Re: WARNING: CPU: 2 PID: 4277 at lib/refcount.c:186

2017-09-11 Thread Eric Dumazet
On Mon, 2017-09-11 at 17:43 -0400, Shankara Pailoor wrote: > Hi Eric, > > I applied your patch and I no longer observed the warning. Thanks! I > will let you know if any further problems show up during fuzzing. Great, I also verified this fixed the problem, I will send the official patch shortly

Re: WARNING: CPU: 2 PID: 4277 at lib/refcount.c:186

2017-09-11 Thread Shankara Pailoor
rc7 on >> > > x86_64. The full stack trace is below: >> > > >> > > WARNING: CPU: 2 PID: 4277 at lib/refcount.c:186 >> > > refcount_sub_and_test+0x167/0x1b0 lib/refcount.c:186 >> > > Kernel panic - not syncing: panic_on_warn set .

Re: WARNING: CPU: 2 PID: 4277 at lib/refcount.c:186

2017-09-10 Thread Eric Dumazet
a warning while fuzzing with Syzkaller on linux 4.13-rc7 on > > > x86_64. The full stack trace is below: > > > > > > WARNING: CPU: 2 PID: 4277 at lib/refcount.c:186 > > > refcount_sub_and_test+0x167/0x1b0 lib/refcount.c:186 > > > Kernel panic - not s

Re: WARNING: CPU: 2 PID: 4277 at lib/refcount.c:186

2017-09-08 Thread Eric Dumazet
On Fri, 2017-09-08 at 10:21 -0700, Cong Wang wrote: > (Cc'ing netdev) > > On Fri, Sep 8, 2017 at 5:59 AM, Shankara Pailoor wrote: > > Hi, > > > > I found a warning while fuzzing with Syzkaller on linux 4.13-rc7 on > > x86_64. The full stack trace is below

Re: WARNING: CPU: 2 PID: 4277 at lib/refcount.c:186

2017-09-08 Thread Cong Wang
(Cc'ing netdev) On Fri, Sep 8, 2017 at 5:59 AM, Shankara Pailoor wrote: > Hi, > > I found a warning while fuzzing with Syzkaller on linux 4.13-rc7 on > x86_64. The full stack trace is below: > > WARNING: CPU: 2 PID: 4277 at lib/refcount.c:186 > refcount_sub_and_test+

WARNING: CPU: 2 PID: 4277 at lib/refcount.c:186

2017-09-08 Thread Shankara Pailoor
Hi, I found a warning while fuzzing with Syzkaller on linux 4.13-rc7 on x86_64. The full stack trace is below: WARNING: CPU: 2 PID: 4277 at lib/refcount.c:186 refcount_sub_and_test+0x167/0x1b0 lib/refcount.c:186 Kernel panic - not syncing: panic_on_warn set ... CPU: 2 PID: 4277 Comm: syz