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sysctl: Fix type truncation in sysctl_msec_to_jiffies

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Return MAX_JIFFY_OFFSET for all the values truncated when val (u64) is
passed to msecs_to_jiffies (u32). This aligns with how very large
millisecond values get translated into MAX_JIFFY_OFFSET.

Fixes: b96b5c6708 ("sysctl: Replace do_proc_do{int,ulong,uint}vec with do_proc_vec")
Suggested-by: Kuniyuki Iwashima <kuniyu@google.com>
Signed-off-by: Joel Granados <joel.granados@kernel.org>
This commit is contained in:
Joel Granados
2026-09-15 09:20:58 +02:00
parent 318012c565
commit afdf35cfae
1 changed files with 2 additions and 0 deletions
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kernel/time/jiffies.c
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@@ -136,6 +136,8 @@ static int sysctl_k2u_int_conv_userhz(bool *negp, ulong *u_ptr, const int *k_ptr
static ulong sysctl_msecs_to_jiffies(const ulong val)
{
if (val > jiffies_to_msecs(MAX_JIFFY_OFFSET))
return MAX_JIFFY_OFFSET;
return msecs_to_jiffies(val);
}