rt_cpu_seq_next should increase position index
authorVasily Averin <vvs@virtuozzo.com>
Thu, 23 Jan 2020 07:11:35 +0000 (10:11 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 1 Oct 2020 18:40:04 +0000 (20:40 +0200)
commitc10bfe7335fd778be0604bbc623e82bee2f9da9e
treec10a012044b7d3a62200b02124eb1c9755484aa3
parentd2ce05d7a17a387456ea2c0e88155cbd5fed5896
rt_cpu_seq_next should increase position index

[ Upstream commit a3ea86739f1bc7e121d921842f0f4a8ab1af94d9 ]

if seq_file .next fuction does not change position index,
read after some lseek can generate unexpected output.

https://bugzilla.kernel.org/show_bug.cgi?id=206283
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
net/ipv4/route.c