Comment 4 for bug 1964400

Hi Sergio,
I will test it as soon as possible, right now I am travelling.

Cheers
TB

El 21 de marzo de 2022 20:05:58 ART, Sergio Durigan Junior <email address hidden> escribió:
>Hello Thomas,
>
>I still cannot reproduce this issue, so I would like to know if you
>could test the bind9 package from the following PPA and let me know if
>it fixes your problem:
>
>https://launchpad.net/~sergiodj/+archive/ubuntu/bind9-bugfix
>
>It contains the backported patches from the upstream Merge Request
>mentioned above.
>
>Thanks in advance.
>
>--
>You received this bug notification because you are subscribed to the bug
>report.
>https://bugs.launchpad.net/bugs/1964400
>
>Title:
> host crashes with SIGABRT in isc_assertion_failed()
>
>Status in bind9 package in Ubuntu:
> Triaged
>Status in bind9 package in Debian:
> Confirmed
>
>Bug description:
> LP: #1964264 reported `host` intermittent crashes when performing
> numeric lookups.
>
> I could reproduce the issue by running the command below a few times
> in a new jammy installation. I was also able to reproduce the issue in
> Debian.
>
> Since LP: #1964264 is private and contains a user's core dump. I am
> filing a new bug report so we can publicly address the issue.
>
> # host -v 192.108.254.91
> Trying "91.254.108.192.in-addr.arpa"
> netmgr/netmgr.c:1731: REQUIRE((((handle) != ((void *)0) && ((const isc__magic_t *)(handle))->magic == ((('N') << 24 | ('M') << 16 | ('H') << 8 | ('D')))) && __extension__ ({ __auto_type __atomic_load_ptr = (&(handle)->references); __typeof__ ((void)0, *__atomic_load_ptr) __atomic_load_tmp; __atomic_load (__atomic_load_ptr, &__atomic_load_tmp, (5)); __atomic_load_tmp; }) > 0)) failed, back trace
> /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu2-Ubuntu.so(+0x32953)[0x7fbb5b941953]
> /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu2-Ubuntu.so(isc_assertion_failed+0x10)[0x7fbb5b940e40]
> /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu2-Ubuntu.so(isc__nmhandle_attach+0x67)[0x7fbb5b92a7e7]
> host(+0xea22)[0x55e9ea129a22]
> host(+0xee85)[0x55e9ea129e85]
> host(+0x117c0)[0x55e9ea12c7c0]
> /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu2-Ubuntu.so(isc__nm_async_readcb+0xb1)[0x7fbb5b92fff1]
> /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu2-Ubuntu.so(isc__nm_readcb+0x9b)[0x7fbb5b93012b]
> /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu2-Ubuntu.so(+0x2f980)[0x7fbb5b93e980]
> /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu2-Ubuntu.so(isc__nm_udp_read_cb+0x4a)[0x7fbb5b93eb1a]
> /lib/x86_64-linux-gnu/libuv.so.1(+0x23e6b)[0x7fbb5b457e6b]
> /lib/x86_64-linux-gnu/libuv.so.1(+0x2511e)[0x7fbb5b45911e]
> /lib/x86_64-linux-gnu/libuv.so.1(uv_run+0x678)[0x7fbb5b442c88]
> /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu2-Ubuntu.so(+0x2622e)[0x7fbb5b93522e]
> /lib/x86_64-linux-gnu/libisc-9.18.0-2ubuntu2-Ubuntu.so(isc__trampoline_run+0x1a)[0x7fbb5b96822a]
> /lib/x86_64-linux-gnu/libc.so.6(+0x98b43)[0x7fbb5b4feb43]
> /lib/x86_64-linux-gnu/libc.so.6(+0x12ab80)[0x7fbb5b590b80]
> Aborted (core dumped)
>
> Same in Debian unstable with bind 9.18.0-2:
>
> # host -v 192.108.254.91
> Trying "91.254.108.192.in-addr.arpa"
> Host 91.254.108.192.in-addr.arpa not found: 2(SERVFAIL)
> Received 45 bytes from 10.46.19.1#53 in 912 ms
> Trying "91.254.108.192.in-addr.arpa"
> Host 91.254.108.192.in-addr.arpa not found: 2(SERVFAIL)
> Received 45 bytes from 10.46.19.1#53 in 804 ms
> Trying "91.254.108.192.in-addr.arpa"
> netmgr/netmgr.c:1731: REQUIRE((((handle) != ((void *)0) && ((const isc__magic_t *)(handle))->magic == ((('N') << 24 | ('M') << 16 | ('H') << 8 | ('D')))) && __extension__ ({ __auto_type __atomic_load_ptr = (&(handle)->references); __typeof__ ((void)0, *__atomic_load_ptr) __atomic_load_tmp; __atomic_load (__atomic_load_ptr, &__atomic_load_tmp, (5)); __atomic_load_tmp; }) > 0)) failed, back trace
> /lib/x86_64-linux-gnu/libisc-9.18.0-2-Debian.so(+0x358df)[0x7fce568e68df]
> /lib/x86_64-linux-gnu/libisc-9.18.0-2-Debian.so(isc_assertion_failed+0xa)[0x7fce568e683a]
> /lib/x86_64-linux-gnu/libisc-9.18.0-2-Debian.so(isc__nmhandle_attach+0x63)[0x7fce568d0bd3]
> host(+0xe39a)[0x559b350c939a]
> host(+0xf295)[0x559b350ca295]
> host(+0x1173b)[0x559b350cc73b]
> /lib/x86_64-linux-gnu/libisc-9.18.0-2-Debian.so(isc__nm_async_readcb+0xad)[0x7fce568d408d]
> /lib/x86_64-linux-gnu/libisc-9.18.0-2-Debian.so(isc__nm_readcb+0x97)[0x7fce568d41b7]
> /lib/x86_64-linux-gnu/libisc-9.18.0-2-Debian.so(+0x31098)[0x7fce568e2098]
> /lib/x86_64-linux-gnu/libisc-9.18.0-2-Debian.so(isc__nm_udp_read_cb+0x46)[0x7fce568e3876]
> /lib/x86_64-linux-gnu/libuv.so.1(+0x1f08b)[0x7fce5641608b]
> /lib/x86_64-linux-gnu/libuv.so.1(+0x22e65)[0x7fce56419e65]
> /lib/x86_64-linux-gnu/libuv.so.1(uv_run+0x114)[0x7fce56406894]
> /lib/x86_64-linux-gnu/libisc-9.18.0-2-Debian.so(+0x249fa)[0x7fce568d59fa]
> /lib/x86_64-linux-gnu/libisc-9.18.0-2-Debian.so(isc__trampoline_run+0x16)[0x7fce5690e9a6]
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x7d80)[0x7fce56608d80]
> /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x7fce5652276f]
> Aborted (core dumped)
>
>To manage notifications about this bug go to:
>https://bugs.launchpad.net/ubuntu/+source/bind9/+bug/1964400/+subscriptions
>