Bug#813545: vlc: freeze followed by segmentation fault after closing the window
Sebastian Ramacher
sramacher at debian.org
Sun Dec 10 16:18:48 UTC 2017
Control: tags -1 + moreinfo
Sorry for the delay. I mussed this report.
On 2016-02-03 00:17:01, Vincent Lefevre wrote:
> Package: src:vlc
> Version: 2.2.2-1
> Severity: important
>
> After I close the window, VLC froze then crashed (segmentation fault).
> I could reproduce this problem another time, but that's all. This never
> occurred with previous versions.
Unfortunately I cannot reproduce the issue. So please try again with 2.2.8 and
provide the output of vlc -vvv.
Cheers
>
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0 __strcmp_sse2_unaligned ()
> at ../sysdeps/x86_64/multiarch/strcmp-sse2-unaligned.S:30
> 30 ../sysdeps/x86_64/multiarch/strcmp-sse2-unaligned.S: No such file or directory.
> [Current thread is 1 (Thread 0x7f07a02e1700 (LWP 15208))]
>
> The backtrace:
>
> Thread 2 (Thread 0x7f07cf935880 (LWP 15092)):
> #0 0x00007f07cf38d8cf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
> #1 0x00007f07ceb7fe95 in vlc_cond_wait (p_condvar=<optimized out>, p_mutex=<optimized out>) at posix/thread.c:387
> #2 0x00007f07ceaff25b in playlist_fetcher_Delete (p_fetcher=0x244e3c0) at playlist/fetcher.c:166
> p_next = <optimized out>
> album = <optimized out>
> #3 0x00007f07ceb033c7 in playlist_preparser_Delete (p_preparser=0x244e330) at playlist/preparser.c:120
> #4 0x00007f07ceaebcea in libvlc_InternalCleanup (p_libvlc=0x2439ee8) at libvlc.c:546
> #5 0x00007f07cf5a5b6e in libvlc_release () at /usr/lib/libvlc.so.5
> #6 0x0000000000401396 in ()
> #7 0x00007f07cedf9870 in __libc_start_main (main=0x401190, argc=1, argv=0x7ffe4950f0f8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe4950f0e8) at libc-start.c:291
> result = <optimized out>
> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 7486525756343416823, 4199744, 140730128462064, 0, 0, -7486696018106812425, -7355813339458865161}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x401bc0, 0x7ffe4950f0f8}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4201408}}}
> not_first_call = <optimized out>
> #8 0x0000000000401569 in ()
>
> Thread 1 (Thread 0x7f07a02e1700 (LWP 15208)):
> #0 0x00007f07cee6935e in __strcmp_sse2_unaligned () at ../sysdeps/x86_64/multiarch/strcmp-sse2-unaligned.S:30
> #1 0x00007f07ceebecf0 in __tfind (key=key at entry=0x7f07a02e0980, vrootp=vrootp at entry=0x2521a08, compar=compar at entry=0x7f07ceb76700 <varcmp>) at tsearch.c:320
> root = 0x7f07cf177c58 <main_arena+88>
> r = <optimized out>
> rootp = <optimized out>
> #2 0x00007f07ceb7777b in var_SetChecked (psz_name=0x7f07ceba1c0f "item-change", obj=0x2521a98) at misc/variables.c:154
> priv = 0x2521a00
> pp_var = <optimized out>
> i_ret = 0
> oldval = {i_int = 0, b_bool = false, f_float = 0, psz_string = 0x0, p_address = 0x0, p_object = 0x0, p_list = 0x0, i_time = 0, coords = {x = 0, y = 0}}
> p_priv = 0x2521a00
> #3 0x00007f07ceb7777b in var_SetChecked (p_this=0x2521a98, psz_name=psz_name at entry=0x7f07ceba1c0f "item-change", expected_type=expected_type at entry=112, val=...) at misc/variables.c:712
> i_ret = 0
> oldval = {i_int = 0, b_bool = false, f_float = 0, psz_string = 0x0, p_address = 0x0, p_object = 0x0, p_list = 0x0, i_time = 0, coords = {x = 0, y = 0}}
> p_priv = 0x2521a00
> #4 0x00007f07ceb05a7c in input_item_changed (ptr=<optimized out>, psz_name=0x7f07ceba1c0f "item-change", p_obj=<optimized out>) at ../include/vlc_variables.h:287
> p_item = <optimized out>
> #5 0x00007f07ceb05a7c in input_item_changed (p_event=<optimized out>, user_data=<optimized out>) at playlist/item.c:180
> p_item = <optimized out>
> #6 0x00007f07ceb718ea in vlc_event_send (p_em=p_em at entry=0x7f0788047758, p_event=p_event at entry=0x7f07a02e0a40) at misc/events.c:237
> listeners_group = <optimized out>
> listener = <optimized out>
> array_of_cached_listeners = 0x7f0785813ec0
> cached_listener = 0x7f0785813ec0
> i = <optimized out>
> i_cached_listeners = <optimized out>
> #7 0x00007f07ceb0b2a6 in input_item_SetMeta (p_i=0x7f07880476d0, meta_type=vlc_meta_ArtworkURL, psz_val=0x7f0785813df8 "http://coverartarchive.org/release/c3dd54fa-7eb7-464f-92da-e356d6c3776a/front-500") at input/item.c:143
> event = {type = vlc_InputItemMetaChanged, p_obj = 0x7f07880476d0, u = {input_state_changed = {new_state = 16}, input_selected_stream_changed = {unused = 0x7f0700000010}, input_item_meta_changed = {meta_type = vlc_meta_ArtworkURL}, input_item_subitem_added = {p_new_child = 0x7f0700000010}, input_item_subitem_tree_added = {p_root = 0x7f0700000010}, input_item_duration_changed = {new_duration = 139668041498640}, input_item_preparsed_changed = {new_status = 16}, input_item_name_changed = {new_name = 0x7f0700000010 <error: Cannot access memory at address 0x7f0700000010>}, input_item_info_changed = {unused = 0x7f0700000010}, input_item_error_when_reading_changed = {new_value = 16}, services_discovery_item_added = {p_new_item = 0x7f0700000010, psz_category = 0x7f07be884b8e "\205\300\017\205\062\001"}, services_discovery_item_removed = {p_item = 0x7f0700000010}, services_discovery_started = {unused = 0x7f0700000010}, services_discovery_ended = {unused = 0x7f0700000010}, addon_generic_event = {p_entry = 0x7f0700000010}}}
> #8 0x00007f07be884f32 in () at /usr/lib/vlc/plugins/lua/liblua_plugin.so
> #9 0x00007f07be887850 in () at /usr/lib/vlc/plugins/lua/liblua_plugin.so
> #10 0x00007f07be8852c5 in () at /usr/lib/vlc/plugins/lua/liblua_plugin.so
> #11 0x00007f07ceb62505 in module_load (obj=obj at entry=0x7f07840012a8, m=m at entry=0x24c6b30, init=init at entry=0x7f07ceb62450 <generic_start>, args=args at entry=0x7f07a02e0c28) at modules/modules.c:185
> Python Exception <class 'gdb.error'> Attempt to dereference a generic pointer.:
> #12 0x00007f07ceb62aae in vlc_module_load (obj=obj at entry=0x7f07840012a8, capability=capability at entry=0x7f07ceba1d7f "art finder", name=0x7f07ceb992a8 "", name at entry=0x0, strict=strict at entry=false, probe=probe at entry=0x7f07ceb62450 <generic_start>) at modules/modules.c:277
> cand = 0x24c6b30
> ret = <optimized out>
> i = 1
> buf = "any\000\a\177\000\000`$S\244\a\177\000\000Ї\000\204\a\177\000\000\320v\004\210\a\177\000"
> slen = <optimized out>
> shortcut = 0x7f07a02e0c40 "any"
> var = 0x0
> mods = 0x7f07840010d0
> total = 2
> module = 0x0
> b_force_backup = false
> Python Exception <class 'gdb.error'> Attempt to dereference a generic pointer.:
> #13 0x00007f07ceb62fc4 in module_need (obj=obj at entry=0x7f07840012a8, cap=cap at entry=0x7f07ceba1d7f "art finder", name=name at entry=0x0, strict=strict at entry=false) at modules/modules.c:366
> #14 0x00007f07ceafed30 in Thread (p_item=0x7f07880476d0, p_fetcher=<optimized out>) at playlist/fetcher.c:300
> p_module = <optimized out>
> i_ret = -1
> psz_album = <optimized out>
> p_album = 0x7f07840087d0
> psz_artist = <optimized out>
> psz_title = <optimized out>
> p_parent = <optimized out>
> p_finder = 0x7f07840012a8
> p_entry = <optimized out>
> e_prev_scope = FETCHER_SCOPE_ANY
> i_ret = -1
> p_fetcher = 0x244e3c0
> obj = 0x2439ee8
> e_pass = PASS2_NETWORK
> #15 0x00007f07ceafed30 in Thread (p_data=0x244e3c0) at playlist/fetcher.c:511
> p_entry = <optimized out>
> e_prev_scope = FETCHER_SCOPE_ANY
> i_ret = -1
> p_fetcher = 0x244e3c0
> obj = 0x2439ee8
> e_pass = PASS2_NETWORK
> #16 0x00007f07cf388284 in start_thread (arg=0x7f07a02e1700) at pthread_create.c:333
> __res = <optimized out>
> pd = 0x7f07a02e1700
> now = <optimized out>
> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139670728873728, 7486525206830872567, 0, 139671132015487, 139671132016000, 139670728873728, -7356001763341010953, -7355814756458727433}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
> not_first_call = <optimized out>
> pagesize_m1 = <optimized out>
> sp = <optimized out>
> freesize = <optimized out>
> __PRETTY_FUNCTION__ = "start_thread"
> #17 0x00007f07ceec197d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>
> -- System Information:
> Debian Release: stretch/sid
> APT prefers unstable-debug
> APT policy: (500, 'unstable-debug'), (500, 'stable-updates'), (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental')
> Architecture: amd64 (x86_64)
>
> Kernel: Linux 4.3.0-1-amd64 (SMP w/8 CPU cores)
> Locale: LANG=POSIX, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
> Init: systemd (via /run/systemd/system)
>
> Versions of packages vlc depends on:
> ii dpkg 1.18.4
> ii fonts-freefont-ttf 20120503-4
> ii libaa1 1.4p5-44
> ii libavcodec-ffmpeg56 7:2.8.5-1+b1
> ii libavutil-ffmpeg54 7:2.8.5-1+b1
> ii libc6 2.21-7
> ii libcaca0 0.99.beta19-2+b1
> ii libcairo2 1.14.6-1
> ii libegl1-mesa [libegl1-x11] 11.1.1-2
> ii libfreerdp-client1.1 1.1.0~git20140921.1.440916e+dfsg1-5+b1
> ii libfreerdp-core1.1 1.1.0~git20140921.1.440916e+dfsg1-5+b1
> ii libfreerdp-gdi1.1 1.1.0~git20140921.1.440916e+dfsg1-5+b1
> ii libfreetype6 2.6.1-0.1
> ii libfribidi0 0.19.7-1
> ii libgcc1 1:5.3.1-7
> ii libgl1-mesa-glx [libgl1] 11.1.1-2
> ii libgles1-mesa [libgles1] 11.1.1-2
> ii libgles2-mesa [libgles2] 11.1.1-2
> ii libglib2.0-0 2.46.2-3
> ii libpulse0 7.1-2
> ii libqt5core5a 5.5.1+dfsg-13
> ii libqt5gui5 5.5.1+dfsg-13
> ii libqt5widgets5 5.5.1+dfsg-13
> ii libqt5x11extras5 5.5.1-3
> ii librsvg2-2 2.40.13-2
> ii libsdl-image1.2 1.2.12-5+b5
> ii libsdl1.2debian 1.2.15-12
> ii libstdc++6 5.3.1-7
> ii libva-drm1 1.6.2-1
> ii libva-x11-1 1.6.2-1
> ii libva1 1.6.2-1
> ii libvlccore8 2.2.2-1
> ii libvncclient1 0.9.10+dfsg-3+b1
> ii libx11-6 2:1.6.3-1
> ii libxcb-composite0 1.11.1-1
> ii libxcb-keysyms1 0.4.0-1
> ii libxcb-randr0 1.11.1-1
> ii libxcb-shm0 1.11.1-1
> ii libxcb-xv0 1.11.1-1
> ii libxcb1 1.11.1-1
> ii libxext6 2:1.3.3-1
> ii libxi6 2:1.7.6-1
> ii libxinerama1 2:1.1.3-1+b1
> ii libxpm4 1:3.5.11-1+b1
> ii vlc-nox 2.2.2-1
> ii zlib1g 1:1.2.8.dfsg-2+b1
>
> Versions of packages vlc recommends:
> ii vlc-plugin-notify 2.2.2-1
> ii vlc-plugin-samba 2.2.2-1
> ii xdg-utils 1.1.1-1
>
> vlc suggests no packages.
>
> Versions of packages vlc-nox depends on:
> ii dpkg 1.18.4
> ii liba52-0.7.4 0.7.4-18
> ii libasound2 1.1.0-1
> ii libass5 0.13.1-1
> ii libavahi-client3 0.6.32~rc+dfsg-1
> ii libavahi-common3 0.6.32~rc+dfsg-1
> ii libavc1394-0 0.5.4-2
> ii libavcodec-ffmpeg56 7:2.8.5-1+b1
> ii libavformat-ffmpeg56 7:2.8.5-1+b1
> ii libavutil-ffmpeg54 7:2.8.5-1+b1
> ii libbasicusageenvironment1 2016.01.29-2
> ii libbluray1 1:0.9.2-2
> ii libc6 2.21-7
> ii libcddb2 1.3.2-5
> ii libcdio13 0.83-4.2+b1
> ii libchromaprint0 1.2-2
> ii libcrystalhd3 1:0.0~git20110715.fdd2f19-11+b1
> ii libdbus-1-3 1.10.6-1
> ii libdc1394-22 2.2.3-1
> ii libdca0 0.0.5-7
> ii libdirectfb-1.2-9 1.2.10.0-5.1
> ii libdvbpsi10 1.3.0-4
> ii libdvdnav4 5.0.3-1
> ii libdvdread4 5.0.3-1
> ii libebml4v5 1.3.3-1
> ii libfaad2 2.8.0~cvs20150510-1
> ii libflac8 1.3.1-4
> ii libfontconfig1 2.11.0-6.3
> ii libfreetype6 2.6.1-0.1
> ii libfribidi0 0.19.7-1
> ii libgcc1 1:5.3.1-7
> ii libgcrypt20 1.6.4-5
> ii libgnutls30 3.4.8-3
> ii libgpg-error0 1.21-1
> ii libgroupsock8 2016.01.29-2
> ii libjpeg62-turbo 1:1.4.2-2
> ii libkate1 0.4.1-5
> ii liblircclient0 0.9.0~pre1-1.2
> ii liblivemedia50 2016.01.29-2
> ii liblua5.2-0 5.2.4-1
> ii libmad0 0.15.1b-8
> ii libmatroska6v5 1.4.4-1
> ii libmodplug1 1:0.8.8.5-2
> ii libmpcdec6 2:0.1~r475-1
> ii libmpeg2-4 0.5.1-7
> ii libmtp9 1.1.10-2
> ii libncursesw5 6.0+20151024-2
> ii libogg0 1.3.2-1
> ii libopus0 1.1.2-1
> ii libpng12-0 1.2.54-1
> ii libpostproc-ffmpeg53 7:2.8.5-1+b1
> ii libraw1394-11 2.1.1-2
> ii libresid-builder0c2a 2.1.1-14
> ii libsamplerate0 0.1.8-8
> ii libschroedinger-1.0-0 1.0.11-2.1
> ii libshine3 3.1.0-4
> ii libshout3 2.3.1-3
> ii libsidplay2 2.1.1-14
> ii libspeex1 1.2~rc1.2-1
> ii libspeexdsp1 1.2~rc1.2-1
> ii libssh2-1 1.5.0-2+b1
> ii libstdc++6 5.3.1-7
> ii libswscale-ffmpeg3 7:2.8.5-1+b1
> ii libtag1v5 1.9.1-2.4
> ii libtheora0 1.1.1+dfsg.1-7.1
> ii libtinfo5 6.0+20151024-2
> ii libtwolame0 0.3.13-1.2
> ii libudev1 228-4+b1
> ii libupnp6 1:1.6.19+git20160116-1
> ii libusageenvironment3 2016.01.29-2
> ii libvcdinfo0 0.7.24+dfsg-0.2
> ii libvlc5 2.2.2-1
> ii libvlccore8 2.2.2-1
> ii libvorbis0a 1.3.4-3
> ii libvorbisenc2 1.3.4-3
> ii libx264-148 2:0.148.2643+git5c65704-1
> ii libx265-68 1.8-6
> ii libxml2 2.9.3+dfsg1-1
> ii libzvbi0 0.2.35-10
> ii zlib1g 1:1.2.8.dfsg-2+b1
>
> Versions of packages vlc-nox suggests:
> pn libdvdcss2 <none>
>
> Versions of packages libvlc5 depends on:
> ii dpkg 1.18.4
> ii libc6 2.21-7
> ii libvlccore8 2.2.2-1
>
> Versions of packages libvlccore8 depends on:
> ii dpkg 1.18.4
> ii libc6 2.21-7
> ii libdbus-1-3 1.10.6-1
> ii libidn11 1.32-3
> ii libproxy-tools 0.4.11-4.2
> ii vlc-data 2.2.2-1
>
> Versions of packages vlc-plugin-notify depends on:
> ii dpkg 1.18.4
> ii libc6 2.21-7
> ii libgdk-pixbuf2.0-0 2.32.3-1.2
> ii libglib2.0-0 2.46.2-3
> ii libgtk2.0-0 2.24.29-1
> ii libnotify4 0.7.6-2
> ii libvlccore8 2.2.2-1
>
> -- no debconf information
--
Sebastian Ramacher
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