Messages in this thread | | | Date | Mon, 27 Jul 2020 12:46:36 +0200 | From | Christian Brauner <> | Subject | bpfilter logging write errors in dmesg |
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Hey Christoph,
Seems that commit 6955a76fbcd5 ("bpfilter: switch to kernel_write") causes bpfilter to spew these useless messages in dmesg?
[ 26.356824] Started bpfilter [ 26.357059] bpfilter: write fail -22 [ 26.396244] Started bpfilter [ 26.396325] bpfilter: Loaded bpfilter_umh pid 637 [ 26.396542] bpfilter: write fail -22 [ 26.409588] bpfilter: Loaded bpfilter_umh pid 638 [ 26.410790] Started bpfilter [ 26.410960] bpfilter: write fail -22 [ 26.445718] Started bpfilter [ 26.445799] bpfilter: Loaded bpfilter_umh pid 640 [ 26.445983] bpfilter: write fail -22 [ 26.451122] bpfilter: read fail 0 [ 26.496497] bpfilter: Loaded bpfilter_umh pid 648 [ 26.497889] Started bpfilter [ 26.750028] bpfilter: write fail -22 [ 26.768400] Started bpfilter [ 26.768496] bpfilter: Loaded bpfilter_umh pid 661 [ 26.768699] bpfilter: write fail -22 [ 26.806550] Started bpfilter [ 26.806616] bpfilter: Loaded bpfilter_umh pid 663 [ 26.864708] bpfilter: write fail -22 [ 26.872345] bpfilter: Loaded bpfilter_umh pid 666 [ 26.873072] Started bpfilter [ 26.873194] bpfilter: write fail -22 [ 27.295514] kauditd_printk_skb: 22 callbacks suppressed
This is on a pure v5.8-rc7 via make bindep-pkg. I'm not using bpfilter in any shape or form afaict and haven't seen those messages before and this seems to be the last change I see.
Thanks! Christian
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