From: Jonathan Wakely Date: Thu, 26 Sep 2019 16:08:33 +0000 (+0100) Subject: Fix array index error in address_v6 comparisons X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d5f7e04923c5fe55db12e7da006c41c3853b4ddb;p=gcc.git Fix array index error in address_v6 comparisons * include/experimental/internet (operator==, operator<): Fix loop condition to avoid reading past the end of the array. From-SVN: r276153 --- diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 5d2349bcb7b..8484a7e1249 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,5 +1,8 @@ 2019-09-26 Jonathan Wakely + * include/experimental/internet (operator==, operator<): Fix loop + condition to avoid reading past the end of the array. + * include/std/array: Remove references to profile mode. * include/std/bitset: Likewise. * include/std/deque: Likewise. diff --git a/libstdc++-v3/include/experimental/internet b/libstdc++-v3/include/experimental/internet index 44d757c3a97..929a747a250 100644 --- a/libstdc++-v3/include/experimental/internet +++ b/libstdc++-v3/include/experimental/internet @@ -539,7 +539,7 @@ namespace ip const auto& __aa = __a._M_bytes; const auto& __bb = __b._M_bytes; int __i = 0; - for (; __aa[__i] == __bb[__i] && __i < 16; ++__i) + for (; __i < 16 && __aa[__i] == __bb[__i]; ++__i) ; return __i == 16 ? __a.scope_id() == __b.scope_id() : false; } @@ -554,7 +554,7 @@ namespace ip const auto& __aa = __a._M_bytes; const auto& __bb = __b._M_bytes; int __i = 0; - for (; __aa[__i] == __bb[__i] && __i < 16; ++__i) + for (; __i < 16 && __aa[__i] == __bb[__i]; ++__i) ; return __i == 16 ? __a.scope_id() < __b.scope_id() : __aa[__i] < __bb[__i]; }