]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commitdiff
rt_cpu_seq_next should increase position index
authorVasily Averin <vvs@virtuozzo.com>
Thu, 23 Jan 2020 07:11:35 +0000 (10:11 +0300)
committerDavid S. Miller <davem@davemloft.net>
Fri, 24 Jan 2020 10:42:18 +0000 (11:42 +0100)
if seq_file .next fuction does not change position index,
read after some lseek can generate unexpected output.

https://bugzilla.kernel.org/show_bug.cgi?id=206283
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/route.c

index 87e979f2b74a5fd3b4f3b70250ffd6de4ef6212f..e356ea77922729f45711006926e519c45e552516 100644 (file)
@@ -271,6 +271,7 @@ static void *rt_cpu_seq_next(struct seq_file *seq, void *v, loff_t *pos)
                *pos = cpu+1;
                return &per_cpu(rt_cache_stat, cpu);
        }
+       (*pos)++;
        return NULL;
 
 }