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-rw-r--r--include/linux/capability.h1
-rw-r--r--include/linux/ptrace.h1
-rw-r--r--include/linux/sched.h1
3 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/capability.h b/include/linux/capability.h
index 5f8249d378a2..7d38697c7e63 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -249,6 +249,7 @@ static inline bool ns_capable_noaudit(struct user_namespace *ns, int cap)
#endif /* CONFIG_MULTIUSER */
extern bool capable_wrt_inode_uidgid(const struct inode *inode, int cap);
extern bool file_ns_capable(const struct file *file, struct user_namespace *ns, int cap);
+extern bool ptracer_capable(struct task_struct *tsk, struct user_namespace *ns);
/* audit system wants to get cap info from files as well */
extern int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps);
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 504c98a278d4..e13bfdf7f314 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -19,7 +19,6 @@
#define PT_SEIZED 0x00010000 /* SEIZE used, enable new behavior */
#define PT_PTRACED 0x00000001
#define PT_DTRACE 0x00000002 /* delayed trace (used on m68k, i386) */
-#define PT_PTRACE_CAP 0x00000004 /* ptracer can follow suid-exec */
#define PT_OPT_FLAG_SHIFT 3
/* PT_TRACE_* event enable flags */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 1c0193baea2a..ce0f61dcd887 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1540,6 +1540,7 @@ struct task_struct {
struct list_head cpu_timers[3];
/* process credentials */
+ const struct cred __rcu *ptracer_cred; /* Tracer's credentials at attach */
const struct cred __rcu *real_cred; /* objective and real subjective task
* credentials (COW) */
const struct cred __rcu *cred; /* effective (overridable) subjective task