diff --git a/drivers/staging/erofs/super.c b/drivers/staging/erofs/super.c index f65a1ff9f42fd..2da471010a869 100644 --- a/drivers/staging/erofs/super.c +++ b/drivers/staging/erofs/super.c @@ -131,9 +131,14 @@ static int superblock_read(struct super_block *sb) sbi->build_time_nsec = le32_to_cpu(layout->build_time_nsec); memcpy(&sb->s_uuid, layout->uuid, sizeof(layout->uuid)); - memcpy(sbi->volume_name, layout->volume_name, - sizeof(layout->volume_name)); + ret = strscpy(sbi->volume_name, layout->volume_name, + sizeof(layout->volume_name)); + if (ret < 0) { /* -E2BIG */ + errln("bad volume name without NIL terminator"); + ret = -EFSCORRUPTED; + goto out; + } ret = 0; out: brelse(bh);