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Pull networking fixes from Jakub Kicinski:
"Current release - regressions:
- arm64: dts: fsl-ls1028a-kontron-sl28: specify in-band mode for
ENETC
Current release - bugs in new features:
- mptcp: provide rmem[0] limit offset to fix oops
Previous release - regressions:
- IPv6: Set SIT tunnel hard_header_len to zero to fix path MTU
calculations
- lan743x: correctly handle chips with internal PHY
- bpf: Don't rely on GCC __attribute__((optimize)) to disable GCSE
- mlx5e: Fix VXLAN port table synchronization after function reload
Previous release - always broken:
- bpf: Zero-fill re-used per-cpu map element
- fix out-of-order UDP packets when forwarding with UDP GSO fraglists
turned on:
- fix UDP header access on Fast/frag0 UDP GRO
- fix IP header access and skb lookup on Fast/frag0 UDP GRO
- ethtool: netlink: add missing netdev_features_change() call
- net: Update window_clamp if SOCK_RCVBUF is set
- igc: Fix returning wrong statistics
- ch_ktls: fix multiple leaks and corner cases in Chelsio TLS offload
- tunnels: Fix off-by-one in lower MTU bounds for ICMP/ICMPv6 replies
- r8169: disable hw csum for short packets on all chip versions
- vrf: Fix fast path output packet handling with async Netfilter
rules"
* tag 'net-5.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (65 commits)
lan743x: fix use of uninitialized variable
net: udp: fix IP header access and skb lookup on Fast/frag0 UDP GRO
net: udp: fix UDP header access on Fast/frag0 UDP GRO
devlink: Avoid overwriting port attributes of registered port
vrf: Fix fast path output packet handling with async Netfilter rules
cosa: Add missing kfree in error path of cosa_write
net: switch to the kernel.org patchwork instance
ch_ktls: stop the txq if reaches threshold
ch_ktls: tcb update fails sometimes
ch_ktls/cxgb4: handle partial tag alone SKBs
ch_ktls: don't free skb before sending FIN
ch_ktls: packet handling prior to start marker
ch_ktls: Correction in middle record handling
ch_ktls: missing handling of header alone
ch_ktls: Correction in trimmed_len calculation
cxgb4/ch_ktls: creating skbs causes panic
ch_ktls: Update cheksum information
ch_ktls: Correction in finding correct length
cxgb4/ch_ktls: decrypted bit is not enough
net/x25: Fix null-ptr-deref in x25_connect
...
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Pull power management fixes from Rafael Wysocki:
"Make the intel_pstate driver behave as expected when it operates in
the passive mode with HWP enabled and the 'powersave' governor on top
of it"
* tag 'pm-5.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: intel_pstate: Take CPUFREQ_GOV_STRICT_TARGET into account
cpufreq: Add strict_target to struct cpufreq_policy
cpufreq: Introduce CPUFREQ_GOV_STRICT_TARGET
cpufreq: Introduce governor flags
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Pull swiotlb fixes from Konrad Rzeszutek Wilk:
"Two tiny fixes for issues that make drivers under Xen unhappy under
certain conditions"
* 'stable/for-linus-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb:
swiotlb: remove the tbl_dma_addr argument to swiotlb_tbl_map_single
swiotlb: fix "x86: Don't panic if can not alloc buffer for swiotlb"
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Add a new field to be set when the CPUFREQ_GOV_STRICT_TARGET flag is
set for the current governor to struct cpufreq_policy, so that the
drivers needing to check CPUFREQ_GOV_STRICT_TARGET do not have to
access the governor object during every frequency transition.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
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Introduce a new governor flag, CPUFREQ_GOV_STRICT_TARGET, for the
governors that want the target frequency to be set exactly to the
given value without leaving any room for adjustments on the hardware
side and set this flag for the powersave and performance governors.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
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A new cpufreq governor flag will be added subsequently, so replace
the bool dynamic_switching fleid in struct cpufreq_governor with a
flags field and introduce CPUFREQ_GOV_DYNAMIC_SWITCHING to set for
the "dynamic switching" governors instead of it.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
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Pull nfsd fixes from Bruce Fields:
"This is mainly server-to-server copy and fallout from Chuck's 5.10 rpc
refactoring"
* tag 'nfsd-5.10-1' of git://linux-nfs.org/~bfields/linux:
net/sunrpc: fix useless comparison in proc_do_xprt()
net/sunrpc: return 0 on attempt to write to "transports"
NFSD: fix missing refcount in nfsd4_copy by nfsd4_do_async_copy
NFSD: Fix use-after-free warning when doing inter-server copy
NFSD: MKNOD should return NFSERR_BADTYPE instead of NFSERR_INVAL
SUNRPC: Fix general protection fault in trace_rpc_xdr_overflow()
NFSD: NFSv3 PATHCONF Reply is improperly formed
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Pull ext4 fixes and cleanups from Ted Ts'o:
"More fixes and cleanups for the new fast_commit features, but also a
few other miscellaneous bug fixes and a cleanup for the MAINTAINERS
file"
* tag 'ext4_for_linus_cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (28 commits)
jbd2: fix up sparse warnings in checkpoint code
ext4: fix sparse warnings in fast_commit code
ext4: cleanup fast commit mount options
jbd2: don't start fast commit on aborted journal
ext4: make s_mount_flags modifications atomic
ext4: issue fsdev cache flush before starting fast commit
ext4: disable fast commit with data journalling
ext4: fix inode dirty check in case of fast commits
ext4: remove unnecessary fast commit calls from ext4_file_mmap
ext4: mark buf dirty before submitting fast commit buffer
ext4: fix code documentatioon
ext4: dedpulicate the code to wait on inode that's being committed
jbd2: don't read journal->j_commit_sequence without taking a lock
jbd2: don't touch buffer state until it is filled
jbd2: add todo for a fast commit performance optimization
jbd2: don't pass tid to jbd2_fc_end_commit_fallback()
jbd2: don't use state lock during commit path
jbd2: drop jbd2_fc_init documentation
ext4: clean up the JBD2 API that initializes fast commits
jbd2: rename j_maxlen to j_total_len and add jbd2_journal_max_txn_bufs
...
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Pull xfs fixes from Darrick Wong:
- Fix an uninitialized struct problem
- Fix an iomap problem zeroing unwritten EOF blocks
- Fix some clumsy error handling when writeback fails on filesystems
with blocksize < pagesize
- Fix a retry loop not resetting loop variables properly
- Fix scrub flagging rtinherit inodes on a non-rt fs, since the kernel
actually does permit that combination
- Fix excessive page cache flushing when unsharing part of a file
* tag 'xfs-5.10-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: only flush the unshared range in xfs_reflink_unshare
xfs: fix scrub flagging rtinherit even if there is no rt device
xfs: fix missing CoW blocks writeback conversion retry
iomap: clean up writeback state logic on writepage error
iomap: support partial page discard on writeback block mapping failure
xfs: flush new eof page on truncate to avoid post-eof corruption
xfs: set xefi_discard when creating a deferred agfl free log intent item
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Merge procfs splice read fixes from Christoph Hellwig:
"Greg reported a problem due to the fact that Android tests use procfs
files to test splice, which stopped working with the changes for
set_fs() removal.
This series adds read_iter support for seq_file, and uses those for
various proc files using seq_file to restore splice read support"
[ Side note: Christoph initially had a scripted "move everything over"
patch, which looks fine, but I personally would prefer us to actively
discourage splice() on random files. So this does just the minimal
basic core set of proc file op conversions.
For completeness, and in case people care, that script was
sed -i -e 's/\.proc_read\(\s*=\s*\)seq_read/\.proc_read_iter\1seq_read_iter/g'
but I'll wait and see if somebody has a strong argument for using
splice on random small /proc files before I'd run it on the whole
kernel. - Linus ]
* emailed patches from Christoph Hellwig <hch@lst.de>:
proc "seq files": switch to ->read_iter
proc "single files": switch to ->read_iter
proc/stat: switch to ->read_iter
proc/cpuinfo: switch to ->read_iter
proc: wire up generic_file_splice_read for iter ops
seq_file: add seq_read_iter
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Pull io_uring fixes from Jens Axboe:
"A set of fixes for io_uring:
- SQPOLL cancelation fixes
- Two fixes for the io_identity COW
- Cancelation overflow fix (Pavel)
- Drain request cancelation fix (Pavel)
- Link timeout race fix (Pavel)"
* tag 'io_uring-5.10-2020-11-07' of git://git.kernel.dk/linux-block:
io_uring: fix link lookup racing with link timeout
io_uring: use correct pointer for io_uring_show_cred()
io_uring: don't forget to task-cancel drained reqs
io_uring: fix overflowed cancel w/ linked ->files
io_uring: drop req/tctx io_identity separately
io_uring: ensure consistent view of original task ->mm from SQPOLL
io_uring: properly handle SQPOLL request cancelations
io-wq: cancel request if it's asking for files and we don't have them
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Fast commits don't work with data journalling. This patch disables the
fast commit support when data journalling is turned on.
Suggested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20201106035911.1942128-19-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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In jbd2_fc_end_commit_fallback(), we know which tid to commit. There's
no need for caller to pass it.
Suggested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201106035911.1942128-10-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Variables journal->j_fc_off, journal->j_fc_wbuf are accessed during
commit path. Since today we allow only one process to perform a fast
commit, there is no need take state lock before accessing these
variables. This patch removes these locks and adds comments to
describe this.
Suggested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201106035911.1942128-9-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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This patch removes jbd2_fc_init() API and its related functions to
simplify enabling fast commits. With this change, the number of fast
commit blocks to use is solely determined by the JBD2 layer. So, we
move the default value for minimum number of fast commit blocks from
ext4/fast_commit.h to include/linux/jbd2.h. However, whether or not to
use fast commits is determined by the file system. The file system
just sets the fast commit feature using
jbd2_journal_set_features(). JBD2 layer then determines how many
blocks to use for fast commits (based on the value found in the JBD2
superblock).
Note that the JBD2 feature flag of fast commits is just an indication
that there are fast commit blocks present on disk. It doesn't tell
JBD2 layer about the intent of the file system of whether to it wants
to use fast commit or not. That's why, we blindly clear the fast
commit flag in journal_reset() after the recovery is done.
Suggested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201106035911.1942128-7-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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The on-disk superblock field sb->s_maxlen represents the total size of
the journal including the fast commit area and is no more the max
number of blocks available for a transaction. The maximum number of
blocks available to a transaction is reduced by the number of fast
commit blocks. So, this patch renames j_maxlen to j_total_len to
better represent its intent. Also, it adds a function to calculate max
number of bufs available for a transaction.
Suggested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201106035911.1942128-6-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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If inode gets evicted due to memory pressure, we have to remove it
from the fast commit list. However, that inode may have uncommitted
changes that fast commits will lose. So, just fall back to full
commits in this case. Also, rename the fast commit ineligiblity reason
from "EXT4_FC_REASON_MEM" to "EXT4_FC_REASON_MEM_NOMEM" for better
expression.
Suggested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201106035911.1942128-3-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Alexei Starovoitov says:
====================
pull-request: bpf 2020-11-06
1) Pre-allocated per-cpu hashmap needs to zero-fill reused element, from David.
2) Tighten bpf_lsm function check, from KP.
3) Fix bpftool attaching to flow dissector, from Lorenz.
4) Use -fno-gcse for the whole kernel/bpf/core.c instead of function attribute, from Ard.
* git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf: Update verification logic for LSM programs
bpf: Zero-fill re-used per-cpu map element
bpf: BPF_PRELOAD depends on BPF_SYSCALL
tools/bpftool: Fix attaching flow dissector
libbpf: Fix possible use after free in xsk_socket__delete
libbpf: Fix null dereference in xsk_socket__delete
libbpf, hashmap: Fix undefined behavior in hash_bits
bpf: Don't rely on GCC __attribute__((optimize)) to disable GCSE
tools, bpftool: Remove two unused variables.
tools, bpftool: Avoid array index warnings.
xsk: Fix possible memory leak at socket close
bpf: Add struct bpf_redir_neigh forward declaration to BPF helper defs
samples/bpf: Set rlimit for memlock to infinity in all samples
bpf: Fix -Wshadow warnings
selftest/bpf: Fix profiler test using CO-RE relocation for enums
====================
Link: https://lore.kernel.org/r/20201106221759.24143-1-alexei.starovoitov@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Pull sound fixes from Takashi Iwai:
"Quite a bunch of small fixes that have been gathered since the last
pull, including changes like below:
- HD-audio runtime PM fixes and refactoring
- HD-audio and USB-audio quirks
- SOF warning fix
- Various ASoC device-specific fixes for Intel, Qualcomm, etc"
* tag 'sound-5.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (26 commits)
ALSA: usb-audio: Add implicit feedback quirk for Qu-16
ASoC: mchp-spdiftx: Do not set Validity bit(s)
ALSA: usb-audio: Add implicit feedback quirk for MODX
ALSA: usb-audio: add usb vendor id as DSD-capable for Khadas devices
ALSA: hda/realtek - Enable headphone for ASUS TM420
ALSA: hda: prevent undefined shift in snd_hdac_ext_bus_get_link()
ASoC: qcom: lpass-cpu: Fix clock disable failure
ASoC: qcom: lpass-sc7180: Fix MI2S bitwidth field bit positions
ASoC: codecs: wcd9335: Set digital gain range correctly
ASoC: codecs: wcd934x: Set digital gain range correctly
ALSA: hda: Reinstate runtime_allow() for all hda controllers
ALSA: hda: Separate runtime and system suspend
ALSA: hda: Refactor codec PM to use direct-complete optimization
ALSA: hda/realtek - Fixed HP headset Mic can't be detected
ALSA: usb-audio: Add implicit feedback quirk for Zoom UAC-2
ALSA: make snd_kcontrol_new name a normal string
ALSA: fix kernel-doc markups
ASoC: SOF: loader: handle all SOF_IPC_EXT types
ASoC: cs42l51: manage mclk shutdown delay
ASoC: qcom: sdm845: set driver name correctly
...
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Pull drm fixes from Dave Airlie:
"It's Friday here so that means another installment of drm fixes to
distract you from the counting process.
Changes all over the place, the amdgpu changes contain support for a
new GPU that is close to current one already in the tree (Green
Sardine) so it shouldn't have much side effects.
Otherwise imx has a few cleanup patches and fixes, amdgpu and i915
have around the usual smattering of fixes, fonts got constified, and
vc4/panfrost has some minor fixes. All in all a fairly regular rc3.
We have an outstanding nouveau regression, but the author is looking
into the fix, so should be here next week.
I now return you to counting.
fonts:
- constify font structures.
MAINTAINERS:
- Fix path for amdgpu power management
amdgpu:
- Add support for more navi1x SKUs
- Fix for suspend on CI dGPUs
- VCN DPG fix for Picasso
- Sienna Cichlid fixes
- Polaris DPM fix
- Add support for Green Sardine
amdkfd:
- Fix an allocation failure check
i915:
- Fix set domain's cache coherency
- Fixes around breadcrumbs
- Fix encoder lookup during PSR atomic
- Hold onto an explicit ref to i915_vma_work.pinned
- gvt: HWSP reset handling fix
- gvt: flush workaround
- gvt: vGPU context pin/unpin
- gvt: mmio cmd access fix for bxt/apl
imx:
- drop unused functions and callbacks
- reuse imx_drm_encoder_parse_of
- spinlock rework
- memory leak fix
- minor cleanups
vc4:
- resource cleanup fix
panfrost:
- madvise/shrinker fix"
* tag 'drm-fixes-2020-11-06-1' of git://anongit.freedesktop.org/drm/drm: (55 commits)
drm/amdgpu/display: remove DRM_AMD_DC_GREEN_SARDINE
drm/amd/display: Add green_sardine support to DM
drm/amd/display: Add green_sardine support to DC
drm/amdgpu: enable vcn support for green_sardine (v2)
drm/amdgpu: enable green_sardine_asd.bin loading (v2)
drm/amdgpu/sdma: add sdma engine support for green_sardine (v2)
drm/amdgpu: add gfx support for green_sardine (v2)
drm/amdgpu: add soc15 common ip block support for green_sardine (v3)
drm/amdgpu: add green_sardine support for gpu_info and ip block setting (v2)
drm/amdgpu: add Green_Sardine APU flag
drm/amdgpu: resolved ASD loading issue on sienna
amdkfd: Check kvmalloc return before memcpy
drm/amdgpu: update golden setting for sienna_cichlid
amd/amdgpu: Disable VCN DPG mode for Picasso
drm/amdgpu/swsmu: remove duplicate call to smu_set_default_dpm_table
drm/i915: Hold onto an explicit ref to i915_vma_work.pinned
drm/i915/gt: Flush xcs before tgl breadcrumbs
drm/i915/gt: Expose more parameters for emitting writes into the ring
drm/i915: Fix encoder lookup during PSR atomic check
drm/i915/gt: Use the local HWSP offset during submission
...
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Pull networking fixes from Jakub Kicinski:
"Networking fixes for 5.10-rc3, including fixes from wireless, can, and
netfilter subtrees.
Current merge window - bugs in new features:
- can: isotp: isotp_rcv_cf(): enable RX timeout handling in
listen-only mode
Previous releases - regressions:
- mac80211:
- don't require VHT elements for HE on 2.4 GHz
- fix regression where EAPOL frames were sent in plaintext
- netfilter:
- ipset: Update byte and packet counters regardless of whether
they match
- ip_tunnel: fix over-mtu packet send by allowing fragmenting even if
inner packet has IP_DF (don't fragment) set in its header (when
TUNNEL_DONT_FRAGMENT flag is not set on the tunnel dev)
- net: fec: fix MDIO probing for some FEC hardware blocks
- ip6_tunnel: set inner ipproto before ip6_tnl_encap to un-break gso
support
- sctp: Fix COMM_LOST/CANT_STR_ASSOC err reporting on big-endian
platforms, sparse-related fix used the wrong integer size
Previous releases - always broken:
- netfilter: use actual socket sk rather than skb sk when routing
harder
- r8169: work around short packet hw bug on RTL8125 by padding frames
- net: ethernet: ti: cpsw: disable PTPv1 hw timestamping
advertisement, the hardware does not support it
- chelsio/chtls: fix always leaking ctrl_skb and another leak caused
by a race condition
- fix drivers incorrectly writing into skbs on TX:
- cadence: force nonlinear buffers to be cloned
- gianfar: Account for Tx PTP timestamp in the skb headroom
- gianfar: Replace skb_realloc_headroom with skb_cow_head for PTP
- can: flexcan:
- remove FLEXCAN_QUIRK_DISABLE_MECR quirk for LS1021A
- add ECC initialization for VF610 and LX2160A
- flexcan_remove(): disable wakeup completely
- can: fix packet echo functionality:
- peak_canfd: fix echo management when loopback is on
- make sure skbs are not freed in IRQ context in case they need to
be dropped
- always clone the skbs to make sure they have a reference on the
socket, and prevent it from disappearing
- fix real payload length return value for RTR frames
- can: j1939: return failure on bind if netdev is down, rather than
waiting indefinitely
Misc:
- IPv6: reply ICMP error if the first fragment don't include all
headers to improve compliance with RFC 8200"
* tag 'net-5.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (66 commits)
ionic: check port ptr before use
r8169: work around short packet hw bug on RTL8125
net: openvswitch: silence suspicious RCU usage warning
chelsio/chtls: fix always leaking ctrl_skb
chelsio/chtls: fix memory leaks caused by a race
can: flexcan: flexcan_remove(): disable wakeup completely
can: flexcan: add ECC initialization for VF610
can: flexcan: add ECC initialization for LX2160A
can: flexcan: remove FLEXCAN_QUIRK_DISABLE_MECR quirk for LS1021A
can: mcp251xfd: remove unneeded break
can: mcp251xfd: mcp251xfd_regmap_nocrc_read(): fix semicolon.cocci warnings
can: mcp251xfd: mcp251xfd_regmap_crc_read(): increase severity of CRC read error messages
can: peak_canfd: pucan_handle_can_rx(): fix echo management when loopback is on
can: peak_usb: peak_usb_get_ts_time(): fix timestamp wrapping
can: peak_usb: add range checking in decode operations
can: xilinx_can: handle failure cases of pm_runtime_get_sync
can: ti_hecc: ti_hecc_probe(): add missed clk_disable_unprepare() in error path
can: isotp: padlen(): make const array static, makes object smaller
can: isotp: isotp_rcv_cf(): enable RX timeout handling in listen-only mode
can: isotp: Explain PDU in CAN_ISOTP help text
...
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iov_iter based variant for reading a seq_file. seq_read is
reimplemented on top of the iter variant.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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drm/imx: fixes and cleanups
Remove unused functions and empty callbacks, let the dw_hdmi-imx driver
reuse imx_drm_encoder_parse_of() instead of reimplementing it, replace
the custom register spinlock with the regmap default spinlock and remove
redundant tracking of enabled state in imx-tve, drop the explicit
drm_mode_config_cleanup() call in imx-drm-core, reduce the scope of edid
length variables that are not otherwise used in imx-ldb and
parallel-display, fix a memory leak in the parallel-display bind error
path, and drop an extraneous type qualifier from of_get_tve_mode().
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/7e4af582027bbec269364b95f6978d061b48271a.camel@pengutronix.de
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The TP_fast_assign() section is careful enough not to dereference
xdr->rqst if it's NULL. The TP_STRUCT__entry section is not.
Fixes: 5582863f450c ("SUNRPC: Add XDR overflow trace event")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Pull Kunit fixes from Shuah Khan:
"Several kunit_tool and documentation fixes"
* tag 'linux-kselftest-kunit-fixes-5.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kunit: tools: fix kunit_tool tests for parsing test plans
Documentation: kunit: Update Kconfig parts for KUNIT's module support
kunit: test: fix remaining kernel-doc warnings
kunit: Don't fail test suites if one of them is empty
kunit: Fix kunit.py --raw_output option
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Pull power management fixes from Rafael Wysocki:
"These fix the device links support in runtime PM, correct mistakes in
the cpuidle documentation, fix the handling of policy limits changes
in the schedutil cpufreq governor, fix assorted issues in the OPP
(operating performance points) framework and make one janitorial
change.
Specifics:
- Unify the handling of managed and stateless device links in the
runtime PM framework and prevent runtime PM references to devices
from being leaked after device link removal (Rafael Wysocki).
- Fix two mistakes in the cpuidle documentation (Julia Lawall).
- Prevent the schedutil cpufreq governor from missing policy limits
updates in some cases (Viresh Kumar).
- Prevent static OPPs from being dropped by mistake (Viresh Kumar).
- Prevent helper function in the OPP framework from returning
prematurely (Viresh Kumar).
- Prevent opp_table_lock from being held too long during removal of
OPP tables with no more active references (Viresh Kumar).
- Drop redundant semicolon from the Intel RAPL power capping driver
(Tom Rix)"
* tag 'pm-5.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: runtime: Resume the device earlier in __device_release_driver()
PM: runtime: Drop pm_runtime_clean_up_links()
PM: runtime: Drop runtime PM references to supplier on link removal
powercap/intel_rapl: remove unneeded semicolon
Documentation: PM: cpuidle: correct path name
Documentation: PM: cpuidle: correct typo
cpufreq: schedutil: Don't skip freq update if need_freq_update is set
opp: Reduce the size of critical section in _opp_table_kref_release()
opp: Fix early exit from dev_pm_opp_register_set_opp_helper()
opp: Don't always remove static OPPs in _of_add_opp_table_v1()
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Track if a given task io_uring context contains SQPOLL instances, so we
can iterate those for cancelation (and request counts). This ensures that
we properly wait on SQPOLL contexts, and find everything that needs
canceling.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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iomap writeback mapping failure only calls into ->discard_page() if
the current page has not been added to the ioend. Accordingly, the
XFS callback assumes a full page discard and invalidation. This is
problematic for sub-page block size filesystems where some portion
of a page might have been mapped successfully before a failure to
map a delalloc block occurs. ->discard_page() is not called in that
error scenario and the bio is explicitly failed by iomap via the
error return from ->prepare_ioend(). As a result, the filesystem
leaks delalloc blocks and corrupts the filesystem block counters.
Since XFS is the only user of ->discard_page(), tweak the semantics
to invoke the callback unconditionally on mapping errors and provide
the file offset that failed to map. Update xfs_discard_page() to
discard the corresponding portion of the file and pass the range
along to iomap_invalidatepage(). The latter already properly handles
both full and sub-page scenarios by not changing any iomap or page
state on sub-page invalidations.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
|
|
All user space generated SKBs are owned by a socket (unless injected into the
key via AF_PACKET). If a socket is closed, all associated skbs will be cleaned
up.
This leads to a problem when a CAN driver calls can_put_echo_skb() on a
unshared SKB. If the socket is closed prior to the TX complete handler,
can_get_echo_skb() and the subsequent delivering of the echo SKB to all
registered callbacks, a SKB with a refcount of 0 is delivered.
To avoid the problem, in can_get_echo_skb() the original SKB is now always
cloned, regardless of shared SKB or not. If the process exists it can now
safely discard its SKBs, without disturbing the delivery of the echo SKB.
The problem shows up in the j1939 stack, when it clones the incoming skb, which
detects the already 0 refcount.
We can easily reproduce this with following example:
testj1939 -B -r can0: &
cansend can0 1823ff40#0123
WARNING: CPU: 0 PID: 293 at lib/refcount.c:25 refcount_warn_saturate+0x108/0x174
refcount_t: addition on 0; use-after-free.
Modules linked in: coda_vpu imx_vdoa videobuf2_vmalloc dw_hdmi_ahb_audio vcan
CPU: 0 PID: 293 Comm: cansend Not tainted 5.5.0-rc6-00376-g9e20dcb7040d #1
Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
Backtrace:
[<c010f570>] (dump_backtrace) from [<c010f90c>] (show_stack+0x20/0x24)
[<c010f8ec>] (show_stack) from [<c0c3e1a4>] (dump_stack+0x8c/0xa0)
[<c0c3e118>] (dump_stack) from [<c0127fec>] (__warn+0xe0/0x108)
[<c0127f0c>] (__warn) from [<c01283c8>] (warn_slowpath_fmt+0xa8/0xcc)
[<c0128324>] (warn_slowpath_fmt) from [<c0539c0c>] (refcount_warn_saturate+0x108/0x174)
[<c0539b04>] (refcount_warn_saturate) from [<c0ad2cac>] (j1939_can_recv+0x20c/0x210)
[<c0ad2aa0>] (j1939_can_recv) from [<c0ac9dc8>] (can_rcv_filter+0xb4/0x268)
[<c0ac9d14>] (can_rcv_filter) from [<c0aca2cc>] (can_receive+0xb0/0xe4)
[<c0aca21c>] (can_receive) from [<c0aca348>] (can_rcv+0x48/0x98)
[<c0aca300>] (can_rcv) from [<c09b1fdc>] (__netif_receive_skb_one_core+0x64/0x88)
[<c09b1f78>] (__netif_receive_skb_one_core) from [<c09b2070>] (__netif_receive_skb+0x38/0x94)
[<c09b2038>] (__netif_receive_skb) from [<c09b2130>] (netif_receive_skb_internal+0x64/0xf8)
[<c09b20cc>] (netif_receive_skb_internal) from [<c09b21f8>] (netif_receive_skb+0x34/0x19c)
[<c09b21c4>] (netif_receive_skb) from [<c0791278>] (can_rx_offload_napi_poll+0x58/0xb4)
Fixes: 0ae89beb283a ("can: add destructor for self generated skbs")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: http://lore.kernel.org/r/20200124132656.22156-1-o.rempel@pengutronix.de
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Pull documentation build warning fixes from Jonathan Corbet:
"This contains a series of warning fixes from Mauro; once applied, the
number of warnings from the once-noisy docs build process is nearly
zero.
Getting to this point has required a lot of work; once there,
hopefully we can keep things that way.
I have packaged this as a separate pull because it does a fair amount
of reaching outside of Documentation/. The changes are all in comments
and in code placement. It's all been in linux-next since last week"
* tag 'docs-5.10-warnings' of git://git.lwn.net/linux: (24 commits)
docs: SafeSetID: fix a warning
amdgpu: fix a few kernel-doc markup issues
selftests: kselftest_harness.h: fix kernel-doc markups
drm: amdgpu_dm: fix a typo
gpu: docs: amdgpu.rst: get rid of wrong kernel-doc markups
drm: amdgpu: kernel-doc: update some adev parameters
docs: fs: api-summary.rst: get rid of kernel-doc include
IB/srpt: docs: add a description for cq_size member
locking/refcount: move kernel-doc markups to the proper place
docs: lockdep-design: fix some warning issues
MAINTAINERS: fix broken doc refs due to yaml conversion
ice: docs fix a devlink info that broke a table
crypto: sun8x-ce*: update entries to its documentation
net: phy: remove kernel-doc duplication
mm: pagemap.h: fix two kernel-doc markups
blk-mq: docs: add kernel-doc description for a new struct member
docs: userspace-api: add iommu.rst to the index file
docs: hwmon: mp2975.rst: address some html build warnings
docs: net: statistics.rst: remove a duplicated kernel-doc
docs: kasan.rst: add two missing blank lines
...
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The purpose of io_remap_pfn_range() is to map IO memory, such as a
memory mapped IO exposed through a PCI BAR. IO devices do not
understand encryption, so this memory must always be decrypted.
Automatically call pgprot_decrypted() as part of the generic
implementation.
This fixes a bug where enabling AMD SME causes subsystems, such as RDMA,
using io_remap_pfn_range() to expose BAR pages to user space to fail.
The CPU will encrypt access to those BAR pages instead of passing
unencrypted IO directly to the device.
Places not mapping IO should use remap_pfn_range().
Fixes: aca20d546214 ("x86/mm: Add support to make use of Secure Memory Encryption")
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: "Dave Young" <dyoung@redhat.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Larry Woodman <lwoodman@redhat.com>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Toshimitsu Kani <toshi.kani@hpe.com>
Cc: <stable@vger.kernel.org>
Link: https://lkml.kernel.org/r/0-v1-025d64bdf6c4+e-amd_sme_fix_jgg@nvidia.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Johannes Berg says:
====================
A couple of fixes, for
* HE on 2.4 GHz
* a few issues syzbot found, but we have many more reports :-(
* a regression in nl80211-transported EAPOL frames which had
affected a number of users, from Mathy
* kernel-doc markings in mac80211, from Mauro
* a format argument in reg.c, from Ye Bin
====================
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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After commit d12544fb2aa9 ("PM: runtime: Remove link state checks in
rpm_get/put_supplier()") nothing prevents the consumer device's
runtime PM from acquiring additional references to the supplier
device after pm_runtime_clean_up_links() has run (or even while it
is running), so calling this function from __device_release_driver()
may be pointless (or even harmful).
Moreover, it ignores stateless device links, so the runtime PM
handling of managed and stateless device links is inconsistent
because of it, so better get rid of it entirely.
Fixes: d12544fb2aa9 ("PM: runtime: Remove link state checks in rpm_get/put_supplier()")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: 5.1+ <stable@vger.kernel.org> # 5.1+
Tested-by: Xiang Chen <chenxiang66@hisilicon.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
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While removing a device link, drop the supplier device's runtime PM
usage counter as many times as needed to drop all of the runtime PM
references to it from the consumer in addition to dropping the
consumer's link count.
Fixes: baa8809f6097 ("PM / runtime: Optimize the use of device links")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: 5.1+ <stable@vger.kernel.org> # 5.1+
Tested-by: Xiang Chen <chenxiang66@hisilicon.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The tbl_dma_addr argument is used to check the DMA boundary for the
allocations, and thus needs to be a dma_addr_t. swiotlb-xen instead
passed a physical address, which could lead to incorrect results for
strange offsets. Fix this by removing the parameter entirely and hard
code the DMA address for io_tlb_start instead.
Fixes: 91ffe4ad534a ("swiotlb-xen: introduce phys_to_dma/dma_to_phys translations")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
|
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Pull timer fixes from Thomas Gleixner:
"A few fixes for timers/timekeeping:
- Prevent undefined behaviour in the timespec64_to_ns() conversion
which is used for converting user supplied time input to
nanoseconds. It lacked overflow protection.
- Mark sched_clock_read_begin/retry() to prevent recursion in the
tracer
- Remove unused debug functions in the hrtimer and timerlist code"
* tag 'timers-urgent-2020-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
time: Prevent undefined behaviour in timespec64_to_ns()
timers: Remove unused inline funtion debug_timer_free()
hrtimer: Remove unused inline function debug_hrtimer_free()
time/sched_clock: Mark sched_clock_read_begin/retry() as notrace
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Pull char/misc fixes/removals from Greg KH:
"Here's some small fixes for 5.10-rc2 and a big driver removal.
The fixes are for some reported issues in the interconnect and
coresight drivers, nothing major.
The "big" driver removal is the MIC drivers have been asked to be
removed as the hardware never shipped and Intel no longer wants to
maintain something that no one can use. This is welcomed by many as
the DMA usage of these drivers was "interesting" and the security
people were starting to question some issues that were starting to be
found in the codebase.
Note, one of the subsystems for this driver, the "VOP" code, will
probably come back in future kernel versions as it was looking to
potentially solve some PCIe virtualization issues that a number of
other vendors were wanting to solve. But as-is, this codebase didn't
work for anyone else so no actual functionality is being removed.
All of these have been in linux-next with no reported issues"
* tag 'char-misc-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
coresight: cti: Initialize dynamic sysfs attributes
coresight: Fix uninitialised pointer bug in etm_setup_aux()
coresight: add module license
misc: mic: remove the MIC drivers
interconnect: qcom: use icc_sync state for sm8[12]50
interconnect: qcom: Ensure that the floor bandwidth value is enforced
interconnect: qcom: sc7180: Init BCMs before creating the nodes
interconnect: qcom: sdm845: Init BCMs before creating the nodes
interconnect: Aggregate before setting initial bandwidth
interconnect: qcom: sdm845: Enable keepalive for the MM1 BCM
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Pull driver core and documentation fixes from Greg KH:
"Here is one tiny debugfs change to fix up an API where the last user
was successfully fixed up in 5.10-rc1 (so it couldn't be merged
earlier), and a much larger Documentation/ABI/ update to the files so
they can be automatically parsed by our tools.
The Documentation/ABI/ updates are just formatting issues, small ones
to bring the files into parsable format, and have been acked by
numerous subsystem maintainers and the documentation maintainer. I
figured it was good to get this into 5.10-rc2 to help wih the merge
issues that would arise if these were to stick in linux-next until
5.11-rc1.
The debugfs change has been in linux-next for a long time, and the
Documentation updates only for the last linux-next release"
* tag 'driver-core-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (40 commits)
scripts: get_abi.pl: assume ReST format by default
docs: ABI: sysfs-class-led-trigger-pattern: remove hw_pattern duplication
docs: ABI: sysfs-class-backlight: unify ABI documentation
docs: ABI: sysfs-c2port: remove a duplicated entry
docs: ABI: sysfs-class-power: unify duplicated properties
docs: ABI: unify /sys/class/leds/<led>/brightness documentation
docs: ABI: stable: remove a duplicated documentation
docs: ABI: change read/write attributes
docs: ABI: cleanup several ABI documents
docs: ABI: sysfs-bus-nvdimm: use the right format for ABI
docs: ABI: vdso: use the right format for ABI
docs: ABI: fix syntax to be parsed using ReST notation
docs: ABI: convert testing/configfs-acpi to ReST
docs: Kconfig/Makefile: add a check for broken ABI files
docs: abi-testing.rst: enable --rst-sources when building docs
docs: ABI: don't escape ReST-incompatible chars from obsolete and removed
docs: ABI: create a 2-depth index for ABI
docs: ABI: make it parse ABI/stable as ReST-compatible files
docs: ABI: sysfs-uevent: make it compatible with ReST output
docs: ABI: testing: make the files compatible with ReST output
...
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|
Pull USB driver fixes from Greg KH:
"Here are a number of small bugfixes for reported issues in some USB
drivers. They include:
- typec bugfixes
- xhci bugfixes and lockdep warning fixes
- cdc-acm driver regression fix
- kernel doc fixes
- cdns3 driver bugfixes for a bunch of reported issues
- other tiny USB driver fixes
All have been in linux-next with no reported issues"
* tag 'usb-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: cdns3: gadget: own the lock wrongly at the suspend routine
usb: cdns3: Fix on-chip memory overflow issue
usb: cdns3: gadget: suspicious implicit sign extension
xhci: Don't create stream debugfs files with spinlock held.
usb: xhci: Workaround for S3 issue on AMD SNPS 3.0 xHC
xhci: Fix sizeof() mismatch
usb: typec: stusb160x: fix signedness comparison issue with enum variables
usb: typec: add missing MODULE_DEVICE_TABLE() to stusb160x
USB: apple-mfi-fastcharge: don't probe unhandled devices
usbcore: Check both id_table and match() when both available
usb: host: ehci-tegra: Fix error handling in tegra_ehci_probe()
usb: typec: stusb160x: fix an IS_ERR() vs NULL check in probe
usb: typec: tcpm: reset hard_reset_count for any disconnect
usb: cdc-acm: fix cooldown mechanism
usb: host: fsl-mph-dr-of: check return of dma_set_mask()
usb: fix kernel-doc markups
usb: typec: stusb160x: fix some signedness bugs
usb: cdns3: Variable 'length' set but not used
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Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for net:
1) Incorrect netlink report logic in flowtable and genID.
2) Add a selftest to check that wireguard passes the right sk
to ip_route_me_harder, from Jason A. Donenfeld.
3) Pass the actual sk to ip_route_me_harder(), also from Jason.
4) Missing expression validation of updates via nft --check.
5) Update byte and packet counters regardless of whether they
match, from Stefano Brivio.
====================
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Pull vhost fixes from Michael Tsirkin:
"Fixes all over the place.
A new UAPI is borderline: can also be considered a new feature but
also seems to be the only way we could come up with to fix addressing
for userspace - and it seems important to switch to it now before
userspace making assumptions about addressing ability of devices is
set in stone"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vdpasim: allow to assign a MAC address
vdpasim: fix MAC address configuration
vdpa: handle irq bypass register failure case
vdpa_sim: Fix DMA mask
Revert "vhost-vdpa: fix page pinning leakage in error path"
vdpa/mlx5: Fix error return in map_direct_mr()
vhost_vdpa: Return -EFAULT if copy_from_user() fails
vdpa_sim: implement get_iova_range()
vhost: vdpa: report iova range
vdpa: introduce config op to get valid iova range
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Pull more flexible-array member conversions from Gustavo A. R. Silva:
"Replace zero-length arrays with flexible-array members"
* tag 'flexible-array-conversions-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
printk: ringbuffer: Replace zero-length array with flexible-array member
net/smc: Replace zero-length array with flexible-array member
net/mlx5: Replace zero-length array with flexible-array member
mei: hw: Replace zero-length array with flexible-array member
gve: Replace zero-length array with flexible-array member
Bluetooth: btintel: Replace zero-length array with flexible-array member
scsi: target: tcmu: Replace zero-length array with flexible-array member
ima: Replace zero-length array with flexible-array member
enetc: Replace zero-length array with flexible-array member
fs: Replace zero-length array with flexible-array member
Bluetooth: Replace zero-length array with flexible-array member
params: Replace zero-length array with flexible-array member
tracepoint: Replace zero-length array with flexible-array member
platform/chrome: cros_ec_proto: Replace zero-length array with flexible-array member
platform/chrome: cros_ec_commands: Replace zero-length array with flexible-array member
mailbox: zynqmp-ipi-message: Replace zero-length array with flexible-array member
dmaengine: ti-cppi5: Replace zero-length array with flexible-array member
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|
Based on RFC7112, Section 6:
IANA has added the following "Type 4 - Parameter Problem" message to
the "Internet Control Message Protocol version 6 (ICMPv6) Parameters"
registry:
CODE NAME/DESCRIPTION
3 IPv6 First Fragment has incomplete IPv6 Header Chain
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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|
There is a regular need in the kernel to provide a way to declare having a
dynamically sized set of trailing elements in a structure. Kernel code should
always use “flexible array members”[1] for these cases. The older style of
one-element or zero-length arrays should no longer be used[2].
[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.9/process/deprecated.html#zero-length-and-one-element-arrays
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
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|
Pull arm64 fixes from Will Deacon:
"The diffstat is a bit spread out thanks to an invasive CPU erratum
workaround which missed the merge window and also a bunch of fixes to
the recently added MTE selftests.
- Fixes to MTE kselftests
- Fix return code from KVM Spectre-v2 hypercall
- Build fixes for ld.lld and Clang's infamous integrated assembler
- Ensure RCU is up and running before we use printk()
- Workaround for Cortex-A77 erratum 1508412
- Fix linker warnings from unexpected ELF sections
- Ensure PE/COFF sections are 64k aligned"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Change .weak to SYM_FUNC_START_WEAK_PI for arch/arm64/lib/mem*.S
arm64/smp: Move rcu_cpu_starting() earlier
arm64: Add workaround for Arm Cortex-A77 erratum 1508412
arm64: Add part number for Arm Cortex-A77
arm64: mte: Document that user PSTATE.TCO is ignored by kernel uaccess
module: use hidden visibility for weak symbol references
arm64: efi: increase EFI PE/COFF header padding to 64 KB
arm64: vmlinux.lds: account for spurious empty .igot.plt sections
kselftest/arm64: Fix check_user_mem test
kselftest/arm64: Fix check_ksm_options test
kselftest/arm64: Fix check_mmap_options test
kselftest/arm64: Fix check_child_memory test
kselftest/arm64: Fix check_tags_inclusion test
kselftest/arm64: Fix check_buffer_fill test
arm64: avoid -Woverride-init warning
KVM: arm64: ARM_SMCCC_ARCH_WORKAROUND_1 doesn't return SMCCC_RET_NOT_REQUIRED
arm64: vdso32: Allow ld.lld to properly link the VDSO
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Pull asm-generic fix from Arnd Bergmann:
"One small bugfix, fixing a build regression for RISC-V"
* tag 'asm-generic-fixes-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
asm-generic: mark __{get,put}_user_fn as __always_inline
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Pull power management fixes from Rafael Wysocki:
"These fix a few issues related to running intel_pstate in the passive
mode with HWP enabled, correct the handling of the max_cstate module
parameter in intel_idle and make a few janitorial changes.
Specifics:
- Modify Kconfig to prevent configuring either the "conservative" or
the "ondemand" governor as the default cpufreq governor if
intel_pstate is selected, in which case "schedutil" is the default
choice for the default governor setting (Rafael Wysocki).
- Modify the cpufreq core, intel_pstate and the schedutil governor to
avoid missing updates of the HWP max limit when intel_pstate
operates in the passive mode with HWP enabled (Rafael Wysocki).
- Fix max_cstate module parameter handling in intel_idle for
processor models with C-state tables coming from ACPI (Chen Yu).
- Clean up assorted pieces of power management code (Jackie Zamow,
Tom Rix, Zhang Qilong)"
* tag 'pm-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: schedutil: Always call driver if CPUFREQ_NEED_UPDATE_LIMITS is set
cpufreq: Introduce cpufreq_driver_test_flags()
cpufreq: speedstep: remove unneeded semicolon
PM: sleep: fix typo in kernel/power/process.c
intel_idle: Fix max_cstate for processor models without C-state tables
cpufreq: intel_pstate: Avoid missing HWP max updates in passive mode
cpufreq: Introduce CPUFREQ_NEED_UPDATE_LIMITS driver flag
cpufreq: Avoid configuring old governors as default with intel_pstate
cpufreq: e_powersaver: remove unreachable break
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Pull drm fixes from Dave Airlie:
"A busier rc2 than normal, have larger sets of fixes for amdgpu +
nouveau, along with some i915, docs, core, panel, sun4i, v3d, vc4
fixes.
Nothing spooky though or pumpkin related.
docs:
- kernel doc fixes
core:
- fix shmem helpers dma-buf mmap bug
amdgpu:
- Add new navi1x PCI ID
- GPUVM reserved area fixes
- Misc display fixes
- Fix bad interactions between display code and CONFIG_KGDB
- Fixes for SMU manual fan control and i2c
nouveau:
- endian regression fix for old gpus
- buffer object refcount fix
- uapi start/end alignment fix
- display notifier fix
- display clock checking fixes
i915:
- Fix max memory region size calculation
- Restore ILK-M RPS support, restoring performance
- Reject 90/270 degreerotated initial fbs
panel:
- mantix reset fixes
sun4i:
- scalar fix
vc4:
- hdmi audio fixes
v3d:
- fix double free"
* tag 'drm-fixes-2020-10-30-1' of git://anongit.freedesktop.org/drm/drm: (42 commits)
drm/nouveau/kms/nv50-: Fix clock checking algorithm in nv50_dp_mode_valid()
drm/nouveau/kms/nv50-: Get rid of bogus nouveau_conn_mode_valid()
drm/nouveau/device: fix changing endianess code to work on older GPUs
drm/nouveau/gem: fix "refcount_t: underflow; use-after-free"
drm/nouveau/kms/nv50-: Program notifier offset before requesting disp caps
drm/nouveau/nouveau: fix the start/end range for migration
drm/i915: Reject 90/270 degree rotated initial fbs
drm/i915: Restore ILK-M RPS support
drm/i915/region: fix max size calculation
drm/vc4: Rework the structure conversion functions
drm/vc4: hdmi: Add a name to the codec DAI component
drm/shme-helpers: Fix dma_buf_mmap forwarding bug
drm/vc4: hdmi: Avoid sleeping in atomic context
drm/amdgpu/pm: fix the fan speed in fan1_input in manual mode for navi1x
drm/amd/pm: fix the wrong fan speed in fan1_input
drm/amdgpu/swsmu: drop smu i2c bus on navi1x
drm/vc4: drv: Add error handding for bind
drm: drm_print.h: fix kernel-doc markups
drm: kernel-doc: drm_dp_helper.h: fix a typo
drm: kernel-doc: add description for a new function parameter
...
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If userspace does not include the trailing end of batch message, then
nfnetlink aborts the transaction. This allows to check that ruleset
updates trigger no errors.
After this patch, invoking this command from the prerouting chain:
# nft -c add rule x y fib saddr . oif type local
fails since oif is not supported there.
This patch fixes the lack of rule validation from the abort/check path
to catch configuration errors such as the one above.
Fixes: a654de8fdc18 ("netfilter: nf_tables: fix chain dependency validation")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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If netfilter changes the packet mark when mangling, the packet is
rerouted using the route_me_harder set of functions. Prior to this
commit, there's one big difference between route_me_harder and the
ordinary initial routing functions, described in the comment above
__ip_queue_xmit():
/* Note: skb->sk can be different from sk, in case of tunnels */
int __ip_queue_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
That function goes on to correctly make use of sk->sk_bound_dev_if,
rather than skb->sk->sk_bound_dev_if. And indeed the comment is true: a
tunnel will receive a packet in ndo_start_xmit with an initial skb->sk.
It will make some transformations to that packet, and then it will send
the encapsulated packet out of a *new* socket. That new socket will
basically always have a different sk_bound_dev_if (otherwise there'd be
a routing loop). So for the purposes of routing the encapsulated packet,
the routing information as it pertains to the socket should come from
that socket's sk, rather than the packet's original skb->sk. For that
reason __ip_queue_xmit() and related functions all do the right thing.
One might argue that all tunnels should just call skb_orphan(skb) before
transmitting the encapsulated packet into the new socket. But tunnels do
*not* do this -- and this is wisely avoided in skb_scrub_packet() too --
because features like TSQ rely on skb->destructor() being called when
that buffer space is truely available again. Calling skb_orphan(skb) too
early would result in buffers filling up unnecessarily and accounting
info being all wrong. Instead, additional routing must take into account
the new sk, just as __ip_queue_xmit() notes.
So, this commit addresses the problem by fishing the correct sk out of
state->sk -- it's already set properly in the call to nf_hook() in
__ip_local_out(), which receives the sk as part of its normal
functionality. So we make sure to plumb state->sk through the various
route_me_harder functions, and then make correct use of it following the
example of __ip_queue_xmit().
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Linus Torvalds
Rafael J. Wysocki
Harshad Shirwadkar
Jakub Kicinski
Christoph Hellwig
Dave Airlie
Chuck Lever
Jens Axboe
Brian Foster
Oleksij Rempel
Jason Gunthorpe
Hangbin Liu
Gustavo A. R. Silva
Pablo Neira Ayuso
Jason A. Donenfeld