* [PATCH] RDMA/uverbs: Fix the check for port number @ 2017-07-26 15:14 Mustafa Ismail 0 siblings, 0 replies; 11+ messages in thread From: Mustafa Ismail @ 2017-07-26 15:14 UTC (permalink / raw) To: mustafa.ismail; +Cc: # v4 . 2-v4 . 9, security The port number is only valid if IB_QP_PORT is set in the mask. So only check port number if it is valid to prevent modify_qp from failing due to an invalid port number. Fixes: 5ecce4c9b17b("Check port number supplied by user verbs cmds") Cc: <stable@vger.kernel.org> # v4.2-v4.9 Cc: <security@kernel.org> Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Upstream commit 5a7a88f1b488("Fix the check for port number") Modified from upstream commit: helper function rdma_is_port_valid does not exist in these kernel versions. --- drivers/infiniband/core/uverbs_cmd.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 01e3a37..d118ffe 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -2342,8 +2342,9 @@ ssize_t ib_uverbs_modify_qp(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - if (cmd.port_num < rdma_start_port(ib_dev) || - cmd.port_num > rdma_end_port(ib_dev)) + if ((cmd.attr_mask & IB_QP_PORT) && + (cmd.port_num < rdma_start_port(ib_dev) || + cmd.port_num > rdma_end_port(ib_dev))) return -EINVAL; INIT_UDATA(&udata, buf + sizeof cmd, NULL, in_len - sizeof cmd, -- 1.8.3.1 ^ permalink raw reply related [flat|nested] 11+ messages in thread
* [PATCH] RDMA/uverbs: Fix the check for port number @ 2017-07-26 15:18 Mustafa Ismail 0 siblings, 0 replies; 11+ messages in thread From: Mustafa Ismail @ 2017-07-26 15:18 UTC (permalink / raw) To: mustafa.ismail Cc: chien.tin.tung, tatyana.e.nikolova, henry.orosco, sindhu.devale, # v4 . 2-v4 . 9, security The port number is only valid if IB_QP_PORT is set in the mask. So only check port number if it is valid to prevent modify_qp from failing due to an invalid port number. Fixes: 5ecce4c9b17b("Check port number supplied by user verbs cmds") Cc: <stable@vger.kernel.org> # v4.2-v4.9 Cc: <security@kernel.org> Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Upstream commit 5a7a88f1b488("Fix the check for port number") Modified from upstream commit: helper function rdma_is_port_valid does not exist in these kernel versions. --- drivers/infiniband/core/uverbs_cmd.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 01e3a37..d118ffe 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -2342,8 +2342,9 @@ ssize_t ib_uverbs_modify_qp(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - if (cmd.port_num < rdma_start_port(ib_dev) || - cmd.port_num > rdma_end_port(ib_dev)) + if ((cmd.attr_mask & IB_QP_PORT) && + (cmd.port_num < rdma_start_port(ib_dev) || + cmd.port_num > rdma_end_port(ib_dev))) return -EINVAL; INIT_UDATA(&udata, buf + sizeof cmd, NULL, in_len - sizeof cmd, -- 1.8.3.1 ^ permalink raw reply related [flat|nested] 11+ messages in thread
* [PATCH] RDMA/uverbs: Fix the check for port number @ 2017-07-26 16:14 Mustafa Ismail [not found] ` <1501085686-12916-1-git-send-email-mustafa.ismail-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> 0 siblings, 1 reply; 11+ messages in thread From: Mustafa Ismail @ 2017-07-26 16:14 UTC (permalink / raw) To: linux-rdma Cc: mustafa.ismail, e1000-rdma, chien.tin.tung, shiraz.saleem, # v4 . 2-v4 . 9, security, Doug Ledford, Steve Wise, Mike Marciniszyn The port number is only valid if IB_QP_PORT is set in the mask. So only check port number if it is valid to prevent modify_qp from failing due to an invalid port number. Fixes: 5ecce4c9b17b("Check port number supplied by user verbs cmds") Cc: <stable@vger.kernel.org> # v4.2-v4.9 Cc: <security@kernel.org> Cc: Doug Ledford <dledford@redhat.com> Cc: Steve Wise <swise@opengridcomputing.com> Cc: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Upstream commit 5a7a88f1b488("Fix the check for port number") Modified from upstream commit: helper function rdma_is_port_valid does not exist in these kernel versions. --- drivers/infiniband/core/uverbs_cmd.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 01e3a37..d118ffe 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -2342,8 +2342,9 @@ ssize_t ib_uverbs_modify_qp(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - if (cmd.port_num < rdma_start_port(ib_dev) || - cmd.port_num > rdma_end_port(ib_dev)) + if ((cmd.attr_mask & IB_QP_PORT) && + (cmd.port_num < rdma_start_port(ib_dev) || + cmd.port_num > rdma_end_port(ib_dev))) return -EINVAL; INIT_UDATA(&udata, buf + sizeof cmd, NULL, in_len - sizeof cmd, -- 1.8.3.1 ^ permalink raw reply related [flat|nested] 11+ messages in thread
[parent not found: <1501085686-12916-1-git-send-email-mustafa.ismail-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>]
* Re: [PATCH] RDMA/uverbs: Fix the check for port number 2017-07-26 16:14 Mustafa Ismail @ 2017-08-03 22:41 ` Greg KH 0 siblings, 0 replies; 11+ messages in thread From: Greg KH @ 2017-08-03 22:41 UTC (permalink / raw) To: Mustafa Ismail Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA, e1000-rdma-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f, chien.tin.tung-ral2JQCrhuEAvxtiuMwx3w, shiraz.saleem-ral2JQCrhuEAvxtiuMwx3w, # v4 . 2-v4 . 9, security-DgEjT+Ai2ygdnm+yROfE0A, Doug Ledford, Steve Wise, Mike Marciniszyn On Wed, Jul 26, 2017 at 11:14:46AM -0500, Mustafa Ismail wrote: > The port number is only valid if IB_QP_PORT is set in the mask. > So only check port number if it is valid to prevent modify_qp > from failing due to an invalid port number. > > Fixes: 5ecce4c9b17b("Check port number supplied by user verbs cmds") > Cc: <stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org> # v4.2-v4.9 > Cc: <security-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> > Cc: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> > Cc: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org> > Cc: Mike Marciniszyn <mike.marciniszyn-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> > > Signed-off-by: Mustafa Ismail <mustafa.ismail-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> > > Upstream commit 5a7a88f1b488("Fix the check for port number") > Modified from upstream commit: helper function rdma_is_port_valid does not > exist in these kernel versions. Note, you sent this 3 times for some reason, why? Also, it was hard to figure out what to do with it, I think it was ment for me to apply to the 4.4 and 4.9-stable trees, right? If so, I've done that, if not, please let me know. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [PATCH] RDMA/uverbs: Fix the check for port number @ 2017-08-03 22:41 ` Greg KH 0 siblings, 0 replies; 11+ messages in thread From: Greg KH @ 2017-08-03 22:41 UTC (permalink / raw) To: Mustafa Ismail Cc: linux-rdma, e1000-rdma, chien.tin.tung, shiraz.saleem, # v4 . 2-v4 . 9, security, Doug Ledford, Steve Wise, Mike Marciniszyn On Wed, Jul 26, 2017 at 11:14:46AM -0500, Mustafa Ismail wrote: > The port number is only valid if IB_QP_PORT is set in the mask. > So only check port number if it is valid to prevent modify_qp > from failing due to an invalid port number. > > Fixes: 5ecce4c9b17b("Check port number supplied by user verbs cmds") > Cc: <stable@vger.kernel.org> # v4.2-v4.9 > Cc: <security@kernel.org> > Cc: Doug Ledford <dledford@redhat.com> > Cc: Steve Wise <swise@opengridcomputing.com> > Cc: Mike Marciniszyn <mike.marciniszyn@intel.com> > > Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> > > Upstream commit 5a7a88f1b488("Fix the check for port number") > Modified from upstream commit: helper function rdma_is_port_valid does not > exist in these kernel versions. Note, you sent this 3 times for some reason, why? Also, it was hard to figure out what to do with it, I think it was ment for me to apply to the 4.4 and 4.9-stable trees, right? If so, I've done that, if not, please let me know. thanks, greg k-h ^ permalink raw reply [flat|nested] 11+ messages in thread
[parent not found: <20170803224149.GF2396-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>]
* RE: [PATCH] RDMA/uverbs: Fix the check for port number 2017-08-03 22:41 ` Greg KH @ 2017-08-03 23:34 ` Saleem, Shiraz -1 siblings, 0 replies; 11+ messages in thread From: Saleem, Shiraz @ 2017-08-03 23:34 UTC (permalink / raw) To: Greg KH, Ismail, Mustafa Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA, e1000-rdma-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f, Tung, Chien Tin, # v4 . 2-v4 . 9, security-DgEjT+Ai2ygdnm+yROfE0A, Doug Ledford, Steve Wise, Marciniszyn, Mike > Subject: Re: [PATCH] RDMA/uverbs: Fix the check for port number > > On Wed, Jul 26, 2017 at 11:14:46AM -0500, Mustafa Ismail wrote: > > The port number is only valid if IB_QP_PORT is set in the mask. > > So only check port number if it is valid to prevent modify_qp from > > failing due to an invalid port number. > > > > Fixes: 5ecce4c9b17b("Check port number supplied by user verbs cmds") > > Cc: <stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org> # v4.2-v4.9 > > Cc: <security-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> > > Cc: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> > > Cc: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org> > > Cc: Mike Marciniszyn <mike.marciniszyn-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> > > > > Signed-off-by: Mustafa Ismail <mustafa.ismail-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> > > > > Upstream commit 5a7a88f1b488("Fix the check for port number") Modified > > from upstream commit: helper function rdma_is_port_valid does not > > exist in these kernel versions. > > Note, you sent this 3 times for some reason, why? > > Also, it was hard to figure out what to do with it, I think it was ment for me to apply > to the 4.4 and 4.9-stable trees, right? If so, I've done that, if not, please let me > know. > Hi Greg - Mustafa is on vacation. Yes. The patch is meant for 4.4 and 4.9 stable tree. Shiraz -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 11+ messages in thread
* RE: [PATCH] RDMA/uverbs: Fix the check for port number @ 2017-08-03 23:34 ` Saleem, Shiraz 0 siblings, 0 replies; 11+ messages in thread From: Saleem, Shiraz @ 2017-08-03 23:34 UTC (permalink / raw) To: Greg KH, Ismail, Mustafa Cc: linux-rdma, e1000-rdma, Tung, Chien Tin, # v4 . 2-v4 . 9, security, Doug Ledford, Steve Wise, Marciniszyn, Mike > Subject: Re: [PATCH] RDMA/uverbs: Fix the check for port number > > On Wed, Jul 26, 2017 at 11:14:46AM -0500, Mustafa Ismail wrote: > > The port number is only valid if IB_QP_PORT is set in the mask. > > So only check port number if it is valid to prevent modify_qp from > > failing due to an invalid port number. > > > > Fixes: 5ecce4c9b17b("Check port number supplied by user verbs cmds") > > Cc: <stable@vger.kernel.org> # v4.2-v4.9 > > Cc: <security@kernel.org> > > Cc: Doug Ledford <dledford@redhat.com> > > Cc: Steve Wise <swise@opengridcomputing.com> > > Cc: Mike Marciniszyn <mike.marciniszyn@intel.com> > > > > Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> > > > > Upstream commit 5a7a88f1b488("Fix the check for port number") Modified > > from upstream commit: helper function rdma_is_port_valid does not > > exist in these kernel versions. > > Note, you sent this 3 times for some reason, why? > > Also, it was hard to figure out what to do with it, I think it was ment for me to apply > to the 4.4 and 4.9-stable trees, right? If so, I've done that, if not, please let me > know. > Hi Greg - Mustafa is on vacation. Yes. The patch is meant for 4.4 and 4.9 stable tree. Shiraz ^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [PATCH] RDMA/uverbs: Fix the check for port number 2017-07-26 16:14 Mustafa Ismail @ 2017-08-07 11:03 ` Yuval Shaia 0 siblings, 0 replies; 11+ messages in thread From: Yuval Shaia @ 2017-08-07 11:03 UTC (permalink / raw) To: Mustafa Ismail Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA, e1000-rdma-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f, chien.tin.tung-ral2JQCrhuEAvxtiuMwx3w, shiraz.saleem-ral2JQCrhuEAvxtiuMwx3w, # v4 . 2-v4 . 9, security-DgEjT+Ai2ygdnm+yROfE0A, Doug Ledford, Steve Wise, Mike Marciniszyn On Wed, Jul 26, 2017 at 11:14:46AM -0500, Mustafa Ismail wrote: > The port number is only valid if IB_QP_PORT is set in the mask. > So only check port number if it is valid to prevent modify_qp > from failing due to an invalid port number. > > Fixes: 5ecce4c9b17b("Check port number supplied by user verbs cmds") > Cc: <stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org> # v4.2-v4.9 > Cc: <security-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> > Cc: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> > Cc: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org> > Cc: Mike Marciniszyn <mike.marciniszyn-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> > > Signed-off-by: Mustafa Ismail <mustafa.ismail-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> > > Upstream commit 5a7a88f1b488("Fix the check for port number") > Modified from upstream commit: helper function rdma_is_port_valid does not > exist in these kernel versions. > --- > drivers/infiniband/core/uverbs_cmd.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c > index 01e3a37..d118ffe 100644 > --- a/drivers/infiniband/core/uverbs_cmd.c > +++ b/drivers/infiniband/core/uverbs_cmd.c > @@ -2342,8 +2342,9 @@ ssize_t ib_uverbs_modify_qp(struct ib_uverbs_file *file, > if (copy_from_user(&cmd, buf, sizeof cmd)) > return -EFAULT; > > - if (cmd.port_num < rdma_start_port(ib_dev) || > - cmd.port_num > rdma_end_port(ib_dev)) > + if ((cmd.attr_mask & IB_QP_PORT) && > + (cmd.port_num < rdma_start_port(ib_dev) || > + cmd.port_num > rdma_end_port(ib_dev))) Please use rdma_is_port_valid > return -EINVAL; > > INIT_UDATA(&udata, buf + sizeof cmd, NULL, in_len - sizeof cmd, > -- > 1.8.3.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [PATCH] RDMA/uverbs: Fix the check for port number @ 2017-08-07 11:03 ` Yuval Shaia 0 siblings, 0 replies; 11+ messages in thread From: Yuval Shaia @ 2017-08-07 11:03 UTC (permalink / raw) To: Mustafa Ismail Cc: linux-rdma, e1000-rdma, chien.tin.tung, shiraz.saleem, # v4 . 2-v4 . 9, security, Doug Ledford, Steve Wise, Mike Marciniszyn On Wed, Jul 26, 2017 at 11:14:46AM -0500, Mustafa Ismail wrote: > The port number is only valid if IB_QP_PORT is set in the mask. > So only check port number if it is valid to prevent modify_qp > from failing due to an invalid port number. > > Fixes: 5ecce4c9b17b("Check port number supplied by user verbs cmds") > Cc: <stable@vger.kernel.org> # v4.2-v4.9 > Cc: <security@kernel.org> > Cc: Doug Ledford <dledford@redhat.com> > Cc: Steve Wise <swise@opengridcomputing.com> > Cc: Mike Marciniszyn <mike.marciniszyn@intel.com> > > Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> > > Upstream commit 5a7a88f1b488("Fix the check for port number") > Modified from upstream commit: helper function rdma_is_port_valid does not > exist in these kernel versions. > --- > drivers/infiniband/core/uverbs_cmd.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c > index 01e3a37..d118ffe 100644 > --- a/drivers/infiniband/core/uverbs_cmd.c > +++ b/drivers/infiniband/core/uverbs_cmd.c > @@ -2342,8 +2342,9 @@ ssize_t ib_uverbs_modify_qp(struct ib_uverbs_file *file, > if (copy_from_user(&cmd, buf, sizeof cmd)) > return -EFAULT; > > - if (cmd.port_num < rdma_start_port(ib_dev) || > - cmd.port_num > rdma_end_port(ib_dev)) > + if ((cmd.attr_mask & IB_QP_PORT) && > + (cmd.port_num < rdma_start_port(ib_dev) || > + cmd.port_num > rdma_end_port(ib_dev))) Please use rdma_is_port_valid > return -EINVAL; > > INIT_UDATA(&udata, buf + sizeof cmd, NULL, in_len - sizeof cmd, > -- > 1.8.3.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [PATCH] RDMA/uverbs: Fix the check for port number 2017-08-07 11:03 ` Yuval Shaia @ 2017-08-07 12:11 ` Chien Tin Tung -1 siblings, 0 replies; 11+ messages in thread From: Chien Tin Tung @ 2017-08-07 12:11 UTC (permalink / raw) To: Yuval Shaia Cc: Mustafa Ismail, linux-rdma-u79uwXL29TY76Z2rM5mHXA, e1000-rdma-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f, shiraz.saleem-ral2JQCrhuEAvxtiuMwx3w, # v4 . 2-v4 . 9, security-DgEjT+Ai2ygdnm+yROfE0A, Doug Ledford, Steve Wise, Mike Marciniszyn On Mon, Aug 07, 2017 at 02:03:08PM +0300, Yuval Shaia wrote: > On Wed, Jul 26, 2017 at 11:14:46AM -0500, Mustafa Ismail wrote: > > The port number is only valid if IB_QP_PORT is set in the mask. > > So only check port number if it is valid to prevent modify_qp > > from failing due to an invalid port number. > > > > Fixes: 5ecce4c9b17b("Check port number supplied by user verbs cmds") > > Cc: <stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org> # v4.2-v4.9 > > Cc: <security-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> > > Cc: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> > > Cc: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org> > > Cc: Mike Marciniszyn <mike.marciniszyn-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> > > > > Signed-off-by: Mustafa Ismail <mustafa.ismail-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> > > > > Upstream commit 5a7a88f1b488("Fix the check for port number") > > Modified from upstream commit: helper function rdma_is_port_valid does not > > exist in these kernel versions. > > --- > > drivers/infiniband/core/uverbs_cmd.c | 5 +++-- > > 1 file changed, 3 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c > > index 01e3a37..d118ffe 100644 > > --- a/drivers/infiniband/core/uverbs_cmd.c > > +++ b/drivers/infiniband/core/uverbs_cmd.c > > @@ -2342,8 +2342,9 @@ ssize_t ib_uverbs_modify_qp(struct ib_uverbs_file *file, > > if (copy_from_user(&cmd, buf, sizeof cmd)) > > return -EFAULT; > > > > - if (cmd.port_num < rdma_start_port(ib_dev) || > > - cmd.port_num > rdma_end_port(ib_dev)) > > + if ((cmd.attr_mask & IB_QP_PORT) && > > + (cmd.port_num < rdma_start_port(ib_dev) || > > + cmd.port_num > rdma_end_port(ib_dev))) > > Please use rdma_is_port_valid Yuval, This patch is meant for Stable v4.2-v4.9 which does not have rdma_is_port_valid. The patch upstream is using rdma_is_port_valid. Here is a link to it: https://patchwork.kernel.org/patch/9841243/ Chien -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [PATCH] RDMA/uverbs: Fix the check for port number @ 2017-08-07 12:11 ` Chien Tin Tung 0 siblings, 0 replies; 11+ messages in thread From: Chien Tin Tung @ 2017-08-07 12:11 UTC (permalink / raw) To: Yuval Shaia Cc: Mustafa Ismail, linux-rdma, e1000-rdma, shiraz.saleem, # v4 . 2-v4 . 9, security, Doug Ledford, Steve Wise, Mike Marciniszyn On Mon, Aug 07, 2017 at 02:03:08PM +0300, Yuval Shaia wrote: > On Wed, Jul 26, 2017 at 11:14:46AM -0500, Mustafa Ismail wrote: > > The port number is only valid if IB_QP_PORT is set in the mask. > > So only check port number if it is valid to prevent modify_qp > > from failing due to an invalid port number. > > > > Fixes: 5ecce4c9b17b("Check port number supplied by user verbs cmds") > > Cc: <stable@vger.kernel.org> # v4.2-v4.9 > > Cc: <security@kernel.org> > > Cc: Doug Ledford <dledford@redhat.com> > > Cc: Steve Wise <swise@opengridcomputing.com> > > Cc: Mike Marciniszyn <mike.marciniszyn@intel.com> > > > > Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> > > > > Upstream commit 5a7a88f1b488("Fix the check for port number") > > Modified from upstream commit: helper function rdma_is_port_valid does not > > exist in these kernel versions. > > --- > > drivers/infiniband/core/uverbs_cmd.c | 5 +++-- > > 1 file changed, 3 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c > > index 01e3a37..d118ffe 100644 > > --- a/drivers/infiniband/core/uverbs_cmd.c > > +++ b/drivers/infiniband/core/uverbs_cmd.c > > @@ -2342,8 +2342,9 @@ ssize_t ib_uverbs_modify_qp(struct ib_uverbs_file *file, > > if (copy_from_user(&cmd, buf, sizeof cmd)) > > return -EFAULT; > > > > - if (cmd.port_num < rdma_start_port(ib_dev) || > > - cmd.port_num > rdma_end_port(ib_dev)) > > + if ((cmd.attr_mask & IB_QP_PORT) && > > + (cmd.port_num < rdma_start_port(ib_dev) || > > + cmd.port_num > rdma_end_port(ib_dev))) > > Please use rdma_is_port_valid Yuval, This patch is meant for Stable v4.2-v4.9 which does not have rdma_is_port_valid. The patch upstream is using rdma_is_port_valid. Here is a link to it: https://patchwork.kernel.org/patch/9841243/ Chien ^ permalink raw reply [flat|nested] 11+ messages in thread
end of thread, other threads:[~2017-08-07 12:11 UTC | newest] Thread overview: 11+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2017-07-26 15:14 [PATCH] RDMA/uverbs: Fix the check for port number Mustafa Ismail 2017-07-26 15:18 Mustafa Ismail 2017-07-26 16:14 Mustafa Ismail [not found] ` <1501085686-12916-1-git-send-email-mustafa.ismail-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> 2017-08-03 22:41 ` Greg KH 2017-08-03 22:41 ` Greg KH [not found] ` <20170803224149.GF2396-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org> 2017-08-03 23:34 ` Saleem, Shiraz 2017-08-03 23:34 ` Saleem, Shiraz 2017-08-07 11:03 ` Yuval Shaia 2017-08-07 11:03 ` Yuval Shaia 2017-08-07 12:11 ` Chien Tin Tung 2017-08-07 12:11 ` Chien Tin Tung
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