Re: [PATCH 1/2] btrfs: check page->mapping when loading free space cache

2019-10-15 Thread David Sterba
On Tue, Sep 24, 2019 at 04:50:43PM -0400, Josef Bacik wrote: > While testing 5.2 we ran into the following panic > > [52238.017028] BUG: kernel NULL pointer dereference, address: 0001 > [52238.105608] RIP: 0010:drop_buffers+0x3d/0x150 > [52238.304051] Call Trace: > [52238.308958] try_

Re: [PATCH 1/2] btrfs: check page->mapping when loading free space cache

2019-09-27 Thread Nikolay Borisov
On 24.09.19 г. 23:50 ч., Josef Bacik wrote: > While testing 5.2 we ran into the following panic > > [52238.017028] BUG: kernel NULL pointer dereference, address: 0001 > [52238.105608] RIP: 0010:drop_buffers+0x3d/0x150 > [52238.304051] Call Trace: > [52238.308958] try_to_free_buffer

Re: [PATCH 1/2] btrfs: check page->mapping when loading free space cache

2019-09-27 Thread Filipe Manana
On Thu, Sep 26, 2019 at 11:53 AM Josef Bacik wrote: > > While testing 5.2 we ran into the following panic > > [52238.017028] BUG: kernel NULL pointer dereference, address: 0001 > [52238.105608] RIP: 0010:drop_buffers+0x3d/0x150 > [52238.304051] Call Trace: > [52238.308958] try_to_free

[PATCH 1/2] btrfs: check page->mapping when loading free space cache

2019-09-24 Thread Josef Bacik
While testing 5.2 we ran into the following panic [52238.017028] BUG: kernel NULL pointer dereference, address: 0001 [52238.105608] RIP: 0010:drop_buffers+0x3d/0x150 [52238.304051] Call Trace: [52238.308958] try_to_free_buffers+0x15b/0x1b0 [52238.317503] shrink_page_list+0x1164/0x178