Michael,

Sorry for not replying sooner. I reviewed the segfault, gdb output, and
code on Friday. Are you able to reproduce the problem with 'clamdscan
--reload'?

Thanks,
Steve

On Sun, Sep 24, 2017 at 8:10 AM, Michael D. <cla...@cosis.dk> wrote:

> Hi,
>
> I twice tried to reach out to the ClamAV Developers regarding this error,
> but been ignored.
>
> Anyone?
>
> Best regards
>
>    Michael
>
>
> Latest segfaults since rebooting 8 days ago:
>
> Sep 21 16:42:49 Boomer kernel: clamd[4208]: segfault at 7f27d5dd7780 ip
> 00007f27c56650b2 sp 00007ffd818b8280 error 4 in
> libclamav.so.7.1.1[7f27c562b000+1cf000]
> Sep 21 21:39:25 Boomer kernel: clamd[8589]: segfault at 14cf977 ip
> 00007f64092b7086 sp 00007ffc215e33c0 error 4 in
> libclamav.so.7.1.1[7f640927d000+1cf000]
> Sep 22 10:39:26 Boomer kernel: clamd[28493]: segfault at 15f56e6 ip
> 00007fbcbed4c086 sp 00007ffd451b9ff0 error 4 in
> libclamav.so.7.1.1[7fbcbed12000+1cf000]
> Sep 22 17:40:35 Boomer kernel: clamd[26125]: segfault at 2c561cd ip
> 00007fb8586691c5 sp 00007fffee7a7cd8 error 4 in
> libclamav.so.7.1.1[7fb8585aa000+1cf000]
> Sep 23 06:38:17 Boomer kernel: clamd[29676]: segfault at f2e99de ip
> 00007f9f243090b2 sp 00007ffd90a09bf0 error 4 in
> libclamav.so.7.1.1[7f9f242cf000+1cf000]
> Sep 23 18:38:53 Boomer kernel: clamd[20460]: segfault at 32de7d5 ip
> 00007f3f518481c5 sp 00007ffda4178b98 error 4 in
> libclamav.so.7.1.1[7f3f51789000+1cf000]
> Sep 23 23:42:25 Boomer kernel: clamd[9637]: segfault at 33ac956 ip
> 00007fc4ddb881c5 sp 00007ffe1457f378 error 4 in
> libclamav.so.7.1.1[7fc4ddac9000+1cf000]
> Sep 24 09:38:53 Boomer kernel: clamd[13548]: segfault at 6 ip
> 00007f28bbbbc1c5 sp 00007fffb209c748 error 4 in
> libclamav.so.7.1.1[7f28bbafd000+1cf000]
> Sep 24 11:44:37 Boomer kernel: clamd[17253]: segfault at 6 ip
> 00007f3af21b41c5 sp 00007ffe2c059ad8 error 4 in
> libclamav.so.7.1.1[7f3af20f5000+1cf000]
> Sep 24 13:42:53 Boomer kernel: clamd[22657]: segfault at 1c0d12b ip
> 00007efbfdf2f1c5 sp 00007fff0b092628 error 4 in
> libclamav.so.7.1.1[7efbfde70000+1cf000]
>
>
>
> On 09/22/2017 05:50 PM, Michael D. wrote:
>
>> Hi,
>>
>> The Clamd process still SegFault on reload after upgrading to
>> 0.99.3-beta1.
>>
>> Sep 21 16:42:49 Boomer kernel: clamd[4208]: segfault at 7f27d5dd7780 ip
>> 00007f27c56650b2 sp 00007ffd818b8280 error 4 in
>> libclamav.so.7.1.1[7f27c562b000+1cf000]
>> Sep 21 21:39:25 Boomer kernel: clamd[8589]: segfault at 14cf977 ip
>> 00007f64092b7086 sp 00007ffc215e33c0 error 4 in
>> libclamav.so.7.1.1[7f640927d000+1cf000]
>> Sep 22 10:39:26 Boomer kernel: clamd[28493]: segfault at 15f56e6 ip
>> 00007fbcbed4c086 sp 00007ffd451b9ff0 error 4 in
>> libclamav.so.7.1.1[7fbcbed12000+1cf000]
>>
>> Anything I can do to help narrowing down on the fault?
>>
>> Best regards
>>  Michael
>>
>>
>> On 07/03/2017 12:50 PM, Michael D. wrote:
>>
>>> Hi,
>>>
>>> I've been running the Development Version of ClamAV for a while, and the
>>> only problem I've encountered is that sometimes when it's instructed to
>>> reload the databases (clamscan --reload) it SegFaults:
>>>
>>> Jun 18 15:25:04 Boomer kernel: clamd[3414]: segfault at 1de2 ip
>>> 00007f618669d345 sp 00007ffe57c51d28 error 4 in
>>> libclamav.so.7.1.1[7f61865e0000+1b7000]
>>> Jun 19 01:44:17 Boomer kernel: clamd[3423]: segfault at 15f0d1 ip
>>> 00007f30e1010345 sp 00007ffdb449ccb8 error 4 in
>>> libclamav.so.7.1.1[7f30e0f53000+1b7000]
>>> Jun 30 22:41:08 Boomer kernel: clamd[3723]: segfault at 748334 ip
>>> 00007f16a9c04066 sp 00007ffc68399d80 error 4 in
>>> libclamav.so.7.1.1[7f16a9bca000+1cf000]
>>>
>>> To get more information I installed gdb, and ran it like this:
>>>
>>> root@Boomer [ ~ ]# gdb /usr/sbin/clamd
>>> gdb) run --debug -c /etc/clamav/clamd.conf
>>> Starting program: /usr/sbin/clamd --debug -c /etc/clamav/clamd.conf
>>> warning: Unable to find libthread_db matching inferior's thread library,
>>> thread debugging will not be available.
>>> LibClamAV debug: Initialized devel-clamav-0.99-beta1-683-g5a0b148b4
>>> engine
>>> LibClamAV debug: Initializing phishcheck module
>>> <snip>
>>>
>>>
>>> After a while I got this: (Along with a Core Dump)
>>>
>>> $Received POLLIN|POLLHUP on fd 7
>>> $fds_poll_recv: timeout after 5 seconds
>>> $Received POLLIN|POLLHUP on fd 11
>>> $got command RELOAD (7, 2), argument:
>>> $Receive thread: closing conn (FD 11), group finished
>>> $Consumed entire command
>>>
>>> Thread 1 "clamd" received signal SIGSEGV, Segmentation fault.
>>> mpool_free (mp=0x7ffff7fa6000, ptr=0x100000000) at mpool.c:698
>>> 698      f = allocbase_fromfrag(f);
>>> (gdb)
>>> (gdb)
>>> (gdb)
>>> (gdb) bt
>>> #0  mpool_free (mp=0x7ffff7fa6000, ptr=0x100000000) at mpool.c:698
>>> #1  0x00007ffff7a2c038 in hm_free (root=root@entry=0x7ffff5289168) at
>>> matcher-hash.c:315
>>> #2  0x00007ffff7a3d242 in cl_engine_free (engine=engine@entry=0x6b9b40)
>>> at readdb.c:4989
>>> #3  0x000000000040e65d in reload_db (ret=<synthetic pointer>,
>>> do_check=0, opts=0x62e010, dboptions=8202, engine=0x6b9b40) at
>>> server-th.c:197
>>> #4  recvloop_th (socketds=0x6bbdc0, nsockets=2, engine=0x6b9b40,
>>> dboptions=dboptions@entry=8202, opts=0x62e010) at server-th.c:1502
>>> #5  0x0000000000405aaa in main (argc=<optimized out>, argv=<optimized
>>> out>) at clamd.c:800
>>> (gdb)
>>>
>>> Can you use this information for anything?
>>>
>>> Any other commands I could run to gather more info?
>>>
>>> Best Regards
>>>
>>>  Michael
>>>
>>> System Info:
>>>
>>> Dist: LFS-8.0 64-Bit
>>> Kernel: 4.11.7
>>> GCC-6.3.0
>>> ClamAV devel-clamav-0.99-beta1-683-g5a0b148b4/23529
>>>
>>> root@Boomer [ ~ ]# ldd /usr/sbin/clamd
>>>     linux-vdso.so.1 (0x00007fff6d116000)
>>>     libclamav.so.7 => /usr/lib/libclamav.so.7 (0x00007f5ed4f1c000)
>>>     libxml2.so.2 => /usr/lib/libxml2.so.2 (0x00007f5ed4bb7000)
>>>     liblzma.so.5 => /lib/liblzma.so.5 (0x00007f5ed4991000)
>>>     libbz2.so.1.0 => /lib/libbz2.so.1.0 (0x00007f5ed4781000)
>>>     libltdl.so.7 => /usr/lib/libltdl.so.7 (0x00007f5ed4577000)
>>>     libdl.so.2 => /lib/libdl.so.2 (0x00007f5ed4373000)
>>>     libssl.so.1.0.0 => /usr/lib/libssl.so.1.0.0 (0x00007f5ed4100000)
>>>     libcrypto.so.1.0.0 => /usr/lib/libcrypto.so.1.0.0
>>> (0x00007f5ed3cab000)
>>>     libz.so.1 => /lib/libz.so.1 (0x00007f5ed3a8f000)
>>>     libpcre2-8.so.0 => /usr/lib/libpcre2-8.so.0 (0x00007f5ed3843000)
>>>     libm.so.6 => /lib/libm.so.6 (0x00007f5ed3530000)
>>>     libpthread.so.0 => /lib/libpthread.so.0 (0x00007f5ed3312000)
>>>     libc.so.6 => /lib/libc.so.6 (0x00007f5ed2f6e000)
>>>     /lib64/ld-linux-x86-64.so.2 (0x00007f5ed5304000)
>>> root@Boomer [ ~ ]#
>>>
>>>
>>> _______________________________________________
>>> http://lurker.clamav.net/list/clamav-devel.html
>>> Please submit your patches to our Bugzilla: http://bugs.clamav.net
>>>
>>> http://www.clamav.net/contact.html#ml
>>>
>>
>> _______________________________________________
>> http://lurker.clamav.net/list/clamav-devel.html
>> Please submit your patches to our Bugzilla: http://bugs.clamav.net
>>
>> http://www.clamav.net/contact.html#ml
>>
>
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>
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