public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/53706] New: [4.8 Regression] [ia64]: Bootstrap failure due to "Invalid write of size 8 at 0xBDC35E: variable_htab_free (var-tracking.c:1418) Date: Sun, 17 Jun 2012 12:40:00 -0000 [thread overview] Message-ID: <bug-53706-4@http.gcc.gnu.org/bugzilla/> (raw) http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53706 Bug #: 53706 Summary: [4.8 Regression] [ia64]: Bootstrap failure due to "Invalid write of size 8 at 0xBDC35E: variable_htab_free (var-tracking.c:1418) Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization AssignedTo: unassigned@gcc.gnu.org ReportedBy: ubizjak@gmail.com Recent 4.8 regression on ia64. The bootstrap fail with: *** glibc detected *** /home/uros/gcc-build/prev-gcc/cc1plus: corrupted double-linked list: 0x60000000027ec0d0 *** ======= Backtrace: ========= /lib/libc.so.6.1(+0xd7800)[0x200000000021f800] /lib/libc.so.6.1(+0xd81f0)[0x20000000002201f0] /lib/libc.so.6.1(+0xdb5e0)[0x20000000002235e0] /lib/libc.so.6.1(cfree-0x1cfed0)[0x200000000022be10] /home/uros/gcc-build/prev-gcc/cc1plus(htab_delete+0x20000000014501a0)[0x400000000184be90] /home/uros/gcc-build/prev-gcc/cc1plus[0x40000000014063a0] /home/uros/gcc-build/prev-gcc/cc1plus(_Z22variable_tracking_mainv+0x2000000001012b50)[0x400000000140c530] /home/uros/gcc-build/prev-gcc/cc1plus[0x400000000145f840] /home/uros/gcc-build/prev-gcc/cc1plus[0x4000000000d72d10] /home/uros/gcc-build/prev-gcc/cc1plus(_Z16execute_one_passP8opt_pass+0x20000000008a3860)[0x4000000000c9f560] /home/uros/gcc-build/prev-gcc/cc1plus(_Z17execute_pass_listP8opt_pass+0x20000000008a4c90)[0x4000000000ca0310] /home/uros/gcc-build/prev-gcc/cc1plus(_Z17execute_pass_listP8opt_pass+0x20000000008a4ce0)[0x4000000000ca0360] This corrupted double linked list problem can be exposed with a cross to ia64-unknown-linux-gnu under valgrind, with attached gimplify.ii: $ valgrind ~/gcc-build-ia64/gcc/cc1plus -O2 -g -fno-common -fno-exceptions -fno-rtti gimplify.ii ... ==2911== Invalid write of size 8 ==2911== at 0xBDC35E: variable_htab_free (var-tracking.c:1418) ==2911== by 0xDA819A: htab_delete (hashtab.c:430) ==2911== by 0xBE93EA: vt_emit_notes (var-tracking.c:9132) ==2911== by 0xBE9631: variable_tracking_main (var-tracking.c:9875) ==2911== by 0xC06995: ia64_reorg (ia64.c:9834) ==2911== by 0x9923F9: rest_of_handle_machine_reorg (reorg.c:4151) ==2911== by 0x945C26: execute_one_pass (passes.c:2164) ==2911== by 0x945FD4: execute_pass_list (passes.c:2219) ==2911== by 0x945FE6: execute_pass_list (passes.c:2220) ==2911== by 0x945FE6: execute_pass_list (passes.c:2220) ==2911== by 0x745047: expand_function (cgraphunit.c:1615) ==2911== by 0x746936: compile (cgraphunit.c:1720) ==2911== Address 0xf16ea18 is 40 bytes inside a block of size 2,568 free'd ==2911== at 0x4A079AE: free (vg_replace_malloc.c:427) ==2911== by 0x6DA9F7: empty_alloc_pool (alloc-pool.c:210) ==2911== by 0x6DAA68: free_alloc_pool (alloc-pool.c:230) ==2911== by 0xBE93D3: vt_emit_notes (var-tracking.c:9130) ==2911== by 0xBE9631: variable_tracking_main (var-tracking.c:9875) ==2911== by 0xC06995: ia64_reorg (ia64.c:9834) ==2911== by 0x9923F9: rest_of_handle_machine_reorg (reorg.c:4151) ==2911== by 0x945C26: execute_one_pass (passes.c:2164) ==2911== by 0x945FD4: execute_pass_list (passes.c:2219) ==2911== by 0x945FE6: execute_pass_list (passes.c:2220) ==2911== by 0x945FE6: execute_pass_list (passes.c:2220) ==2911== by 0x745047: expand_function (cgraphunit.c:1615)
next reply other threads:[~2012-06-17 12:40 UTC|newest] Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-06-17 12:40 ubizjak at gmail dot com [this message] 2012-06-17 12:42 ` [Bug rtl-optimization/53706] " ubizjak at gmail dot com 2012-06-17 16:49 ` ubizjak at gmail dot com 2012-06-17 17:01 ` ubizjak at gmail dot com 2012-06-17 21:59 ` hjl.tools at gmail dot com 2012-06-17 22:01 ` hjl.tools at gmail dot com 2012-06-18 7:51 ` [Bug rtl-optimization/53706] [4.8 Regression] " jakub at gcc dot gnu.org 2012-06-18 9:50 ` aoliva at gcc dot gnu.org 2012-06-21 6:56 ` ubizjak at gmail dot com 2012-06-21 6:59 ` ubizjak at gmail dot com 2012-06-21 7:34 ` ubizjak at gmail dot com 2012-06-21 13:19 ` uweigand at gcc dot gnu.org 2012-06-21 15:24 ` ubizjak at gmail dot com 2012-06-25 14:56 ` ro at gcc dot gnu.org 2012-06-25 15:17 ` ro at CeBiTec dot Uni-Bielefeld.DE 2012-06-26 16:28 ` wschmidt at gcc dot gnu.org 2012-06-26 20:31 ` aoliva at gcc dot gnu.org 2012-06-27 2:00 ` aoliva at gcc dot gnu.org 2012-06-27 5:45 ` aoliva at gcc dot gnu.org 2012-06-27 6:31 ` aoliva at gcc dot gnu.org 2012-06-27 9:02 ` ro at CeBiTec dot Uni-Bielefeld.DE 2012-06-27 20:10 ` hp at gcc dot gnu.org 2012-06-28 7:47 ` aoliva at gcc dot gnu.org 2012-07-01 11:00 ` dcb314 at hotmail dot com
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=bug-53706-4@http.gcc.gnu.org/bugzilla/ \ --to=gcc-bugzilla@gcc.gnu.org \ --cc=gcc-bugs@gcc.gnu.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
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).