// https://syzkaller.appspot.com/bug?id=4b1e841004ca235843fe3dd609a5dda6d3fb9a3d // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #ifndef __NR_mmap #define __NR_mmap 192 #endif #ifndef __NR_openat #define __NR_openat 295 #endif #ifndef __NR_write #define __NR_write 4 #endif #undef __NR_mmap #define __NR_mmap __NR_mmap2 uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x1ffff000, 0x1000, 0, 0x32, -1, 0); syscall(__NR_mmap, 0x20000000, 0x1000000, 7, 0x32, -1, 0); syscall(__NR_mmap, 0x21000000, 0x1000, 0, 0x32, -1, 0); intptr_t res = 0; memcpy((void*)0x20000000, "/dev/qrtr-tun\000", 14); res = syscall(__NR_openat, 0xffffff9c, 0x20000000, 0x82, 0); if (res != -1) r[0] = res; memcpy((void*)0x20000000, "\x01\x21\x21\x39\x98\xae\xf0\x39\xd6\x2c\xf3\x50" "\x1a\x47\x56\x52\x19\x56\x86\xef\xfd\xff\xff\xff" "\xff\xff\xff\x00\xfe\xff\xff\xff", 32); syscall(__NR_write, (intptr_t)r[0], 0x20000000, 0x20); return 0; }