// https://syzkaller.appspot.com/bug?id=300dae2434103497f561189456da46c4b6197cc0 // 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_prctl #define __NR_prctl 167 #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)) { } // prctl$PR_SET_MM_MAP arguments: [ // option: const = 0x23 (8 bytes) // opt: const = 0xf (8 bytes) // arg: nil // len: bytesize = 0x0 (8 bytes) // ] syscall(__NR_prctl, /*option=*/0x23ul, /*opt=*/0xful, /*arg=*/0ul, /*len=*/0ul, 0); return 0; }