Le 06/01/2023 à 08:33, Dan Carpenter a écrit :
Hi Benjamin,
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Benjamin-Gaignard/dt-bindings-media-rockchip-vpu-Add-rk3588-vpu-compatible/20230104-010906
base: git://linuxtv.org/media_tree.git master
patch link: https://lore.kernel.org/r/20230103170058.810597-11-benjamin.gaignard%40collabora.com
patch subject: [PATCH v2 10/13] media: verisilicon: Add Rockchip AV1 decoder
config: ia64-randconfig-m041-20230101
compiler: ia64-linux-gcc (GCC) 12.1.0
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Reported-by: Dan Carpenter <error27@xxxxxxxxx>
smatch warnings:
drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c:121 rockchip_vpu981_get_frame_index() error: buffer overflow 'frame->reference_frame_ts' 8 <= 8
drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c:167 rockchip_vpu981_av1_dec_frame_ref() error: buffer overflow 'frame->global_motion.type' 8 <= 9
drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c:1947 rockchip_vpu981_av1_dec_run() warn: missing error code 'ret'
vim +121 drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c
9223ba771533395 Benjamin Gaignard 2023-01-03 109
9223ba771533395 Benjamin Gaignard 2023-01-03 110 static int rockchip_vpu981_get_frame_index(struct hantro_ctx *ctx, int ref)
9223ba771533395 Benjamin Gaignard 2023-01-03 111 {
9223ba771533395 Benjamin Gaignard 2023-01-03 112 struct hantro_av1_dec_hw_ctx *av1_dec = &ctx->av1_dec;
9223ba771533395 Benjamin Gaignard 2023-01-03 113 struct hantro_av1_dec_ctrls *ctrls = &av1_dec->ctrls;
9223ba771533395 Benjamin Gaignard 2023-01-03 114 const struct v4l2_ctrl_av1_frame *frame = ctrls->frame;
9223ba771533395 Benjamin Gaignard 2023-01-03 115 u64 timestamp;
9223ba771533395 Benjamin Gaignard 2023-01-03 116 int i, idx = frame->ref_frame_idx[ref];
9223ba771533395 Benjamin Gaignard 2023-01-03 117
9223ba771533395 Benjamin Gaignard 2023-01-03 118 if (idx >= AV1_MAX_FRAME_BUF_COUNT || idx < 0)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Should this be V4L2_AV1_TOTAL_REFS_PER_FRAME?
Yes it should be.
I will fix that and the other warnings in v3.
Thanks,
Benjamin
9223ba771533395 Benjamin Gaignard 2023-01-03 119 return AV1_INVALID_IDX;
9223ba771533395 Benjamin Gaignard 2023-01-03 120
9223ba771533395 Benjamin Gaignard 2023-01-03 @121 timestamp = frame->reference_frame_ts[idx];
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
9223ba771533395 Benjamin Gaignard 2023-01-03 122 for (i = 0; i < AV1_MAX_FRAME_BUF_COUNT; i++) {
9223ba771533395 Benjamin Gaignard 2023-01-03 123 if (!av1_dec->frame_refs[i].used)
9223ba771533395 Benjamin Gaignard 2023-01-03 124 continue;
9223ba771533395 Benjamin Gaignard 2023-01-03 125 if (av1_dec->frame_refs[i].timestamp == timestamp)
9223ba771533395 Benjamin Gaignard 2023-01-03 126 return i;
9223ba771533395 Benjamin Gaignard 2023-01-03 127 }
9223ba771533395 Benjamin Gaignard 2023-01-03 128
9223ba771533395 Benjamin Gaignard 2023-01-03 129 return AV1_INVALID_IDX;
9223ba771533395 Benjamin Gaignard 2023-01-03 130 }
9223ba771533395 Benjamin Gaignard 2023-01-03 131
9223ba771533395 Benjamin Gaignard 2023-01-03 132 static int rockchip_vpu981_get_order_hint(struct hantro_ctx *ctx, int ref)
9223ba771533395 Benjamin Gaignard 2023-01-03 133 {
9223ba771533395 Benjamin Gaignard 2023-01-03 134 struct hantro_av1_dec_hw_ctx *av1_dec = &ctx->av1_dec;
9223ba771533395 Benjamin Gaignard 2023-01-03 135 int idx = rockchip_vpu981_get_frame_index(ctx, ref);
9223ba771533395 Benjamin Gaignard 2023-01-03 136
9223ba771533395 Benjamin Gaignard 2023-01-03 137 if (idx != AV1_INVALID_IDX)
9223ba771533395 Benjamin Gaignard 2023-01-03 138 return av1_dec->frame_refs[idx].order_hint;
9223ba771533395 Benjamin Gaignard 2023-01-03 139
9223ba771533395 Benjamin Gaignard 2023-01-03 140 return 0;
9223ba771533395 Benjamin Gaignard 2023-01-03 141 }
9223ba771533395 Benjamin Gaignard 2023-01-03 142
9223ba771533395 Benjamin Gaignard 2023-01-03 143 static int rockchip_vpu981_av1_dec_frame_ref(struct hantro_ctx *ctx,
9223ba771533395 Benjamin Gaignard 2023-01-03 144 u64 timestamp)
9223ba771533395 Benjamin Gaignard 2023-01-03 145 {
9223ba771533395 Benjamin Gaignard 2023-01-03 146 struct hantro_av1_dec_hw_ctx *av1_dec = &ctx->av1_dec;
9223ba771533395 Benjamin Gaignard 2023-01-03 147 struct hantro_av1_dec_ctrls *ctrls = &av1_dec->ctrls;
9223ba771533395 Benjamin Gaignard 2023-01-03 148 const struct v4l2_ctrl_av1_frame *frame = ctrls->frame;
9223ba771533395 Benjamin Gaignard 2023-01-03 149 int i;
9223ba771533395 Benjamin Gaignard 2023-01-03 150
9223ba771533395 Benjamin Gaignard 2023-01-03 151 for (i = 0; i < AV1_MAX_FRAME_BUF_COUNT; i++) {
9223ba771533395 Benjamin Gaignard 2023-01-03 152 if (!av1_dec->frame_refs[i].used) {
9223ba771533395 Benjamin Gaignard 2023-01-03 153 int j;
9223ba771533395 Benjamin Gaignard 2023-01-03 154
9223ba771533395 Benjamin Gaignard 2023-01-03 155 av1_dec->frame_refs[i].width =
9223ba771533395 Benjamin Gaignard 2023-01-03 156 frame->frame_width_minus_1 + 1;
9223ba771533395 Benjamin Gaignard 2023-01-03 157 av1_dec->frame_refs[i].height =
9223ba771533395 Benjamin Gaignard 2023-01-03 158 frame->frame_height_minus_1 + 1;
9223ba771533395 Benjamin Gaignard 2023-01-03 159 av1_dec->frame_refs[i].mi_cols =
9223ba771533395 Benjamin Gaignard 2023-01-03 160 DIV_ROUND_UP(frame->frame_width_minus_1 + 1, 8);
9223ba771533395 Benjamin Gaignard 2023-01-03 161 av1_dec->frame_refs[i].mi_rows =
9223ba771533395 Benjamin Gaignard 2023-01-03 162 DIV_ROUND_UP(frame->frame_height_minus_1 + 1, 8);
9223ba771533395 Benjamin Gaignard 2023-01-03 163 av1_dec->frame_refs[i].timestamp = timestamp;
9223ba771533395 Benjamin Gaignard 2023-01-03 164 av1_dec->frame_refs[i].frame_type = frame->frame_type;
9223ba771533395 Benjamin Gaignard 2023-01-03 165 av1_dec->frame_refs[i].order_hint = frame->order_hint;
9223ba771533395 Benjamin Gaignard 2023-01-03 166 av1_dec->frame_refs[i].gm_mode =
9223ba771533395 Benjamin Gaignard 2023-01-03 @167 frame->global_motion.type[V4L2_AV1_REF_LAST_FRAME + i];
9223ba771533395 Benjamin Gaignard 2023-01-03 168 if (!av1_dec->frame_refs[i].vb2_ref)
9223ba771533395 Benjamin Gaignard 2023-01-03 169 av1_dec->frame_refs[i].vb2_ref = hantro_get_dst_buf(ctx);
9223ba771533395 Benjamin Gaignard 2023-01-03 170
9223ba771533395 Benjamin Gaignard 2023-01-03 171 for (j = 0; j < V4L2_AV1_TOTAL_REFS_PER_FRAME; j++)
9223ba771533395 Benjamin Gaignard 2023-01-03 172 av1_dec->frame_refs[i].order_hints[j] = frame->order_hints[j];
9223ba771533395 Benjamin Gaignard 2023-01-03 173
9223ba771533395 Benjamin Gaignard 2023-01-03 174 av1_dec->frame_refs[i].used = true;
9223ba771533395 Benjamin Gaignard 2023-01-03 175 av1_dec->current_frame_index = i;
9223ba771533395 Benjamin Gaignard 2023-01-03 176 return i;
9223ba771533395 Benjamin Gaignard 2023-01-03 177 }
9223ba771533395 Benjamin Gaignard 2023-01-03 178 }
9223ba771533395 Benjamin Gaignard 2023-01-03 179
9223ba771533395 Benjamin Gaignard 2023-01-03 180 return AV1_INVALID_IDX;
9223ba771533395 Benjamin Gaignard 2023-01-03 181 }
