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<h2>[Octave-bug-tracker] [bug #56952] segfault during compilation while proc</h2>
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Dmitri A. Sergatskov</td>
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[Octave-bug-tracker] [bug #56952] segfault during compilation while processing doc/interpreter/genpropdoc.m</td>
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Tue, 24 Aug 2021 22:18:33 -0400 (EDT)</td>
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<pre>Follow-up Comment #56, bug #56952 (project octave):

gcc-fedora crash 
<a  rel="nofollow" href="http://buildbot.octave.org:8010/#/builders/11/builds/2549/steps/6/logs/stdio">http://buildbot.octave.org:8010/#/builders/11/builds/2549/steps/6/logs/stdio</a>


Aug 24 19:29:50 i7 octave-gui[2749993]: QSocketNotifier: Can only be used with
threads started with QThread
Aug 24 19:29:50 i7 audit[2749856]: ANOM_ABEND auid=1002 uid=1002 gid=1002
ses=3 subj=kernel pid=2749856 comm=&quot;octave-gui&quot;
exe=&quot;/home/buildbotu/fc25-x86_64/gcc-fedora/build/src/.libs/octave-gui&quot; sig=11
res=1
Aug 24 19:29:50 i7 kernel: show_signal_msg: 48 callbacks suppressed
Aug 24 19:29:50 i7 kernel: octave-gui[2749856]: segfault at 2085 ip
00007fb4fe23417d sp 00007ffdd9a18cb0 error 4 in
libc-2.33.so[7fb4fe21b000+14d000]
Aug 24 19:29:50 i7 kernel: Code: fe ff 4c 8b 23 41 0f b7 2f 49 83 c7 02 49 89
c5 4c 8d 70 fe 4d 85 e4 75 11 eb ca 66 90 4c 8b 63 08 48 83 c3 08 4d 85 e4 74
bb &lt;66&gt; 41 3b 2c 24 75 ec 49 8d 7c 24 02 4c 89 f2 4c 89 fe e8 2c 74 fe
Aug 24 19:29:50 i7 audit: BPF prog-id=52 op=LOAD
Aug 24 19:29:50 i7 systemd[1]: Created slice Slice /system/systemd-coredump.
Aug 24 19:29:50 i7 audit: BPF prog-id=53 op=LOAD
Aug 24 19:29:50 i7 audit: BPF prog-id=54 op=LOAD
Aug 24 19:29:50 i7 audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295
ses=4294967295 subj=kernel msg='unit=systemd-coredump@0-2750158-0
comm=&quot;systemd&quot; exe=&quot;/usr/lib/systemd/systemd&quot; hostname=? addr=? terminal=?
res=success'
Aug 24 19:29:50 i7 systemd[1]: Started Process Core Dump (PID 2750158/UID 0).
Aug 24 19:29:50 i7 audit[2750159]: NETFILTER_CFG table=filter family=7
entries=0 op=xt_register pid=2750159 subj=kernel comm=&quot;(coredump)&quot;
Aug 24 19:29:50 i7 audit[2750159]: NETFILTER_CFG table=broute family=7
entries=0 op=xt_register pid=2750159 subj=kernel comm=&quot;(coredump)&quot;
Aug 24 19:29:50 i7 audit[2750159]: NETFILTER_CFG table=nat family=7 entries=0
op=xt_register pid=2750159 subj=kernel comm=&quot;(coredump)&quot;
Aug 24 19:29:51 i7 systemd-coredump[2750159]: [🡕] Process 2749856
(octave-gui) of user 1002 dumped core.
                                              
                                              Stack trace of thread 2749856:
                                              #0  0x00007fb4fe23417d getenv
(libc.so.6 + 0x3f17d)
                                              #1  0x00007fb4e9e33582
xkb_context_new (libxkbcommon.so.0 + 0x1c582)
                                              #2  0x00007fb4e8c8afd0
keyboard_handle_keymap (libgdk-3.so.0 + 0x93fd0)
                                              #3  0x00007fb4e9e12c04
ffi_call_unix64 (libffi.so.6 + 0x6c04)
                                              #4  0x00007fb4e9e12107 ffi_call
(libffi.so.6 + 0x6107)
                                              #5  0x00007fb4e9efdd10
wl_closure_invoke.constprop.0 (libwayland-client.so.0 + 0x6d10)
                                              #6  0x00007fb4e9efe42b
dispatch_event.isra.0 (libwayland-client.so.0 + 0x742b)
                                              #7  0x00007fb4e9efe61c
wl_display_dispatch_queue_pending (libwayland-client.so.0 + 0x761c)
                                              #8  0x00007fb4e8c92368
_gdk_wayland_display_queue_events (libgdk-3.so.0 + 0x9b368)
                                              #9  0x00007fb4e8c2db1b
gdk_display_get_event (libgdk-3.so.0 + 0x36b1b)
                                              #10 0x00007fb4e8c97446
gdk_event_source_dispatch.lto_priv.2 (libgdk-3.so.0 + 0xa0446)
                                              #11 0x00007fb4fd5e44cf
g_main_context_dispatch (libglib-2.0.so.0 + 0x554cf)
                                              #12 0x00007fb4fd6384e8
g_main_context_iterate.constprop.0 (libglib-2.0.so.0 + 0xa94e8)
                                              #13 0x00007fb4fd5e1c03
g_main_context_iteration (libglib-2.0.so.0 + 0x52c03)
                                              #14 0x00007fb503222698
_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
(libQt5Core.so.5 + 0x2f7698)
                                              #15 0x00007fb5031cfab2
_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 +
0x2a4ab2)
                                              #16 0x00007fb5031d7fe4
_ZN16QCoreApplication4execEv (libQt5Core.so.5 + 0x2acfe4)
                                              #17 0x00007fb505d61a0f n/a
(/home/buildbotu/fc25-x86_64/gcc-fedora/build/libgui/.libs/liboctgui.so.6.1.0
+ 0x1eaa0f)
                                              #18 0x0000000002047e20 n/a (n/a
+ 0x0)
Aug 24 19:29:51 i7 systemd[1]: systemd-coredump@0-2750158-0.service:
Deactivated successfully.


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