[PATCH] seqfile: fix uninitialized memory allocation inmounts_open()

[Fengguang Wu]

proc_mounts.m.buf is not explicitly zeroed at allocation time, which
may later confuse the seqfile code and triggle an kfree(m->buf).

Signed-off-by: Fengguang Wu <wfg@xxxxxxxxxxxxxxxx>
---

--- linux.orig/fs/proc/base.c
+++ linux/fs/proc/base.c
@@ -380,7 +380,7 @@ static int mounts_open(struct inode *ino
 
 	if (ns) {
 		ret = -ENOMEM;
-		p = kmalloc(sizeof(struct proc_mounts), GFP_KERNEL);
+		p = kzalloc(sizeof(struct proc_mounts), GFP_KERNEL);
 		if (p) {
 			file->private_data = &p->m;
 			ret = seq_open(file, &mounts_op);

-
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