// https://syzkaller.appspot.com/bug?id=e65349bf521316a169c92614cbc68d53ac1f2bed // autogenerated by syzkaller (http://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #ifndef __NR_dup2 #define __NR_dup2 63 #endif #ifndef __NR_mmap #define __NR_mmap 192 #endif #ifndef __NR_socket #define __NR_socket 359 #endif #ifndef __NR_openat #define __NR_openat 295 #endif #ifndef __NR_ioctl #define __NR_ioctl 54 #endif #ifndef __NR_eventfd #define __NR_eventfd 323 #endif #undef __NR_mmap #define __NR_mmap __NR_mmap2 long r[3]; void loop() { memset(r, -1, sizeof(r)); syscall(__NR_mmap, 0x20000000, 0xfff000, 3, 0x32, -1, 0); r[0] = syscall(__NR_socket, 2, 1, 0); memcpy((void*)0x203de000, "/dev/vhost-net", 15); r[1] = syscall(__NR_openat, 0xffffff9c, 0x203de000, 2, 0); *(uint64_t*)0x201e3000 = 0; syscall(__NR_ioctl, r[1], 0xaf01, 0x201e3000); r[2] = syscall(__NR_eventfd, 0); *(uint32_t*)0x208ffff8 = 1; *(uint32_t*)0x208ffffc = r[2]; syscall(__NR_ioctl, r[1], 0x4008af20, 0x208ffff8); syscall(__NR_ioctl, r[1], 0xaf02, 0); syscall(__NR_dup2, r[0], r[1]); } int main() { loop(); return 0; }