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From: Kuniyuki Iwashima To: Kees Cook , Joel Granados , Thomas Gleixner Cc: Kuniyuki Iwashima , Kuniyuki Iwashima , linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" When the cited commit converted the SYSCTL_INT_CONV_CUSTOM macro to functions, it accidentally changed do_proc_int_conv_ms_jiffies_minmax() to pass false for k_ptr_range_check. Since then, net.ipv[46].neigh.${dev}.interval_probe_time_ms no longer enforces the lower bound. # sysctl net.ipv4.neigh.bond0.interval_probe_time_ms=0 net.ipv4.neigh.bond0.interval_probe_time_ms = 0 Let's restore the minmax check. With this: # sysctl net.ipv4.neigh.bond0.interval_probe_time_ms=0 sysctl: setting key "net.ipv4.neigh.bond0.interval_probe_time_ms": Invalid argument Fixes: d174174c6776 ("sysctl: replace SYSCTL_INT_CONV_CUSTOM macro with functions") Signed-off-by: Kuniyuki Iwashima --- kernel/time/jiffies.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/time/jiffies.c b/kernel/time/jiffies.c index 213ae1d6a014..70926b73905a 100644 --- a/kernel/time/jiffies.c +++ b/kernel/time/jiffies.c @@ -181,7 +181,7 @@ static int do_proc_int_conv_ms_jiffies_minmax(bool *negp, ulong *u_ptr, int *k_ptr, int dir, const struct ctl_table *tbl) { - return proc_int_conv(negp, u_ptr, k_ptr, dir, tbl, false, + return proc_int_conv(negp, u_ptr, k_ptr, dir, tbl, true, sysctl_u2k_int_conv_ms, sysctl_k2u_int_conv_ms); } -- 2.55.0.1003.g10538fe699-goog