Public bug reported:
SRU Justification
Impact:
The upstream process for stable tree updates is quite similar
in scope to the Ubuntu SRU process, e.g., each patch has to
demonstrably fix a bug, and each patch is vetted by upstream
by originating either directly from a mainline/stable Linux tree or
a minimally backported form of that patch. The following upstream
stable patches should be included in the Ubuntu kernel:
v5.4.200 upstream stable release
from git://git.kernel.org/
Revert "UBUNTU: SAUCE: random: Make getrandom() ready earlier"
9p: missing chunk of "fs/9p: Don't update file type when updating file
attributes"
bpf: Fix incorrect memory charge cost calculation in stack_map_alloc()
nfc: st21nfca: fix incorrect sizing calculations in EVT_TRANSACTION
crypto: blake2s - generic C library implementation and selftest
lib/crypto: blake2s: move hmac construction into wireguard
lib/crypto: sha1: re-roll loops to reduce code size
compat_ioctl: remove /dev/random commands
random: don't forget compat_ioctl on urandom
random: Don't wake crng_init_wait when crng_init == 1
random: Add a urandom_read_nowait() for random APIs that don't warn
random: add GRND_INSECURE to return best-effort non-cryptographic bytes
random: ignore GRND_RANDOM in getentropy(2)
random: make /dev/random be almost like /dev/urandom
random: remove the blocking pool
random: delete code to pull data into pools
random: remove kernel.random.read_wakeup_threshold
random: remove unnecessary unlikely()
random: convert to ENTROPY_BITS for better code readability
random: Add and use pr_fmt()
random: fix typo in add_timer_randomness()
random: remove some dead code of poolinfo
random: split primary/secondary crng init paths
random: avoid warnings for !CONFIG_NUMA builds
x86: Remove arch_has_random, arch_has_random_seed
powerpc: Remove arch_has_random, arch_has_random_seed
s390: Remove arch_has_random, arch_has_random_seed
linux/random.h: Remove arch_has_random, arch_has_random_seed
linux/random.h: Use false with bool
linux/random.h: Mark CONFIG_ARCH_RANDOM functions __must_check
powerpc: Use bool in archrandom.h
random: add arch_get_random_*long_early()
random: avoid arch_get_random_seed_long() when collecting IRQ randomness
random: remove dead code left over from blocking pool
MAINTAINERS: co-maintain random.c
crypto: blake2s - include <linux/bug.h> instead of <asm/bug.h>
crypto: blake2s - adjust include guard naming
random: document add_hwgenerator_randomness() with other input functions
random: remove unused irq_flags argument from add_interrupt_randomness()
random: use BLAKE2s instead of SHA1 in extraction
random: do not sign extend bytes for rotation when mixing
random: do not re-init if crng_reseed completes before primary init
random: mix bootloader randomness into pool
random: harmonize "crng init done" messages
random: use IS_ENABLED(CONFIG_NUMA) instead of ifdefs
random: initialize ChaCha20 constants with correct endianness
random: early initialization of ChaCha constants
random: avoid superfluous call to RDRAND in CRNG extraction
random: don't reset crng_init_cnt on urandom_read()
random: fix typo in comments
random: cleanup poolinfo abstraction
random: cleanup integer types
random: remove incomplete last_data logic
random: remove unused extract_entropy() reserved argument
random: rather than entropy_store abstraction, use global
random: remove unused OUTPUT_POOL constants
random: de-duplicate INPUT_POOL constants
random: prepend remaining pool constants with POOL_
random: cleanup fractional entropy shift constants
random: access input_pool_data directly rather than through pointer
random: selectively clang-format where it makes sense
random: simplify arithmetic function flow in account()
random: continually use hwgenerator randomness
random: access primary_pool directly rather than through pointer
random: only call crng_finalize_init() for primary_crng
random: use computational hash for entropy extraction
random: simplify entropy debiting
random: use linear min-entropy accumulation crediting
random: always wake up entropy writers after extraction
random: make credit_entropy_bits() always safe
random: remove use_input_pool parameter from crng_reseed()
random: remove batched entropy locking
random: fix locking in crng_fast_load()
random: use RDSEED instead of RDRAND in entropy extraction
random: get rid of secondary crngs
random: inline leaves of rand_initialize()
random: ensure early RDSEED goes through mixer on init
random: do not xor RDRAND when writing into /dev/random
random: absorb fast pool into input pool after fast load
random: use simpler fast key erasure flow on per-cpu keys
random: use hash function for crng_slow_load()
random: make more consistent use of integer types
random: remove outdated INT_MAX >> 6 check in urandom_read()
random: zero buffer after reading entropy from userspace
random: fix locking for crng_init in crng_reseed()
random: tie batched entropy generation to base_crng generation
random: remove ifdef'd out interrupt bench
random: remove unused tracepoints
random: add proper SPDX header
random: deobfuscate irq u32/u64 contributions
random: introduce drain_entropy() helper to declutter crng_reseed()
random: remove useless header comment
random: remove whitespace and reorder includes
random: group initialization wait functions
random: group crng functions
random: group entropy extraction functions
random: group entropy collection functions
random: group userspace read/write functions
random: group sysctl functions
random: rewrite header introductory comment
random: defer fast pool mixing to worker
random: do not take pool spinlock at boot
random: unify early init crng load accounting
random: check for crng_init == 0 in add_device_randomness()
random: pull add_hwgenerator_randomness() declaration into random.h
random: clear fast pool, crng, and batches in cpuhp bring up
random: round-robin registers as ulong, not u32
random: only wake up writers after zap if threshold was passed
random: cleanup UUID handling
random: unify cycles_t and jiffies usage and types
random: do crng pre-init loading in worker rather than irq
random: give sysctl_random_min_urandom_seed a more sensible value
random: don't let 644 read-only sysctls be written to
random: replace custom notifier chain with standard one
random: use SipHash as interrupt entropy accumulator
random: make consistent usage of crng_ready()
random: reseed more often immediately after booting
random: check for signal and try earlier when generating entropy
random: skip fast_init if hwrng provides large chunk of entropy
random: treat bootloader trust toggle the same way as cpu trust toggle
random: re-add removed comment about get_random_{u32,u64} reseeding
random: mix build-time latent entropy into pool at init
random: do not split fast init input in add_hwgenerator_randomness()
random: do not allow user to keep crng key around on stack
random: check for signal_pending() outside of need_resched() check
random: check for signals every PAGE_SIZE chunk of /dev/[u]random
random: allow partial reads if later user copies fail
random: make random_get_entropy() return an unsigned long
random: document crng_fast_key_erasure() destination possibility
random: fix sysctl documentation nits
init: call time_init() before rand_initialize()
ia64: define get_cycles macro for arch-override
s390: define get_cycles macro for arch-override
parisc: define get_cycles macro for arch-override
alpha: define get_cycles macro for arch-override
powerpc: define get_cycles macro for arch-override
timekeeping: Add raw clock fallback for random_get_entropy()
m68k: use fallback for random_get_entropy() instead of zero
mips: use fallback for random_get_entropy() instead of just c0 random
arm: use fallback for random_get_entropy() instead of zero
nios2: use fallback for random_get_entropy() instead of zero
x86/tsc: Use fallback for random_get_entropy() instead of zero
um: use fallback for random_get_entropy() instead of zero
sparc: use fallback for random_get_entropy() instead of zero
xtensa: use fallback for random_get_entropy() instead of zero
random: insist on random_get_entropy() existing in order to simplify
random: do not use batches when !crng_ready()
random: use first 128 bits of input as fast init
random: do not pretend to handle premature next security model
random: order timer entropy functions below interrupt functions
random: do not use input pool from hard IRQs
random: help compiler out with fast_mix() by using simpler arguments
siphash: use one source of truth for siphash permutations
random: use symbolic constants for crng_init states
random: avoid initializing twice in credit race
random: move initialization out of reseeding hot path
random: remove ratelimiting for in-kernel unseeded randomness
random: use proper jiffies comparison macro
random: handle latent entropy and command line from random_init()
random: credit architectural init the exact amount
random: use static branch for crng_ready()
random: remove extern from functions in header
random: use proper return types on get_random_{int,long}_wait()
random: make consistent use of buf and len
random: move initialization functions out of hot pages
random: move randomize_page() into mm where it belongs
random: unify batched entropy implementations
random: convert to using fops->read_iter()
random: convert to using fops->write_iter()
random: wire up fops->splice_{read,write}_iter()
random: check for signals after page of pool writes
Revert "random: use static branch for crng_ready()"
crypto: drbg - always seeded with SP800-90B compliant noise source
crypto: drbg - prepare for more fine-grained tracking of seeding state
crypto: drbg - track whether DRBG was seeded with !rng_is_initialized()
crypto: drbg - move dynamic ->reseed_threshold adjustments to __drbg_seed()
crypto: drbg - always try to free Jitter RNG instance
crypto: drbg - make reseeding from get_random_bytes() synchronous
random: avoid checking crng_ready() twice in random_init()
random: mark bootloader randomness code as __init
random: account for arch randomness in bits
powerpc/kasan: Silence KASAN warnings in __get_wchan()
ASoC: nau8822: Add operation for internal PLL off and on
dma-debug: make things less spammy under memory pressure
ASoC: cs42l52: Fix TLV scales for mixer controls
ASoC: cs35l36: Update digital volume TLV
ASoC: cs53l30: Correct number of volume levels on SX controls
ASoC: cs42l52: Correct TLV for Bypass Volume
ASoC: cs42l56: Correct typo in minimum level for SX volume controls
ata: libata-core: fix NULL pointer deref in ata_host_alloc_pinfo()
ASoC: wm8962: Fix suspend while playing music
ASoC: es8328: Fix event generation for deemphasis control
ASoC: wm_adsp: Fix event generation for wm_adsp_fw_put()
scsi: vmw_pvscsi: Expand vcpuHint to 16 bits
scsi: lpfc: Fix port stuck in bypassed state after LIP in PT2PT topology
scsi: lpfc: Allow reduced polling rate for nvme_admin_async_event cmd completion
scsi: ipr: Fix missing/incorrect resource cleanup in error case
scsi: pmcraid: Fix missing resource cleanup in error case
ALSA: hda/realtek - Add HW8326 support
virtio-mmio: fix missing put_device() when vm_cmdline_parent registration failed
nfc: nfcmrvl: Fix memory leak in nfcmrvl_play_deferred
ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg
net: ethernet: mtk_eth_soc: fix misuse of mem alloc interface
netdev[napi]_alloc_frag
random: credit cpu and bootloader seeds by default
pNFS: Don't keep retrying if the server replied NFS4ERR_LAYOUTUNAVAILABLE
clocksource: hyper-v: unexport __init-annotated hv_init_clocksource()
i40e: Fix adding ADQ filter to TC0
i40e: Fix calculating the number of queue pairs
i40e: Fix call trace in setup_tx_descriptors
tty: goldfish: Fix free_irq() on remove
misc: atmel-ssc: Fix IRQ check in ssc_probe
mlxsw: spectrum_cnt: Reorder counter pools
net: bgmac: Fix an erroneous kfree() in bgmac_remove()
arm64: ftrace: fix branch range checks
certs/blacklist_hashes.c: fix const confusion in certs blacklist
faddr2line: Fix overlapping text section failures, the sequel
irqchip/gic/realview: Fix refcount leak in realview_gic_of_init
irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions
irqchip/gic-v3: Fix refcount leak in gic_populate_ppi_partitions
i2c: designware: Use standard optional ref clock implementation
comedi: vmk80xx: fix expression for tx buffer size
USB: serial: option: add support for Cinterion MV31 with new baseline
USB: serial: io_ti: add Agilent E5805A support
usb: dwc2: Fix memory leak in dwc2_hcd_init
usb: gadget: lpc32xx_udc: Fix refcount leak in lpc32xx_udc_probe
serial: 8250: Store to lsr_save_flags after lsr read
dm mirror log: round up region bitmap size to BITS_PER_LONG
ext4: fix bug_on ext4_mb_use_inode_pa
ext4: make variable "count" signed
ext4: add reserved GDT blocks check
ALSA: hda/realtek: fix right sounds and mute/micmute LEDs for HP machine
virtio-pci: Remove wrong address verification in vp_del_vqs()
net/sched: act_police: more accurate MTU policing
net: openvswitch: fix leak of nested actions
arm64: kprobes: Use BRK instead of single-step when executing instructions
out-of-line
RISC-V: fix barrier() use in <vdso/processor.h>
riscv: Less inefficient gcc tishift helpers (and export their symbols)
powerpc/mm: Switch obsolete dssall to .long
Linux 5.4.200
UBUNTU: Upstream stable to v5.4.200
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Focal)
Importance: Medium
Assignee: Kamal Mostafa (kamalmostafa)
Status: In Progress
** Tags: kernel-stable-tracking-bug
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Tags added: kernel-stable-tracking-bug
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
** Changed in: linux (Ubuntu Focal)
Status: New => In Progress
** Changed in: linux (Ubuntu Focal)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Focal)
Assignee: (unassigned) => Kamal Mostafa (kamalmostafa)
** Description changed:
+ SRU Justification
- SRU Justification
+ Impact:
+ The upstream process for stable tree updates is quite similar
+ in scope to the Ubuntu SRU process, e.g., each patch has to
+ demonstrably fix a bug, and each patch is vetted by upstream
+ by originating either directly from a mainline/stable Linux tree or
+ a minimally backported form of that patch. The following upstream
+ stable patches should be included in the Ubuntu kernel:
- Impact:
- The upstream process for stable tree updates is quite similar
- in scope to the Ubuntu SRU process, e.g., each patch has to
- demonstrably fix a bug, and each patch is vetted by upstream
- by originating either directly from a mainline/stable Linux tree or
- a minimally backported form of that patch. The following upstream
- stable patches should be included in the Ubuntu kernel:
+ v5.4.200 upstream stable release
+ from git://git.kernel.org/
- v5.4.200 upstream stable release
- from git://git.kernel.org/
+ Revert "UBUNTU: SAUCE: random: Make getrandom() ready earlier"
+ 9p: missing chunk of "fs/9p: Don't update file type when updating file
attributes"
+ bpf: Fix incorrect memory charge cost calculation in stack_map_alloc()
+ nfc: st21nfca: fix incorrect sizing calculations in EVT_TRANSACTION
+ crypto: blake2s - generic C library implementation and selftest
+ lib/crypto: blake2s: move hmac construction into wireguard
+ lib/crypto: sha1: re-roll loops to reduce code size
+ compat_ioctl: remove /dev/random commands
+ random: don't forget compat_ioctl on urandom
+ random: Don't wake crng_init_wait when crng_init == 1
+ random: Add a urandom_read_nowait() for random APIs that don't warn
+ random: add GRND_INSECURE to return best-effort non-cryptographic bytes
+ random: ignore GRND_RANDOM in getentropy(2)
+ random: make /dev/random be almost like /dev/urandom
+ random: remove the blocking pool
+ random: delete code to pull data into pools
+ random: remove kernel.random.read_wakeup_threshold
+ random: remove unnecessary unlikely()
+ random: convert to ENTROPY_BITS for better code readability
+ random: Add and use pr_fmt()
+ random: fix typo in add_timer_randomness()
+ random: remove some dead code of poolinfo
+ random: split primary/secondary crng init paths
+ random: avoid warnings for !CONFIG_NUMA builds
+ x86: Remove arch_has_random, arch_has_random_seed
+ powerpc: Remove arch_has_random, arch_has_random_seed
+ s390: Remove arch_has_random, arch_has_random_seed
+ linux/random.h: Remove arch_has_random, arch_has_random_seed
+ linux/random.h: Use false with bool
+ linux/random.h: Mark CONFIG_ARCH_RANDOM functions __must_check
+ powerpc: Use bool in archrandom.h
+ random: add arch_get_random_*long_early()
+ random: avoid arch_get_random_seed_long() when collecting IRQ randomness
+ random: remove dead code left over from blocking pool
+ MAINTAINERS: co-maintain random.c
+ crypto: blake2s - include <linux/bug.h> instead of <asm/bug.h>
+ crypto: blake2s - adjust include guard naming
+ random: document add_hwgenerator_randomness() with other input functions
+ random: remove unused irq_flags argument from add_interrupt_randomness()
+ random: use BLAKE2s instead of SHA1 in extraction
+ random: do not sign extend bytes for rotation when mixing
+ random: do not re-init if crng_reseed completes before primary init
+ random: mix bootloader randomness into pool
+ random: harmonize "crng init done" messages
+ random: use IS_ENABLED(CONFIG_NUMA) instead of ifdefs
+ random: initialize ChaCha20 constants with correct endianness
+ random: early initialization of ChaCha constants
+ random: avoid superfluous call to RDRAND in CRNG extraction
+ random: don't reset crng_init_cnt on urandom_read()
+ random: fix typo in comments
+ random: cleanup poolinfo abstraction
+ random: cleanup integer types
+ random: remove incomplete last_data logic
+ random: remove unused extract_entropy() reserved argument
+ random: rather than entropy_store abstraction, use global
+ random: remove unused OUTPUT_POOL constants
+ random: de-duplicate INPUT_POOL constants
+ random: prepend remaining pool constants with POOL_
+ random: cleanup fractional entropy shift constants
+ random: access input_pool_data directly rather than through pointer
+ random: selectively clang-format where it makes sense
+ random: simplify arithmetic function flow in account()
+ random: continually use hwgenerator randomness
+ random: access primary_pool directly rather than through pointer
+ random: only call crng_finalize_init() for primary_crng
+ random: use computational hash for entropy extraction
+ random: simplify entropy debiting
+ random: use linear min-entropy accumulation crediting
+ random: always wake up entropy writers after extraction
+ random: make credit_entropy_bits() always safe
+ random: remove use_input_pool parameter from crng_reseed()
+ random: remove batched entropy locking
+ random: fix locking in crng_fast_load()
+ random: use RDSEED instead of RDRAND in entropy extraction
+ random: get rid of secondary crngs
+ random: inline leaves of rand_initialize()
+ random: ensure early RDSEED goes through mixer on init
+ random: do not xor RDRAND when writing into /dev/random
+ random: absorb fast pool into input pool after fast load
+ random: use simpler fast key erasure flow on per-cpu keys
+ random: use hash function for crng_slow_load()
+ random: make more consistent use of integer types
+ random: remove outdated INT_MAX >> 6 check in urandom_read()
+ random: zero buffer after reading entropy from userspace
+ random: fix locking for crng_init in crng_reseed()
+ random: tie batched entropy generation to base_crng generation
+ random: remove ifdef'd out interrupt bench
+ random: remove unused tracepoints
+ random: add proper SPDX header
+ random: deobfuscate irq u32/u64 contributions
+ random: introduce drain_entropy() helper to declutter crng_reseed()
+ random: remove useless header comment
+ random: remove whitespace and reorder includes
+ random: group initialization wait functions
+ random: group crng functions
+ random: group entropy extraction functions
+ random: group entropy collection functions
+ random: group userspace read/write functions
+ random: group sysctl functions
+ random: rewrite header introductory comment
+ random: defer fast pool mixing to worker
+ random: do not take pool spinlock at boot
+ random: unify early init crng load accounting
+ random: check for crng_init == 0 in add_device_randomness()
+ random: pull add_hwgenerator_randomness() declaration into random.h
+ random: clear fast pool, crng, and batches in cpuhp bring up
+ random: round-robin registers as ulong, not u32
+ random: only wake up writers after zap if threshold was passed
+ random: cleanup UUID handling
+ random: unify cycles_t and jiffies usage and types
+ random: do crng pre-init loading in worker rather than irq
+ random: give sysctl_random_min_urandom_seed a more sensible value
+ random: don't let 644 read-only sysctls be written to
+ random: replace custom notifier chain with standard one
+ random: use SipHash as interrupt entropy accumulator
+ random: make consistent usage of crng_ready()
+ random: reseed more often immediately after booting
+ random: check for signal and try earlier when generating entropy
+ random: skip fast_init if hwrng provides large chunk of entropy
+ random: treat bootloader trust toggle the same way as cpu trust toggle
+ random: re-add removed comment about get_random_{u32,u64} reseeding
+ random: mix build-time latent entropy into pool at init
+ random: do not split fast init input in add_hwgenerator_randomness()
+ random: do not allow user to keep crng key around on stack
+ random: check for signal_pending() outside of need_resched() check
+ random: check for signals every PAGE_SIZE chunk of /dev/[u]random
+ random: allow partial reads if later user copies fail
+ random: make random_get_entropy() return an unsigned long
+ random: document crng_fast_key_erasure() destination possibility
+ random: fix sysctl documentation nits
+ init: call time_init() before rand_initialize()
+ ia64: define get_cycles macro for arch-override
+ s390: define get_cycles macro for arch-override
+ parisc: define get_cycles macro for arch-override
+ alpha: define get_cycles macro for arch-override
+ powerpc: define get_cycles macro for arch-override
+ timekeeping: Add raw clock fallback for random_get_entropy()
+ m68k: use fallback for random_get_entropy() instead of zero
+ mips: use fallback for random_get_entropy() instead of just c0 random
+ arm: use fallback for random_get_entropy() instead of zero
+ nios2: use fallback for random_get_entropy() instead of zero
+ x86/tsc: Use fallback for random_get_entropy() instead of zero
+ um: use fallback for random_get_entropy() instead of zero
+ sparc: use fallback for random_get_entropy() instead of zero
+ xtensa: use fallback for random_get_entropy() instead of zero
+ random: insist on random_get_entropy() existing in order to simplify
+ random: do not use batches when !crng_ready()
+ random: use first 128 bits of input as fast init
+ random: do not pretend to handle premature next security model
+ random: order timer entropy functions below interrupt functions
+ random: do not use input pool from hard IRQs
+ random: help compiler out with fast_mix() by using simpler arguments
+ siphash: use one source of truth for siphash permutations
+ random: use symbolic constants for crng_init states
+ random: avoid initializing twice in credit race
+ random: move initialization out of reseeding hot path
+ random: remove ratelimiting for in-kernel unseeded randomness
+ random: use proper jiffies comparison macro
+ random: handle latent entropy and command line from random_init()
+ random: credit architectural init the exact amount
+ random: use static branch for crng_ready()
+ random: remove extern from functions in header
+ random: use proper return types on get_random_{int,long}_wait()
+ random: make consistent use of buf and len
+ random: move initialization functions out of hot pages
+ random: move randomize_page() into mm where it belongs
+ random: unify batched entropy implementations
+ random: convert to using fops->read_iter()
+ random: convert to using fops->write_iter()
+ random: wire up fops->splice_{read,write}_iter()
+ random: check for signals after page of pool writes
+ Revert "random: use static branch for crng_ready()"
+ crypto: drbg - always seeded with SP800-90B compliant noise source
+ crypto: drbg - prepare for more fine-grained tracking of seeding state
+ crypto: drbg - track whether DRBG was seeded with !rng_is_initialized()
+ crypto: drbg - move dynamic ->reseed_threshold adjustments to __drbg_seed()
+ crypto: drbg - always try to free Jitter RNG instance
+ crypto: drbg - make reseeding from get_random_bytes() synchronous
+ random: avoid checking crng_ready() twice in random_init()
+ random: mark bootloader randomness code as __init
+ random: account for arch randomness in bits
+ powerpc/kasan: Silence KASAN warnings in __get_wchan()
+ ASoC: nau8822: Add operation for internal PLL off and on
+ dma-debug: make things less spammy under memory pressure
+ ASoC: cs42l52: Fix TLV scales for mixer controls
+ ASoC: cs35l36: Update digital volume TLV
+ ASoC: cs53l30: Correct number of volume levels on SX controls
+ ASoC: cs42l52: Correct TLV for Bypass Volume
+ ASoC: cs42l56: Correct typo in minimum level for SX volume controls
+ ata: libata-core: fix NULL pointer deref in ata_host_alloc_pinfo()
+ ASoC: wm8962: Fix suspend while playing music
+ ASoC: es8328: Fix event generation for deemphasis control
+ ASoC: wm_adsp: Fix event generation for wm_adsp_fw_put()
+ scsi: vmw_pvscsi: Expand vcpuHint to 16 bits
+ scsi: lpfc: Fix port stuck in bypassed state after LIP in PT2PT topology
+ scsi: lpfc: Allow reduced polling rate for nvme_admin_async_event cmd
completion
+ scsi: ipr: Fix missing/incorrect resource cleanup in error case
+ scsi: pmcraid: Fix missing resource cleanup in error case
+ ALSA: hda/realtek - Add HW8326 support
+ virtio-mmio: fix missing put_device() when vm_cmdline_parent registration
failed
+ nfc: nfcmrvl: Fix memory leak in nfcmrvl_play_deferred
+ ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg
+ net: ethernet: mtk_eth_soc: fix misuse of mem alloc interface
netdev[napi]_alloc_frag
+ random: credit cpu and bootloader seeds by default
+ pNFS: Don't keep retrying if the server replied NFS4ERR_LAYOUTUNAVAILABLE
+ clocksource: hyper-v: unexport __init-annotated hv_init_clocksource()
+ i40e: Fix adding ADQ filter to TC0
+ i40e: Fix calculating the number of queue pairs
+ i40e: Fix call trace in setup_tx_descriptors
+ tty: goldfish: Fix free_irq() on remove
+ misc: atmel-ssc: Fix IRQ check in ssc_probe
+ mlxsw: spectrum_cnt: Reorder counter pools
+ net: bgmac: Fix an erroneous kfree() in bgmac_remove()
+ arm64: ftrace: fix branch range checks
+ certs/blacklist_hashes.c: fix const confusion in certs blacklist
+ faddr2line: Fix overlapping text section failures, the sequel
+ irqchip/gic/realview: Fix refcount leak in realview_gic_of_init
+ irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions
+ irqchip/gic-v3: Fix refcount leak in gic_populate_ppi_partitions
+ i2c: designware: Use standard optional ref clock implementation
+ comedi: vmk80xx: fix expression for tx buffer size
+ USB: serial: option: add support for Cinterion MV31 with new baseline
+ USB: serial: io_ti: add Agilent E5805A support
+ usb: dwc2: Fix memory leak in dwc2_hcd_init
+ usb: gadget: lpc32xx_udc: Fix refcount leak in lpc32xx_udc_probe
+ serial: 8250: Store to lsr_save_flags after lsr read
+ dm mirror log: round up region bitmap size to BITS_PER_LONG
+ ext4: fix bug_on ext4_mb_use_inode_pa
+ ext4: make variable "count" signed
+ ext4: add reserved GDT blocks check
+ ALSA: hda/realtek: fix right sounds and mute/micmute LEDs for HP machine
+ virtio-pci: Remove wrong address verification in vp_del_vqs()
+ net/sched: act_police: more accurate MTU policing
+ net: openvswitch: fix leak of nested actions
+ arm64: kprobes: Use BRK instead of single-step when executing instructions
out-of-line
+ RISC-V: fix barrier() use in <vdso/processor.h>
+ riscv: Less inefficient gcc tishift helpers (and export their symbols)
+ powerpc/mm: Switch obsolete dssall to .long
+ Linux 5.4.200
+ UBUNTU: Upstream stable to v5.4.200
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https://bugs.launchpad.net/bugs/1983152
Title:
Focal update: v5.4.200 upstream stable release
Status in linux package in Ubuntu:
Invalid
Status in linux source package in Focal:
In Progress
Bug description:
SRU Justification
Impact:
The upstream process for stable tree updates is quite similar
in scope to the Ubuntu SRU process, e.g., each patch has to
demonstrably fix a bug, and each patch is vetted by upstream
by originating either directly from a mainline/stable Linux tree or
a minimally backported form of that patch. The following upstream
stable patches should be included in the Ubuntu kernel:
v5.4.200 upstream stable release
from git://git.kernel.org/
Revert "UBUNTU: SAUCE: random: Make getrandom() ready earlier"
9p: missing chunk of "fs/9p: Don't update file type when updating file
attributes"
bpf: Fix incorrect memory charge cost calculation in stack_map_alloc()
nfc: st21nfca: fix incorrect sizing calculations in EVT_TRANSACTION
crypto: blake2s - generic C library implementation and selftest
lib/crypto: blake2s: move hmac construction into wireguard
lib/crypto: sha1: re-roll loops to reduce code size
compat_ioctl: remove /dev/random commands
random: don't forget compat_ioctl on urandom
random: Don't wake crng_init_wait when crng_init == 1
random: Add a urandom_read_nowait() for random APIs that don't warn
random: add GRND_INSECURE to return best-effort non-cryptographic bytes
random: ignore GRND_RANDOM in getentropy(2)
random: make /dev/random be almost like /dev/urandom
random: remove the blocking pool
random: delete code to pull data into pools
random: remove kernel.random.read_wakeup_threshold
random: remove unnecessary unlikely()
random: convert to ENTROPY_BITS for better code readability
random: Add and use pr_fmt()
random: fix typo in add_timer_randomness()
random: remove some dead code of poolinfo
random: split primary/secondary crng init paths
random: avoid warnings for !CONFIG_NUMA builds
x86: Remove arch_has_random, arch_has_random_seed
powerpc: Remove arch_has_random, arch_has_random_seed
s390: Remove arch_has_random, arch_has_random_seed
linux/random.h: Remove arch_has_random, arch_has_random_seed
linux/random.h: Use false with bool
linux/random.h: Mark CONFIG_ARCH_RANDOM functions __must_check
powerpc: Use bool in archrandom.h
random: add arch_get_random_*long_early()
random: avoid arch_get_random_seed_long() when collecting IRQ randomness
random: remove dead code left over from blocking pool
MAINTAINERS: co-maintain random.c
crypto: blake2s - include <linux/bug.h> instead of <asm/bug.h>
crypto: blake2s - adjust include guard naming
random: document add_hwgenerator_randomness() with other input functions
random: remove unused irq_flags argument from add_interrupt_randomness()
random: use BLAKE2s instead of SHA1 in extraction
random: do not sign extend bytes for rotation when mixing
random: do not re-init if crng_reseed completes before primary init
random: mix bootloader randomness into pool
random: harmonize "crng init done" messages
random: use IS_ENABLED(CONFIG_NUMA) instead of ifdefs
random: initialize ChaCha20 constants with correct endianness
random: early initialization of ChaCha constants
random: avoid superfluous call to RDRAND in CRNG extraction
random: don't reset crng_init_cnt on urandom_read()
random: fix typo in comments
random: cleanup poolinfo abstraction
random: cleanup integer types
random: remove incomplete last_data logic
random: remove unused extract_entropy() reserved argument
random: rather than entropy_store abstraction, use global
random: remove unused OUTPUT_POOL constants
random: de-duplicate INPUT_POOL constants
random: prepend remaining pool constants with POOL_
random: cleanup fractional entropy shift constants
random: access input_pool_data directly rather than through pointer
random: selectively clang-format where it makes sense
random: simplify arithmetic function flow in account()
random: continually use hwgenerator randomness
random: access primary_pool directly rather than through pointer
random: only call crng_finalize_init() for primary_crng
random: use computational hash for entropy extraction
random: simplify entropy debiting
random: use linear min-entropy accumulation crediting
random: always wake up entropy writers after extraction
random: make credit_entropy_bits() always safe
random: remove use_input_pool parameter from crng_reseed()
random: remove batched entropy locking
random: fix locking in crng_fast_load()
random: use RDSEED instead of RDRAND in entropy extraction
random: get rid of secondary crngs
random: inline leaves of rand_initialize()
random: ensure early RDSEED goes through mixer on init
random: do not xor RDRAND when writing into /dev/random
random: absorb fast pool into input pool after fast load
random: use simpler fast key erasure flow on per-cpu keys
random: use hash function for crng_slow_load()
random: make more consistent use of integer types
random: remove outdated INT_MAX >> 6 check in urandom_read()
random: zero buffer after reading entropy from userspace
random: fix locking for crng_init in crng_reseed()
random: tie batched entropy generation to base_crng generation
random: remove ifdef'd out interrupt bench
random: remove unused tracepoints
random: add proper SPDX header
random: deobfuscate irq u32/u64 contributions
random: introduce drain_entropy() helper to declutter crng_reseed()
random: remove useless header comment
random: remove whitespace and reorder includes
random: group initialization wait functions
random: group crng functions
random: group entropy extraction functions
random: group entropy collection functions
random: group userspace read/write functions
random: group sysctl functions
random: rewrite header introductory comment
random: defer fast pool mixing to worker
random: do not take pool spinlock at boot
random: unify early init crng load accounting
random: check for crng_init == 0 in add_device_randomness()
random: pull add_hwgenerator_randomness() declaration into random.h
random: clear fast pool, crng, and batches in cpuhp bring up
random: round-robin registers as ulong, not u32
random: only wake up writers after zap if threshold was passed
random: cleanup UUID handling
random: unify cycles_t and jiffies usage and types
random: do crng pre-init loading in worker rather than irq
random: give sysctl_random_min_urandom_seed a more sensible value
random: don't let 644 read-only sysctls be written to
random: replace custom notifier chain with standard one
random: use SipHash as interrupt entropy accumulator
random: make consistent usage of crng_ready()
random: reseed more often immediately after booting
random: check for signal and try earlier when generating entropy
random: skip fast_init if hwrng provides large chunk of entropy
random: treat bootloader trust toggle the same way as cpu trust toggle
random: re-add removed comment about get_random_{u32,u64} reseeding
random: mix build-time latent entropy into pool at init
random: do not split fast init input in add_hwgenerator_randomness()
random: do not allow user to keep crng key around on stack
random: check for signal_pending() outside of need_resched() check
random: check for signals every PAGE_SIZE chunk of /dev/[u]random
random: allow partial reads if later user copies fail
random: make random_get_entropy() return an unsigned long
random: document crng_fast_key_erasure() destination possibility
random: fix sysctl documentation nits
init: call time_init() before rand_initialize()
ia64: define get_cycles macro for arch-override
s390: define get_cycles macro for arch-override
parisc: define get_cycles macro for arch-override
alpha: define get_cycles macro for arch-override
powerpc: define get_cycles macro for arch-override
timekeeping: Add raw clock fallback for random_get_entropy()
m68k: use fallback for random_get_entropy() instead of zero
mips: use fallback for random_get_entropy() instead of just c0 random
arm: use fallback for random_get_entropy() instead of zero
nios2: use fallback for random_get_entropy() instead of zero
x86/tsc: Use fallback for random_get_entropy() instead of zero
um: use fallback for random_get_entropy() instead of zero
sparc: use fallback for random_get_entropy() instead of zero
xtensa: use fallback for random_get_entropy() instead of zero
random: insist on random_get_entropy() existing in order to simplify
random: do not use batches when !crng_ready()
random: use first 128 bits of input as fast init
random: do not pretend to handle premature next security model
random: order timer entropy functions below interrupt functions
random: do not use input pool from hard IRQs
random: help compiler out with fast_mix() by using simpler arguments
siphash: use one source of truth for siphash permutations
random: use symbolic constants for crng_init states
random: avoid initializing twice in credit race
random: move initialization out of reseeding hot path
random: remove ratelimiting for in-kernel unseeded randomness
random: use proper jiffies comparison macro
random: handle latent entropy and command line from random_init()
random: credit architectural init the exact amount
random: use static branch for crng_ready()
random: remove extern from functions in header
random: use proper return types on get_random_{int,long}_wait()
random: make consistent use of buf and len
random: move initialization functions out of hot pages
random: move randomize_page() into mm where it belongs
random: unify batched entropy implementations
random: convert to using fops->read_iter()
random: convert to using fops->write_iter()
random: wire up fops->splice_{read,write}_iter()
random: check for signals after page of pool writes
Revert "random: use static branch for crng_ready()"
crypto: drbg - always seeded with SP800-90B compliant noise source
crypto: drbg - prepare for more fine-grained tracking of seeding state
crypto: drbg - track whether DRBG was seeded with !rng_is_initialized()
crypto: drbg - move dynamic ->reseed_threshold adjustments to __drbg_seed()
crypto: drbg - always try to free Jitter RNG instance
crypto: drbg - make reseeding from get_random_bytes() synchronous
random: avoid checking crng_ready() twice in random_init()
random: mark bootloader randomness code as __init
random: account for arch randomness in bits
powerpc/kasan: Silence KASAN warnings in __get_wchan()
ASoC: nau8822: Add operation for internal PLL off and on
dma-debug: make things less spammy under memory pressure
ASoC: cs42l52: Fix TLV scales for mixer controls
ASoC: cs35l36: Update digital volume TLV
ASoC: cs53l30: Correct number of volume levels on SX controls
ASoC: cs42l52: Correct TLV for Bypass Volume
ASoC: cs42l56: Correct typo in minimum level for SX volume controls
ata: libata-core: fix NULL pointer deref in ata_host_alloc_pinfo()
ASoC: wm8962: Fix suspend while playing music
ASoC: es8328: Fix event generation for deemphasis control
ASoC: wm_adsp: Fix event generation for wm_adsp_fw_put()
scsi: vmw_pvscsi: Expand vcpuHint to 16 bits
scsi: lpfc: Fix port stuck in bypassed state after LIP in PT2PT topology
scsi: lpfc: Allow reduced polling rate for nvme_admin_async_event cmd
completion
scsi: ipr: Fix missing/incorrect resource cleanup in error case
scsi: pmcraid: Fix missing resource cleanup in error case
ALSA: hda/realtek - Add HW8326 support
virtio-mmio: fix missing put_device() when vm_cmdline_parent registration
failed
nfc: nfcmrvl: Fix memory leak in nfcmrvl_play_deferred
ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg
net: ethernet: mtk_eth_soc: fix misuse of mem alloc interface
netdev[napi]_alloc_frag
random: credit cpu and bootloader seeds by default
pNFS: Don't keep retrying if the server replied NFS4ERR_LAYOUTUNAVAILABLE
clocksource: hyper-v: unexport __init-annotated hv_init_clocksource()
i40e: Fix adding ADQ filter to TC0
i40e: Fix calculating the number of queue pairs
i40e: Fix call trace in setup_tx_descriptors
tty: goldfish: Fix free_irq() on remove
misc: atmel-ssc: Fix IRQ check in ssc_probe
mlxsw: spectrum_cnt: Reorder counter pools
net: bgmac: Fix an erroneous kfree() in bgmac_remove()
arm64: ftrace: fix branch range checks
certs/blacklist_hashes.c: fix const confusion in certs blacklist
faddr2line: Fix overlapping text section failures, the sequel
irqchip/gic/realview: Fix refcount leak in realview_gic_of_init
irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions
irqchip/gic-v3: Fix refcount leak in gic_populate_ppi_partitions
i2c: designware: Use standard optional ref clock implementation
comedi: vmk80xx: fix expression for tx buffer size
USB: serial: option: add support for Cinterion MV31 with new baseline
USB: serial: io_ti: add Agilent E5805A support
usb: dwc2: Fix memory leak in dwc2_hcd_init
usb: gadget: lpc32xx_udc: Fix refcount leak in lpc32xx_udc_probe
serial: 8250: Store to lsr_save_flags after lsr read
dm mirror log: round up region bitmap size to BITS_PER_LONG
ext4: fix bug_on ext4_mb_use_inode_pa
ext4: make variable "count" signed
ext4: add reserved GDT blocks check
ALSA: hda/realtek: fix right sounds and mute/micmute LEDs for HP machine
virtio-pci: Remove wrong address verification in vp_del_vqs()
net/sched: act_police: more accurate MTU policing
net: openvswitch: fix leak of nested actions
arm64: kprobes: Use BRK instead of single-step when executing instructions
out-of-line
RISC-V: fix barrier() use in <vdso/processor.h>
riscv: Less inefficient gcc tishift helpers (and export their symbols)
powerpc/mm: Switch obsolete dssall to .long
Linux 5.4.200
UBUNTU: Upstream stable to v5.4.200
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