[PATCH v2 1/2] coredump: use task comm instead of (unknown)

[Jiri Slaby]

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 |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/exec.c b/fs/exec.c
index a9f2b36..2093c47 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1631,7 +1631,7 @@ static int cn_print_exe_file(struct core_name *cn)
 
 	exe_file = get_mm_exe_file(current->mm);
 	if (!exe_file)
-		return cn_printf(cn, "(unknown)");
+		return cn_printf(cn, "%s (path unknown)", current->comm);
 
 	pathbuf = kmalloc(PATH_MAX, GFP_TEMPORARY);
 	if (!pathbuf) {
-- 
1.7.5.3


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