linux-kernel - Re: [PATCH v2] crypto: arm64/poly1305

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ab440f8d-c947-4621-89e2-f348510896a9@cryptogams.org>
Date: Tue, 6 Aug 2024 15:28:25 +0200
From: Andy Polyakov <appro@...ptogams.org>
To: Daniel Gomez <da.gomez@...sung.com>, Jia He <justin.he@....com>
Cc: Herbert Xu <herbert@...dor.apana.org.au>,
 "David S. Miller" <davem@...emloft.net>,
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>,
 "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
 "linux-arm-kernel@...ts.infradead.org"
 <linux-arm-kernel@...ts.infradead.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] crypto: arm64/poly1305 - move data to rodata section

> I'm getting the following error with next-20240806
> 
> make LLVM=1 ARCH=arm64 allyesconfig
> make LLVM=1 ARCH=arm64 -j$(nproc)
> 
> ld.lld: error: vmlinux.a(arch/arm64/crypto/poly1305-core.o):(function poly1305_blocks_neon: .text+0x3d4): relocation R_AARCH64_ADR_PREL_LO21 out of range: 269166444 is not in [-1048576, 1048575]

This looks like the original version of the path. At the very least the 
R_AARCH64_ADR_PREL_LO21 relocation is generated for the adr instruction. 
The v2 has adrp and add pair for which the relocations are 
R_AARCH64_ADR_PREL_PG_HI21 and R_AARCH64_ADD_ABS_LO12_NC.