// https://syzkaller.appspot.com/bug?id=af4e096cd916465ae6a9d7d2b680fc321d75e60e // 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, 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*)0x20000180, "/dev/fb0\000", 9); res = syscall(__NR_openat, 0xffffff9c, 0x20000180, 0, 0); if (res != -1) r[0] = res; *(uint32_t*)0x20000000 = 0x280; *(uint32_t*)0x20000004 = 0; *(uint32_t*)0x20000008 = 0; *(uint32_t*)0x2000000c = 0x1000; *(uint32_t*)0x20000010 = 0x200; *(uint32_t*)0x20000014 = 0; *(uint32_t*)0x20000018 = 4; *(uint32_t*)0x2000001c = 0; *(uint32_t*)0x20000020 = 0; *(uint32_t*)0x20000024 = 0; *(uint32_t*)0x20000028 = 0; *(uint32_t*)0x2000002c = 0; *(uint32_t*)0x20000030 = 0; *(uint32_t*)0x20000034 = 0; *(uint32_t*)0x20000038 = 0; *(uint32_t*)0x2000003c = 0; *(uint32_t*)0x20000040 = 0; *(uint32_t*)0x20000044 = 0; *(uint32_t*)0x20000048 = 0; *(uint32_t*)0x2000004c = 0; *(uint32_t*)0x20000050 = 0; *(uint32_t*)0x20000054 = 0; *(uint32_t*)0x20000058 = 0; *(uint32_t*)0x2000005c = 0; *(uint32_t*)0x20000060 = 0; *(uint32_t*)0x20000064 = 0; *(uint32_t*)0x20000068 = 0; *(uint32_t*)0x2000006c = 0; *(uint32_t*)0x20000070 = 0; *(uint32_t*)0x20000074 = 0; *(uint32_t*)0x20000078 = 9; *(uint32_t*)0x2000007c = 0; *(uint32_t*)0x20000080 = 0; *(uint32_t*)0x20000084 = 0; *(uint32_t*)0x20000088 = 0; *(uint32_t*)0x2000008c = 0; *(uint32_t*)0x20000090 = 0; *(uint32_t*)0x20000094 = 0; *(uint32_t*)0x20000098 = 0; *(uint32_t*)0x2000009c = 0; syscall(__NR_ioctl, (intptr_t)r[0], 0x4601, 0x20000000); return 0; }