Public bug reported:
Host: Ubuntu 15.10
lxc: 1.1.5-0ubuntu0.15.10.3
cgmanager: 0.39-2ubuntu2
Container: Ubuntu 15.10
Got the following trace in syslog. Please let me know what other
information will be useful for troubleshooting.
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: *** buffer overflow detected
***: /sbin/cgmanager terminated
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: ======= Backtrace: =========
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]:
/lib/x86_64-linux-gnu/libc.so.6(+0x78c4e)[0x7f1929550c4e]
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]:
/lib/x86_64-linux-gnu/libc.so.6(__fortify_fail+0x5c)[0x7f19295f0e8c]
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]:
/lib/x86_64-linux-gnu/libc.so.6(+0x116e80)[0x7f19295eee80]
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]:
/lib/x86_64-linux-gnu/libc.so.6(+0x118dd7)[0x7f19295f0dd7]
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]:
/lib/x86_64-linux-gnu/libnih.so.1(nih_io_handle_fds+0xad)[0x7f1929d01b3d]
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]:
/lib/x86_64-linux-gnu/libnih.so.1(nih_main_loop+0x13f)[0x7f1929d05faf]
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]:
/sbin/cgmanager(+0x5145)[0x562d8fc75145]
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]:
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0)[0x7f19294f8a40]
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]:
/sbin/cgmanager(+0x53d9)[0x562d8fc753d9]
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: ======= Memory map: ========
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 562d8fc70000-562d8fc92000
r-xp 00000000 ca:01 12884 /sbin/cgmanager
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 562d8fe92000-562d8fe94000
r--p 00022000 ca:01 12884 /sbin/cgmanager
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 562d8fe94000-562d8fe95000
rw-p 00024000 ca:01 12884 /sbin/cgmanager
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 562d915f8000-562d92030000
rw-p 00000000 00:00 0 [heap]
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1927d44000-7f1927d5a000
r-xp 00000000 ca:01 395872
/lib/x86_64-linux-gnu/libgcc_s.so.1
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1927d5a000-7f1927f59000
---p 00016000 ca:01 395872
/lib/x86_64-linux-gnu/libgcc_s.so.1
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1927f59000-7f1927f5a000
r--p 00015000 ca:01 395872
/lib/x86_64-linux-gnu/libgcc_s.so.1
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1927f5a000-7f1927f5b000
rw-p 00016000 ca:01 395872
/lib/x86_64-linux-gnu/libgcc_s.so.1
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1927f5b000-7f1927f67000
r-xp 00000000 ca:01 403839
/lib/x86_64-linux-gnu/libnss_files-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1927f67000-7f1928166000
---p 0000c000 ca:01 403839
/lib/x86_64-linux-gnu/libnss_files-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1928166000-7f1928167000
r--p 0000b000 ca:01 403839
/lib/x86_64-linux-gnu/libnss_files-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1928167000-7f1928168000
rw-p 0000c000 ca:01 403839
/lib/x86_64-linux-gnu/libnss_files-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1928168000-7f1928173000
r-xp 00000000 ca:01 403823
/lib/x86_64-linux-gnu/libnss_nis-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1928173000-7f1928372000
---p 0000b000 ca:01 403823
/lib/x86_64-linux-gnu/libnss_nis-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1928372000-7f1928373000
r--p 0000a000 ca:01 403823
/lib/x86_64-linux-gnu/libnss_nis-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1928373000-7f1928374000
rw-p 0000b000 ca:01 403823
/lib/x86_64-linux-gnu/libnss_nis-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1928374000-7f192838b000
r-xp 00000000 ca:01 403845
/lib/x86_64-linux-gnu/libnsl-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f192838b000-7f192858a000
---p 00017000 ca:01 403845
/lib/x86_64-linux-gnu/libnsl-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f192858a000-7f192858b000
r--p 00016000 ca:01 403845
/lib/x86_64-linux-gnu/libnsl-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f192858b000-7f192858c000
rw-p 00017000 ca:01 403845
/lib/x86_64-linux-gnu/libnsl-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f192858c000-7f192858e000
rw-p 00000000 00:00 0
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f192858e000-7f1928596000
r-xp 00000000 ca:01 403841
/lib/x86_64-linux-gnu/libnss_compat-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1928596000-7f1928795000
---p 00008000 ca:01 403841
/lib/x86_64-linux-gnu/libnss_compat-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1928795000-7f1928796000
r--p 00007000 ca:01 403841
/lib/x86_64-linux-gnu/libnss_compat-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1928796000-7f1928797000
rw-p 00008000 ca:01 403841
/lib/x86_64-linux-gnu/libnss_compat-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1928797000-7f19287a9000
r-xp 00000000 ca:01 394903
/lib/x86_64-linux-gnu/libgpg-error.so.0.15.0
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f19287a9000-7f19289a8000
---p 00012000 ca:01 394903
/lib/x86_64-linux-gnu/libgpg-error.so.0.15.0
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f19289a8000-7f19289a9000
r--p 00011000 ca:01 394903
/lib/x86_64-linux-gnu/libgpg-error.so.0.15.0
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f19289a9000-7f19289aa000
rw-p 00012000 ca:01 394903
/lib/x86_64-linux-gnu/libgpg-error.so.0.15.0
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f19289aa000-7f19289ad000
r-xp 00000000 ca:01 403830
/lib/x86_64-linux-gnu/libdl-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f19289ad000-7f1928bac000
---p 00003000 ca:01 403830
/lib/x86_64-linux-gnu/libdl-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1928bac000-7f1928bad000
r--p 00002000 ca:01 403830
/lib/x86_64-linux-gnu/libdl-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1928bad000-7f1928bae000
rw-p 00003000 ca:01 403830
/lib/x86_64-linux-gnu/libdl-2.21.so
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1928bae000-7f1928c86000
r-xp 00000000 ca:01 394902
/lib/x86_64-linux-gnu/libgcrypt.so.20.0.3
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1928c86000-7f1928e86000
---p 000d8000 ca:01 394902
/lib/x86_64-linux-gnu/libgcrypt.so.20.0.3
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1928e86000-7f1928e87000
r--p 000d8000 ca:01 394902
/lib/x86_64-linux-gnu/libgcrypt.so.20.0.3
Jan 8 19:29:24 ip-10-169-249-164 cgmanager[7725]: 7f1928e87000-7f1928e90000
rw-p 000d9000 ca:01 394902
/lib/x86_64-linux-gnu/libgcrypt.so.20.0.3
[snip]
Jan 8 19:29:24 ip-10-169-249-164 systemd[1]: cgmanager.service: Main process
exited, code=dumped, status=6/ABRT
Jan 8 19:29:24 ip-10-169-249-164 systemd[1]: cgmanager.service: Unit entered
failed state.
Jan 8 19:29:24 ip-10-169-249-164 systemd[1]: cgmanager.service: Failed with
result 'core-dump'.
** Affects: lxc (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1532314
Title:
Buffer overflow in cgmanager
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