https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84640
Bug ID: 84640
Summary: gcc/fortran/simplify.c:2587:9: runtime error: pointer
index expression with base 0x0000090de160 overflowed
to 0xffffffffc0632960
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
Target Milestone: ---
UBSAN GCC sees:
$ UBSAN_OPTIONS="print_stacktrace=1" ./xgcc -B.
/home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/eoshift.f90 -c
../../gcc/fortran/simplify.c:2586:9: runtime error: pointer index expression
with base 0x0000090e15e0 overflowed to 0xffffffffc0635de0
v #0 0xa56cf8 in gfc_simplify_eoshift(gfc_expr*, gfc_expr*, gfc_expr*,
gfc_expr*) ../../gcc/fortran/simplify.c:2586
#1 0x8a929d in do_simplify ../../gcc/fortran/intrinsic.c:4433
#2 0x8b6be5 in gfc_intrinsic_func_interface(gfc_expr*, int)
../../gcc/fortran/intrinsic.c:4796
#3 0xa13b36 in resolve_unknown_f ../../gcc/fortran/resolve.c:2870
#4 0xa13b36 in resolve_function ../../gcc/fortran/resolve.c:3179
#5 0xa026da in gfc_resolve_expr(gfc_expr*) ../../gcc/fortran/resolve.c:6709
#6 0x9d8f0b in gfc_resolve_code(gfc_code*, gfc_namespace*)
../../gcc/fortran/resolve.c:11084
#7 0xa2d2a0 in gfc_resolve_blocks(gfc_code*, gfc_namespace*)
../../gcc/fortran/resolve.c:10131
#8 0x9d94f8 in gfc_resolve_code(gfc_code*, gfc_namespace*)
../../gcc/fortran/resolve.c:11074
#9 0x9e6f18 in resolve_codes ../../gcc/fortran/resolve.c:16512
#10 0x9e70c3 in gfc_resolve(gfc_namespace*)
../../gcc/fortran/resolve.c:16547
#11 0x98a65c in resolve_all_program_units ../../gcc/fortran/parse.c:6060
#12 0x98a65c in gfc_parse_file() ../../gcc/fortran/parse.c:6310
#13 0xac7128 in gfc_be_parse_file ../../gcc/fortran/f95-lang.c:204
#14 0x233d73c in compile_file ../../gcc/toplev.c:455
#15 0x787949 in do_compile ../../gcc/toplev.c:2132
#16 0x787949 in toplev::main(int, char**) ../../gcc/toplev.c:2267
#17 0x78a80a in main ../../gcc/main.c:39
#18 0x7f23797dc6e4 in __libc_start_main (/lib64/libc.so.6+0x206e4)
#19 0x78a938 in _start
(/home/marxin/Programming/gcc/objdir/gcc/f951+0x78a938)
../../gcc/fortran/simplify.c:2587:9: runtime error: pointer index expression
with base 0x0000090de160 overflowed to 0xffffffffc0632960
#0 0xa56d18 in gfc_simplify_eoshift(gfc_expr*, gfc_expr*, gfc_expr*,
gfc_expr*) ../../gcc/fortran/simplify.c:2587
#1 0x8a929d in do_simplify ../../gcc/fortran/intrinsic.c:4433
#2 0x8b6be5 in gfc_intrinsic_func_interface(gfc_expr*, int)
../../gcc/fortran/intrinsic.c:4796
#3 0xa13b36 in resolve_unknown_f ../../gcc/fortran/resolve.c:2870
#4 0xa13b36 in resolve_function ../../gcc/fortran/resolve.c:3179
#5 0xa026da in gfc_resolve_expr(gfc_expr*) ../../gcc/fortran/resolve.c:6709
#6 0x9d8f0b in gfc_resolve_code(gfc_code*, gfc_namespace*)
../../gcc/fortran/resolve.c:11084
#7 0xa2d2a0 in gfc_resolve_blocks(gfc_code*, gfc_namespace*)
../../gcc/fortran/resolve.c:10131
#8 0x9d94f8 in gfc_resolve_code(gfc_code*, gfc_namespace*)
../../gcc/fortran/resolve.c:11074
#9 0x9e6f18 in resolve_codes ../../gcc/fortran/resolve.c:16512
#10 0x9e70c3 in gfc_resolve(gfc_namespace*)
../../gcc/fortran/resolve.c:16547
#11 0x98a65c in resolve_all_program_units ../../gcc/fortran/parse.c:6060
#12 0x98a65c in gfc_parse_file() ../../gcc/fortran/parse.c:6310
#13 0xac7128 in gfc_be_parse_file ../../gcc/fortran/f95-lang.c:204
#14 0x233d73c in compile_file ../../gcc/toplev.c:455
#15 0x787949 in do_compile ../../gcc/toplev.c:2132
#16 0x787949 in toplev::main(int, char**) ../../gcc/toplev.c:2267
#17 0x78a80a in main ../../gcc/main.c:39
#18 0x7f23797dc6e4 in __libc_start_main (/lib64/libc.so.6+0x206e4)
#19 0x78a938 in _start
(/home/marxin/Programming/gcc/objdir/gcc/f951+0x78a938)
