Package: libpam-thinkfinger Version: 0.3+rev118.2-2 Severity: critical With libpam-thinkfinger installed, cupsd starts to reproducibly crash when I try to stop or start a printer through the web interface. Here is a gdb backtrace from cupsd that involves pam_thinkfinger:
(gdb) info thread * 3 Thread 0x41001950 (LWP 3199) 0x00002b584cf1a9a9 in ?? () from /lib/libc.so.6 1 Thread 0x2b584f5031c0 (LWP 3066) 0x00002b584c7da27f in __lll_unlock_wake_private () from /lib/libpthread.so.0 (gdb) thread 1 (gdb) bt #0 0x00002b584c7da27f in __lll_unlock_wake_private () from /lib/libpthread.so.0 #1 0x00002b584c7d45d3 in _L_unlock_4096 () from /lib/libpthread.so.0 #2 0x00002b584c7d3fa9 in pthread_create@@GLIBC_2.2.5 () from /lib/libpthread.so.0 #3 0x00002b584fd59c63 in pam_sm_authenticate () from /lib/security/pam_thinkfinger.so #4 0x00002b584bd47b61 in ?? () from /lib/libpam.so.0 #5 0x00002b584bd474a3 in pam_authenticate () from /lib/libpam.so.0 #6 0x000000000040c678 in ?? () #7 0x0000000000412dbb in cupsdReadClient () #8 0x000000000043df7f in ?? () #9 0x000000000042095a in ?? () #10 0x00002b584cecc1c4 in __libc_start_main () from /lib/libc.so.6 #11 0x000000000040a999 in ?? () #12 0x00007fff5f660e88 in ?? () #13 0x0000000000000000 in ?? () (gdb) thread 3 (gdb) bt #0 0x00002b584cf1a9a9 in ?? () from /lib/libc.so.6 #1 0x00002b584cf23452 in ?? () from /lib/libc.so.6 #2 0x00002b584cf24300 in malloc () from /lib/libc.so.6 #3 0x00002b5850177528 in usb_os_find_devices () from /lib/libusb-0.1.so.4 #4 0x00002b5850174dc2 in usb_find_devices () from /lib/libusb-0.1.so.4 #5 0x00002b584ff7193a in ?? () from /usr/lib/libthinkfinger.so.0 #6 0x00002b584ff71d98 in libthinkfinger_verify () from /usr/lib/libthinkfinger.so.0 #7 0x00002b584fd59dff in ?? () from /lib/security/pam_thinkfinger.so #8 0x00002b584c7d33f7 in start_thread () from /lib/libpthread.so.0 #9 0x00002b584cf8597d in clone () from /lib/libc.so.6 #10 0x0000000000000000 in ?? () This may be caused by libusb functions not being properly protected by mutexes, but I haven't dug very deeply. Feel free to ask for more information. I will gladly test patches, too. -- System Information: Debian Release: lenny/sid APT prefers unstable APT policy: (500, 'unstable'), (1, 'experimental') Architecture: amd64 (x86_64) Kernel: Linux 2.6.24-rc8 (SMP w/2 CPU cores; PREEMPT) Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/bash Versions of packages libpam-thinkfinger depends on: ii libc6 2.7-6 GNU C Library: Shared libraries ii libpam0g 0.99.7.1-5 Pluggable Authentication Modules l ii libthinkfinger0 0.3-1 library for the STMicroelectronics Versions of packages libpam-thinkfinger recommends: ii thinkfinger-tools 0.3-1 utilities for the STMicroelectroni -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
