[S390] ptrace: dont abuse PT_PTRACED
Nobody except ptrace itself should use task->ptrace or PT_PTRACED directly, change arch/s390/kernel/traps.c to use the helper. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Roland McGrath <roland@redhat.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
parent
d302e1a5db
commit
ca633fd006
|
@ -18,7 +18,7 @@
|
|||
#include <linux/kernel.h>
|
||||
#include <linux/string.h>
|
||||
#include <linux/errno.h>
|
||||
#include <linux/ptrace.h>
|
||||
#include <linux/tracehook.h>
|
||||
#include <linux/timer.h>
|
||||
#include <linux/mm.h>
|
||||
#include <linux/smp.h>
|
||||
|
@ -382,7 +382,7 @@ void __kprobes do_single_step(struct pt_regs *regs)
|
|||
SIGTRAP) == NOTIFY_STOP){
|
||||
return;
|
||||
}
|
||||
if ((current->ptrace & PT_PTRACED) != 0)
|
||||
if (tracehook_consider_fatal_signal(current, SIGTRAP))
|
||||
force_sig(SIGTRAP, current);
|
||||
}
|
||||
|
||||
|
@ -483,7 +483,7 @@ static void illegal_op(struct pt_regs * regs, long interruption_code)
|
|||
if (get_user(*((__u16 *) opcode), (__u16 __user *) location))
|
||||
return;
|
||||
if (*((__u16 *) opcode) == S390_BREAKPOINT_U16) {
|
||||
if (current->ptrace & PT_PTRACED)
|
||||
if (tracehook_consider_fatal_signal(current, SIGTRAP))
|
||||
force_sig(SIGTRAP, current);
|
||||
else
|
||||
signal = SIGILL;
|
||||
|
|
Loading…
Reference in a new issue