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When a virtual machine forks, it's important that WireGuard clear existing sessions so that different plaintexts are not transmitted using the same key+nonce, which can result in catastrophic cryptographic failure. To accomplish this, we simply hook into the newly added vmfork notifier. As a bonus, it turns out that, like the vmfork registration function, the PM registration function is stubbed out when CONFIG_PM_SLEEP is not set, so we can actually just remove the maze of ifdefs, which makes it really quite clean to support both notifiers at once. Cc: Dominik Brodowski <linux@dominikbrodowski.net> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Theodore Ts'o <tytso@mit.edu> Acked-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> |
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| .. | ||
| selftest | ||
| allowedips.c | ||
| allowedips.h | ||
| cookie.c | ||
| cookie.h | ||
| device.c | ||
| device.h | ||
| main.c | ||
| Makefile | ||
| messages.h | ||
| netlink.c | ||
| netlink.h | ||
| noise.c | ||
| noise.h | ||
| peer.c | ||
| peer.h | ||
| peerlookup.c | ||
| peerlookup.h | ||
| queueing.c | ||
| queueing.h | ||
| ratelimiter.c | ||
| ratelimiter.h | ||
| receive.c | ||
| send.c | ||
| socket.c | ||
| socket.h | ||
| timers.c | ||
| timers.h | ||
| version.h | ||