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authorKevin Krakauer <krakauer@google.com>2020-08-28 10:33:44 -0700
committergVisor bot <gvisor-bot@google.com>2020-08-28 10:35:18 -0700
commitb3ff31d041c9455614a2a9f2a7be10afb6613357 (patch)
tree8a7e9e6785655bb6fb6b925642c9763fc0167f64 /test/syscalls
parent7bc9f9b47f61faa21c6504cde215ece5e07a9f5e (diff)
fix panic when calling SO_ORIGINAL_DST without initializing iptables
Reported-by: syzbot+074ec22c42305725b79f@syzkaller.appspotmail.com PiperOrigin-RevId: 328963899
Diffstat (limited to 'test/syscalls')
-rw-r--r--test/syscalls/linux/iptables.cc13
1 files changed, 13 insertions, 0 deletions
diff --git a/test/syscalls/linux/iptables.cc b/test/syscalls/linux/iptables.cc
index f1af8f097..83b6a164a 100644
--- a/test/syscalls/linux/iptables.cc
+++ b/test/syscalls/linux/iptables.cc
@@ -104,6 +104,19 @@ TEST(IPTablesBasic, GetEntriesErrorPrecedence) {
SyscallFailsWithErrno(EINVAL));
}
+TEST(IPTablesBasic, OriginalDstErrors) {
+ SKIP_IF(!ASSERT_NO_ERRNO_AND_VALUE(HaveCapability(CAP_NET_RAW)));
+
+ int sock;
+ ASSERT_THAT(sock = socket(AF_INET, SOCK_STREAM, 0), SyscallSucceeds());
+
+ // Sockets not affected by NAT should fail to find an original destination.
+ struct sockaddr_in addr = {};
+ socklen_t addr_len = sizeof(addr);
+ EXPECT_THAT(getsockopt(sock, SOL_IP, SO_ORIGINAL_DST, &addr, &addr_len),
+ SyscallFailsWithErrno(ENOTCONN));
+}
+
// Fixture for iptables tests.
class IPTablesTest : public ::testing::Test {
protected: