Age | Commit message (Collapse) | Author |
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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If KERNEL_VERSION ends in -debug, then automatically set DEBUG_KERNEL
If DEBUG_KERNEL is set, now the debug kernel will be built in a
separate directory from the normal kernel, so that it's easy to toggle
back and forth.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This fixes DEBUG_KERNEL=yes due to
dd275caf4a0d9b219fffe49288b6cc33cd564312 being backported to 4.17.4.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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It might be that a particular route has a different MTU than the
interface, via `ip route add ... dev wg0 mtu 1281`, for example. In this
case, it's important that we don't accidently pad beyond the end of the
MTU. We accomplish that in this patch by carrying forward the MTU from
the dst if it exists. We also add a unit test for this issue.
Reported-by: Roman Mamedov <rm.wg@romanrm.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This reverts commit da4ff396cc5d5e0ff21f9ecbc2f951c048c63fff and adds
some optimizations to hacl64.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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For now, it's faster:
hacl64: 109782 cycles per call
fiat64: 108984 cycles per call
It's quite possible this commit will be reverted with nice changes from
INRIA, though.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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We're trying to test kernel code, so the userland tools we use for doing
that testing don't really matter to us. We turn off AVX512, because
WireGuard supports kernels that do not support AVX512 userlands. It's
easier to just blanket-disable it all, since it doesn't matter anyway.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Some old kernels never backported this fix to the build system, and it's
required if we want to build those old kernels with PIE-by-default
compilers.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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It's good to have SPDX identifiers in all files as the Linux kernel
developers are working to add these identifiers to all files.
Update all files with the correct SPDX license identifier based on the license
text of the project or based on the license in the file itself. The SPDX
identifier is a legally binding shorthand, which can be used instead of the
full boiler plate text.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Modified-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Also clean up related logic quite a bit and add unit tests.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Fedora/Redhat doesn't ship with a prefixed strip, and we don't need to
use it anyway when we're not cross compiling, so don't.
Reported-by: Samuel Neves <sneves@dei.uc.pt>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Otherwise, if messages pack really close together, we'll exceed the size
of the sk_buff and return ENOBUFS. I suspect this has been the cause of
a lot of weird bugs that people just worked around by increasing the
receive buffer size. This actually addresses the root cause.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This misses lines that are greater than 128 bytes -- read returns
-EINVAL -- but the lines we care about anyway are less than that, so we
simply keep looping and skip the bad reads when this happens. Not ideal,
but probably the best we can do in pure bash.
And, importantly, it's much better than streaming this over a TCP
socket, which was an even uglier hack.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Upstream's a2d3f3e33853ef52e5f66b41c3e8ee5710aa3305 broke things in
strange and confusing ways.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Although I was secretly proud of having figured out these unholy hacks,
it turns out -no-reboot lets us do things in a platform-independent way.
Suggested-by: Jann Horn <jann@thejh.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Now that we have the watchdog, killing the watchdog process is another
way of shutting down.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Useful for IDEs
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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