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[package] busybox: fix hexdump segmentation fault with an empty leading format unit

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29156 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
jow 2011-11-15 17:38:55 +00:00
parent ccd11de0ba
commit 23bd1bd8c7
2 changed files with 14 additions and 1 deletions
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4
package/busybox/Makefile
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@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=busybox PKG_NAME:=busybox
PKG_VERSION:=1.19.3 PKG_VERSION:=1.19.3
PKG_RELEASE:=5 PKG_RELEASE:=6
PKG_FLAGS:=essential PKG_FLAGS:=essential
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
@ -72,6 +72,8 @@ ifdef CONFIG_BUSYBOX_USE_LIBRPC
LDLIBS += rpc LDLIBS += rpc
endif endif
TARGET_CFLAGS += -ggdb3
define Build/Compile define Build/Compile
$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \ $(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
CC="$(TARGET_CC)" \ CC="$(TARGET_CC)" \

11
package/busybox/patches/700-hexdump_segfault_fix.patch Normal file
View File

@ -0,0 +1,11 @@
--- a/libbb/dump.c
+++ b/libbb/dump.c
@@ -301,7 +301,7 @@ static NOINLINE void rewrite(priv_dumper
) {
fu->reps += (dumper->blocksize - fs->bcnt) / fu->bcnt;
}
- if (fu->reps > 1) {
+ if (fu->reps > 1 && fu->nextpr) {
for (pr = fu->nextpr;; pr = pr->nextpr)
if (!pr->nextpr)
break;