Public bug reported:
This only affects libpam-ldap, auhentication works fine with pam_unix.so.
See cups issue https://github.com/apple/cups/issues/5327
Starting program: /usr/sbin/cupsd -f
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff1fae700 (LWP 9634)]
Thread 1 "cupsd" received signal SIGSEGV, Segmentation fault.
0x00007ffff13893f0 in ?? ()
(gdb) bt
#0 0x00007ffff13893f0 in ?? ()
#1 0x00007ffff590f3f3 in ?? () from
/usr/lib/x86_64-linux-gnu/libgnutls.so.30
#2 0x00007ffff584ac25 in ?? () from
/usr/lib/x86_64-linux-gnu/libgnutls.so.30
#3 0x00007ffff5846d6a in ?? () from
/usr/lib/x86_64-linux-gnu/libgnutls.so.30
#4 0x00007ffff5848f46 in gnutls_record_send () from
/usr/lib/x86_64-linux-gnu/libgnutls.so.30
#5 0x00007ffff7132d70 in _httpTLSWrite () from
/usr/lib/x86_64-linux-gnu/libcups.so.2
#6 0x00007ffff7108816 in ?? () from /usr/lib/x86_64-linux-gnu/libcups.so.2
#7 0x00007ffff7108ceb in httpFlushWrite () from
/usr/lib/x86_64-linux-gnu/libcups.so.2
#8 0x00007ffff710cda3 in httpWriteResponse () from
/usr/lib/x86_64-linux-gnu/libcups.so.2
#9 0x0000555555576b7b in ?? ()
#10 0x0000000000000000 in ?? ()
(gdb)
[root@]---> ldd /lib/x86_64-linux-gnu/security/pam_ldap.so
linux-vdso.so.1 => (0x00007ffed8971000)
libldap_r-2.4.so.2 => /usr/lib/x86_64-linux-gnu/libldap_r-2.4.so.2
(0x00007f02f4c2e000)
liblber-2.4.so.2 => /usr/lib/x86_64-linux-gnu/liblber-2.4.so.2
(0x00007f02f4a1f000)
libcrypt.so.1 => /lib/x86_64-linux-gnu/libcrypt.so.1
(0x00007f02f47e7000)
libpam.so.0 => /lib/x86_64-linux-gnu/libpam.so.0 (0x00007f02f45d9000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f02f420f000)
libresolv.so.2 => /lib/x86_64-linux-gnu/libresolv.so.2
(0x00007f02f3ff4000)
libsasl2.so.2 => /usr/lib/x86_64-linux-gnu/libsasl2.so.2
(0x00007f02f3dd9000)
libgssapi.so.3 => /usr/lib/x86_64-linux-gnu/libgssapi.so.3
(0x00007f02f3b98000)
libgnutls.so.30 => /usr/lib/x86_64-linux-gnu/libgnutls.so.30
(0x00007f02f3868000)
libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0
(0x00007f02f364b000)
libaudit.so.1 => /lib/x86_64-linux-gnu/libaudit.so.1
(0x00007f02f3424000)
libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f02f3220000)
/lib64/ld-linux-x86-64.so.2 (0x00007f02f508b000)
libheimntlm.so.0 => /usr/lib/x86_64-linux-gnu/libheimntlm.so.0
(0x00007f02f3017000)
libkrb5.so.26 => /usr/lib/x86_64-linux-gnu/libkrb5.so.26
(0x00007f02f2d8d000)
libasn1.so.8 => /usr/lib/x86_64-linux-gnu/libasn1.so.8
(0x00007f02f2aeb000)
libcom_err.so.2 => /lib/x86_64-linux-gnu/libcom_err.so.2
(0x00007f02f28e7000)
libhcrypto.so.4 => /usr/lib/x86_64-linux-gnu/libhcrypto.so.4
(0x00007f02f26b4000)
libroken.so.18 => /usr/lib/x86_64-linux-gnu/libroken.so.18
(0x00007f02f249e000)
libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007f02f2284000)
libp11-kit.so.0 => /usr/lib/x86_64-linux-gnu/libp11-kit.so.0
(0x00007f02f2020000)
libidn.so.11 => /usr/lib/x86_64-linux-gnu/libidn.so.11
(0x00007f02f1ded000)
libtasn1.so.6 => /usr/lib/x86_64-linux-gnu/libtasn1.so.6
(0x00007f02f1bda000)
libnettle.so.6 => /usr/lib/x86_64-linux-gnu/libnettle.so.6
(0x00007f02f19a4000)
libhogweed.so.4 => /usr/lib/x86_64-linux-gnu/libhogweed.so.4
(0x00007f02f1771000)
libgmp.so.10 => /usr/lib/x86_64-linux-gnu/libgmp.so.10
(0x00007f02f14f1000)
libwind.so.0 => /usr/lib/x86_64-linux-gnu/libwind.so.0
(0x00007f02f12c8000)
libheimbase.so.1 => /usr/lib/x86_64-linux-gnu/libheimbase.so.1
(0x00007f02f10b9000)
libhx509.so.5 => /usr/lib/x86_64-linux-gnu/libhx509.so.5
(0x00007f02f0e6e000)
libsqlite3.so.0 => /usr/lib/x86_64-linux-gnu/libsqlite3.so.0
(0x00007f02f0b99000)
libffi.so.6 => /usr/lib/x86_64-linux-gnu/libffi.so.6
(0x00007f02f0991000)
** Affects: libpam-ldap (Ubuntu)
Importance: Undecided
Status: New
** Package changed: linphone (Ubuntu) => libpam-ldap (Ubuntu)
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https://bugs.launchpad.net/bugs/1776484
Title:
cups pam_ldap auth results in segfault
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