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-rw-r--r--fs/coredump.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/fs/coredump.c b/fs/coredump.c
index f045bbad6822..ce47379bfa61 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -14,6 +14,7 @@
#include <linux/key.h>
#include <linux/personality.h>
#include <linux/binfmts.h>
+#include <linux/coredump.h>
#include <linux/utsname.h>
#include <linux/pid_namespace.h>
#include <linux/module.h>
@@ -39,6 +40,7 @@
#include <trace/events/task.h>
#include "internal.h"
+#include "coredump.h"
#include <trace/events/sched.h>
@@ -147,7 +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;
@@ -192,9 +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->siginfo->si_signo);
break;
/* UNIX time of coredump */
case 't': {
@@ -444,14 +450,15 @@ static int umh_pipe_setup(struct subprocess_info *info, struct cred *new)
cp->file = files[1];
- replace_fd(0, files[0], 0);
+ err = replace_fd(0, files[0], 0);
+ fput(files[0]);
/* and disallow core files too */
current->signal->rlim[RLIMIT_CORE] = (struct rlimit){1, 1};
- return 0;
+ return err;
}
-void do_coredump(long signr, int exit_code, struct pt_regs *regs)
+void do_coredump(siginfo_t *siginfo, struct pt_regs *regs)
{
struct core_state core_state;
struct core_name cn;
@@ -466,7 +473,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
bool need_nonrelative = false;
static atomic_t core_dump_count = ATOMIC_INIT(0);
struct coredump_params cprm = {
- .signr = signr,
+ .siginfo = siginfo,
.regs = regs,
.limit = rlimit(RLIMIT_CORE),
/*
@@ -477,7 +484,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
.mm_flags = mm->flags,
};
- audit_core_dumps(signr);
+ audit_core_dumps(siginfo->si_signo);
binfmt = mm->binfmt;
if (!binfmt || !binfmt->core_dump)
@@ -501,7 +508,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
need_nonrelative = true;
}
- retval = coredump_wait(exit_code, &core_state);
+ retval = coredump_wait(siginfo->si_signo, &core_state);
if (retval < 0)
goto fail_creds;
@@ -513,7 +520,7 @@ 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;