*** glibc detected *** nmap: malloc(): memory corruption: 0x08718a50 ***

From: JaniD++ (djani22_at_dynamicweb.hu)
Date: 11/01/05

  • Next message: Hagen Paul Pfeifer: "Re: *** glibc detected *** nmap: malloc(): memory corruption: 0x08718a50 ***" 
    To: <linux-kernel@vger.kernel.org>
Date:	Tue, 1 Nov 2005 17:49:43 +0100

    Hello list,

    I get this, on my dual-xeon ECC-reg memory system.
    What is this? :-)

    kernel: 2.6.13
    (everything looks like normal)

    Thanks,

    Janos

    [root@dy-xeon-1 r]# nmap -O 80.99.___.__

    Starting nmap V. 3.00 ( www.insecure.org/nmap/ )
    *** glibc detected *** nmap: malloc(): memory corruption: 0x08718a50 ***
    ======= Backtrace: =========
    /lib/libc.so.6[0xb7e793ea]
    /lib/libc.so.6(calloc+0x91)[0xb7e7a4d9]
    nmap[0x8055cf0]
    nmap[0x805a6c3]
    nmap[0x805b6e8]
    nmap(vfprintf+0x3195)[0x804ca49]
    nmap(__strtoul_internal+0x3a6)[0x8049f4a]
    /lib/libc.so.6(__libc_start_main+0xc6)[0xb7e29de6]
    nmap(wait+0x5d)[0x8049cc1]
    ======= Memory map: ========
    08048000-08086000 r-xp 00000000 00:0e 20707825 /usr/bin/nmap
    08086000-08088000 rwxp 0003d000 00:0e 20707825 /usr/bin/nmap
    08088000-08759000 rwxp 08088000 00:00 0 [heap]
    b7c00000-b7c21000 rwxp b7c00000 00:00 0
    b7c21000-b7d00000 ---p b7c21000 00:00 0
    b7d9e000-b7da7000 r-xp 00000000 00:0e 4107664
    /lib/libgcc_s-4.0.0-20050520.so.1
    b7da7000-b7da8000 rwxp 00009000 00:0e 4107664
    /lib/libgcc_s-4.0.0-20050520.so.1
    b7da8000-b7de9000 rwxp b7da8000 00:00 0
    b7de9000-b7df8000 r-xp 00000000 00:0e 4107341 /lib/libresolv-2.3.5.so
    b7df8000-b7df9000 r-xp 0000e000 00:0e 4107341 /lib/libresolv-2.3.5.so
    b7df9000-b7dfa000 rwxp 0000f000 00:0e 4107341 /lib/libresolv-2.3.5.so
    b7dfa000-b7dfc000 rwxp b7dfa000 00:00 0
    b7dfc000-b7e00000 r-xp 00000000 00:0e 4107328 /lib/libnss_dns-2.3.5.so
    b7e00000-b7e01000 r-xp 00003000 00:0e 4107328 /lib/libnss_dns-2.3.5.so
    b7e01000-b7e02000 rwxp 00004000 00:0e 4107328 /lib/libnss_dns-2.3.5.so
    b7e09000-b7e12000 r-xp 00000000 00:0e 4107329 /lib/libnss_files-2.3.5.so
    b7e12000-b7e13000 r-xp 00008000 00:0e 4107329 /lib/libnss_files-2.3.5.so
    b7e13000-b7e14000 rwxp 00009000 00:0e 4107329 /lib/libnss_files-2.3.5.so
    b7e14000-b7e15000 rwxp b7e14000 00:00 0
    b7e15000-b7f39000 r-xp 00000000 00:0e 4107308 /lib/libc-2.3.5.so
    b7f39000-b7f3b000 r-xp 00124000 00:0e 4107308 /lib/libc-2.3.5.so
    b7f3b000-b7f3d000 rwxp 00126000 00:0e 4107308 /lib/libc-2.3.5.so
    b7f3d000-b7f3f000 rwxp b7f3d000 00:00 0
    b7f3f000-b7f61000 r-xp 00000000 00:0e 4107319 /lib/libm-2.3.5.so
    b7f61000-b7f62000 r-xp 00021000 00:0e 4107319 /lib/libm-2.3.5.so
    b7f62000-b7f63000 rwxp 00022000 00:0e 4107319 /lib/libm-2.3.5.so
    b7f69000-b7f6b000 rwxp b7f69000 00:00 0
    b7f6b000-b7f85000 r-xp 00000000 00:0e 4105556 /lib/ld-2.3.5.so
    b7f85000-b7f86000 r-xp 00019000 00:0e 4105556 /lib/ld-2.3.5.so
    b7f86000-b7f87000 rwxp 0001a000 00:0e 4105556 /lib/ld-2.3.5.so
    bfe3a000-bfe85000 rwxp bfe3a000 00:00 0 [stack]
    ffffe000-fffff000 ---p 00000000 00:00 0 [vdso]
    Aborted

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  • Next message: Hagen Paul Pfeifer: "Re: *** glibc detected *** nmap: malloc(): memory corruption: 0x08718a50 ***"

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