From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31356 invoked by alias); 24 Jan 2020 15:52:47 -0000 Mailing-List: contact dwz-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Post: List-Help: List-Subscribe: Sender: dwz-owner@sourceware.org Received: (qmail 31302 invoked by uid 48); 24 Jan 2020 15:52:42 -0000 From: "vries at gcc dot gnu.org" To: dwz@sourceware.org Subject: [Bug default/25456] New: [dwz, low-mem] segfault in die_cu Date: Wed, 01 Jan 2020 00:00:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: dwz X-Bugzilla-Component: default X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: vries at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: nobody at sourceware dot 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 cc target_milestone Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://sourceware.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2020-q1/txt/msg00047.txt https://sourceware.org/bugzilla/show_bug.cgi?id=3D25456 Bug ID: 25456 Summary: [dwz, low-mem] segfault in die_cu Product: dwz Version: unspecified Status: NEW Severity: normal Priority: P2 Component: default Assignee: nobody at sourceware dot org Reporter: vries at gcc dot gnu.org CC: dwz at sourceware dot org Target Milestone: --- Segfault in low-mem mode: ... $ dwz clang-offload-bundler-10.debug dwz: clang-offload-bundler-10.debug: Couldn't find DIE referenced by DW_OP_GNU_implicit_pointer $ dwz clang-offload-bundler-10.debug -l0 Segmentation fault (core dumped) ... Backtrace: ... Program received signal SIGSEGV, Segmentation fault. die_cu (die=3D0x0) at /data/dwz/dwz.git/dwz.c:984 984 while (!die->die_root) Missing separate debuginfos, use: zypper install libelf1-debuginfo-0.168-lp151.4.3.1.x86_64 libz1-debuginfo-1.2.11-lp151.5.3.1.x86_64 (gdb) bt #0 die_cu (die=3D0x0) at /data/dwz/dwz.git/dwz.c:984 #1 read_exprloc (dso=3Ddso@entry=3D0x631660, die=3Ddie@entry=3D0x7fffeeb1e= fe8, ptr=3D0x7ffff270f439 "",=20 len=3D, need_adjust=3Dneed_adjust@entry=3D0x7fffffffd29f= ) at /data/dwz/dwz.git/dwz.c:1918 #2 0x000000000040e550 in read_loclist (dso=3Ddso@entry=3D0x631660, die=3Ddie@entry=3D0x7fffeeb1efe8,=20 offset=3D) at /data/dwz/dwz.git/dwz.c:2427 #3 0x000000000040ef75 in checksum_die (dso=3D, cu=3D, top_die=3D,=20 die=3D0x7fffeeb1efe8) at /data/dwz/dwz.git/dwz.c:2672 #4 0x000000000040ea1d in checksum_die (dso=3D, cu=3D, top_die=3D,=20 die=3D0x7fffeeb1f1e0) at /data/dwz/dwz.git/dwz.c:3028 #5 0x000000000040ea1d in checksum_die (dso=3D, cu=3D, top_die=3D,=20 die=3D0x7fffeb7c07f8) at /data/dwz/dwz.git/dwz.c:3028 #6 0x000000000040ea1d in checksum_die (dso=3D, cu=3D, top_die=3D,=20 die=3D0x7fffeb7bee30) at /data/dwz/dwz.git/dwz.c:3028 #7 0x0000000000412e23 in read_debug_info (dso=3Ddso@entry=3D0x631660, kind=3Dkind@entry=3D0,=20 die_count=3Ddie_count@entry=3D0x400000000) at /data/dwz/dwz.git/dwz.c:6= 170 #8 0x0000000000413e1f in read_dwarf (dso=3Ddso@entry=3D0x631660, quieter=3D, die_count=3D0x400000000,=20 die_count@entry=3D0x0) at /data/dwz/dwz.git/dwz.c:12066 #9 0x000000000041a4b8 in dwz (file=3Dfile@entry=3D0x7fffffffe106 "clang-offload-bundler-10.debug",=20 outfile=3Doutfile@entry=3D0x7fffffffe128 "1", res=3Dres@entry=3D0x7ffff= fffdab0, resa=3Dresa@entry=3D0x0,=20 files=3Dfiles@entry=3D0x0) at /data/dwz/dwz.git/dwz.c:13629 #10 0x000000000040428c in main (argc=3D5, argv=3D) at /data/dwz/dwz.git/dwz.c:14882 ... --=20 You are receiving this mail because: You are on the CC list for the bug.