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  • #2288

Closed
Open
Opened Nov 17, 2020 by Michał Kępień@michalMaintainer

"dig" crashes when interrupted while waiting for a TCP connection

To reproduce, fire up a dig query that will not connect over TCP before it times out, e.g.:

dig @192.0.2.1 isc.org. A +time=10 +vc

and then hit CTRL+C:

dighost.c:3232: REQUIRE((__builtin_expect(!!(((query)) != ((void *)0)), 1) && __builtin_expect(!!(((const isc__magic_t *)((query)))->magic == ((('D') << 24 | ('i') << 16 | ('g') << 8 | ('q')))), 1))) failed, back trace

Looks like arg (which gets cast to dig_query_t *query) passed to tcp_connected() is broken in this case.

See #2287 (closed) for the UDP counterpart of this problem.

Assignee
Assign to
December 2020 (9.11.26, 9.11.26-S1, 9.16.10, 9.16.10-S1, 9.17.8)
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December 2020 (9.11.26, 9.11.26-S1, 9.16.10, 9.16.10-S1, 9.17.8) (Past due)
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Reference: isc-projects/bind9#2288