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author | Takashi Iwai <tiwai@suse.de> | 2022-12-22 09:11:48 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2022-12-22 09:11:48 +0100 |
commit | 2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b (patch) | |
tree | f711bc9cab45f4963e4883ef15ff4c54a6cbc12e /arch/x86/kernel/cpu/sgx/ioctl.c | |
parent | b47068b4aa53a57552398e3f60d0ed1918700c2b (diff) | |
parent | ee0b089d660021792e4ab4dda191b097ce1e964f (diff) |
Merge branch 'for-next' into for-linus
Diffstat (limited to 'arch/x86/kernel/cpu/sgx/ioctl.c')
-rw-r--r-- | arch/x86/kernel/cpu/sgx/ioctl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/sgx/ioctl.c b/arch/x86/kernel/cpu/sgx/ioctl.c index ebe79d60619f..da8b8ea6b063 100644 --- a/arch/x86/kernel/cpu/sgx/ioctl.c +++ b/arch/x86/kernel/cpu/sgx/ioctl.c @@ -356,6 +356,9 @@ static int sgx_validate_offset_length(struct sgx_encl *encl, if (!length || !IS_ALIGNED(length, PAGE_SIZE)) return -EINVAL; + if (offset + length < offset) + return -EINVAL; + if (offset + length - PAGE_SIZE >= encl->size) return -EINVAL; |