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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-11 10:01:41 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-11 10:01:41 -0700
commit3296ca27f50ecbd71db1d808c7a72d311027f919 (patch)
tree833eaa58b2013bda86d4bd95faf6efad7a2d5ca4 /kernel/ptrace.c
parente893123c7378192c094747dadec326b7c000c190 (diff)
parent73fbad283cfbbcf02939bdbda31fc4a30e729cca (diff)
downloadlinux-2.6.34-ux500-3296ca27f50ecbd71db1d808c7a72d311027f919.tar.gz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: (44 commits) nommu: Provide mmap_min_addr definition. TOMOYO: Add description of lists and structures. TOMOYO: Remove unused field. integrity: ima audit dentry_open failure TOMOYO: Remove unused parameter. security: use mmap_min_addr indepedently of security models TOMOYO: Simplify policy reader. TOMOYO: Remove redundant markers. SELinux: define audit permissions for audit tree netlink messages TOMOYO: Remove unused mutex. tomoyo: avoid get+put of task_struct smack: Remove redundant initialization. integrity: nfsd imbalance bug fix rootplug: Remove redundant initialization. smack: do not beyond ARRAY_SIZE of data integrity: move ima_counts_get integrity: path_check update IMA: Add __init notation to ima functions IMA: Minimal IMA policy and boot param for TCB IMA policy selinux: remove obsolete read buffer limit from sel_read_bool ...
Diffstat (limited to 'kernel/ptrace.c')
-rw-r--r--kernel/ptrace.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 2442d140bd9..f6d8b8cb5e3 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -175,10 +175,11 @@ int ptrace_attach(struct task_struct *task)
if (same_thread_group(task, current))
goto out;
- /* Protect exec's credential calculations against our interference;
- * SUID, SGID and LSM creds get determined differently under ptrace.
+ /* Protect the target's credential calculations against our
+ * interference; SUID, SGID and LSM creds get determined differently
+ * under ptrace.
*/
- retval = mutex_lock_interruptible(&task->cred_exec_mutex);
+ retval = mutex_lock_interruptible(&task->cred_guard_mutex);
if (retval < 0)
goto out;
@@ -222,7 +223,7 @@ repeat:
bad:
write_unlock_irqrestore(&tasklist_lock, flags);
task_unlock(task);
- mutex_unlock(&task->cred_exec_mutex);
+ mutex_unlock(&task->cred_guard_mutex);
out:
return retval;
}