// https://syzkaller.appspot.com/bug?id=1341173e8dcda4298a05009d01850eba98840dc4 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #define BITMASK(bf_off, bf_len) (((1ull << (bf_len)) - 1) << (bf_off)) #define STORE_BY_BITMASK(type, htobe, addr, val, bf_off, bf_len) \ *(type*)(addr) = \ htobe((htobe(*(type*)(addr)) & ~BITMASK((bf_off), (bf_len))) | \ (((type)(val) << (bf_off)) & BITMASK((bf_off), (bf_len)))) uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x32ul, -1, 0); intptr_t res = 0; res = syscall(__NR_socket, 0x10ul, 3ul, 0xcul); if (res != -1) r[0] = res; *(uint64_t*)0x20001080 = 0; *(uint32_t*)0x20001088 = 0; *(uint64_t*)0x20001090 = 0x20000080; *(uint64_t*)0x20000080 = 0x20000f80; *(uint32_t*)0x20000f80 = 0x4c; *(uint8_t*)0x20000f84 = 2; *(uint8_t*)0x20000f85 = 6; *(uint16_t*)0x20000f86 = 1; *(uint32_t*)0x20000f88 = 0; *(uint32_t*)0x20000f8c = 0; *(uint8_t*)0x20000f90 = 0; *(uint8_t*)0x20000f91 = 0; *(uint16_t*)0x20000f92 = htobe16(0); *(uint16_t*)0x20000f94 = 0x11; *(uint16_t*)0x20000f96 = 3; memcpy((void*)0x20000f98, "hash:net,net\000", 13); *(uint16_t*)0x20000fa8 = 5; *(uint16_t*)0x20000faa = 4; *(uint8_t*)0x20000fac = 0; *(uint16_t*)0x20000fb0 = 9; *(uint16_t*)0x20000fb2 = 2; memcpy((void*)0x20000fb4, "syz1\000", 5); *(uint16_t*)0x20000fbc = 5; *(uint16_t*)0x20000fbe = 5; *(uint8_t*)0x20000fc0 = 2; *(uint16_t*)0x20000fc4 = 5; *(uint16_t*)0x20000fc6 = 1; *(uint8_t*)0x20000fc8 = 7; *(uint64_t*)0x20000088 = 0x4c; *(uint64_t*)0x20001098 = 3; *(uint64_t*)0x200010a0 = 0; *(uint64_t*)0x200010a8 = 0; *(uint32_t*)0x200010b0 = 0; syscall(__NR_sendmsg, r[0], 0x20001080ul, 0ul); res = syscall(__NR_socket, 0x10ul, 3ul, 0xcul); if (res != -1) r[1] = res; *(uint64_t*)0x20000140 = 0; *(uint32_t*)0x20000148 = 0; *(uint64_t*)0x20000150 = 0x20000100; *(uint64_t*)0x20000100 = 0x20000040; *(uint32_t*)0x20000040 = 0xa8; *(uint8_t*)0x20000044 = 0xb; *(uint8_t*)0x20000045 = 6; *(uint16_t*)0x20000046 = 0x731; *(uint32_t*)0x20000048 = 0x70bd25; *(uint32_t*)0x2000004c = 0x25dfdbff; *(uint8_t*)0x20000050 = 0xe5; *(uint8_t*)0x20000051 = 0; *(uint16_t*)0x20000052 = htobe16(0xa); *(uint16_t*)0x20000054 = 8; STORE_BY_BITMASK(uint16_t, , 0x20000056, 9, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000057, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000057, 0, 7, 1); *(uint32_t*)0x20000058 = htobe32(0xffffffe1); *(uint16_t*)0x2000005c = 8; STORE_BY_BITMASK(uint16_t, , 0x2000005e, 9, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x2000005f, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x2000005f, 0, 7, 1); *(uint32_t*)0x20000060 = htobe32(0x100); *(uint16_t*)0x20000064 = 9; *(uint16_t*)0x20000066 = 2; memcpy((void*)0x20000068, "syz1\000", 5); *(uint16_t*)0x20000070 = 0x44; STORE_BY_BITMASK(uint16_t, , 0x20000072, 7, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000073, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000073, 1, 7, 1); *(uint16_t*)0x20000074 = 8; STORE_BY_BITMASK(uint16_t, , 0x20000076, 6, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000077, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000077, 0, 7, 1); *(uint32_t*)0x20000078 = htobe32(0x800); *(uint16_t*)0x2000007c = 0xc; STORE_BY_BITMASK(uint16_t, , 0x2000007e, 0x14, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x2000007f, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x2000007f, 1, 7, 1); *(uint16_t*)0x20000080 = 8; *(uint16_t*)0x20000082 = 1; *(uint32_t*)0x20000084 = htobe32(0); *(uint16_t*)0x20000088 = 0xc; STORE_BY_BITMASK(uint16_t, , 0x2000008a, 0x1b, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x2000008b, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x2000008b, 0, 7, 1); *(uint64_t*)0x2000008c = htobe64(3); *(uint16_t*)0x20000094 = 0xc; STORE_BY_BITMASK(uint16_t, , 0x20000096, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000097, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000097, 1, 7, 1); *(uint16_t*)0x20000098 = 8; *(uint16_t*)0x2000009a = 1; *(uint32_t*)0x2000009c = htobe32(0); *(uint16_t*)0x200000a0 = 8; STORE_BY_BITMASK(uint16_t, , 0x200000a2, 9, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000a3, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000a3, 0, 7, 1); *(uint32_t*)0x200000a4 = htobe32(0x65d3); *(uint16_t*)0x200000a8 = 0xc; STORE_BY_BITMASK(uint16_t, , 0x200000aa, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000ab, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000ab, 1, 7, 1); *(uint16_t*)0x200000ac = 8; *(uint16_t*)0x200000ae = 1; *(uint32_t*)0x200000b0 = htobe32(0); *(uint16_t*)0x200000b4 = 0x2c; STORE_BY_BITMASK(uint16_t, , 0x200000b6, 8, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000b7, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000b7, 1, 7, 1); *(uint16_t*)0x200000b8 = 0xc; STORE_BY_BITMASK(uint16_t, , 0x200000ba, 7, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000bb, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000bb, 1, 7, 1); *(uint16_t*)0x200000bc = 8; STORE_BY_BITMASK(uint16_t, , 0x200000be, 9, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000bf, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000bf, 0, 7, 1); *(uint32_t*)0x200000c0 = htobe32(0xa48e); *(uint16_t*)0x200000c4 = 0xc; STORE_BY_BITMASK(uint16_t, , 0x200000c6, 7, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000c7, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000c7, 1, 7, 1); *(uint16_t*)0x200000c8 = 8; STORE_BY_BITMASK(uint16_t, , 0x200000ca, 0xa, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000cb, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000cb, 0, 7, 1); *(uint32_t*)0x200000cc = htobe32(6); *(uint16_t*)0x200000d0 = 0x10; STORE_BY_BITMASK(uint16_t, , 0x200000d2, 7, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000d3, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000d3, 1, 7, 1); *(uint16_t*)0x200000d4 = 0xc; STORE_BY_BITMASK(uint16_t, , 0x200000d6, 0x16, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000d7, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000d7, 1, 7, 1); *(uint16_t*)0x200000d8 = 8; *(uint16_t*)0x200000da = 1; *(uint32_t*)0x200000dc = htobe32(0); *(uint16_t*)0x200000e0 = 5; *(uint16_t*)0x200000e2 = 1; *(uint8_t*)0x200000e4 = 7; *(uint64_t*)0x20000108 = 0xa8; *(uint64_t*)0x20000158 = 1; *(uint64_t*)0x20000160 = 0; *(uint64_t*)0x20000168 = 0; *(uint32_t*)0x20000170 = 0x11; syscall(__NR_sendmsg, r[1], 0x20000140ul, 0x20000000ul); return 0; }