diff options
| -rw-r--r-- | include/linux/sched/signal.h | 6 | ||||
| -rw-r--r-- | kernel/signal.c | 61 |
2 files changed, 67 insertions, 0 deletions
diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h index 375f31eb3b6b..944fe6356f4a 100644 --- a/include/linux/sched/signal.h +++ b/include/linux/sched/signal.h @@ -305,6 +305,12 @@ int send_sig_fault(int sig, int code, void __user *addr ___ARCH_SI_IA64(int imm, unsigned int flags, unsigned long isr) , struct task_struct *t); +int force_sig_mceerr(int code, void __user *, short, struct task_struct *); +int send_sig_mceerr(int code, void __user *, short, struct task_struct *); + +int force_sig_bnderr(void __user *addr, void __user *lower, void __user *upper); +int force_sig_pkuerr(void __user *addr, u32 pkey); + extern int send_sig_info(int, struct siginfo *, struct task_struct *); extern int force_sigsegv(int, struct task_struct *); extern int force_sig_info(int, struct siginfo *, struct task_struct *); diff --git a/kernel/signal.c b/kernel/signal.c index 15ec7b3cbe69..4f6300ef8062 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -1537,6 +1537,67 @@ int send_sig_fault(int sig, int code, void __user *addr return send_sig_info(info.si_signo, &info, t); } +#if defined(BUS_MCEERR_AO) && defined(BUS_MCEERR_AR) +int force_sig_mceerr(int code, void __user *addr, short lsb, struct task_struct *t) +{ + struct siginfo info; + + WARN_ON((code != BUS_MCEERR_AO) && (code != BUS_MCEERR_AR)); + clear_siginfo(&info); + info.si_signo = SIGBUS; + info.si_errno = 0; + info.si_code = code; + info.si_addr = addr; + info.si_addr_lsb = lsb; + return force_sig_info(info.si_signo, &info, t); +} + +int send_sig_mceerr(int code, void __user *addr, short lsb, struct task_struct *t) +{ + struct siginfo info; + + WARN_ON((code != BUS_MCEERR_AO) && (code != BUS_MCEERR_AR)); + clear_siginfo(&info); + info.si_signo = SIGBUS; + info.si_errno = 0; + info.si_code = code; + info.si_addr = addr; + info.si_addr_lsb = lsb; + return send_sig_info(info.si_signo, &info, t); +} +EXPORT_SYMBOL(send_sig_mceerr); +#endif + +#ifdef SEGV_BNDERR +int force_sig_bnderr(void __user *addr, void __user *lower, void __user *upper) +{ + struct siginfo info; + + clear_siginfo(&info); + info.si_signo = SIGSEGV; + info.si_errno = 0; + info.si_code = SEGV_BNDERR; + info.si_addr = addr; + info.si_lower = lower; + info.si_upper = upper; + return force_sig_info(info.si_signo, &info, current); +} +#endif + +#ifdef SEGV_PKUERR +int force_sig_pkuerr(void __user *addr, u32 pkey) +{ + struct siginfo info; + + clear_siginfo(&info); + info.si_signo = SIGSEGV; + info.si_errno = 0; + info.si_code = SEGV_PKUERR; + info.si_addr = addr; + info.si_pkey = pkey; + return force_sig_info(info.si_signo, &info, current); +} +#endif int kill_pgrp(struct pid *pid, int sig, int priv) { |