// https://syzkaller.appspot.com/bug?id=2364bdc6bf567f4eff0a655872b67dca3b4fac56 // 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*)0x20000300 = 0; *(uint32_t*)0x20000308 = 0; *(uint64_t*)0x20000310 = 0x200002c0; *(uint64_t*)0x200002c0 = 0x20000440; *(uint32_t*)0x20000440 = 0x5c; *(uint8_t*)0x20000444 = 2; *(uint8_t*)0x20000445 = 6; *(uint16_t*)0x20000446 = 1; *(uint32_t*)0x20000448 = 0; *(uint32_t*)0x2000044c = 0; *(uint8_t*)0x20000450 = 0; *(uint8_t*)0x20000451 = 0; *(uint16_t*)0x20000452 = htobe16(0); *(uint16_t*)0x20000454 = 9; *(uint16_t*)0x20000456 = 2; memcpy((void*)0x20000458, "syz0\000", 5); *(uint16_t*)0x20000460 = 0x15; *(uint16_t*)0x20000462 = 3; memcpy((void*)0x20000464, "hash:ip,port,net\000", 17); *(uint16_t*)0x20000478 = 0xc; STORE_BY_BITMASK(uint16_t, , 0x2000047a, 7, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x2000047b, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x2000047b, 1, 7, 1); *(uint16_t*)0x2000047c = 8; STORE_BY_BITMASK(uint16_t, , 0x2000047e, 0x13, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x2000047f, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x2000047f, 0, 7, 1); *(uint32_t*)0x20000480 = htobe32(0); *(uint16_t*)0x20000484 = 5; *(uint16_t*)0x20000486 = 1; *(uint8_t*)0x20000488 = 7; *(uint16_t*)0x2000048c = 5; *(uint16_t*)0x2000048e = 4; *(uint8_t*)0x20000490 = 0; *(uint16_t*)0x20000494 = 5; *(uint16_t*)0x20000496 = 5; *(uint8_t*)0x20000498 = 2; *(uint64_t*)0x200002c8 = 0x5c; *(uint64_t*)0x20000318 = 1; *(uint64_t*)0x20000320 = 0; *(uint64_t*)0x20000328 = 0; *(uint32_t*)0x20000330 = 0; syscall(__NR_sendmsg, r[0], 0x20000300ul, 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 = 0x94; *(uint8_t*)0x20000044 = 0xb; *(uint8_t*)0x20000045 = 6; *(uint16_t*)0x20000046 = 1; *(uint32_t*)0x20000048 = 0x70bd2a; *(uint32_t*)0x2000004c = 0x25dfdbfd; *(uint8_t*)0x20000050 = 7; *(uint8_t*)0x20000051 = 0; *(uint16_t*)0x20000052 = htobe16(2); *(uint16_t*)0x20000054 = 5; *(uint16_t*)0x20000056 = 1; *(uint8_t*)0x20000058 = 7; *(uint16_t*)0x2000005c = 9; *(uint16_t*)0x2000005e = 2; memcpy((void*)0x20000060, "syz0\000", 5); *(uint16_t*)0x20000068 = 5; *(uint16_t*)0x2000006a = 1; *(uint8_t*)0x2000006c = 7; *(uint16_t*)0x20000070 = 0x18; 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 = 0xc; STORE_BY_BITMASK(uint16_t, , 0x20000076, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000077, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000077, 1, 7, 1); *(uint16_t*)0x20000078 = 8; STORE_BY_BITMASK(uint16_t, , 0x2000007a, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x2000007b, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x2000007b, 0, 7, 1); *(uint32_t*)0x2000007c = htobe32(0); *(uint16_t*)0x20000080 = 8; STORE_BY_BITMASK(uint16_t, , 0x20000082, 9, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000083, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000083, 0, 7, 1); *(uint32_t*)0x20000084 = htobe32(0x5f0fbb8b); *(uint16_t*)0x20000088 = 0x4c; STORE_BY_BITMASK(uint16_t, , 0x2000008a, 7, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x2000008b, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x2000008b, 1, 7, 1); *(uint16_t*)0x2000008c = 5; *(uint16_t*)0x2000008e = 3; *(uint8_t*)0x20000090 = 7; *(uint16_t*)0x20000094 = 6; STORE_BY_BITMASK(uint16_t, , 0x20000096, 0x1d, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000097, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000097, 0, 7, 1); *(uint16_t*)0x20000098 = htobe16(9); *(uint16_t*)0x2000009c = 6; STORE_BY_BITMASK(uint16_t, , 0x2000009e, 4, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x2000009f, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x2000009f, 0, 7, 1); *(uint16_t*)0x200000a0 = htobe16(0x4e20); *(uint16_t*)0x200000a4 = 8; STORE_BY_BITMASK(uint16_t, , 0x200000a6, 6, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000a7, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000a7, 0, 7, 1); *(uint32_t*)0x200000a8 = htobe32(0x7ff); *(uint16_t*)0x200000ac = 8; STORE_BY_BITMASK(uint16_t, , 0x200000ae, 9, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000af, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000af, 0, 7, 1); *(uint32_t*)0x200000b0 = htobe32(2); *(uint16_t*)0x200000b4 = 8; STORE_BY_BITMASK(uint16_t, , 0x200000b6, 6, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000b7, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000b7, 0, 7, 1); *(uint32_t*)0x200000b8 = htobe32(0); *(uint16_t*)0x200000bc = 0x18; STORE_BY_BITMASK(uint16_t, , 0x200000be, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000bf, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000bf, 1, 7, 1); *(uint16_t*)0x200000c0 = 0x14; STORE_BY_BITMASK(uint16_t, , 0x200000c2, 2, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000c3, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000c3, 0, 7, 1); memcpy((void*)0x200000c4, "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000", 16); *(uint64_t*)0x20000108 = 0x94; *(uint64_t*)0x20000158 = 1; *(uint64_t*)0x20000160 = 0; *(uint64_t*)0x20000168 = 0; *(uint32_t*)0x20000170 = 0xd0; syscall(__NR_sendmsg, r[1], 0x20000140ul, 2ul); return 0; }