[Pkg-mpd-maintainers] Bug#704554: Info received (Bug#704554: mpd: crash when updating from large, varied collection)

[nick black]

with libav 9.5, we get the following output:

leman - riders on the storm:  the doors concerto - 09 - the end.mp3
Apr 22 17:00 : added jaz coleman/riders on the storm:  the doors
concerto/jaz coleman - riders on the storm:  the doors concerto - 08 -
strange days.mp3
Apr 22 17:02 : ffmpeg/flac: couldn't reallocate buffer of size 10687488
Apr 22 17:02 : ffmpeg/flac: couldn't reallocate buffer of size 10687488
Apr 22 17:02 : ffmpeg/flac: couldn't reallocate buffer of size 10687488
Apr 22 17:02 : ffmpeg/flac: couldn't reallocate buffer of size 10687488
Apr 22 17:02 : ffmpeg/flac: couldn't reallocate buffer of size 10687488

within valgrind --tool=memcheck, it got up to 12GB before i killed it.
here's our seemingly-irrelevant output:

[skynet](0) $ valgrind --tool=memcheck --trace-children=yes mpd --no-daemon
==29718== Memcheck, a memory error detector
==29718== Copyright (C) 2002-2012, and GNU GPL'd, by Julian Seward et al.
==29718== Using Valgrind-3.8.1 and LibVEX; rerun with -h for copyright info
==29718== Command: mpd --no-daemon
==29718== 
daemon: cannot init supplementary groups of user "dank": Operation not
permitted
^C


==29718== Invalid write of size 8
==29718==    at 0x8B72350: curl_multi_cleanup (in
/usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.3.0)
==29718==    by 0x440D2B: ??? (in /usr/bin/mpd)
==29718==    by 0x43FF08: ??? (in /usr/bin/mpd)
==29718==    by 0x425FB7: ??? (in /usr/bin/mpd)
==29718==    by 0xC33B6AC: (below main) (libc-start.c:227)
==29718==  Address 0x0 is not stack'd, malloc'd or (recently) free'd
==29718== 
==29718== 
==29718== Process terminating with default action of signal 11 (SIGSEGV)
==29718==  Access not within mapped region at address 0x0
==29718==    at 0x8B72350: curl_multi_cleanup (in
/usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.3.0)
==29718==    by 0x440D2B: ??? (in /usr/bin/mpd)
==29718==    by 0x43FF08: ??? (in /usr/bin/mpd)
==29718==    by 0x425FB7: ??? (in /usr/bin/mpd)
==29718==    by 0xC33B6AC: (below main) (libc-start.c:227)
==29718==  If you believe this happened as a result of a stack
==29718==  overflow in your program's main thread (unlikely but
==29718==  possible), you can try to increase the size of the
==29718==  main thread stack using the --main-stacksize= flag.
==29718==  The main thread stack size used in this run was 8388608.
==29718== 
==29718== HEAP SUMMARY:
==29718==     in use at exit: 11,127,029 bytes in 2,890 blocks
==29718==   total heap usage: 3,021,945 allocs, 3,019,055 frees,
60,612,742,457 bytes allocated
==29718== 
==29718== LEAK SUMMARY:
==29718==    definitely lost: 0 bytes in 0 blocks
==29718==    indirectly lost: 0 bytes in 0 blocks
==29718==      possibly lost: 46,060 bytes in 211 blocks
==29718==    still reachable: 11,080,969 bytes in 2,679 blocks
==29718==         suppressed: 0 bytes in 0 blocks
==29718== Rerun with --leak-check=full to see details of leaked memory
==29718== 
==29718== For counts of detected and suppressed errors, rerun with: -v
==29718== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 2 from 2)
Killed
[skynet](137) $ 

running with --verbose now...

-- 
nick black     http://www.sprezzatech.com -- unix and hpc consulting
to make an apple pie from scratch, you need first invent a universe.