https://bugzilla.kernel.org/show_bug.cgi?id=217122 --- Comment #13 from Jürgen Herrmann (t-5@xxxxxx) --- Another round of bisecting is done. I'm quite sure this result is useless, I will post it here nonetheless. Please comment! $ git bisect good b006c439d58db625318bf2207feabf847510a8a6 is the first bad commit commit b006c439d58db625318bf2207feabf847510a8a6 Author: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> Date: Thu Sep 22 15:59:31 2022 +0200 hwrng: core - start hwrng kthread also for untrusted sources Start the hwrng kthread even if the hwrng source has a quality setting of zero. Then, every crng reseed interval, one batch of data from this zero-quality hwrng source will be mixed into the CRNG pool. This patch is based on the assumption that data from a hwrng source will not actively harm the CRNG state. Instead, many hwrng sources (such as TPM devices), even though they are assigend a quality level of zero, actually provide some entropy, which is good enough to mix into the CRNG pool every once in a while. Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Cc: Jason A. Donenfeld <Jason@xxxxxxxxx> Signed-off-by: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> drivers/char/hw_random/core.c | 36 ++++++++++-------------------------- 1 file changed, 10 insertions(+), 26 deletions(-) -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.