rcuscale: NULL out top-level pointers to heap memory

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Currently, if someone modprobes and rmmods rcuscale successfully, but
the next run errors out during the modprobe, non-NULL pointers to freed
memory will remain.  If the run after that also errors out during the
modprobe, there will be double-free bugs.

This commit therefore NULLs out top-level pointers to memory that has
just been freed.

Signed-off-by: "Paul E. McKenney" <paulmck@kernel.org>
Signed-off-by: Neeraj Upadhyay <neeraj.upadhyay@kernel.org>

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Paul E. McKenney 2024-08-01 17:43:07 -07:00 • committed by Neeraj Upadhyay

parent 1c3e6e7903

commit 554f07a119

1 changed files with 5 additions and 0 deletions

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kernel/rcu/rcuscale.c

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