https://bugs.freedesktop.org/show_bug.cgi?id=107275
Bug ID: 107275
Summary: NIR segfaults after spirv-opt
Product: Mesa
Version: git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Vulkan/Common
Assignee: mesa-dev@lists.freedesktop.org
Reporter: mais...@archlinux.us
CC: airl...@freedesktop.org, chadvers...@chromium.org,
dan...@fooishbar.org, ja...@jlekstrand.net
Created attachment 140687
--> https://bugs.freedesktop.org/attachment.cgi?id=140687&action=edit
Repro dump
I get a segfault when trying to compile a compute SPIR-V with a particular
pattern.
Repro:
git clone git://github.com/Themaister/Fossilize
cd Fossilize
git submodule update --init
mkdir build
cd build
cmake ..
make -j8
./cli/fossilize-replay fossilize.json
# Disasm
./cli/fossilize-disasm /tmp/fossilize.json --compute-pipeline 2 --target glsl
./cli/fossilize-disasm /tmp/fossilize.json --compute-pipeline 2 --target asm
Backtrace:
Fossilize INFO: Creating render pass #0
Fossilize INFO: ... Succeeded!
Fossilize INFO: Creating compute pipeline #0
Fossilize INFO: ... Succeeded!
Fossilize INFO: Creating compute pipeline #1
Fossilize INFO: ... Succeeded!
Fossilize INFO: Creating compute pipeline #2
Thread 1 "fossilize-repla" received signal SIGSEGV, Segmentation fault.
0x766ed5e0 in exec_node_insert_after (n=0x56a6eb10,
after=0x56a531d0) at ../../src/compiler/glsl/list.h:164
164n->next->prev = after;
(gdb) bt
#0 0x766ed5e0 in exec_node_insert_after (n=0x56a6eb10,
after=0x56a531d0) at ../../src/compiler/glsl/list.h:164
#1 0x766ee77a in split_block_end (block=0x56a6eb10) at
nir/nir_control_flow.c:340
#2 0x766ee8ca in split_block_cursor (cursor=...,
_before=0x7fffd158, _after=0x7fffd160) at nir/nir_control_flow.c:392
#3 0x766ef39b in nir_cf_reinsert (cf_list=0x7fffd270, cursor=...)
at nir/nir_control_flow.c:716
#4 0x767219e6 in opt_peel_loop_initial_if (loop=0x569dbe60) at
nir/nir_opt_if.c:198
#5 0x7672207d in opt_if_cf_list (b=0x7fffd330,
cf_list=0x569890f8) at nir/nir_opt_if.c:372
#6 0x76722121 in nir_opt_if (shader=0x569d29a0) at
nir/nir_opt_if.c:396
#7 0x7666857b in radv_optimize_nir (shader=0x569d29a0,
optimize_conservatively=false) at radv_shader.c:143
#8 0x7666a250 in radv_shader_compile_to_nir (device=0x55a4c940,
module=0x56a68860, entrypoint_name=0x56ab7ad0 "main",
stage=MESA_SHADER_COMPUTE, spec_info=0x0, flags=0) at radv_shader.c:318
#9 0x76660e9d in radv_create_shaders (pipeline=0x569f60a0,
device=0x55a4c940, cache=0x0, key=..., pStages=0x7fffde80, flags=0)
at radv_pipeline.c:2025
#10 0x76665160 in radv_compute_pipeline_create (_device=0x55a4c940,
_cache=0x0, pCreateInfo=0x56ab7a50, pAllocator=0x0,
pPipeline=0x5686de20) at radv_pipeline.c:3639
#11 0x766652e5 in radv_CreateComputePipelines (_device=0x55a4c940,
pipelineCache=0x0, count=1, pCreateInfos=0x56ab7a50, pAllocator=0x0,
pPipelines=0x5686de20) at radv_pipeline.c:3669
#12 0x7f0d in
DumbReplayer::enqueue_create_compute_pipeline(unsigned long, unsigned int,
VkComputePipelineCreateInfo const*, VkPipeline_T**) ()
#13 0x55564cfb in
Fossilize::StateReplayer::Impl::parse_compute_pipelines(Fossilize::StateCreatorInterface&,
rapidjson::GenericValue,
rapidjson::MemoryPoolAllocator > const&) ()
#14 0x55573452 in
Fossilize::StateReplayer::Impl::parse(Fossilize::StateCreatorInterface&, void
const*, unsigned long) ()
#15 0x6530 in main ()
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