diff options
| -rw-r--r-- | fs/compat.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/compat.c b/fs/compat.c index c2e0813164b..ac3fb9ed8ee 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -1645,8 +1645,10 @@ compat_sys_select(int n, compat_ulong_t __user *inp, compat_ulong_t __user *outp goto out_nofds; /* max_fdset can increase, so grab it once to avoid race */ + rcu_read_lock(); fdt = files_fdtable(current->files); max_fdset = fdt->max_fdset; + rcu_read_unlock(); if (n > max_fdset) n = max_fdset; |