Re: net/dccp: dccp_create_openreq_child freed held lock

2017-05-04 Thread David Miller
From: Andrey Konovalov Date: Thu, 4 May 2017 15:36:37 +0200 > On Wed, Mar 1, 2017 at 4:40 PM, Arnaldo Carvalho de Melo > wrote: >> Em Wed, Mar 01, 2017 at 12:35:10PM -0300, Arnaldo Carvalho de Melo escreveu: >>> Em Wed, Mar 01, 2017 at 10:38:54AM +0100, Dmitry Vyukov escreveu: >>> > Hello, >>> >

Re: net/dccp: dccp_create_openreq_child freed held lock

2017-05-04 Thread Andrey Konovalov
On Thu, May 4, 2017 at 3:53 PM, David Miller wrote: > From: Andrey Konovalov > Date: Thu, 4 May 2017 15:36:37 +0200 > >> On Wed, Mar 1, 2017 at 4:40 PM, Arnaldo Carvalho de Melo >> wrote: >>> Em Wed, Mar 01, 2017 at 12:35:10PM -0300, Arnaldo Carvalho de Melo escreveu: Em Wed, Mar 01, 2017 a

Re: net/dccp: dccp_create_openreq_child freed held lock

2017-05-04 Thread Andrey Konovalov
On Wed, Mar 1, 2017 at 4:40 PM, Arnaldo Carvalho de Melo wrote: > Em Wed, Mar 01, 2017 at 12:35:10PM -0300, Arnaldo Carvalho de Melo escreveu: >> Em Wed, Mar 01, 2017 at 10:38:54AM +0100, Dmitry Vyukov escreveu: >> > Hello, >> > >> > I've got the following report while running syzkaller fuzzer on

Re: net/dccp: dccp_create_openreq_child freed held lock

2017-03-02 Thread Dmitry Vyukov
On Wed, Mar 1, 2017 at 4:35 PM, Arnaldo Carvalho de Melo wrote: > Em Wed, Mar 01, 2017 at 10:38:54AM +0100, Dmitry Vyukov escreveu: >> Hello, >> >> I've got the following report while running syzkaller fuzzer on >> 86292b33d4b79ee03e2f43ea0381ef85f077c760: >> >> >> It seems that dccp_create_openre

Re: net/dccp: dccp_create_openreq_child freed held lock

2017-03-01 Thread Arnaldo Carvalho de Melo
Em Wed, Mar 01, 2017 at 10:38:54AM +0100, Dmitry Vyukov escreveu: > Hello, > > I've got the following report while running syzkaller fuzzer on > 86292b33d4b79ee03e2f43ea0381ef85f077c760: > > > It seems that dccp_create_openreq_child needs to unlock the sock if > dccp_feat_activate_values fails.

Re: net/dccp: dccp_create_openreq_child freed held lock

2017-03-01 Thread Arnaldo Carvalho de Melo
Em Wed, Mar 01, 2017 at 12:35:10PM -0300, Arnaldo Carvalho de Melo escreveu: > Em Wed, Mar 01, 2017 at 10:38:54AM +0100, Dmitry Vyukov escreveu: > > Hello, > > > > I've got the following report while running syzkaller fuzzer on > > 86292b33d4b79ee03e2f43ea0381ef85f077c760: > > > > > > It seems t

net/dccp: dccp_create_openreq_child freed held lock

2017-03-01 Thread Dmitry Vyukov
Hello, I've got the following report while running syzkaller fuzzer on 86292b33d4b79ee03e2f43ea0381ef85f077c760: [ BUG: held lock freed! ] 4.10.0+ #234 Not tainted - syz-executor6/6898 is freeing memory 88006286cac0-88006286d3b7, with a lock still held there! (slo