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authorxinhui pan <xinhui.pan@amd.com>2022-07-07 16:02:41 +0800
committerChristian König <christian.koenig@amd.com>2022-07-07 10:24:59 +0200
commit7c1aeba7bb977fe327fbc9682e9ccb36134cbf77 (patch)
treec367b7f598d8f1cb4ee42ee354469cc15bf67564 /drivers/dma-buf
parent9fc33eaaa979d112d10fea729edcd2a2e21aa912 (diff)
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dma-buf: Fix one use-after-free of fence
Need get the new fence when we replace the old one. Fixes: 047a1b877ed48 ("dma-buf & drm/amdgpu: remove dma_resv workaround") Signed-off-by: xinhui pan <xinhui.pan@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220707080241.20060-1-xinhui.pan@amd.com Signed-off-by: Christian König <christian.koenig@amd.com>
Diffstat (limited to 'drivers/dma-buf')
-rw-r--r--drivers/dma-buf/dma-resv.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dma-buf/dma-resv.c b/drivers/dma-buf/dma-resv.c
index 0cce6e4ec946..205acb2c744d 100644
--- a/drivers/dma-buf/dma-resv.c
+++ b/drivers/dma-buf/dma-resv.c
@@ -343,7 +343,7 @@ void dma_resv_replace_fences(struct dma_resv *obj, uint64_t context,
if (old->context != context)
continue;
- dma_resv_list_set(list, i, replacement, usage);
+ dma_resv_list_set(list, i, dma_fence_get(replacement), usage);
dma_fence_put(old);
}
}