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bctoolbox: bctoolbox: fix use-after-free
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parent
20ed996af9
commit
a8a7e27ac7
3 changed files with 54 additions and 1 deletions
24
srcpkgs/bctoolbox/patches/map-use-after-free.patch
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24
srcpkgs/bctoolbox/patches/map-use-after-free.patch
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@ -0,0 +1,24 @@
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bctbx_iterator_ullong_get_next always return its input
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return a newly allocated memory buffer instead.
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changes modeled after bctbx_map_begin_type<T>
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Index: bctoolbox-5.1.17/src/containers/map.cc
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===================================================================
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--- bctoolbox-5.1.17.orig/src/containers/map.cc
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+++ bctoolbox-5.1.17/src/containers/map.cc
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@@ -229,12 +229,16 @@ extern "C" bctbx_iterator_t *bctbx_itera
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return bctbx_iterator_get_next_type<mmap_cchar_t>(it);
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}
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extern "C" bctbx_iterator_t *bctbx_iterator_ullong_get_next_and_delete(bctbx_iterator_t *it) {
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+ typedef mmap_ullong_t::iterator iterator;
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bctbx_iterator_t * next = bctbx_iterator_ullong_get_next(it);
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+ next = (bctbx_iterator_t *)(new iterator(*((iterator *)(next))));
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bctbx_iterator_ullong_delete(it);
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return next;
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}
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extern "C" bctbx_iterator_t *bctbx_iterator_cchar_get_next_and_delete(bctbx_iterator_t *it) {
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+ typedef mmap_cchar_t::iterator iterator;
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bctbx_iterator_t * next = bctbx_iterator_cchar_get_next(it);
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+ next = (bctbx_iterator_t *)(new iterator(*((iterator *)(next))));
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bctbx_iterator_cchar_delete(it);
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return next;
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}
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29
srcpkgs/bctoolbox/patches/use-after-realloc.patch
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29
srcpkgs/bctoolbox/patches/use-after-realloc.patch
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@ -0,0 +1,29 @@
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Index: bctoolbox-5.1.17/src/utils/port.c
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===================================================================
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--- bctoolbox-5.1.17.orig/src/utils/port.c
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+++ bctoolbox-5.1.17/src/utils/port.c
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@@ -398,6 +398,7 @@ char * WSAAPI gai_strerror(int errnum){
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#include <netdb.h>
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#include <sys/un.h>
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#include <sys/stat.h>
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+#include <stddef.h>
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static char *make_pipe_name(const char *name){
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return bctbx_strdup_printf("/tmp/%s",name);
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@@ -1508,6 +1509,7 @@ char * bctbx_concat(const char *str, ...
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/* Resize the allocated memory if necessary. */
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if (wp + len + 1 > result + allocated)
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{
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+ ptrdiff_t offset = wp - result;
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allocated = (allocated + len) * 2;
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newp = (char *) realloc (result, allocated);
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if (newp == NULL)
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@@ -1515,7 +1517,7 @@ char * bctbx_concat(const char *str, ...
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free (result);
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return NULL;
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}
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- wp = newp + (wp - result);
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+ wp = newp + offset;
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result = newp;
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}
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memcpy (wp, s, len);
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@ -1,7 +1,7 @@
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# Template file for 'bctoolbox'
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pkgname=bctoolbox
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version=5.1.17
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revision=1
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revision=2
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build_style=cmake
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configure_args="-DENABLE_TESTS=ON -DENABLE_TESTS_COMPONENT=FALSE
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-DCMAKE_MODULE_PATH=/usr/lib/cmake"
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