efix segmentation fault

[Jonathan Hulka]

Ubuntu 12.04.1 LTS

efax:
  Installed: 1:0.9a-19
  Candidate: 1:0.9a-19
  Version table:
 *** 1:0.9a-19 0
        500 http://ca.archive.ubuntu.com/ubuntu/ precise/universe i386 Packages
        100 /var/lib/dpkg/status

efix crashes while converting a text file. The output file is created, but nothing is written to it.

# strace -f efix fax-test.txt
execve("/usr/bin/efix", ["efix", "fax-test.txt"], [/* 20 vars */]) = 0
brk(0) = 0x915e000
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
mmap2(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb77d2000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=30093, ...}) = 0
mmap2(NULL, 30093, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb77ca000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0000\226\1\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1730024, ...}) = 0
mmap2(NULL, 1743580, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb1b000
mprotect(0xcbe000, 4096, PROT_NONE) = 0
mmap2(0xcbf000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1a3) = 0xcbf000
mmap2(0xcc2000, 10972, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xcc2000
close(3) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb77c9000
set_thread_area({entry_number:-1 -> 6, base_addr:0xb77c9900, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0
mprotect(0xcbf000, 8192, PROT_READ) = 0
mprotect(0xae9000, 4096, PROT_READ) = 0
munmap(0xb77ca000, 30093) = 0
time(NULL) = 1356731733
brk(0) = 0x915e000
brk(0x917f000) = 0x917f000
open("/etc/localtime", O_RDONLY|O_CLOEXEC) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=2875, ...}) = 0
fstat64(3, {st_mode=S_IFREG|0644, st_size=2875, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb77d1000
read(3, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\4\0\0\0\4\0\0\0\0"..., 4096) = 2875
_llseek(3, -24, [2851], SEEK_CUR) = 0
read(3, "\nPST8PDT,M3.2.0,M11.1.0\n", 4096) = 24
close(3) = 0
munmap(0xb77d1000, 4096) = 0
write(2, "efix: Fri Dec 28 13:55:33 2012 e"..., 66efix: Fri Dec 28 13:55:33 2012 efix v 0.3 Copyright 1999 Ed Casas
) = 66
open("fax-test.txt", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0664, st_size=61, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb77d1000
read(3, "This is a test fax. Did it get t"..., 4096) = 61
read(3, "", 4096) = 0
_llseek(3, 0, [0], SEEK_SET) = 0
read(3, "This is a test fax. Did it get t"..., 4096) = 61
read(3, "", 4096) = 0
close(3) = 0
munmap(0xb77d1000, 4096) = 0
open("fax-test.txt", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0664, st_size=61, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb77d1000
_llseek(3, 0, [0], SEEK_SET) = 0
_llseek(1, 0, 0xbfbe4af0, SEEK_SET) = -1 ESPIPE (Illegal seek)
read(3, "This is a test fax. Did it get t"..., 4096) = 61
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
+++ killed by SIGSEGV (core dumped) +++
Segmentation fault (core dumped)

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: efax 1:0.9a-19
ProcVersionSignature: Ubuntu 3.2.0-29.46-generic-pae 3.2.24
Uname: Linux 3.2.0-29-generic-pae i686
ApportVersion: 2.0.1-0ubuntu15.1
Architecture: i386
Date: Fri Dec 28 14:23:02 2012
InstallationMedia: Ubuntu-Server 12.04.1 LTS "Precise Pangolin" - Release i386 (20120817.3)
MarkForUpload: True
ProcEnviron:
 LANGUAGE=en_CA:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SourcePackage: efax
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.efax.rc: 2012-12-12T13:26:28.484721

[Jonathan Hulka (jon-hulka)]

I got around the problem by replacing the defective efix binary:

 - Downloaded the efax source from http://www.cce.com/efax/download/
 - tar -xzf efax-0.9a-001114.tar.gz
 - cd efax-0.9a-001114
 - make
 - sudo cp efix /usr/bin/efix