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From: "Joost.VandeVondele at mat dot ethz.ch" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/55341] address-sanitizer and Fortran
Date: Wed, 19 Dec 2012 16:08:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55341

--- Comment #31 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> 2012-12-19 16:08:14 UTC ---
(In reply to comment #27)
> This time it looks like a valid error report (stack buffer overflow), but asan
> crashes while reporting it. 


If I add -fno-omit-frame-pointer, the stack trace becomes better. the check now
fails in what I believe would be a gfortran provided routine (__MAIN or
similar). The invalid write of size 8 has become one of size 4:

WRITE of size 4 at 0x7fff2faeb270 thread T0
    #0 0x4472d9 in __cp_log_handling_MOD_cp_int_to_string
/data/vjoost/gnu/cp2k/cp2k/src/../src/cp_log_handling.F:882
    #1 0x6419b5 in __input_section_types_MOD_section_vals_get_subs_vals
/data/vjoost/gnu/cp2k/cp2k/src/../src/input_section_types.F:1103 (discriminator
2)
    #2 0x48a77b in __f77_interface_MOD_create_force_env
/data/vjoost/gnu/cp2k/cp2k/src/../src/f77_interface.F:817
    #3 0x41566a in __cp2k_runs_MOD_cp2k_run
/data/vjoost/gnu/cp2k/cp2k/src/../src/cp2k_runs.F:307
    #4 0x4167f2 in __cp2k_runs_MOD_run_input
/data/vjoost/gnu/cp2k/cp2k/src/../src/cp2k_runs.F:1133
    #5 0x407289 in cp2k /data/vjoost/gnu/cp2k/cp2k/src/../src/cp2k.F:285
    #6 0x40751a in main /data/vjoost/gnu/cp2k/cp2k/src/../src/cp2k.F:41
    #7 0x351661ecdc in ?? ??:0
==70361== AddressSanitizer CHECK failed:
../../../../gcc/libsanitizer/asan/asan_report.cc:149 "((name_end)) != (0)"
(0x0, 0x0)
    #0 0x7f068f37bd83 in AsanCheckFailed _asan_rtl_
    #1 0x7f068f3803b3 in _ZN11__sanitizer11CheckFailedEPKciS1_yy
/data/vjoost/gnu/gcc_trunk/obj/x86_64-unknown-linux-gnu/libsanitizer/sanitizer_common/../../../../gcc/libsanitizer/sanitizer_common/sanitizer_common.cc:49