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Date: Tue, 9 Apr 2019 22:02:43 +0200
From: bryn1u85 <>
Subject: [kretprobe] register_kretprobe() for <ovl_create_or_link> failed! [err=-22]

Hey guys,

Im getting some weird message in dmesg. Someone can explain to me what does
it mean ? How it affects on lkrg ?

[937929.339622] [p_lkrg] Loading LKRG...
> [937929.340850] [p_lkrg] Verifying 20 potential UMH paths for
> whitelisting...
> [937929.341112] [p_lkrg] 4 UMH paths were whitelisted...
> [937930.048219] [p_lkrg] [kretprobe] register_kretprobe() for
> <ovl_create_or_link> failed! [err=-22]
> [937930.048241] [p_lkrg] ERROR: Can't hook ovl_create_or_link function :(
> [937930.292244] [p_lkrg] System does NOT support SMEP. LKRG can't enforece
> smep_panic :(
> [937930.292267] [p_lkrg] LKRG initialized successfully!
> [937930.310784] [p_lkrg] Disabling "clean" message.

Thanks !
Best regards,

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