Description of problem:
Just noticed this, dunno about situations where it actually happened.
I think I've seen the abort previously but I have not reported them.
Version-Release number of selected component:
runlevel: N 5
Thread no. 1 (10 frames)
#2 log_assert_failed_realm at ../src/basic/log.c:806
#3 dns_transaction_free at ../src/resolve/resolved-dns-transaction.c:94
#4 dns_transaction_gc at ../src/resolve/resolved-dns-transaction.c:147
#5 dns_transaction_complete at ../src/resolve/resolved-dns-transaction.c:366
#6 on_transaction_stream_error at ../src/resolve/resolved-dns-transaction.c:473
#7 on_stream_complete at ../src/resolve/resolved-dns-transaction.c:543
#8 dns_stream_complete at ../src/resolve/resolved-dns-stream.c:62
#9 source_dispatch at ../src/libsystemd/sd-event/sd-event.c:3111
#10 sd_event_dispatch at ../src/libsystemd/sd-event/sd-event.c:3516
#11 sd_event_run at ../src/libsystemd/sd-event/sd-event.c:3573
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This is a memory corruption: the linked list has invalid elements. Most likely the
error is not in this call path, it is just detected here.
*** Bug 1710917 has been marked as a duplicate of this bug. ***
Looks to be the same as the other one.
*** This bug has been marked as a duplicate of bug 1663470 ***