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SubjectRe: WARNING in proc_register
On Mon, Feb 05, 2018 at 09:58:01AM -0800, syzbot wrote:
> proc_dir_entry 'ipt_CLUSTERIP/172.20.0.170' already registered
> WARNING: CPU: 1 PID: 4074 at fs/proc/generic.c:330

> proc_create_data+0xf8/0x180 fs/proc/generic.c:494
> clusterip_config_init net/ipv4/netfilter/ipt_CLUSTERIP.c:250 [inline]

Dima, this warning is never about /proc but always about some other code
registering duplicate /proc entry.

I don't know how easily scriptable is mail sender but you want to look at
the second line in the backtrace.

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