6.12-stable review patch. If anyone has any objections, please let me know.
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From: Xiaogang Chen xiaogang.chen@amd.com
[ Upstream commit 021ba7f1babd029e714d13a6bf2571b08af96d0f ]
by casting size_limit_mb to u64 when calculate pglimit.
Signed-off-by: Xiaogang ChenXiaogang.Chen@amd.com Link: https://patchwork.freedesktop.org/patch/msgid/20250321164126.329638-1-xiaoga... Signed-off-by: Christian König christian.koenig@amd.com Signed-off-by: Amelia Crate acrate@waldn.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/dma-buf/udmabuf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/dma-buf/udmabuf.c +++ b/drivers/dma-buf/udmabuf.c @@ -350,7 +350,7 @@ static long udmabuf_create(struct miscde return -ENOMEM;
INIT_LIST_HEAD(&ubuf->unpin_list); - pglimit = (size_limit_mb * 1024 * 1024) >> PAGE_SHIFT; + pglimit = ((u64)size_limit_mb * 1024 * 1024) >> PAGE_SHIFT; for (i = 0; i < head->count; i++) { if (!PAGE_ALIGNED(list[i].offset)) goto err;