Re: net: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected in skb_array_produce

2017-02-18 Thread Michael S. Tsirkin
On Sat, Feb 18, 2017 at 06:28:39PM +0100, Dmitry Vyukov wrote: > On Fri, Feb 10, 2017 at 6:17 AM, Jason Wang wrote: > > > > > > On 2017年02月10日 02:10, Michael S. Tsirkin wrote: > >> > >> On Thu, Feb 09, 2017 at 05:02:31AM -0500, Jason Wang wrote: > >>> > >>> - Original Message - > > >>

Re: net: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected in skb_array_produce

2017-02-18 Thread Dmitry Vyukov
On Sat, Feb 18, 2017 at 6:28 PM, Dmitry Vyukov wrote: > On Fri, Feb 10, 2017 at 6:17 AM, Jason Wang wrote: >> >> >> On 2017年02月10日 02:10, Michael S. Tsirkin wrote: >>> >>> On Thu, Feb 09, 2017 at 05:02:31AM -0500, Jason Wang wrote: - Original Message - > > Hello, > >

Re: net: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected in skb_array_produce

2017-02-18 Thread Dmitry Vyukov
On Fri, Feb 10, 2017 at 6:17 AM, Jason Wang wrote: > > > On 2017年02月10日 02:10, Michael S. Tsirkin wrote: >> >> On Thu, Feb 09, 2017 at 05:02:31AM -0500, Jason Wang wrote: >>> >>> - Original Message - Hello, I've got the following report while running syzkaller fuzzer on

Re: net: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected in skb_array_produce

2017-02-09 Thread Jason Wang
On 2017年02月10日 02:10, Michael S. Tsirkin wrote: On Thu, Feb 09, 2017 at 05:02:31AM -0500, Jason Wang wrote: - Original Message - Hello, I've got the following report while running syzkaller fuzzer on mmotm (git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git) remotes/mmotm/au

Re: net: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected in skb_array_produce

2017-02-09 Thread Jason Wang
On 2017年02月09日 18:49, Dmitry Vyukov wrote: On Thu, Feb 9, 2017 at 11:02 AM, Jason Wang wrote: - Original Message - Hello, I've got the following report while running syzkaller fuzzer on mmotm (git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git) remotes/mmotm/auto-latest ee4

Re: net: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected in skb_array_produce

2017-02-09 Thread Dmitry Vyukov
On Thu, Feb 9, 2017 at 6:50 PM, Michael S. Tsirkin wrote: > On Thu, Feb 09, 2017 at 11:49:30AM +0100, Dmitry Vyukov wrote: >> On Thu, Feb 9, 2017 at 11:02 AM, Jason Wang wrote: >> > >> > >> > - Original Message - >> >> Hello, >> >> >> >> I've got the following report while running syzkall

Re: net: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected in skb_array_produce

2017-02-09 Thread Michael S. Tsirkin
On Thu, Feb 09, 2017 at 05:02:31AM -0500, Jason Wang wrote: > > > - Original Message - > > Hello, > > > > I've got the following report while running syzkaller fuzzer on mmotm > > (git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git) > > remotes/mmotm/auto-latest ee4ba7533626ba7b

Re: net: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected in skb_array_produce

2017-02-09 Thread Michael S. Tsirkin
On Thu, Feb 09, 2017 at 06:55:41PM +0100, Dmitry Vyukov wrote: > On Thu, Feb 9, 2017 at 6:50 PM, Michael S. Tsirkin wrote: > > On Thu, Feb 09, 2017 at 11:49:30AM +0100, Dmitry Vyukov wrote: > >> On Thu, Feb 9, 2017 at 11:02 AM, Jason Wang wrote: > >> > > >> > > >> > - Original Message - >

Re: net: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected in skb_array_produce

2017-02-09 Thread Michael S. Tsirkin
On Thu, Feb 09, 2017 at 11:49:30AM +0100, Dmitry Vyukov wrote: > On Thu, Feb 9, 2017 at 11:02 AM, Jason Wang wrote: > > > > > > - Original Message - > >> Hello, > >> > >> I've got the following report while running syzkaller fuzzer on mmotm > >> (git://git.kernel.org/pub/scm/linux/kernel/g

Re: net: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected in skb_array_produce

2017-02-09 Thread Dmitry Vyukov
On Thu, Feb 9, 2017 at 11:02 AM, Jason Wang wrote: > > > - Original Message - >> Hello, >> >> I've got the following report while running syzkaller fuzzer on mmotm >> (git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git) >> remotes/mmotm/auto-latest ee4ba7533626ba7bf2f8b992266467ac

Re: net: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected in skb_array_produce

2017-02-09 Thread Jason Wang
- Original Message - > Hello, > > I've got the following report while running syzkaller fuzzer on mmotm > (git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git) > remotes/mmotm/auto-latest ee4ba7533626ba7bf2f8b992266467ac9fdc045e: > [...] > > other info that might help us debu

net: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected in skb_array_produce

2017-02-09 Thread Dmitry Vyukov
Hello, I've got the following report while running syzkaller fuzzer on mmotm (git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git) remotes/mmotm/auto-latest ee4ba7533626ba7bf2f8b992266467ac9fdc045e: [ INFO: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected ] 4.9.0 #7 Not tainted