From: Eric Dumazet While auditing proc_doulongvec_ms_jiffies_minmax() usage in kernel, I found a bug in drivers/parport/procfs.c, incorrectly using sizeof(int) instead of sizeof(unsigned long) Only 64bit arches are affected by this old bug. Signed-off-by: Eric Dumazet Signed-off-by: Andrew Morton --- drivers/parport/procfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN drivers/parport/procfs.c~parport-dev-timeslice-is-an-unsigned-long-not-an-int drivers/parport/procfs.c --- a/drivers/parport/procfs.c~parport-dev-timeslice-is-an-unsigned-long-not-an-int +++ a/drivers/parport/procfs.c @@ -384,7 +384,7 @@ parport_device_sysctl_template = { { .procname = "timeslice", .data = NULL, - .maxlen = sizeof(int), + .maxlen = sizeof(unsigned long), .mode = 0644, .proc_handler = &proc_doulongvec_ms_jiffies_minmax, .extra1 = (void*) &parport_min_timeslice_value, _