coredump: remove redundant defines for dumpable states
The existing SUID_DUMP_* defines duplicate the newer SUID_DUMPABLE_*
defines introduced in 54b501992dd2 ("coredump: warn about unsafe
suid_dumpable / core_pattern combo"). Remove the new ones, and use the
prior values instead.
Signed-off-by: Kees Cook <keescook@chromium.org>
Reported-by: Chen Gang <gang.chen@asianux.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Alan Cox <alan@linux.intel.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Serge Hallyn <serge.hallyn@canonical.com>
Cc: James Morris <james.l.morris@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/exec.c b/fs/exec.c
index 864c50d..a96a488 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1111,7 +1111,7 @@
current->sas_ss_sp = current->sas_ss_size = 0;
if (uid_eq(current_euid(), current_uid()) && gid_eq(current_egid(), current_gid()))
- set_dumpable(current->mm, SUID_DUMPABLE_ENABLED);
+ set_dumpable(current->mm, SUID_DUMP_USER);
else
set_dumpable(current->mm, suid_dumpable);
@@ -1639,17 +1639,17 @@
void set_dumpable(struct mm_struct *mm, int value)
{
switch (value) {
- case SUID_DUMPABLE_DISABLED:
+ case SUID_DUMP_DISABLE:
clear_bit(MMF_DUMPABLE, &mm->flags);
smp_wmb();
clear_bit(MMF_DUMP_SECURELY, &mm->flags);
break;
- case SUID_DUMPABLE_ENABLED:
+ case SUID_DUMP_USER:
set_bit(MMF_DUMPABLE, &mm->flags);
smp_wmb();
clear_bit(MMF_DUMP_SECURELY, &mm->flags);
break;
- case SUID_DUMPABLE_SAFE:
+ case SUID_DUMP_ROOT:
set_bit(MMF_DUMP_SECURELY, &mm->flags);
smp_wmb();
set_bit(MMF_DUMPABLE, &mm->flags);
@@ -1662,7 +1662,7 @@
int ret;
ret = mm_flags & MMF_DUMPABLE_MASK;
- return (ret > SUID_DUMPABLE_ENABLED) ? SUID_DUMPABLE_SAFE : ret;
+ return (ret > SUID_DUMP_USER) ? SUID_DUMP_ROOT : ret;
}
int get_dumpable(struct mm_struct *mm)