// https://syzkaller.appspot.com/bug?id=acd2d54887dd6a4109accf80bfdb3e9f2a9d1eb3 // 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)) { } memcpy((void*)0x200000000040, "/dev/comedi1\000", 13); res = syscall(__NR_openat, /*fd=*/0xffffff9cul, /*file=*/0x200000000040ul, /*flags=O_NOCTTY|O_EXCL|FASYNC*/ 0x2180, /*mode=*/0); if (res != -1) r[0] = res; syscall(__NR_bind, /*fd=*/(intptr_t)-1, /*addr=*/0ul, /*len=*/0ul); memcpy((void*)0x200000000280, "pcl812\000\000\000\000\000\000\000\000\000\000\000\000\000\000", 20); *(uint32_t*)0x200000000294 = 0x2f00; *(uint32_t*)0x200000000298 = 0x40000005; *(uint32_t*)0x20000000029c = 3; *(uint32_t*)0x2000000002a0 = 2; *(uint32_t*)0x2000000002a4 = 0; *(uint32_t*)0x2000000002a8 = 1; *(uint32_t*)0x2000000002ac = 1; *(uint32_t*)0x2000000002b0 = 9; *(uint32_t*)0x2000000002b4 = 0xffe; *(uint32_t*)0x2000000002b8 = 1; *(uint32_t*)0x2000000002bc = 0xc; *(uint32_t*)0x2000000002c0 = 1; *(uint32_t*)0x2000000002c4 = 4; *(uint32_t*)0x2000000002c8 = 4; *(uint32_t*)0x2000000002cc = 0xffff; *(uint32_t*)0x2000000002d0 = 6; *(uint32_t*)0x2000000002d4 = 0xffffffa7; *(uint32_t*)0x2000000002d8 = 0x40000009; *(uint32_t*)0x2000000002dc = 0x832; *(uint32_t*)0x2000000002e0 = 0x30000; *(uint32_t*)0x2000000002e4 = 0x3ff; *(uint32_t*)0x2000000002e8 = 9; *(uint32_t*)0x2000000002ec = 0x800; *(uint32_t*)0x2000000002f0 = 0xe2df; *(uint32_t*)0x2000000002f4 = 2; *(uint32_t*)0x2000000002f8 = 1; *(uint32_t*)0x2000000002fc = 0x80; *(uint32_t*)0x200000000300 = 3; *(uint32_t*)0x200000000304 = 4; *(uint32_t*)0x200000000308 = 7; *(uint32_t*)0x20000000030c = 0x70f; *(uint32_t*)0x200000000310 = 0; syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x40946400, /*arg=*/0x200000000280ul); return 0; }