Re: libcurl hangs in curl_multi_cleanup

From: Firefox OS via curl-library <curl-library_at_cool.haxx.se>
Date: Thu, 10 Jun 2021 00:38:58 +0200

Dnia 2019-05-06, o godz. 23:59:25
Firefox OS via curl-library <curl-library_at_cool.haxx.se> napisał(a):

> Dnia 2019-04-21, o godz. 23:21:07
> Daniel Stenberg via curl-library <curl-library_at_cool.haxx.se> napisał(a):
>
> > On Fri, 19 Apr 2019, Daniel Stenberg via curl-library wrote:
> >
> > > My proposed fix for this issue is now here:
> > >
> > > https://github.com/curl/curl/pull/3795
> >
> > That one landed in git too and will ship in the next release.
> >
>
> Hi,
>
> I've rebuilt libcurl-7.64.1 patched with just
> https://github.com/curl/curl/commit/e06b8bdae6a6e552d7430c00853d18b9378eac29
> and the issue seems to be gone.
>
> Thanks

Hi,

Unfortunately the bug is there again.
At least in 7.76.1 and 7.70.0.
Particularly, curl_multi_cleanup() hangs for exactly 2 minutes.

#0 0x00007ffff7e355bf in poll () from /lib64/libc.so.6
#1 0x00007ffff7f5c61e in Curl_poll () from /lib64/libcurl.so.4
#2 0x00007ffff7f5c756 in Curl_socket_check () from /lib64/libcurl.so.4
#3 0x00007ffff7f550de in Curl_pp_statemach () from /lib64/libcurl.so.4
#4 0x00007ffff7f4bb7d in imap_disconnect.lto_priv () from /lib64/libcurl.so.4
#5 0x00007ffff7f6b53f in Curl_disconnect () from /lib64/libcurl.so.4
#6 0x00007ffff7f24917 in Curl_conncache_close_all_connections () from /lib64/libcurl.so.4
#7 0x00007ffff7f5308b in curl_multi_cleanup () from /lib64/libcurl.so.4
#8 0x000000000040139a in main (argc=<optimized out>, argv=<optimized out>) at curl_imap_teardown_issue.c:89

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Received on 2021-06-10