Messages in this thread Patch in this message | | | From | ZhaoLong Wang <> | Subject | [PATCH -next 4/5] ubi: Reserve sufficient buffer length for the input mask | Date | Sat, 18 Mar 2023 09:56:20 +0800 |
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Because the mask received by the emulate_failures interface is a 32-bit unsigned integer, ensure that there is sufficient buffer length to receive and display this value.
Signed-off-by: ZhaoLong Wang <wangzhaolong1@huawei.com> --- drivers/mtd/ubi/debug.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c index 0c58cbabe9fc..eafeb10e57bf 100644 --- a/drivers/mtd/ubi/debug.c +++ b/drivers/mtd/ubi/debug.c @@ -332,7 +332,7 @@ static ssize_t dfs_file_read(struct file *file, char __user *user_buf, struct dentry *dent = file->f_path.dentry; struct ubi_device *ubi; struct ubi_debug_info *d; - char buf[8]; + char buf[12]; int val; ubi = ubi_get_device(ubi_num); @@ -381,7 +381,7 @@ static ssize_t dfs_file_write(struct file *file, const char __user *user_buf, struct ubi_device *ubi; struct ubi_debug_info *d; size_t buf_size; - char buf[8] = {0}; + char buf[14] = {0}; int val; ubi = ubi_get_device(ubi_num); -- 2.31.1
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