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h=From:To:Subject:Date:Message-ID:MIME-Version; bh=m+1WkG8Tsig8RYWrER4ow7rSfWecNZk5XkRqn509qhs=; b=yM2Tg02riCR5ANcIrg1YrNusZcjhFvehupVtf+0C9XBn+zlorNtQ6yz74Zf3387ItuQsxc+o4QONE7meGcUwsntxXQunfK89OyO7TY0+0kMisk28eEwLOX3XkvD00313Y7CuohcqYr4DyxwzNr9XCVzjiD9WXnpqz10kd/2CVRw= X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R121e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=maildocker-contentspam011083073210;MF=hsiangkao@linux.alibaba.com;NM=1;PH=DS;RN=2;SR=0;TI=SMTPD_---0X5zS2qs_1782787954; Received: from x31i01179.sqa.na131.tbsite.net(mailfrom:hsiangkao@linux.alibaba.com fp:SMTPD_---0X5zS2qs_1782787954 cluster:ay36) by smtp.aliyun-inc.com; Tue, 30 Jun 2026 10:52:34 +0800 From: Gao Xiang To: linux-erofs@lists.ozlabs.org Cc: Gao Xiang Subject: [PATCH 7/7] erofs-utils: lib: silence `INTEGER_OVERFLOW` Date: Tue, 30 Jun 2026 10:52:24 +0800 Message-ID: <20260630025224.3955763-7-hsiangkao@linux.alibaba.com> X-Mailer: git-send-email 2.43.5 In-Reply-To: <20260630025224.3955763-1-hsiangkao@linux.alibaba.com> References: <20260630025224.3955763-1-hsiangkao@linux.alibaba.com> X-Mailing-List: linux-erofs@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Coverity-id: 647247 Signed-off-by: Gao Xiang --- 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