From 97ba273b505763325efd802dc3a9562dbba79579 Mon Sep 17 00:00:00 2001 From: Gleb Fotengauer-Malinovskiy Date: Tue, 1 Feb 2022 22:39:02 +0000 Subject: linux: __get_nprocs_sched: do not feed CPU_COUNT_S with garbage [BZ #28850] Pass the actual number of bytes returned by the kernel. Fixes: 33099d72e41c ("linux: Simplify get_nprocs") Reviewed-by: Dmitry V. Levin --- sysdeps/unix/sysv/linux/getsysstats.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'sysdeps/unix') diff --git a/sysdeps/unix/sysv/linux/getsysstats.c b/sysdeps/unix/sysv/linux/getsysstats.c index 4798cc3..c98c8ce 100644 --- a/sysdeps/unix/sysv/linux/getsysstats.c +++ b/sysdeps/unix/sysv/linux/getsysstats.c @@ -44,7 +44,7 @@ __get_nprocs_sched (void) int r = INTERNAL_SYSCALL_CALL (sched_getaffinity, 0, cpu_bits_size, cpu_bits); if (r > 0) - return CPU_COUNT_S (cpu_bits_size, (cpu_set_t*) cpu_bits); + return CPU_COUNT_S (r, (cpu_set_t*) cpu_bits); else if (r == -EINVAL) /* The input buffer is still not enough to store the number of cpus. This is an arbitrary values assuming such systems should be rare and there -- cgit v1.1