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authorLinus Torvalds <torvalds@linux-foundation.org>2008-04-07 19:15:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-07 19:15:35 -0700
commit7180c4c9e09888db0a188f729c96c6d7bd61fa83 (patch)
treeb084b95ae3fc985e6f6f21157c783700c829de9a
parent4c3b01f71181a52ab7735a7c52b1aa2232826075 (diff)
parent869ab5147e1eead890245cfd4f652ba282b6ac26 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6: SELinux: more GFP_NOFS fixups to prevent selinux from re-entering the fs code
-rw-r--r--security/selinux/hooks.c7
-rw-r--r--security/selinux/include/security.h3
-rw-r--r--security/selinux/ss/services.c12
3 files changed, 13 insertions, 9 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 820d07a60ab..89bb6d36c0a 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -1143,7 +1143,7 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent
}
len = INITCONTEXTLEN;
- context = kmalloc(len, GFP_KERNEL);
+ context = kmalloc(len, GFP_NOFS);
if (!context) {
rc = -ENOMEM;
dput(dentry);
@@ -1161,7 +1161,7 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent
}
kfree(context);
len = rc;
- context = kmalloc(len, GFP_KERNEL);
+ context = kmalloc(len, GFP_NOFS);
if (!context) {
rc = -ENOMEM;
dput(dentry);
@@ -1185,7 +1185,8 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent
rc = 0;
} else {
rc = security_context_to_sid_default(context, rc, &sid,
- sbsec->def_sid);
+ sbsec->def_sid,
+ GFP_NOFS);
if (rc) {
printk(KERN_WARNING "%s: context_to_sid(%s) "
"returned %d for dev=%s ino=%ld\n",
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index f7d2f03781f..44e12ec8809 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -86,7 +86,8 @@ int security_sid_to_context(u32 sid, char **scontext,
int security_context_to_sid(char *scontext, u32 scontext_len,
u32 *out_sid);
-int security_context_to_sid_default(char *scontext, u32 scontext_len, u32 *out_sid, u32 def_sid);
+int security_context_to_sid_default(char *scontext, u32 scontext_len,
+ u32 *out_sid, u32 def_sid, gfp_t gfp_flags);
int security_get_user_sids(u32 callsid, char *username,
u32 **sids, u32 *nel);
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index f3741860121..3f2bad28ee7 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -680,7 +680,8 @@ out:
}
-static int security_context_to_sid_core(char *scontext, u32 scontext_len, u32 *sid, u32 def_sid)
+static int security_context_to_sid_core(char *scontext, u32 scontext_len,
+ u32 *sid, u32 def_sid, gfp_t gfp_flags)
{
char *scontext2;
struct context context;
@@ -709,7 +710,7 @@ static int security_context_to_sid_core(char *scontext, u32 scontext_len, u32 *s
null suffix to the copy to avoid problems with the existing
attr package, which doesn't view the null terminator as part
of the attribute value. */
- scontext2 = kmalloc(scontext_len+1,GFP_KERNEL);
+ scontext2 = kmalloc(scontext_len+1, gfp_flags);
if (!scontext2) {
rc = -ENOMEM;
goto out;
@@ -809,7 +810,7 @@ out:
int security_context_to_sid(char *scontext, u32 scontext_len, u32 *sid)
{
return security_context_to_sid_core(scontext, scontext_len,
- sid, SECSID_NULL);
+ sid, SECSID_NULL, GFP_KERNEL);
}
/**
@@ -829,10 +830,11 @@ int security_context_to_sid(char *scontext, u32 scontext_len, u32 *sid)
* Returns -%EINVAL if the context is invalid, -%ENOMEM if insufficient
* memory is available, or 0 on success.
*/
-int security_context_to_sid_default(char *scontext, u32 scontext_len, u32 *sid, u32 def_sid)
+int security_context_to_sid_default(char *scontext, u32 scontext_len, u32 *sid,
+ u32 def_sid, gfp_t gfp_flags)
{
return security_context_to_sid_core(scontext, scontext_len,
- sid, def_sid);
+ sid, def_sid, gfp_flags);
}
static int compute_sid_handle_invalid_context(