// https://syzkaller.appspot.com/bug?id=8f063539d4ecf1faf3132624b57a641e923ee25a // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include uint64_t r[4] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); long res = 0; *(uint32_t*)0x20000000 = 0; *(uint16_t*)0x20000004 = 0; *(uint32_t*)0x20001680 = 7; syscall(__NR_getsockopt, -1, 0x84, 0x7d, 0x20000000, 0x20001680); res = syscall(__NR_socketpair, 1, 1, 0, 0x20000100); if (res != -1) r[0] = *(uint32_t*)0x20000104; syscall(__NR_ioctl, r[0], 0x8912, 0x400200); memcpy((void*)0x20000140, "/dev/kvm", 9); res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000140, 0, 0); if (res != -1) r[1] = res; res = syscall(__NR_ioctl, r[1], 0xae01, 0); if (res != -1) r[2] = res; res = syscall(__NR_ioctl, r[2], 0xae41, 0); if (res != -1) r[3] = res; syscall(__NR_ioctl, r[3], 0x4080aebf, 0x20000240); syscall(__NR_socketpair, 1, 1, 0, 0x20000100); syscall(__NR_ioctl, -1, 0xae41, 0); memcpy((void*)0x20000100, "./cgroup.net/syz1", 18); syscall(__NR_openat, 0xffffffffffffff9c, 0x20000100, 0x200002, 0); *(uint32_t*)0x20000500 = -1; syscall(__NR_ioctl, -1, 0x800454e1, 0x20000500); *(uint32_t*)0x20000400 = 0x13; *(uint16_t*)0x20000404 = 0x10; *(uint16_t*)0x20000406 = 0xfa00; *(uint64_t*)0x20000408 = 0x20000180; *(uint32_t*)0x20000410 = -1; *(uint32_t*)0x20000414 = 0; syscall(__NR_write, -1, 0x20000400, 0x18); return 0; }