Re: net/sctp: recursive locking in sctp_do_peeloff

2017-03-22 Thread Dmitry Vyukov
On Wed, Mar 15, 2017 at 7:19 PM, Cong Wang wrote: > On Wed, Mar 15, 2017 at 5:52 AM, Marcelo Ricardo Leitner > wrote: >> On Tue, Mar 14, 2017 at 09:52:15PM -0700, Cong Wang wrote: >>> Instead of checking for the status of the sock, I believe the following >>> one-line fix should do the trick too.

Re: net/sctp: recursive locking in sctp_do_peeloff

2017-03-15 Thread Cong Wang
On Wed, Mar 15, 2017 at 5:52 AM, Marcelo Ricardo Leitner wrote: > On Tue, Mar 14, 2017 at 09:52:15PM -0700, Cong Wang wrote: >> Instead of checking for the status of the sock, I believe the following >> one-line fix should do the trick too. Can you give it a try? >> >> diff --git a/net/sctp/socket

Re: net/sctp: recursive locking in sctp_do_peeloff

2017-03-15 Thread Marcelo Ricardo Leitner
On Tue, Mar 14, 2017 at 09:52:15PM -0700, Cong Wang wrote: > On Fri, Mar 10, 2017 at 12:04 PM, Dmitry Vyukov wrote: > > On Fri, Mar 10, 2017 at 8:46 PM, Marcelo Ricardo Leitner > > wrote: > >> On Fri, Mar 10, 2017 at 4:11 PM, Dmitry Vyukov wrote: > >>> Hello, > >>> > >>> I've got the following r

Re: net/sctp: recursive locking in sctp_do_peeloff

2017-03-15 Thread Dmitry Vyukov
On Wed, Mar 15, 2017 at 5:52 AM, Cong Wang wrote: > On Fri, Mar 10, 2017 at 12:04 PM, Dmitry Vyukov wrote: >> On Fri, Mar 10, 2017 at 8:46 PM, Marcelo Ricardo Leitner >> wrote: >>> On Fri, Mar 10, 2017 at 4:11 PM, Dmitry Vyukov wrote: Hello, I've got the following recursive locki

Re: net/sctp: recursive locking in sctp_do_peeloff

2017-03-14 Thread Cong Wang
On Fri, Mar 10, 2017 at 12:04 PM, Dmitry Vyukov wrote: > On Fri, Mar 10, 2017 at 8:46 PM, Marcelo Ricardo Leitner > wrote: >> On Fri, Mar 10, 2017 at 4:11 PM, Dmitry Vyukov wrote: >>> Hello, >>> >>> I've got the following recursive locking report while running >>> syzkaller fuzzer on net-next/9c

Re: net/sctp: recursive locking in sctp_do_peeloff

2017-03-10 Thread Dmitry Vyukov
On Fri, Mar 10, 2017 at 8:46 PM, Marcelo Ricardo Leitner wrote: > On Fri, Mar 10, 2017 at 4:11 PM, Dmitry Vyukov wrote: >> Hello, >> >> I've got the following recursive locking report while running >> syzkaller fuzzer on net-next/9c28286b1b4b9bce6e35dd4c8a1265f03802a89a: >> >> [ INFO: possible re

Re: net/sctp: recursive locking in sctp_do_peeloff

2017-03-10 Thread Marcelo Ricardo Leitner
On Fri, Mar 10, 2017 at 4:11 PM, Dmitry Vyukov wrote: > Hello, > > I've got the following recursive locking report while running > syzkaller fuzzer on net-next/9c28286b1b4b9bce6e35dd4c8a1265f03802a89a: > > [ INFO: possible recursive locking detected ] > 4.10.0+ #14 Not tainted > --

net/sctp: recursive locking in sctp_do_peeloff

2017-03-10 Thread Dmitry Vyukov
Hello, I've got the following recursive locking report while running syzkaller fuzzer on net-next/9c28286b1b4b9bce6e35dd4c8a1265f03802a89a: [ INFO: possible recursive locking detected ] 4.10.0+ #14 Not tainted - syz-executor3/5560 is trying to acquire l