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random: give sysctl_random_min_urandom_seed a more sensible value

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commit d0efdf35a6 upstream.

This isn't used by anything or anywhere, but we can't delete it due to
compatibility. So at least give it the correct value of what it's
supposed to be instead of a garbage one.

Cc: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jason A. Donenfeld 2022-02-28 13:57:57 +01:00 committed by Greg Kroah-Hartman
parent 2f8a4757ef
commit fb413e95f0
1 changed files with 2 additions and 2 deletions
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4
drivers/char/random.c
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@ -1612,7 +1612,7 @@ const struct file_operations urandom_fops = {
* to avoid breaking old userspaces, but writing to it does not
* change any behavior of the RNG.
*
* - urandom_min_reseed_secs - fixed to the meaningless value "60".
* - urandom_min_reseed_secs - fixed to the value CRNG_RESEED_INTERVAL.
* It is writable to avoid breaking old userspaces, but writing
* to it does not change any behavior of the RNG.
*
@ -1622,7 +1622,7 @@ const struct file_operations urandom_fops = {
#include <linux/sysctl.h>
static int sysctl_random_min_urandom_seed = 60;
static int sysctl_random_min_urandom_seed = CRNG_RESEED_INTERVAL / HZ;
static int sysctl_random_write_wakeup_bits = POOL_MIN_BITS;
static int sysctl_poolsize = POOL_BITS;
static u8 sysctl_bootid[UUID_SIZE];