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parisc: Fix SIGSYS signals in compat case 

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v4.5
This commit is contained in:
Helge Deller 2016-03-30 14:11:50 +02:00
parent b562e44f50
commit 4f4acc9472
2 changed files with 12 additions and 0 deletions
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7
arch/parisc/include/asm/compat.h
View File

@ -183,6 +183,13 @@ typedef struct compat_siginfo {
int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
int _fd;
} _sigpoll;
/* SIGSYS */
struct {
compat_uptr_t _call_addr; /* calling user insn */
int _syscall; /* triggering system call number */
compat_uint_t _arch; /* AUDIT_ARCH_* of syscall */
} _sigsys;
} _sifields;
} compat_siginfo_t;

5
arch/parisc/kernel/signal32.c
View File

@ -371,6 +371,11 @@ copy_siginfo_to_user32 (compat_siginfo_t __user *to, const siginfo_t *from)
val = (compat_int_t)from->si_int;
err |= __put_user(val, &to->si_int);
break;
case __SI_SYS >> 16:
err |= __put_user(ptr_to_compat(from->si_call_addr), &to->si_call_addr);
err |= __put_user(from->si_syscall, &to->si_syscall);
err |= __put_user(from->si_arch, &to->si_arch);
break;
}
}
return err;