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Re: [Linux-stable-mirror] [PATCH 04/17] lpfc: Fix crash after bad bar setup on driver attachment

by Hannes Reinecke

On 11/03/2017 11:56 PM, James Smart wrote: > In test cases where an instance of the driver is detached and > reattached, the driver will crash on reattachment. There is a > compound if statement that will skip over the bar setup if > the pci_resource_start call is not successful. The driver > erroneously returns success to its bar setup in this scenario > even though the bars aren't properly configured. > > Rework the offending code segment for proper initialization steps. > If the pci_resource_start call fails, -ENOMEM is now returned. > > Sample stack: > > rport-5:0-10: blocked FC remote port time out: removing rport > BUG: unable to handle kernel NULL pointer dereference at (null) > ... lpfc_sli4_wait_bmbx_ready+0x32/0x70 [lpfc] > ... > ... RIP: 0010:... ... lpfc_sli4_wait_bmbx_ready+0x32/0x70 [lpfc] > Call Trace: > ... lpfc_sli4_post_sync_mbox+0x106/0x4d0 [lpfc] > ... ? __alloc_pages_nodemask+0x176/0x420 > ... ? __kmalloc+0x2e/0x230 > ... lpfc_sli_issue_mbox_s4+0x533/0x720 [lpfc] > ... ? mempool_alloc+0x69/0x170 > ... ? dma_generic_alloc_coherent+0x8f/0x140 > ... lpfc_sli_issue_mbox+0xf/0x20 [lpfc] > ... lpfc_sli4_driver_resource_setup+0xa6f/0x1130 [lpfc] > ... ? lpfc_pci_probe_one+0x23e/0x16f0 [lpfc] > ... lpfc_pci_probe_one+0x445/0x16f0 [lpfc] > ... local_pci_probe+0x45/0xa0 > ... work_for_cpu_fn+0x14/0x20 > ... process_one_work+0x17a/0x440 > > Cc: <stable(a)vger.kernel.org> # 4.12+ > Signed-off-by: Dick Kennedy <dick.kennedy(a)broadcom.com> > Signed-off-by: James Smart <james.smart(a)broadcom.com> > --- > drivers/scsi/lpfc/lpfc_init.c | 84 ++++++++++++++++++++++++++----------------- > 1 file changed, 51 insertions(+), 33 deletions(-) > Reviewed-by: Hannes Reinecke <hare(a)suse.com> Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare(a)suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG Nürnberg)

7 years, 2 months

Re: [Linux-stable-mirror] [PATCH 4.4 00/40] 4.4.97-stable review

by Greg Kroah-Hartman

On Tue, Nov 07, 2017 at 04:55:36PM -0600, Tom Gall wrote: > > > On Nov 6, 2017, at 3:44 AM, Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> wrote: > > > > This is the start of the stable review cycle for the 4.4.97 release. > > There are 40 patches in this series, all will be posted as a response > > to this one. If anyone has any issues with these being applied, please > > let me know. > > > > Responses should be made by Wed Nov 8 09:44:42 UTC 2017. > > Anything received after that time might be too late. > > > > The whole patch series can be found in one patch at: > > kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.4.97-rc1.gz > > or in the git tree and branch at: > > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.4.y > > and the diffstat can be found below. > > > > thanks, > > > > greg k-h > > > > Results from Linaro’s test farm. As per usual HiKey results held separate because it’s platform support is out of tree. Thanks for letting me know, but howcome you all are not testing 4.13 releases? thanks, greg k-h

7 years, 2 months

Re: [Linux-stable-mirror] [PATCH 4.9 00/67] 4.9.61-stable review

by Greg Kroah-Hartman

On Tue, Nov 07, 2017 at 04:49:07PM -0600, Tom Gall wrote: > > > On Nov 6, 2017, at 3:43 AM, Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> wrote: > > > > This is the start of the stable review cycle for the 4.9.61 release. > > There are 67 patches in this series, all will be posted as a response > > to this one. If anyone has any issues with these being applied, please > > let me know. > > > > Responses should be made by Wed Nov 8 09:12:36 UTC 2017. > > Anything received after that time might be too late. > > > > The whole patch series can be found in one patch at: > > kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.9.61-rc1.gz > > or in the git tree and branch at: > > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y > > and the diffstat can be found below. > > > > thanks, > > > > greg k-h > > > > Results from the Linaro test farm. Nothing out of the ordinary this time around. You still need a '\n', or a decent editor/email client :) Thanks for the test reports. greg k-h

7 years, 2 months

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