> -----Original Message----- > From: Wang YanQing [mailto:udkni...@gmail.com] > Sent: Thursday, May 03, 2018 7:18 PM > To: ax...@kernel.dk > Cc: gre...@linuxfoundation.org; pombreda...@nexb.com; > t...@linutronix.de; Caizhiyong <caizhiy...@hisilicon.com>; linux- > bl...@vger.kernel.org; linux-kernel@vger.kernel.org > Subject: [PATCH] block: add verifier for cmdline partition > > I meet strange filesystem corruption issue recently, the reason > is there are overlaps partitions in cmdline partition argument. > > This patch add verifier for cmdline partition, then if there are > overlaps partitions, cmdline_partition will return error and log > a error message. >
Partition overlap was intentionally designed in this cmdline partition. some time, the cmdline partition save raw data(not filesystem), the overlap makes data access very convenient. reference http://lists.infradead.org/pipermail/linux-mtd/2013-August/048092.html > Signed-off-by: Wang YanQing <udkni...@gmail.com> > --- > block/partitions/cmdline.c | 63 > +++++++++++++++++++++++++++++++++++++++++++++- > 1 file changed, 62 insertions(+), 1 deletion(-) >
