Re: [PATCH 1/2] mm: fix double mmap_sem unlock on MMF_UNSTABLE enforced SIGBUS

2017-08-14 Thread David Rientjes
On Mon, 7 Aug 2017, Michal Hocko wrote: > From: Michal Hocko > > Tetsuo Handa has noticed that MMF_UNSTABLE SIGBUS path in > handle_mm_fault causes a lockdep splat > [ 58.539455] Out of memory: Kill process 1056 (a.out) score 603 or > sacrifice child > [ 58.543943] Killed

Re: [PATCH 1/2] mm: fix double mmap_sem unlock on MMF_UNSTABLE enforced SIGBUS

2017-08-14 Thread David Rientjes
On Mon, 7 Aug 2017, Michal Hocko wrote: > From: Michal Hocko > > Tetsuo Handa has noticed that MMF_UNSTABLE SIGBUS path in > handle_mm_fault causes a lockdep splat > [ 58.539455] Out of memory: Kill process 1056 (a.out) score 603 or > sacrifice child > [ 58.543943] Killed process 1056

[PATCH 1/2] mm: fix double mmap_sem unlock on MMF_UNSTABLE enforced SIGBUS

2017-08-07 Thread Michal Hocko
From: Michal Hocko Tetsuo Handa has noticed that MMF_UNSTABLE SIGBUS path in handle_mm_fault causes a lockdep splat [ 58.539455] Out of memory: Kill process 1056 (a.out) score 603 or sacrifice child [ 58.543943] Killed process 1056 (a.out) total-vm:4268108kB,

[PATCH 1/2] mm: fix double mmap_sem unlock on MMF_UNSTABLE enforced SIGBUS

2017-08-07 Thread Michal Hocko
From: Michal Hocko Tetsuo Handa has noticed that MMF_UNSTABLE SIGBUS path in handle_mm_fault causes a lockdep splat [ 58.539455] Out of memory: Kill process 1056 (a.out) score 603 or sacrifice child [ 58.543943] Killed process 1056 (a.out) total-vm:4268108kB, anon-rss:2246048kB,

[PATCH 1/2] mm: fix double mmap_sem unlock on MMF_UNSTABLE enforced SIGBUS

2017-08-04 Thread Michal Hocko
From: Michal Hocko Tetsuo Handa has noticed that MMF_UNSTABLE SIGBUS path in handle_mm_fault causes a lockdep splat [ 58.539455] Out of memory: Kill process 1056 (a.out) score 603 or sacrifice child [ 58.543943] Killed process 1056 (a.out) total-vm:4268108kB,

[PATCH 1/2] mm: fix double mmap_sem unlock on MMF_UNSTABLE enforced SIGBUS

2017-08-04 Thread Michal Hocko
From: Michal Hocko Tetsuo Handa has noticed that MMF_UNSTABLE SIGBUS path in handle_mm_fault causes a lockdep splat [ 58.539455] Out of memory: Kill process 1056 (a.out) score 603 or sacrifice child [ 58.543943] Killed process 1056 (a.out) total-vm:4268108kB, anon-rss:2246048kB,