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Bug#754594: vlock: non-existent plugin -> *** buffer overflow detected ***



Package: vlock
Version: 2.2.2-4

vlock doesn't seem to be happy when you pass it a non-existent plugin name:

$ vlock foo
*** buffer overflow detected ***: /usr/sbin/vlock-main terminated
======= Backtrace: =========
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0x6d0f3)[0xf761c0f3]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(__fortify_fail+0x45)[0xf76a9c95]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0xf8d4a)[0xf76a7d4a]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0xfabaa)[0xf76a9baa]
/usr/sbin/vlock-main(create_child+0x160)[0x804b690]
/usr/sbin/vlock-main[0x804bc96]
/usr/sbin/vlock-main[0x804bfd0]
/usr/sbin/vlock-main(new_plugin+0x79)[0x804b159]
/usr/sbin/vlock-main[0x804ab79]
/usr/sbin/vlock-main(load_plugin+0x29)[0x804abd9]
/usr/sbin/vlock-main(main+0x11c)[0x80499ec]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(__libc_start_main+0xf3)[0xf75c8a63]
/usr/sbin/vlock-main[0x8049cf5]
======= Memory map: ========
08048000-0804f000 r-xp 00000000 fd:00 5113138                            /usr/sbin/vlock-main
0804f000-08050000 r--p 00006000 fd:00 5113138                            /usr/sbin/vlock-main
08050000-08051000 rw-p 00007000 fd:00 5113138                            /usr/sbin/vlock-main
09af4000-09b15000 rw-p 00000000 00:00 0                                  [heap]
f7518000-f7534000 r-xp 00000000 fd:00 6553842                            /lib/i386-linux-gnu/libgcc_s.so.1
f7534000-f7535000 rw-p 0001b000 fd:00 6553842                            /lib/i386-linux-gnu/libgcc_s.so.1
f754c000-f7557000 r-xp 00000000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7557000-f7558000 r--p 0000a000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7558000-f7559000 rw-p 0000b000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7559000-f7563000 r-xp 00000000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7563000-f7564000 r--p 00009000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7564000-f7565000 rw-p 0000a000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7565000-f757a000 r-xp 00000000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757a000-f757b000 r--p 00015000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757b000-f757c000 rw-p 00016000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757c000-f757e000 rw-p 00000000 00:00 0 f757e000-f7585000 r-xp 00000000 fd:00 6554186 /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7585000-f7586000 r--p 00006000 fd:00 6554186                            /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7586000-f7587000 rw-p 00007000 fd:00 6554186                            /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7587000-f7588000 rw-p 00000000 00:00 0 f7588000-f75a2000 r-xp 00000000 fd:00 6553640 /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a2000-f75a4000 r--p 00019000 fd:00 6553640                            /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a4000-f75a5000 rw-p 0001b000 fd:00 6553640                            /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a5000-f75af000 rw-p 00000000 00:00 0 f75af000-f7754000 r-xp 00000000 fd:00 6554217 /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7754000-f7756000 r--p 001a5000 fd:00 6554217                            /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7756000-f7757000 rw-p 001a7000 fd:00 6554217                            /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7757000-f775b000 rw-p 00000000 00:00 0 f775b000-f7768000 r-xp 00000000 fd:00 6553734 /lib/i386-linux-gnu/libpam.so.0.83.1
f7768000-f7769000 r--p 0000c000 fd:00 6553734                            /lib/i386-linux-gnu/libpam.so.0.83.1
f7769000-f776a000 rw-p 0000d000 fd:00 6553734                            /lib/i386-linux-gnu/libpam.so.0.83.1
f776a000-f776d000 r-xp 00000000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f776d000-f776e000 r--p 00002000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f776e000-f776f000 rw-p 00003000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f7785000-f7786000 rw-p 00000000 00:00 0 f7786000-f7788000 rw-p 00000000 00:00 0 f7788000-f7789000 r-xp 00000000 00:00 0 [vdso]
f7789000-f77a8000 r-xp 00000000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
f77a8000-f77a9000 r--p 0001f000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
f77a9000-f77aa000 rw-p 00020000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
ffea2000-ffec3000 rw-p 00000000 00:00 0                                  [stack]
*** buffer overflow detected ***: /usr/sbin/vlock-main terminated
======= Backtrace: =========
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0x6d0f3)[0xf761c0f3]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(__fortify_fail+0x45)[0xf76a9c95]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0xf8d4a)[0xf76a7d4a]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0xfabaa)[0xf76a9baa]
/usr/sbin/vlock-main(create_child+0x160)[0x804b690]
/usr/sbin/vlock-main[0x804bc96]
/usr/sbin/vlock-main[0x804bfd0]
/usr/sbin/vlock-main(new_plugin+0x79)[0x804b159]
/usr/sbin/vlock-main[0x804ab79]
/usr/sbin/vlock-main(load_plugin+0x29)[0x804abd9]
/usr/sbin/vlock-main(main+0x11c)[0x80499ec]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(__libc_start_main+0xf3)[0xf75c8a63]
/usr/sbin/vlock-main[0x8049cf5]
======= Memory map: ========
08048000-0804f000 r-xp 00000000 fd:00 5113138                            /usr/sbin/vlock-main
0804f000-08050000 r--p 00006000 fd:00 5113138                            /usr/sbin/vlock-main
08050000-08051000 rw-p 00007000 fd:00 5113138                            /usr/sbin/vlock-main
09af4000-09b15000 rw-p 00000000 00:00 0                                  [heap]
f7518000-f7534000 r-xp 00000000 fd:00 6553842                            /lib/i386-linux-gnu/libgcc_s.so.1
f7534000-f7535000 rw-p 0001b000 fd:00 6553842                            /lib/i386-linux-gnu/libgcc_s.so.1
f754c000-f7557000 r-xp 00000000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7557000-f7558000 r--p 0000a000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7558000-f7559000 rw-p 0000b000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7559000-f7563000 r-xp 00000000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7563000-f7564000 r--p 00009000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7564000-f7565000 rw-p 0000a000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7565000-f757a000 r-xp 00000000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757a000-f757b000 r--p 00015000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757b000-f757c000 rw-p 00016000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757c000-f757e000 rw-p 00000000 00:00 0 f757e000-f7585000 r-xp 00000000 fd:00 6554186 /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7585000-f7586000 r--p 00006000 fd:00 6554186                            /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7586000-f7587000 rw-p 00007000 fd:00 6554186                            /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7587000-f7588000 rw-p 00000000 00:00 0 f7588000-f75a2000 r-xp 00000000 fd:00 6553640 /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a2000-f75a4000 r--p 00019000 fd:00 6553640                            /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a4000-f75a5000 rw-p 0001b000 fd:00 6553640                            /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a5000-f75af000 rw-p 00000000 00:00 0 f75af000-f7754000 r-xp 00000000 fd:00 6554217 /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7754000-f7756000 r--p 001a5000 fd:00 6554217                            /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7756000-f7757000 rw-p 001a7000 fd:00 6554217                            /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7757000-f775b000 rw-p 00000000 00:00 0 f775b000-f7768000 r-xp 00000000 fd:00 6553734 /lib/i386-linux-gnu/libpam.so.0.83.1
f7768000-f7769000 r--p 0000c000 fd:00 6553734                            /lib/i386-linux-gnu/libpam.so.0.83.1
f7769000-f776a000 rw-p 0000d000 fd:00 6553734                            /lib/i386-linux-gnu/libpam.so.0.83.1
f776a000-f776d000 r-xp 00000000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f776d000-f776e000 r--p 00002000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f776e000-f776f000 rw-p 00003000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f7785000-f7786000 rw-p 00000000 00:00 0 f7786000-f7788000 rw-p 00000000 00:00 0 f7788000-f7789000 r-xp 00000000 00:00 0 [vdso]
f7789000-f77a8000 r-xp 00000000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
f77a8000-f77a9000 r--p 0001f000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
f77a9000-f77aa000 rw-p 00020000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
ffea2000-ffec3000 rw-p 00000000 00:00 0                                  [stack]
*** buffer overflow detected ***: /usr/sbin/vlock-main terminated
======= Backtrace: =========
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0x6d0f3)[0xf761c0f3]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(__fortify_fail+0x45)[0xf76a9c95]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0xf8d4a)[0xf76a7d4a]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0xfabaa)[0xf76a9baa]
/usr/sbin/vlock-main(create_child+0x160)[0x804b690]
/usr/sbin/vlock-main[0x804bc96]
/usr/sbin/vlock-main[0x804bfd0]
/usr/sbin/vlock-main(new_plugin+0x79)[0x804b159]
/usr/sbin/vlock-main[0x804ab79]
/usr/sbin/vlock-main(load_plugin+0x29)[0x804abd9]
/usr/sbin/vlock-main(main+0x11c)[0x80499ec]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(__libc_start_main+0xf3)[0xf75c8a63]
/usr/sbin/vlock-main[0x8049cf5]
======= Memory map: ========
08048000-0804f000 r-xp 00000000 fd:00 5113138                            /usr/sbin/vlock-main
0804f000-08050000 r--p 00006000 fd:00 5113138                            /usr/sbin/vlock-main
08050000-08051000 rw-p 00007000 fd:00 5113138                            /usr/sbin/vlock-main
09af4000-09b15000 rw-p 00000000 00:00 0                                  [heap]
f7518000-f7534000 r-xp 00000000 fd:00 6553842                            /lib/i386-linux-gnu/libgcc_s.so.1
f7534000-f7535000 rw-p 0001b000 fd:00 6553842                            /lib/i386-linux-gnu/libgcc_s.so.1
f754c000-f7557000 r-xp 00000000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7557000-f7558000 r--p 0000a000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7558000-f7559000 rw-p 0000b000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7559000-f7563000 r-xp 00000000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7563000-f7564000 r--p 00009000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7564000-f7565000 rw-p 0000a000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7565000-f757a000 r-xp 00000000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757a000-f757b000 r--p 00015000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757b000-f757c000 rw-p 00016000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757c000-f757e000 rw-p 00000000 00:00 0 f757e000-f7585000 r-xp 00000000 fd:00 6554186 /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7585000-f7586000 r--p 00006000 fd:00 6554186                            /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7586000-f7587000 rw-p 00007000 fd:00 6554186                            /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7587000-f7588000 rw-p 00000000 00:00 0 f7588000-f75a2000 r-xp 00000000 fd:00 6553640 /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a2000-f75a4000 r--p 00019000 fd:00 6553640                            /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a4000-f75a5000 rw-p 0001b000 fd:00 6553640                            /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a5000-f75af000 rw-p 00000000 00:00 0 f75af000-f7754000 r-xp 00000000 fd:00 6554217 /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7754000-f7756000 r--p 001a5000 fd:00 6554217                            /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7756000-f7757000 rw-p 001a7000 fd:00 6554217                            /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7757000-f775b000 rw-p 00000000 00:00 0 f775b000-f7768000 r-xp 00000000 fd:00 6553734 /lib/i386-linux-gnu/libpam.so.0.83.1
f7768000-f7769000 r--p 0000c000 fd:00 6553734                            /lib/i386-linux-gnu/libpam.so.0.83.1
f7769000-f776a000 rw-p 0000d000 fd:00 6553734                            /lib/i386-linux-gnu/libpam.so.0.83.1
f776a000-f776d000 r-xp 00000000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f776d000-f776e000 r--p 00002000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f776e000-f776f000 rw-p 00003000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f7785000-f7786000 rw-p 00000000 00:00 0 f7786000-f7788000 rw-p 00000000 00:00 0 f7788000-f7789000 r-xp 00000000 00:00 0 [vdso]
f7789000-f77a8000 r-xp 00000000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
f77a8000-f77a9000 r--p 0001f000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
f77a9000-f77aa000 rw-p 00020000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
ffea2000-ffec3000 rw-p 00000000 00:00 0                                  [stack]
*** buffer overflow detected ***: /usr/sbin/vlock-main terminated
======= Backtrace: =========
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0x6d0f3)[0xf761c0f3]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(__fortify_fail+0x45)[0xf76a9c95]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0xf8d4a)[0xf76a7d4a]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0xfabaa)[0xf76a9baa]
/usr/sbin/vlock-main(create_child+0x160)[0x804b690]
/usr/sbin/vlock-main[0x804bc96]
/usr/sbin/vlock-main[0x804bfd0]
/usr/sbin/vlock-main(new_plugin+0x79)[0x804b159]
/usr/sbin/vlock-main[0x804ab79]
/usr/sbin/vlock-main(load_plugin+0x29)[0x804abd9]
/usr/sbin/vlock-main(main+0x11c)[0x80499ec]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(__libc_start_main+0xf3)[0xf75c8a63]
/usr/sbin/vlock-main[0x8049cf5]
======= Memory map: ========
08048000-0804f000 r-xp 00000000 fd:00 5113138                            /usr/sbin/vlock-main
0804f000-08050000 r--p 00006000 fd:00 5113138                            /usr/sbin/vlock-main
08050000-08051000 rw-p 00007000 fd:00 5113138                            /usr/sbin/vlock-main
09af4000-09b15000 rw-p 00000000 00:00 0                                  [heap]
f7518000-f7534000 r-xp 00000000 fd:00 6553842                            /lib/i386-linux-gnu/libgcc_s.so.1
f7534000-f7535000 rw-p 0001b000 fd:00 6553842                            /lib/i386-linux-gnu/libgcc_s.so.1
f754c000-f7557000 r-xp 00000000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7557000-f7558000 r--p 0000a000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7558000-f7559000 rw-p 0000b000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7559000-f7563000 r-xp 00000000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7563000-f7564000 r--p 00009000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7564000-f7565000 rw-p 0000a000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7565000-f757a000 r-xp 00000000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757a000-f757b000 r--p 00015000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757b000-f757c000 rw-p 00016000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757c000-f757e000 rw-p 00000000 00:00 0 f757e000-f7585000 r-xp 00000000 fd:00 6554186 /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7585000-f7586000 r--p 00006000 fd:00 6554186                            /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7586000-f7587000 rw-p 00007000 fd:00 6554186                            /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7587000-f7588000 rw-p 00000000 00:00 0 f7588000-f75a2000 r-xp 00000000 fd:00 6553640 /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a2000-f75a4000 r--p 00019000 fd:00 6553640                            /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a4000-f75a5000 rw-p 0001b000 fd:00 6553640                            /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a5000-f75af000 rw-p 00000000 00:00 0 f75af000-f7754000 r-xp 00000000 fd:00 6554217 /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7754000-f7756000 r--p 001a5000 fd:00 6554217                            /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7756000-f7757000 rw-p 001a7000 fd:00 6554217                            /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7757000-f775b000 rw-p 00000000 00:00 0 f775b000-f7768000 r-xp 00000000 fd:00 6553734 /lib/i386-linux-gnu/libpam.so.0.83.1
f7768000-f7769000 r--p 0000c000 fd:00 6553734                            /lib/i386-linux-gnu/libpam.so.0.83.1
f7769000-f776a000 rw-p 0000d000 fd:00 6553734                            /lib/i386-linux-gnu/libpam.so.0.83.1
f776a000-f776d000 r-xp 00000000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f776d000-f776e000 r--p 00002000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f776e000-f776f000 rw-p 00003000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f7785000-f7786000 rw-p 00000000 00:00 0 f7786000-f7788000 rw-p 00000000 00:00 0 f7788000-f7789000 r-xp 00000000 00:00 0 [vdso]
f7789000-f77a8000 r-xp 00000000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
f77a8000-f77a9000 r--p 0001f000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
f77a9000-f77aa000 rw-p 00020000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
ffea2000-ffec3000 rw-p 00000000 00:00 0                                  [stack]
*** buffer overflow detected ***: /usr/sbin/vlock-main terminated
======= Backtrace: =========
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0x6d0f3)[0xf761c0f3]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(__fortify_fail+0x45)[0xf76a9c95]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0xf8d4a)[0xf76a7d4a]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0xfabaa)[0xf76a9baa]
/usr/sbin/vlock-main(create_child+0x160)[0x804b690]
/usr/sbin/vlock-main[0x804bc96]
/usr/sbin/vlock-main[0x804bfd0]
/usr/sbin/vlock-main(new_plugin+0x79)[0x804b159]
/usr/sbin/vlock-main[0x804ab79]
/usr/sbin/vlock-main(load_plugin+0x29)[0x804abd9]
/usr/sbin/vlock-main(main+0x11c)[0x80499ec]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(__libc_start_main+0xf3)[0xf75c8a63]
/usr/sbin/vlock-main[0x8049cf5]
======= Memory map: ========
08048000-0804f000 r-xp 00000000 fd:00 5113138                            /usr/sbin/vlock-main
0804f000-08050000 r--p 00006000 fd:00 5113138                            /usr/sbin/vlock-main
08050000-08051000 rw-p 00007000 fd:00 5113138                            /usr/sbin/vlock-main
09af4000-09b15000 rw-p 00000000 00:00 0                                  [heap]
f7518000-f7534000 r-xp 00000000 fd:00 6553842                            /lib/i386-linux-gnu/libgcc_s.so.1
f7534000-f7535000 rw-p 0001b000 fd:00 6553842                            /lib/i386-linux-gnu/libgcc_s.so.1
f754c000-f7557000 r-xp 00000000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7557000-f7558000 r--p 0000a000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7558000-f7559000 rw-p 0000b000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7559000-f7563000 r-xp 00000000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7563000-f7564000 r--p 00009000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7564000-f7565000 rw-p 0000a000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7565000-f757a000 r-xp 00000000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757a000-f757b000 r--p 00015000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757b000-f757c000 rw-p 00016000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757c000-f757e000 rw-p 00000000 00:00 0 f757e000-f7585000 r-xp 00000000 fd:00 6554186 /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7585000-f7586000 r--p 00006000 fd:00 6554186                            /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7586000-f7587000 rw-p 00007000 fd:00 6554186                            /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7587000-f7588000 rw-p 00000000 00:00 0 f7588000-f75a2000 r-xp 00000000 fd:00 6553640 /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a2000-f75a4000 r--p 00019000 fd:00 6553640                            /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a4000-f75a5000 rw-p 0001b000 fd:00 6553640                            /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a5000-f75af000 rw-p 00000000 00:00 0 f75af000-f7754000 r-xp 00000000 fd:00 6554217 /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7754000-f7756000 r--p 001a5000 fd:00 6554217                            /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7756000-f7757000 rw-p 001a7000 fd:00 6554217                            /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7757000-f775b000 rw-p 00000000 00:00 0 f775b000-f7768000 r-xp 00000000 fd:00 6553734 /lib/i386-linux-gnu/libpam.so.0.83.1
f7768000-f7769000 r--p 0000c000 fd:00 6553734                            /lib/i386-linux-gnu/libpam.so.0.83.1
f7769000-f776a000 rw-p 0000d000 fd:00 6553734                            /lib/i386-linux-gnu/libpam.so.0.83.1
f776a000-f776d000 r-xp 00000000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f776d000-f776e000 r--p 00002000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f776e000-f776f000 rw-p 00003000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f7785000-f7786000 rw-p 00000000 00:00 0 f7786000-f7788000 rw-p 00000000 00:00 0 f7788000-f7789000 r-xp 00000000 00:00 0 [vdso]
f7789000-f77a8000 r-xp 00000000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
f77a8000-f77a9000 r--p 0001f000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
f77a9000-f77aa000 rw-p 00020000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
ffea2000-ffec3000 rw-p 00000000 00:00 0                                  [stack]
*** buffer overflow detected ***: /usr/sbin/vlock-main terminated
======= Backtrace: =========
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0x6d0f3)[0xf761c0f3]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(__fortify_fail+0x45)[0xf76a9c95]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0xf8d4a)[0xf76a7d4a]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0xfabaa)[0xf76a9baa]
/usr/sbin/vlock-main(create_child+0x160)[0x804b690]
/usr/sbin/vlock-main[0x804bc96]
/usr/sbin/vlock-main[0x804bfd0]
/usr/sbin/vlock-main(new_plugin+0x79)[0x804b159]
/usr/sbin/vlock-main[0x804ab79]
/usr/sbin/vlock-main(load_plugin+0x29)[0x804abd9]
/usr/sbin/vlock-main(main+0x11c)[0x80499ec]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(__libc_start_main+0xf3)[0xf75c8a63]
/usr/sbin/vlock-main[0x8049cf5]
======= Memory map: ========
08048000-0804f000 r-xp 00000000 fd:00 5113138                            /usr/sbin/vlock-main
0804f000-08050000 r--p 00006000 fd:00 5113138                            /usr/sbin/vlock-main
08050000-08051000 rw-p 00007000 fd:00 5113138                            /usr/sbin/vlock-main
09af4000-09b15000 rw-p 00000000 00:00 0                                  [heap]
f7518000-f7534000 r-xp 00000000 fd:00 6553842                            /lib/i386-linux-gnu/libgcc_s.so.1
f7534000-f7535000 rw-p 0001b000 fd:00 6553842                            /lib/i386-linux-gnu/libgcc_s.so.1
f754c000-f7557000 r-xp 00000000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7557000-f7558000 r--p 0000a000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7558000-f7559000 rw-p 0000b000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7559000-f7563000 r-xp 00000000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7563000-f7564000 r--p 00009000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7564000-f7565000 rw-p 0000a000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7565000-f757a000 r-xp 00000000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757a000-f757b000 r--p 00015000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757b000-f757c000 rw-p 00016000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757c000-f757e000 rw-p 00000000 00:00 0 f757e000-f7585000 r-xp 00000000 fd:00 6554186 /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7585000-f7586000 r--p 00006000 fd:00 6554186                            /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7586000-f7587000 rw-p 00007000 fd:00 6554186                            /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7587000-f7588000 rw-p 00000000 00:00 0 f7588000-f75a2000 r-xp 00000000 fd:00 6553640 /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a2000-f75a4000 r--p 00019000 fd:00 6553640                            /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a4000-f75a5000 rw-p 0001b000 fd:00 6553640                            /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a5000-f75af000 rw-p 00000000 00:00 0 f75af000-f7754000 r-xp 00000000 fd:00 6554217 /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7754000-f7756000 r--p 001a5000 fd:00 6554217                            /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7756000-f7757000 rw-p 001a7000 fd:00 6554217                            /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7757000-f775b000 rw-p 00000000 00:00 0 f775b000-f7768000 r-xp 00000000 fd:00 6553734 /lib/i386-linux-gnu/libpam.so.0.83.1
f7768000-f7769000 r--p 0000c000 fd:00 6553734                            /lib/i386-linux-gnu/libpam.so.0.83.1
f7769000-f776a000 rw-p 0000d000 fd:00 6553734                            /lib/i386-linux-gnu/libpam.so.0.83.1
f776a000-f776d000 r-xp 00000000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f776d000-f776e000 r--p 00002000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f776e000-f776f000 rw-p 00003000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f7785000-f7786000 rw-p 00000000 00:00 0 f7786000-f7788000 rw-p 00000000 00:00 0 f7788000-f7789000 r-xp 00000000 00:00 0 [vdso]
f7789000-f77a8000 r-xp 00000000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
f77a8000-f77a9000 r--p 0001f000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
f77a9000-f77aa000 rw-p 00020000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
ffea2000-ffec3000 rw-p 00000000 00:00 0                                  [stack]
*** buffer overflow detected ***: /usr/sbin/vlock-main terminated
======= Backtrace: =========
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0x6d0f3)[0xf761c0f3]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(__fortify_fail+0x45)[0xf76a9c95]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0xf8d4a)[0xf76a7d4a]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0xfabaa)[0xf76a9baa]
/usr/sbin/vlock-main(create_child+0x160)[0x804b690]
/usr/sbin/vlock-main[0x804bb2e]
/usr/sbin/vlock-main[0x804aa04]
/usr/sbin/vlock-main(main+0x1d8)[0x8049aa8]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(__libc_start_main+0xf3)[0xf75c8a63]
/usr/sbin/vlock-main[0x8049cf5]
======= Memory map: ========
08048000-0804f000 r-xp 00000000 fd:00 5113138                            /usr/sbin/vlock-main
0804f000-08050000 r--p 00006000 fd:00 5113138                            /usr/sbin/vlock-main
08050000-08051000 rw-p 00007000 fd:00 5113138                            /usr/sbin/vlock-main
09af4000-09b15000 rw-p 00000000 00:00 0                                  [heap]
f7518000-f7534000 r-xp 00000000 fd:00 6553842                            /lib/i386-linux-gnu/libgcc_s.so.1
f7534000-f7535000 rw-p 0001b000 fd:00 6553842                            /lib/i386-linux-gnu/libgcc_s.so.1
f754c000-f7557000 r-xp 00000000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7557000-f7558000 r--p 0000a000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7558000-f7559000 rw-p 0000b000 fd:00 6554055                            /lib/i386-linux-gnu/i686/cmov/libnss_files-2.19.so
f7559000-f7563000 r-xp 00000000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7563000-f7564000 r--p 00009000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7564000-f7565000 rw-p 0000a000 fd:00 6554058                            /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.19.so
f7565000-f757a000 r-xp 00000000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757a000-f757b000 r--p 00015000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757b000-f757c000 rw-p 00016000 fd:00 6554244                            /lib/i386-linux-gnu/i686/cmov/libnsl-2.19.so
f757c000-f757e000 rw-p 00000000 00:00 0 f757e000-f7585000 r-xp 00000000 fd:00 6554186 /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7585000-f7586000 r--p 00006000 fd:00 6554186                            /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7586000-f7587000 rw-p 00007000 fd:00 6554186                            /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.19.so
f7587000-f7588000 rw-p 00000000 00:00 0 f7588000-f75a2000 r-xp 00000000 fd:00 6553640 /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a2000-f75a4000 r--p 00019000 fd:00 6553640                            /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a4000-f75a5000 rw-p 0001b000 fd:00 6553640                            /lib/i386-linux-gnu/libaudit.so.1.0.0
f75a5000-f75af000 rw-p 00000000 00:00 0 f75af000-f7754000 r-xp 00000000 fd:00 6554217 /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7754000-f7756000 r--p 001a5000 fd:00 6554217                            /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7756000-f7757000 rw-p 001a7000 fd:00 6554217                            /lib/i386-linux-gnu/i686/cmov/libc-2.19.so
f7757000-f775b000 rw-p 00000000 00:00 0 f775b000-f7768000 r-xp 00000000 fd:00 6553734 /lib/i386-linux-gnu/libpam.so.0.83.1
f7768000-f7769000 r--p 0000c000 fd:00 6553734                            /lib/i386-linux-gnu/libpam.so.0.83.1
f7769000-f776a000 rw-p 0000d000 fd:00 6553734                            /lib/i386-linux-gnu/libpam.so.0.83.1
f776a000-f776d000 r-xp 00000000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f776d000-f776e000 r--p 00002000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f776e000-f776f000 rw-p 00003000 fd:00 6554051                            /lib/i386-linux-gnu/i686/cmov/libdl-2.19.so
f7785000-f7786000 rw-p 00000000 00:00 0 f7786000-f7788000 rw-p 00000000 00:00 0 f7788000-f7789000 r-xp 00000000 00:00 0 [vdso]
f7789000-f77a8000 r-xp 00000000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
f77a8000-f77a9000 r--p 0001f000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
f77a9000-f77aa000 rw-p 00020000 fd:00 6553919                            /lib/i386-linux-gnu/ld-2.19.so
ffea2000-ffec3000 rw-p 00000000 00:00 0                                  [stack]
vlock: plugin 'foo' failed: Broken pipe



-- System Information:
Debian Release: jessie/sid
 APT prefers unstable
 APT policy: (990, 'unstable'), (500, 'experimental')
Architecture: i386 (x86_64)
Foreign Architectures: amd64

Kernel: Linux 3.14-1-amd64 (SMP w/2 CPU cores)
Locale: LANG=C, LC_CTYPE=pl_PL.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages vlock depends on:
ii  adduser         3.113+nmu3
ii  libc6           2.19-5
ii  libpam-modules  1.1.8-3
ii  libpam0g        1.1.8-3

--
Jakub Wilk


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