopire@gmail.com>
To: linux-erofs@lists.ozlabs.org
Cc: xiang@kernel.org, Yifan Zhao <stopire@gmail.com>
Subject: [PATCH 2/4] erofs-utils: mkfs: validate chunksize before computing chunkbits
Date: Thu, 17 Sep 2026 11:53:47 +0800 [thread overview]
Message-ID: <20260917035349.1339521-2-stopire@gmail.com> (raw)
In-Reply-To: <20260917035349.1339521-1-stopire@gmail.com>
Assisted-by: Codex:gpt-6-astra
Signed-off-by: Yifan Zhao <stopire@gmail.com>
---
mkfs/main.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/mkfs/main.c b/mkfs/main.c
index d9b4e22..f0d3d8c 100644
--- a/mkfs/main.c
+++ b/mkfs/main.c
@@ -1262,8 +1262,9 @@ static int mkfs_parse_options_cfg(struct erofs_importer_params *params,
}
case 11:
+ errno = 0;
i = strtol(optarg, &endptr, 0);
- if (*endptr != '\0') {
+ if (errno || *endptr != '\0' || i <= 0 || i > INT_MAX) {
erofs_err("invalid chunksize %s", optarg);
return -EINVAL;
}
--
2.55.0
next prev parent reply other threads:[~2026-09-17 3:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-17 3:53 [PATCH 1/4] erofs-utils: fsck: fix hole handling during extraction Yifan Zhao
2026-09-17 3:53 ` Yifan Zhao [this message]
2026-09-17 3:53 ` [PATCH 3/4] erofs-utils: lib: fix rebuilding empty chunk-based files Yifan Zhao
2026-09-17 3:53 ` [PATCH 4/4] erofs-utils: fsck: avoid truncating lseek() return values Yifan Zhao
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