1.Classroom
maps Memory maps to executables and library files
Get The Hang
$sudo cat /proc/971/maps 00400000-00408000 r-xp 00000000 08:01 7422174 /sbin/syslogd 00607000-00608000 rw-p 00007000 08:01 7422174 /sbin/syslogd 00608000-00609000 rw-p 00000000 00:00 0 01429000-0144a000 rw-p 00000000 00:00 0 [heap] 7fd360fa5000-7fd360fb0000 r-xp 00000000 08:01 1466895 /lib/x86_64-linux-gnu/libnss_files-2.13.so 7fd360fb0000-7fd3611af000 ---p 0000b000 08:01 1466895 /lib/x86_64-linux-gnu/libnss_files-2.13.so 7fd3611af000-7fd3611b0000 r--p 0000a000 08:01 1466895 /lib/x86_64-linux-gnu/libnss_files-2.13.so 7fd3611b0000-7fd3611b1000 rw-p 0000b000 08:01 1466895 /lib/x86_64-linux-gnu/libnss_files-2.13.so 7fd3611b1000-7fd3611bb000 r-xp 00000000 08:01 1466891 /lib/x86_64-linux-gnu/libnss_nis-2.13.so 7fd3611bb000-7fd3613ba000 ---p 0000a000 08:01 1466891 /lib/x86_64-linux-gnu/libnss_nis-2.13.so 7fd3613ba000-7fd3613bb000 r--p 00009000 08:01 1466891 /lib/x86_64-linux-gnu/libnss_nis-2.13.so 7fd3613bb000-7fd3613bc000 rw-p 0000a000 08:01 1466891 /lib/x86_64-linux-gnu/libnss_nis-2.13.so 7fd3613bc000-7fd3613d1000 r-xp 00000000 08:01 1466681 /lib/x86_64-linux-gnu/libnsl-2.13.so 7fd3613d1000-7fd3615d0000 ---p 00015000 08:01 1466681 /lib/x86_64-linux-gnu/libnsl-2.13.so 7fd3615d0000-7fd3615d1000 r--p 00014000 08:01 1466681 /lib/x86_64-linux-gnu/libnsl-2.13.so 7fd3615d1000-7fd3615d2000 rw-p 00015000 08:01 1466681 /lib/x86_64-linux-gnu/libnsl-2.13.so 7fd3615d2000-7fd3615d4000 rw-p 00000000 00:00 0 7fd3615d4000-7fd3615db000 r-xp 00000000 08:01 1466617 /lib/x86_64-linux-gnu/libnss_compat-2.13.so 7fd3615db000-7fd3617da000 ---p 00007000 08:01 1466617 /lib/x86_64-linux-gnu/libnss_compat-2.13.so 7fd3617da000-7fd3617db000 r--p 00006000 08:01 1466617 /lib/x86_64-linux-gnu/libnss_compat-2.13.so 7fd3617db000-7fd3617dc000 rw-p 00007000 08:01 1466617 /lib/x86_64-linux-gnu/libnss_compat-2.13.so 7fd3617dc000-7fd361956000 r-xp 00000000 08:01 1466612 /lib/x86_64-linux-gnu/libc-2.13.so 7fd361956000-7fd361b56000 ---p 0017a000 08:01 1466612 /lib/x86_64-linux-gnu/libc-2.13.so 7fd361b56000-7fd361b5a000 r--p 0017a000 08:01 1466612 /lib/x86_64-linux-gnu/libc-2.13.so 7fd361b5a000-7fd361b5b000 rw-p 0017e000 08:01 1466612 /lib/x86_64-linux-gnu/libc-2.13.so 7fd361b5b000-7fd361b60000 rw-p 00000000 00:00 0 7fd361b60000-7fd361b7f000 r-xp 00000000 08:01 1466901 /lib/x86_64-linux-gnu/ld-2.13.so 7fd361d58000-7fd361d5b000 rw-p 00000000 00:00 0 7fd361d7c000-7fd361d7d000 rw-p 00000000 00:00 0 7fd361d7d000-7fd361d7f000 rw-p 00000000 00:00 0 7fd361d7f000-7fd361d80000 r--p 0001f000 08:01 1466901 /lib/x86_64-linux-gnu/ld-2.13.so 7fd361d80000-7fd361d81000 rw-p 00020000 08:01 1466901 /lib/x86_64-linux-gnu/ld-2.13.so 7fd361d81000-7fd361d82000 rw-p 00000000 00:00 0 7fff96afb000-7fff96b1c000 rw-p 00000000 00:00 0 [stack] 7fff96bbc000-7fff96bbd000 r-xp 00000000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] sudo: pam_mount.c:417: modify_pm_count: Assertion `user != ((void *)0)' failed. Aborted $