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Add missing sentinels to the arm64 Spectre-BHB MIDR arrays, otherwise

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is_midr_in_range_list() reads beyond the end of these arrays.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fix from Catalin Marinas:
 "Add missing sentinels to the arm64 Spectre-BHB MIDR arrays, otherwise
  is_midr_in_range_list() reads beyond the end of these arrays"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: errata: Add missing sentinels to Spectre-BHB MIDR arrays
This commit is contained in:
Linus Torvalds 2025-05-03 16:30:53 -07:00
commit e8ab83e34b
1 changed files with 2 additions and 0 deletions
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2
arch/arm64/kernel/proton-pack.c
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@ -879,10 +879,12 @@ static u8 spectre_bhb_loop_affected(void)
static const struct midr_range spectre_bhb_k132_list[] = {
MIDR_ALL_VERSIONS(MIDR_CORTEX_X3),
MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V2),
{},
};
static const struct midr_range spectre_bhb_k38_list[] = {
MIDR_ALL_VERSIONS(MIDR_CORTEX_A715),
MIDR_ALL_VERSIONS(MIDR_CORTEX_A720),
{},
};
static const struct midr_range spectre_bhb_k32_list[] = {
MIDR_ALL_VERSIONS(MIDR_CORTEX_A78),