Merge branch 'at91-5.10-trunk/fixes' into linux-5.10-at91

cristibirsan · cristibirsan · commit a9b8853a581e · 2021-07-21T19:47:16.000+03:00
diff --git a/fs/seq_file.c b/fs/seq_file.c
@@ -32,6 +32,9 @@ static void seq_set_overflow(struct seq_file *m)
 
 static void *seq_buf_alloc(unsigned long size)
 {
+	if (unlikely(size > MAX_RW_COUNT))
+		return NULL;
+
 	return kvmalloc(size, GFP_KERNEL_ACCOUNT);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -32,6 +32,9 @@ static void seq_set_overflow(struct seq_file *m)`
`32`	`32`
`33`	`33`	`static void *seq_buf_alloc(unsigned long size)`
`34`	`34`	`{`
	`35`	`+ if (unlikely(size > MAX_RW_COUNT))`
	`36`	`+ return NULL;`
	`37`	`+`
`35`	`38`	`return kvmalloc(size, GFP_KERNEL_ACCOUNT);`
`36`	`39`	`}`
`37`	`40`