ffmpeg crashed with SIGSEGV in eval_sse()

[Daniel Holbach]

Not exactly sure what happened.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: ffmpeg 4:0.7.2-1ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-4.10-generic 3.2.0-rc5
Uname: Linux 3.2.0-4-generic x86_64
ApportVersion: 1.90-0ubuntu1
Architecture: amd64
CheckboxSubmission: 2f383a1679e8525d7196eb2518a1921f
CheckboxSystem: bb422ca46d02494cdbc459927a98bc2f
CrashCounter: 1
Date: Sat Dec 10 00:43:12 2011
ExecutablePath: /usr/bin/ffmpeg
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110817)
ProcCmdline: ffmpeg -v 0 -i inputfile.m4p -f s16le -ar 44100 -
SegvAnalysis:
 Segfault happened at: 0x7fccbf86a37a <av_resample+346>: mov %ax,0x0(%rbp)
 PC (0x7fccbf86a37a) ok
 source "%ax" ok
 destination "0x0(%rbp)" (0x00010860) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: libav
StacktraceTop:
 av_resample () from /usr/lib/libavcodec.so.53
 audio_resample () from /usr/lib/libavcodec.so.53
 ?? ()
 ?? ()
 ?? ()
Title: ffmpeg crashed with SIGSEGV in av_resample()
UpgradeStatus: Upgraded to precise on 2011-12-02 (11 days ago)
UserGroups: adm admin audio cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 eval_sse (count=2, b=<optimized out>, a=0x7fff12432f11 "") at /build/buildd/libav-0.7.2/libavcodec/roqvideoenc.c:120
 squared_diff_macroblock (b=<optimized out>, size=2, a=0x7fff12432f10 "\001") at /build/buildd/libav-0.7.2/libavcodec/roqvideoenc.c:176
 index_mb (dim=2, outIndex=<optimized out>, numCB=-6425, cb=0x3ff0000000000000 <Address 0x3ff0000000000000 out of bounds>, cluster=0x7fff12432f08 "\002") at /build/buildd/libav-0.7.2/libavcodec/roqvideoenc.c:285
 generate_new_codebooks (tempData=0x1713ef4, enc=0x18085e0) at /build/buildd/libav-0.7.2/libavcodec/roqvideoenc.c:867
 roq_encode_video (enc=0x18085e0) at /build/buildd/libav-0.7.2/libavcodec/roqvideoenc.c:890

[Reinhard Tartler (siretart)]

would it be possible to provide the video file that caused this crash?

[Daniel Holbach (dholbach)]

No, I'm afraid, I can't remember which file caused the crash.

[Launchpad Janitor (janitor)]

[Expired for libav (Ubuntu) because there has been no activity for 60 days.]