From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 122866 invoked by alias); 15 Nov 2018 20:03:42 -0000 Mailing-List: contact systemtap-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: systemtap-owner@sourceware.org Received: (qmail 118819 invoked by uid 48); 15 Nov 2018 20:03:38 -0000 From: "fche at redhat dot com" To: systemtap@sourceware.org Subject: [Bug runtime/23890] New: on f29 and later, elf segment/plt rearrangement leads to buildid verification errors Date: Thu, 15 Nov 2018 20:03:00 -0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: systemtap X-Bugzilla-Component: runtime X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: fche at redhat dot com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: systemtap 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 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: 2018-q4/txt/msg00102.txt.bz2 https://sourceware.org/bugzilla/show_bug.cgi?id=3D23890 Bug ID: 23890 Summary: on f29 and later, elf segment/plt rearrangement leads to buildid verification errors Product: systemtap Version: unspecified Status: NEW Severity: normal Priority: P2 Component: runtime Assignee: systemtap at sourceware dot org Reporter: fche at redhat dot com Target Milestone: --- $ eu-readelf -l /bin/stap Program Headers: Type Offset VirtAddr PhysAddr FileSiz Me= mSiz Flg Align PHDR 0x000040 0x0000000000000040 0x0000000000000040 0x0002a0 0x0002a0 R 0x8 INTERP 0x0002e0 0x00000000000002e0 0x00000000000002e0 0x00001c 0x00001c R 0x1 [Requesting program interpreter: /lib64/ld-linux-x86-64.so.2] LOAD 0x000000 0x0000000000000000 0x0000000000000000 0x02df40 0x02df40 R 0x1000 LOAD 0x02e000 0x000000000002e000 0x000000000002e000 0x265415 0x265415 R E 0x1000 Segment Sections... 00=20=20=20=20=20 01 [RO: .interp] 02 [RO: .interp .note.gnu.property .note.ABI-tag .note.gnu.build-id .gnu.hash .dynsym .dynstr .gnu.version .gnu.version_r .rela.dyn .rela.plt] 03 [RO: .init .plt .plt.sec .text .fini] but ... uprobes-inode.c ignores segment #2 (with the .notes) because it is non-executable: 00777 /* Check non-writable, executable sections for probes. */ 00778 if ((vm_flags & VM_EXEC) && !(vm_flags & VM_WRITE)) 00779 rc =3D stapiu_change_plus(target, task, addr, length, 00780 offset, vm_flags, dentry->d_inode); --=20 You are receiving this mail because: You are the assignee for the bug.