In zap_sector(), need free buf before return, otherwise it will cause memory leak. Signed-off-by: Wu Guanghao <wuguanghao3@xxxxxxxxxx> Signed-off-by: Zhiqiang Liu <liuzhiqiang26@xxxxxxxxxx> Reviewed-by: Wu Bo <wubo40@xxxxxxxxxx> --- misc/mke2fs.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/misc/mke2fs.c b/misc/mke2fs.c index afbcf486..68e36ecc 100644 --- a/misc/mke2fs.c +++ b/misc/mke2fs.c @@ -585,8 +585,10 @@ static void zap_sector(ext2_filsys fs, int sect, int nsect) else { magic = (unsigned int *) (buf + BSD_LABEL_OFFSET); if ((*magic == BSD_DISKMAGIC) || - (*magic == BSD_MAGICDISK)) + (*magic == BSD_MAGICDISK)) { + free(buf); return; + } } } -- 2.19.1