diff options
Diffstat (limited to 'linux-__get_nprocs_sched-do-not-feed-CPU_COUNT_S-wit.patch')
| -rw-r--r-- | linux-__get_nprocs_sched-do-not-feed-CPU_COUNT_S-wit.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/linux-__get_nprocs_sched-do-not-feed-CPU_COUNT_S-wit.patch b/linux-__get_nprocs_sched-do-not-feed-CPU_COUNT_S-wit.patch new file mode 100644 index 0000000..0bf8f6d --- /dev/null +++ b/linux-__get_nprocs_sched-do-not-feed-CPU_COUNT_S-wit.patch @@ -0,0 +1,30 @@ +From 97ba273b505763325efd802dc3a9562dbba79579 Mon Sep 17 00:00:00 2001 +From: Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org> +Date: Tue, 1 Feb 2022 22:39:02 +0000 +Subject: [PATCH] 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 <ldv@altlinux.org> +--- + sysdeps/unix/sysv/linux/getsysstats.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +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 +-- +1.8.3.1 + |