Re: radosgw Segmentation fault on obj copy

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I see. Do you have backtrace for the crash?

On Mon, Dec 2, 2013 at 6:19 PM, Dominik Mostowiec
<dominikmostowiec@xxxxxxxxx> wrote:
> 0.56.7
>
> W dniu poniedziałek, 2 grudnia 2013 użytkownik Yehuda Sadeh napisał:
>
>> I'm having trouble reproducing the issue. What version are you using?
>>
>> Thanks,
>> Yehuda
>>
>> On Mon, Dec 2, 2013 at 2:16 PM, Yehuda Sadeh <yehuda@xxxxxxxxxxx> wrote:
>> > Actually, I read that differently. It only says that if there's more
>> > than 1 part, all parts except for the last one need to be > 5M. Which
>> > means that for uploads that are smaller than 5M there should be zero
>> > or one parts.
>> >
>> > On Mon, Dec 2, 2013 at 12:54 PM, Dominik Mostowiec
>> > <dominikmostowiec@xxxxxxxxx> wrote:
>> >> You're right.
>> >>
>> >> S3 api doc:
>> >> http://docs.aws.amazon.com/AmazonS3/latest/API/mpUploadComplete.html
>> >> "Err:EntityTooSmall
>> >> Your proposed upload is smaller than the minimum allowed object size.
>> >> Each part must be at least 5 MB in size, except the last part."
>> >>
>> >> Thanks.
>> >>
>> >> This error should be triggered from radosgw also.
>> >>
>> >> --
>> >> Regards
>> >> Dominik
>> >>
>> >> 2013/12/2 Yehuda Sadeh <yehuda@xxxxxxxxxxx>:
>> >>> Looks like it. There should be a guard against it (mulitpart upload
>> >>> minimum is 5M).
>> >>>
>> >>> On Mon, Dec 2, 2013 at 12:32 PM, Dominik Mostowiec
>> >>> <dominikmostowiec@xxxxxxxxx> wrote:
>> >>>> Yes, this is probably upload empty file.
>> >>>> This is the problem?
>> >>>>
>> >>>> --
>> >>>> Regards
>> >>>> Dominik
>> >>>>
>> >>>>
>> >>>> 2013/12/2 Yehuda Sadeh <yehuda@xxxxxxxxxxx>:
>> >>>>> By any chance are you uploading empty objects through the multipart
>> >>>>> upload api?
>> >>>>>
>> >>>>> On Mon, Dec 2, 2013 at 12:08 PM, Dominik Mostowiec
>> >>>>> <dominikmostowiec@xxxxxxxxx> wrote:
>> >>>>>> Hi,
>> >>>>>> Another file with the same problems:
>> >>>>>>
>> >>>>>> 2013-12-01 11:37:15.556687 7f7891fd3700  1 ====== starting new
>> >>>>>> request
>> >>>>>> req=0x25406d0 =====
>> >>>>>> 2013-12-01 11:37:15.556739 7f7891fd3700  2 req
>> >>>>>> 1314:0.000052::::initializing
>> >>>>>> 2013-12-01 11:37:15.556789 7f7891fd3700 10 s->object=files/192.txt
>> >>>>>> s->bucket=testbucket
>> >>>>>> 2013-12-01 11:37:15.556799 7f7891fd3700  2 req
>> >>>>>> 1314:0.000112:s3:POST
>> >>>>>> /testbucket/files/192.txt::getting op
>> >>>>>> 2013-12-01 11:37:15.556804 7f7891fd3700  2 req
>> >>>>>> 1314:0.000118:s3:POST
>> >>>>>> /testbucket/files/192.txt:complete_multipart:authorizing
>> >>>>>> 2013-12-01 11:37:15.560013 7f7891fd3700 10 get_canon_resource():
>> >>>>>>
>> >>>>>> dest=/testbucket/files/192.txt?uploadId=i92xi2olzDtFAeLXlfU2PFP9CDU87BC
>> >>>>>> 2013-12-01 11:37:15.560027 7f7891fd3700 10 auth_hdr:
>> >>>>>> POST
>> >>>>>>
>> >>>>>> application/xml
>> >>>>>> Sun, 01 Dec 2013 10:37:10 GMT
>> >>>>>> /testbucket/files/192.txt?uploadId=i92xi2olzDtFAeLXlfU2PFP9CDU87BC
>> >>>>>> 2013-12-01 11:37:15.560085 7f7891fd3700  2 req
>> >>>>>> 1314:0.003399:s3:POST
>> >>>>>> /testbucket/files/192.txt:complete_multipart:reading permissions
>> >>>>>> 2013-12-01 11:37:15.562356 7f7891fd3700  2 req
>> >>>>>> 1314:0.005670:s3:POST
>> >>>>>> /testbucket/files/192.txt:complete_multipart:verifying op
>> >>>>>> permissions
>> >>>>>> 2013-12-01 11:37:15.562373 7f7891fd3700  5 Searching permissions
>> >>>>>> for
>> >>>>>> uid=0 mask=2
>> >>>>>> 2013-12-01 11:37:15.562377 7f7891fd3700  5 Found permission: 15
>> >>>>>> 2013-12-01 11:37:15.562378 7f7891fd3700 10  uid=0 requested perm
>> >>>>>> (type)=2, policy perm=2, user_perm_mask=2, acl perm=2
>> >>>>>> 2013-12-01 11:37:15.562381 7f7891fd3700  2 req
>> >>>>>> 1314:0.005695:s3:POST
>> >>>>>> /testbucket/files/192.txt:complete_multipart:verifying op params
>> >>>>>> 2013-12-01 11:37:15.562384 7f7891fd3700  2 req
>> >>>>>> 1314:0.005698:s3:POST
>> >>>>>> /testbucket/files/192.txt:complete_multipart:executing
>> >>>>>> 2013-12-01 11:37:15.565461 7f7891fd3700 10 calculated etag:
>> >>>>>> d41d8cd98f00b204e9800998ecf8427e-0
>> >>>>>> 2013-12-01 11:37:15.566718 7f7891fd3700 10 can't clone object
>> >>>>>> testbucket:files/192.txt to shadow object, tag/shadow_obj haven't
>> >>>>>> been
>> >>>>>> set
>> >>>>>> 2013-12-01 11:37:15.566777 7f7891fd3700  0 setting object
>> >>>>>> tag=_leyAzxCw7YxpKv8P3v3QGwcsw__9VmP
>> >>>>>> 2013-12-01 11:37:15.678973 7f7891fd3700  2 req
>> >>>>>> 1314:0.122286:s3:POST
>> >>>>>> /testbucket/files/192.txt:complete_multipart:http status=200
>> >>>>>> 2013-12-01 11:37:15.679192 7f7891fd3700  1 ====== req done
>> >>>>>> req=0x25406d0 http_status=200 ======
>> >>>>>>
>> >>>>>> Yes, I can read oryginal object.
>> >>>>>>
>> >>>>>> --
>> >>>>>> Regards
>> >>>>>> Dominik
>> >>>>>>
>> >>>>>> 2013/12/2 Yehuda Sadeh <yehuda@xxxxxxxxxxx>:
>> >>>>>>> That's unknown bug. I have a guess as to how the original object
>> >>>>>>> was
>> >>>>>>> created. Can you read the original object, but only copy fails?
>> >>>>>>>
>> >>>>>>> On Dec 2, 2013 4:53 AM, "Dominik Mostowiec"
>> >>>>>>> <dominikmostowiec@xxxxxxxxx>
>> >>>>>>> wrote:
>> >>>>>>>>
>> >>>>>>>> Hi,
>> >>>>>>>> I found that issue is related with "ETag: ....-0" (ends -0)
>> >>>>>>>> This is known bug ?
>> >>>>>>>>
>> >>>>>>>> --
>> >>>>>>>> Regards
>> >>>>>>>> Dominik
>> >>>>>>>>
>> >>>>>>>> 2013/12/2 Dominik Mostowiec <dominikmostowiec@xxxxxxxxx>:
>> >>>>>>>> > Hi,
>> >>>>>>>> > I have strange problem.
>> >>>>>>>> > Obj copy (0 size) killing radosgw.
>> >>>>>>>> >
>> >>>>>>>> > Head for this file:
>> >>>>>>>> > Content-Type: application/octet-stream
>> >>>>>>>> > Server: Apache/2.2.22 (Ubuntu)
>> >>>>>>>> > ETag: "d41d8cd98f00b204e9800998ecf8427e-0"
>> >>>>>>>> > Last-Modified: 2013-12-01T10:37:15Z
>> >>>>>>>> >
>> >>>>>>>> > rgw log.
>> >>>>>>>> > 2013-12-02 08:18:59.196651 7f5308ff1700  1 ====== starting new
>> >>>>>>>> > request
>> >>>>>>>> > req=0x2be6fa0 =====
>> >>>>>>>> > 2013-12-02 08:18:59.196709 7f5308ff1700  2 req
>> >>>>>>>> > 237:0.000058::::initializing
>> >>>>>>>> > 2013-12-02 08:18:59.196752 7f5308ff1700 10 meta>>
>> >>>>>>>> > HTTP_X_AMZ_ACL=public-read
>> >>>>>>>> > 2013-12-02 08:18:59.196760 7f5308ff1700 10 meta>>
>> >>>>>>>> > HTTP_X_AMZ_COPY_SOURCE=/testbucket/testfile.xml
>> >>>>>>>> > 2013-12-02 08:18:59.196766 7f5308ff1700 10 meta>>
>> >>>>>>>> > HTTP_X_AMZ_METADATA_DIRECTIVE=COPY
>> >>>>>>>> > 2013-12-02 08:18:59.196771 7f5308ff1700 10 x>>
>> >>>>>>>> > x-amz-acl:public-read
>> >>>>>>>> > 2013-12-02 08:18:59.196772 7f5308ff1700 10 x>>
>> >>>>>>>> > x-amz-copy-source:/testbucket/testfile.xml
>> >>>>>>>> > 2013-12-02 08:18:59.196773 7f5308ff1700 10 x>>
>> >>>>>>>> > x-amz-metadata-directive:COPY
>> >>>>>>>> > 2013-12-02 08:18:59.196786 7f5308ff1700 10
>> >>>>>>>> > s->object=/testbucket/new_testfile.ini s->bucket=testbucket
>> >>>>>>>> > 2013-12-02 08:18:59.196792 7f5308ff1700  2 req
>> >>>>>>>> > 237:0.000141:s3:PUT
>> >>>>>>>> > /testbucket/new_testfile.ini::getting op
>> >>>>>>>> > 2013-12-02 08:18:59.196797 7f5308ff1700  2 req
>> >>>>>>>> > 237:0.000146:s3:PUT
>> >>>>>>>> > /testbucket/new_testfile.ini:copy_obj:authorizing
>> >>>>>>>> > 2013-12-02 08:18:59.200648 7f5308ff1700 10
>> >>>>>>>> > get_canon_resource():
>> >>>>>>>> > dest=/testbucket/new_testfile.ini
>> >>>>>>>> > 2013-12-02 08:18:59.200661 7f5308ff1700 10 auth_hdr:
>> >>>>>>>> > PUT
>> >>>>>>>> > 1B2M2Y8AsgTpgAmY7PhCfg==
>> >>>>>>>> > application/octet-stream
>> >>>>>>>> > Mon, 02 Dec 2013 07:18:55 GMT
>> >>>>>>>> > x-amz-acl:public-read
>> >>>>>>>> > x-amz-copy-source:/testbucket/testfile.xml
>> >>>>>>>> > x-amz-metadata-directive:COPY
>> >>>>>>>> > /testbucket/new_testfile.ini
>> >>>>>>>> > 2013-12-02 08:18:59.200717 7f5308ff1700  2 req
>> >>>>>>>> > 237:0.004066:s3:PUT
>> >>>>>>>> > /testbucket/new_testfile.ini:copy_obj:reading permissions
>> >>>>>>>> > 2013-12-02 08:18:59.203330 7f5308ff1700  2 req
>> >>>>>>>> > 237:0.006679:s3:PUT
>> >>>>>>>> > /testbucket/new_testfile.ini:copy_obj:verifying op permissions
>> >>>>>>>> > 2013-12-02 08:18:59.207627 7f5308ff1700 10 manifest: total_size
>> >>>>>>>> > = 0
>> >>>>>>>> > 2013-12-02 08:18:59.207649 7f5308ff1700  5 Searching
>> >>>>>>>> > permissions for
>> >>>>>>>> > uid=0 mask=1
>> >>>>>>>> > 2013-12-02 08:18:59.207652 7f5308ff1700  5 Found permission: 15
>> >>>>>>>> > 2013-12-02 08:18:59.207654 7f5308ff1700 10  uid=0 requested
>> >>>>>>>> > perm
>> >>>>>>>> > (type)=1, policy perm=1, user_perm_mask=15, acl perm=1
>> >>>>>>>> > 2013-12-02 08:18:59.207669 7f5308ff1700  5 Searching
>> >>>>>>>> > permissions for
>> >>>>>>>> > uid=0 mask=2
>> >>>>>>>> > 2013-12-02 08:18:59.207670 7f5308ff1700  5 Found permission: 15
>> >>>>>>>> > 2013-12-02 08:18:59.207671 7f5308ff1700 10  uid=0 requested
>> >>>>>>>> > perm
>> >>>>>>>> > (type)=2, policy perm=2, user_perm_mask=15, acl perm=2
>> >>>>>>>> > 2013-12-02 08:18:59.207681 7f5308ff1700  2 req
>> >>>>>>>> > 237:0.011030:s3:PUT
>> >>>>>>>> > /testbucket/new_testfile.ini:copy_obj:verifying op params
>> >>>>>>>> > 2013-12-02 08:18:59.207686 7f5308ff1700  2 req
>> >>>>>>>> > 237:0.011035:s3:PUT
>> >>>>>>>> > /testbucket/new_testfile.ini:copy_obj:executing
>> >>>>>>>> > 2013-12-02 08:18:59.207699 7f5308ff1700 10 x>>
>> >>>>>>>> > x-amz-acl:public-read
>> >>>>>>>> > 2013-12-02 08:18:59.207704 7f5308ff1700 10 x>>
>> >>>>>>>> > x-amz-copy-source:/testbucket/testfile.xml
>> >>>>>>>> > 2013-12-02 08:18:59.207709 7f5308ff1700 10 x>>
>> >>>>>>>> > x-amz-metadata-directive:COPY
>> >>>>>>>> > 2013-12-02 08:18:59.207759 7f5308ff1700  5 Copy object
>> >>>>>>>> > testbucket(@.rgw.buckets[406250.1]):testfile.ini =>
>> >>>>>>>> > testbucket(@.rgw.buckets[406250.1]):new_testfile.ini
>> >>>>>>>> > 2013-12-02 08:18:59.208903 7f5308ff1700 -1 *** Caught signal
>> >>>>>>>> > (Segmentation fault) **
>> >>>>>>>> >  in thread 7f5308ff1700
>> >>>>>>>> >
>> >>>>>>>> >
>> >>>>>>>> > --
>> >>>>>>>> > Regards
>> >>>>>>>> > Dominik
>> >>>>>>>>
>> >>>>>>>>
>> >>>>>>>>
>> >>>>>>>> --
>> >>>>>>>> Pozdrawiam
>> >>>>>>>> Dominik
>> >>>>>>>> _______________________________________________
>> >>>>>>>> ceph-users mailing list
>> >>>>>>>> ceph-users@xxxxxxxxxxxxxx
>> >>>>>>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>> --
>> >>>>>> Pozdrawiam
>> >>>>>> Dominik
>> >>>>
>> >>>>
>> >>>>
>> >>>> --
>> >>>> Pozdrawiam
>> >>>> Dominik
>> >>
>> >>
>> >>
>> >> --
>> >> Pozdrawiam
>> >> Dominik
>
>
>
> --
> Pozdrawiam
> Dominik
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