I'm repurposing this bug because dig +nssearch is crashing again in bind9 9.18:
# dig +nssearch isc.org. SOA ns-int.isc.org. hostmaster.isc.org. 2022031252 7200 3600 24796800 3600 from server 149.20.1.73 in 59 ms. SOA ns-int.isc.org. hostmaster.isc.org. 2022031252 7200 3600 24796800 3600 from server 199.6.1.52 in 91 ms. SOA ns-int.isc.org. hostmaster.isc.org. 2022031252 7200 3600 24796800 3600 from server 51.75.79.143 in 159 ms. SOA ns-int.isc.org. hostmaster.isc.org. 2022031252 7200 3600 24796800 3600 from server 199.254.63.254 in 195 ms. dighost.c:1651: REQUIRE(targetp != ((void *)0) && *targetp == ((void *)0)) failed, back trace /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu3-Ubuntu.so(+0x328f3)[0x7fbb937678f3] /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu3-Ubuntu.so(isc_assertion_failed+0x10)[0x7fbb93766de0] dig(+0x16f40)[0x55929fb20f40] dig(+0xee4e)[0x55929fb18e4e] dig(+0x1002f)[0x55929fb1a02f] /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu3-Ubuntu.so(isc__nm_async_readcb+0xb1)[0x7fbb93755f91] /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu3-Ubuntu.so(isc__nm_readcb+0x9b)[0x7fbb937560cb] /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu3-Ubuntu.so(+0x22645)[0x7fbb93757645] /lib/x86_64-linux-gnu/libuv.so.1(uv_run+0xce)[0x7fbb932696de] /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu3-Ubuntu.so(+0x261ce)[0x7fbb9375b1ce] /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu3-Ubuntu.so(isc__trampoline_run+0x1a)[0x7fbb9378e1ca] /lib/x86_64-linux-gnu/libc.so.6(+0x94b43)[0x7fbb93321b43] /lib/x86_64-linux-gnu/libc.so.6(+0x126a00)[0x7fbb933b3a00] Aborted (core dumped) The example from the original bug report also crashes for me, with in a different place: # dig +time=3 +nssearch +tcp internot.info dighost.c:1683: INSIST(query->readhandle == ((void *)0)) failed, back trace /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu3-Ubuntu.so(+0x328f3)[0x7f60f32508f3] /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu3-Ubuntu.so(isc_assertion_failed+0x10)[0x7f60f324fde0] dig(+0x1686e)[0x560ec808b86e] dig(+0x169b9)[0x560ec808b9b9] dig(+0xcb87)[0x560ec8081b87] dig(+0x1152a)[0x560ec808652a] /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu3-Ubuntu.so(isc__nm_async_readcb+0xb1)[0x7f60f323ef91] /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu3-Ubuntu.so(isc__nm_readcb+0x9b)[0x7f60f323f0cb] /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu3-Ubuntu.so(isc__nm_tcpdns_processbuffer+0x11b)[0x7f60f32460db] /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu3-Ubuntu.so(isc__nm_process_sock_buffer+0x25)[0x7f60f323c0f5] /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu3-Ubuntu.so(isc__nm_tcpdns_read_cb+0xbc)[0x7f60f32499dc] /lib/x86_64-linux-gnu/libuv.so.1(+0x1fe88)[0x7f60f2d63e88] /lib/x86_64-linux-gnu/libuv.so.1(+0x204d8)[0x7f60f2d644d8] /lib/x86_64-linux-gnu/libuv.so.1(+0x2511e)[0x7f60f2d6911e] /lib/x86_64-linux-gnu/libuv.so.1(uv_run+0x678)[0x7f60f2d52c88] /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu3-Ubuntu.so(+0x261ce)[0x7f60f32441ce] /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu3-Ubuntu.so(isc__trampoline_run+0x1a)[0x7f60f32771ca] /lib/x86_64-linux-gnu/libc.so.6(+0x94b43)[0x7f60f2e0ab43] /lib/x86_64-linux-gnu/libc.so.6(+0x126a00)[0x7f60f2e9ca00] There are a few upstream bugs opened about this; I will link them here. ** Summary changed: - DiG crashes on +nssearch with +tcp [Outdated in Ubuntu repo] + DiG crashes on +nssearch with +tcp in bind9 9.18 ** Changed in: bind9 (Ubuntu) Status: Confirmed => Triaged -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1258003 Title: DiG crashes on +nssearch with +tcp in bind9 9.18 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bind9/+bug/1258003/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs