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Date:   Tue, 21 Aug 2018 18:37:35 +0900
From:   Masami Hiramatsu <>
To:     Ingo Molnar <>
Cc:     "Naveen N . Rao" <>,
        Anil S Keshavamurthy <>,
        "David S . Miller" <>,
        Masami Hiramatsu <>,
Subject: [PATCH -tip 0/5] kprobes: Remove BUG_ON from kprobes


Here are patches to remove BUG_ON from kprobes.

Since BUG_ON() kills the machine, it must not be used
for debugging or assertion. These patches remove
meaningless BUG_ON or replace it with return errors.

Thank you,


Masami Hiramatsu (5):
      kprobes: Remove meaningless BUG_ON from disarming process
      kprobes: Remove meaningless BUG_ON from add_new_kprobe
      kprobes: Remove meaningless BUG_ON from reuse_unused_kprobe
      kprobes: Return error if fail to reuse kprobe instead of BUG_ON
      kprobes: Don't call BUG_ON if there is a kprobe in use on free list

 kernel/kprobes.c |   39 +++++++++++++++++++++++++++------------
 1 file changed, 27 insertions(+), 12 deletions(-)

Masami Hiramatsu (Linaro) <>

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