If we don't know the file corresponding to the binary (i.e. exe_file
is unknown), use "task->comm (path unknown)" instead of simple
"(unknown)" as suggested by ak.
The fallback is the same as %e except it will append "(path unknown)".
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
---
fs/exec.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/exec.c b/fs/exec.c
index 155c6d4..8900f61 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1554,8 +1554,11 @@ static int cn_print_exe_file(struct core_name *cn)
int ret;
exe_file = get_mm_exe_file(current->mm);
- if (!exe_file)
- return cn_printf(cn, "(unknown)");
+ if (!exe_file) {
+ char comm[TASK_COMM_LEN];
+ return cn_printf(cn, "%s (path unknown)", get_task_comm(comm,
+ current));
+ }
pathbuf = kmalloc(PATH_MAX, GFP_TEMPORARY);
if (!pathbuf) {
--
1.7.4.2
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