[PATCH 2/2] audit,x86: add x32_execve[at] to syscall classification

[David Drysdale]

Treat x32 ABI variants of execve[at] the same as x86_64
variants.

Slightly speculative as the audit subsystem doesn't currently
work with x32 ABI syscalls.  If and when audit+x32 does work,
this should correctly classify exec calls.

Signed-off-by: David Drysdale <drysdale@xxxxxxxxxx>
---
 arch/x86/kernel/audit_64.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/x86/kernel/audit_64.c b/arch/x86/kernel/audit_64.c
index f3672508b249..0aec72d8d3c7 100644
--- a/arch/x86/kernel/audit_64.c
+++ b/arch/x86/kernel/audit_64.c
@@ -49,6 +49,12 @@ int audit_classify_syscall(int abi, unsigned syscall)
 		return 2;
 	case __NR_openat:
 		return 3;
+#ifdef __NR_x32_execve
+	case __NR_x32_execve:
+#endif
+#ifdef __NR_x32_execveat
+	case __NR_x32_execveat:
+#endif
 	case __NR_execve:
 	case __NR_execveat:
 		return 5;
-- 
1.9.1

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