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authorLinus Torvalds <torvalds@linux-foundation.org>2023-08-19 08:32:16 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2023-08-19 08:32:16 +0200
commit4e7ffde6984a7fa842489be7055570e5f5a4f0b5 (patch)
treea6e597bf0c570e3d7cb509139fb8293eef5fa2fe
parentd4ddefee5160dc477d0e30c9d7a10ce8861c3007 (diff)
parent4f3175979e62de3b929bfa54a0db4b87d36257a7 (diff)
Merge tag 'powerpc-6.5-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Michael Ellerman: - Fix hardened usercopy BUG when using /proc based firmware update interface Thanks to Nathan Lynch and Kees Cook. * tag 'powerpc-6.5-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/rtas_flash: allow user copy to flash block cache objects
-rw-r--r--arch/powerpc/kernel/rtas_flash.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c
index 4caf5e3079eb..359577ec1680 100644
--- a/arch/powerpc/kernel/rtas_flash.c
+++ b/arch/powerpc/kernel/rtas_flash.c
@@ -709,9 +709,9 @@ static int __init rtas_flash_init(void)
if (!rtas_validate_flash_data.buf)
return -ENOMEM;
- flash_block_cache = kmem_cache_create("rtas_flash_cache",
- RTAS_BLK_SIZE, RTAS_BLK_SIZE, 0,
- NULL);
+ flash_block_cache = kmem_cache_create_usercopy("rtas_flash_cache",
+ RTAS_BLK_SIZE, RTAS_BLK_SIZE,
+ 0, 0, RTAS_BLK_SIZE, NULL);
if (!flash_block_cache) {
printk(KERN_ERR "%s: failed to create block cache\n",
__func__);