This is the start of the stable review cycle for the 5.17.12 release. There are 111 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Sun, 29 May 2022 08:46:36 +0000. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.17.12-rc1.gz or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.17.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Linux 5.17.12-rc1 Edward Matijevic <motolav@xxxxxxxxx> ALSA: ctxfi: Add SB046x PCI ID Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx> ACPI: sysfs: Fix BERT error region memory mapping Jason A. Donenfeld <Jason@xxxxxxxxx> random: check for signals after page of pool writes Jens Axboe <axboe@xxxxxxxxx> random: wire up fops->splice_{read,write}_iter() Jens Axboe <axboe@xxxxxxxxx> random: convert to using fops->write_iter() Jens Axboe <axboe@xxxxxxxxx> random: convert to using fops->read_iter() Jason A. Donenfeld <Jason@xxxxxxxxx> random: unify batched entropy implementations Jason A. Donenfeld <Jason@xxxxxxxxx> random: move randomize_page() into mm where it belongs Jason A. Donenfeld <Jason@xxxxxxxxx> random: move initialization functions out of hot pages Jason A. Donenfeld <Jason@xxxxxxxxx> random: make consistent use of buf and len Jason A. Donenfeld <Jason@xxxxxxxxx> random: use proper return types on get_random_{int,long}_wait() Jason A. Donenfeld <Jason@xxxxxxxxx> random: remove extern from functions in header Jason A. Donenfeld <Jason@xxxxxxxxx> random: use static branch for crng_ready() Jason A. Donenfeld <Jason@xxxxxxxxx> random: credit architectural init the exact amount Jason A. Donenfeld <Jason@xxxxxxxxx> random: handle latent entropy and command line from random_init() Jason A. Donenfeld <Jason@xxxxxxxxx> random: use proper jiffies comparison macro Jason A. Donenfeld <Jason@xxxxxxxxx> random: remove ratelimiting for in-kernel unseeded randomness Jason A. Donenfeld <Jason@xxxxxxxxx> random: move initialization out of reseeding hot path Jason A. Donenfeld <Jason@xxxxxxxxx> random: avoid initializing twice in credit race Jason A. Donenfeld <Jason@xxxxxxxxx> random: use symbolic constants for crng_init states Jason A. Donenfeld <Jason@xxxxxxxxx> siphash: use one source of truth for siphash permutations Jason A. Donenfeld <Jason@xxxxxxxxx> random: help compiler out with fast_mix() by using simpler arguments Jason A. Donenfeld <Jason@xxxxxxxxx> random: do not use input pool from hard IRQs Jason A. Donenfeld <Jason@xxxxxxxxx> random: order timer entropy functions below interrupt functions Jason A. Donenfeld <Jason@xxxxxxxxx> random: do not pretend to handle premature next security model Jason A. Donenfeld <Jason@xxxxxxxxx> random: use first 128 bits of input as fast init Jason A. Donenfeld <Jason@xxxxxxxxx> random: do not use batches when !crng_ready() Jason A. Donenfeld <Jason@xxxxxxxxx> random: insist on random_get_entropy() existing in order to simplify Jason A. Donenfeld <Jason@xxxxxxxxx> xtensa: use fallback for random_get_entropy() instead of zero Jason A. Donenfeld <Jason@xxxxxxxxx> sparc: use fallback for random_get_entropy() instead of zero Jason A. Donenfeld <Jason@xxxxxxxxx> um: use fallback for random_get_entropy() instead of zero Jason A. Donenfeld <Jason@xxxxxxxxx> x86/tsc: Use fallback for random_get_entropy() instead of zero Jason A. Donenfeld <Jason@xxxxxxxxx> nios2: use fallback for random_get_entropy() instead of zero Jason A. Donenfeld <Jason@xxxxxxxxx> arm: use fallback for random_get_entropy() instead of zero Jason A. Donenfeld <Jason@xxxxxxxxx> mips: use fallback for random_get_entropy() instead of just c0 random Jason A. Donenfeld <Jason@xxxxxxxxx> riscv: use fallback for random_get_entropy() instead of zero Jason A. Donenfeld <Jason@xxxxxxxxx> m68k: use fallback for random_get_entropy() instead of zero Jason A. Donenfeld <Jason@xxxxxxxxx> timekeeping: Add raw clock fallback for random_get_entropy() Jason A. Donenfeld <Jason@xxxxxxxxx> powerpc: define get_cycles macro for arch-override Jason A. Donenfeld <Jason@xxxxxxxxx> alpha: define get_cycles macro for arch-override Jason A. Donenfeld <Jason@xxxxxxxxx> parisc: define get_cycles macro for arch-override Jason A. Donenfeld <Jason@xxxxxxxxx> s390: define get_cycles macro for arch-override Jason A. Donenfeld <Jason@xxxxxxxxx> ia64: define get_cycles macro for arch-override Jason A. Donenfeld <Jason@xxxxxxxxx> init: call time_init() before rand_initialize() Jason A. Donenfeld <Jason@xxxxxxxxx> random: fix sysctl documentation nits Jason A. Donenfeld <Jason@xxxxxxxxx> random: document crng_fast_key_erasure() destination possibility Jason A. Donenfeld <Jason@xxxxxxxxx> random: make random_get_entropy() return an unsigned long Jason A. Donenfeld <Jason@xxxxxxxxx> random: allow partial reads if later user copies fail Jason A. Donenfeld <Jason@xxxxxxxxx> random: check for signals every PAGE_SIZE chunk of /dev/[u]random Jann Horn <jannh@xxxxxxxxxx> random: check for signal_pending() outside of need_resched() check Jason A. Donenfeld <Jason@xxxxxxxxx> random: do not allow user to keep crng key around on stack Jan Varho <jan.varho@xxxxxxxxx> random: do not split fast init input in add_hwgenerator_randomness() Jason A. Donenfeld <Jason@xxxxxxxxx> random: mix build-time latent entropy into pool at init Jason A. Donenfeld <Jason@xxxxxxxxx> random: re-add removed comment about get_random_{u32,u64} reseeding Jason A. Donenfeld <Jason@xxxxxxxxx> random: treat bootloader trust toggle the same way as cpu trust toggle Jason A. Donenfeld <Jason@xxxxxxxxx> random: skip fast_init if hwrng provides large chunk of entropy Jason A. Donenfeld <Jason@xxxxxxxxx> random: check for signal and try earlier when generating entropy Jason A. Donenfeld <Jason@xxxxxxxxx> random: reseed more often immediately after booting Jason A. Donenfeld <Jason@xxxxxxxxx> random: make consistent usage of crng_ready() Jason A. Donenfeld <Jason@xxxxxxxxx> random: use SipHash as interrupt entropy accumulator Jason A. Donenfeld <Jason@xxxxxxxxx> random: replace custom notifier chain with standard one Jason A. Donenfeld <Jason@xxxxxxxxx> random: don't let 644 read-only sysctls be written to Jason A. Donenfeld <Jason@xxxxxxxxx> random: give sysctl_random_min_urandom_seed a more sensible value Jason A. Donenfeld <Jason@xxxxxxxxx> random: do crng pre-init loading in worker rather than irq Jason A. Donenfeld <Jason@xxxxxxxxx> random: unify cycles_t and jiffies usage and types Jason A. Donenfeld <Jason@xxxxxxxxx> random: cleanup UUID handling Jason A. Donenfeld <Jason@xxxxxxxxx> random: only wake up writers after zap if threshold was passed Jason A. Donenfeld <Jason@xxxxxxxxx> random: round-robin registers as ulong, not u32 Jason A. Donenfeld <Jason@xxxxxxxxx> random: clear fast pool, crng, and batches in cpuhp bring up Jason A. Donenfeld <Jason@xxxxxxxxx> random: pull add_hwgenerator_randomness() declaration into random.h Jason A. Donenfeld <Jason@xxxxxxxxx> random: check for crng_init == 0 in add_device_randomness() Jason A. Donenfeld <Jason@xxxxxxxxx> random: unify early init crng load accounting Jason A. Donenfeld <Jason@xxxxxxxxx> random: do not take pool spinlock at boot Jason A. Donenfeld <Jason@xxxxxxxxx> random: defer fast pool mixing to worker Jason A. Donenfeld <Jason@xxxxxxxxx> random: rewrite header introductory comment Jason A. Donenfeld <Jason@xxxxxxxxx> random: group sysctl functions Jason A. Donenfeld <Jason@xxxxxxxxx> random: group userspace read/write functions Jason A. Donenfeld <Jason@xxxxxxxxx> random: group entropy collection functions Jason A. Donenfeld <Jason@xxxxxxxxx> random: group entropy extraction functions Jason A. Donenfeld <Jason@xxxxxxxxx> random: group crng functions Jason A. Donenfeld <Jason@xxxxxxxxx> random: group initialization wait functions Jason A. Donenfeld <Jason@xxxxxxxxx> random: remove whitespace and reorder includes Jason A. Donenfeld <Jason@xxxxxxxxx> random: remove useless header comment Jason A. Donenfeld <Jason@xxxxxxxxx> random: introduce drain_entropy() helper to declutter crng_reseed() Jason A. Donenfeld <Jason@xxxxxxxxx> random: deobfuscate irq u32/u64 contributions Jason A. Donenfeld <Jason@xxxxxxxxx> random: add proper SPDX header Jason A. Donenfeld <Jason@xxxxxxxxx> random: remove unused tracepoints Jason A. Donenfeld <Jason@xxxxxxxxx> random: remove ifdef'd out interrupt bench Jason A. Donenfeld <Jason@xxxxxxxxx> random: tie batched entropy generation to base_crng generation Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> random: fix locking for crng_init in crng_reseed() Jason A. Donenfeld <Jason@xxxxxxxxx> random: zero buffer after reading entropy from userspace Jason A. Donenfeld <Jason@xxxxxxxxx> random: remove outdated INT_MAX >> 6 check in urandom_read() Jason A. Donenfeld <Jason@xxxxxxxxx> random: make more consistent use of integer types Jason A. Donenfeld <Jason@xxxxxxxxx> random: use hash function for crng_slow_load() Jason A. Donenfeld <Jason@xxxxxxxxx> random: use simpler fast key erasure flow on per-cpu keys Jason A. Donenfeld <Jason@xxxxxxxxx> random: absorb fast pool into input pool after fast load Jason A. Donenfeld <Jason@xxxxxxxxx> random: do not xor RDRAND when writing into /dev/random Jason A. Donenfeld <Jason@xxxxxxxxx> random: ensure early RDSEED goes through mixer on init Jason A. Donenfeld <Jason@xxxxxxxxx> random: inline leaves of rand_initialize() Jason A. Donenfeld <Jason@xxxxxxxxx> random: get rid of secondary crngs Jason A. Donenfeld <Jason@xxxxxxxxx> random: use RDSEED instead of RDRAND in entropy extraction Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> random: fix locking in crng_fast_load() Jason A. Donenfeld <Jason@xxxxxxxxx> random: remove batched entropy locking Eric Biggers <ebiggers@xxxxxxxxxx> random: remove use_input_pool parameter from crng_reseed() Jason A. Donenfeld <Jason@xxxxxxxxx> random: make credit_entropy_bits() always safe Jason A. Donenfeld <Jason@xxxxxxxxx> random: always wake up entropy writers after extraction Jason A. Donenfeld <Jason@xxxxxxxxx> random: use linear min-entropy accumulation crediting Jason A. Donenfeld <Jason@xxxxxxxxx> random: simplify entropy debiting Jason A. Donenfeld <Jason@xxxxxxxxx> random: use computational hash for entropy extraction Paolo Bonzini <pbonzini@xxxxxxxxxx> KVM: x86/mmu: fix NULL pointer dereference on guest INVPCID Basavaraj Natikar <Basavaraj.Natikar@xxxxxxx> HID: amd_sfh: Add support for sensor discovery ------------- Diffstat: Documentation/admin-guide/kernel-parameters.txt | 6 + Documentation/admin-guide/sysctl/kernel.rst | 22 +- Makefile | 4 +- arch/alpha/include/asm/timex.h | 1 + arch/arm/include/asm/timex.h | 1 + arch/ia64/include/asm/timex.h | 1 + arch/m68k/include/asm/timex.h | 2 +- arch/mips/include/asm/timex.h | 17 +- arch/nios2/include/asm/timex.h | 3 + arch/parisc/include/asm/timex.h | 3 +- arch/powerpc/include/asm/timex.h | 1 + arch/riscv/include/asm/timex.h | 2 +- arch/s390/include/asm/timex.h | 1 + arch/sparc/include/asm/timex_32.h | 4 +- arch/um/include/asm/timex.h | 9 +- arch/x86/include/asm/timex.h | 9 + arch/x86/include/asm/tsc.h | 7 +- arch/x86/kvm/mmu/mmu.c | 6 +- arch/xtensa/include/asm/timex.h | 6 +- drivers/acpi/sysfs.c | 25 +- drivers/char/Kconfig | 3 +- drivers/char/hw_random/core.c | 1 + drivers/char/random.c | 2868 +++++++++-------------- drivers/hid/amd-sfh-hid/amd_sfh_client.c | 11 + drivers/hid/amd-sfh-hid/amd_sfh_pcie.c | 7 + drivers/hid/amd-sfh-hid/amd_sfh_pcie.h | 4 + include/linux/cpuhotplug.h | 2 + include/linux/hw_random.h | 2 - include/linux/mm.h | 1 + include/linux/prandom.h | 23 +- include/linux/random.h | 100 +- include/linux/siphash.h | 28 + include/linux/timex.h | 10 +- include/trace/events/random.h | 233 -- init/main.c | 13 +- kernel/cpu.c | 11 + kernel/time/timekeeping.c | 15 + lib/Kconfig.debug | 3 +- lib/random32.c | 14 +- lib/siphash.c | 32 +- lib/vsprintf.c | 10 +- mm/util.c | 32 + sound/pci/ctxfi/ctatc.c | 2 + sound/pci/ctxfi/cthardware.h | 3 +- 44 files changed, 1365 insertions(+), 2193 deletions(-)
