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Add ZT_NO_UNALIGNED_ACCESS for ARMv6/7 on FreeBSD

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Unaligned access caused SIGBUS errors on ARMv6 and ARMv7 targets under FreeBSD.

This was also the cause of the repeating TAP devices. Each time the SIGBUS happened, the service would auto-restart itself, create a new TAP device, and then crash again.

The particular place causing the SIGBUS was:
https://github.com/zerotier/ZeroTierOne/blob/master/node/Utils.hpp#L695
This commit is contained in:
Vincent Milum Jr 2020-11-21 13:30:31 -08:00 committed by GitHub
parent 167645ba6d
commit 93ffd75b02
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
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4
make-bsd.mk
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@ -65,7 +65,7 @@ ifeq ($(CC_MACH),armhf)
endif
ifeq ($(CC_MACH),armv6)
ZT_ARCHITECTURE=3
override DEFS+=-DZT_NO_TYPE_PUNNING
override DEFS+=-DZT_NO_TYPE_PUNNING -DZT_NO_UNALIGNED_ACCESS
ZT_USE_ARM32_NEON_ASM_SALSA2012=1
endif
ifeq ($(CC_MACH),armv6zk)
@ -80,7 +80,7 @@ ifeq ($(CC_MACH),armv6kz)
endif
ifeq ($(CC_MACH),armv7)
ZT_ARCHITECTURE=3
override DEFS+=-DZT_NO_TYPE_PUNNING -DZT_AES_NO_ACCEL
override DEFS+=-DZT_NO_TYPE_PUNNING -DZT_AES_NO_ACCEL -DZT_NO_UNALIGNED_ACCESS
ZT_USE_ARM32_NEON_ASM_SALSA2012=1
endif
ifeq ($(CC_MACH),arm64)