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| author | Florian Weimer <fweimer@redhat.com> | 2017-10-19 10:44:31 +0200 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2018-01-04 13:01:31 +0100 |
| commit | fc7ef00f02ee41452245926a4f7ff2073711db33 (patch) | |
| tree | b1e0d082f807e44c6297b4e2754126bc40bd43a0 /ChangeLog | |
| parent | 8f8022df0773f4867d91068dce71539a4d1574ca (diff) | |
| download | glibc-fc7ef00f02ee41452245926a4f7ff2073711db33.tar.gz | |
nss_files: Avoid large buffers with many host addresses [BZ #22078]
The previous implementation had at least a quadratic space
requirement in the number of host addresses and aliases.
(cherry picked from commit d8425e116cdd954fea0c04c0f406179b5daebbb3)
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 10 |
1 files changed, 10 insertions, 0 deletions
@@ -1,5 +1,15 @@ 2017-10-11 Florian Weimer <fweimer@redhat.com> + [BZ #22078] + Avoid large NSS buffers with many addresses, aliases. + * nss/nss_files/files-hosts.c (gethostbyname3_multi): Rewrite + using dynarrays and struct alloc_buffer. + * nss/Makefile (tests): Add tst-nss-files-hosts-multi. + (tst-nss-files-hosts-multi): Link with -ldl. + * nss/tst-nss-files-hosts-multi.c: New file. + +2017-10-11 Florian Weimer <fweimer@redhat.com> + [BZ #18023] * nss/nss_files/files-hosts.c (gethostbyname3_multi): Use struct scratch_buffer. Eliminate gotos. |