* [Intel-gfx] [PATCH xf86-video-intel] sna: Fix double-free crashes
@ 2020-04-08 2:41 Alexei Podtelezhnikov
2020-04-08 2:55 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for " Patchwork
0 siblings, 1 reply; 5+ messages in thread
From: Alexei Podtelezhnikov @ 2020-04-08 2:41 UTC (permalink / raw)
To: intel-gfx
Fix double-free crashes.
See https://bugzilla.redhat.com/show_bug.cgi?id=1808767
Signed-off-by: Alexei Podtelezhnikov <apodtele@gmail.com>
---
src/sna/kgem.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/sna/kgem.c b/src/sna/kgem.c
index 6a35067c..9865a912 100644
--- a/src/sna/kgem.c
+++ b/src/sna/kgem.c
@@ -3079,6 +3079,9 @@ static void kgem_buffer_release(struct kgem *kgem, struct kgem_buffer *bo)
assert(cached != &bo->base);
list_del(&cached->vma);
+ if (!cached->map__gtt)
+ continue;
+
assert(*(struct kgem_bo **)cached->map__gtt == cached);
*(struct kgem_bo **)cached->map__gtt = NULL;
cached->map__gtt = NULL;
--
2.26.0
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Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [Intel-gfx] [PATCH xf86-video-intel] sna: Fix double-free crashes.
@ 2020-04-08 3:09 Alexei Podtelezhnikov
2020-04-08 7:09 ` Chris Wilson
0 siblings, 1 reply; 5+ messages in thread
From: Alexei Podtelezhnikov @ 2020-04-08 3:09 UTC (permalink / raw)
To: intel-gfx
Fix double-free crashes.
See https://bugzilla.redhat.com/show_bug.cgi?id=1808767
Signed-off-by: Alexei Podtelezhnikov <apodtele@gmail.com>
---
src/sna/kgem.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/sna/kgem.c b/src/sna/kgem.c
index 6a35067c..76bb1599 100644
--- a/src/sna/kgem.c
+++ b/src/sna/kgem.c
@@ -3079,6 +3079,9 @@ static void kgem_buffer_release(struct kgem *kgem, struct kgem_buffer *bo)
assert(cached != &bo->base);
list_del(&cached->vma);
+ if (!cached->map__gtt)
+ continue;
+
assert(*(struct kgem_bo **)cached->map__gtt == cached);
*(struct kgem_bo **)cached->map__gtt = NULL;
cached->map__gtt = NULL;
--
2.26.0
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 5+ messages in thread
end of thread, other threads:[~2020-04-08 7:27 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
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2020-04-08 2:41 [Intel-gfx] [PATCH xf86-video-intel] sna: Fix double-free crashes Alexei Podtelezhnikov
2020-04-08 2:55 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for " Patchwork
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2020-04-08 3:09 [Intel-gfx] [PATCH xf86-video-intel] " Alexei Podtelezhnikov
2020-04-08 7:09 ` Chris Wilson
2020-04-08 7:27 ` Alexei Podtelezhnikov
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