// https://syzkaller.appspot.com/bug?id=2f2c5d278a441ac0c09a2ecfa5f8be11688d5f1f // 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 29 #endif #ifndef __NR_mmap #define __NR_mmap 222 #endif #ifndef __NR_openat #define __NR_openat 56 #endif uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); intptr_t res = 0; memcpy((void*)0x20000300, "io.stat\000", 8); res = syscall(__NR_openat, 0xffffff9c, 0x20000300ul, 0x275aul, 0ul); if (res != -1) r[0] = res; *(uint32_t*)0x20000000 = 0x4000; syscall(__NR_ioctl, r[0], 0x40086602, 0x20000000ul); memcpy((void*)0x200001c0, "cgroup.controllers\000", 19); res = syscall(__NR_openat, 0xffffff9c, 0x200001c0ul, 0x275aul, 0ul); if (res != -1) r[1] = res; *(uint32_t*)0x20000700 = 1; syscall(__NR_ioctl, r[1], 0x4004662b, 0x20000700ul); return 0; }