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
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https://bugs.launchpad.net/bugs/1258003
Title:
DiG crashes on +nssearch with +tcp in bind9 9.18
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