dclerk Memory Corruption

[Ross Salas]

Which operating system/version you running?

On Thu, Sep 3, 2020 at 11:36 AM Seijyaku <seijyaku+filepro at protonmail.com>
wrote:

> Below is the output from the Linux free command.  I assume this is what
> you're asking for?
>
>               total        used        free      shared  buff/cache
>  available
> Mem:       32936704     2835928     2408340     1759048    27692436
> 27864508
> Swap:             0           0           0
>
> 32GB installed, about 3GB used, the majority as buffer/cache.
>
>
> Sent with ProtonMail Secure Email.
>
> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> On Thursday, September 3, 2020 1:23 PM, Ross Salas via Filepro-list <
> filepro-list at lists.celestial.com> wrote:
>
> > what's the memory (RAM) status of that server?
> >
> > On Thu, Sep 3, 2020 at 10:58 AM Seijyaku via Filepro-list <
> > filepro-list at lists.celestial.com> wrote:
> >
> > > I'm working on a server running dclerk version 5.0.14D4 that is
> > > occasionally showing the error below in some of the logs. Any input on
> what
> > > might be causing this or how to resolve it?
> > > \x07,
> > > *** Error in `dclerk': malloc(): memory corruption (fast): 0x08b0c2c8
> ***,
> > > ======= Backtrace: =========,
> > > /lib/libc.so.6(+0x77dfc)[0xf7ddfdfc],
> > > /lib/libc.so.6(+0x7ae98)[0xf7de2e98],
> > > /lib/libc.so.6(__libc_malloc+0x9a)[0xf7de496a],
> > > dclerk[0x80b1e4e],
> > > dclerk[0x80b18e6],
> > > dclerk[0x80b15f1],
> > > dclerk[0x80b1e02],
> > > dclerk[0x80ae0af],
> > > dclerk[0x80af2f4],
> > > dclerk[0x80aec39],
> > > dclerk[0x80a95ad],
> > > [0xf7f8bec0],
> > > dclerk[0x80daa1d],
> > > dclerk[0x80daf33],
> > > dclerk[0x80d90d7],
> > > dclerk[0x80d301b],
> > > dclerk[0x80d66cd],
> > > dclerk[0x80d61ef],
> > > dclerk[0x80d6178],
> > > dclerk[0x8070610],
> > > dclerk[0x8061017],
> > > dclerk[0x805fbb2],
> > > dclerk[0x805e65f],
> > > dclerk[0x805e907],
> > > dclerk[0x8071bc2],
> > > dclerk[0x804f2e7],
> > > dclerk[0x804e230],
> > > /lib/libc.so.6(__libc_start_main+0xf3)[0xf7d822a3],
> > > ======= Memory map: ========,
> > > 08048000-080f2000 r-xp 00000000 08:02 1614140597 /opt/filepro/dclerk,
> > > 080f2000-08104000 rwxp 000aa000 08:02 1614140597 /opt/filepro/dclerk,
> > > 08104000-08113000 rwxp 00000000 00:00 0 ,
> > > 08aa0000-08b2a000 rwxp 00000000 00:00 0 [heap],
> > > f7b00000-f7b21000 rwxp 00000000 00:00 0 ,
> > > f7b21000-f7c00000 ---p 00000000 00:00 0 ,
> > > f7cae000-f7cc7000 r-xp 00000000 08:02 1611440773
> > > /usr/lib/libgcc_s-4.8.5-20150702.so.1,
> > > f7cc7000-f7cc8000 r-xp 00018000 08:02 1611440773
> > > /usr/lib/libgcc_s-4.8.5-20150702.so.1,
> > > f7cc8000-f7cc9000 rwxp 00019000 08:02 1611440773
> > > /usr/lib/libgcc_s-4.8.5-20150702.so.1,
> > > f7cd5000-f7d43000 rwxp 00000000 00:00 0 ,
> > > f7d43000-f7d53000 rwxs 00000000 00:01 2 /SYSVf102e0ed (deleted),
> > > f7d53000-f7d5e000 r-xp 00000000 08:02 1611347286 /usr/lib/
> > > libnss_files-2.17.so,
> > > f7d5e000-f7d5f000 r-xp 0000a000 08:02 1611347286 /usr/lib/
> > > libnss_files-2.17.so,
> > > f7d5f000-f7d60000 rwxp 0000b000 08:02 1611347286 /usr/lib/
> > > libnss_files-2.17.so,
> > > f7d60000-f7d68000 rwxp 00000000 00:00 0 ,
> > > f7d68000-f7f2c000 r-xp 00000000 08:02 1611317456 /usr/lib/libc-2.17.so
> ,
> > > f7f2c000-f7f2d000 ---p 001c4000 08:02 1611317456 /usr/lib/libc-2.17.so
> ,
> > > f7f2d000-f7f2f000 r-xp 001c4000 08:02 1611317456 /usr/lib/libc-2.17.so
> ,
> > > f7f2f000-f7f30000 rwxp 001c6000 08:02 1611317456 /usr/lib/libc-2.17.so
> ,
> > > f7f30000-f7f33000 rwxp 00000000 00:00 0 ,
> > > f7f33000-f7f73000 r-xp 00000000 08:02 1611317464 /usr/lib/libm-2.17.so
> ,
> > > f7f73000-f7f74000 r-xp 0003f000 08:02 1611317464 /usr/lib/libm-2.17.so
> ,
> > > f7f74000-f7f75000 rwxp 00040000 08:02 1611317464 /usr/lib/libm-2.17.so
> ,
> > > f7f75000-f7f78000 r-xp 00000000 08:02 1610785783
> > > /usr/lib/libtermcap.so.2.0.8,
> > > f7f78000-f7f79000 r-xp 00002000 08:02 1610785783
> > > /usr/lib/libtermcap.so.2.0.8,
> > > f7f79000-f7f7a000 rwxp 00003000 08:02 1610785783
> > > /usr/lib/libtermcap.so.2.0.8,
> > > f7f85000-f7f87000 rwxp 00000000 00:00 0 ,
> > > f7f87000-f7f8b000 r--p 00000000 00:00 0 [vvar],
> > > f7f8b000-f7f8d000 r-xp 00000000 00:00 0 [vdso],
> > > f7f8d000-f7faf000 r-xp 00000000 08:02 1610615685 /usr/lib/ld-2.17.so,
> > > f7faf000-f7fb0000 r-xp 00021000 08:02 1610615685 /usr/lib/ld-2.17.so,
> > > f7fb0000-f7fb1000 rwxp 00022000 08:02 1610615685 /usr/lib/ld-2.17.so,
> > > ffa8e000-ffab0000 rwxp 00000000 00:00 0 [stack],
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