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Message-ID: <01a7891f-7295-3be2-73f3-5405b1e18f45@molgen.mpg.de>
Date: Sat, 28 May 2022 16:52:32 +0200
From: Paul Menzel <pmenzel@...gen.mpg.de>
To: Herbert Xu <herbert@...dor.apana.org.au>,
"David S. Miller" <davem@...emloft.net>
Cc: linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
"Jason A. Donenfeld" <Jason@...c4.com>,
Linus Torvalds <torvalds@...ux-foundation.org>
Subject: ./include/crypto/poly1305.h:56:46: error:
'CONFIG_CRYPTO_LIB_POLY1305_RSIZE' undeclared here
Dear Linux folks,
Fetching the commits from Linus’ tree, and doing `make olddefconfig`,
the build failed:
```
$ git log --no-decorate --oneline -1 origin/master
9d004b2f4fea Merge tag 'cxl-for-5.19' of
git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
$ rm *deb ; make olddefconfig; make bindeb-pkg -j32 && mv ../*deb .
[…]
CC [M] lib/crypto/poly1305-donna64.o
CC [M] drivers/media/usb/em28xx/em28xx-vbi.o
CC arch/x86/kernel/uprobes.o
CC kernel/time/itimer.o
CC drivers/usb/core/phy.o
CC [M] drivers/scsi/sg.o
CC lib/iomap_copy.o
CC [M] fs/nfs_common/nfsacl.o
CC [M] fs/nfs_common/grace.o
CC kernel/time/clockevents.o
In file included from ./include/crypto/internal/poly1305.h:11,
from lib/crypto/poly1305-donna64.c:11:
./include/crypto/poly1305.h:56:46: error:
'CONFIG_CRYPTO_LIB_POLY1305_RSIZE' undeclared here (not in a function);
did you mean 'CONFIG_CRYPTO_POLY1305_MODULE'?
56 | struct poly1305_key
opaque_r[CONFIG_CRYPTO_LIB_POLY1305_RSIZE];
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
CONFIG_CRYPTO_POLY1305_MODULE
make[5]: *** [scripts/Makefile.build:271: lib/crypto/poly1305-donna64.o]
Error 1
$ grep POLY .config
CONFIG_CRYPTO_CHACHA20POLY1305=m
# CONFIG_CRYPTO_NHPOLY1305_SSE2 is not set
# CONFIG_CRYPTO_NHPOLY1305_AVX2 is not set
CONFIG_CRYPTO_POLY1305=m
CONFIG_CRYPTO_POLY1305_X86_64=m
CONFIG_CRYPTO_ARCH_HAVE_LIB_POLY1305=m
CONFIG_CRYPTO_LIB_POLY1305_GENERIC=m
# CONFIG_CRYPTO_LIB_POLY1305 is not set
# CONFIG_CRYPTO_LIB_CHACHA20POLY1305 is not set
```
Please find the full problematic config file attached.
Selecting `CONFIG_CRYPTO_LIB_POLY1305=m` works around the issue.
$ grep POLY .config
CONFIG_CRYPTO_CHACHA20POLY1305=m
# CONFIG_CRYPTO_NHPOLY1305_SSE2 is not set
# CONFIG_CRYPTO_NHPOLY1305_AVX2 is not set
CONFIG_CRYPTO_POLY1305=m
CONFIG_CRYPTO_POLY1305_X86_64=m
CONFIG_CRYPTO_LIB_POLY1305_RSIZE=11
CONFIG_CRYPTO_ARCH_HAVE_LIB_POLY1305=m
CONFIG_CRYPTO_LIB_POLY1305_GENERIC=m
CONFIG_CRYPTO_LIB_POLY1305=m
# CONFIG_CRYPTO_LIB_CHACHA20POLY1305 is not set
I didn’t bisect, but commit 8bdc2a190105 (crypto: poly1305 - cleanup
stray CRYPTO_LIB_POLY1305_RSIZE) jumps out for example.
Kind regards,
Paul
View attachment "20220528-linux-crypto-build-bug.config" of type "text/plain" (149252 bytes)
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