Package: davfs2
Version: 1.5.2-1.1
Severity: grave
Justification: renders package unusable

Dear Maintainer,

After a recent upgrade to davfs2 (I am tracking Debian Testing), I can
no longer mount my WebDAV share with davfs2.  When I run

    mount ~/lib/fm

the program exits with the following error:

    *** stack smashing detected ***: /sbin/mount.davfs terminated

and the WebDAV share is not mounted.

Attached to this e-mail is the full output of the program.  Below I have
included the relevant configuration file snippets.

Please excuse me if a bug severity of "grave" is not appropriate.  The
package is currently unusable for me, but I don't know if it renders
it unusable for others.

Regards,
 Sean Whitton

-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (900, 'testing')
Architecture: i386 (i686)

Kernel: Linux 4.3.0-1-686-pae (SMP w/2 CPU cores)
Locale: LANG=en_GB.utf8, LC_CTYPE=en_GB.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages davfs2 depends on:
ii  adduser                3.113+nmu3
ii  debconf [debconf-2.0]  1.5.58
ii  libc6                  2.21-6
ii  libneon27              0.30.1-2+b1

davfs2 recommends no packages.

davfs2 suggests no packages.

-- Configuration Files that I have modified:
/etc/fstab (snippet):

    https://myfiles.messagingengine.com/ /home/swhitton/lib/fm davfs 
user,noauto,uid=swhitton,file_mode=600,dir_mode=700 0 1

/home/swhitton/.davfs2/secrets:

https://myfiles.messagingengine.com/ "<elided>" "<elided>"

-- debconf information:
  davfs2/non_root_users_confimed:
* davfs2/suid_file: true
  davfs2/group_name: davfs2
  davfs2/new_group: true
  davfs2/user_name: davfs2
  davfs2/new_user: true
artemis ~ % mount lib/fm
*** stack smashing detected ***: /sbin/mount.davfs terminated
======= Backtrace: =========
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0x69439)[0xb7545439]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(__fortify_fail+0x37)[0xb75d4807]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0xf87ca)[0xb75d47ca]
/sbin/mount.davfs[0x8059dc5]
/sbin/mount.davfs[0x804bbdd]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(__libc_start_main+0xde)[0xb74f470e]
/sbin/mount.davfs[0x804d8fb]
======= Memory map: ========
08048000-08068000 r-xp 00000000 fb:00 17057181   /usr/sbin/mount.davfs
08068000-08069000 r--p 0001f000 fb:00 17057181   /usr/sbin/mount.davfs
08069000-0806a000 rw-p 00020000 fb:00 17057181   /usr/sbin/mount.davfs
08dd0000-08df5000 rw-p 00000000 00:00 0          [heap]
b4e4b000-b4e57000 r-xp 00000000 fb:00 45482067   
/lib/i386-linux-gnu/i686/cmov/libnss_files-2.21.so
b4e57000-b4e58000 r--p 0000b000 fb:00 45482067   
/lib/i386-linux-gnu/i686/cmov/libnss_files-2.21.so
b4e58000-b4e59000 rw-p 0000c000 fb:00 45482067   
/lib/i386-linux-gnu/i686/cmov/libnss_files-2.21.so
b4e59000-b4e64000 r-xp 00000000 fb:00 45482072   
/lib/i386-linux-gnu/i686/cmov/libnss_nis-2.21.so
b4e64000-b4e65000 r--p 0000a000 fb:00 45482072   
/lib/i386-linux-gnu/i686/cmov/libnss_nis-2.21.so
b4e65000-b4e66000 rw-p 0000b000 fb:00 45482072   
/lib/i386-linux-gnu/i686/cmov/libnss_nis-2.21.so
b4e66000-b4e7d000 r-xp 00000000 fb:00 45482059   
/lib/i386-linux-gnu/i686/cmov/libnsl-2.21.so
b4e7d000-b4e7e000 r--p 00016000 fb:00 45482059   
/lib/i386-linux-gnu/i686/cmov/libnsl-2.21.so
b4e7e000-b4e7f000 rw-p 00017000 fb:00 45482059   
/lib/i386-linux-gnu/i686/cmov/libnsl-2.21.so
b4e7f000-b4e81000 rw-p 00000000 00:00 0 
b4e81000-b4e88000 r-xp 00000000 fb:00 45482061   
/lib/i386-linux-gnu/i686/cmov/libnss_compat-2.21.so
b4e88000-b4e89000 ---p 00007000 fb:00 45482061   
/lib/i386-linux-gnu/i686/cmov/libnss_compat-2.21.so
b4e89000-b4e8a000 r--p 00007000 fb:00 45482061   
/lib/i386-linux-gnu/i686/cmov/libnss_compat-2.21.so
b4e8a000-b4e8b000 rw-p 00008000 fb:00 45482061   
/lib/i386-linux-gnu/i686/cmov/libnss_compat-2.21.so
b4e8b000-b5015000 r--p 00000000 fb:00 17057124   /usr/lib/locale/locale-archive
b5015000-b5019000 rw-p 00000000 00:00 0 
b5019000-b5035000 r-xp 00000000 fb:00 45351390   
/lib/i386-linux-gnu/libgcc_s.so.1
b5035000-b5036000 rw-p 0001b000 fb:00 45351390   
/lib/i386-linux-gnu/libgcc_s.so.1
b5036000-b519c000 r-xp 00000000 fb:00 17052224   
/usr/lib/i386-linux-gnu/libstdc++.so.6.0.21
b519c000-b519d000 ---p 00166000 fb:00 17052224   
/usr/lib/i386-linux-gnu/libstdc++.so.6.0.21
b519d000-b51a2000 r--p 00166000 fb:00 17052224   
/usr/lib/i386-linux-gnu/libstdc++.so.6.0.21
b51a2000-b51a3000 rw-p 0016b000 fb:00 17052224   
/usr/lib/i386-linux-gnu/libstdc++.so.6.0.21
b51a3000-b51a6000 rw-p 00000000 00:00 0 
b51a6000-b51f1000 r-xp 00000000 fb:00 45482054   
/lib/i386-linux-gnu/i686/cmov/libm-2.21.so
b51f1000-b51f2000 r--p 0004a000 fb:00 45482054   
/lib/i386-linux-gnu/i686/cmov/libm-2.21.so
b51f2000-b51f3000 rw-p 0004b000 fb:00 45482054   
/lib/i386-linux-gnu/i686/cmov/libm-2.21.so
b51f3000-b5219000 r-xp 00000000 fb:00 45350950   
/lib/i386-linux-gnu/liblzma.so.5.0.0
b5219000-b521b000 r--p 00026000 fb:00 45350950   
/lib/i386-linux-gnu/liblzma.so.5.0.0
b521b000-b521c000 rw-p 00028000 fb:00 45350950   
/lib/i386-linux-gnu/liblzma.so.5.0.0
b521c000-b6ad2000 r-xp 00000000 fb:00 17052174   
/usr/lib/i386-linux-gnu/libicudata.so.55.1
b6ad2000-b6ad3000 r--p 018b5000 fb:00 17052174   
/usr/lib/i386-linux-gnu/libicudata.so.55.1
b6ad3000-b6ad4000 rw-p 018b6000 fb:00 17052174   
/usr/lib/i386-linux-gnu/libicudata.so.55.1
b6ad4000-b6ad5000 rw-p 00000000 00:00 0 
b6ad5000-b6c5c000 r-xp 00000000 fb:00 17052183   
/usr/lib/i386-linux-gnu/libicuuc.so.55.1
b6c5c000-b6c66000 r--p 00186000 fb:00 17052183   
/usr/lib/i386-linux-gnu/libicuuc.so.55.1
b6c66000-b6c67000 rw-p 00190000 fb:00 17052183   
/usr/lib/i386-linux-gnu/libicuuc.so.55.1
b6c67000-b6c6b000 rw-p 00000000 00:00 0 
b6c6b000-b6ed5000 r-xp 00000000 fb:00 17052176   
/usr/lib/i386-linux-gnu/libicui18n.so.55.1
b6ed5000-b6ed6000 ---p 0026a000 fb:00 17052176   
/usr/lib/i386-linux-gnu/libicui18n.so.55.1
b6ed6000-b6ede000 r--p 0026a000 fb:00 17052176   
/usr/lib/i386-linux-gnu/libicui18n.so.55.1
b6ede000-b6edf000 rw-p 00272000 fb:00 17052176   
/usr/lib/i386-linux-gnu/libicui18n.so.55.1
b6edf000-b6ef8000 r-xp 00000000 fb:00 45482034   
/lib/i386-linux-gnu/i686/cmov/libpthread-2.21.so
b6ef8000-b6ef9000 r--p 00018000 fb:00 45482034   
/lib/i386-linux-gnu/i686/cmov/libpthread-2.21.so
b6ef9000-b6efa000 rw-p 00019000 fb:00 45482034   
/lib/i386-linux-gnu/i686/cmov/libpthread-2.21.so
b6efa000-b6efc000 rw-p 00000000 00:00 0 
b6efc000-b6f10000 r-xp 00000000 fb:00 45482077   
/lib/i386-linux-gnu/i686/cmov/libresolv-2.21.so
b6f10000-b6f11000 r--p 00013000 fb:00 45482077   
/lib/i386-linux-gnu/i686/cmov/libresolv-2.21.so
b6f11000-b6f12000 rw-p 00014000 fb:00 45482077   
/lib/i386-linux-gnu/i686/cmov/libresolv-2.21.so
b6f12000-b6f14000 rw-p 00000000 00:00 0 
b6f14000-b6f17000 r-xp 00000000 fb:00 45351161   
/lib/i386-linux-gnu/libkeyutils.so.1.5
b6f17000-b6f18000 r--p 00002000 fb:00 45351161   
/lib/i386-linux-gnu/libkeyutils.so.1.5
b6f18000-b6f19000 rw-p 00003000 fb:00 45351161   
/lib/i386-linux-gnu/libkeyutils.so.1.5
b6f19000-b6f1a000 rw-p 00000000 00:00 0 
b6f1a000-b6f25000 r-xp 00000000 fb:00 17046749   
/usr/lib/i386-linux-gnu/libkrb5support.so.0.1
b6f25000-b6f26000 r--p 0000a000 fb:00 17046749   
/usr/lib/i386-linux-gnu/libkrb5support.so.0.1
b6f26000-b6f27000 rw-p 0000b000 fb:00 17046749   
/usr/lib/i386-linux-gnu/libkrb5support.so.0.1
b6f27000-b6f2a000 r-xp 00000000 fb:00 45482051   
/lib/i386-linux-gnu/i686/cmov/libdl-2.21.so
b6f2a000-b6f2b000 r--p 00002000 fb:00 45482051   
/lib/i386-linux-gnu/i686/cmov/libdl-2.21.so
b6f2b000-b6f2c000 rw-p 00003000 fb:00 45482051   
/lib/i386-linux-gnu/i686/cmov/libdl-2.21.so
b6f2c000-b7102000 r-xp 00000000 fb:00 17043333   
/usr/lib/i386-linux-gnu/libxml2.so.2.9.3
b7102000-b7107000 r--p 001d5000 fb:00 17043333   
/usr/lib/i386-linux-gnu/libxml2.so.2.9.3
b7107000-b7108000 rw-p 001da000 fb:00 17043333   
/usr/lib/i386-linux-gnu/libxml2.so.2.9.3
b7108000-b7109000 rw-p 00000000 00:00 0 
b7109000-b710c000 r-xp 00000000 fb:00 45351164   
/lib/i386-linux-gnu/libcom_err.so.2.1
b710c000-b710d000 r--p 00002000 fb:00 45351164   
/lib/i386-linux-gnu/libcom_err.so.2.1
b710d000-b710e000 rw-p 00003000 fb:00 45351164   
/lib/i386-linux-gnu/libcom_err.so.2.1
b710e000-b713d000 r-xp 00000000 fb:00 17045750   
/usr/lib/i386-linux-gnu/libk5crypto.so.3.1
b713d000-b713e000 r--p 0002e000 fb:00 17045750   
/usr/lib/i386-linux-gnu/libk5crypto.so.3.1
b713e000-b713f000 rw-p 0002f000 fb:00 17045750   
/usr/lib/i386-linux-gnu/libk5crypto.so.3.1
b713f000-b7141000 rw-p 00000000 00:00 0 
b7141000-b7212000 r-xp 00000000 fb:00 17046746   
/usr/lib/i386-linux-gnu/libkrb5.so.3.3
b7212000-b7213000 ---p 000d1000 fb:00 17046746   
/usr/lib/i386-linux-gnu/libkrb5.so.3.3
b7213000-b7219000 r--p 000d1000 fb:00 17046746   
/usr/lib/i386-linux-gnu/libkrb5.so.3.3
b7219000-b721b000 rw-p 000d7000 fb:00 17046746   
/usr/lib/i386-linux-gnu/libkrb5.so.3.3
b721b000-b726b000 r-xp 00000000 fb:00 17046743   
/usr/lib/i386-linux-gnu/libgssapi_krb5.so.2.2
b726b000-b726c000 r--p 0004f000 fb:00 17046743   
/usr/lib/i386-linux-gnu/libgssapi_krb5.so.2.2
b726c000-b726d000 rw-p 00050000 fb:00 17046743   
/usr/lib/i386-linux-gnu/libgssapi_krb5.so.2.2
b726d000-b743b000 r-xp 00000000 fb:00 17171547   
/usr/lib/i386-linux-gnu/i686/cmov/libcrypto.so.1.0.2
b743b000-b743c000 ---p 001ce000 fb:00 17171547   
/usr/lib/i386-linux-gnu/i686/cmov/libcrypto.so.1.0.2
b743c000-b744c000 r--p 001ce000 fb:00 17171547   
/usr/lib/i386-linux-gnu/i686/cmov/libcrypto.so.1.0.2
b744c000-b7455000 rw-p 001de000 fb:00 17171547   
/usr/lib/i386-linux-gnu/i686/cmov/libcrypto.so.1.0.2
b7455000-b7458000 rw-p 00000000 00:00 0 
b7458000-b74b7000 r-xp 00000000 fb:00 17171548   
/usr/lib/i386-linux-gnu/i686/cmov/libssl.so.1.0.2
b74b7000-b74b8000 ---p 0005f000 fb:00 17171548   
/usr/lib/i386-linux-gnu/i686/cmov/libssl.so.1.0.2
b74b8000-b74ba000 r--p 0005f000 fb:00 17171548   
/usr/lib/i386-linux-gnu/i686/cmov/libssl.so.1.0.2
b74ba000-b74be000 rw-p 00061000 fb:00 17171548   
/usr/lib/i386-linux-gnu/i686/cmov/libssl.so.1.0.2
b74be000-b74d8000 r-xp 00000000 fb:00 45351013   
/lib/i386-linux-gnu/libz.so.1.2.8
b74d8000-b74da000 r--p 00019000 fb:00 45351013   
/lib/i386-linux-gnu/libz.so.1.2.8
b74da000-b74db000 rw-p 0001b000 fb:00 45351013   
/lib/i386-linux-gnu/libz.so.1.2.8
b74db000-b74dc000 rw-p 00000000 00:00 0 
b74dc000-b768c000 r-xp 00000000 fb:00 45482044   
/lib/i386-linux-gnu/i686/cmov/libc-2.21.so
b768c000-b768f000 r--p 001af000 fb:00 45482044   
/lib/i386-linux-gnu/i686/cmov/libc-2.21.so
b768f000-b7691000 rw-p 001b2000 fb:00 45482044   
/lib/i386-linux-gnu/i686/cmov/libc-2.21.so
b7691000-b7693000 rw-p 00000000 00:00 0 
b7693000-b76be000 r-xp 00000000 fb:00 17064279   /usr/lib/libneon.so.27.3.1
b76be000-b76bf000 ---p 0002b000 fb:00 17064279   /usr/lib/libneon.so.27.3.1
b76bf000-b76c0000 r--p 0002b000 fb:00 17064279   /usr/lib/libneon.so.27.3.1
b76c0000-b76c1000 rw-p 0002c000 fb:00 17064279   /usr/lib/libneon.so.27.3.1
b76e4000-b76e7000 rw-p 00000000 00:00 0 
b76e7000-b76e9000 r--p 00000000 00:00 0          [vvar]
b76e9000-b76ea000 r-xp 00000000 00:00 0          [vdso]
b76ea000-b770b000 r-xp 00000000 fb:00 45350948   /lib/i386-linux-gnu/ld-2.21.so
b770b000-b770c000 r--p 00020000 fb:00 45350948   /lib/i386-linux-gnu/ld-2.21.so
b770c000-b770d000 rw-p 00021000 fb:00 45350948   /lib/i386-linux-gnu/ld-2.21.so
bfd0f000-bfd30000 rw-p 00000000 00:00 0          [stack]

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