kernel 3.18.57 :WARNING in dev_watchdog

2017-06-21 Thread Dison River
.57(no kov) - Syzkaller hit 'WARNING in dev_watchdog' bug on commit . The guilty file is: net/sched/sch_generic.c. [ cut here ] WARNING: CPU: 1 PID: 0 at net/sched/sch_generic.c:306 dev_watchdog+0x61b/0x860 /home/river/git_new/linux-stable/net/sched/sch_ge

Re: WARNING in dev_watchdog

2017-06-12 Thread Ben Hutchings
On Mon, 2017-06-12 at 16:13 +0800, Dison River wrote: > Sorry,this WARNING is not reproducible.And I don't have PoC for this > bug. I found and reported a similar bug in e1000 and e1000e some years ago, which was fixed in the latter here: https://git.kernel.org/linus/d821a4c4d11ad160925dab2bb009b8

Re: WARNING in dev_watchdog

2017-06-12 Thread Dison River
Sorry,this WARNING is not reproducible.And I don't have PoC for this bug. 2017-06-12 14:42 GMT+08:00 Greg KH : > On Mon, Jun 12, 2017 at 02:37:22PM +0800, Dison River wrote: >> Hi: >> I've got the following error report while fuzzing the kernel with >> syzkaller on linux-4.11.0-rc3. >> >> log:

Re: WARNING in dev_watchdog

2017-06-11 Thread Greg KH
On Mon, Jun 12, 2017 at 02:37:22PM +0800, Dison River wrote: > Hi: > I've got the following error report while fuzzing the kernel with > syzkaller on linux-4.11.0-rc3. > > log: > WARNING: CPU: 2 PID: 0 at net/sched/sch_generic.c:316 > dev_watchdog+0x648/0x770 net/sched/sch_generic.c:315 > NETD

WARNING in dev_watchdog

2017-06-11 Thread Dison River
Hi: I've got the following error report while fuzzing the kernel with syzkaller on linux-4.11.0-rc3. log: WARNING: CPU: 2 PID: 0 at net/sched/sch_generic.c:316 dev_watchdog+0x648/0x770 net/sched/sch_generic.c:315 NETDEV WATCHDOG: eth0 (e1000): transmit queue 0 timed out Kernel panic - not sync