---

yaml
---
r: 287262
b: refs/heads/master
c: 96e02d1
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 23783f817bceedd6d4e549385e3f400ea64059e5
+refs/heads/master: 96e02d1586782eadf051fa3d6bc4132d2447ac2c

trunk/fs/exec.c

@@ -1071,6 +1071,21 @@ void set_task_comm(struct task_struct *tsk, char *buf)
 	perf_event_comm(tsk);
 }
 
+static void filename_to_taskname(char *tcomm, const char *fn, unsigned int len)
+{
+	int i, ch;
+
+	/* Copies the binary name from after last slash */
+	for (i = 0; (ch = *(fn++)) != '\0';) {
+		if (ch == '/')
+			i = 0; /* overwrite what we wrote */
+		else
+			if (i < len - 1)
+				tcomm[i++] = ch;
+	}
+	tcomm[i] = '\0';
+}
+
 int flush_old_exec(struct linux_binprm * bprm)
 {
 	int retval;
@@ -1085,6 +1100,7 @@ int flush_old_exec(struct linux_binprm * bprm)
 
 	set_mm_exe_file(bprm->mm, bprm->file);
 
+	filename_to_taskname(bprm->tcomm, bprm->filename, sizeof(bprm->tcomm));
 	/*
 	 * Release all of the old mmap stuff
 	 */
@@ -1116,10 +1132,6 @@ EXPORT_SYMBOL(would_dump);
 
 void setup_new_exec(struct linux_binprm * bprm)
 {
-	int i, ch;
-	const char *name;
-	char tcomm[sizeof(current->comm)];
-
 	arch_pick_mmap_layout(current->mm);
 
 	/* This is the point of no return */
@@ -1130,18 +1142,7 @@ void setup_new_exec(struct linux_binprm * bprm)
 	else
 		set_dumpable(current->mm, suid_dumpable);
 
-	name = bprm->filename;
-
-	/* Copies the binary name from after last slash */
-	for (i=0; (ch = *(name++)) != '\0';) {
-		if (ch == '/')
-			i = 0; /* overwrite what we wrote */
-		else
-			if (i < (sizeof(tcomm) - 1))
-				tcomm[i++] = ch;
-	}
-	tcomm[i] = '\0';
-	set_task_comm(current, tcomm);
+	set_task_comm(current, bprm->tcomm);
 
 	/* Set the new mm task size. We have to do that late because it may
 	 * depend on TIF_32BIT which is only updated in flush_thread() on

trunk/include/linux/binfmts.h

@@ -18,7 +18,7 @@ struct pt_regs;
 #define BINPRM_BUF_SIZE 128
 
 #ifdef __KERNEL__
-#include <linux/list.h>
+#include <linux/sched.h>
 
 #define CORENAME_MAX_SIZE 128
 
@@ -58,6 +58,7 @@ struct linux_binprm {
 	unsigned interp_flags;
 	unsigned interp_data;
 	unsigned long loader, exec;
+	char tcomm[TASK_COMM_LEN];
 };
 
 #define BINPRM_FLAGS_ENFORCE_NONDUMP_BIT 0