sometimes libpam-thinkfinger makes sudo crash

[Marius Gedminas]

This happened twice to me in Jaunty: I type sudo, type my password, press Enter, and get this error:

Password or swipe finger:
Warning: usb_bulk_read expected to read 0x40 (read 0x0 bytes).
*** glibc detected *** sudo: malloc(): memory corruption: 0x085b0dc8 ***
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6[0xb7f2f276]
/lib/tls/i686/cmov/libc.so.6(__libc_malloc+0x95)[0xb7f309c5]
/lib/tls/i686/cmov/libc.so.6[0xb7f581db]
/lib/tls/i686/cmov/libc.so.6(opendir+0x63)[0xb7f58373]
/lib/libusb-0.1.so.4(usb_os_find_busses+0x22)[0xb803c472]
/lib/libusb-0.1.so.4(usb_find_busses+0x1f)[0xb80399bf]
/usr/local/lib/libthinkfinger.so.0[0xb8042791]
/usr/local/lib/libthinkfinger.so.0(libthinkfinger_verify+0x67)[0xb8042c97]
/lib/security/pam_thinkfinger.so[0xb80467e1]
/lib/tls/i686/cmov/libpthread.so.0[0xb7e564ff]
/lib/tls/i686/cmov/libc.so.6(clone+0x5e)[0xb7fa149e]
======= Memory map: ========
08048000-08063000 r-xp 00000000 08:03 170676 /usr/bin/sudo
08063000-08064000 r--p 0001a000 08:03 170676 /usr/bin/sudo
08064000-08065000 rw-p 0001b000 08:03 170676 /usr/bin/sudo
08065000-08068000 rw-p 08065000 00:00 0
085a8000-085ea000 rw-p 085a8000 00:00 0 [heap]
b6cfe000-b6d0b000 r-xp 00000000 08:03 1317056 /lib/libgcc_s.so.1
b6d0b000-b6d0c000 r--p 0000c000 08:03 1317056 /lib/libgcc_s.so.1
b6d0c000-b6d0d000 rw-p 0000d000 08:03 1317056 /lib/libgcc_s.so.1
b6d0d000-b6d0e000 ---p b6d0d000 00:00 0
b6d0e000-b750e000 rw-p b6d0e000 00:00 0
b750e000-b750f000 ---p b750e000 00:00 0
b750f000-b7d0f000 rw-p b750f000 00:00 0
b7d0f000-b7d11000 r-xp 00000000 08:03 165579 /usr/lib/libck-connector.so.0.0.0
b7d11000-b7d12000 r--p 00001000 08:03 165579 /usr/lib/libck-connector.so.0.0.0
b7d12000-b7d13000 rw-p 00002000 08:03 165579 /usr/lib/libck-connector.so.0.0.0
b7d13000-b7d49000 r-xp 00000000 08:03 4915372 /lib/libdbus-1.so.3.4.0
b7d49000-b7d4a000 r--p 00035000 08:03 4915372 /lib/libdbus-1.so.3.4.0
b7d4a000-b7d4b000 rw-p 00036000 08:03 4915372 /lib/libdbus-1.so.3.4.0
b7d4b000-b7db1000 r-xp 00000000 08:03 4915212 /lib/libgcrypt.so.11.4.4
b7db1000-b7db2000 r--p 00065000 08:03 4915212 /lib/libgcrypt.so.11.4.4
b7db2000-b7db4000 rw-p 00066000 08:03 4915212 /lib/libgcrypt.so.11.4.4
b7db4000-b7dc8000 r-xp 00000000 08:03 165752 /usr/lib/libecryptfs.so.0.0.0
b7dc8000-b7dc9000 r--p 00013000 08:03 165752 /usr/lib/libecryptfs.so.0.0.0
b7dc9000-b7dd0000 rw-p 00014000 08:03 165752 /usr/lib/libecryptfs.so.0.0.0
b7dea000-b7e02000 r-xp 00000000 08:03 1317066 /lib/libselinux.so.1
b7e02000-b7e03000 r--p 00017000 08:03 1317066 /lib/libselinux.so.1
b7e03000-b7e04000 rw-p 00018000 08:03 1317066 /lib/libselinux.so.1
b7e04000-b7e0d000 r-xp 00000000 08:03 4702422 /lib/tls/i686/cmov/libcrypt-2.9.so
b7e0d000-b7e0e000 r--p 00008000 08:03 4702422 /lib/tls/i686/cmov/libcrypt-2.9.so
b7e0e000-b7e0f000 rw-p 00009000 08:03 4702422 /lib/tls/i686/cmov/libcrypt-2.9.so
b7e0f000-b7e36000 rw-p b7e0f000 00:00 0
b7e36000-b7e38000 r-xp 00000000 08:03 4915253 /lib/security/pam_ck_connector.so
b7e38000-b7e39000 r--p 00001000 08:03 4915253 /lib/security/pam_ck_connector.so
b7e39000-b7e3a000 rw-p 00002000 08:03 4915253 /lib/security/pam_ck_connector.so
b7e3a000-b7e3d000 r-xp 00000000 08:03 4915861 /lib/security/pam_limits.so
b7e3d000-b7e3e000 r--p 00003000 08:03 4915861 /lib/security/pam_limits.so
b7e3e000-b7e3f000 rw-p 00004000 08:03 4915861 /lib/security/pam_limits.so
b7e3f000-b7e42000 r-xp 00000000 08:03 4915432 /lib/libgpg-error.so.0.3.0
b7e42000-b7e43000 rw-p 00002000 08:03 4915432 /lib/libgpg-error.so.0.3.0
b7e43000-b7e45000 r-xp 00000000 08:03 4915687 /lib/libpam_misc.so.0.81.3
b7e45000-b7e46000 r--p 00001000 08:03 4915687 /lib/libpam_misc.so.0.81.3
b7e46000-b7e47000 rw-p 00002000 08:03 4915687 /lib/libpam_misc.so.0.81.3
b7e47000-b7e49000 r-xp 00000000 08:03 1540185 /lib/libkeyutils-1.2.so
b7e49000-b7e4a000 r--p 00001000 08:03 1540185 /lib/libkeyutils-1.2.so
b7e4a000-b7e4b000 rw-p 00002000 08:03 1540185 /lib/libkeyutils-1.2.so
b7e4b000-b7e4e000 r-xp 00000000 08:03 4915701 /lib/security/pam_ecryptfs.so
b7e4e000-b7e4f000 r--p 00002000 08:03 4915701 /lib/security/pam_ecryptfs.so
b7e4Aborted

ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 9.04
Package: libpam-thinkfinger 0.3+r118-0ubuntu4~ppa2
ProcEnviron:
 LC_CTYPE=lt_LT.UTF-8
 PATH=(custom, user)
 LANG=lt_LT.UTF-8
 SHELL=/bin/bash
SourcePackage: thinkfinger
Uname: Linux 2.6.28-11-generic i686
UnreportableReason: This is not a genuine Ubuntu package

[Manny Vindiola (serialorder)]

I can confirm this behavior