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| author | ZhaoLong Wang <wangzhaolong1@huawei.com> | 2023-12-26 09:01:12 +0800 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2024-01-06 23:45:44 +0100 |
| commit | 4d0deb380a5b53471cde1d8c0e0fbd1b53bfbc64 (patch) | |
| tree | 7fded3b94e0447d682361bb000c27159e22e5f5f | |
| parent | 7cd8d1f8475d83c8871917430a2daf362c68e742 (diff) | |
| download | lwn-4d0deb380a5b53471cde1d8c0e0fbd1b53bfbc64.tar.gz lwn-4d0deb380a5b53471cde1d8c0e0fbd1b53bfbc64.zip | |
ubi: Reserve sufficient buffer length for the input mask
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>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
| -rw-r--r-- | drivers/mtd/ubi/debug.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c index 007f82d71020..d57f52bd2ff3 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[16]; int val; ubi = ubi_get_device(ubi_num); @@ -400,7 +400,7 @@ 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[16] = {0}; int val; ubi = ubi_get_device(ubi_num); |