// https://syzkaller.appspot.com/bug?id=c52f0290d730ffb8a934e281e028be732673a1b9 // 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, 0x10); if (res != -1) r[0] = res; *(uint64_t*)0x200001c0 = 0; *(uint32_t*)0x200001c8 = 0; *(uint64_t*)0x200001d0 = 0x20000100; *(uint64_t*)0x20000100 = 0x20000580; *(uint32_t*)0x20000580 = 0x1c; *(uint16_t*)0x20000584 = 0x27; *(uint16_t*)0x20000586 = 0x829; *(uint32_t*)0x20000588 = 1; *(uint32_t*)0x2000058c = 0; *(uint8_t*)0x20000590 = 4; *(uint8_t*)0x20000591 = 0; *(uint16_t*)0x20000592 = 0; *(uint16_t*)0x20000594 = 8; STORE_BY_BITMASK(uint16_t, , 0x20000596, 0xc, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000597, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000597, 0, 7, 1); *(uint32_t*)0x20000598 = 0; *(uint64_t*)0x20000108 = 0x1c; *(uint64_t*)0x200001d8 = 1; *(uint64_t*)0x200001e0 = 0xffffff7f0e000000; *(uint64_t*)0x200001e8 = 0; *(uint32_t*)0x200001f0 = 0x4040000; syscall(__NR_sendmsg, r[0], 0x200001c0ul, 0x4000010ul); return 0; }