[clug] lrzip crash

Eyal Lebedinsky eyal at eyal.emu.id.au
Tue Jun 30 02:05:49 MDT 2015


On 06/30/15 17:50, Hal Ashburner wrote:
> run it in gdb and get a backtrace, file & line number? install debug info?
> objdup -Dl /path/to/lrzip and find out what function is at 000000000040ed58
>
> Hopefully send fedora/upstream an obvious and trivial patch?

Thanks. Failing to find related posts in a search I was asking for people's experience
to shortcut going through a full investigation - in case anyone already came across
this issue.

cheers
	Eyal

> On 30 June 2015 at 17:02, Eyal Lebedinsky <eyal at eyal.emu.id.au> wrote:
>> I use lrzip to compress backups. I recently had a few crashed. The crash is
>> repeatable when
>> decompressing stdin. Here is an example run:
>>
>> $ lrzip -t vms.tar.lrz
>> Decompressing...
>> 100%      83.88 /     83.88 GB
>> Average DeCompression Speed: 28.144MB/s
>> [OK] - 90067507200 bytes
>> Total time: 00:50:53.00
>>
>> Good, now through stdin:
>>
>> $ cat vms.tar.lrz | lrzip -tf -
>> Decompressing...
>> Segmentation fault (core dumped)
>>
>> dmesg shows:
>>
>> lrzip[13579]: segfault at 7f31b76d3000 ip 000000000040ed58 sp
>> 00007fff878124e0 error 6 in lrzip[400000+41000]
>>
>> The archive was created with
>>
>> $ TMP="/backup/room" lrzip -b vms.tar
>>
>> This is on fedora 22 (latest and up-to-date).
>>
>> Any suggestions?
>>
>> TIA
>>
>> --
>> Eyal Lebedinsky (eyal at eyal.emu.id.au)

-- 
Eyal Lebedinsky (eyal at eyal.emu.id.au)


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