linux-kernel - [PATCH v3 3/3] riscv: Fix relocation

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Message-Id: <20240104-module_loading_fix-v3-3-a71f8de6ce0f@rivosinc.com>
Date: Thu, 04 Jan 2024 11:42:49 -0800
From: Charlie Jenkins <charlie@...osinc.com>
To: Paul Walmsley <paul.walmsley@...ive.com>, 
 Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>
Cc: Palmer Dabbelt <palmer@...osinc.com>, linux-riscv@...ts.infradead.org, 
 linux-kernel@...r.kernel.org, Charlie Jenkins <charlie@...osinc.com>, 
 kernel test robot <lkp@...el.com>, Julia Lawall <julia.lawall@...ia.fr>
Subject: [PATCH v3 3/3] riscv: Fix relocation_hashtable size

A second dereference is needed to get the accurate size of the
relocation_hashtable.

Signed-off-by: Charlie Jenkins <charlie@...osinc.com>
Fixes: d8792a5734b0 ("riscv: Safely remove entries from relocation list")
Reported-by: kernel test robot <lkp@...el.com>
Reported-by: Julia Lawall <julia.lawall@...ia.fr>
Closes: https://lore.kernel.org/r/202312120044.wTI1Uyaa-lkp@intel.com/
---
 arch/riscv/kernel/module.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/kernel/module.c b/arch/riscv/kernel/module.c
index 32743180e8ef..ceb0adb38715 100644
--- a/arch/riscv/kernel/module.c
+++ b/arch/riscv/kernel/module.c
@@ -764,7 +764,7 @@ initialize_relocation_hashtable(unsigned int num_relocations,
 	hashtable_size <<= should_double_size;
 
 	*relocation_hashtable = kmalloc_array(hashtable_size,
-					      sizeof(*relocation_hashtable),
+					      sizeof(**relocation_hashtable),
 					      GFP_KERNEL);
 	if (!*relocation_hashtable)
 		return 0;

-- 
2.43.0