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| author | Chris Zankel <[email protected]> | 2015-04-14 03:51:35 +0000 |
|---|---|---|
| committer | Chris Zankel <[email protected]> | 2015-04-14 03:51:35 +0000 |
| commit | 7ead5b7e4a3cf4a16579a8f164022345b93fe972 (patch) | |
| tree | 0a9b9497f53d1593c9e2ac197b2e686ea74a9975 /arch/x86/kernel/cpu/microcode/intel.c | |
| parent | 834a316eeebcb75316c0a7d9088fa638c52dc584 (diff) | |
| parent | 39a8804455fb23f09157341d3ba7db6d7ae6ee76 (diff) | |
Merge tag 'v4.0' into for_next
Linux 4.0
Diffstat (limited to 'arch/x86/kernel/cpu/microcode/intel.c')
| -rw-r--r-- | arch/x86/kernel/cpu/microcode/intel.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c index c6826d1e8082..746e7fd08aad 100644 --- a/arch/x86/kernel/cpu/microcode/intel.c +++ b/arch/x86/kernel/cpu/microcode/intel.c @@ -196,6 +196,11 @@ static enum ucode_state generic_load_microcode(int cpu, void *data, size_t size, struct microcode_header_intel mc_header; unsigned int mc_size; + if (leftover < sizeof(mc_header)) { + pr_err("error! Truncated header in microcode data file\n"); + break; + } + if (get_ucode_data(&mc_header, ucode_ptr, sizeof(mc_header))) break; |