linux-kernel - [PATCH 5.19 0817/1157] KVM: arm64: Fix hypervisor address symbolization

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Message-Id: <20220815180512.169696319@linuxfoundation.org>
Date:   Mon, 15 Aug 2022 20:02:53 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Fuad Tabba <tabba@...gle.com>,
        Kalesh Singh <kaleshsingh@...gle.com>,
        Marc Zyngier <maz@...nel.org>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.19 0817/1157] KVM: arm64: Fix hypervisor address symbolization

From: Kalesh Singh <kaleshsingh@...gle.com>

[ Upstream commit ed6313a93fd11d2015ad17046f3c418bf6a8dab1 ]

With CONFIG_RANDOMIZE_BASE=y vmlinux addresses will resolve incorrectly
from kallsyms. Fix this by adding the KASLR offset before printing the
symbols.

Fixes: 6ccf9cb557bd ("KVM: arm64: Symbolize the nVHE HYP addresses")
Reported-by: Fuad Tabba <tabba@...gle.com>
Signed-off-by: Kalesh Singh <kaleshsingh@...gle.com>
Signed-off-by: Marc Zyngier <maz@...nel.org>
Link: https://lore.kernel.org/r/20220715235824.2549012-1-kaleshsingh@google.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm64/kvm/handle_exit.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c
index f66c0142b335..e43926ef2bc2 100644
--- a/arch/arm64/kvm/handle_exit.c
+++ b/arch/arm64/kvm/handle_exit.c
@@ -347,10 +347,10 @@ void __noreturn __cold nvhe_hyp_panic_handler(u64 esr, u64 spsr,
 			kvm_err("nVHE hyp BUG at: %s:%u!\n", file, line);
 		else
 			kvm_err("nVHE hyp BUG at: [<%016llx>] %pB!\n", panic_addr,
-					(void *)panic_addr);
+					(void *)(panic_addr + kaslr_offset()));
 	} else {
 		kvm_err("nVHE hyp panic at: [<%016llx>] %pB!\n", panic_addr,
-				(void *)panic_addr);
+				(void *)(panic_addr + kaslr_offset()));
 	}
 
 	/*
-- 
2.35.1