Re: [PATCH 1/1] be2net: Detach interface for avoiding a system crash

2019-04-25 Thread Saeed Mahameed
On Wed, 2019-04-24 at 13:53 +0800, Firo wrote: > > On 4/20/19 6:31 AM, Saeed Mahameed wrote: > > On Fri, 2019-04-19 at 21:07 +0800, Firo wrote: > > > On 4/19/19 2:17 AM, Saeed Mahameed wrote: > > > > On Thu, 2019-04-18 at 15:05 +0800, Firo wrote: > > > > > On 4/2/19 12:25 AM, Saeed Mahameed wrote:

Re: [PATCH 1/1] be2net: Detach interface for avoiding a system crash

2019-04-23 Thread Firo
On 4/20/19 6:31 AM, Saeed Mahameed wrote: > On Fri, 2019-04-19 at 21:07 +0800, Firo wrote: >> >> On 4/19/19 2:17 AM, Saeed Mahameed wrote: >>> On Thu, 2019-04-18 at 15:05 +0800, Firo wrote: On 4/2/19 12:25 AM, Saeed Mahameed wrote: > On Mon, 2019-04-01 at 20:24 +0800, Firo Yang wrote: >

Re: [PATCH 1/1] be2net: Detach interface for avoiding a system crash

2019-04-19 Thread Saeed Mahameed
On Fri, 2019-04-19 at 21:07 +0800, Firo wrote: > > On 4/19/19 2:17 AM, Saeed Mahameed wrote: > > On Thu, 2019-04-18 at 15:05 +0800, Firo wrote: > > > On 4/2/19 12:25 AM, Saeed Mahameed wrote: > > > > On Mon, 2019-04-01 at 20:24 +0800, Firo Yang wrote: > > > > > This crash is triggered by a user-af

Re: [PATCH 1/1] be2net: Detach interface for avoiding a system crash

2019-04-19 Thread Firo
On 4/19/19 2:17 AM, Saeed Mahameed wrote: > On Thu, 2019-04-18 at 15:05 +0800, Firo wrote: >> >> On 4/2/19 12:25 AM, Saeed Mahameed wrote: >>> On Mon, 2019-04-01 at 20:24 +0800, Firo Yang wrote: This crash is triggered by a user-after-free since lake of the synchronization of a race co

Re: [PATCH 1/1] be2net: Detach interface for avoiding a system crash

2019-04-18 Thread Saeed Mahameed
On Thu, 2019-04-18 at 15:05 +0800, Firo wrote: > > On 4/2/19 12:25 AM, Saeed Mahameed wrote: > > On Mon, 2019-04-01 at 20:24 +0800, Firo Yang wrote: > > > This crash is triggered by a user-after-free since lake of > > > the synchronization of a race condition between > > > be_update_queues() modi

Re: [PATCH 1/1] be2net: Detach interface for avoiding a system crash

2019-04-18 Thread Firo
On 4/2/19 12:25 AM, Saeed Mahameed wrote: > On Mon, 2019-04-01 at 20:24 +0800, Firo Yang wrote: >> This crash is triggered by a user-after-free since lake of >> the synchronization of a race condition between >> be_update_queues() modifying multi-purpose channels of >> network device and be_tx_

Re: [PATCH 1/1] be2net: Detach interface for avoiding a system crash

2019-04-02 Thread Firo
On 4/2/19 12:25 AM, Saeed Mahameed wrote: > On Mon, 2019-04-01 at 20:24 +0800, Firo Yang wrote: >> This crash is triggered by a user-after-free since lake of >> the synchronization of a race condition between >> be_update_queues() modifying multi-purpose channels of >> network device and be_tx

Re: [PATCH 1/1] be2net: Detach interface for avoiding a system crash

2019-04-01 Thread Saeed Mahameed
On Mon, 2019-04-01 at 20:24 +0800, Firo Yang wrote: > This crash is triggered by a user-after-free since lake of > the synchronization of a race condition between > be_update_queues() modifying multi-purpose channels of > network device and be_tx_timeout(). > > BUG: unable to handle kernel NULL p

[PATCH 1/1] be2net: Detach interface for avoiding a system crash

2019-04-01 Thread Firo Yang
This crash is triggered by a user-after-free since lake of the synchronization of a race condition between be_update_queues() modifying multi-purpose channels of network device and be_tx_timeout(). BUG: unable to handle kernel NULL pointer dereference at (null) Call Trace: be_tx_timeout+0xa5/0x36