Thanks Andrea. Based on inspection and testing a package built in my ppa (https://launchpad.net/~sbeattie/+archive/ppa) with the patch applied, I can confirm this fixes the issue. Attached is a debdiff
** Attachment added: "iozone-fix-buffer-overflow-in-gethostname-lp320615.debdiff" http://launchpadlibrarian.net/25969204/iozone-fix-buffer-overflow-in-gethostname-lp320615.debdiff ** Description changed: christ...@ela:~$ apt-cache policy iozone3 iozone3: Installiert: 308-1 Kandidat: 308-1 Versions-Tabelle: *** 308-1 0 500 http://de.archive.ubuntu.com jaunty/multiverse Packages 100 /var/lib/dpkg/status christ...@ela:~$ iozone *** buffer overflow detected ***: iozone terminated ======= Backtrace: ========= /lib/tls/i686/cmov/libc.so.6(__fortify_fail+0x48)[0xb7f88d38] /lib/tls/i686/cmov/libc.so.6[0xb7f86e40] /lib/tls/i686/cmov/libc.so.6[0xb7f88594] iozone[0x80841ca] /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe5)[0xb7ea1775] iozone[0x8049b51] ======= Memory map: ======== 08048000-08093000 r-xp 00000000 08:01 2724513 /usr/bin/iozone 08093000-08094000 r--p 0004a000 08:01 2724513 /usr/bin/iozone 08094000-08095000 rw-p 0004b000 08:01 2724513 /usr/bin/iozone 08095000-08239000 rw-p 08095000 00:00 0 0a054000-0a075000 rw-p 0a054000 00:00 0 [heap] b7e7b000-b7e88000 r-xp 00000000 08:01 1261595 /lib/libgcc_s.so.1 b7e88000-b7e89000 r--p 0000c000 08:01 1261595 /lib/libgcc_s.so.1 b7e89000-b7e8a000 rw-p 0000d000 08:01 1261595 /lib/libgcc_s.so.1 b7e8a000-b7e8b000 rw-p b7e8a000 00:00 0 b7e8b000-b7fe7000 r-xp 00000000 08:01 1261827 /lib/tls/i686/cmov/libc-2.9.so b7fe7000-b7fe9000 r--p 0015b000 08:01 1261827 /lib/tls/i686/cmov/libc-2.9.so b7fe9000-b7fea000 rw-p 0015d000 08:01 1261827 /lib/tls/i686/cmov/libc-2.9.so b7fea000-b7fee000 rw-p b7fea000 00:00 0 b7fee000-b7ff5000 r-xp 00000000 08:01 1261867 /lib/tls/i686/cmov/librt-2.9.so b7ff5000-b7ff6000 r--p 00006000 08:01 1261867 /lib/tls/i686/cmov/librt-2.9.so b7ff6000-b7ff7000 rw-p 00007000 08:01 1261867 /lib/tls/i686/cmov/librt-2.9.so b7ff7000-b800c000 r-xp 00000000 08:01 1261849 /lib/tls/i686/cmov/libpthread-2.9.so b800c000-b800d000 r--p 00014000 08:01 1261849 /lib/tls/i686/cmov/libpthread-2.9.so b800d000-b800e000 rw-p 00015000 08:01 1261849 /lib/tls/i686/cmov/libpthread-2.9.so b800e000-b8010000 rw-p b800e000 00:00 0 b8027000-b8029000 rw-p b8027000 00:00 0 b8029000-b802a000 r-xp b8029000 00:00 0 [vdso] b802a000-b8046000 r-xp 00000000 08:01 1261654 /lib/ld-2.9.so b8046000-b8047000 r--p 0001b000 08:01 1261654 /lib/ld-2.9.so b8047000-b8048000 rw-p 0001c000 08:01 1261654 /lib/ld-2.9.so bfc33000-bfc48000 rw-p bffeb000 00:00 0 [stack] Aborted (core dumped) + + TESTCASE + 1. install iozone3 + 2. run 'iozone -h' and see a backtrace like above + 3. install proposed version + 4. running 'iozone -h' should display the extensive command line argument options for iozone. + + This is very little potential for regression here as iozone3 does not + work at all in jaunty. -- iozone3 segfaults always https://bugs.launchpad.net/bugs/320615 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs