FS#57044 - [qbittorrent] 4.0.3-2: Segmentation fault

Attached to Project: Community Packages
Opened by Pedro Gabriel Drumond Pereira (pedrogabriel) - Thursday, 11 January 2018, 02:23 GMT
Last edited by Antonio Rojas (arojas) - Monday, 02 January 2023, 21:11 GMT
Task Type Bug Report
Category Packages
Status Closed
Assigned To Antonio Rojas (arojas)
Architecture x86_64
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:
When trying to start qbittorrent, I've got a segmentation fault with the following message:

*************************************************************
Please file a bug report at http://bug.qbittorrent.org and provide the following information:

qBittorrent version: v4.0.3

Caught signal: SIGSEGV
Stack trace:
/usr/lib/libresolv.so.2 : ()+0x7227 [0x7f02069ff227]
/usr/lib/libresolv.so.2 : ()+0x7ee7 [0x7f02069ffee7]
/usr/lib/libresolv.so.2 : __res_context_query()+0x1a1 [0x7f02069fdc81]
/usr/lib/libresolv.so.2 : ()+0x6249 [0x7f02069fe249]
/usr/lib/libresolv.so.2 : __res_context_search()+0x2df [0x7f02069fe9ff]
/usr/lib/libnss_dns.so.2 : _nss_dns_gethostbyname4_r()+0xe9 [0x7f01f5bbd9d9]
/usr/lib/libc.so.6 : ()+0xdffd9 [0x7f021ea4dfd9]
/usr/lib/libc.so.6 : getaddrinfo()+0x124 [0x7f021ea4ef04]
/usr/lib/libQt5Network.so.5 : ()+0xdef3c [0x7f022024df3c]
/usr/lib/libQt5Network.so.5 : ()+0xd1ccc [0x7f0220240ccc]
/usr/lib/libQt5Core.so.5 : ()+0xacb02 [0x7f021f8d9b02]
/usr/lib/libQt5Core.so.5 : ()+0xafb2d [0x7f021f8dcb2d]
/usr/lib/libpthread.so.0 : ()+0x708c [0x7f021f61608c]
/usr/lib/libc.so.6 : clone()+0x3f [0x7f021ea63e1f]
[1] 31656 segmentation fault (core dumped) qbittorrent

Additional info:
It started to act this way after I installed and configured dnscrypt-proxy and pdnsd, before I was accomitted by this bug:
https://github.com/qbittorrent/qBittorrent/issues/5816

Steps to reproduce:
*Install dnscrypt-proxy and pdnsd
*Configure both following the wiki
*Start qbittorrent
This task depends upon

Closed by  Antonio Rojas (arojas)
Monday, 02 January 2023, 21:11 GMT
Reason for closing:  None
Additional comments about closing:  Closing this 5 year old issue, follow up upstream if it's still an issue.
Comment by Pedro Gabriel Drumond Pereira (pedrogabriel) - Saturday, 13 January 2018, 17:57 GMT
It does appear to be some kind of conflict with "dnscrypt + pdnsd" setup. Uninstalling dnscrypt lead me to the error of:
https://github.com/qbittorrent/qBittorrent/issues/5816

And switching pdnsd for dnsmasq makes my qbittorrent usable.

I filled a bug in upstream:
https://github.com/qbittorrent/qBittorrent/issues/8251

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