Hi Feng, > - if (task_stack_end_corrupted(prev)) > + if (task_stack_end_corrupted(prev)) { > + unsigned long *ptr = end_of_stack(prev); > + > + /* Dump 16 ulong words around the corruption point */ > +#ifdef CONFIG_STACK_GROWSUP > + ptr -= 15; > +#endif > + print_hex_dump(KERN_ERR, "Corrupted Stack: ", > + DUMP_PREFIX_ADDRESS, 16, 1, ptr, 16 * sizeof(*ptr), 1); > + I would recommend determining the buffer element size with sizeof(unsigned long) for better readability and using "true" instead of "1" to set the value of the ascii parameter to print_hex_dump(), see [1]. Otherwise looks good to me. Reviewed-by: John Paul Adrian Glaubitz <glaubitz@xxxxxxxxxxxxxxxxxxx> PS: Please CC me for a potential v3. Thanks, Adrian > [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/lib/hexdump.c#n252 -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer `. `' Physicist `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913