Re: [RFC PATCH V2] fs null_blk: Null pointer deference problem in alloc_page_buffers

2014-01-20 Thread Raghavendra K T
On 01/20/2014 10:02 PM, Matias Bjorling wrote: On 01/20/2014 04:58 AM, Raghavendra K T wrote: If we load the null_blk module with bs=8k we get following oops: [ 3819.812190] BUG: unable to handle kernel NULL pointer dereference at 0008 [ 3819.812387] IP: []

Re: [RFC PATCH V2] fs null_blk: Null pointer deference problem in alloc_page_buffers

2014-01-20 Thread Matias Bjorling
On 01/20/2014 04:58 AM, Raghavendra K T wrote: > If we load the null_blk module with bs=8k we get following oops: > [ 3819.812190] BUG: unable to handle kernel NULL pointer dereference at > 0008 > [ 3819.812387] IP: [] create_empty_buffers+0x28/0xaf > [ 3819.812527] PGD 219244067 PUD

[RFC PATCH V2] fs null_blk: Null pointer deference problem in alloc_page_buffers

2014-01-20 Thread Raghavendra K T
If we load the null_blk module with bs=8k we get following oops: [ 3819.812190] BUG: unable to handle kernel NULL pointer dereference at 0008 [ 3819.812387] IP: [] create_empty_buffers+0x28/0xaf [ 3819.812527] PGD 219244067 PUD 215a06067 PMD 0 [ 3819.812640] Oops: [#1] SMP [

[RFC PATCH V2] fs null_blk: Null pointer deference problem in alloc_page_buffers

2014-01-20 Thread Raghavendra K T
If we load the null_blk module with bs=8k we get following oops: [ 3819.812190] BUG: unable to handle kernel NULL pointer dereference at 0008 [ 3819.812387] IP: [81170aa5] create_empty_buffers+0x28/0xaf [ 3819.812527] PGD 219244067 PUD 215a06067 PMD 0 [ 3819.812640] Oops:

Re: [RFC PATCH V2] fs null_blk: Null pointer deference problem in alloc_page_buffers

2014-01-20 Thread Matias Bjorling
On 01/20/2014 04:58 AM, Raghavendra K T wrote: If we load the null_blk module with bs=8k we get following oops: [ 3819.812190] BUG: unable to handle kernel NULL pointer dereference at 0008 [ 3819.812387] IP: [81170aa5] create_empty_buffers+0x28/0xaf [ 3819.812527] PGD

Re: [RFC PATCH V2] fs null_blk: Null pointer deference problem in alloc_page_buffers

2014-01-20 Thread Raghavendra K T
On 01/20/2014 10:02 PM, Matias Bjorling wrote: On 01/20/2014 04:58 AM, Raghavendra K T wrote: If we load the null_blk module with bs=8k we get following oops: [ 3819.812190] BUG: unable to handle kernel NULL pointer dereference at 0008 [ 3819.812387] IP: [81170aa5]