Re: [PATCH v3 1/3] kernel/notifier.c: avoid duplicate registration

On 7/10/19 6:09 AM, Xiaoming Ni wrote: > Registering the same notifier to a hook repeatedly can cause the hook > list to form a ring or lose other members of the list. > > case1: An infinite loop in notifier_chain_register() can cause soft lockup > atomic_notifier_chain_register(&test_noti

[PATCH v3 1/3] kernel/notifier.c: avoid duplicate registration

Registering the same notifier to a hook repeatedly can cause the hook list to form a ring or lose other members of the list. case1: An infinite loop in notifier_chain_register() can cause soft lockup atomic_notifier_chain_register(&test_notifier_list, &test1); atomic_notifier_chain