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Filename Latest commit message Latest commit date
Dominik Brodowski 72db8151c8 random: fix locking in crng_fast_load()
commit 7c2fe2b32bf76441ff5b7a425b384e5f75aa530a upstream.

crng_init is protected by primary_crng->lock, so keep holding that lock
when incrementing crng_init from 0 to 1 in crng_fast_load(). The call to
pr_notice() can wait until the lock is released; this code path cannot
be reached twice, as crng_fast_load() aborts early if crng_init > 0.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-06-22 14:11:09 +02:00
arch random: remove unused irq_flags argument from add_interrupt_randomness() 2022-06-22 14:11:06 +02:00
block
certs
crypto
Documentation random: always wake up entropy writers after extraction 2022-06-22 14:11:08 +02:00
drivers random: fix locking in crng_fast_load() 2022-06-22 14:11:09 +02:00
fs compat_ioctl: remove /dev/random commands 2022-06-22 14:11:03 +02:00
include random: simplify entropy debiting 2022-06-22 14:11:08 +02:00
init
ipc
kernel random: remove unused irq_flags argument from add_interrupt_randomness() 2022-06-22 14:11:06 +02:00
lib lib/crypto: sha1: re-roll loops to reduce code size 2022-06-22 14:11:03 +02:00
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MAINTAINERS MAINTAINERS: co-maintain random.c 2022-06-22 14:11:05 +02:00
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README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.