https://bugs.freedesktop.org/show_bug.cgi?id=97422
Bug ID: 97422
Summary: function name with "|" crashes glsl_compiler
Product: Mesa
Version: git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: glsl-compiler
Assignee: mesa-dev@lists.freedesktop.org
Reporter: karolher...@gmail.com
QA Contact: intel-3d-b...@lists.freedesktop.org
Created attachment 125922
--> https://bugs.freedesktop.org/attachment.cgi?id=125922&action=edit
fragment shader
mesa-git-a2ae67aa47df6dd41802462105dac7ce5ab676a2
attached fragment shader crashes glsl_compiler with SIGSEGV
backtrace:
#0 0x00000000005e98f8 in hash_table_string_hash (key=0x2) at
../../src/mesa/program/prog_hash_table.c:42
#1 0x000000000051006b in _mesa_hash_table_search (ht=0x9bab40, key=0x2,
key@entry=0xffffffffffffffff) at ../../../src/util/hash_table.c:245
#2 0x00000000005ea96e in hash_table_find (key=key@entry=0xffffffffffffffff,
ht=<optimized out>) at ../../src/mesa/program/hash_table.h:102
#3 find_symbol (table=<optimized out>, name=name@entry=0xffffffffffffffff
<error: Cannot access memory at address 0xffffffffffffffff>) at
../../src/mesa/program/symbol_table.c:189
#4 _mesa_symbol_table_find_symbol (table=<optimized out>,
name_space=name_space@entry=-1, name=name@entry=0x2 <error: Cannot access
memory at address 0x2>) at ../../src/mesa/program/symbol_table.c:227
#5 0x000000000046142d in glsl_symbol_table::get_entry (name=0x2 <error: Cannot
access memory at address 0x2>, this=<optimized out>) at
../../../src/compiler/glsl/glsl_symbol_table.cpp:264
#6 glsl_symbol_table::get_function (this=<optimized out>, name=name@entry=0x2
<error: Cannot access memory at address 0x2>) at
../../../src/compiler/glsl/glsl_symbol_table.cpp:248
#7 0x0000000000712a3d in match_function_by_name (state=0x9b75f0,
actual_parameters=0x7fffffffd060, name=<optimized out>) at
../../../src/compiler/glsl/ast_function.cpp:561
#8 ast_function_expression::hir (this=0x9bc110, instructions=0x9cc4d0,
state=0x9b75f0) at ../../../src/compiler/glsl/ast_function.cpp:2128
#9 0x000000000060eed5 in ast_expression::do_hir (this=0x9bc1d0,
instructions=0x9cc4d0, state=0x9b75f0, needs_rvalue=<optimized out>) at
../../../src/compiler/glsl/ast_to_hir.cpp:1521
#10 0x0000000000613066 in ast_expression_statement::hir (this=<optimized out>,
instructions=<optimized out>, state=<optimized out>) at
../../../src/compiler/glsl/ast_to_hir.cpp:2161
#11 0x0000000000622647 in ast_compound_statement::hir (state=0x9b75f0,
instructions=0x9cc4d0, this=0x9bc290) at
../../../src/compiler/glsl/ast_to_hir.cpp:2177
#12 ast_function_definition::hir (this=0x9bc320, instructions=<optimized out>,
state=0x9b75f0) at ../../../src/compiler/glsl/ast_to_hir.cpp:5663
#13 0x000000000060bca1 in _mesa_ast_to_hir (instructions=0x9b8280,
state=state@entry=0x9b75f0) at ../../../src/compiler/glsl/ast_to_hir.cpp:154
#14 0x000000000045dd33 in _mesa_glsl_compile_shader (ctx=ctx@entry=0x979aa0
<standalone_compile_shader::local_ctx>, shader=shader@entry=0x9b6910,
dump_ast=<optimized out>, dump_hir=<optimized out>)
at ../../../src/compiler/glsl/glsl_parser_extras.cpp:1865
#15 0x000000000040e170 in compile_shader (shader=0x9b6910, ctx=0x979aa0
<standalone_compile_shader::local_ctx>) at
../../../src/compiler/glsl/standalone.cpp:282
#16 standalone_compile_shader (_options=_options@entry=0x979a50 <options>,
num_files=num_files@entry=1, files=<optimized out>) at
../../../src/compiler/glsl/standalone.cpp:386
#17 0x0000000000409045 in main (argc=<optimized out>, argv=0x7fffffffd5c8) at
../../../src/compiler/glsl/main.cpp:91
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