Re: mm: sleeping function called from invalid context shmem_undo_range

2017-02-02 Thread Hillf Danton
On January 31, 2017 5:32 PM Kirill A. Shutemov wrote: > On Tue, Jan 31, 2017 at 09:27:41AM +0100, Dmitry Vyukov wrote: > > Hello, > > > > I've got the following report while running syzkaller fuzzer on > > fd694aaa46c7ed811b72eb47d5eb11ce7ab3f7f1: > > This should help: > > From fb85b3fe273decb1

Re: mm: sleeping function called from invalid context shmem_undo_range

2017-01-31 Thread Kirill A. Shutemov
On Tue, Jan 31, 2017 at 09:27:41AM +0100, Dmitry Vyukov wrote: > Hello, > > I've got the following report while running syzkaller fuzzer on > fd694aaa46c7ed811b72eb47d5eb11ce7ab3f7f1: This should help: >From fb85b3fe273decb11c558d56257193424b8f071a Mon Sep 17 00:00:00 2001 From: "Kirill A. Shute

mm: sleeping function called from invalid context shmem_undo_range

2017-01-31 Thread Dmitry Vyukov
Hello, I've got the following report while running syzkaller fuzzer on fd694aaa46c7ed811b72eb47d5eb11ce7ab3f7f1: BUG: sleeping function called from invalid context at mm/shmem.c:852 in_atomic(): 1, irqs_disabled(): 0, pid: 529, name: khugepaged 3 locks held by khugepaged/529: #0: (shrinker_rwse