// https://syzkaller.appspot.com/bug?id=9dbd5255735afa19d8bc1154a4154430c9db4079 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/7ul, /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul); intptr_t res = 0; memcpy((void*)0x20000040, "/sys/kernel/profiling", 21); res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*dir=*/0x20000040ul, /*flags=*/0x81002ul, /*mode=*/0ul); if (res != -1) r[0] = res; *(uint32_t*)0x20000000 = 0xffffff30; *(uint8_t*)0x20000004 = 0x1f; *(uint16_t*)0x20000005 = 0; *(uint64_t*)0x20000007 = 0; syscall(__NR_write, /*fd=*/r[0], /*data=*/0x20000000ul, /*size=*/0xful); return 0; }