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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-07-04 09:20:14 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-07-04 09:20:14 +0300 |
| commit | 8b082a41dae7d420db649bffe86cf5af62121f11 (patch) | |
| tree | 29fb0735bb80fa77edc3f8bcf0892474d29c33bd /fs/proc | |
| parent | b8e516b36748fd87943e54596a8a6f04ec05f1a5 (diff) | |
| parent | d4d80e69927ab5da67026c1c94e23c305dbc799e (diff) | |
| download | linux-8b082a41dae7d420db649bffe86cf5af62121f11.tar.xz | |
Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull sysctl fix from Al Viro:
"Another regression fix for sysctl changes this cycle..."
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
Call sysctl_head_finish on error
Diffstat (limited to 'fs/proc')
| -rw-r--r-- | fs/proc/proc_sysctl.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index 42c5128c7d1c..6c1166ccdaea 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -566,8 +566,9 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *ubuf, goto out; /* don't even try if the size is too large */ - if (count > KMALLOC_MAX_SIZE) - return -ENOMEM; + error = -ENOMEM; + if (count >= KMALLOC_MAX_SIZE) + goto out; if (write) { kbuf = memdup_user_nul(ubuf, count); @@ -576,7 +577,6 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *ubuf, goto out; } } else { - error = -ENOMEM; kbuf = kzalloc(count, GFP_KERNEL); if (!kbuf) goto out; |