// https://syzkaller.appspot.com/bug?id=1e83ac6cbad32f9cec5ab0a09db920aa68f2916b // 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*)0x200000000140, "/dev/comedi0\000", 13); res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x200000000140ul, /*flags=O_LARGEFILE|O_EXCL*/ 0x8080, /*mode=*/0); if (res != -1) r[0] = res; memcpy((void*)0x200000000080, "pcl818\000\000\000\000\000\000\000\000\000\000\000\000\000\000", 20); *(uint32_t*)0x200000000094 = 4; *(uint32_t*)0x200000000098 = 0x80008000; *(uint32_t*)0x20000000009c = 1; *(uint32_t*)0x2000000000a0 = 0xa; *(uint32_t*)0x2000000000a4 = 0x100; *(uint32_t*)0x2000000000a8 = 0x100000; *(uint32_t*)0x2000000000ac = 1; *(uint32_t*)0x2000000000b0 = 0xf; *(uint32_t*)0x2000000000b4 = 0x1000; *(uint32_t*)0x2000000000b8 = 1; *(uint32_t*)0x2000000000bc = 8; *(uint32_t*)0x2000000000c0 = 5; *(uint32_t*)0x2000000000c4 = 6; *(uint32_t*)0x2000000000c8 = 4; *(uint32_t*)0x2000000000cc = 0xffff; *(uint32_t*)0x2000000000d0 = 6; *(uint32_t*)0x2000000000d4 = 0xffffffa7; *(uint32_t*)0x2000000000d8 = 9; *(uint32_t*)0x2000000000dc = 0xfffffffd; *(uint32_t*)0x2000000000e0 = 0x660; *(uint32_t*)0x2000000000e4 = 0x3ff; *(uint32_t*)0x2000000000e8 = 0x10000; *(uint32_t*)0x2000000000ec = 0x800; *(uint32_t*)0x2000000000f0 = 0xe2df; *(uint32_t*)0x2000000000f4 = 9; *(uint32_t*)0x2000000000f8 = 0x4e; *(uint32_t*)0x2000000000fc = 4; *(uint32_t*)0x200000000100 = 3; *(uint32_t*)0x200000000104 = 7; *(uint32_t*)0x200000000108 = 5; *(uint32_t*)0x20000000010c = 0xfc; *(uint32_t*)0x200000000110 = 0; syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x40946400, /*arg=*/0x200000000080ul); return 0; }