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Re: reproducible, but limited, SEGFAULTS after upgrade curl/libcurl 7.66 -> 7.67. curl issue, or not?

From: Ray Satiro via curl-library <curl-library_at_cool.haxx.se>
Date: Tue, 12 Nov 2019 13:46:46 -0500

On 11/12/2019 11:38 AM, PGNet Dev via curl-library wrote:
> Retrieving:http://download.opensuse.org/distribution/leap/15.1/repo/oss/repodata/57cb86253c19b7c80ce4de1fb5a081a842e24eac5308c84b159d6728e3edc183-appdata.xml.gz ---------------------------------------------------------------------------------[starting]Segmentation fault (core dumped)
> ...
> ```
>
> journal reports,
> ```
> journalctl -f
> ...
> Nov 11 13:37:51 prod223 kernel: [13139.140228] zypper[26689]: segfault at 6d6172617088 ip 00007fbced4c5961 sp 00007ffdf070a3e0 error 4 in libcurl.so.4.6.0[7fbced488000+88000]
> Nov 11 13:37:51 prod223 kernel: [13139.140236] Code: 8c 94 00 00 00 39 71 28 0f 8c 8b 00 00 00 0f 1f 00 49 89 41 08 49 89 c1 48 8b 40 08 48 39 78 20 7e bd 48 8b 10 48 85 d2 74 3f <48> 39 7a 20 7f 19 7c 05 39 72 28 7f 12 48 89 c2 49 89 10 49 89 d0
> Nov 11 13:37:51 prod223 kernel: [13139.140245] RIP: 0033:0x7fbced4c5961
> Nov 11 13:37:51 prod223 kernel: [13139.140246] Code: 8c 94 00 00 00 39 71 28 0f 8c 8b 00 00 00 0f 1f 00 49 89 41 08 49 89 c1 48 8b 40 08 48 39 78 20 7e bd 48 8b 10 48 85 d2 74 3f <48> 39 7a 20 7f 19 7c 05 39 72 28 7f 12 48 89 c2 49 89 10 49 89 d0
> Nov 11 13:37:51 prod223 kernel: [13139.140247] RSP: 002b:00007ffdf070a3e0 EFLAGS: 00010202
> Nov 11 13:37:51 prod223 kernel: [13139.140248] RAX: 000055e3802b0da8 RBX: 000055e380270938 RCX: 000055e380270938
> Nov 11 13:37:51 prod223 kernel: [13139.140249] RDX: 00006d6172617068 RSI: 0000000000053d91 RDI: 0000000000003353
> Nov 11 13:37:51 prod223 kernel: [13139.140250] RBP: 0000000000003353 R08: 00007ffdf070a3e0 R09: 00007ffdf070a3e0
> Nov 11 13:37:51 prod223 kernel: [13139.140251] R10: 00007ffdf070a420 R11: 0000000000003353 R12: 0000000000053d91
> Nov 11 13:37:51 prod223 kernel: [13139.140251] R13: 000055e380270938 R14: 000055e380218890 R15: 000055e380270ae0
> Nov 11 13:37:51 prod223 kernel: [13139.140252] FS: 00007fbcef7caa00 GS: 0000000000000000
> ...
> ```
>
> Again, downgrading curl/libcurl -> v7.60 fixes the problem.
>
> Also, WITH v7.67, *DIS*abling the one repo also fixes the problem.
>
> I'm not sure this*is* curl, vs something else systemic ... Can provide add'l info as needed.
>
> *Is* this^^ likely a curl issue?

There's not enough information to tell. I downloaded that appdata file
without a problem using 7.67 but I'm using Windows. We need a link to
the issue filed with the repo and a minimal self-contained example that
can be used to reproduce. Find out if there's a way to enable curl
verbosity, like for example in git you enable it with environment
GIT_CURL_VERBOSE, maybe zypper has something similar.

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Received on 2019-11-12