// https://syzkaller.appspot.com/bug?id=806be1ee5aa1ccf8f49ce7600b2d4a5b7be9ae2c // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #ifndef __NR_mmap #define __NR_mmap 222 #endif #ifndef __NR_remap_file_pages #define __NR_remap_file_pages 234 #endif int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*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=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } syscall( __NR_mmap, /*addr=*/0x20400000ul, /*len=*/0xc00000ul, /*prot=PROT_GROWSUP|PROT_GROWSDOWN|PROT_WRITE*/ 0x3000002ul, /*flags=MAP_POPULATE|MAP_NORESERVE|MAP_NONBLOCK|MAP_HUGETLB|MAP_FIXED|0x1021*/ 0x5d031ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall( __NR_remap_file_pages, /*addr=*/0x20800000ul, /*size=*/0x800000ul, /*prot=*/0ul, /*pgoff=*/0ul, /*flags=MAP_FIXED_NOREPLACE|MAP_SYNC|MAP_SHARED_VALIDATE|MAP_STACK|MAP_POPULATE|MAP_NORESERVE|MAP_NONBLOCK|0xf0e43ffc*/ 0xf0fffffful); return 0; }