[nvidia-390xx-kmod] Fix for 'index 0 is out of range for type 'uvm_gpu_chunk_t *[*]' and uvm_page_directory_t *[*]' trac

commit 73d08802fdc2637b2781de39302b2f9f687ffffc Author: Nicolas Viéville <nicolas.vieville(a)uphf.fr&gt; Date: Sat Oct 5 09:51:00 2024 +0200 Fix for 'index 0 is out of range for type 'uvm_gpu_chunk_t *[*]' and uvm_page_directory_t *[*]' traces from kernel 6.8.x Signed-off-by: Nicolas Viéville <nicolas.vieville(a)uphf.fr&gt; ...index_0_is_out_of_range_kernel_6.8_traces.patch | 47 ++++++++++++++++++++++ 1 file changed, 47 insertions(+) --- diff --git a/nvidia-390xx-kmod-0092-fix_index_0_is_out_of_range_kernel_6.8_traces.patch b/nvidia-390xx-kmod-0092-fix_index_0_is_out_of_range_kernel_6.8_traces.patch new file mode 100644 index 0000000..f9d63f6 --- /dev/null +++ b/nvidia-390xx-kmod-0092-fix_index_0_is_out_of_range_kernel_6.8_traces.patch @@ -0,0 +1,47 @@ +From 2c7072fb5543e2be99f22682f6b561ece81dfdd6 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Nicolas=20Vi=C3=A9ville?= <nicolas.vieville(a)uphf.fr&gt; +Date: Thu, 3 Oct 2024 14:35:02 +0200 +Subject: [PATCH] Fix for 'index 0 is out of range for type 'uvm_gpu_chunk_t + *[*]' and uvm_page_directory_t *[*]' kernel 6.8.x traces. Suggested by: + https://forums.developer.nvidia.com/t/\ + ubsan-array-index-out-of-bounds-complaints-in-newer-kernels/271705/5 Thanks + to Bruce Jerrick https://bugzilla.rpmfusion.org/show_bug.cgi?id=7069 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Signed-off-by: Nicolas Viéville <nicolas.vieville(a)uphf.fr&gt; +--- + kernel/nvidia-uvm/uvm8_mmu.h | 2 +- + kernel/nvidia-uvm/uvm8_pmm_gpu.c | 2 +- + 2 files changed, 2 insertions(+), 2 deletions(-) + +diff --git a/kernel/nvidia-uvm/uvm8_mmu.h b/kernel/nvidia-uvm/uvm8_mmu.h +index cddd43f..cf50c95 100644 +--- a/kernel/nvidia-uvm/uvm8_mmu.h ++++ b/kernel/nvidia-uvm/uvm8_mmu.h +@@ -76,7 +76,7 @@ struct uvm_page_directory_struct + + // pointers to child directories on the host. + // this array is variable length, so it needs to be last to allow it to take up extra space +- uvm_page_directory_t *entries[0]; ++ uvm_page_directory_t *entries[]; + }; + + struct uvm_mmu_mode_hal_struct +diff --git a/kernel/nvidia-uvm/uvm8_pmm_gpu.c b/kernel/nvidia-uvm/uvm8_pmm_gpu.c +index 602a286..6f0857e 100644 +--- a/kernel/nvidia-uvm/uvm8_pmm_gpu.c ++++ b/kernel/nvidia-uvm/uvm8_pmm_gpu.c +@@ -209,7 +209,7 @@ struct uvm_pmm_gpu_chunk_suballoc_struct + // Array of all child subchunks + // TODO: Bug 1765461: Can the array be inlined? It could save the parent + // pointer. +- uvm_gpu_chunk_t *subchunks[0]; ++ uvm_gpu_chunk_t *subchunks[]; + }; + + typedef enum +-- +2.46.2 +