[ISSUE] rtorrent: segfault

[ISSUE] rtorrent: segfault

[voidlinux-github]

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New issue by samukhin on void-packages repository

https://github.com/void-linux/void-packages/issues/13113
Description: ### System
* xuname:
  Void 4.19.55_1 x86_64 GenuineIntel uptodate rrFFF
* package:
  rtorrent-0.9.7_4 curl-7.65.1_2 libcurl-7.65.1_2

### Expected behavior
rtorrent just works without crashes

### Actual behavior
rtorrent segfaults after starting some torrent

```
(gdb) bt
#0  0x00007ffff7ef5d00 in sh_delentry () from /usr/lib/libcurl.so.4
#1  0x00007ffff7ef7009 in Curl_multi_closed () from /usr/lib/libcurl.so.4
#2  0x00007ffff7ef3ed9 in Curl_closesocket () from /usr/lib/libcurl.so.4
#3  0x00007ffff7ee5398 in Curl_disconnect () from /usr/lib/libcurl.so.4
#4  0x00007ffff7ef79a7 in multi_done () from /usr/lib/libcurl.so.4
#5  0x00007ffff7ef9a04 in curl_multi_remove_handle () from /usr/lib/libcurl.so.4
#6  0x0000555555675934 in ?? ()
#7  0x0000555555677eb5 in ?? ()
#8  0x00007ffff7e8108b in ?? () from /usr/lib/libtorrent.so.20
#9  0x00007ffff7de90ca in torrent::TrackerList::close_all_excluding(int) () from /usr/lib/libtorrent.so.20
#10 0x00007ffff7de8051 in torrent::TrackerController::enable(int) () from /usr/lib/libtorrent.so.20
#11 0x00007ffff7dca55c in torrent::Download::start(int) () from /usr/lib/libtorrent.so.20
#12 0x00005555556515d9 in ?? ()
#13 0x00005555556588af in ?? ()
#14 0x00007ffff7e54ece in ?? () from /usr/lib/libtorrent.so.20
#15 0x00007ffff7dc7c0e in ?? () from /usr/lib/libtorrent.so.20
#16 0x00007ffff7e1c3fc in torrent::thread_base::event_loop(torrent::thread_base*) () from /usr/lib/libtorrent.so.20
#17 0x000055555558a359 in ?? ()
#18 0x00007ffff731db6b in __libc_start_main (main=0x555555589470, argc=1, argv=0x7fffffffe6b8, init=<optimized out>, 
    fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffe6a8) at ../csu/libc-start.c:308
#19 0x000055555558ac2a in ?? ()
```

### Steps to reproduce the behavior
Launch rtorrent with at least one torrent, press Ctrl+s to start it.

Re: rtorrent: segfault

[voidlinux-github]

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New comment by jnbr on void-packages repository

https://github.com/void-linux/void-packages/issues/13113#issuecomment-512549670
Comment:
Can you test if #13193 fixes the issue?

Re: [ISSUE] [CLOSED] rtorrent: segfault

[voidlinux-github]

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Closed issue by samukhin on void-packages repository

https://github.com/void-linux/void-packages/issues/13113
Description: ### System
* xuname:
  Void 4.19.55_1 x86_64 GenuineIntel uptodate rrFFF
* package:
  rtorrent-0.9.7_4 curl-7.65.1_2 libcurl-7.65.1_2

### Expected behavior
rtorrent just works without crashes

### Actual behavior
rtorrent segfaults after starting some torrent

```
(gdb) bt
#0  0x00007ffff7ef5d00 in sh_delentry () from /usr/lib/libcurl.so.4
#1  0x00007ffff7ef7009 in Curl_multi_closed () from /usr/lib/libcurl.so.4
#2  0x00007ffff7ef3ed9 in Curl_closesocket () from /usr/lib/libcurl.so.4
#3  0x00007ffff7ee5398 in Curl_disconnect () from /usr/lib/libcurl.so.4
#4  0x00007ffff7ef79a7 in multi_done () from /usr/lib/libcurl.so.4
#5  0x00007ffff7ef9a04 in curl_multi_remove_handle () from /usr/lib/libcurl.so.4
#6  0x0000555555675934 in ?? ()
#7  0x0000555555677eb5 in ?? ()
#8  0x00007ffff7e8108b in ?? () from /usr/lib/libtorrent.so.20
#9  0x00007ffff7de90ca in torrent::TrackerList::close_all_excluding(int) () from /usr/lib/libtorrent.so.20
#10 0x00007ffff7de8051 in torrent::TrackerController::enable(int) () from /usr/lib/libtorrent.so.20
#11 0x00007ffff7dca55c in torrent::Download::start(int) () from /usr/lib/libtorrent.so.20
#12 0x00005555556515d9 in ?? ()
#13 0x00005555556588af in ?? ()
#14 0x00007ffff7e54ece in ?? () from /usr/lib/libtorrent.so.20
#15 0x00007ffff7dc7c0e in ?? () from /usr/lib/libtorrent.so.20
#16 0x00007ffff7e1c3fc in torrent::thread_base::event_loop(torrent::thread_base*) () from /usr/lib/libtorrent.so.20
#17 0x000055555558a359 in ?? ()
#18 0x00007ffff731db6b in __libc_start_main (main=0x555555589470, argc=1, argv=0x7fffffffe6b8, init=<optimized out>, 
    fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffe6a8) at ../csu/libc-start.c:308
#19 0x000055555558ac2a in ?? ()
```

### Steps to reproduce the behavior
Launch rtorrent with at least one torrent, press Ctrl+s to start it.

Re: rtorrent: segfault

[voidlinux-github]

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New comment by samukhin on void-packages repository

https://github.com/void-linux/void-packages/issues/13113#issuecomment-513445059
Comment:
> Can you test if #13193 fixes the issue?

Yes, now it works.

Re: [ISSUE] [CLOSED] rtorrent: segfault

[voidlinux-github]

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Closed issue by samukhin on void-packages repository

https://github.com/void-linux/void-packages/issues/12752
Description: ### System

* xuname:
  Void 4.19.55_1 x86_64 GenuineIntel uptodate rrFFF
* package:  
  rtorrent-0.9.7_4 curl-7.65.1_2 libcurl-7.65.1_2

### Expected behavior
rtorrent just works without crashes
### Actual behavior
rtorrent segfaults after several minutes (or seconds) 

```
$ rtorrent
Caught Segmentation fault, dumping stack:
rtorrent(+0x37315) [0x560888e01315]
/usr/lib/libpthread.so.0(+0x13730) [0x7f186e5d4730]
/usr/lib/libcurl.so.4(+0x30d00) [0x7f186ed70d00]
/usr/lib/libcurl.so.4(+0x32009) [0x7f186ed72009]
/usr/lib/libcurl.so.4(+0x2eed9) [0x7f186ed6eed9]
/usr/lib/libcurl.so.4(+0x20398) [0x7f186ed60398]
/usr/lib/libcurl.so.4(+0x329a7) [0x7f186ed729a7]
/usr/lib/libcurl.so.4(+0x32f60) [0x7f186ed72f60]
/usr/lib/libcurl.so.4(+0x3474d) [0x7f186ed7474d]
/usr/lib/libcurl.so.4(curl_multi_socket_action+0x25) [0x7f186ed748b5]
rtorrent(+0x121f7a) [0x560888eebf7a]
rtorrent(+0x122242) [0x560888eec242]
rtorrent(+0x38331) [0x560888e02331]
/usr/lib/libtorrent.so.20(_ZN7torrent11thread_base10event_loopEPS0_+0x153) [0x7f186ec973f3]
rtorrent(+0x36359) [0x560888e00359]
/usr/lib/libc.so.6(__libc_start_main+0xeb) [0x7f186e198b6b]
rtorrent(+0x36c2a) [0x560888e00c2a]
```

rtorrent also crashes after starting/stopping any torrent

```
$ rtorrent
Caught Segmentation fault, dumping stack:
rtorrent(+0x37315) [0x562bb8281315]
/usr/lib/libpthread.so.0(+0x13730) [0x7fb2d2094730]
/usr/lib/libcurl.so.4(+0x30d00) [0x7fb2d2830d00]
/usr/lib/libcurl.so.4(+0x32009) [0x7fb2d2832009]
/usr/lib/libcurl.so.4(+0x2eed9) [0x7fb2d282eed9]
/usr/lib/libcurl.so.4(+0x20398) [0x7fb2d2820398]
/usr/lib/libcurl.so.4(+0x329a7) [0x7fb2d28329a7]
/usr/lib/libcurl.so.4(curl_multi_remove_handle+0xc4) [0x7fb2d2834a04]
rtorrent(+0x121934) [0x562bb836b934]
rtorrent(+0x123eb5) [0x562bb836deb5]
/usr/lib/libtorrent.so.20(+0xf508b) [0x7fb2d27bc08b]
/usr/lib/libtorrent.so.20(_ZN7torrent11TrackerList19close_all_excludingEi+0x2a) [0x7fb2d27240ca]
/usr/lib/libtorrent.so.20(_ZN7torrent17TrackerController5closeEi+0x25) [0x7fb2d27224f5]
/usr/lib/libtorrent.so.20(_ZN7torrent17TrackerController15send_stop_eventEv+0xcc) [0x7fb2d272274c]
/usr/lib/libtorrent.so.20(_ZN7torrent8Download4stopEi+0x97) [0x7fb2d2704a17]
rtorrent(+0xfe553) [0x562bb8348553]
rtorrent(+0x73ae3) [0x562bb82bdae3]
rtorrent(+0x75100) [0x562bb82bf100]
rtorrent(+0x1416cb) [0x562bb838b6cb]
rtorrent(+0x14a374) [0x562bb8394374]
```

### Steps to reproduce the behavior
Launch rtorrent with at least one torrent

This bug is [known](https://github.com/rakshasa/rtorrent/issues/885#issuecomment-502533391).