Re: [PATCH] tun: fix mismatch in mutex lock-unlock in tun_get_user()

From: Alexey Khoroshilov Date: Sat, 17 Feb 2018 01:11:55 +0300 > There is a single error path where tfile->napi_mutex is left unlocked. > It can lead to a deadlock. > > Found by Linux Driver Verification project (linuxtesting.org). > > Signed-off-by: Alexey Khoroshilov As Eric explained, tun_

Re: [PATCH] tun: fix mismatch in mutex lock-unlock in tun_get_user()

On Fri, Feb 16, 2018 at 2:11 PM, Alexey Khoroshilov wrote: > There is a single error path where tfile->napi_mutex is left unlocked. > It can lead to a deadlock. > > Found by Linux Driver Verification project (linuxtesting.org). > > Signed-off-by: Alexey Khoroshilov > --- > drivers/net/tun.c | 4

[PATCH] tun: fix mismatch in mutex lock-unlock in tun_get_user()

There is a single error path where tfile->napi_mutex is left unlocked. It can lead to a deadlock. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov --- drivers/net/tun.c | 4 1 file changed, 4 insertions(+) diff --git a/drivers/net/tun.c b/dr