From: Gao Xiang <hsiangkao@linux.alibaba.com>
To: linux-erofs@lists.ozlabs.org
Cc: Gao Xiang <hsiangkao@linux.alibaba.com>
Subject: [PATCH 7/7] erofs-utils: lib: silence `INTEGER_OVERFLOW`
Date: Tue, 30 Jun 2026 10:52:24 +0800 [thread overview]
Message-ID: <20260630025224.3955763-7-hsiangkao@linux.alibaba.com> (raw)
In-Reply-To: <20260630025224.3955763-1-hsiangkao@linux.alibaba.com>
Coverity-id: 647247
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
---
lib/inode.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/lib/inode.c b/lib/inode.c
index 9f1553e8db2b..267694f83fdf 100644
--- a/lib/inode.c
+++ b/lib/inode.c
@@ -670,10 +670,13 @@ static int erofs_write_unencoded_data(struct erofs_inode *inode,
if (bh) {
bmgr = (struct erofs_bufmgr *)bh->block->buffers.fsprivate;
pos = erofs_btell(bh, false);
+ if (__erofs_unlikely(pos == EROFS_NULL_ADDR))
+ return -EFAULT;
+
do {
len = min_t(u64, remaining,
round_down(UINT_MAX, 1U << sbi->blkszbits));
- ret = erofs_io_xcopy(bmgr->vf, pos, vf, len, noseek);
+ ret = erofs_io_xcopy(bmgr->vf, (off_t)pos, vf, len, noseek);
if (ret)
return ret;
pos += len;
--
2.43.5
prev parent reply other threads:[~2026-06-30 2:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-30 2:52 [PATCH 1/7] erofs-utils: lib: fix `ictx` leak in the failure path Gao Xiang
2026-06-30 2:52 ` [PATCH 2/7] erofs-utils: lib: silence `INTEGER_OVERFLOW` Gao Xiang
2026-06-30 2:52 ` [PATCH 3/7] erofs-utils: lib: fix `PRINTF_ARGS` Gao Xiang
2026-06-30 2:52 ` [PATCH 4/7] erofs-utils: mount: fix `RESOURCE_LEAK` Gao Xiang
2026-06-30 2:52 ` [PATCH 5/7] erofs-utils: lib: fix `STRING_NULL` in nbd.c Gao Xiang
2026-06-30 2:52 ` [PATCH 6/7] erofs-utils: mount: fix `RESOURCE_LEAK` Gao Xiang
2026-06-30 2:52 ` Gao Xiang [this message]
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