public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
* [Bug fortran/108924] New: memory leak in doloop_warn @ 2023-02-24 12:31 rguenth at gcc dot gnu.org 2023-02-24 16:37 ` [Bug fortran/108924] " anlauf at gcc dot gnu.org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: rguenth at gcc dot gnu.org @ 2023-02-24 12:31 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108924 Bug ID: 108924 Summary: memory leak in doloop_warn Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran Assignee: unassigned at gcc dot gnu.org Reporter: rguenth at gcc dot gnu.org Target Milestone: --- valgrind leak check complains ==8747== 16 bytes in 2 blocks are definitely lost in loss record 6 of 2,309 ==8747== at 0x4C346A4: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==8747== by 0x5697698: __gmp_default_allocate (in /usr/lib64/libgmp.so.10.3.2) ==8747== by 0x56A7A22: __gmpz_init_set (in /usr/lib64/libgmp.so.10.3.2) ==8747== by 0x874110: do_subscript (frontend-passes.cc:2863) ==8747== by 0x874110: do_function(gfc_expr**, int*, void*) (frontend-passes.cc:2710) ==8747== by 0x870675: gfc_expr_walker(gfc_expr**, int (*)(gfc_expr**, int*, void*), void*) (frontend-passes.cc:5243) ==8747== by 0x870859: gfc_expr_walker(gfc_expr**, int (*)(gfc_expr**, int*, void*), void*) (frontend-passes.cc:5250) ==8747== by 0x870859: gfc_expr_walker(gfc_expr**, int (*)(gfc_expr**, int*, void*), void*) (frontend-passes.cc:5250) ==8747== by 0x8727D9: gfc_code_walker(gfc_code**, int (*)(gfc_code**, int*, void*), int (*)(gfc_expr**, int*, void*), void*) (frontend-passes.cc:5680) ==8747== by 0x872857: gfc_code_walker(gfc_code**, int (*)(gfc_code**, int*, void*), int (*)(gfc_expr**, int*, void*), void*) (frontend-passes.cc:5687) ==8747== by 0x872857: gfc_code_walker(gfc_code**, int (*)(gfc_code**, int*, void*), int (*)(gfc_expr**, int*, void*), void*) (frontend-passes.cc:5687) ==8747== by 0x872857: gfc_code_walker(gfc_code**, int (*)(gfc_code**, int*, void*), int (*)(gfc_expr**, int*, void*), void*) (frontend-passes.cc:5687) ==8747== by 0x8738CB: doloop_warn(gfc_namespace*) (frontend-passes.cc:3079) so it looks like some gmp vars are not released. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/108924] memory leak in doloop_warn 2023-02-24 12:31 [Bug fortran/108924] New: memory leak in doloop_warn rguenth at gcc dot gnu.org @ 2023-02-24 16:37 ` anlauf at gcc dot gnu.org 2023-02-24 20:30 ` cvs-commit at gcc dot gnu.org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: anlauf at gcc dot gnu.org @ 2023-02-24 16:37 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108924 anlauf at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |anlauf at gcc dot gnu.org --- Comment #1 from anlauf at gcc dot gnu.org --- Created attachment 54532 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54532&action=edit Tentative patch Does the attached fix this? Without a testcase this seems to be the fix obtained from reviewing the surrounding code. Regtests cleanly here. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/108924] memory leak in doloop_warn 2023-02-24 12:31 [Bug fortran/108924] New: memory leak in doloop_warn rguenth at gcc dot gnu.org 2023-02-24 16:37 ` [Bug fortran/108924] " anlauf at gcc dot gnu.org @ 2023-02-24 20:30 ` cvs-commit at gcc dot gnu.org 2023-02-24 20:39 ` anlauf at gcc dot gnu.org 2023-03-03 14:04 ` rguenth at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2023-02-24 20:30 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108924 --- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Harald Anlauf <anlauf@gcc.gnu.org>: https://gcc.gnu.org/g:45f406c4f62e516b58dcda20b5a7aa43ff0aa0f3 commit r13-6336-g45f406c4f62e516b58dcda20b5a7aa43ff0aa0f3 Author: Harald Anlauf <anlauf@gmx.de> Date: Fri Feb 24 19:56:32 2023 +0100 Fortran: frontend passes do_subscript leaks gmp memory [PR108924] gcc/fortran/ChangeLog: PR fortran/108924 * frontend-passes.cc (do_subscript): Clear used gmp variable. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/108924] memory leak in doloop_warn 2023-02-24 12:31 [Bug fortran/108924] New: memory leak in doloop_warn rguenth at gcc dot gnu.org 2023-02-24 16:37 ` [Bug fortran/108924] " anlauf at gcc dot gnu.org 2023-02-24 20:30 ` cvs-commit at gcc dot gnu.org @ 2023-02-24 20:39 ` anlauf at gcc dot gnu.org 2023-03-03 14:04 ` rguenth at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: anlauf at gcc dot gnu.org @ 2023-02-24 20:39 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108924 anlauf at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2023-02-24 Ever confirmed|0 |1 Assignee|unassigned at gcc dot gnu.org |anlauf at gcc dot gnu.org --- Comment #3 from anlauf at gcc dot gnu.org --- Taken. Waiting on feedback. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/108924] memory leak in doloop_warn 2023-02-24 12:31 [Bug fortran/108924] New: memory leak in doloop_warn rguenth at gcc dot gnu.org ` (2 preceding siblings ...) 2023-02-24 20:39 ` anlauf at gcc dot gnu.org @ 2023-03-03 14:04 ` rguenth at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: rguenth at gcc dot gnu.org @ 2023-03-03 14:04 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108924 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED --- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> --- Building the benchmark set fprate_any_fortran of SPEC CPU 2017 there's no leak from an allocation in do_subscript or do_function anymore. ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2023-03-03 14:04 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2023-02-24 12:31 [Bug fortran/108924] New: memory leak in doloop_warn rguenth at gcc dot gnu.org 2023-02-24 16:37 ` [Bug fortran/108924] " anlauf at gcc dot gnu.org 2023-02-24 20:30 ` cvs-commit at gcc dot gnu.org 2023-02-24 20:39 ` anlauf at gcc dot gnu.org 2023-03-03 14:04 ` rguenth at gcc dot gnu.org
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).