diff options
author | acoul <acoul@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-11-18 14:58:37 +0000 |
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committer | acoul <acoul@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-11-18 14:58:37 +0000 |
commit | 9ded36e8ac1c3f66ecc736399f4ac88381a5ea64 (patch) | |
tree | 36f98cb56900b7d8514ec4b0a198abe243dc1f90 /toolchain/uClibc/patches-0.9.31/902-Fix-use-after-free-bug-in-__dns_lookup.patch | |
parent | d5e16218b99fd0274764aa4022c0b74ecae6145a (diff) |
toolchain/uClibc: push some upstream patches for uClibc-0.9.31. should resolve isses of #8269
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@24029 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'toolchain/uClibc/patches-0.9.31/902-Fix-use-after-free-bug-in-__dns_lookup.patch')
-rw-r--r-- | toolchain/uClibc/patches-0.9.31/902-Fix-use-after-free-bug-in-__dns_lookup.patch | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/toolchain/uClibc/patches-0.9.31/902-Fix-use-after-free-bug-in-__dns_lookup.patch b/toolchain/uClibc/patches-0.9.31/902-Fix-use-after-free-bug-in-__dns_lookup.patch deleted file mode 100644 index c33614afd..000000000 --- a/toolchain/uClibc/patches-0.9.31/902-Fix-use-after-free-bug-in-__dns_lookup.patch +++ /dev/null @@ -1,40 +0,0 @@ -From c602079e5b7ba998d1dd6cae4a305af80e6cba52 Mon Sep 17 00:00:00 2001 -From: Gabor Juhos <juhosg@openwrt.org> -Date: Tue, 23 Mar 2010 08:35:27 +0100 -Subject: [PATCH] Fix use-after-free bug in __dns_lookup. - -If the type of the first answer does not match with the requested type, -then the dotted name will be freed. If there are no further answers in -the DNS reply, this pointer will be used later on in the same function. -Additionally it is passed to the caller, and may cause strange behaviour. - -For example, the following busybox commands are triggering a segmentation -fault with uClibc 0.9.30.x - - - nslookup ipv6.google.com - - ping ipv6.google.com - - wget http//ipv6.google.com/ - -Signed-off-by: Gabor Juhos <juhosg@openwrt.org> - ---- - -See https://dev.openwrt.org/ticket/6886 for a testcase ---- - libc/inet/resolv.c | 4 +--- - 1 files changed, 1 insertions(+), 3 deletions(-) - ---- a/libc/inet/resolv.c -+++ b/libc/inet/resolv.c -@@ -1517,10 +1517,8 @@ int attribute_hidden __dns_lookup(const - memcpy(a, &ma, sizeof(ma)); - if (a->atype != T_SIG && (NULL == a->buf || (type != T_A && type != T_AAAA))) - break; -- if (a->atype != type) { -- free(a->dotted); -+ if (a->atype != type) - continue; -- } - a->add_count = h.ancount - j - 1; - if ((a->rdlength + sizeof(struct in_addr*)) * a->add_count > a->buflen) - break; |