// https://syzkaller.appspot.com/bug?id=8811da714a6d22caa3b77119a3711303936e598b // 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, 0); if (res != -1) r[0] = res; *(uint64_t*)0x20000140 = 0; *(uint32_t*)0x20000148 = 0; *(uint64_t*)0x20000150 = 0x200000c0; *(uint64_t*)0x200000c0 = 0x20000280; *(uint32_t*)0x20000280 = 0x70; *(uint16_t*)0x20000284 = 0x30; *(uint16_t*)0x20000286 = 1; *(uint32_t*)0x20000288 = 0; *(uint32_t*)0x2000028c = 0; *(uint8_t*)0x20000290 = 0; *(uint8_t*)0x20000291 = 0; *(uint16_t*)0x20000292 = 0; *(uint16_t*)0x20000294 = 0x5c; *(uint16_t*)0x20000296 = 1; *(uint16_t*)0x20000298 = 0x58; STORE_BY_BITMASK(uint16_t, , 0x2000029a, 1, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x2000029b, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x2000029b, 0, 7, 1); *(uint16_t*)0x2000029c = 0xb; *(uint16_t*)0x2000029e = 1; memcpy((void*)0x200002a0, "sample\000", 7); *(uint16_t*)0x200002a8 = 0x2c; STORE_BY_BITMASK(uint16_t, , 0x200002aa, 2, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200002ab, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200002ab, 1, 7, 1); *(uint16_t*)0x200002ac = 8; *(uint16_t*)0x200002ae = 3; *(uint32_t*)0x200002b0 = 2; *(uint16_t*)0x200002b4 = 8; *(uint16_t*)0x200002b6 = 5; *(uint32_t*)0x200002b8 = 0; *(uint16_t*)0x200002bc = 0x18; *(uint16_t*)0x200002be = 2; *(uint32_t*)0x200002c0 = 0; *(uint32_t*)0x200002c4 = 0; *(uint32_t*)0x200002c8 = 0; *(uint32_t*)0x200002cc = 0; *(uint32_t*)0x200002d0 = 0; *(uint16_t*)0x200002d4 = 4; *(uint16_t*)0x200002d6 = 6; *(uint16_t*)0x200002d8 = 0xc; *(uint16_t*)0x200002da = 7; *(uint32_t*)0x200002dc = 0; *(uint32_t*)0x200002e0 = 0; *(uint16_t*)0x200002e4 = 0xc; *(uint16_t*)0x200002e6 = 8; *(uint32_t*)0x200002e8 = 0; *(uint32_t*)0x200002ec = 0; *(uint64_t*)0x200000c8 = 0x70; *(uint64_t*)0x20000158 = 1; *(uint64_t*)0x20000160 = 0; *(uint64_t*)0x20000168 = 0; *(uint32_t*)0x20000170 = 0; syscall(__NR_sendmsg, r[0], 0x20000140ul, 0ul); return 0; }