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nss: Fix tst-nss-files-hosts-long on single-stack hosts (bug 24816)

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getent implicitly passes AI_ADDRCONFIG to getaddrinfo by default.
Use --no-addrconfig to suppress that, so that both IPv4 and IPv6
lookups succeed even if the address family is not supported by the
host.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit c75d20b5b2)
This commit is contained in:
Florian Weimer 2022-09-13 16:11:40 +02:00
parent c95ef423d7
commit 16c7ed6e68
2 changed files with 6 additions and 4 deletions
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1
NEWS
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@ -55,6 +55,7 @@ The following bugs are resolved with this release:
[19193] nptl: pthread_kill, pthread_cancel should not fail after exit
[22542] CVE-2022-23219: Buffer overflow in sunrpc clnt_create for "unix"
[23734] la_symbind*() doesn't get called when LD_BIND_NOW is set
[24816] Fix tst-nss-files-hosts-long on single-stack hosts
[25812] Libio vtable protection is sometimes only partially enforced
[26643] register x8 and quad sized NEON registers are not properly
saved when using ld_audit on aarch64

9
nss/tst-nss-files-hosts-long.c
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@ -28,14 +28,15 @@ do_test (void)
{
int ret;
/* Run getent to fetch the IPv4 address for host test4.
This forces /etc/hosts to be parsed. */
ret = system("getent ahostsv4 test4");
/* Run getent to fetch the IPv4 address for host test4. This forces
/etc/hosts to be parsed. Use --no-addrconfig to return addresses
even in an IPv6-only environment. */
ret = system("getent --no-addrconfig ahostsv4 test4");
if (ret != 0)
FAIL_EXIT1("ahostsv4 failed");
/* Likewise for IPv6. */
ret = system("getent ahostsv6 test6");
ret = system("getent --no-addrconfig ahostsv6 test6");
if (ret != 0)
FAIL_EXIT1("ahostsv6 failed");