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ubi: Reserve sufficient buffer length for the input mask

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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>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
ZhaoLong Wang 2023-12-26 09:01:12 +08:00 committed by Richard Weinberger
parent 7cd8d1f847
commit 4d0deb380a
1 changed files with 2 additions and 2 deletions
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4
drivers/mtd/ubi/debug.c
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@ -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);