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sntgajnqd/QjKF34diBb0zpnGH0uFzx05WmlXozIeGuZjSIc/Iayc+SsPVP5igInbRt4HNKezw1 DFmBe4rhfg+V10Y2vzg== Hi Joel, On 2026-02-27 07:03, Joel Granados wrote: > On Wed, Feb 25, 2026 at 03:37:49PM -0800, Gerd Rausch wrote: >> Conversion from user_hz to jiffies broke with >> commit 2dc164a48e6fd ("sysctl: Create converter functions with two new macros") >> >> because the old overflow check in do_proc_dointvec_userhz_jiffies_conv() >> to see if "*u_ptr" was too large got replaced by an unconditional: >> + if (USER_HZ < HZ) >> + return -EINVAL; >> >> which will always be true on platforms with "USER_HZ < HZ". >> >> We shouldn't need this extra check anyway, because clock_t_to_jiffies() >> returns ULONG_MAX for the overflow case: >> if (x >= ~0UL / (HZ / USER_HZ)) >> return ~0UL; >> >> and proc_int_u2k_conv_uop() checks for "> INT_MAX" after conversion: >> if (u > (ulong) INT_MAX) >> return -EINVAL; >> >> Fixes: 2dc164a48e6fd ("sysctl: Create converter functions with two new macros") >> Reported-by: Colm Harrington >> Signed-off-by: Gerd Rausch > I changed the message of the patch a bit. You can take a look here [1] > > Best > > [1] https://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl.git/commit/?h=sysctl-next&id=a17a86da1c90b62866bf2f45560510f2f6f18503 > Looks good to me. Thanks for adding this fix, Gerd