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-rw-r--r--Documentation/sysctl/kernel.txt2
-rw-r--r--fs/coredump.c10
2 files changed, 9 insertions, 3 deletions
diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt
index 6d78841fd416..2907ba6c3607 100644
--- a/Documentation/sysctl/kernel.txt
+++ b/Documentation/sysctl/kernel.txt
@@ -181,6 +181,8 @@ core_pattern is used to specify a core dumpfile pattern name.
%p pid
%u uid
%g gid
+ %d dump mode, matches PR_SET_DUMPABLE and
+ /proc/sys/fs/suid_dumpable
%s signal number
%t UNIX time of dump
%h hostname
diff --git a/fs/coredump.c b/fs/coredump.c
index c01aa7b9ab5d..4fce06fc3b56 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -149,7 +149,7 @@ put_exe_file:
* name into corename, which must have space for at least
* CORENAME_MAX_SIZE bytes plus one byte for the zero terminator.
*/
-static int format_corename(struct core_name *cn, long signr)
+static int format_corename(struct core_name *cn, struct coredump_params *cprm)
{
const struct cred *cred = current_cred();
const char *pat_ptr = core_pattern;
@@ -194,9 +194,13 @@ static int format_corename(struct core_name *cn, long signr)
case 'g':
err = cn_printf(cn, "%d", cred->gid);
break;
+ case 'd':
+ err = cn_printf(cn, "%d",
+ __get_dumpable(cprm->mm_flags));
+ break;
/* signal that caused the coredump */
case 's':
- err = cn_printf(cn, "%ld", signr);
+ err = cn_printf(cn, "%ld", cprm->signr);
break;
/* UNIX time of coredump */
case 't': {
@@ -515,7 +519,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
*/
clear_thread_flag(TIF_SIGPENDING);
- ispipe = format_corename(&cn, signr);
+ ispipe = format_corename(&cn, &cprm);
if (ispipe) {
int dump_count;