// https://syzkaller.appspot.com/bug?id=9f347fed9d0ca9bc42314314f94b2464486abaec // 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_move_pages #define __NR_move_pages 239 #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)) { } // move_pages arguments: [ // pid: pid (resource) // nr: len = 0x20000000000000b3 (8 bytes) // pages: ptr[in, array[vma]] { // array[vma] { // } // } // nodes: ptr[in, array[int32]] { // array[int32] { // int32 = 0x0 (4 bytes) // } // } // status: nil // flags: move_pages_flags = 0x0 (8 bytes) // ] *(uint32_t*)0x20000080 = 0; syscall(__NR_move_pages, /*pid=*/0, /*nr=*/0x20000000000000b3ul, /*pages=*/0x20000280ul, /*nodes=*/0x20000080ul, /*status=*/0ul, /*flags=*/0ul); return 0; }