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Change History

In the Linux kernel, the following vulnerability has been resolved:

net: fix possible store tearing in neigh_periodic_work()

While looking at a related syzbot report involving neigh_periodic_work(),
I found that I forgot to add an annotation when deleting an
RCU protected item from a list.

Readers use rcu_deference(*np), we need to use either
rcu_assign_pointer() or WRITE_ONCE() on writer side
to prevent store tearing.

I use rcu_assign_pointer() to have lockdep support,
this was the choice m

Linux https://git.kernel.org/stable/c/147d89ee41434b97043c2dcb17a97dc151859baa [No types assigned]

Linux https://git.kernel.org/stable/c/25563b581ba3a1f263a00e8c9a97f5e7363be6fd [No types assigned]

Linux https://git.kernel.org/stable/c/2ea52a2fb8e87067e26bbab4efb8872639240eb0 [No types assigned]

Linux https://git.kernel.org/stable/c/95eabb075a5902f4c0834ab1fb12dc35730c05af [No types assigned]

Linux https://git.kernel.org/stable/c/a75152d233370362eebedb2643592e7c883cc9fc [No types assigned]

Linux https://git.kernel.org/stable/c/f82aac8162871e87027692b36af335a2375d4580 [No types assigned]