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author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-08-19 08:32:16 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-08-19 08:32:16 +0200 |
commit | 4e7ffde6984a7fa842489be7055570e5f5a4f0b5 (patch) | |
tree | a6e597bf0c570e3d7cb509139fb8293eef5fa2fe | |
parent | d4ddefee5160dc477d0e30c9d7a10ce8861c3007 (diff) | |
parent | 4f3175979e62de3b929bfa54a0db4b87d36257a7 (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.c | 6 |
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__); |