[Mesa-dev] [Bug 97422] function name with "|" crashes glsl_compiler

[bugzilla-daemon at freedesktop.org]

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 at lists.freedesktop.org
          Reporter: karolherbst at gmail.com
        QA Contact: intel-3d-bugs at 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 at entry=0xffffffffffffffff) at ../../../src/util/hash_table.c:245
#2  0x00000000005ea96e in hash_table_find (key=key at entry=0xffffffffffffffff,
ht=<optimized out>) at ../../src/mesa/program/hash_table.h:102
#3  find_symbol (table=<optimized out>, name=name at 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 at entry=-1, name=name at 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 at 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 at entry=0x9b75f0) at ../../../src/compiler/glsl/ast_to_hir.cpp:154
#14 0x000000000045dd33 in _mesa_glsl_compile_shader (ctx=ctx at entry=0x979aa0
<standalone_compile_shader::local_ctx>, shader=shader at 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 at entry=0x979a50 <options>,
num_files=num_files at 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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