[Mesa-dev] [Bug 29770] New: SIGSEGV program/ir_to_mesa.cpp:1596

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=29770

           Summary: SIGSEGV program/ir_to_mesa.cpp:1596
           Product: Mesa
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Mesa core
        AssignedTo: mesa-dev at lists.freedesktop.org
        ReportedBy: vlee at vmware.com


mesa: 87f44d5723ebb3a2efe0dddc1a6edb6536adea4d (master)

Run piglit glsl-array-bounds-02 on swrast.

(gdb) bt
#0  0x0067c5ae in ir_to_mesa_visitor::visit (this=0xbfca11dc, ir=0x8a3bcf0) at
program/ir_to_mesa.cpp:1596
#1  0x006a3fcb in ir_dereference_array::accept (this=0x8a3bcf0, v=0xbfca11dc)
at ir.h:1213
#2  0x00678bb5 in ir_to_mesa_visitor::visit (this=0xbfca11dc, ir=0x898e888) at
program/ir_to_mesa.cpp:719
#3  0x006a3cd1 in ir_expression::accept (this=0x898e888, v=0xbfca11dc) at
ir.h:725
#4  0x0067ec29 in ir_to_mesa_visitor::visit (this=0xbfca11dc, ir=0x8992158) at
program/ir_to_mesa.cpp:2194
#5  0x006a3c53 in ir_if::accept (this=0x8992158, v=0xbfca11dc) at ir.h:446
#6  0x00678656 in ir_to_mesa_visitor::visit (this=0xbfca11dc, ir=0x8992090) at
program/ir_to_mesa.cpp:648
#7  0x006a3c29 in ir_function::accept (this=0x8992090, v=0xbfca11dc) at
ir.h:377
#8  0x006afb45 in visit_exec_list (list=0x8841328, visitor=0xbfca11dc) at
ir.cpp:1039
#9  0x0067fb0a in get_mesa_program (ctx=0x832c6c8, shader_program=0x881e228,
shader=0x88e5008) at program/ir_to_mesa.cpp:2475
#10 0x00680392 in _mesa_ir_link_shader (ctx=0x832c6c8, prog=0x881e228) at
program/ir_to_mesa.cpp:2642
#11 0x00680951 in _mesa_glsl_link_shader (ctx=0x832c6c8, prog=0x881e228) at
program/ir_to_mesa.cpp:2778
#12 0x005a39f3 in link_program (ctx=0x832c6c8, program=3) at
main/shaderapi.c:827
#13 0x005a4b13 in _mesa_LinkProgramARB (programObj=3) at main/shaderapi.c:1340
#14 0x0804bbcc in link_and_use_shaders ()
#15 0x0804cc28 in piglit_init ()
#16 0x0804e587 in main ()
(gdb) frame 0
#0  0x0067c5ae in ir_to_mesa_visitor::visit (this=0xbfca11dc, ir=0x8a3bcf0) at
program/ir_to_mesa.cpp:1596
1596       if (strncmp(var->name, "gl_", 3) == 0 && var->mode == ir_var_uniform
&&
(gdb) print var
$2 = (class ir_variable *) 0x0

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