// https://syzkaller.appspot.com/bug?id=34b31083847cb689c8622ee3a538ae07bb324285 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } // socket$inet6_icmp_raw arguments: [ // domain: const = 0xa (8 bytes) // type: const = 0x3 (8 bytes) // proto: const = 0x3a (4 bytes) // ] // returns sock_icmp6 res = syscall(__NR_socket, /*domain=*/0xaul, /*type=*/3ul, /*proto=*/0x3a); if (res != -1) r[0] = res; // setsockopt$IP6T_SO_SET_REPLACE arguments: [ // fd: sock_in6 (resource) // level: const = 0x29 (4 bytes) // opt: const = 0x40 (4 bytes) // val: ptr[in, ip6t_replace] { // union ip6t_replace { // raw: ip6t_replace_t["raw", 2, 3, IPT_RAW_VALID_HOOKS, // ip6t_raw_matches, ip6t_raw_targets, ipt_hook, ipt_unused, // ipt_unused, ipt_hook, ipt_unused, ipt_hook, ipt_unused, ipt_unused, // ipt_hook, ipt_unused] { // name: buffer: {72 61 77 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00} (length 0x20) // valid_hooks: const = 0x3c1 (4 bytes) // num_entries: const = 0x3 (4 bytes) // size: bytesize = 0x12b8 (4 bytes) // hook_pre_routing: const = 0x1100 (4 bytes) // hook_local_in: const = 0x18c (4 bytes) // hook_forward: const = 0x203 (4 bytes) // hook_local_out: const = 0x1100 (4 bytes) // hook_post_routing: const = 0x19030000 (4 bytes) // underflow_pre_routing: const = 0x11e8 (4 bytes) // underflow_local_in: const = 0x2e0 (4 bytes) // underflow_forward: const = 0x2e0 (4 bytes) // underflow_local_out: const = 0x11e8 (4 bytes) // underflow_post_routing: const = 0x2e0 (4 bytes) // num_counters: const = 0x7fffffe (4 bytes) // counters: nil // entries: ip6t_replace_entries[2, ip6t_raw_matches, // ip6t_raw_targets] { // entries: array[ip6t_entry[ip6t_raw_matches, ip6t_raw_targets]] { // ip6t_entry[ip6t_raw_matches, ip6t_raw_targets] { // matches: ip6t_entry_matches[ip6t_raw_matches] { // ipv6: union ip6t_ip6_or_uncond { // ipv6: ip6t_ip6 { // src: union ipv6_addr { // initdev: ipv6_addr_initdev { // a0: const = 0xfe (1 bytes) // a1: const = 0x88 (1 bytes) // a2: buffer: {00 00 00 00 00 00 00 00 00 00 00 00} // (length 0xc) a3: int8 = 0x0 (1 bytes) a4: proc = // 0x0 (1 bytes) // } // } // dst: union ipv6_addr { // mcast1: ipv6_addr_multicast1 { // a0: const = 0xff (1 bytes) // a1: const = 0x1 (1 bytes) // a2: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 // 00} (length 0xd) a3: const = 0x1 (1 bytes) // } // } // smsk: array[ipv4_addr_mask_vals] { // ipv4_addr_mask_vals = 0x0 (4 bytes) // ipv4_addr_mask_vals = 0x0 (4 bytes) // ipv4_addr_mask_vals = 0xff (4 bytes) // ipv4_addr_mask_vals = 0xff (4 bytes) // } // dmsk: array[ipv4_addr_mask_vals] { // ipv4_addr_mask_vals = 0x7fffffff (4 bytes) // ipv4_addr_mask_vals = 0xff000000 (4 bytes) // ipv4_addr_mask_vals = 0xff000000 (4 bytes) // ipv4_addr_mask_vals = 0xff000000 (4 bytes) // } // iniface: buffer: {62 6f 6e 64 5f 73 6c 61 76 65 5f 31 // 00 00 00 00} (length 0x10) outiface: buffer: {62 6f 6e // 64 30 00 00 00 00 00 00 00 00 00 00 00} (length 0x10) // iniface_mask: devname_mask { // lo: devname_mask_values = 0x0 (1 bytes) // pad = 0x0 (15 bytes) // } // outiface_mask: devname_mask { // lo: devname_mask_values = 0x0 (1 bytes) // pad = 0x0 (15 bytes) // } // proto: ipv6_types = 0x84 (2 bytes) // tos: int8 = 0x7 (1 bytes) // flags: ip6t_ip6_flags = 0x2 (1 bytes) // invflags: ip6t_ip6_invflags = 0x55 (1 bytes) // pad = 0x0 (3 bytes) // } // } // nfcache: const = 0x300 (4 bytes) // target_offset: len = 0x10d8 (2 bytes) // next_offset: len = 0x1100 (2 bytes) // comefrom: const = 0x0 (4 bytes) // pad = 0x0 (4 bytes) // counters: xt_counters { // pcnt: const = 0x1000000 (8 bytes) // bcnt: const = 0x0 (8 bytes) // } // matches: array[ip6t_raw_matches] { // union ip6t_raw_matches { // common: union ipt6_matches { // unspec: union xt_unspec_matches { // cgroup1: xt_entry_match_t["cgroup", // xt_cgroup_info_v1, 1] { // header: xt_entry_match["cgroup", 1] { // match_size: len = 0x1030 (2 bytes) // name: buffer: {63 67 72 6f 75 70 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00} (length 0x1d) revision: const = // 0x1 (1 bytes) // } // data: xt_cgroup_info_v1 { // has_path: int8 = 0x1 (1 bytes) // has_classid: int8 = 0x0 (1 bytes) // invert_path: int8 = 0x1 (1 bytes) // invert_classid: int8 = 0x1 (1 bytes) // path: buffer: {2e 2f 63 67 72 6f 75 70 2e 63 // 70 75 2f 73 79 7a 31 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 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00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00} (length 0x1000) classid: // int32 = 0xfffffffc (4 bytes) priv: // align64[intptr] { // v: intptr = 0x3 (8 bytes) // } // } // } // } // } // } // } // } // target: union ip6t_raw_targets { // common: union ip6t_targets { // unspec: union xt_unspec_targets { // NFQUEUE3: xt_target_t["NFQUEUE", xt_NFQ_info_v3, 3] { // target_size: len = 0x28 (2 bytes) // name: buffer: {4e 46 51 55 45 55 45 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00} // (length 0x1d) revision: const = 0x3 (1 bytes) data: // xt_NFQ_info_v3 { // queuenum: int16 = 0x0 (2 bytes) // queues_total: int16 = 0x4 (2 bytes) // flags: xt_NFQ_flags = 0x0 (2 bytes) // } // pad = 0x0 (2 bytes) // } // } // } // } // } // ip6t_entry[ip6t_raw_matches, ip6t_raw_targets] { // matches: ip6t_entry_matches[ip6t_raw_matches] { // ipv6: union ip6t_ip6_or_uncond { // uncond: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00} (length 0x88) // } // nfcache: const = 0x0 (4 bytes) // target_offset: len = 0xa8 (2 bytes) // next_offset: len = 0xe8 (2 bytes) // comefrom: const = 0x0 (4 bytes) // pad = 0x0 (4 bytes) // counters: xt_counters { // pcnt: const = 0x0 (8 bytes) // bcnt: const = 0x0 (8 bytes) // } // matches: array[ip6t_raw_matches] { // } // } // target: union ip6t_raw_targets { // common: union ip6t_targets { // inet: union xt_inet_targets { // LOG: xt_target_t["LOG", xt_log_info, 0] { // target_size: len = 0x40 (2 bytes) // name: buffer: {4c 4f 47 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00} // (length 0x1d) revision: const = 0x0 (1 bytes) data: // xt_log_info { // level: int8 = 0x6 (1 bytes) // logflags: xt_log_flags = 0x23 (1 bytes) // prefix: buffer: {e5 9c fc fb 19 8f 15 87 43 d2 33 // 9d 7b 9f 38 be 33 bc 0c 50 c1 d1 b1 17 e1 ad 91 6a // 0c f4} (length 0x1e) // } // } // } // } // } // } // } // underflow: ip6t_entry_underflow { // matches: ip6t_entry_underflow_matches { // ipv6: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00} (length 0x88) nfcache: const = 0x0 (4 bytes) // target_offset: len = 0xa8 (2 bytes) // next_offset: len = 0xd0 (2 bytes) // comefrom: const = 0x0 (4 bytes) // pad = 0x0 (4 bytes) // counters: xt_counters { // pcnt: const = 0x0 (8 bytes) // bcnt: const = 0x0 (8 bytes) // } // } // target: xt_target_t["", const[NF_ACCEPT_VERDICT, int32], 0] { // target_size: len = 0x28 (2 bytes) // name: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 00 00 00 00 00 00} (length 0x1d) // revision: const = 0x0 (1 bytes) // data: const = 0xfffffffe (4 bytes) // pad = 0x0 (4 bytes) // } // } // } // } // } // } // len: len = 0x1318 (8 bytes) // ] memcpy((void*)0x200000002b80, "raw\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000", 32); *(uint32_t*)0x200000002ba0 = 0x3c1; *(uint32_t*)0x200000002ba4 = 3; *(uint32_t*)0x200000002ba8 = 0x12b8; *(uint32_t*)0x200000002bac = 0x1100; *(uint32_t*)0x200000002bb0 = 0x18c; *(uint32_t*)0x200000002bb4 = 0x203; *(uint32_t*)0x200000002bb8 = 0x1100; *(uint32_t*)0x200000002bbc = 0x19030000; *(uint32_t*)0x200000002bc0 = 0x11e8; *(uint32_t*)0x200000002bc4 = 0x2e0; *(uint32_t*)0x200000002bc8 = 0x2e0; *(uint32_t*)0x200000002bcc = 0x11e8; *(uint32_t*)0x200000002bd0 = 0x2e0; *(uint32_t*)0x200000002bd4 = 0x7fffffe; *(uint64_t*)0x200000002bd8 = 0; *(uint8_t*)0x200000002be0 = 0xfe; *(uint8_t*)0x200000002be1 = 0x88; memset((void*)0x200000002be2, 0, 12); *(uint8_t*)0x200000002bee = 0; *(uint8_t*)0x200000002bef = 1; *(uint8_t*)0x200000002bf0 = -1; *(uint8_t*)0x200000002bf1 = 1; memset((void*)0x200000002bf2, 0, 13); *(uint8_t*)0x200000002bff = 1; *(uint32_t*)0x200000002c00 = htobe32(0); *(uint32_t*)0x200000002c04 = htobe32(0); *(uint32_t*)0x200000002c08 = htobe32(0xff); *(uint32_t*)0x200000002c0c = htobe32(0xff); *(uint32_t*)0x200000002c10 = htobe32(0x7fffffff); *(uint32_t*)0x200000002c14 = htobe32(0xff000000); *(uint32_t*)0x200000002c18 = htobe32(0xff000000); *(uint32_t*)0x200000002c1c = htobe32(0xff000000); memcpy((void*)0x200000002c20, "bond_slave_1\000\000\000\000", 16); memcpy((void*)0x200000002c30, "bond0\000\000\000\000\000\000\000\000\000\000\000", 16); *(uint8_t*)0x200000002c40 = 0; *(uint8_t*)0x200000002c50 = 0; *(uint16_t*)0x200000002c60 = 0x84; *(uint8_t*)0x200000002c62 = 7; *(uint8_t*)0x200000002c63 = 2; *(uint8_t*)0x200000002c64 = 0x55; *(uint32_t*)0x200000002c68 = 0x300; *(uint16_t*)0x200000002c6c = 0x10d8; *(uint16_t*)0x200000002c6e = 0x1100; *(uint32_t*)0x200000002c70 = 0; *(uint64_t*)0x200000002c78 = 0x1000000; *(uint64_t*)0x200000002c80 = 0; *(uint16_t*)0x200000002c88 = 0x1030; memcpy((void*)0x200000002c8a, "cgroup\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000", 29); *(uint8_t*)0x200000002ca7 = 1; *(uint8_t*)0x200000002ca8 = 1; *(uint8_t*)0x200000002ca9 = 0; *(uint8_t*)0x200000002caa = 1; *(uint8_t*)0x200000002cab = 1; memcpy( (void*)0x200000002cac, 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"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000", 4096); *(uint32_t*)0x200000003cac = 0xfffffffc; *(uint64_t*)0x200000003cb0 = 3; *(uint16_t*)0x200000003cb8 = 0x28; memcpy((void*)0x200000003cba, "NFQUEUE\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000", 29); *(uint8_t*)0x200000003cd7 = 3; *(uint16_t*)0x200000003cd8 = 0; *(uint16_t*)0x200000003cda = 4; *(uint16_t*)0x200000003cdc = 0; memset((void*)0x200000003ce0, 0, 136); *(uint32_t*)0x200000003d68 = 0; *(uint16_t*)0x200000003d6c = 0xa8; *(uint16_t*)0x200000003d6e = 0xe8; *(uint32_t*)0x200000003d70 = 0; *(uint64_t*)0x200000003d78 = 0; *(uint64_t*)0x200000003d80 = 0; *(uint16_t*)0x200000003d88 = 0x40; memcpy((void*)0x200000003d8a, "LOG\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000", 29); *(uint8_t*)0x200000003da7 = 0; *(uint8_t*)0x200000003da8 = 6; *(uint8_t*)0x200000003da9 = 0x23; memcpy((void*)0x200000003daa, "\xe5\x9c\xfc\xfb\x19\x8f\x15\x87\x43\xd2\x33\x9d\x7b\x9f\x38\xbe\x33" "\xbc\x0c\x50\xc1\xd1\xb1\x17\xe1\xad\x91\x6a\x0c\xf4", 30); memset((void*)0x200000003dc8, 0, 136); *(uint32_t*)0x200000003e50 = 0; *(uint16_t*)0x200000003e54 = 0xa8; *(uint16_t*)0x200000003e56 = 0xd0; *(uint32_t*)0x200000003e58 = 0; *(uint64_t*)0x200000003e60 = 0; *(uint64_t*)0x200000003e68 = 0; *(uint16_t*)0x200000003e70 = 0x28; memset((void*)0x200000003e72, 0, 29); *(uint8_t*)0x200000003e8f = 0; *(uint32_t*)0x200000003e90 = 0xfffffffe; syscall(__NR_setsockopt, /*fd=*/r[0], /*level=*/0x29, /*opt=*/0x40, /*val=*/0x200000002b80ul, /*len=*/0x1318ul); return 0; }