$ encfs ${HOME}/Nextcloud_matoken@files.matoken.org/Documents/encfs ${HOME}/fuse/encfs
Segmentation fault

$ ls -l `which encfs`
-rwxr-xr-x 1 root root 57184 Mar 10  2024 /usr/bin/encfs

$ ulimit -c unlimited
$ encfs ${HOME}/Nextcloud_matoken@files.matoken.org/Documents/encfs ${HOME}/fuse/encfs
Segmentation fault (コアダンプ)
$ gdb encfs core.2007082
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Reading symbols from encfs...
(No debugging symbols found in encfs)
[New LWP 2007082]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/encfs /home/matoken/Nextcloud_matoken@files.matoken.org/Documents/encfs /home/matoken/fuse/encfs'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f9f83f536ce in tinyxml2::XMLDocument::Identify(char*, tinyxml2::XMLNode**, bool) () from /lib/x86_64-linux-gnu/libtinyxml2.so.10
(gdb) backtrace
#0  0x00007f9f83f536ce in tinyxml2::XMLDocument::Identify(char*, tinyxml2::XMLNode**, bool) () from /lib/x86_64-linux-gnu/libtinyxml2.so.10
#1  0x00007f9f83f54646 in tinyxml2::XMLNode::ParseDeep(char*, tinyxml2::StrPair*, int*) () from /lib/x86_64-linux-gnu/libtinyxml2.so.10
#2  0x00007f9f83f522e7 in tinyxml2::XMLDocument::Parse(char const*, unsigned long) () from /lib/x86_64-linux-gnu/libtinyxml2.so.10
#3  0x00007f9f84060a1f in encfs::XmlReader::load(char const*) () from /usr/lib/encfs/libencfs.so.1.9
#4  0x00007f9f8404ded6 in encfs::readV6Config(char const*, encfs::EncFSConfig*, encfs::ConfigInfo*) () from /usr/lib/encfs/libencfs.so.1.9
#5  0x00007f9f8404c0d7 in encfs::readConfig_load(encfs::ConfigInfo*, char const*, encfs::EncFSConfig*) () from /usr/lib/encfs/libencfs.so.1.9
#6  0x00007f9f8404c508 in encfs::readConfig(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, encfs::EncFSConfig*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) () from /usr/lib/encfs/libencfs.so.1.9
#7  0x00007f9f8405a459 in encfs::initFS(encfs::EncFS_Context*, std::shared_ptr<encfs::EncFS_Opts> const&) () from /usr/lib/encfs/libencfs.so.1.9
#8  0x000055a7bd21ca92 in main ()

$ apt-file search -x /lib/x86_64-linux-gnu/libtinyxml2.so.10$
libtinyxml2-10: /usr/lib/x86_64-linux-gnu/libtinyxml2.so.10

$ w3m -dump https://ftp.debian.org/debian/pool/main/t/tinyxml2/ | grep -E libtinyxml2 | grep amd64 | grep -v dev
[ ]         libtinyxml2-6a_7.0.0+dfsg-1_amd64.deb         2018-11-14 18:47  29K
[ ]         libtinyxml2-8_8.0.0+dfsg-2_amd64.deb          2020-05-14 06:28  30K
[ ]         libtinyxml2-9_9.0.0+dfsg-3.1_amd64.deb        2022-05-17 07:13  31K
[ ]         libtinyxml2-10_10.0.0+dfsg-2+b2_amd64.deb     2024-10-29 09:17  30K
[ ]         libtinyxml2-10_10.1.0+dfsg-1_amd64.deb        2025-03-14 06:57  30K
$ wget https://ftp.debian.org/debian/pool/main/t/tinyxml2/libtinyxml2-10_10.0.0+dfsg-2+b2_amd64.deb
$ sudo apt install ./libtinyxml2-10_10.0.0+dfsg-2+b2_amd64.deb

$ encfs ${HOME}/Nextcloud_matoken@files.matoken.org/Documents/encfs ${HOME}/fuse/encfs
EncFS Password:
$ ls ${HOME}/fuse/encfs/
secret-file
$ fusermount -u ${HOME}/fuse/encfs
$ 2auth-cli.sh word
EncFs Password:
matoken.org/blog(wordpress) : 209062