[LAU] Aliki crashes with buffer overflow

[Christoph Kuhr]

Heres the backtrace


*** buffer overflow detected ***: aliki terminated
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(__fortify_fail+0x37)[0x7f44bc57d007]
/lib/x86_64-linux-gnu/libc.so.6(+0x107f00)[0x7f44bc57bf00]
/lib/x86_64-linux-gnu/libc.so.6(+0x1075eb)[0x7f44bc57b5eb]
/lib/x86_64-linux-gnu/libc.so.6(__snprintf_chk+0x78)[0x7f44bc57b4c8]
aliki[0x40e29c]
aliki[0x4115cb]
aliki[0x411d22]
/usr/lib/libclxclient.so.3(_ZN9X_rootwin12handle_eventEP7_XEvent+0x33)[0x7f44bdf85c23]
/usr/lib/libclxclient.so.3(_ZN9X_rootwin12handle_eventEv+0x34)[0x7f44bdf85c74]
aliki[0x40572c]
aliki[0x405817]
aliki[0x404bdb]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed)[0x7f44bc49576d]
aliki[0x404dd1]
======= Memory map: ========
00400000-00425000 r-xp 00000000 08:12 4081672
 /usr/bin/aliki
00625000-00626000 r--p 00025000 08:12 4081672
 /usr/bin/aliki
00626000-00627000 rw-p 00026000 08:12 4081672
 /usr/bin/aliki
00627000-00628000 rw-p 00000000 00:00 0
01635000-01723000 rw-p 00000000 00:00 0
 [heap]
7f44ba29e000-7f44ba29f000 rw-p 00000000 00:00 0
7f44ba29f000-7f44ba2a0000 rw-s 00000000 00:12 18307
 /run/shm/aliki-7564
7f44ba2a0000-7f44ba2a1000 ---p 00000000 00:00 0
7f44ba2a1000-7f44ba2b1000 rw-p 00000000 00:00 0
7f44ba2b1000-7f44ba2b2000 ---p 00000000 00:00 0
7f44ba2b2000-7f44ba2c2000 rw-p 00000000 00:00 0
7f44ba2c2000-7f44ba372000 r--p 00000000 08:12 5114357
 /usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf
7f44ba372000-7f44ba38b000 r--p 00000000 08:12 5114574
 /usr/share/fonts/type1/gsfonts/n021003l.pfb
7f44ba38b000-7f44ba38f000 r--s 00000000 08:12 2883679
 /var/cache/fontconfig/5e10083637a12ecd1bff191eb66bfa2f-le64.cache-3
7f44ba38f000-7f44ba390000 r--s 00000000 08:12 2893459
 /var/cache/fontconfig/c05880de57d1f5e948fdfacc138775d9-le64.cache-3
7f44ba390000-7f44ba394000 r--s 00000000 08:12 2883682
 /var/cache/fontconfig/603b2eb47209ddb3c5269b217a306167-le64.cache-3
7f44ba394000-7f44ba39d000 r--s 00000000 08:12 2883696
 /var/cache/fontconfig/945677eb7aeaf62f1d50efc3fb3ec7d8-le64.cache-3
7f44ba39d000-7f44ba39f000 r--s 00000000 08:12 2883697
 /var/cache/fontconfig/99e8ed0e538f840c565b6ed5dad60d56-le64.cache-3
7f44ba39f000-7f44ba3a0000 r--s 00000000 08:12 2883649
 /var/cache/fontconfig/0fafd173547752dce4dee1a69e0b3c95-le64.cache-3
7f44ba3a0000-7f44ba3a8000 r--s 00000000 08:12 2883700
 /var/cache/fontconfig/a6d8cf8e4ec09cdbc8633c31745a07dd-le64.cache-3
7f44ba3a8000-7f44ba3ac000 r--s 00000000 08:12 2883657
 /var/cache/fontconfig/2cd17615ca594fa2959ae173292e504c-le64.cache-3
7f44ba3ac000-7f44ba3b3000 r--s 00000000 08:12 2883710
 /var/cache/fontconfig/bddabcf04192498a6a74911686fc6962-le64.cache-3
7f44ba3b3000-7f44ba3b7000 r--s 00000000 08:12 2883698
 /var/cache/fontconfig/a46337af8a0b4c9b317ad981ec3bdf87-le64.cache-3
7f44ba3b7000-7f44ba3b8000 r--s 00000000 08:12 2883689
 /var/cache/fontconfig/79b7902a698c37d747b157374a08587f-le64.cache-3
7f44ba3b8000-7f44ba3ba000 r--s 00000000 08:12 2883656
 /var/cache/fontconfig/1b70ff56935fd37e75520e134628df26-le64.cache-3
7f44ba3ba000-7f44ba3c1000 r--s 00000000 08:12 2883663
 /var/cache/fontconfig/3fdcac6013931cd7c06449c5f8fab136-le64.cache-3
7f44ba3c1000-7f44ba3c2000 r--s 00000000 08:12 2883687
 /var/cache/fontconfig/6edd069ccec3ba28096b368c434fa861-le64.cache-3
7f44ba3c2000-7f44ba3c3000 r--s 00000000 08:12 2883685
 /var/cache/fontconfig/6ab961c03ae23c8941a006873b54e00a-le64.cache-3
7f44ba3c3000-7f44ba3c4000 r--s 00000000 08:12 2883702
 /var/cache/fontconfig/acf24f57989d82ed5c91b60ef9c3a050-le64.cache-3
7f44ba3c4000-7f44ba3c5000 r--s 00000000 08:12 2883722
 /var/cache/fontconfig/e7071f4a29fa870f4323321c154eba04-le64.cache-3
7f44ba3c5000-7f44ba3cb000 r--s 00000000 08:12 2883701
 /var/cache/fontconfig/a755afe4a08bf5b97852ceb7400b47bc-le64.cache-3
7f44ba3cb000-7f44ba3e1000 r-xp 00000000 08:12 2363053
 /lib/x86_64-linux-gnu/libz.so.1.2.3.4
7f44ba3e1000-7f44ba5e0000 ---p 00016000 08:12 2363053
 /lib/x86_64-linux-gnu/libz.so.1.2.3.4
7f44ba5e0000-7f44ba5e1000 r--p 00015000 08:12 2363053
 /lib/x86_64-linux-gnu/libz.so.1.2.3.4
7f44ba5e1000-7f44ba5e2000 rw-p 00016000 08:12 2363053
 /lib/x86_64-linux-gnu/libz.so.1.2.3.4
7f44ba5e2000-7f44ba609000 r-xp 00000000 08:12 2360187
 /lib/x86_64-linux-gnu/libexpat.so.1.5.2
7f44ba609000-7f44ba809000 ---p 00027000 08:12 2360187
 /lib/x86_64-linux-gnu/libexpat.so.1.5.2
7f44ba809000-7f44ba80b000 r--p 00027000 08:12 2360187
 /lib/x86_64-linux-gnu/libexpat.so.1.5.2
7f44ba80b000-7f44ba80c000 rw-p 00029000 08:12 2360187
 /lib/x86_64-linux-gnu/libexpat.so.1.5.2
7f44ba80c000-7f44ba811000 r-xp 00000000 08:12 4071570
 /usr/lib/x86_64-linux-gnu/libXdmcp.so.6.0.0
7f44ba811000-7f44baa10000 ---p 00005000 08:12 4071570
 /usr/lib/x86_64-linux-gnu/libXdmcp.so.6.0.0
7f44baa10000-7f44baa11000 r--p 00004000 08:12 4071570
 /usr/lib/x86_64-linux-gnu/libXdmcp.so.6.0.0
7f44baa11000-7f44baa12000 rw-p 00005000 08:12 4071570
 /usr/lib/x86_64-linux-gnu/libXdmcp.so.6.0.0
7f44baa12000-7f44baa14000 r-xp 00000000 08:12 4071559
 /usr/lib/x86_64-linux-gnu/libXau.so.6.0.0
7f44baa14000-7f44bac13000 ---p 00002000 08:12 4071559
 /usr/lib/x86_64-linux-gnu/libXau.so.6.0.0Abgebrochen (Speicherabzug
geschrieben)


On 09.10.2012 20:35, Christoph Kuhr wrote:
> Hi list,
> 
> when i want to load a sweep file, i previously created, alike crashes
> with a buffer overflow.
> 
> has anyone an idea whats the cause?
> 
> regards
> Ck
>