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authorIngo Molnar <mingo@elte.hu>2009-09-07 08:19:51 +0200
committerIngo Molnar <mingo@elte.hu>2009-09-07 08:19:51 +0200
commita1922ed661ab2c1637d0b10cde933bd9cd33d965 (patch)
tree0f1777542b385ebefd30b3586d830fd8ed6fda5b /fs/ecryptfs/keystore.c
parent75e33751ca8bbb72dd6f1a74d2810ddc8cbe4bdf (diff)
parentd28daf923ac5e4a0d7cecebae56f3e339189366b (diff)
Merge branch 'tracing/core' into tracing/hw-breakpoints
Conflicts: arch/Kconfig kernel/trace/trace.h Merge reason: resolve the conflicts, plus adopt to the new ring-buffer APIs. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/ecryptfs/keystore.c')
-rw-r--r--fs/ecryptfs/keystore.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c
index af737bb56cb..259525c9abb 100644
--- a/fs/ecryptfs/keystore.c
+++ b/fs/ecryptfs/keystore.c
@@ -1303,6 +1303,13 @@ parse_tag_3_packet(struct ecryptfs_crypt_stat *crypt_stat,
}
(*new_auth_tok)->session_key.encrypted_key_size =
(body_size - (ECRYPTFS_SALT_SIZE + 5));
+ if ((*new_auth_tok)->session_key.encrypted_key_size
+ > ECRYPTFS_MAX_ENCRYPTED_KEY_BYTES) {
+ printk(KERN_WARNING "Tag 3 packet contains key larger "
+ "than ECRYPTFS_MAX_ENCRYPTED_KEY_BYTES\n");
+ rc = -EINVAL;
+ goto out_free;
+ }
if (unlikely(data[(*packet_size)++] != 0x04)) {
printk(KERN_WARNING "Unknown version number [%d]\n",
data[(*packet_size) - 1]);
@@ -1449,6 +1456,12 @@ parse_tag_11_packet(unsigned char *data, unsigned char *contents,
rc = -EINVAL;
goto out;
}
+ if (unlikely((*tag_11_contents_size) > max_contents_bytes)) {
+ printk(KERN_ERR "Literal data section in tag 11 packet exceeds "
+ "expected size\n");
+ rc = -EINVAL;
+ goto out;
+ }
if (data[(*packet_size)++] != 0x62) {
printk(KERN_WARNING "Unrecognizable packet\n");
rc = -EINVAL;