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authorChristoph Hellwig <hch@lst.de>2020-06-03 07:52:34 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2020-06-08 16:13:56 +0200
commit56965ac7253ece22050cf31ea5d1558e4c49cff2 (patch)
treea598ea62e72c73c034dd1e1233995ee60b49a676 /net
parentsysctl: pass kernel pointers to ->proc_handler (diff)
downloadlinux-56965ac7253ece22050cf31ea5d1558e4c49cff2.tar.xz
linux-56965ac7253ece22050cf31ea5d1558e4c49cff2.zip
net/sysctl: use cpumask_parse in flow_limit_cpu_sysctl
cpumask_parse_user works on __user pointers, so this is wrong now. Fixes: 32927393dc1c ("sysctl: pass kernel pointers to ->proc_handler") Reported-by: build test robot <lkp@intel.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'net')
-rw-r--r--net/core/sysctl_net_core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index 0ddb13a6282b..d14d049af52a 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -126,7 +126,7 @@ static int flow_limit_cpu_sysctl(struct ctl_table *table, int write,
return -ENOMEM;
if (write) {
- ret = cpumask_parse_user(buffer, *lenp, mask);
+ ret = cpumask_parse(buffer, mask);
if (ret)
goto done;