diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0276-drm-vc4-allocate-enough-memory-in-vc4_save_hang_stat.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0276-drm-vc4-allocate-enough-memory-in-vc4_save_hang_stat.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0276-drm-vc4-allocate-enough-memory-in-vc4_save_hang_stat.patch b/target/linux/brcm2708/patches-4.4/0276-drm-vc4-allocate-enough-memory-in-vc4_save_hang_stat.patch new file mode 100644 index 0000000000..d0c3599928 --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0276-drm-vc4-allocate-enough-memory-in-vc4_save_hang_stat.patch @@ -0,0 +1,27 @@ +From bedbbde45f7c1fce63e5f2c4e21bc9dd4e20f3c0 Mon Sep 17 00:00:00 2001 +From: Dan Carpenter <dan.carpenter@oracle.com> +Date: Thu, 17 Dec 2015 15:39:08 +0300 +Subject: [PATCH 276/304] drm/vc4: allocate enough memory in + vc4_save_hang_state() + +"state" is smaller than "kernel_state" so we end up corrupting memory. + +Fixes: 214613656b51 ('drm/vc4: Add an interface for capturing the GPU state after a hang.') +Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> +Reviewed-by: Eric Anholt <eric@anholt.net> +(cherry picked from commit 7e5082fbc00cc157e57a70cdb6b9bbb21289afb1) +--- + drivers/gpu/drm/vc4/vc4_gem.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/gpu/drm/vc4/vc4_gem.c ++++ b/drivers/gpu/drm/vc4/vc4_gem.c +@@ -159,7 +159,7 @@ vc4_save_hang_state(struct drm_device *d + unsigned long irqflags; + unsigned int i, unref_list_count; + +- kernel_state = kcalloc(1, sizeof(*state), GFP_KERNEL); ++ kernel_state = kcalloc(1, sizeof(*kernel_state), GFP_KERNEL); + if (!kernel_state) + return; + |