Commit cfcd1705 authored by David Woodhouse's avatar David Woodhouse Committed by Paul Mackerras
Browse files

[POWERPC] Mask 32-bit system call arguments to 32 bits on PPC64 in audit code



The system call entry code will clear the high bits of argument
registers before invoking the system call; don't report whatever noise
happens to be in the high bits of the register before that happens.
Signed-off-by: default avatarDavid Woodhouse <dwmw2@infradead.org>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 0e47e3cc
......@@ -532,16 +532,22 @@ void do_syscall_trace_enter(struct pt_regs *regs)
&& (current->ptrace & PT_PTRACED))
do_syscall_trace();
if (unlikely(current->audit_context))
audit_syscall_entry(
#ifdef CONFIG_PPC32
AUDIT_ARCH_PPC,
#else
test_thread_flag(TIF_32BIT)?AUDIT_ARCH_PPC:AUDIT_ARCH_PPC64,
if (unlikely(current->audit_context)) {
#ifdef CONFIG_PPC64
if (!test_thread_flag(TIF_32BIT))
audit_syscall_entry(AUDIT_ARCH_PPC64,
regs->gpr[0],
regs->gpr[3], regs->gpr[4],
regs->gpr[5], regs->gpr[6]);
else
#endif
regs->gpr[0],
regs->gpr[3], regs->gpr[4],
regs->gpr[5], regs->gpr[6]);
audit_syscall_entry(AUDIT_ARCH_PPC,
regs->gpr[0],
regs->gpr[3] & 0xffffffff,
regs->gpr[4] & 0xffffffff,
regs->gpr[5] & 0xffffffff,
regs->gpr[6] & 0xffffffff);
}
}
void do_syscall_trace_leave(struct pt_regs *regs)
......
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