Re: BUG: KASAN: use-after-free in scsi_exit_rq

2017-05-02 Thread Bart Van Assche
On Tue, 2017-05-02 at 16:41 +0200, Jan Kara wrote: > So I'm also not aware of any particular breakage this would cause. However > logically the freeing of request mempools really belongs to > blk_release_queue() so it seems a bit dumb to move blk_exit_rl() just > because SCSI stores the fact from w

Re: BUG: KASAN: use-after-free in scsi_exit_rq

2017-05-02 Thread Jan Kara
On Fri 28-04-17 17:46:47, Tejun Heo wrote: > On Fri, Apr 21, 2017 at 09:49:17PM +, Bart Van Assche wrote: > > On Thu, 2017-04-20 at 15:18 -0600, Scott Bauer wrote: > > > [ 642.638860] BUG: KASAN: use-after-free in scsi_exit_rq+0xf3/0x120 at > > > addr 8802b

Re: BUG: KASAN: use-after-free in scsi_exit_rq

2017-04-28 Thread t...@kernel.org
(cc'ing Jan) Hello, Bart. On Fri, Apr 21, 2017 at 09:49:17PM +, Bart Van Assche wrote: > On Thu, 2017-04-20 at 15:18 -0600, Scott Bauer wrote: > > [ 642.638860] BUG: KASAN: use-after-free in scsi_exit_rq+0xf3/0x120 at > > addr 8802b7fedf00 > > [ 642.6393

Re: BUG: KASAN: use-after-free in scsi_exit_rq

2017-04-21 Thread Bart Van Assche
On Thu, 2017-04-20 at 15:18 -0600, Scott Bauer wrote: > [ 642.638860] BUG: KASAN: use-after-free in scsi_exit_rq+0xf3/0x120 at addr > 8802b7fedf00 > [ 642.639362] Read of size 1 by task rcuos/5/53 > [ 642.639713] CPU: 7 PID: 53 Comm: rcuos/6 Not tainted 4.11.0-rc5+ #13 >

BUG: KASAN: use-after-free in scsi_exit_rq

2017-04-20 Thread Scott Bauer
] == [ 642.638860] BUG: KASAN: use-after-free in scsi_exit_rq+0xf3/0x120 at addr 8802b7fedf00 [ 642.639362] Read of size 1 by task rcuos/5/53 [ 642.639713] CPU: 7 PID: 53 Comm: rcuos/6 Not tainted 4.11.0-rc5+ #13 [ 642.640170