diff options
Diffstat (limited to 'meta/recipes-core/busybox/busybox/0001-ifconfig-fix-double-free-fatal-error-in-INET_sprint.patch')
| -rw-r--r-- | meta/recipes-core/busybox/busybox/0001-ifconfig-fix-double-free-fatal-error-in-INET_sprint.patch | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/meta/recipes-core/busybox/busybox/0001-ifconfig-fix-double-free-fatal-error-in-INET_sprint.patch b/meta/recipes-core/busybox/busybox/0001-ifconfig-fix-double-free-fatal-error-in-INET_sprint.patch deleted file mode 100644 index 2d729b1b05..0000000000 --- a/meta/recipes-core/busybox/busybox/0001-ifconfig-fix-double-free-fatal-error-in-INET_sprint.patch +++ /dev/null @@ -1,67 +0,0 @@ -From a97777889328157bb7d06ec618bad16712a9c345 Mon Sep 17 00:00:00 2001 -From: Denys Vlasenko <vda.linux@googlemail.com> -Date: Tue, 3 Feb 2015 12:11:30 +0100 -Subject: [PATCH] ifconfig: fix double free fatal error in INET_sprint - -Derived from: -http://git.busybox.net/busybox/commit/?id=a97777889328157bb7d06ec618bad16712a9c345. - -While INET_sprint or INET6_sprint is called circularly by keeping -ifconfiging, sap->sa_family would be cleaned by other parallel processes -such as dhclient sometimes, and then there would be a double free error -like the following: - - *** glibc detected *** ifconfig: double free or corruption (fasttop): 0x000a6008 *** - ======= Backtrace: ========= - /lib/libc.so.6(+0x6bc84)[0x40133c84] - /lib/libc.so.6(cfree+0x94)[0x40138684] - ifconfig[0x1c460] - ifconfig[0x1c6a0] - ifconfig[0x1ccf4] - ifconfig[0x187c8] - ifconfig[0xd544] - ifconfig[0xd5dc] - ifconfig[0xdca8] - /lib/libc.so.6(__libc_start_main+0x110)[0x400df258] - ======= Memory map: ======== - 00008000-0009c000 r-xp 00000000 1f:05 444328 /bin/busybox - 000a3000-000a4000 rw-p 00093000 1f:05 444328 /bin/busybox - -This patch moved free() two lines down to address this problem. - -Upstream-Status: Backport - -Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> ---- - networking/interface.c | 4 ++-- - 1 file changed, 2 insertions(+), 2 deletions(-) - -diff --git a/networking/interface.c b/networking/interface.c -index bf7d2b1..b0572d0 100644 ---- a/networking/interface.c -+++ b/networking/interface.c -@@ -91,9 +91,9 @@ static const char* FAST_FUNC INET_sprint(struct sockaddr *sap, int numeric) - { - static char *buff; /* defaults to NULL */ - -- free(buff); - if (sap->sa_family == 0xFFFF || sap->sa_family == 0) - return "[NONE SET]"; -+ free(buff); - buff = INET_rresolve((struct sockaddr_in *) sap, numeric, 0xffffff00); - return buff; - } -@@ -173,9 +173,9 @@ static const char* FAST_FUNC INET6_sprint(struct sockaddr *sap, int numeric) - { - static char *buff; - -- free(buff); - if (sap->sa_family == 0xFFFF || sap->sa_family == 0) - return "[NONE SET]"; -+ free(buff); - buff = INET6_rresolve((struct sockaddr_in6 *) sap, numeric); - return buff; - } --- -1.8.3.4 - |