Quoting Lu Baolu (2019-06-22 07:49:22) > Hi Chris, > > Thanks for the test and report. > > On 6/21/19 9:27 PM, Chris Wilson wrote: > > We see a use-after-free in our CI about 20% of the time on a Skylake > > iommu testing host, present since enabling that host. Sadly, it has not > > presented itself while running under KASAN. > > > > <4> [302.391799] general protection fault: 0000 [#1] PREEMPT SMP PTI > > <4> [302.391803] CPU: 7 PID: 4854 Comm: i915_selftest Tainted: G U > > 5.2.0-rc5-CI-CI_DRM_6320+ #1 > > Since it's CI-CI_DRM_6320+, what kind of patches have you applied on top > of 5.2.0-rc5?
$ git diff --stat v5.2-rc5..intel/CI_DRM_6320 ... 1383 files changed, 62481 insertions(+), 35301 deletions(-) The usual drivers/gpu churn, and nothing inside drivers/iommu. Our oldest report (when the machine was configured) was with 4.19.0-CI-CI_DRM_5049. The tags are available from git://git.freedesktop.org/git/gfx-ci/linux -Chris _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
