diff options
| author |   Christoph Hellwig <hch@lst.de> | 2020-06-03 07:52:34 +0200 |
|---|---|---|
| committer |   Al Viro <viro@zeniv.linux.org.uk> | 2020-06-08 10:13:56 -0400 |
| commit | 56965ac7253ece22050cf31ea5d1558e4c49cff2 (patch) | |
| tree | a598ea62e72c73c034dd1e1233995ee60b49a676 /net | |
| parent | sysctl: pass kernel pointers to ->proc_handler (diff) | |
| download | linux-dev-56965ac7253ece22050cf31ea5d1558e4c49cff2.tar.xz linux-dev-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.c | 2 |
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; |