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-rw-r--r--net/ipv4/cipso_ipv4.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index fc839f9148ec..ab56a052ce31 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -45,6 +45,7 @@
45#include <net/cipso_ipv4.h> 45#include <net/cipso_ipv4.h>
46#include <asm/atomic.h> 46#include <asm/atomic.h>
47#include <asm/bug.h> 47#include <asm/bug.h>
48#include <asm/unaligned.h>
48 49
49struct cipso_v4_domhsh_entry { 50struct cipso_v4_domhsh_entry {
50 char *domain; 51 char *domain;
@@ -1000,7 +1001,7 @@ static int cipso_v4_map_cat_enum_valid(const struct cipso_v4_doi *doi_def,
1000 return -EFAULT; 1001 return -EFAULT;
1001 1002
1002 for (iter = 0; iter < enumcat_len; iter += 2) { 1003 for (iter = 0; iter < enumcat_len; iter += 2) {
1003 cat = ntohs(*((__be16 *)&enumcat[iter])); 1004 cat = ntohs(get_unaligned((__be16 *)&enumcat[iter]));
1004 if (cat <= cat_prev) 1005 if (cat <= cat_prev)
1005 return -EFAULT; 1006 return -EFAULT;
1006 cat_prev = cat; 1007 cat_prev = cat;
@@ -1068,8 +1069,8 @@ static int cipso_v4_map_cat_enum_ntoh(const struct cipso_v4_doi *doi_def,
1068 1069
1069 for (iter = 0; iter < net_cat_len; iter += 2) { 1070 for (iter = 0; iter < net_cat_len; iter += 2) {
1070 ret_val = netlbl_secattr_catmap_setbit(secattr->mls_cat, 1071 ret_val = netlbl_secattr_catmap_setbit(secattr->mls_cat,
1071 ntohs(*((__be16 *)&net_cat[iter])), 1072 ntohs(get_unaligned((__be16 *)&net_cat[iter])),
1072 GFP_ATOMIC); 1073 GFP_ATOMIC);
1073 if (ret_val != 0) 1074 if (ret_val != 0)
1074 return ret_val; 1075 return ret_val;
1075 } 1076 }
@@ -1102,9 +1103,10 @@ static int cipso_v4_map_cat_rng_valid(const struct cipso_v4_doi *doi_def,
1102 return -EFAULT; 1103 return -EFAULT;
1103 1104
1104 for (iter = 0; iter < rngcat_len; iter += 4) { 1105 for (iter = 0; iter < rngcat_len; iter += 4) {
1105 cat_high = ntohs(*((__be16 *)&rngcat[iter])); 1106 cat_high = ntohs(get_unaligned((__be16 *)&rngcat[iter]));
1106 if ((iter + 4) <= rngcat_len) 1107 if ((iter + 4) <= rngcat_len)
1107 cat_low = ntohs(*((__be16 *)&rngcat[iter + 2])); 1108 cat_low = ntohs(
1109 get_unaligned((__be16 *)&rngcat[iter + 2]));
1108 else 1110 else
1109 cat_low = 0; 1111 cat_low = 0;
1110 1112
@@ -1201,9 +1203,10 @@ static int cipso_v4_map_cat_rng_ntoh(const struct cipso_v4_doi *doi_def,
1201 u16 cat_high; 1203 u16 cat_high;
1202 1204
1203 for (net_iter = 0; net_iter < net_cat_len; net_iter += 4) { 1205 for (net_iter = 0; net_iter < net_cat_len; net_iter += 4) {
1204 cat_high = ntohs(*((__be16 *)&net_cat[net_iter])); 1206 cat_high = ntohs(get_unaligned((__be16 *)&net_cat[net_iter]));
1205 if ((net_iter + 4) <= net_cat_len) 1207 if ((net_iter + 4) <= net_cat_len)
1206 cat_low = ntohs(*((__be16 *)&net_cat[net_iter + 2])); 1208 cat_low = ntohs(
1209 get_unaligned((__be16 *)&net_cat[net_iter + 2]));
1207 else 1210 else
1208 cat_low = 0; 1211 cat_low = 0;
1209 1212
@@ -1565,7 +1568,7 @@ int cipso_v4_validate(unsigned char **option)
1565 } 1568 }
1566 1569
1567 rcu_read_lock(); 1570 rcu_read_lock();
1568 doi_def = cipso_v4_doi_search(ntohl(*((__be32 *)&opt[2]))); 1571 doi_def = cipso_v4_doi_search(ntohl(get_unaligned((__be32 *)&opt[2])));
1569 if (doi_def == NULL) { 1572 if (doi_def == NULL) {
1570 err_offset = 2; 1573 err_offset = 2;
1571 goto validate_return_locked; 1574 goto validate_return_locked;
@@ -1856,7 +1859,7 @@ int cipso_v4_sock_getattr(struct sock *sk, struct netlbl_lsm_secattr *secattr)
1856 if (ret_val == 0) 1859 if (ret_val == 0)
1857 return ret_val; 1860 return ret_val;
1858 1861
1859 doi = ntohl(*(__be32 *)&cipso_ptr[2]); 1862 doi = ntohl(get_unaligned((__be32 *)&cipso_ptr[2]));
1860 rcu_read_lock(); 1863 rcu_read_lock();
1861 doi_def = cipso_v4_doi_search(doi); 1864 doi_def = cipso_v4_doi_search(doi);
1862 if (doi_def == NULL) { 1865 if (doi_def == NULL) {
@@ -1911,7 +1914,7 @@ int cipso_v4_skbuff_getattr(const struct sk_buff *skb,
1911 if (cipso_v4_cache_check(cipso_ptr, cipso_ptr[1], secattr) == 0) 1914 if (cipso_v4_cache_check(cipso_ptr, cipso_ptr[1], secattr) == 0)
1912 return 0; 1915 return 0;
1913 1916
1914 doi = ntohl(*(__be32 *)&cipso_ptr[2]); 1917 doi = ntohl(get_unaligned((__be32 *)&cipso_ptr[2]));
1915 rcu_read_lock(); 1918 rcu_read_lock();
1916 doi_def = cipso_v4_doi_search(doi); 1919 doi_def = cipso_v4_doi_search(doi);
1917 if (doi_def == NULL) 1920 if (doi_def == NULL)