Re: ipc: BUG: sem_unlock unlocks non-locked lock

2016-12-18 Thread Manfred Spraul
On 12/18/2016 05:29 PM, Davidlohr Bueso wrote: On Sun, 18 Dec 2016, Bueso wrote: On Fri, 16 Dec 2016, Dmitry Vyukov wrote: [ BUG: bad unlock balance detected! ] 4.9.0+ #89 Not tainted Thanks for the report, I can reproduce the issue as of (which I obviously should have tested with lockdep

Re: ipc: BUG: sem_unlock unlocks non-locked lock

2016-12-18 Thread Davidlohr Bueso
On Sun, 18 Dec 2016, Bueso wrote: On Fri, 16 Dec 2016, Dmitry Vyukov wrote: [ BUG: bad unlock balance detected! ] 4.9.0+ #89 Not tainted Thanks for the report, I can reproduce the issue as of (which I obviously should have tested with lockdep): 370b262c896 (ipc/sem: avoid idr tree lookup fo

Re: ipc: BUG: sem_unlock unlocks non-locked lock

2016-12-18 Thread Davidlohr Bueso
On Fri, 16 Dec 2016, Dmitry Vyukov wrote: [ BUG: bad unlock balance detected! ] 4.9.0+ #89 Not tainted Thanks for the report, I can reproduce the issue as of (which I obviously should have tested with lockdep): 370b262c896 (ipc/sem: avoid idr tree lookup for interrupted semop) I need to thin

ipc: BUG: sem_unlock unlocks non-locked lock

2016-12-16 Thread Dmitry Vyukov
Hello, The following program causes BUG: bad unlock balance detected! https://gist.githubusercontent.com/dvyukov/d0e5efefe4d7d6daed829f5c3ca26a40/raw/08d0a261fe3c987bed04fbf267e08ba04bd533ea/gistfile1.txt On commit 5cc60aeedf315a7513f92e98314e86d515b986d1 (Dec 14). [ BUG: bad unlock balance det