[Bug 1918035] [NEW] ld-2.31.so is not correctly packaged in libc6-dbg

Public bug reported: lsb_release -rd Description:Ubuntu 20.04.2 LTS Release:20.04 Using gdb 9.2-0ubuntu1~20.04, libc6 and libc6-dbg 2.31-0ubuntu9.2 gdb -q /bin/date Reading symbols from /bin/date... (No debugging symbols found in /bin/date) (gdb) starti Starting program:

[Bug 305176]

Google ref: b/16983603. I wouldn't call this bug fixed. I have just found ~30 bugs in our code, where someone wrote: vectorint v; ... v.empty(); // v.clear() was intended! No problem, I'll just add warn_unused_result to vector::empty(), right? Well, that did expose the 30 bugs above,

[Bug 919202]

*** Bug 14133 has been marked as a duplicate of this bug. *** -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/919202 Title: [2.15~pre6] regression: crashes in dlopen() To manage notifications about

[Bug 919202]

(In reply to comment #6) *** Bug 14133 has been marked as a duplicate of this bug. *** In PR13618, Marc-Antoine Perennou asks for the fix to be back-ported to 15.1 branch. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 893605]

*** Bug 13906 has been marked as a duplicate of this bug. *** -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/893605 Title: crashes with glibc-2.14/2.15 on dlopen (seen with kvm and gnucash) To

[Bug 919202]

*** Bug 13633 has been marked as a duplicate of this bug. *** -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/919202 Title: [2.15~pre6] regression: crashes in dlopen() To manage notifications about

[Bug 919202] Re: [2.15~pre6] regression: crashes in dlopen()

The reason for useless stack trace is a GDB bug: http://sourceware.org/bugzilla/show_bug.cgi?id=9538 You should be able to get a more useful info by using explicit add-symbol-file /usr/lib/debug/lib/x86_64-linux-gnu/ld-2.15.so ld- linux-load-address (where ld-linux-load-address is available

[Bug 919202] Re: [2.15~pre6] regression: crashes in dlopen()

The crash stack trace is: (gdb) bt #0 0x5446 in ?? () #1 0x75137fc5 in floor () at ../sysdeps/x86_64/fpu/multiarch/s_floor.S:26 #2 0x77de6a2b in elf_machine_rela (sym=0x7511ec88, skip_ifunc=0, reloc_addr_arg=0x741c5060, version=optimized out, map=0x60b090,

[Bug 919202] Re: [2.15~pre6] regression: crashes in dlopen()

Got a trivial reproducer and filed upstream bug: http://sourceware.org/bugzilla/show_bug.cgi?id=13618 ** Bug watch added: Sourceware.org Bugzilla #13618 http://sourceware.org/bugzilla/show_bug.cgi?id=13618 -- You received this bug notification because you are a member of Ubuntu Bugs, which

[Bug 893605] Re: crashes with glibc-2.14/2.15 on dlopen (seen with kvm and gnucash)

I confirm that neither gnucash, nor the test from http://sourceware.org/bugzilla/show_bug.cgi?id=13579 show dangling access under Valgrind using libc6_2.15~pre6-0ubuntu4_amd64.deb -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 914448] [NEW] libc6-dbg puts ld-2.X.so into wrong location

Public bug reported: Using libc6_2.13-24ubuntu2_amd64.deb with libc6-dbg_2.13-24ubuntu2_amd64.deb, gdb -q /bin/date Reading symbols from /bin/date...done. (gdb) set stop-on-solib-events 1 (gdb) run Starting program: /bin/date Stopped due to shared library event (gdb) bt #0 0x77deb300

[Bug 914448] Re: libc6-dbg puts ld-2.X.so into wrong location

GDB bug: http://sourceware.org/bugzilla/show_bug.cgi?id=9538 ** Bug watch added: Sourceware.org Bugzilla #9538 http://sourceware.org/bugzilla/show_bug.cgi?id=9538 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 793292] Re: gdb cannot find debugging symbols for ld-linux-x86-64.so

https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/914448 is a duplicate of this bug, but has explanation of what's happening. Arguably this is a bug in GDB: http://sourceware.org/bugzilla/show_bug.cgi?id=9538 ** Bug watch added: Sourceware.org Bugzilla #9538

[Bug 893605] Re: crashes with glibc-2.14/2.15 on dlopen (seen with kvm and gnucash)

I've reproduced the gnucash crash. The actual crash stack trace is (using 2.15~pre6-0ubuntu2): #0 do_lookup_x (new_hash=2334765441, old_hash=optimized out, result=0x7fffdb60, scope=optimized out, i=0, flags=2, skip=0x0, undef_map=0x77ff8000) at dl-lookup.c:98 #1 0x77de44e3 in

[Bug 893605] Re: crashes with glibc-2.14/2.15 on dlopen (seen with kvm and gnucash)

Valgrind confirms: ==11099== Invalid read of size 8 ==11099==at 0x4009B1A: do_lookup_x (dl-lookup.c:98) ==11099==by 0x400A4E2: _dl_lookup_symbol_x (dl-lookup.c:739) ==11099==by 0x730D419: do_sym (dl-sym.c:178) ==11099==by 0x11D23043: dlsym_doit (dlsym.c:51) ==11099==by

[Bug 893605] Re: crashes with glibc-2.14/2.15 on dlopen (seen with kvm and gnucash)

Upstream bug with short reproducer filed: http://sourceware.org/bugzilla/show_bug.cgi?id=13579 ** Bug watch added: Sourceware.org Bugzilla #13579 http://sourceware.org/bugzilla/show_bug.cgi?id=13579 -- You received this bug notification because you are a member of Ubuntu Bugs, which is