diff options
| author | Oleg Nesterov <oleg@redhat.com> | 2013-06-07 10:09:40 +1000 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2013-06-07 15:43:16 +1000 |
| commit | faf3bf5e946663aca8d48bfcd0ce2e2a9516a47a (patch) | |
| tree | 406988b97be1e9ea7aa7bf450e2388885e1c34b6 | |
| parent | 045797638915f8d67172d95a732df4bc1f767609 (diff) | |
coredump: avoid the uninitialized cn->corename if core_pattern is empty
If core_pattern is "" or "|", cn->corename is used uninitialized by
filp_open() or call_usermodehelper_exec().
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Colin Walters <walters@verbum.org>
Cc: Denys Vlasenko <vda.linux@googlemail.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Lennart Poettering <mzxreary@0pointer.de>
Cc: Lucas De Marchi <lucas.de.marchi@gmail.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | fs/coredump.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/coredump.c b/fs/coredump.c index 5968064ecfa8..72f816d6cad9 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -165,6 +165,7 @@ static int format_corename(struct core_name *cn, struct coredump_params *cprm) cn->corename = NULL; if (expand_corename(cn, core_name_size)) return -ENOMEM; + cn->corename[0] = '\0'; if (ispipe) ++pat_ptr; |