diff options
Diffstat (limited to 'kernel/seccomp.c')
| -rw-r--r-- | kernel/seccomp.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/kernel/seccomp.c b/kernel/seccomp.c index f8f88ebcb3ba..65f61077ad50 100644 --- a/kernel/seccomp.c +++ b/kernel/seccomp.c @@ -18,6 +18,7 @@ #include <linux/compat.h> #include <linux/coredump.h> #include <linux/sched.h> +#include <linux/sched/task_stack.h> #include <linux/seccomp.h> #include <linux/slab.h> #include <linux/syscalls.h> @@ -643,11 +644,14 @@ static int __seccomp_filter(int this_syscall, const struct seccomp_data *sd, default: { siginfo_t info; audit_seccomp(this_syscall, SIGSYS, action); - /* Show the original registers in the dump. */ - syscall_rollback(current, task_pt_regs(current)); - /* Trigger a manual coredump since do_exit skips it. */ - seccomp_init_siginfo(&info, this_syscall, data); - do_coredump(&info); + /* Dump core only if this is the last remaining thread. */ + if (get_nr_threads(current) == 1) { + /* Show the original registers in the dump. */ + syscall_rollback(current, task_pt_regs(current)); + /* Trigger a manual coredump since do_exit skips it. */ + seccomp_init_siginfo(&info, this_syscall, data); + do_coredump(&info); + } do_exit(SIGSYS); } } |