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seg. fault on incorrect Verilog #329

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veripoolbot opened this issue Mar 7, 2011 · 2 comments
Closed

seg. fault on incorrect Verilog #329

veripoolbot opened this issue Mar 7, 2011 · 2 comments
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area: parser Issue involves SystemVerilog parsing resolution: fixed Closed; fixed

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Author Name: Alex Solomatnikov
Original Redmine Issue: 329 from https://www.veripool.org
Original Date: 2011-03-07
Original Assignee: Wilson Snyder (@wsnyder)

The following erroneous code causes seg. fault:

module site_rbuf #(parameter WIDTH=WIDTH, parameter DEPTH=`NUM_REQS)

gdb trace:

  • V3LinkDot.cpp:729: linkDotGuts:
  • V3LinkJump.cpp:239: linkJump:
  • V3Param.cpp:384: param:

Program received signal SIGSEGV, Segmentation fault.
0x000000000061d962 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff3ff150) at ../V3Width.cpp:573
573 if (nodep->varp()->width()==0) {
#0 0x000000000061d962 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff3ff150) at ../V3Width.cpp:573
#1 0x0000000000471c0b in AstNVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff3ff150) at ./V3Ast__gen_visitor.h:207
#2 0x000000000048ad09 in AstVarRef::accept (this=0xa88880, v=..., vup=0x7fffff3ff150) at ../V3AstNodes.h:857
#3 0x0000000000480f5f in AstNode::iterateAndNext (this=0xa88880, v=..., vup=0x7fffff3ff150) at ../V3Ast.cpp:772
#4 0x000000000061d510 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0x998870, vup=0x0) at ../V3Width.cpp:538
#5 0x000000000048a0a7 in AstVar::accept (this=0x998870, v=..., vup=0x0) at ../V3AstNodes.h:606
#6 0x00000000004fa4d7 in AstNode::iterate (this=0x998870, v=..., vup=0x0) at ../V3Ast.h:921
#7 0x000000000061d998 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff3ff3d0) at ../V3Width.cpp:575
#8 0x0000000000471c0b in AstNVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff3ff3d0) at ./V3Ast__gen_visitor.h:207
#9 0x000000000048ad09 in AstVarRef::accept (this=0xa88880, v=..., vup=0x7fffff3ff3d0) at ../V3AstNodes.h:857
#10 0x0000000000480f5f in AstNode::iterateAndNext (this=0xa88880, v=..., vup=0x7fffff3ff3d0) at ../V3Ast.cpp:772
#11 0x000000000061d510 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0x998870, vup=0x0) at ../V3Width.cpp:538
#12 0x000000000048a0a7 in AstVar::accept (this=0x998870, v=..., vup=0x0) at ../V3AstNodes.h:606
#13 0x00000000004fa4d7 in AstNode::iterate (this=0x998870, v=..., vup=0x0) at ../V3Ast.h:921
#14 0x000000000061d998 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff3ff650) at ../V3Width.cpp:575
#15 0x0000000000471c0b in AstNVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff3ff650) at ./V3Ast__gen_visitor.h:207
#16 0x000000000048ad09 in AstVarRef::accept (this=0xa88880, v=..., vup=0x7fffff3ff650) at ../V3AstNodes.h:857
#17 0x0000000000480f5f in AstNode::iterateAndNext (this=0xa88880, v=..., vup=0x7fffff3ff650) at ../V3Ast.cpp:772
#18 0x000000000061d510 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0x998870, vup=0x0) at ../V3Width.cpp:538
---Type to continue, or q to quit---
#19 0x000000000048a0a7 in AstVar::accept (this=0x998870, v=..., vup=0x0) at ../V3AstNodes.h:606
#20 0x00000000004fa4d7 in AstNode::iterate (this=0x998870, v=..., vup=0x0) at ../V3Ast.h:921
#21 0x000000000061d998 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff3ff8d0) at ../V3Width.cpp:575
#22 0x0000000000471c0b in AstNVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff3ff8d0) at ./V3Ast__gen_visitor.h:207
#23 0x000000000048ad09 in AstVarRef::accept (this=0xa88880, v=..., vup=0x7fffff3ff8d0) at ../V3AstNodes.h:857
#24 0x0000000000480f5f in AstNode::iterateAndNext (this=0xa88880, v=..., vup=0x7fffff3ff8d0) at ../V3Ast.cpp:772
#25 0x000000000061d510 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0x998870, vup=0x0) at ../V3Width.cpp:538
#26 0x000000000048a0a7 in AstVar::accept (this=0x998870, v=..., vup=0x0) at ../V3AstNodes.h:606
#27 0x00000000004fa4d7 in AstNode::iterate (this=0x998870, v=..., vup=0x0) at ../V3Ast.h:921
#28 0x000000000061d998 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff3ffb50) at ../V3Width.cpp:575
#29 0x0000000000471c0b in AstNVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff3ffb50) at ./V3Ast__gen_visitor.h:207
#30 0x000000000048ad09 in AstVarRef::accept (this=0xa88880, v=..., vup=0x7fffff3ffb50) at ../V3AstNodes.h:857
#31 0x0000000000480f5f in AstNode::iterateAndNext (this=0xa88880, v=..., vup=0x7fffff3ffb50) at ../V3Ast.cpp:772
#32 0x000000000061d510 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0x998870, vup=0x0) at ../V3Width.cpp:538
#33 0x000000000048a0a7 in AstVar::accept (this=0x998870, v=..., vup=0x0) at ../V3AstNodes.h:606
#34 0x00000000004fa4d7 in AstNode::iterate (this=0x998870, v=..., vup=0x0) at ../V3Ast.h:921
#35 0x000000000061d998 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff3ffdd0) at ../V3Width.cpp:575
#36 0x0000000000471c0b in AstNVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff3ffdd0) at ./V3Ast__gen_visitor.h:207
#37 0x000000000048ad09 in AstVarRef::accept (this=0xa88880, v=..., vup=0x7fffff3ffdd0) at ../V3AstNodes.h:857
#38 0x0000000000480f5f in AstNode::iterateAndNext (this=0xa88880, v=..., vup=0x7fffff3ffdd0) at ../V3Ast.cpp:772
#39 0x000000000061d510 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0x998870, vup=0x0) at ../V3Width.cpp:538
#40 0x000000000048a0a7 in AstVar::accept (this=0x998870, v=..., vup=0x0) at ../V3AstNodes.h:606
#41 0x00000000004fa4d7 in AstNode::iterate (this=0x998870, v=..., vup=0x0) at ../V3Ast.h:921
---Type to continue, or q to quit---
#42 0x000000000061d998 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff400050) at ../V3Width.cpp:575
#43 0x0000000000471c0b in AstNVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff400050) at ./V3Ast__gen_visitor.h:207
#44 0x000000000048ad09 in AstVarRef::accept (this=0xa88880, v=..., vup=0x7fffff400050) at ../V3AstNodes.h:857
#45 0x0000000000480f5f in AstNode::iterateAndNext (this=0xa88880, v=..., vup=0x7fffff400050) at ../V3Ast.cpp:772
#46 0x000000000061d510 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0x998870, vup=0x0) at ../V3Width.cpp:538
#47 0x000000000048a0a7 in AstVar::accept (this=0x998870, v=..., vup=0x0) at ../V3AstNodes.h:606
#48 0x00000000004fa4d7 in AstNode::iterate (this=0x998870, v=..., vup=0x0) at ../V3Ast.h:921
#49 0x000000000061d998 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff4002d0) at ../V3Width.cpp:575
#50 0x0000000000471c0b in AstNVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff4002d0) at ./V3Ast__gen_visitor.h:207
#51 0x000000000048ad09 in AstVarRef::accept (this=0xa88880, v=..., vup=0x7fffff4002d0) at ../V3AstNodes.h:857
#52 0x0000000000480f5f in AstNode::iterateAndNext (this=0xa88880, v=..., vup=0x7fffff4002d0) at ../V3Ast.cpp:772
#53 0x000000000061d510 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0x998870, vup=0x0) at ../V3Width.cpp:538
#54 0x000000000048a0a7 in AstVar::accept (this=0x998870, v=..., vup=0x0) at ../V3AstNodes.h:606
#55 0x00000000004fa4d7 in AstNode::iterate (this=0x998870, v=..., vup=0x0) at ../V3Ast.h:921
#56 0x000000000061d998 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff400550) at ../V3Width.cpp:575
#57 0x0000000000471c0b in AstNVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff400550) at ./V3Ast__gen_visitor.h:207
#58 0x000000000048ad09 in AstVarRef::accept (this=0xa88880, v=..., vup=0x7fffff400550) at ../V3AstNodes.h:857
#59 0x0000000000480f5f in AstNode::iterateAndNext (this=0xa88880, v=..., vup=0x7fffff400550) at ../V3Ast.cpp:772
#60 0x000000000061d510 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0x998870, vup=0x0) at ../V3Width.cpp:538
#61 0x000000000048a0a7 in AstVar::accept (this=0x998870, v=..., vup=0x0) at ../V3AstNodes.h:606
#62 0x00000000004fa4d7 in AstNode::iterate (this=0x998870, v=..., vup=0x0) at ../V3Ast.h:921
#63 0x000000000061d998 in WidthVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff4007d0) at ../V3Width.cpp:575
#64 0x0000000000471c0b in AstNVisitor::visit (this=0x7fffffffd300, nodep=0xa88880, vup=0x7fffff4007d0) at ./V3Ast__gen_visitor.h:207
---Type to continue, or q to quit---^CQuit
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Original Redmine Comment
Author Name: Wilson Snyder (@wsnyder)
Original Date: 2011-03-08T01:46:31Z

That's a fun one! Fixed in git for 3.812+.

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Original Redmine Comment
Author Name: Wilson Snyder (@wsnyder)
Original Date: 2011-04-06T11:40:54Z

In 3.812.

@veripoolbot veripoolbot added area: parser Issue involves SystemVerilog parsing resolution: fixed Closed; fixed labels Dec 22, 2019
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