diff options
Diffstat (limited to 'kernel/signal.c')
| -rw-r--r-- | kernel/signal.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index b5370fe5c198..09019017d669 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -22,6 +22,7 @@ #include <linux/sched/cputime.h> #include <linux/file.h> #include <linux/fs.h> +#include <linux/mm.h> #include <linux/proc_fs.h> #include <linux/tty.h> #include <linux/binfmts.h> @@ -562,6 +563,10 @@ bool unhandled_signal(struct task_struct *tsk, int sig) if (handler != SIG_IGN && handler != SIG_DFL) return false; + /* If dying, we handle all new signals by ignoring them */ + if (fatal_signal_pending(tsk)) + return false; + /* if ptraced, let the tracer determine */ return !tsk->ptrace; } @@ -1256,7 +1261,17 @@ int send_signal_locked(int sig, struct kernel_siginfo *info, static void print_fatal_signal(int signr) { struct pt_regs *regs = task_pt_regs(current); - pr_info("potentially unexpected fatal signal %d.\n", signr); + struct file *exe_file; + + exe_file = get_task_exe_file(current); + if (exe_file) { + pr_info("%pD: %s: potentially unexpected fatal signal %d.\n", + exe_file, current->comm, signr); + fput(exe_file); + } else { + pr_info("%s: potentially unexpected fatal signal %d.\n", + current->comm, signr); + } #if defined(__i386__) && !defined(__arch_um__) pr_info("code at %08lx: ", regs->ip); |