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2019-02-17compat: ipv6_stub is sometimes nullJason A. Donenfeld
On ancient kernels, ipv6_stub is sometimes null in cases where IPv6 has been disabled with a command line flag or other failures. Reported-by: Anatoli <me@anatoli.ws> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2019-02-04chacha20: name enumsJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2019-02-03noise: store clamped key instead of raw keyJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2019-02-03chacha20poly1305: permit unaligned strides on certain platformsJason A. Donenfeld
The map allocations required to fix this are mostly slower than unaligned paths. Reported-by: Louis Sautier <sbraz@gentoo.org> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2019-02-03hashtables: decouple hashtable allocations from the main device allocationSultan Alsawaf
The hashtable allocations are quite large, and cause the device allocation in the net framework to stall sometimes while it tries to find a contiguous region that can fit the device struct: [<0000000000000000>] __switch_to+0x94/0xb8 [<0000000000000000>] __alloc_pages_nodemask+0x764/0x7e8 [<0000000000000000>] kmalloc_order+0x20/0x40 [<0000000000000000>] __kmalloc+0x144/0x1a0 [<0000000000000000>] alloc_netdev_mqs+0x5c/0x368 [<0000000000000000>] rtnl_create_link+0x48/0x180 [<0000000000000000>] rtnl_newlink+0x410/0x708 [<0000000000000000>] rtnetlink_rcv_msg+0x190/0x1f8 [<0000000000000000>] netlink_rcv_skb+0x4c/0xf8 [<0000000000000000>] rtnetlink_rcv+0x30/0x40 [<0000000000000000>] netlink_unicast+0x18c/0x208 [<0000000000000000>] netlink_sendmsg+0x19c/0x348 [<0000000000000000>] sock_sendmsg+0x3c/0x58 [<0000000000000000>] ___sys_sendmsg+0x290/0x2b0 [<0000000000000000>] __sys_sendmsg+0x58/0xa0 [<0000000000000000>] SyS_sendmsg+0x10/0x20 [<0000000000000000>] el0_svc_naked+0x34/0x38 [<0000000000000000>] 0xffffffffffffffff To fix the allocation stalls, decouple the hashtable allocations from the device allocation and allocate the hashtables with kvmalloc's implicit __GFP_NORETRY so that the allocations fall back to vmalloc with little resistance. Signed-off-by: Sultan Alsawaf <sultan@kerneltoast.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2019-02-03queueing: more reasonable allocator function conventionJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2019-02-03noise: whiten the nanoseconds portion of the timestampJason A. Donenfeld
This mitigates unrelated sidechannel attacks that think they can turn WireGuard into a useful time oracle. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2019-01-23version: bump snapshotJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2019-01-23netlink: use __kernel_timespec for handshake timeJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2019-01-23global: normalize -> clampJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2019-01-23qemu: enable FP on MIPSJason A. Donenfeld
This is a change for Linux 5.0. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2019-01-23qemu: version bump to bash 5.0Jason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2019-01-23Kconfig: IPsec isn't IPSecJason A. Donenfeld
Reported-by: Raf Czlonka <rczlonka@gmail.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2019-01-23ratelimiter: totalram_pages is now a functionJason A. Donenfeld
Reported-by: Alex Xu <alex@alxu.ca> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2019-01-23noise: replace getnstimeofday64 with ktime_get_real_ts64Jason A. Donenfeld
The former was just a wrapper around the latter, and so upstream is now removing it. Also adjust the compat kludge to deal with this. Reported-by: Alex Xu <alex@alxu.ca> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2019-01-23ratelimiter: build tests with !IPV6Jason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2019-01-23qemu: version bump kernelJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2019-01-07global: update copyrightJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-12-30netlink: auth socket changes against namespace of socketJason A. Donenfeld
In WireGuard, the underlying UDP socket lives in the namespace where the interface was created and doesn't move if the interface is moved. This allows one to create the interface in some privileged place that has Internet access, and then move it into a container namespace that only has the WireGuard interface for egress. Consider the following situation: 1. Interface created in namespace A. Socket therefore lives in namespace A. 2. Interface moved to namespace B. Socket remains in namespace A. 3. Namespace B now has access to the interface and changes the listen port and/or fwmark of socket. Change is reflected in namespace A. This behavior is arguably _fine_ and perhaps even expected or acceptable. But there's also an argument to be made that B should have A's cred to do so. So, this patch adds a simple ns_capable check. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-12-18version: bump snapshotJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-12-18makefile: use immediate expansion and use correct template patternsJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-12-18netns: nmap != ncatJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-12-12compat: account for Clang CFIJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-12-07chacha20: do not define unused asm functionJason A. Donenfeld
This causes RAP to be unhappy, and we're not using it anyway. Reported-by: Ivan J. <parazyd@dyne.org> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-12-07compat: don't undef BUILD_BUG_ON for Clang >=8Nathan Chancellor
This has been fixed upstream. To keep this hack working for toolchains that don't have it, use CONFIG_CLANG_VERSION, which was added in commit 469cb7376c06 ("kconfig: add CC_IS_CLANG and CLANG_VERSION"), introduced in 4.18. I have added the '!defined(CONFIG_CLANG_VERSION)' to keep the hack around for Android. Most custom kernel developers are using AOSP's Clang, which currently does not have the fix and might not for a while (although it is probably on Google's mind given that it has been an issue for ChromeOS on 4.19: https://crbug.com/897215). I have verified this change against my Pixel 2 kernel and 4.20-rc3 with the latest ToT Clang. Link: https://github.com/ClangBuiltLinux/linux/issues/7 Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-12-07chacha20,poly1305: simplify perlasm fancinessJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-19jerry-rig: replace S_shipped with plJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-19version: bump snapshotJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-19chacha20,poly1305: do not use xlateJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-17poly1305: make frame pointers for auxiliary callsSamuel Neves
Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-16crypto: better path resolution and more specific generated .SJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15chacha20,poly1305: don't do compiler testing in generator and remove xor helperJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15crypto: resolve target prefix on buggy kernelsJason A. Donenfeld
We also move to .SECONDARY, since older kernels don't use targets like that. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15poly1305: cleanup leftover debugging changesJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15poly1305: only export neon symbols when in useJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15chacha20,poly1305: fix up for win64Samuel Neves
These don't help us, but it is important to keep this working for when it's re-added to cryptogams. Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15version: bump snapshotJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15perlasm: avoid rep retJason A. Donenfeld
The original hardcodes returns as .byte 0xf3,0xc3, aka "rep ret". We replace this by "ret". "rep ret" was meant to help with AMD K8 chips, cf. http://repzret.org/p/repzret. It makes no sense to continue to use this kludge for code that won't even run on ancient AMD chips. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15poly1305: specialize to wireguardJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15chacha20: specialize to wireguardJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15perlasm: cleanup whitespaceJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-15poly1305: adjust to kernelSamuel Neves
Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-14chacha20: cleaner function declarationsSamuel Neves
Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-14chacha20: normalize namesSamuel Neves
Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-14chacha20: fixup win64 stack offsetsSamuel Neves
We don't need to do this for kernel purposes, but it's polite to leave things unbroken. Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-14chacha20: simplify stack unwinding on ChaCha20_ctr32Samuel Neves
objtool did not quite understand the stack arithmetic employed here. Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-14chacha20: use DRAP idiomSamuel Neves
This effectively means swapping the usage of %r9 and %r10 globally. Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-14chacha20: add hchacha_ssse3Samuel Neves
Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-14chacha20: begin adapting to kernel settingSamuel Neves
Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-11-14chacha20,poly1305: switch to perlasm originals on x86_64Samuel Neves
Signed-off-by: Samuel Neves <sneves@dei.uc.pt> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>