Public bug reported: Given an auto.master file with the following line:
# cat /etc/auto.master +dir:/etc/auto.master.d and /etc/auto.master.d is a file: # stat /etc/auto.master.d File: ā/etc/auto.master.dā Size: 0 Blocks: 0 IO Block: 4096 regular empty file Device: fc00h/64512d Inode: 6817460 Links: 1 Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root) Access: 2014-11-07 23:54:42.640848261 +1100 Modify: 2014-11-07 23:54:42.640848261 +1100 Change: 2014-11-07 23:54:42.640848261 +1100 Birth: - the autofs service fails to start due to multiple segfaults: # service autofs start & tail -F /var/log/syslog autofs start/running, process 4157 Nov 9 20:56:11 europa kernel: [ 641.836878] show_signal_msg: 1 callbacks suppressed Nov 9 20:56:11 europa kernel: [ 641.836885] automount[4157]: segfault at 0 ip 00007f7c3bbc8920 sp 00007fff9f158768 error 4 in libc-2.19.so[7f7c3bb0b000+1bb000] Nov 9 20:56:11 europa kernel: [ 641.839921] init: autofs main process (4157) killed by SEGV signal Nov 9 20:56:11 europa kernel: [ 641.839943] init: autofs main process ended, respawning Nov 9 20:56:11 europa kernel: [ 641.916675] automount[4166]: segfault at 0 ip 00007fad88d51920 sp 00007fff7bbecc28 error 4 in libc-2.19.so[7fad88c94000+1bb000] Nov 9 20:56:11 europa kernel: [ 641.918773] init: autofs main process (4166) killed by SEGV signal Nov 9 20:56:11 europa kernel: [ 641.918788] init: autofs main process ended, respawning Nov 9 20:56:11 europa kernel: [ 641.968632] automount[4175]: segfault at 0 ip 00007f0ee3fca920 sp 00007fff02ab3308 error 4 in libc-2.19.so[7f0ee3f0d000+1bb000] Nov 9 20:56:11 europa kernel: [ 641.970738] init: autofs main process (4175) killed by SEGV signal Nov 9 20:56:11 europa kernel: [ 641.970753] init: autofs main process ended, respawning Nov 9 20:56:11 europa kernel: [ 642.040704] automount[4184]: segfault at 0 ip 00007fc953493920 sp 00007fffec2dc0e8 error 4 in libc-2.19.so[7fc9533d6000+1bb000] Nov 9 20:56:11 europa kernel: [ 642.043116] init: autofs main process (4184) killed by SEGV signal Nov 9 20:56:11 europa kernel: [ 642.043133] init: autofs main process ended, respawning Nov 9 20:56:11 europa kernel: [ 642.104755] automount[4193]: segfault at 0 ip 00007f968326d920 sp 00007fff44edcc18 error 4 in libc-2.19.so[7f96831b0000+1bb000] Nov 9 20:56:11 europa kernel: [ 642.107902] init: autofs main process (4193) killed by SEGV signal Nov 9 20:56:11 europa kernel: [ 642.107919] init: autofs main process ended, respawning Nov 9 20:56:12 europa kernel: [ 642.176779] automount[4202]: segfault at 0 ip 00007f03aebb1920 sp 00007fffe76345c8 error 4 in libc-2.19.so[7f03aeaf4000+1bb000] Nov 9 20:56:12 europa kernel: [ 642.179081] init: autofs main process (4202) killed by SEGV signal Nov 9 20:56:12 europa kernel: [ 642.179099] init: autofs main process ended, respawning Nov 9 20:56:12 europa kernel: [ 642.236726] automount[4211]: segfault at 0 ip 00007f9f446c4920 sp 00007fff260533d8 error 4 in libc-2.19.so[7f9f44607000+1bb000] Nov 9 20:56:12 europa kernel: [ 642.238905] init: autofs main process (4211) killed by SEGV signal Nov 9 20:56:12 europa kernel: [ 642.238922] init: autofs main process ended, respawning Nov 9 20:56:12 europa kernel: [ 642.308743] automount[4220]: segfault at 0 ip 00007f9929fb7920 sp 00007fffba052698 error 4 in libc-2.19.so[7f9929efa000+1bb000] Nov 9 20:56:12 europa kernel: [ 642.311101] init: autofs main process (4220) killed by SEGV signal Nov 9 20:56:12 europa kernel: [ 642.311119] init: autofs main process ended, respawning Nov 9 20:56:12 europa kernel: [ 642.372656] automount[4229]: segfault at 0 ip 00007f1342759920 sp 00007fff68610ff8 error 4 in libc-2.19.so[7f134269c000+1bb000] Nov 9 20:56:12 europa kernel: [ 642.374811] init: autofs main process (4229) killed by SEGV signal Nov 9 20:56:12 europa kernel: [ 642.374826] init: autofs main process ended, respawning Nov 9 20:56:12 europa kernel: [ 642.424646] automount[4238]: segfault at 0 ip 00007fa402eb2920 sp 00007fffb89266e8 error 4 in libc-2.19.so[7fa402df5000+1bb000] Nov 9 20:56:12 europa kernel: [ 642.426643] init: autofs main process (4238) killed by SEGV signal Nov 9 20:56:12 europa kernel: [ 642.426658] init: autofs main process ended, respawning Nov 9 20:56:12 europa kernel: [ 642.495381] init: autofs main process (4247) killed by SEGV signal Nov 9 20:56:12 europa kernel: [ 642.495397] init: autofs respawning too fast, stopped While I'm sure that autofs should fail under these circumstances (I certainly don't know how I managed to make auto.master.d a file), I'm not sure that segfaults should occur. # apt-cache policy autofs autofs: Installed: 5.0.7-3ubuntu3.1 Candidate: 5.0.7-3ubuntu3.1 Version table: *** 5.0.7-3ubuntu3.1 0 500 http://mirror.as24220.net/pub/ubuntu-archive/ trusty-updates/main amd64 Packages 100 /var/lib/dpkg/status 5.0.7-3ubuntu3 0 500 http://mirror.as24220.net/pub/ubuntu-archive/ trusty/main amd64 Packages # lsb_release -a No LSB modules are available. Distributor ID: LinuxMint Description: Linux Mint 17 Qiana Release: 17 Codename: qiana ** Affects: autofs (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to autofs in Ubuntu. https://bugs.launchpad.net/bugs/1390870 Title: automount segfaults when auto.master "dir" points to a file To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/autofs/+bug/1390870/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs