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* [Bug middle-end/104453] New: [9/10/11/12 Regression] ICE: SIGSEGV in handled_component_p with truncated input
@ 2022-02-08 21:12 zsojka at seznam dot cz
  2022-02-09  7:46 ` [Bug target/104453] " rguenth at gcc dot gnu.org
                   ` (6 more replies)
  0 siblings, 7 replies; 8+ messages in thread
From: zsojka at seznam dot cz @ 2022-02-08 21:12 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104453

            Bug ID: 104453
           Summary: [9/10/11/12 Regression] ICE: SIGSEGV in
                    handled_component_p with truncated input
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Keywords: ice-on-invalid-code
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: zsojka at seznam dot cz
  Target Milestone: ---
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu

Created attachment 52382
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52382&action=edit
reduced testcase

Compiler output:
$ x86_64-pc-linux-gnu-gcc -mavx512f testcase.c -wrapper valgrind,-q
testcase.c: In function 'foo':
testcase.c:7:33: error: expected ')' at end of input
    7 |   __builtin_ia32_psrawi256 (g, 0
      |                            ~    ^
      |                                 )
testcase.c:7:3: error: expected declaration or statement at end of input
    7 |   __builtin_ia32_psrawi256 (g, 0
      |   ^~~~~~~~~~~~~~~~~~~~~~~~
==13315== Invalid read of size 2
==13315==    at 0x1062CC4: handled_component_p (tree.h:5069)
==13315==    by 0x1062CC4: get_base_loadstore(tree_node*) (gimple-walk.cc:732)
==13315==    by 0x1063B70: walk_stmt_load_store_addr_ops(gimple*, void*, bool
(*)(gimple*, tree_node*, tree_node*, void*), bool (*)(gimple*, tree_node*,
tree_node*, void*), bool (*)(gimple*, tree_node*, tree_node*, void*))
(gimple-walk.cc:765)
==13315==    by 0xEA8CBA: record_stmt_references (cgraphbuild.cc:263)
==13315==    by 0xEA8CBA: (anonymous
namespace)::pass_build_cgraph_edges::execute(function*) (cgraphbuild.cc:330)
==13315==    by 0x127E0DA: execute_one_pass(opt_pass*) (passes.cc:2637)
==13315==    by 0x127E99F: execute_pass_list_1(opt_pass*) (passes.cc:2737)
==13315==    by 0x127E9D8: execute_pass_list(function*, opt_pass*)
(passes.cc:2748)
==13315==    by 0xEAB0FB: cgraph_node::analyze() (cgraphunit.cc:685)
==13315==    by 0xEADF97: analyze_functions(bool) (cgraphunit.cc:1240)
==13315==    by 0xEAEC2D: symbol_table::finalize_compilation_unit()
(cgraphunit.cc:2500)
==13315==    by 0x1386F3F: compile_file() (toplev.cc:479)
==13315==    by 0xCF54E8: do_compile (toplev.cc:2158)
==13315==    by 0xCF54E8: toplev::main(int, char**) (toplev.cc:2310)
==13315==    by 0xCF6C0A: main (main.cc:39)
==13315==  Address 0x0 is not stack'd, malloc'd or (recently) free'd
==13315== 
during GIMPLE pass: *build_cgraph_edges
testcase.c:5:1: internal compiler error: Segmentation fault
    5 | foo (void)
      | ^~~
0x1386c7f crash_signal
        /repo/gcc-trunk/gcc/toplev.cc:322
0x1062cc4 handled_component_p
        /repo/gcc-trunk/gcc/tree.h:5069
0x1062cc4 get_base_loadstore
        /repo/gcc-trunk/gcc/gimple-walk.cc:732
0x1063b70 walk_stmt_load_store_addr_ops(gimple*, void*, bool (*)(gimple*,
tree_node*, tree_node*, void*), bool (*)(gimple*, tree_node*, tree_node*,
void*), bool (*)(gimple*, tree_node*, tree_node*, void*))
        /repo/gcc-trunk/gcc/gimple-walk.cc:765
0xea8cba cgraph_node::record_stmt_references(gimple*)
        /repo/gcc-trunk/gcc/cgraphbuild.cc:263
0xea8cba execute
        /repo/gcc-trunk/gcc/cgraphbuild.cc:330
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.

$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r12-7089-20220208123931-g0103c2e4082-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/12.0.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--with-cloog --with-ppl --with-isl --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu
--with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r12-7089-20220208123931-g0103c2e4082-checking-yes-rtl-df-extra-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 12.0.1 20220208 (experimental) (GCC)

^ permalink raw reply	[flat|nested] 8+ messages in thread
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2022-02-08 21:12 [Bug middle-end/104453] New: [9/10/11/12 Regression] ICE: SIGSEGV in handled_component_p with truncated input zsojka at seznam dot cz
2022-02-09  7:46 ` [Bug target/104453] " rguenth at gcc dot gnu.org
2022-02-09  9:07 ` cvs-commit at gcc dot gnu.org
2022-02-09  9:08 ` [Bug target/104453] [9/10/11 " rguenth at gcc dot gnu.org
2022-03-16  8:22 ` cvs-commit at gcc dot gnu.org
2022-03-16  9:22 ` [Bug target/104453] [9/10 " cvs-commit at gcc dot gnu.org
2022-03-16  9:55 ` cvs-commit at gcc dot gnu.org
2022-03-16  9:56 ` rguenth at gcc dot gnu.org

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