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| author | Julia Cartwright <julia@ni.com> | 2018-01-15 13:09:37 -0600 |
|---|---|---|
| committer | Julia Cartwright <julia@ni.com> | 2018-01-15 13:09:37 -0600 |
| commit | 223a1a424ccc1a22fa77500bb1bced246d5dd855 (patch) | |
| tree | 35a62e7275ac840c7b20faa8cc40fe9798bcc950 /drivers/net/ethernet/brocade/bna/bnad_debugfs.c | |
| parent | 0c37397b6b8708f3cae24a8faeed2d1c84760892 (diff) | |
| parent | 7bbc6ca4887794cc44b41412a35bdfbe0cbd1c50 (diff) | |
Merge tag 'v4.9.76' into v4.9-rt
This is the 4.9.76 stable release
Diffstat (limited to 'drivers/net/ethernet/brocade/bna/bnad_debugfs.c')
| -rw-r--r-- | drivers/net/ethernet/brocade/bna/bnad_debugfs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/brocade/bna/bnad_debugfs.c b/drivers/net/ethernet/brocade/bna/bnad_debugfs.c index 05c1c1dd7751..cebfe3bd086e 100644 --- a/drivers/net/ethernet/brocade/bna/bnad_debugfs.c +++ b/drivers/net/ethernet/brocade/bna/bnad_debugfs.c @@ -325,7 +325,7 @@ bnad_debugfs_write_regrd(struct file *file, const char __user *buf, return PTR_ERR(kern_buf); rc = sscanf(kern_buf, "%x:%x", &addr, &len); - if (rc < 2) { + if (rc < 2 || len > UINT_MAX >> 2) { netdev_warn(bnad->netdev, "failed to read user buffer\n"); kfree(kern_buf); return -EINVAL; |