ptrace_attach() should use the target process's mutex when attaching to it,
not the current (tracer) process's mutex.Signed-off-by: David Howells
---kernel/ptrace.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 893a099..2ee343a 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -174,7 +174,7 @@ int ptrace_attach(struct task_struct *task)
/* Protect exec's credential calculations against our interference;
* SUID, SGID and LSM creds get determined differently under ptrace.
*/
- retval = mutex_lock_interruptible(¤t->cred_exec_mutex);
+ retval = mutex_lock_interruptible(&task->cred_exec_mutex);
if (retval < 0)
goto out;@@ -218,7 +218,7 @@ repeat:
bad:
write_unlock_irqrestore(&tasklist_lock, flags);
task_unlock(task);
- mutex_unlock(¤t->cred_exec_mutex);
+ mutex_unlock(&task->cred_exec_mutex);
out:
return retval;
}--
| Andrew Morton | -mm merge plans for 2.6.23 |
| Greg KH | [GIT PATCH] driver core patches against 2.6.24 |
| Bart Van Assche | Integration of SCST in the mainstream Linux kernel |
| david | Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3 |
| Jarek Poplawski | [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock(). |
| Gerrit Renker | [PATCH 03/37] dccp: List management for new feature negotiation |
| Arjan van de Ven | Re: [GIT]: Networking |
| Auke Kok | [PATCH] e1000e: test MSI interrupts |
git: | |
