Possible bug in dig

[Daniel Ryšlink]

Happened in dig from bind-tools 9.9 and 9.10, both on Linux and FreeBSD.

After issuing the following command, dig ends with a core dump:

dig +trace +topdown +sigchase +trusted-key=./key.txt rhybar.cz mx

Launch a query to find a RRset of type DNSKEY for zone: .
message.c:2306: REQUIRE(msg->cursors[section] != ((void *)0)) failed, 
back trace
#0 0x53b113 in ??
#1 0x53b0aa in ??
#2 0x4300ab in ??
#3 0x411850 in ??
#4 0x4149bf in ??
#5 0x555a5f in ??
#6 0x80179b4a4 in ??
#7 0x0 in ??
Abort trap (core dumped)

key.txt is attached

-- 
Best Regards,
Daniel Ryšlink
System Administrator

Dial Telecom a. s.
Křižíkova 36a/237
186 00 Praha 3, Česká Republika
Tel.:+420.226204627
daniel.ryslink at dialtelecom.cz
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.	21600	IN	DNSKEY	257 3 8 AwEAAagAIKlVZrpC6Ia7gEzahOR+9W29euxhJhVVLOyQbSEW0O8gcCjFFVQUTf6v58fLjwBd0YI0EzrAcQqBGCzh/RStIoO8g0NfnfL2MTJRkxoXbfDaUeVPQuYEhg37NZWAJQ9VnMVDxP/VHL496M/QZxkjf5/Efucp2gaDX6RS6CXpoY68LsvPVjR0ZSwzz1apAzvN9dlzEheX7ICJBBtuA6G3LQpzW5hOA2hzCTMjJPJ8LbqF6dsV6DoBQzgul0sGIcGOYl7OyQdXfZ57relSQageu+ipAdTTJ25AsRTAoub8ONGcLmqrAmRLKBP1dfwhYB4N7knNnulqQxA+Uk1ihz0=