!105 backport patches from upstream
From: @Linux_zhang2024 Reviewed-by: @HuaxinLuGitee Signed-off-by: @HuaxinLuGitee
This commit is contained in:
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commit
6fec4303fa
63
backport-libsepol-Initialize-strs-on-declaration.patch
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63
backport-libsepol-Initialize-strs-on-declaration.patch
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@ -0,0 +1,63 @@
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From cd8302f0a6f38671cc0265b8ebc2cd4ea4a7b61f Mon Sep 17 00:00:00 2001
|
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From: Vit Mojzis <vmojzis@redhat.com>
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Date: Wed, 23 Oct 2024 15:43:18 +0200
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Subject: [PATCH] libsepol: Initialize "strs" on declaration
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The value of "strs" was not always initialized before being used by
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strs_destroy.
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Fixes:
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Error: UNINIT (CWE-457):
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libsepol-3.7/src/kernel_to_cil.c:1439:2: var_decl: Declaring variable "strs" without initializer.
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libsepol-3.7/src/kernel_to_cil.c:1487:2: uninit_use_in_call: Using uninitialized value "strs" when calling "strs_destroy".
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\# 1485|
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\# 1486| exit:
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\# 1487|-> strs_destroy(&strs);
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\# 1488|
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\# 1489| if (rc != 0) {
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Error: UNINIT (CWE-457):
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libsepol-3.7/src/kernel_to_conf.c:1422:2: var_decl: Declaring variable "strs" without initializer.
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libsepol-3.7/src/kernel_to_conf.c:1461:2: uninit_use_in_call: Using uninitialized value "strs" when calling "strs_destroy".
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\# 1459|
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\# 1460| exit:
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\# 1461|-> strs_destroy(&strs);
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\# 1462|
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\# 1463| if (rc != 0) {
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Signed-off-by: Vit Mojzis <vmojzis@redhat.com>
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Acked-by: James Carter <jwcart2@gmail.com>
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---
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libsepol/src/kernel_to_cil.c | 2 +-
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libsepol/src/kernel_to_conf.c | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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diff --git a/libsepol/src/kernel_to_cil.c b/libsepol/src/kernel_to_cil.c
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index 7243b3c0..2d563e7d 100644
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--- a/libsepol/src/kernel_to_cil.c
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+++ b/libsepol/src/kernel_to_cil.c
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@@ -1436,7 +1436,7 @@ static int map_type_aliases_to_strs(char *key, void *data, void *args)
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static int write_type_alias_rules_to_cil(FILE *out, struct policydb *pdb)
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{
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type_datum_t *alias;
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- struct strs *strs;
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+ struct strs *strs = NULL;
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char *name;
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char *type;
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unsigned i, num = 0;
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diff --git a/libsepol/src/kernel_to_conf.c b/libsepol/src/kernel_to_conf.c
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index ca91ffae..661546af 100644
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--- a/libsepol/src/kernel_to_conf.c
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+++ b/libsepol/src/kernel_to_conf.c
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@@ -1419,7 +1419,7 @@ static int map_type_aliases_to_strs(char *key, void *data, void *args)
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static int write_type_alias_rules_to_conf(FILE *out, struct policydb *pdb)
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{
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type_datum_t *alias;
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- struct strs *strs;
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+ struct strs *strs = NULL;
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char *name;
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char *type;
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unsigned i, num = 0;
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--
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2.33.0
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@ -0,0 +1,40 @@
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From 6b5626fd30292b148fa8b732a38a03af1705b655 Mon Sep 17 00:00:00 2001
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From: Vit Mojzis <vmojzis@redhat.com>
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Date: Tue, 23 Jul 2024 16:41:57 +0200
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Subject: [PATCH] libsepol/cil: Check that sym_index is within bounds
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Make sure sym_index is within the bounds of symtab array before using it
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to index the array.
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Fixes:
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Error: OVERRUN (CWE-119):
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libsepol-3.6/cil/src/cil_resolve_ast.c:3157: assignment: Assigning: "sym_index" = "CIL_SYM_UNKNOWN".
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libsepol-3.6/cil/src/cil_resolve_ast.c:3189: overrun-call: Overrunning callee's array of size 19 by passing argument "sym_index" (which evaluates to 20) in call to "cil_resolve_name".
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\# 3187| switch (curr->flavor) {
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\# 3188| case CIL_STRING:
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\# 3189|-> rc = cil_resolve_name(parent, curr->data, sym_index, db, &res_datum);
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\# 3190| if (rc != SEPOL_OK) {
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\# 3191| goto exit;
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Signed-off-by: Vit Mojzis <vmojzis@redhat.com>
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Acked-by: James Carter <jwcart2@gmail.com>
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---
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libsepol/cil/src/cil_resolve_ast.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/libsepol/cil/src/cil_resolve_ast.c b/libsepol/cil/src/cil_resolve_ast.c
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index 427a320c..da8863c4 100644
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--- a/libsepol/cil/src/cil_resolve_ast.c
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+++ b/libsepol/cil/src/cil_resolve_ast.c
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@@ -4291,7 +4291,7 @@ int cil_resolve_name_keep_aliases(struct cil_tree_node *ast_node, char *name, en
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struct cil_db *db = args->db;
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struct cil_tree_node *node = NULL;
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- if (name == NULL) {
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+ if (name == NULL || sym_index >= CIL_SYM_NUM) {
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cil_log(CIL_ERR, "Invalid call to cil_resolve_name\n");
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goto exit;
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}
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--
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2.33.0
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@ -0,0 +1,81 @@
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From 0dac9813e1ea44d35b8bb8b72203ddb41c4ed751 Mon Sep 17 00:00:00 2001
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From: Vit Mojzis <vmojzis@redhat.com>
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Date: Wed, 23 Oct 2024 15:43:15 +0200
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Subject: [PATCH] libsepol/cil: Initialize avtab_datum on declaration
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avtab_datum.xperms was not always initialized before being used.
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Fixes:
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Error: UNINIT (CWE-457):
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libsepol-3.7/cil/src/cil_binary.c:977:2: var_decl: Declaring variable "avtab_datum" without initializer.
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libsepol-3.7/cil/src/cil_binary.c:1059:3: uninit_use_in_call: Using uninitialized value "avtab_datum". Field "avtab_datum.xperms" is uninitialized when calling "__cil_cond_insert_rule".
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\# 1057| }
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\# 1058| }
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\# 1059|-> rc = __cil_cond_insert_rule(&pdb->te_cond_avtab, &avtab_key, &avtab_datum, cond_node, cond_flavor);
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\# 1060| }
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Error: UNINIT (CWE-457):
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libsepol-3.7/cil/src/cil_binary.c:1348:2: var_decl: Declaring variable "avtab_datum" without initializer.
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libsepol-3.7/cil/src/cil_binary.c:1384:3: uninit_use_in_call: Using uninitialized value "avtab_datum". Field "avtab_datum.xperms" is uninitialized when calling "__cil_cond_insert_rule".
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\# 1382| } else {
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\# 1383| avtab_datum.data = data;
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\# 1384|-> rc = __cil_cond_insert_rule(&pdb->te_cond_avtab, &avtab_key, &avtab_datum, cond_node, cond_flavor);
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\# 1385| }
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\# 1386|
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Signed-off-by: Vit Mojzis <vmojzis@redhat.com>
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Acked-by: James Carter <jwcart2@gmail.com>
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---
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libsepol/cil/src/cil_binary.c | 8 ++------
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1 file changed, 2 insertions(+), 6 deletions(-)
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diff --git a/libsepol/cil/src/cil_binary.c b/libsepol/cil/src/cil_binary.c
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index 3dec1883..3d920182 100644
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--- a/libsepol/cil/src/cil_binary.c
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+++ b/libsepol/cil/src/cil_binary.c
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@@ -975,7 +975,7 @@ static int __cil_insert_type_rule(policydb_t *pdb, uint32_t kind, uint32_t src,
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{
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int rc = SEPOL_OK;
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avtab_key_t avtab_key;
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- avtab_datum_t avtab_datum;
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+ avtab_datum_t avtab_datum = { .data = res, .xperms = NULL };
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avtab_ptr_t existing;
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avtab_key.source_type = src;
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@@ -997,8 +997,6 @@ static int __cil_insert_type_rule(policydb_t *pdb, uint32_t kind, uint32_t src,
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goto exit;
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}
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- avtab_datum.data = res;
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-
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existing = avtab_search_node(&pdb->te_avtab, &avtab_key);
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if (existing) {
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/* Don't add duplicate type rule and warn if they conflict.
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@@ -1346,7 +1344,7 @@ static int __cil_insert_avrule(policydb_t *pdb, uint32_t kind, uint32_t src, uin
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{
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int rc = SEPOL_OK;
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avtab_key_t avtab_key;
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- avtab_datum_t avtab_datum;
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+ avtab_datum_t avtab_datum = { .data = data, .xperms = NULL };
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avtab_datum_t *avtab_dup = NULL;
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avtab_key.source_type = src;
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@@ -1372,7 +1370,6 @@ static int __cil_insert_avrule(policydb_t *pdb, uint32_t kind, uint32_t src, uin
|
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if (!cond_node) {
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avtab_dup = avtab_search(&pdb->te_avtab, &avtab_key);
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if (!avtab_dup) {
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- avtab_datum.data = data;
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rc = avtab_insert(&pdb->te_avtab, &avtab_key, &avtab_datum);
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} else {
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if (kind == CIL_AVRULE_DONTAUDIT)
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@@ -1381,7 +1378,6 @@ static int __cil_insert_avrule(policydb_t *pdb, uint32_t kind, uint32_t src, uin
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avtab_dup->data |= data;
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}
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} else {
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- avtab_datum.data = data;
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rc = __cil_cond_insert_rule(&pdb->te_cond_avtab, &avtab_key, &avtab_datum, cond_node, cond_flavor);
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}
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--
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2.33.0
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@ -0,0 +1,40 @@
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From 00fb52ce34773c34591166fd58b2f3d035ff47c9 Mon Sep 17 00:00:00 2001
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From: Vit Mojzis <vmojzis@redhat.com>
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Date: Wed, 23 Oct 2024 15:43:17 +0200
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Subject: [PATCH] libsepol/cil/cil_post: Initialize tmp on declaration
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tmp.node was not always initialized before being used by
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ebitmap_destroy.
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Fixes:
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Error: UNINIT (CWE-457):
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libsepol-3.7/cil/src/cil_post.c:1309:2: var_decl: Declaring variable "tmp" without initializer.
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libsepol-3.7/cil/src/cil_post.c:1382:6: uninit_use_in_call: Using uninitialized value "tmp.node" when calling "ebitmap_destroy".
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\# 1380| if (rc != SEPOL_OK) {
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\# 1381| cil_log(CIL_INFO, "Failed to apply operator to bitmaps\n");
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\# 1382|-> ebitmap_destroy(&tmp);
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\# 1383| goto exit;
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\# 1384| }
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Signed-off-by: Vit Mojzis <vmojzis@redhat.com>
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Acked-by: James Carter <jwcart2@gmail.com>
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---
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libsepol/cil/src/cil_post.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/libsepol/cil/src/cil_post.c b/libsepol/cil/src/cil_post.c
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index ac99997f..d63a5496 100644
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--- a/libsepol/cil/src/cil_post.c
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+++ b/libsepol/cil/src/cil_post.c
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@@ -1315,6 +1315,8 @@ static int __cil_expr_to_bitmap(struct cil_list *expr, ebitmap_t *out, int max,
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curr = expr->head;
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flavor = expr->flavor;
|
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+ ebitmap_init(&tmp);
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+
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if (curr->flavor == CIL_OP) {
|
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enum cil_flavor op = (enum cil_flavor)(uintptr_t)curr->data;
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--
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2.33.0
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@ -0,0 +1,74 @@
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From 575d1cfaac7d58b7333580fdc6203c166b89e271 Mon Sep 17 00:00:00 2001
|
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From: Vit Mojzis <vmojzis@redhat.com>
|
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Date: Wed, 23 Oct 2024 15:43:16 +0200
|
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Subject: [PATCH] libsepol/mls: Do not destroy context on memory error
|
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In case of malloc error, ctx1, or ctx2 may be pointing to uninitialized
|
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space and context_destroy should not be used on it.
|
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|
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Fixes:
|
||||
Error: UNINIT (CWE-457):
|
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libsepol-3.7/src/mls.c:673:2: alloc_fn: Calling "malloc" which returns uninitialized memory.
|
||||
libsepol-3.7/src/mls.c:673:2: assign: Assigning: "ctx1" = "malloc(64UL)", which points to uninitialized data.
|
||||
libsepol-3.7/src/mls.c:699:2: uninit_use_in_call: Using uninitialized value "ctx1->range.level[0].cat.node" when calling "context_destroy".
|
||||
\# 697| ERR(handle, "could not check if mls context %s contains %s",
|
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\# 698| mls1, mls2);
|
||||
\# 699|-> context_destroy(ctx1);
|
||||
\# 700| context_destroy(ctx2);
|
||||
\# 701| free(ctx1);
|
||||
|
||||
Error: UNINIT (CWE-457):
|
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libsepol-3.7/src/mls.c:674:2: alloc_fn: Calling "malloc" which returns uninitialized memory.
|
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libsepol-3.7/src/mls.c:674:2: assign: Assigning: "ctx2" = "malloc(64UL)", which points to uninitialized data.
|
||||
libsepol-3.7/src/mls.c:700:2: uninit_use_in_call: Using uninitialized value "ctx2->range.level[0].cat.node" when calling "context_destroy".
|
||||
\# 698| mls1, mls2);
|
||||
\# 699| context_destroy(ctx1);
|
||||
\# 700|-> context_destroy(ctx2);
|
||||
\# 701| free(ctx1);
|
||||
\# 702| free(ctx2);
|
||||
|
||||
Signed-off-by: Vit Mojzis <vmojzis@redhat.com>
|
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Acked-by: James Carter <jwcart2@gmail.com>
|
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---
|
||||
libsepol/src/mls.c | 12 ++++++------
|
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1 file changed, 6 insertions(+), 6 deletions(-)
|
||||
|
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diff --git a/libsepol/src/mls.c b/libsepol/src/mls.c
|
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index 45db8920..a37405d1 100644
|
||||
--- a/libsepol/src/mls.c
|
||||
+++ b/libsepol/src/mls.c
|
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@@ -672,8 +672,10 @@ int sepol_mls_contains(sepol_handle_t * handle,
|
||||
context_struct_t *ctx1 = NULL, *ctx2 = NULL;
|
||||
ctx1 = malloc(sizeof(context_struct_t));
|
||||
ctx2 = malloc(sizeof(context_struct_t));
|
||||
- if (ctx1 == NULL || ctx2 == NULL)
|
||||
+ if (ctx1 == NULL || ctx2 == NULL){
|
||||
+ ERR(handle, "out of memory");
|
||||
goto omem;
|
||||
+ }
|
||||
context_init(ctx1);
|
||||
context_init(ctx2);
|
||||
|
||||
@@ -690,16 +692,14 @@ int sepol_mls_contains(sepol_handle_t * handle,
|
||||
free(ctx2);
|
||||
return STATUS_SUCCESS;
|
||||
|
||||
- omem:
|
||||
- ERR(handle, "out of memory");
|
||||
-
|
||||
err:
|
||||
- ERR(handle, "could not check if mls context %s contains %s",
|
||||
- mls1, mls2);
|
||||
context_destroy(ctx1);
|
||||
context_destroy(ctx2);
|
||||
+ omem:
|
||||
free(ctx1);
|
||||
free(ctx2);
|
||||
+ ERR(handle, "could not check if mls context %s contains %s",
|
||||
+ mls1, mls2);
|
||||
return STATUS_ERR;
|
||||
}
|
||||
|
||||
--
|
||||
2.33.0
|
||||
|
||||
@ -0,0 +1,51 @@
|
||||
From 1f080ffd7ab24b0ad2b46f79db63d62c2ae2747c Mon Sep 17 00:00:00 2001
|
||||
From: Vit Mojzis <vmojzis@redhat.com>
|
||||
Date: Fri, 19 Jul 2024 18:17:13 +0200
|
||||
Subject: [PATCH] libsepol/sepol_compute_sid: Do not destroy uninitialized
|
||||
context
|
||||
MIME-Version: 1.0
|
||||
Content-Type: text/plain; charset=UTF-8
|
||||
Content-Transfer-Encoding: 8bit
|
||||
|
||||
Avoid context_destroy() on "newcontext" before context_init() is called.
|
||||
|
||||
Fixes:
|
||||
libsepol-3.6/src/services.c:1335: var_decl: Declaring variable "newcontext" without initializer.
|
||||
libsepol-3.6/src/services.c:1462: uninit_use_in_call: Using uninitialized value "newcontext.range.level[0].cat.node" when calling "context_destroy".
|
||||
\# 1460| rc = sepol_sidtab_context_to_sid(sidtab, &newcontext, out_sid);
|
||||
\# 1461| out:
|
||||
\# 1462|-> context_destroy(&newcontext);
|
||||
\# 1463| return rc;
|
||||
\# 1464| }
|
||||
|
||||
Signed-off-by: Vit Mojzis <vmojzis@redhat.com>
|
||||
Reviewed-by: Christian Göttsche <cgzones@googlemail.com>
|
||||
Acked-by: Stephen Smalley <stephen.smalley.work@gmail.com>
|
||||
---
|
||||
libsepol/src/services.c | 6 ++----
|
||||
1 file changed, 2 insertions(+), 4 deletions(-)
|
||||
|
||||
diff --git a/libsepol/src/services.c b/libsepol/src/services.c
|
||||
index 36e2368f..f3231f17 100644
|
||||
--- a/libsepol/src/services.c
|
||||
+++ b/libsepol/src/services.c
|
||||
@@ -1362,14 +1362,12 @@ static int sepol_compute_sid(sepol_security_id_t ssid,
|
||||
scontext = sepol_sidtab_search(sidtab, ssid);
|
||||
if (!scontext) {
|
||||
ERR(NULL, "unrecognized SID %d", ssid);
|
||||
- rc = -EINVAL;
|
||||
- goto out;
|
||||
+ return -EINVAL;
|
||||
}
|
||||
tcontext = sepol_sidtab_search(sidtab, tsid);
|
||||
if (!tcontext) {
|
||||
ERR(NULL, "unrecognized SID %d", tsid);
|
||||
- rc = -EINVAL;
|
||||
- goto out;
|
||||
+ return -EINVAL;
|
||||
}
|
||||
|
||||
if (tclass && tclass <= policydb->p_classes.nprim)
|
||||
--
|
||||
2.33.0
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
Name: libsepol
|
||||
Version: 3.5
|
||||
Release: 4
|
||||
Release: 5
|
||||
Summary: SELinux binary policy manipulation library
|
||||
License: LGPLv2+
|
||||
URL: https://github.com/SELinuxProject/selinux/wiki/Releases
|
||||
@ -34,6 +34,12 @@ Patch0025: backport-libsepol-ensure-transitivity-in-compare-functions.patch
|
||||
Patch0026: backport-libsepol-cil-ensure-transitivity-in-compare-functions.patch
|
||||
Patch0027: backport-libsepol-cil-Check-common-perms-when-verifiying-all.patch
|
||||
Patch0028: backport-libsepol-cil-Fix-detected-RESOURCE_LEAK-CWE-772.patch
|
||||
Patch0029: backport-libsepol-sepol_compute_sid-Do-not-destroy-uninitiali.patch
|
||||
Patch0030: backport-libsepol-cil-Check-that-sym_index-is-within-bounds.patch
|
||||
Patch0031: backport-libsepol-Initialize-strs-on-declaration.patch
|
||||
Patch0032: backport-libsepol-mls-Do-not-destroy-context-on-memory-error.patch
|
||||
Patch0033: backport-libsepol-cil-cil_post-Initialize-tmp-on-declaration.patch
|
||||
Patch0034: backport-libsepol-cil-Initialize-avtab_datum-on-declaration.patch
|
||||
|
||||
BuildRequires: gcc flex
|
||||
|
||||
@ -94,6 +100,9 @@ make DESTDIR="%{buildroot}" LIBDIR="%{_libdir}" SHLIBDIR="%{_libdir}" install
|
||||
%{_mandir}/man3/*
|
||||
|
||||
%changelog
|
||||
* Tue Mar 18 2025 Linux_zhang <zhangruifang@h-partners.com> - 3.5-5
|
||||
- backport patches from upstream
|
||||
|
||||
* Tue Oct 15 2024 yanglongkang <yanglongkang@h-partners.com> - 3.5-4
|
||||
- backport bugfix from upstream
|
||||
|
||||
|
||||
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Reference in New Issue
Block a user