1 files changed, 135 insertions, 0 deletions

diff --git a/meta/recipes-devtools/squashfs-tools/files/CVE-2021-41072-requisite-1.patch b/meta/recipes-devtools/squashfs-tools/files/CVE-2021-41072-requisite-1.patch
new file mode 100644
index 0000000000..d01b5c6871
--- /dev/null
+++ b/meta/recipes-devtools/squashfs-tools/files/CVE-2021-41072-requisite-1.patch
@@ -0,0 +1,135 @@
+The commit is required by the fix for CVE-2021-41072.
+
+Upstream-Status: Backport [https://github.com/plougher/squashfs-tools/commit/80b8441]
+
+Signed-off-by: Kai Kang <kai.kang@windriver.com>
+
+From 80b8441a37fcf8bf07dacf24d9d6c6459a0f6e36 Mon Sep 17 00:00:00 2001
+From: Phillip Lougher <phillip@squashfs.org.uk>
+Date: Sun, 12 Sep 2021 19:58:19 +0100
+Subject: [PATCH] unsquashfs: use squashfs_closedir() to delete directory
+
+Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk>
+---
+ squashfs-tools/unsquash-1.c    |  3 +--
+ squashfs-tools/unsquash-1234.c | 11 +++++++++--
+ squashfs-tools/unsquash-2.c    |  3 +--
+ squashfs-tools/unsquash-3.c    |  3 +--
+ squashfs-tools/unsquash-4.c    |  3 +--
+ squashfs-tools/unsquashfs.c    |  7 -------
+ squashfs-tools/unsquashfs.h    |  1 +
+ 7 files changed, 14 insertions(+), 17 deletions(-)
+
+diff --git a/squashfs-tools/unsquash-1.c b/squashfs-tools/unsquash-1.c
+index acba821..7598499 100644
+--- a/squashfs-tools/unsquash-1.c
++++ b/squashfs-tools/unsquash-1.c
+@@ -373,8 +373,7 @@ static struct dir *squashfs_opendir(unsigned int block_start, unsigned int offse
+        return dir;
+ 
+ corrupted:
+-       free(dir->dirs);
+-       free(dir);
++       squashfs_closedir(dir);
+        return NULL;
+ }
+ 
+diff --git a/squashfs-tools/unsquash-1234.c b/squashfs-tools/unsquash-1234.c
+index c2d4f42..0c8dfbb 100644
+--- a/squashfs-tools/unsquash-1234.c
++++ b/squashfs-tools/unsquash-1234.c
+@@ -25,8 +25,8 @@
+  * unsquash-4.
+  */
+ 
+-#define TRUE 1
+-#define FALSE 0
++#include "unsquashfs.h"
++
+ /*
+  * Check name for validity, name should not
+  *  - be ".", "./", or
+@@ -56,3 +56,10 @@ int check_name(char *name, int size)
+ 
+        return TRUE;
+ }
++
++
++void squashfs_closedir(struct dir *dir)
++{
++       free(dir->dirs);
++       free(dir);
++}
+diff --git a/squashfs-tools/unsquash-2.c b/squashfs-tools/unsquash-2.c
+index 0746b3d..86f62ba 100644
+--- a/squashfs-tools/unsquash-2.c
++++ b/squashfs-tools/unsquash-2.c
+@@ -465,8 +465,7 @@ static struct dir *squashfs_opendir(unsigned int block_start, unsigned int offse
+        return dir;
+ 
+ corrupted:
+-       free(dir->dirs);
+-       free(dir);
++       squashfs_closedir(dir);
+        return NULL;
+ }
+ 
+diff --git a/squashfs-tools/unsquash-3.c b/squashfs-tools/unsquash-3.c
+index 094caaa..c04aa9e 100644
+--- a/squashfs-tools/unsquash-3.c
++++ b/squashfs-tools/unsquash-3.c
+@@ -499,8 +499,7 @@ static struct dir *squashfs_opendir(unsigned int block_start, unsigned int offse
+        return dir;
+ 
+ corrupted:
+-       free(dir->dirs);
+-       free(dir);
++       squashfs_closedir(dir);
+        return NULL;
+ }
+ 
+diff --git a/squashfs-tools/unsquash-4.c b/squashfs-tools/unsquash-4.c
+index 3a1b9e1..ff62dcc 100644
+--- a/squashfs-tools/unsquash-4.c
++++ b/squashfs-tools/unsquash-4.c
+@@ -436,8 +436,7 @@ static struct dir *squashfs_opendir(unsigned int block_start, unsigned int offse
+        return dir;
+ 
+ corrupted:
+-       free(dir->dirs);
+-       free(dir);
++       squashfs_closedir(dir);
+        return NULL;
+ }
+ 
+diff --git a/squashfs-tools/unsquashfs.c b/squashfs-tools/unsquashfs.c
+index 7b590bd..04be53c 100644
+--- a/squashfs-tools/unsquashfs.c
++++ b/squashfs-tools/unsquashfs.c
+@@ -1350,13 +1350,6 @@ unsigned int *offset, unsigned int *type)
+ }
+ 
+ 
+-void squashfs_closedir(struct dir *dir)
+-{
+-       free(dir->dirs);
+-       free(dir);
+-}
+-
+-
+ char *get_component(char *target, char **targname)
+ {
+        char *start;
+diff --git a/squashfs-tools/unsquashfs.h b/squashfs-tools/unsquashfs.h
+index 2e9201c..5ecb2ab 100644
+--- a/squashfs-tools/unsquashfs.h
++++ b/squashfs-tools/unsquashfs.h
+@@ -291,4 +291,5 @@ extern long long *alloc_index_table(int);
+ 
+ /* unsquash-1234.c */
+ extern int check_name(char *, int);
++extern void squashfs_closedir(struct dir *);
+ #endif
+-- 
+2.17.1
+