// https://syzkaller.appspot.com/bug?id=ab136f1e51bcdf545b941b75c5d4215c6c2e3353 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #ifndef __NR_ioctl #define __NR_ioctl 54 #endif #ifndef __NR_mmap #define __NR_mmap 192 #endif #ifndef __NR_openat #define __NR_openat 295 #endif #undef __NR_mmap #define __NR_mmap __NR_mmap2 uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); intptr_t res = 0; memcpy((void*)0x20000180, "/dev/uinput\000", 12); res = syscall(__NR_openat, 0xffffff9c, 0x20000180, 0, 0); if (res != -1) r[0] = res; *(uint16_t*)0x20000080 = 0x2f; *(uint32_t*)0x20000084 = 0; *(uint32_t*)0x20000088 = 0; *(uint32_t*)0x2000008c = 0x2000fffb; *(uint32_t*)0x20000090 = 0; *(uint32_t*)0x20000094 = 0; *(uint32_t*)0x20000098 = 0; syscall(__NR_ioctl, (intptr_t)r[0], 0x401c5504, 0x20000080); syscall(__NR_ioctl, (intptr_t)r[0], 0x40045564, 3); *(uint16_t*)0x200000c0 = 0; *(uint16_t*)0x200000c2 = 0; *(uint16_t*)0x200000c4 = 0; *(uint16_t*)0x200000c6 = 0; memcpy((void*)0x200000c8, "syz0\000\000\000\000\000\200\24017\b\354\326#" "\000\000\000\000\000\000\000\b\000\000\000q\253\224%" "\000\000\377\377\377\377\377\377\377\347\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000", 80); *(uint32_t*)0x20000118 = 0; syscall(__NR_ioctl, (intptr_t)r[0], 0x405c5503, 0x200000c0); syscall(__NR_ioctl, (intptr_t)r[0], 0x5501, 0); return 0; }