On Wed, Feb 14, 2024 at 5:50 PM <[email protected]> wrote: > > 09.02.2024 22:21, Eric Dumazet wrote: > > > Maybe, but the patch is not good, I think I and Pablo gave feedback on this > > ? > > > > Please trace __netlink_dump_start() content of control->module > > > > gtp_genl_family.module should be set, and we should get it. > > > > Otherwise, if the bug is in the core, we would need a dozen of 'work > > arounds because it is better than nothing' > > > > Thank you. > > Thanks. > > I tracked the moment when the __netlink_dump_start() function was > called, it turned out that in the gtp_init() initialization function > before registering pernet subsystem (gtp_net_ops), therefore, outdated > data is used, which leads to a crash. > > The documentation says that ops structure must be assigned before > registering a generic netlink family [1]. > > I have fixed and sent a new patch [2]. > > [1] > https://elixir.bootlin.com/linux/v6.8-rc4/source/net/netlink/genetlink.c#L773 > > [2] > https://lore.kernel.org/netdev/[email protected]/T/#u >
Excellent detective work, thanks a lot !
