diff options
-rw-r--r-- | MAINTAINERS | 1 | ||||
-rw-r--r-- | net/eth.c | 13 | ||||
-rw-r--r-- | tests/qtest/fuzz-e1000e-test.c | 53 | ||||
-rw-r--r-- | tests/qtest/meson.build | 1 |
4 files changed, 63 insertions, 5 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 25fc49d1dc..9147e9a429 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2027,6 +2027,7 @@ e1000e M: Dmitry Fleytman <dmitry.fleytman@gmail.com> S: Maintained F: hw/net/e1000e* +F: tests/qtest/fuzz-e1000e-test.c eepro100 M: Stefan Weil <sw@weilnetz.de> @@ -405,17 +405,20 @@ _eth_get_rss_ex_dst_addr(const struct iovec *pkt, int pkt_frags, struct ip6_ext_hdr *ext_hdr, struct in6_address *dst_addr) { - struct ip6_ext_hdr_routing *rthdr = (struct ip6_ext_hdr_routing *) ext_hdr; + struct ip6_ext_hdr_routing rt_hdr; size_t input_size = iov_size(pkt, pkt_frags); size_t bytes_read; - if (input_size < ext_hdr_offset + sizeof(*rthdr) + sizeof(*dst_addr)) { + if (input_size < ext_hdr_offset + sizeof(rt_hdr) + sizeof(*dst_addr)) { return false; } - if ((rthdr->rtype == 2) && (rthdr->segleft == 1)) { - bytes_read = iov_to_buf(pkt, pkt_frags, - ext_hdr_offset + sizeof(*rthdr), + bytes_read = iov_to_buf(pkt, pkt_frags, ext_hdr_offset, + &rt_hdr, sizeof(rt_hdr)); + assert(bytes_read == sizeof(rt_hdr)); + + if ((rt_hdr.rtype == 2) && (rt_hdr.segleft == 1)) { + bytes_read = iov_to_buf(pkt, pkt_frags, ext_hdr_offset + sizeof(rt_hdr), dst_addr, sizeof(*dst_addr)); return bytes_read == sizeof(*dst_addr); diff --git a/tests/qtest/fuzz-e1000e-test.c b/tests/qtest/fuzz-e1000e-test.c new file mode 100644 index 0000000000..66229e6096 --- /dev/null +++ b/tests/qtest/fuzz-e1000e-test.c @@ -0,0 +1,53 @@ +/* + * QTest testcase for e1000e device generated by fuzzer + * + * Copyright (c) 2021 Red Hat, Inc. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" + +#include "libqos/libqtest.h" + +/* + * https://bugs.launchpad.net/qemu/+bug/1879531 + */ +static void test_lp1879531_eth_get_rss_ex_dst_addr(void) +{ + QTestState *s; + + s = qtest_init("-nographic -monitor none -serial none -M pc-q35-5.0"); + + qtest_outl(s, 0xcf8, 0x80001010); + qtest_outl(s, 0xcfc, 0xe1020000); + qtest_outl(s, 0xcf8, 0x80001004); + qtest_outw(s, 0xcfc, 0x7); + qtest_writeb(s, 0x25, 0x86); + qtest_writeb(s, 0x26, 0xdd); + qtest_writeb(s, 0x4f, 0x2b); + + qtest_writel(s, 0xe1020030, 0x190002e1); + qtest_writew(s, 0xe102003a, 0x0807); + qtest_writel(s, 0xe1020048, 0x12077cdd); + qtest_writel(s, 0xe1020400, 0xba077cdd); + qtest_writel(s, 0xe1020420, 0x190002e1); + qtest_writel(s, 0xe1020428, 0x3509d807); + qtest_writeb(s, 0xe1020438, 0xe2); + qtest_writeb(s, 0x4f, 0x2b); + qtest_quit(s); +} + +int main(int argc, char **argv) +{ + const char *arch = qtest_get_arch(); + + g_test_init(&argc, &argv, NULL); + + if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) { + qtest_add_func("fuzz/test_lp1879531_eth_get_rss_ex_dst_addr", + test_lp1879531_eth_get_rss_ex_dst_addr); + } + + return g_test_run(); +} diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build index 9731606c31..902cfef7cb 100644 --- a/tests/qtest/meson.build +++ b/tests/qtest/meson.build @@ -67,6 +67,7 @@ qtests_i386 = \ (config_all_devices.has_key('CONFIG_TPM_TIS_ISA') ? ['tpm-tis-test'] : []) + \ (config_all_devices.has_key('CONFIG_TPM_TIS_ISA') ? ['tpm-tis-swtpm-test'] : []) + \ (config_all_devices.has_key('CONFIG_RTL8139_PCI') ? ['rtl8139-test'] : []) + \ + (config_all_devices.has_key('CONFIG_E1000E_PCI_EXPRESS') ? ['fuzz-e1000e-test'] : []) + \ qtests_pci + \ ['fdc-test', 'ide-test', |