Re: mm, ksm: NULL ptr deref in unstable_tree_search_insert

2012-12-19 Thread Hugh Dickins
On Wed, 19 Dec 2012, Hugh Dickins wrote: > On Wed, 19 Dec 2012, Petr Holasek wrote: > > > > > > For the moment, you're safer not to run KSM: configure it out or don't > > > set it to run. Fixes to follow later, I'll try to remember to Cc you. > > Sadly I couldn't send out fixes yesterday,

Re: mm, ksm: NULL ptr deref in unstable_tree_search_insert

2012-12-19 Thread Hugh Dickins
On Wed, 19 Dec 2012, Petr Holasek wrote: > On Tue, 18 Dec 2012, Hugh Dickins wrote: > > On Tue, 18 Dec 2012, Sasha Levin wrote: > > > > > Hi all, > > > > > > While fuzzing with trinity inside a KVM tools guest, running latest > > > linux-next kernel, I've > > > stumbled on the following: > > >

Re: mm, ksm: NULL ptr deref in unstable_tree_search_insert

2012-12-19 Thread Petr Holasek
On Tue, 18 Dec 2012, Hugh Dickins wrote: > On Tue, 18 Dec 2012, Sasha Levin wrote: > > > Hi all, > > > > While fuzzing with trinity inside a KVM tools guest, running latest > > linux-next kernel, I've > > stumbled on the following: > > > > [ 127.959264] BUG: unable to handle kernel NULL

Re: mm, ksm: NULL ptr deref in unstable_tree_search_insert

2012-12-19 Thread Petr Holasek
On Tue, 18 Dec 2012, Hugh Dickins wrote: > On Tue, 18 Dec 2012, Sasha Levin wrote: > > > Hi all, > > > > While fuzzing with trinity inside a KVM tools guest, running latest > > linux-next kernel, I've > > stumbled on the following: > > > > [ 127.959264] BUG: unable to handle kernel NULL

Re: mm, ksm: NULL ptr deref in unstable_tree_search_insert

2012-12-19 Thread Petr Holasek
On Tue, 18 Dec 2012, Hugh Dickins wrote: On Tue, 18 Dec 2012, Sasha Levin wrote: Hi all, While fuzzing with trinity inside a KVM tools guest, running latest linux-next kernel, I've stumbled on the following: [ 127.959264] BUG: unable to handle kernel NULL pointer dereference

Re: mm, ksm: NULL ptr deref in unstable_tree_search_insert

2012-12-19 Thread Petr Holasek
On Tue, 18 Dec 2012, Hugh Dickins wrote: On Tue, 18 Dec 2012, Sasha Levin wrote: Hi all, While fuzzing with trinity inside a KVM tools guest, running latest linux-next kernel, I've stumbled on the following: [ 127.959264] BUG: unable to handle kernel NULL pointer dereference

Re: mm, ksm: NULL ptr deref in unstable_tree_search_insert

2012-12-19 Thread Hugh Dickins
On Wed, 19 Dec 2012, Petr Holasek wrote: On Tue, 18 Dec 2012, Hugh Dickins wrote: On Tue, 18 Dec 2012, Sasha Levin wrote: Hi all, While fuzzing with trinity inside a KVM tools guest, running latest linux-next kernel, I've stumbled on the following: [ 127.959264] BUG:

Re: mm, ksm: NULL ptr deref in unstable_tree_search_insert

2012-12-19 Thread Hugh Dickins
On Wed, 19 Dec 2012, Hugh Dickins wrote: On Wed, 19 Dec 2012, Petr Holasek wrote: For the moment, you're safer not to run KSM: configure it out or don't set it to run. Fixes to follow later, I'll try to remember to Cc you. Sadly I couldn't send out fixes yesterday, because my

Re: mm, ksm: NULL ptr deref in unstable_tree_search_insert

2012-12-18 Thread Hugh Dickins
On Tue, 18 Dec 2012, Sasha Levin wrote: > Hi all, > > While fuzzing with trinity inside a KVM tools guest, running latest > linux-next kernel, I've > stumbled on the following: > > [ 127.959264] BUG: unable to handle kernel NULL pointer dereference at > 0110 > [ 127.960379] IP:

mm, ksm: NULL ptr deref in unstable_tree_search_insert

2012-12-18 Thread Sasha Levin
Hi all, While fuzzing with trinity inside a KVM tools guest, running latest linux-next kernel, I've stumbled on the following: [ 127.959264] BUG: unable to handle kernel NULL pointer dereference at 0110 [ 127.960379] IP: [] __lock_acquire+0xb0/0xa90 [ 127.960379] PGD cc54067 PUD

mm, ksm: NULL ptr deref in unstable_tree_search_insert

2012-12-18 Thread Sasha Levin
Hi all, While fuzzing with trinity inside a KVM tools guest, running latest linux-next kernel, I've stumbled on the following: [ 127.959264] BUG: unable to handle kernel NULL pointer dereference at 0110 [ 127.960379] IP: [81185b60] __lock_acquire+0xb0/0xa90 [ 127.960379]

Re: mm, ksm: NULL ptr deref in unstable_tree_search_insert

2012-12-18 Thread Hugh Dickins
On Tue, 18 Dec 2012, Sasha Levin wrote: Hi all, While fuzzing with trinity inside a KVM tools guest, running latest linux-next kernel, I've stumbled on the following: [ 127.959264] BUG: unable to handle kernel NULL pointer dereference at 0110 [ 127.960379] IP: