On Sun, Oct 16, 2022 at 11:21:38PM +0300, Sergey Shtylyov wrote:
Commit d4955c0ad77dbc684fc716387070ac24801b8bca upstream.
cpufreq_get_hw_max_freq() returns max frequency in kHz as *unsigned int*, while freq_inv_set_max_ratio() gets passed this frequency in Hz as 'u64'. Multiplying max frequency by 1000 can potentially result in overflow -- multiplying by 1000ULL instead should avoid that...
Found by Linux Verification Center (linuxtesting.org) with the SVACE static analysis tool.
Fixes: cd0ed03a8903 ("arm64: use activity monitors for frequency invariance") Signed-off-by: Sergey Shtylyov s.shtylyov@omp.ru Link: https://lore.kernel.org/r/01493d64-2bce-d968-86dc-11a122a9c07d@omp.ru Signed-off-by: Will Deacon will@kernel.org
Now queued up, thanks.
greg k-h