// https://syzkaller.appspot.com/bug?id=406b87acfc2c869fa773928a9f62b1405ad7c5a4 // 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[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); intptr_t res = 0; res = syscall(__NR_socket, 0x10ul, 3ul, 0xc); if (res != -1) r[0] = res; *(uint64_t*)0x200000c0 = 0; *(uint32_t*)0x200000c8 = 0; *(uint64_t*)0x200000d0 = 0x20000000; *(uint64_t*)0x20000000 = 0x20000200; *(uint32_t*)0x20000200 = 0x14; *(uint16_t*)0x20000204 = 0x10; *(uint16_t*)0x20000206 = 1; *(uint32_t*)0x20000208 = 0; *(uint32_t*)0x2000020c = 0; *(uint8_t*)0x20000210 = 0; *(uint8_t*)0x20000211 = 0; *(uint16_t*)0x20000212 = htobe16(0xa); *(uint32_t*)0x20000214 = 0x20; *(uint8_t*)0x20000218 = 0; *(uint8_t*)0x20000219 = 0xa; *(uint16_t*)0x2000021a = 3; *(uint32_t*)0x2000021c = 0; *(uint32_t*)0x20000220 = 0; *(uint8_t*)0x20000224 = 0; *(uint8_t*)0x20000225 = 0; *(uint16_t*)0x20000226 = htobe16(0); *(uint16_t*)0x20000228 = 9; *(uint16_t*)0x2000022a = 1; memcpy((void*)0x2000022c, "syz0\000", 5); *(uint32_t*)0x20000234 = 0x9c; *(uint8_t*)0x20000238 = 9; *(uint8_t*)0x20000239 = 0xa; *(uint16_t*)0x2000023a = 0x401; *(uint32_t*)0x2000023c = 0; *(uint32_t*)0x20000240 = 0; *(uint8_t*)0x20000244 = 0; *(uint8_t*)0x20000245 = 0; *(uint16_t*)0x20000246 = htobe16(0); *(uint16_t*)0x20000248 = 8; STORE_BY_BITMASK(uint16_t, , 0x2000024a, 0xa, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x2000024b, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x2000024b, 0, 7, 1); *(uint32_t*)0x2000024c = htobe32(0); *(uint16_t*)0x20000250 = 9; *(uint16_t*)0x20000252 = 2; memcpy((void*)0x20000254, "syz1\000", 5); *(uint16_t*)0x2000025c = 9; *(uint16_t*)0x2000025e = 1; memcpy((void*)0x20000260, "syz0\000", 5); *(uint16_t*)0x20000268 = 8; STORE_BY_BITMASK(uint16_t, , 0x2000026a, 5, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x2000026b, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x2000026b, 0, 7, 1); *(uint32_t*)0x2000026c = htobe32(2); *(uint16_t*)0x20000270 = 0x60; STORE_BY_BITMASK(uint16_t, , 0x20000272, 9, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000273, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000273, 1, 7, 1); *(uint16_t*)0x20000274 = 0x4c; STORE_BY_BITMASK(uint16_t, , 0x20000276, 2, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000277, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000277, 1, 7, 1); *(uint16_t*)0x20000278 = 0x3c; STORE_BY_BITMASK(uint16_t, , 0x2000027a, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x2000027b, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x2000027b, 1, 7, 1); *(uint16_t*)0x2000027c = 8; STORE_BY_BITMASK(uint16_t, , 0x2000027e, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x2000027f, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x2000027f, 0, 7, 1); *(uint32_t*)0x20000280 = htobe32(0xb274); *(uint16_t*)0x20000284 = 8; STORE_BY_BITMASK(uint16_t, , 0x20000286, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000287, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000287, 0, 7, 1); *(uint32_t*)0x20000288 = htobe32(0x80d); *(uint16_t*)0x2000028c = 8; STORE_BY_BITMASK(uint16_t, , 0x2000028e, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x2000028f, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x2000028f, 0, 7, 1); *(uint32_t*)0x20000290 = htobe32(0x6b); *(uint16_t*)0x20000294 = 8; STORE_BY_BITMASK(uint16_t, , 0x20000296, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000297, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000297, 0, 7, 1); *(uint32_t*)0x20000298 = htobe32(0x7a65); *(uint16_t*)0x2000029c = 8; STORE_BY_BITMASK(uint16_t, , 0x2000029e, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x2000029f, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x2000029f, 0, 7, 1); *(uint32_t*)0x200002a0 = htobe32(7); *(uint16_t*)0x200002a4 = 8; STORE_BY_BITMASK(uint16_t, , 0x200002a6, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200002a7, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200002a7, 0, 7, 1); *(uint32_t*)0x200002a8 = htobe32(2); *(uint16_t*)0x200002ac = 8; STORE_BY_BITMASK(uint16_t, , 0x200002ae, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200002af, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200002af, 0, 7, 1); *(uint32_t*)0x200002b0 = htobe32(1); *(uint16_t*)0x200002b4 = 0xc; STORE_BY_BITMASK(uint16_t, , 0x200002b6, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200002b7, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200002b7, 1, 7, 1); *(uint16_t*)0x200002b8 = 8; STORE_BY_BITMASK(uint16_t, , 0x200002ba, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200002bb, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200002bb, 0, 7, 1); *(uint32_t*)0x200002bc = htobe32(9); *(uint16_t*)0x200002c0 = 8; STORE_BY_BITMASK(uint16_t, , 0x200002c2, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200002c3, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200002c3, 0, 7, 1); *(uint32_t*)0x200002c4 = htobe32(5); *(uint16_t*)0x200002c8 = 8; STORE_BY_BITMASK(uint16_t, , 0x200002ca, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200002cb, 1, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200002cb, 0, 7, 1); *(uint32_t*)0x200002cc = htobe32(0x40000000); *(uint32_t*)0x200002d0 = 0x14; *(uint16_t*)0x200002d4 = 0x10; *(uint16_t*)0x200002d6 = 1; *(uint32_t*)0x200002d8 = 0; *(uint32_t*)0x200002dc = 0; *(uint8_t*)0x200002e0 = 0; *(uint8_t*)0x200002e1 = 0; *(uint16_t*)0x200002e2 = htobe16(0xa); *(uint64_t*)0x20000008 = 0xe4; *(uint64_t*)0x200000d8 = 1; *(uint64_t*)0x200000e0 = 0; *(uint64_t*)0x200000e8 = 0; *(uint32_t*)0x200000f0 = 0; syscall(__NR_sendmsg, r[0], 0x200000c0ul, 0ul); return 0; }