% sudo -s
sudo: /etc/sudoers.d/zfs is mode 0644, should be 0440
>>> /etc/sudoers.d/README: /etc/sudoers.d/zfs near line 18 <<<
sudo: parse error in /etc/sudoers.d/README near line 18
sudo: no valid sudoers sources found, quitting
*** glibc detected *** sudo: double free or corruption (!prev): 0x09253a10 ***
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6(+0x6b161)[0x17b161]
/lib/tls/i686/cmov/libc.so.6(+0x6c9b8)[0x17c9b8]
/lib/tls/i686/cmov/libc.so.6(cfree+0x6d)[0x17fa9d]
/lib/tls/i686/cmov/libc.so.6(fclose+0x14a)[0x16b67a]
sudo[0x805795d]
sudo[0x80589c6]
sudo[0x80564ce]
sudo[0x805a304]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6)[0x126bd6]
sudo[0x804a7c1]
======= Memory map: ========
00110000-00263000 r-xp 00000000 08:11 54266524   /lib/tls/i686/cmov/libc-2.11.1.so
00263000-00265000 r--p 00153000 08:11 54266524   /lib/tls/i686/cmov/libc-2.11.1.so
00265000-00266000 rw-p 00155000 08:11 54266524   /lib/tls/i686/cmov/libc-2.11.1.so
00266000-00269000 rw-p 00000000 00:00 0
00343000-00356000 r-xp 00000000 08:11 54265341   /lib/tls/i686/cmov/libnsl-2.11.1.so
00356000-00357000 r--p 00012000 08:11 54265341   /lib/tls/i686/cmov/libnsl-2.11.1.so
00357000-00358000 rw-p 00013000 08:11 54265341   /lib/tls/i686/cmov/libnsl-2.11.1.so
00358000-0035a000 rw-p 00000000 00:00 0
003d3000-003d5000 r-xp 00000000 08:11 54266519   /lib/tls/i686/cmov/libdl-2.11.1.so
003d5000-003d6000 r--p 00001000 08:11 54266519   /lib/tls/i686/cmov/libdl-2.11.1.so
003d6000-003d7000 rw-p 00002000 08:11 54266519   /lib/tls/i686/cmov/libdl-2.11.1.so
0078c000-00795000 r-xp 00000000 08:11 54266518   /lib/tls/i686/cmov/libcrypt-2.11.1.so
00795000-00796000 r--p 00008000 08:11 54266518   /lib/tls/i686/cmov/libcrypt-2.11.1.so
00796000-00797000 rw-p 00009000 08:11 54266518   /lib/tls/i686/cmov/libcrypt-2.11.1.so
00797000-007be000 rw-p 00000000 00:00 0
008d4000-008df000 r-xp 00000000 08:11 54247667   /lib/libpam.so.0.82.2
008df000-008e0000 r--p 0000a000 08:11 54247667   /lib/libpam.so.0.82.2
008e0000-008e1000 rw-p 0000b000 08:11 54247667   /lib/libpam.so.0.82.2
009d0000-009ed000 r-xp 00000000 08:11 54247592   /lib/libgcc_s.so.1
009ed000-009ee000 r--p 0001c000 08:11 54247592   /lib/libgcc_s.so.1
009ee000-009ef000 rw-p 0001d000 08:11 54247592   /lib/libgcc_s.so.1
00ad6000-00af1000 r-xp 00000000 08:11 54247791   /lib/ld-2.11.1.so
00af1000-00af2000 r--p 0001a000 08:11 54247791   /lib/ld-2.11.1.so
00af2000-00af3000 rw-p 0001b000 08:11 54247791   /lib/ld-2.11.1.so
00dc1000-00dc2000 r-xp 00000000 00:00 0          [vdso]
00dce000-00dd6000 r-xp 00000000 08:11 54266537   /lib/tls/i686/cmov/libnss_nis-2.11.1.so
00dd6000-00dd7000 r--p 00007000 08:11 54266537   /lib/tls/i686/cmov/libnss_nis-2.11.1.so
00dd7000-00dd8000 rw-p 00008000 08:11 54266537   /lib/tls/i686/cmov/libnss_nis-2.11.1.so
00f3a000-00f44000 r-xp 00000000 08:11 54266521   /lib/tls/i686/cmov/libnss_files-2.11.1.so
00f44000-00f45000 r--p 00009000 08:11 54266521   /lib/tls/i686/cmov/libnss_files-2.11.1.so
00f45000-00f46000 rw-p 0000a000 08:11 54266521   /lib/tls/i686/cmov/libnss_files-2.11.1.so
08048000-08066000 r-xp 00000000 08:11 5989182    /usr/bin/sudo
08066000-08067000 r--p 0001d000 08:11 5989182    /usr/bin/sudo
08067000-08068000 rw-p 0001e000 08:11 5989182    /usr/bin/sudo
08068000-0806b000 rw-p 00000000 00:00 0
0924d000-0926e000 rw-p 00000000 00:00 0          [heap]
b7600000-b7621000 rw-p 00000000 00:00 0
b7621000-b7700000 ---p 00000000 00:00 0
b7748000-b7787000 r--p 00000000 08:11 6037941    /usr/lib/locale/en_US.utf8/LC_CTYPE
b7787000-b7789000 rw-p 00000000 00:00 0
b7790000-b7791000 r--p 00000000 08:11 6038076    /usr/lib/locale/en_US.utf8/LC_NUMERIC
b7791000-b7792000 r--p 00000000 08:11 6039723    /usr/lib/locale/en_US.utf8/LC_TIME
b7792000-b7793000 r--p 00000000 08:11 6039724    /usr/lib/locale/en_US.utf8/LC_MONETARY
b7793000-b7794000 r--p 00000000 08:11 6039725    /usr/lib/locale/en_US.utf8/LC_MESSAGES/SYS_LC_MESSAGES
b7794000-b7795000 r--p 00000000 08:11 6037895    /usr/lib/locale/en_US.utf8/LC_PAPER
b7795000-b7796000 r--p 00000000 08:11 6037893    /usr/lib/locale/en_US.utf8/LC_NAME
b7796000-b7797000 r--p 00000000 08:11 6039726    /usr/lib/locale/en_US.utf8/LC_ADDRESS
b7797000-b7798000 r--p 00000000 08:11 6039727    /usr/lib/locale/en_US.utf8/LC_TELEPHONE
b7798000-b7799000 r--p 00000000 08:11 6037891    /usr/lib/locale/en_US.utf8/LC_MEASUREMENT
b7799000-b77a0000 r--s 00000000 08:11 6005721    /usr/lib/gconv/gconv-modules.cache
b77a0000-b77a1000 r--p 00000000 08:11 6039728    /usr/lib/locale/en_US.utf8/LC_IDENTIFICATION
b77a1000-b77a3000 rw-p 00000000 00:00 0
bfe25000-bfe3a000 rw-p 00000000 00:00 0          [stack]
Aborted
!