// autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } // openat$loop_ctrl arguments: [ // fd: const = 0xffffffffffffff9c (8 bytes) // file: ptr[in, buffer] { // buffer: {2f 64 65 76 2f 6c 6f 6f 70 2d 63 6f 6e 74 72 6f 6c 00} // (length 0x12) // } // flags: open_flags = 0x22002 (4 bytes) // mode: const = 0x0 (2 bytes) // ] // returns fd_loop_ctrl memcpy((void*)0x200000000000, "/dev/loop-control\000", 18); res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x200000000000ul, /*flags=O_NOFOLLOW|FASYNC|O_RDWR*/ 0x22002, /*mode=*/0); if (res != -1) r[0] = res; // ioctl$AUTOFS_IOC_FAIL arguments: [ // fd: fd (resource) // cmd: const = 0x4c80 (4 bytes) // arg: intptr = 0x4080f9 (8 bytes) // ] syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x4c80, /*arg=*/0x4080f9ul); return 0; }