Your message dated Fri, 19 Sep 2025 23:22:00 +0200
with message-id <[email protected]>
and subject line iceweasel has been superseded by firefox-esr
has caused the Debian Bug report #799632,
regarding iceweasel: SIGSEGV when playing videos via gstreamer
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
799632: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=799632
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: iceweasel
Version: 38.2.1esr-1~deb8u1
Severity: important

Approximately once every 10 hours of use, I experience a crash of Iceweasel. It seems to be correlated with playing videos via gstreamer with the libav/ffmpeg backend, but I have not yet found any reliable way to reproduce it.

I have observed similar crashes like this on other Debian systems with earlier versions of Iceweasel, but I cannot tell if it is the same bug because I did not have a debugger running.

Please see the full backtrace below. At a first glance, the problem seems to be in the GST_VIDEO_FRAME_COMP_DATA macro which ultimately calls GST_VIDEO_FORMAT_INFO_DATA (defined in the gstreamer headers), which in turn dereferences frame->info->finfo. According to #1 in the backtrace, finfo is NULL, so I think this is what causes the crash.

(gdb) bt f
#0  0x00007ffff23cbd66 in mozilla::GStreamerReader::ImageDataFromVideoFrame
(this=this@entry=0x7fff849dc800, aFrame=aFrame@entry=0x7fffd57bc840,
aData=aData@entry=0x7fffd57bc7f0) at
/tmp/buildd/iceweasel-38.2.1esr/dom/media/gstreamer/GStreamerReader.cpp:1440
No locals.
#1  0x00007ffff23cc2cf in mozilla::GStreamerReader::GetImageFromBuffer
(this=this@entry=0x7fff849dc800, aBuffer=aBuffer@entry=0x7fff87e803d0) at
/tmp/buildd/iceweasel-38.2.1esr/dom/media/gstreamer/GStreamerReader.cpp:1466
        frame = {info = {finfo = 0x0, interlace_mode =
GST_VIDEO_INTERLACE_MODE_PROGRESSIVE, flags = GST_VIDEO_FLAG_NONE, width = 0, height = 0, size = 0, views = 0, chroma_site = GST_VIDEO_CHROMA_SITE_UNKNOWN,
colorimetry = {range = GST_VIDEO_COLOR_RANGE_UNKNOWN, matrix =
GST_VIDEO_COLOR_MATRIX_UNKNOWN, transfer = GST_VIDEO_TRANSFER_UNKNOWN,
primaries = GST_VIDEO_COLOR_PRIMARIES_UNKNOWN}, par_n = 0, par_d = 0, fps_n =
0, fps_d = 0, offset = {0, 0, 0, 0}, stride = {0, 0, 0, 0}, _gst_reserved =
{0x0, 0x0, 0x0, 0x0}}, flags = GST_VIDEO_FRAME_FLAG_NONE, buffer = 0x0, meta =
0x0, id = 0, data = {0x0, 0x0, 0x0, 0x0}, map = {{memory = 0x0, flags =
(unknown: 0), data = 0x0, size = 0, maxsize = 0, user_data = {0x0, 0x0, 0x0,
0x0}, _gst_reserved = {0x0, 0x0, 0x0, 0x0}}, {memory = 0x0, flags = (unknown:
0), data = 0x0, size = 0, maxsize = 0, user_data = {0x0, 0x0, 0x0, 0x0},
_gst_reserved = {0x0, 0x0, 0x0, 0x0}}, {memory = 0x0, flags = (unknown: 0),
data = 0x0, size = 0, maxsize = 0, user_data = {0x0, 0x0, 0x0, 0x0},
_gst_reserved = {0x0, 0x0, 0x0, 0x0}}, {memory = 0x0, flags = (unknown: 0),
data = 0x0, size = 0, maxsize = 0, user_data = {0x0, 0x0, 0x0, 0x0},
_gst_reserved = {0x0, 0x0, 0x0, 0x0}}}, _gst_reserved = {0x0, 0x0, 0x0, 0x0}}
        data = {mYChannel = 0x0, mYStride = 0, mYSize =
{<mozilla::gfx::BaseSize<int,
mozilla::gfx::IntSizeTyped<mozilla::gfx::UnknownUnits> >> = {width = 0, height
= 0}, <mozilla::gfx::UnknownUnits> = {<No data fields>}, <No data fields>},
mYSkip = 0, mCbChannel = 0x0, mCrChannel = 0x0, mCbCrStride = 0, mCbCrSize =
{<mozilla::gfx::BaseSize<int,
mozilla::gfx::IntSizeTyped<mozilla::gfx::UnknownUnits> >> = {width = 0, height
= 0}, <mozilla::gfx::UnknownUnits> = {<No data fields>}, <No data fields>},
mCbSkip = 0, mCrSkip = 0, mPicX = 0, mPicY = 0, mPicSize =
{<mozilla::gfx::BaseSize<int,
mozilla::gfx::IntSizeTyped<mozilla::gfx::UnknownUnits> >> = {width = 0, height
= 0}, <mozilla::gfx::UnknownUnits> = {<No data fields>}, <No data fields>},
mStereoMode = mozilla::StereoMode::MONO}
        mem = <optimized out>
        image = {mRawPtr = 0x7fffc194f970}
#2  0x00007ffff23cc6c5 in mozilla::GStreamerReader::DecodeVideoFrame
(this=0x7fff849dc800, aKeyFrameSkip=<optimized out>, aTimeThreshold=<optimized
out>) at
/tmp/buildd/iceweasel-38.2.1esr/dom/media/gstreamer/GStreamerReader.cpp:824
        buffer = 0x7fff87e803d0
        isKeyframe = true
        duration = 41708
        image = {mRawPtr = 0x7fffc194f970}
        video = {mRawPtr = 0xa8}
        timestamp = 41000
        offset = <optimized out>
#3  0x00007ffff2351778 in mozilla::MediaDecoderReader::RequestVideoData
(this=0x7fff849dc800, aSkipToNextKeyframe=<optimized out>, aTimeThreshold=0) at
/tmp/buildd/iceweasel-38.2.1esr/dom/media/MediaDecoderReader.cpp:245
        p = {mRawPtr = 0x7fffad2b4ba0}
        __func__ = "RequestVideoData"
        skip = false
#4  0x00007ffff232d12d in
mozilla::detail::MethodCallWithTwoArgs<mozilla::MediaPromise<nsRefPtr<mozilla::VideoData>,
mozilla::MediaDecoderReader::NotDecodedReason, true>,
mozilla::MediaDecoderReader, bool, long>::Invoke (this=<optimized out>) at
/tmp/buildd/iceweasel-38.2.1esr/dom/media/MediaPromise.h:603
No locals.
#5  0x00007ffff2353aee in
mozilla::detail::ProxyRunnable<mozilla::MediaPromise<nsRefPtr<mozilla::VideoData>,
mozilla::MediaDecoderReader::NotDecodedReason, true> >::Run
(this=0x7fffcb8c37a0) at
/tmp/buildd/iceweasel-38.2.1esr/dom/media/MediaPromise.h:620
        p = {mRawPtr = 0x7fffad2b4ba0}
#6  0x00007ffff23501ca in mozilla::MediaTaskQueue::Runner::Run
(this=0x7fffcb88fea0) at
/tmp/buildd/iceweasel-38.2.1esr/dom/media/MediaTaskQueue.cpp:230
        event = {mPtr = 0x7fffcb8c37a0}
        __func__ = "Run"
#7  0x00007ffff1683e51 in nsThreadPool::Run (this=0x7fffb0183900) at
/tmp/buildd/iceweasel-38.2.1esr/xpcom/threads/nsThreadPool.cpp:225
        event = {<nsCOMPtr_base> = {mRawPtr = 0x7fffcb88fea0}, <No data
fields>}
        current = {<nsCOMPtr_base> = {mRawPtr = 0x7fffb723b3a0}, <No data
fields>}
        exitThread = false
        wasIdle = false
        listener = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
        shutdownThreadOnExit = false
        idleSince = 901650319
#8  0x00007ffff1681a61 in nsThread::ProcessNextEvent (this=0x7fffb723b3a0,
aMayWait=<optimized out>, aResult=0x7fffd57bcdf7) at
/tmp/buildd/iceweasel-38.2.1esr/xpcom/threads/nsThread.cpp:855
        event = {<nsCOMPtr_base> = {mRawPtr = 0x7fffb0183908}, <No data
fields>}
        reallyWait = <optimized out>
        notifyMainThreadObserver = <optimized out>
        obs = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
        rv = nsresult::NS_OK
#9  0x00007ffff1696e41 in NS_ProcessNextEvent (aThread=<optimized out>,
aMayWait=aMayWait@entry=false) at
/tmp/buildd/iceweasel-38.2.1esr/xpcom/glue/nsThreadUtils.cpp:265
        val = true
#10 0x00007ffff184e7ea in mozilla::ipc::MessagePumpForNonMainThreads::Run
(this=0x7fffc0434300, aDelegate=0x7fff6fbf2420) at
/tmp/buildd/iceweasel-38.2.1esr/ipc/glue/MessagePump.cpp:339
        didWork = <optimized out>
#11 0x00007ffff1843249 in MessageLoop::RunHandler (this=0x7fff6fbf2420) at
/tmp/buildd/iceweasel-38.2.1esr/ipc/chromium/src/base/message_loop.cc:226
No locals.
#12 MessageLoop::Run (this=this@entry=0x7fff6fbf2420) at
/tmp/buildd/iceweasel-38.2.1esr/ipc/chromium/src/base/message_loop.cc:200
save_state = {<MessageLoop::RunState> = {run_depth = 1, quit_received =
false}, loop_ = 0x7fff6fbf2420, previous_state_ = 0x0}
#13 0x00007ffff16860bb in nsThread::ThreadFunc (aArg=0x7fffb723b3a0) at
/tmp/buildd/iceweasel-38.2.1esr/xpcom/threads/nsThread.cpp:356
        self = 0x7fffb723b3a0
        event = {<nsCOMPtr_base> = {mRawPtr = 0x0}, <No data fields>}
#14 0x00007ffff68e9f68 in _pt_root (arg=0x7fff7599d6a0) at
/tmp/buildd/iceweasel-38.2.1esr/nsprpub/pr/src/pthreads/ptthread.c:212
        rv = <optimized out>
        thred = 0x7fff7599d6a0
        detached = 0
        id = 140736775051008
        tid = 28672
#15 0x00007ffff7bc70a4 in start_thread (arg=0x7fffd57bd700) at
pthread_create.c:309
        __res = <optimized out>
        pd = 0x7fffd57bd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736775051008,
-4317695908176455277, 0, 140737354125408, 140735166404256, 140736775051008,
4317787131666504083, 4317712938009237907}, 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"
#16 0x00007ffff707c06d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
(gdb)



-- Package-specific info:

-- Extensions information
Name: Adblock Plus
Location: /usr/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}/{d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}
Package: xul-ext-adblock-plus
Status: enabled

Name: British English Dictionary (Updated) dictionary
Location: ${PROFILE_EXTENSIONS}/[email protected]
Status: enabled

Name: Default theme
Location: /usr/lib/iceweasel/browser/extensions/{972ce4c6-7e08-4474-a285-3208198ce6fd}
Package: iceweasel
Status: enabled

Name: Deutsch (DE) Language Pack locale
Location: /usr/lib/iceweasel/browser/extensions/[email protected]
Package: iceweasel-l10n-de
Status: enabled

Name: NoScript
Location: /usr/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}/{73a6fe31-595d-460b-a920-fcc0f8843232}
Package: xul-ext-noscript
Status: enabled

Name: User Agent Switcher
Location: ${PROFILE_EXTENSIONS}/{e968fc70-8f95-4ab9-9e79-304de2a71ee1}.xpi
Status: enabled

-- Plugins information
Name: Google Talk Plugin
Location: /opt/google/talkplugin/libnpgoogletalk.so
Package: google-talkplugin
Status: enabled

Name: Google Talk Plugin Video Renderer
Location: /opt/google/talkplugin/libnpo1d.so
Package: google-talkplugin
Status: enabled


-- Addons package information
ii  google-talkplu 5.41.0.0-1   amd64        Google Talk Plugin
ii  iceweasel      38.2.1esr-1~ amd64        Web browser based on Firefox
ii iceweasel-l10n 1:38.2.1esr- all German language package for Icewe ii xul-ext-adbloc 2.6.10+dfsg- all advertisement blocking extension ii xul-ext-noscri 2.6.9.36-1 all permissions manager for Iceweasel

-- System Information:
Debian Release: stretch/sid
  APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'testing'), (500, 'stable'), (450, 'oldstable'), (400, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.1.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages iceweasel depends on:
ii  debianutils               4.5.1
ii  fontconfig                2.11.0-6.3
ii  libasound2                1.0.29-1
ii  libatk1.0-0               2.16.0-2
ii  libc6                     2.19-20
ii  libcairo2                 1.14.2-2
ii  libdbus-1-3               1.10.0-2
ii  libdbus-glib-1-2          0.102-1
ii  libevent-2.0-5            2.0.21-stable-2
ii  libffi6                   3.2.1-3
ii  libfontconfig1            2.11.0-6.3
ii  libfreetype6              2.6-1
ii  libgcc1                   1:5.2.1-17
ii  libgdk-pixbuf2.0-0        2.31.5-1
ii  libglib2.0-0              2.44.1-1.1
ii  libgtk2.0-0               2.24.28-1
ii  libhunspell-1.3-0         1.3.3-3+b1
ii  libpango-1.0-0            1.36.8-3
ii  libsqlite3-0              3.8.11.1-1
ii  libstartup-notification0  0.12-4
ii  libstdc++6                5.2.1-17
ii  libx11-6                  2:1.6.3-1
ii  libxcomposite1            1:0.4.4-1
ii  libxdamage1               1:1.1.4-2+b1
ii  libxext6                  2:1.3.3-1
ii  libxfixes3                1:5.0.1-2+b2
ii  libxrender1               1:0.9.8-1+b1
ii  libxt6                    1:1.1.4-1+b1
ii  procps                    2:3.3.10-2
ii  zlib1g                    1:1.2.8.dfsg-2+b1

Versions of packages iceweasel recommends:
ii  gstreamer1.0-libav         1.4.5-3
ii  gstreamer1.0-plugins-good  1.4.5-2+b2

Versions of packages iceweasel suggests:
ii  fonts-mathjax          2.5.3-1
ii  fonts-oflb-asana-math  000.907-6
ii  fonts-stix [otf-stix]  1.1.1-3
ii  libcanberra0           0.30-2.1
ii  libgnomeui-0           2.24.5-3
ii  libgssapi-krb5-2       1.13.2+dfsg-2
pn  mozplugger             <none>

-- Configuration Files:
/etc/iceweasel/iceweaselrc a7f1bcffd6febdb02e86652a60ebfd16 [Errno 2] Datei oder Verzeichnis nicht gefunden: u'/etc/iceweasel/iceweaselrc a7f1bcffd6febdb02e86652a60ebfd16'

-- no debconf information

--- End Message ---
--- Begin Message ---
Version: 115.12.0esr-1+rm

src:iceweasel has been superseded by src:firefox-esr in version 45.0esr-1 in March 2016. Transitional packages to ease upgrades were provided in the wheezy, jessie, stretch and buster releases. The transitional packages have been removed finally before the bullseye release in August 2021. After regular security support for buster ended in August 2022 and LTS support ended in June 2024, I'm closing the remaining bug reports now.

Andreas

--- End Message ---

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