From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 1613D3858D3C; Sat, 15 Jul 2023 19:54:28 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1613D3858D3C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1689450868; bh=jtVC2EbIwku1bZAs2az63aZEz9jnp+yX+0rDlsgIkQI=; h=From:To:Subject:Date:From; b=JGBn+gNhSf+tWed/QjuPPElZS51H6BdSeTXLfJUWMjBUplQzYd8QAaau0TOVK6LDZ eJ5YUwEaxTHsPoCEDC8MkkVVhL3td14S4uQS+h4rp0AHGRNlp4VG/oDIrzcBJS8uib HH02JBnEwz2d+vbfUNhM164DaRZhFzK/SLvVVAVo= From: "jamborm at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug fortran/110677] New: UBSAN error: load of value 1818451807, which is not a valid value for type 'expr_t' when compiling pr49213.f90 Date: Sat, 15 Jul 2023 19:54:27 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: fortran X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: jamborm at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter blocked target_milestone cf_gcchost cf_gcctarget Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110677 Bug ID: 110677 Summary: UBSAN error: load of value 1818451807, which is not a valid value for type 'expr_t' when compiling pr49213.f90 Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: jamborm at gcc dot gnu.org Blocks: 63426 Target Milestone: --- Host: x86_64-linux-gnu Target: x86_64-linux-gnu With master revision r14-2537-g18dac101678b8c and ubsan-bootstrapped compil= er, I am getting the following error when compiling our own test gcc/testsuite/gfortran.dg/pr49213.f90: worker@tiber:~/buildworker/tiber-gcc-ubsan/objdir/gcc> UBSAN_OPTIONS=3D"halt_on_error=3D1 print_stacktrace=3D1" /home/worker/buildworker/tiber-gcc-ubsan/objdir/gcc/testsuite/gfortran3/../= ../gfortran -B/home/worker/buildworker/tiber-gcc-ubsan/objdir/gcc/testsuite/gfortran3/.= ./../ -B/home/worker/buildworker/tiber-gcc-ubsan/objdir/x86_64-pc-linux-gnu/./lib= gfortran/ /home/worker/buildworker/tiber-gcc-ubsan/build/gcc/testsuite/gfortran.dg/pr= 49213.f90 -fdiagnostics-plain-output -fdiagnostics-plain-output -O0 -pedantic-errors -B/home/worker/buildworker/tiber-gcc-ubsan/objdir/x86_64-pc-linux-gnu/./lib= gfortran/.libs -L/home/worker/buildworker/tiber-gcc-ubsan/objdir/x86_64-pc-linux-gnu/./lib= gfortran/.libs -L/home/worker/buildworker/tiber-gcc-ubsan/objdir/x86_64-pc-linux-gnu/./lib= gfortran/.libs -L/home/worker/buildworker/tiber-gcc-ubsan/objdir/x86_64-pc-linux-gnu/./lib= atomic/.libs -B/home/worker/buildworker/tiber-gcc-ubsan/objdir/x86_64-pc-linux-gnu/./lib= quadmath/.libs -L/home/worker/buildworker/tiber-gcc-ubsan/objdir/x86_64-pc-linux-gnu/./lib= quadmath/.libs -L/home/worker/buildworker/tiber-gcc-ubsan/objdir/x86_64-pc-linux-gnu/./lib= quadmath/.libs -lm -o /tmp/pr49213.exe /home/worker/buildworker/tiber-gcc-ubsan/build/gcc/fortran/resolve.cc:1401:= 30: runtime error: load of value 1818451807, which is not a valid value for type 'expr_t' #0 0x79124e in resolve_structure_cons /home/worker/buildworker/tiber-gcc-ubsan/build/gcc/fortran/resolve.cc:1401 #1 0xda4d76 in resolve_generic_f /home/worker/buildworker/tiber-gcc-ubsan/build/gcc/fortran/resolve.cc:2852= =20=20=20 #2 0xda4d76 in resolve_function /home/worker/buildworker/tiber-gcc-ubsan/build/gcc/fortran/resolve.cc:3367 #3 0xda839e in gfc_resolve_expr(gfc_expr*) /home/worker/buildworker/tiber-gcc-ubsan/build/gcc/fortran/resolve.cc:7313 #4 0xda839e in gfc_resolve_expr(gfc_expr*) /home/worker/buildworker/tiber-gcc-ubsan/build/gcc/fortran/resolve.cc:7275 #5 0xdef0e0 in gfc_resolve_code(gfc_code*, gfc_namespace*) /home/worker/buildworker/tiber-gcc-ubsan/build/gcc/fortran/resolve.cc:12314 #6 0xdfe227 in resolve_codes /home/worker/buildworker/tiber-gcc-ubsan/build/gcc/fortran/resolve.cc:18027 #7 0xdfe09a in resolve_codes /home/worker/buildworker/tiber-gcc-ubsan/build/gcc/fortran/resolve.cc:18008 #8 0xd8965a in gfc_resolve(gfc_namespace*) /home/worker/buildworker/tiber-gcc-ubsan/build/gcc/fortran/resolve.cc:18062 #9 0xd8965a in gfc_resolve(gfc_namespace*) /home/worker/buildworker/tiber-gcc-ubsan/build/gcc/fortran/resolve.cc:18041 #10 0xd3f387 in resolve_all_program_units /home/worker/buildworker/tiber-gcc-ubsan/build/gcc/fortran/parse.cc:6862 #11 0xd3f387 in gfc_parse_file() /home/worker/buildworker/tiber-gcc-ubsan/build/gcc/fortran/parse.cc:7118 #12 0xed0bfe in gfc_be_parse_file /home/worker/buildworker/tiber-gcc-ubsan/build/gcc/fortran/f95-lang.cc:229= =20=20 #13 0x2adde20 in compile_file /home/worker/buildworker/tiber-gcc-ubsan/build/gcc/toplev.cc:444 #14 0xab5e55 in do_compile /home/worker/buildworker/tiber-gcc-ubsan/build/gcc/toplev.cc:2126 #15 0xab5e55 in toplev::main(int, char**) /home/worker/buildworker/tiber-gcc-ubsan/build/gcc/toplev.cc:2282=20=20=20 #16 0xab8fb1 in main /home/worker/buildworker/tiber-gcc-ubsan/build/gcc/main.cc:39 #17 0x7fd8e6557baf in __libc_start_call_main (/lib64/libc.so.6+0x27baf) (BuildId: 1390809fc3a065502adfa6735d294c2c86aebe4d) #18 0x7fd8e6557c78 in __libc_start_main_alias_1 (/lib64/libc.so.6+0x27c= 78) (BuildId: 1390809fc3a065502adfa6735d294c2c86aebe4d) #19 0xab93f4 in _start ../sysdeps/x86_64/start.S:115 Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D63426 [Bug 63426] [meta-bug] Issues found with -fsanitize=3Dundefined=