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Given on-disk i_xattr_icount is 16 bits and xattr_isize is calculated
from i_xattr_icount multiplying 4, xattr_isize has a theoretical maximum
of 256K (64K * 4).
Thus declare xattr_isize as unsigned int to avoid the potential overflow.
Fixes: bfb8674dc044 ("staging: erofs: add erofs in-memory stuffs")
Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230414061810.6479-1-jefflexu@linux.alibaba.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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Prior to big pclusters, non-compact compression indexes could have
empty headers.
Let's just avoid the legacy path since it can be handled properly
as a specific compression header with z_erofs_fill_inode_lazy() too.
Tested with erofs-utils exist versions.
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230413092241.73829-1-hsiangkao@linux.alibaba.com
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Let's enable long xattr name prefix feature. Old kernels will just
ignore / skip such extended attributes. In addition, in case you
don't want to mount such images, add another incompatible feature as
an option for this.
Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Acked-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230407222808.19670-1-jefflexu@linux.alibaba.com
[ Gao Xiang: minor commit message fix. ]
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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Make .{list,get}xattr routines adapted to long xattr name prefixes.
When the bit 7 of erofs_xattr_entry.e_name_index is set, it indicates
that it refers to a long xattr name prefix.
Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Acked-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230411093537.127286-1-jefflexu@linux.alibaba.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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Long xattr name prefixes will be scanned upon mounting and the in-memory
long xattr name prefix array will be initialized accordingly.
Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Acked-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230407141710.113882-6-jefflexu@linux.alibaba.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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Besides the predefined xattr name prefixes, introduces long xattr name
prefixes, which work similarly as the predefined name prefixes, except
that they are user specified.
It is especially useful for use cases together with overlayfs like
Composefs model, which introduces diverse xattr values with only a few
common xattr names (trusted.overlay.redirect, trusted.overlay.digest,
and maybe more in the future). That makes the existing predefined
prefixes ineffective in both image size and runtime performance.
When a user specified long xattr name prefix is used, only the trailing
part of the xattr name apart from the long xattr name prefix will be
stored in erofs_xattr_entry.e_name. e_name is empty if the xattr name
matches exactly as the long xattr name prefix. All long xattr prefixes
are stored in the packed or meta inode, which depends if fragments
feature is enabled or not.
For each long xattr name prefix, the on-disk format is kept as the same
as the unique metadata format: ALIGN({__le16 len, data}, 4), where len
represents the total size of struct erofs_xattr_long_prefix, followed
by data of struct erofs_xattr_long_prefix itself.
Each erofs_xattr_long_prefix keeps predefined prefixes (base_index)
and the remaining prefix string without the trailing '\0'.
Two fields are introduced to the on-disk superblock, where
xattr_prefix_count represents the total number of the long xattr name
prefixes recorded, and xattr_prefix_start represents the start offset of
recorded name prefixes in the packed/meta inode divided by 4.
When referring to a long xattr name prefix, the highest bit (bit 7) of
erofs_xattr_entry.e_name_index is set, while the lower bits (bit 0-6)
as a whole represents the index of the referred long name prefix among
all long xattr name prefixes.
Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Acked-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230407141710.113882-5-jefflexu@linux.alibaba.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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packed inode could be used in more scenarios which are independent of
compression in the future.
For example, packed inode could be used to keep extra long xattr
prefixes with the help of following patches.
Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Acked-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230407141710.113882-4-jefflexu@linux.alibaba.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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So that erofs_read_metadata() can read metadata from other inodes
(e.g. packed inode) as well.
Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Acked-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230407141710.113882-2-jefflexu@linux.alibaba.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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As commit 8f7acdae2cd4 ("staging: erofs: kill all failure handling in
fill_super()"), move the initialization of packed inode after root
inode is assigned, so that the iput() in .put_super() is adequate as
the failure handling.
Otherwise, iput() is also needed in .kill_sb(), in case of the mounting
fails halfway.
Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Fixes: b15b2e307c3a ("erofs: support on-disk compressed fragments data")
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Acked-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230407141710.113882-3-jefflexu@linux.alibaba.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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Syzbot generated a crafted image [1] with a non-compact HEAD index of
clusterofs 33024 while valid numbers should be 0 ~ lclustersize-1,
which causes the following unexpected behavior as below:
BUG: unable to handle page fault for address: fffff52101a3fff9
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 23ffed067 P4D 23ffed067 PUD 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4398 Comm: kworker/u5:1 Not tainted 6.3.0-rc6-syzkaller-g09a9639e56c0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
Workqueue: erofs_worker z_erofs_decompressqueue_work
RIP: 0010:z_erofs_decompress_queue+0xb7e/0x2b40
...
Call Trace:
<TASK>
z_erofs_decompressqueue_work+0x99/0xe0
process_one_work+0x8f6/0x1170
worker_thread+0xa63/0x1210
kthread+0x270/0x300
ret_from_fork+0x1f/0x30
Note that normal images or images using compact indexes are not
impacted. Let's fix this now.
[1] https://lore.kernel.org/r/000000000000ec75b005ee97fbaa@google.com
Reported-and-tested-by: syzbot+aafb3f37cfeb6534c4ac@syzkaller.appspotmail.com
Fixes: 02827e1796b3 ("staging: erofs: add erofs_map_blocks_iter")
Fixes: 152a333a5895 ("staging: erofs: add compacted compression indexes support")
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230410173714.104604-1-hsiangkao@linux.alibaba.com
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The ztailpacking feature has been merged for a year, it has been mostly
stable now.
Signed-off-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230227084457.3510-1-zbestahu@gmail.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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erofs_xattr_generic_get() won't be called from xattr handlers other than
user/trusted/security xattr handler, and thus there's no need of extra
checking.
Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230330082910.125374-4-jefflexu@linux.alibaba.com
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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Rename init_inode_xattrs() to erofs_init_inode_xattrs() without logic
change.
Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230330082910.125374-3-jefflexu@linux.alibaba.com
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Acked-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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Move xattrblock_addr() and xattrblock_offset() helpers into xattr.c,
as they are not used outside of xattr.c.
inlinexattr_header_size() has only one caller, and thus make it inlined
into the caller directly.
Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230330082910.125374-2-jefflexu@linux.alibaba.com
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Acked-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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- Get rid of all "vle" (variable-length extents) expressions
since they only expand overall name lengths unnecessarily;
- Rename COMPRESSION_LEGACY to COMPRESSED_FULL;
- Move on-disk directory definitions ahead of compression;
- Drop unused extended attribute definitions;
- Move inode ondisk union `i_u` out as `union erofs_inode_i_u`.
No actual logical change.
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230331063149.25611-1-hsiangkao@linux.alibaba.com
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In order to support mounting multi-blobs container image as a single
block device, add flattened block device feature for EROFS.
In this mode, all meta/data contents will be mapped into one block
space. User could compose a block device(by nbd/ublk/virtio-blk/
vhost-user-blk) from multiple sources and mount the block device by
EROFS directly. It can reduce the number of block devices used, and
it's also benefits in both VM file passthrough and distributed storage
scenarios.
You can test this using the method mentioned by:
https://github.com/dragonflyoss/image-service/pull/1139
1. Compose a (nbd)block device from multi-blobs.
2. Mount EROFS on mntdir/.
3. Compare the md5sum between source dir and mntdir/.
Later, we could also use it to refer original tar blobs.
Signed-off-by: Jia Zhu <zhujia.zj@bytedance.com>
Signed-off-by: Xin Yin <yinxin.x@bytedance.com>
Reviewed-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Acked-by: Chao Yu <chao@kernel.org>
Tested-by: Jiang Liu <gerry@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230302071751.48425-1-zhujia.zj@bytedance.com
[ Gao Xiang: refine commit message and use erofs_pos(). ]
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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Set the block size to that specified in on-disk superblock.
Also remove the hard constraint of PAGE_SIZE block size for the
uncompressed device backend. This constraint is temporarily remained
for compressed device and fscache backend, as there is more work needed
to handle the condition where the block size is not equal to PAGE_SIZE.
It is worth noting that the on-disk block size is read prior to
erofs_superblock_csum_verify(), as the read block size is needed in the
latter.
Besides, later we are going to make erofs refer to tar data blobs (which
is 512-byte aligned) for OCI containers, where the block size is 512
bytes. In this case, the 512-byte block size may not be adequate for a
directory to contain enough dirents. To fix this, we are also going to
introduce directory block size independent on the block size.
Due to we have already supported block size smaller than PAGE_SIZE now,
disable all these images with such separated directory block size until
we supported this feature later.
Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230313135309.75269-3-jefflexu@linux.alibaba.com
[ Gao Xiang: update documentation. ]
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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As the first step of converting hardcoded blocksize to that specified in
on-disk superblock, convert all call sites of hardcoded blocksize to
sb->s_blocksize except for:
1) use sbi->blkszbits instead of sb->s_blocksize in
erofs_superblock_csum_verify() since sb->s_blocksize has not been
updated with the on-disk blocksize yet when the function is called.
2) use inode->i_blkbits instead of sb->s_blocksize in erofs_bread(),
since the inode operated on may be an anonymous inode in fscache mode.
Currently the anonymous inode is allocated from an anonymous mount
maintained in erofs, while in the near future we may allocate anonymous
inodes from a generic API directly and thus have no access to the
anonymous inode's i_sb. Thus we keep the block size in i_blkbits for
anonymous inodes in fscache mode.
Be noted that this patch only gets rid of the hardcoded blocksize, in
preparation for actually setting the on-disk block size in the following
patch. The hard limit of constraining the block size to PAGE_SIZE still
exists until the next patch.
Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230313135309.75269-2-jefflexu@linux.alibaba.com
[ Gao Xiang: fold a patch to fix incorrect truncated offsets. ]
Link: https://lore.kernel.org/r/20230413035734.15457-1-zhujia.zj@bytedance.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Borislav Petkov:
- Fix "same task" check when redirecting event output
- Do not wait unconditionally for RCU on the event migration path if
there are no events to migrate
* tag 'perf_urgent_for_v6.3_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/core: Fix the same task check in perf_event_set_output
perf: Optimize perf_pmu_migrate_context()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Add a new Intel Arrow Lake CPU model number
- Fix a confusion about how to check the version of the ACPI spec which
supports a "online capable" bit in the MADT table which lead to a
bunch of boot breakages with Zen1 systems and VMs
* tag 'x86_urgent_for_v6.3_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu: Add model number for Intel Arrow Lake processor
x86/acpi/boot: Correct acpi_is_processor_usable() check
x86/ACPI/boot: Use FADT version to check support for online capable
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git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull compute express link (cxl) fixes from Dan Williams:
"Several fixes for driver startup regressions that landed during the
merge window as well as some older bugs.
The regressions were due to a lack of testing with what the CXL
specification calls Restricted CXL Host (RCH) topologies compared to
the testing with Virtual Host (VH) CXL topologies. A VH topology is
typical PCIe while RCH topologies map CXL endpoints as Root Complex
Integrated endpoints. The impact is some driver crashes on startup.
This merge window also added compatibility for range registers (the
mechanism that CXL 1.1 defined for mapping memory) to treat them like
HDM decoders (the mechanism that CXL 2.0 defined for mapping
Host-managed Device Memory). That work collided with the new region
enumeration code that was tested with CXL 2.0 setups, and fails with
crashes at startup.
Lastly, the DOE (Data Object Exchange) implementation for retrieving
an ACPI-like data table from CXL devices is being reworked for v6.4.
Several fixes fell out of that work that are suitable for v6.3.
All of this has been in linux-next for a while, and all reported
issues [1] have been addressed.
Summary:
- Fix several issues with region enumeration in RCH topologies that
can trigger crashes on driver startup or shutdown.
- Fix CXL DVSEC range register compatibility versus region
enumeration that leads to startup crashes
- Fix CDAT endiannes handling
- Fix multiple buffer handling boundary conditions
- Fix Data Object Exchange (DOE) workqueue usage vs
CONFIG_DEBUG_OBJECTS warn splats"
Link: http://lore.kernel.org/r/20230405075704.33de8121@canb.auug.org.au [1]
* tag 'cxl-fixes-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/hdm: Extend DVSEC range register emulation for region enumeration
cxl/hdm: Limit emulation to the number of range registers
cxl/region: Move coherence tracking into cxl_region_attach()
cxl/region: Fix region setup/teardown for RCDs
cxl/port: Fix find_cxl_root() for RCDs and simplify it
cxl/hdm: Skip emulation when driver manages mem_enable
cxl/hdm: Fix double allocation of @cxlhdm
PCI/DOE: Fix memory leak with CONFIG_DEBUG_OBJECTS=y
PCI/DOE: Silence WARN splat with CONFIG_DEBUG_OBJECTS=y
cxl/pci: Handle excessive CDAT length
cxl/pci: Handle truncated CDAT entries
cxl/pci: Handle truncated CDAT header
cxl/pci: Fix CDAT retrieval on big endian
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git://git.samba.org/sfrench/cifs-2.6
Pull cifs client fixes from Steve French:
"Two cifs/smb3 client fixes, one for stable:
- double lock fix for a cifs/smb1 reconnect path
- DFS prefixpath fix for reconnect when server moved"
* tag '6.3-rc5-smb3-cifs-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: double lock in cifs_reconnect_tcon()
cifs: sanitize paths in cifs_update_super_prepath.
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are a small set of various small driver changes for 6.3-rc6.
Included in here are:
- iio driver fixes for reported problems
- coresight hwtracing bugfix for reported problem
- small counter driver bugfixes
All have been in linux-next for a while with no reported problems"
* tag 'char-misc-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
coresight: etm4x: Do not access TRCIDR1 for identification
coresight-etm4: Fix for() loop drvdata->nr_addr_cmp range bug
iio: adc: ti-ads7950: Set `can_sleep` flag for GPIO chip
iio: adc: palmas_gpadc: fix NULL dereference on rmmod
counter: 104-quad-8: Fix Synapse action reported for Index signals
counter: 104-quad-8: Fix race condition between FLAG and CNTR reads
iio: adc: max11410: fix read_poll_timeout() usage
iio: dac: cio-dac: Fix max DAC write value check for 12-bit
iio: light: cm32181: Unregister second I2C client if present
iio: accel: kionix-kx022a: Get the timestamp from the driver's private data in the trigger_handler
iio: adc: ad7791: fix IRQ flags
iio: buffer: make sure O_NONBLOCK is respected
iio: buffer: correctly return bytes written in output buffers
iio: light: vcnl4000: Fix WARN_ON on uninitialized lock
iio: adis16480: select CONFIG_CRC32
drivers: iio: adc: ltc2497: fix LSB shift
iio: adc: qcom-spmi-adc5: Fix the channel name
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are some small tty and serial driver fixes for some reported
problems:
- fsl_uart driver bugfixes
- sh-sci serial driver bugfixes
- renesas serial driver DT binding bugfixes
- 8250 DMA bugfix
All of these have been in linux-next for a while with no reported
problems"
* tag 'tty-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: serial: sh-sci: Fix Rx on RZ/G2L SCI
tty: serial: fsl_lpuart: fix crash in lpuart_uport_is_active
tty: serial: fsl_lpuart: avoid checking for transfer complete when UARTCTRL_SBK is asserted in lpuart32_tx_empty
serial: 8250: Prevent starting up DMA Rx on THRI interrupt
dt-bindings: serial: renesas,scif: Fix 4th IRQ for 4-IRQ SCIFs
tty: serial: sh-sci: Fix transmit end interrupt handler
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB bugfixes from Greg KH:
"Here are some small USB bugfixes for 6.3-rc6 that have been in my
tree, and in linux-next, for a while. Included in here are:
- new usb-serial driver device ids
- xhci bugfixes for reported problems
- gadget driver bugfixes for reported problems
- dwc3 new device id
All have been in linux-next with no reported problems"
* tag 'usb-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: cdnsp: Fixes error: uninitialized symbol 'len'
usb: gadgetfs: Fix ep_read_iter to handle ITER_UBUF
usb: gadget: f_fs: Fix ffs_epfile_read_iter to handle ITER_UBUF
usb: typec: altmodes/displayport: Fix configure initial pin assignment
usb: dwc3: pci: add support for the Intel Meteor Lake-S
xhci: Free the command allocated for setting LPM if we return early
Revert "usb: xhci-pci: Set PROBE_PREFER_ASYNCHRONOUS"
xhci: also avoid the XHCI_ZERO_64B_REGS quirk with a passthrough iommu
USB: serial: option: add Quectel RM500U-CN modem
usb: xhci: tegra: fix sleep in atomic call
USB: serial: option: add Telit FE990 compositions
USB: serial: cp210x: add Silicon Labs IFS-USB-DATACABLE IDs
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Four small fixes, all in drivers. They're all one or two lines except
for the ufs one, but that's a simple revert of a previous feature"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: iscsi_tcp: Check that sock is valid before iscsi_set_param()
scsi: qla2xxx: Fix memory leak in qla2x00_probe_one()
scsi: mpi3mr: Handle soft reset in progress fault code (0xF002)
scsi: Revert "scsi: ufs: core: Initialize devfreq synchronously"
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Pull block fixes from Jens Axboe:
- Ensure that ublk always reads the whole sqe upfront (me)
- Fix for a block size probing issue with ublk (Ming)
- Fix for the bio based polling (Keith)
- NVMe pull request via Christoph:
- fix discard support without oncs (Keith Busch)
- Partition scan error handling regression fix (Yu)
* tag 'block-6.3-2023-04-06' of git://git.kernel.dk/linux:
block: don't set GD_NEED_PART_SCAN if scan partition failed
block: ublk: make sure that block size is set correctly
ublk: read any SQE values upfront
nvme: fix discard support without oncs
blk-mq: directly poll requests
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Pull io_uring fixes from Jens Axboe:
"Just two minor fixes for provided buffers - one where we could
potentially leak a buffer, and one where the returned values was
off-by-one in some cases"
* tag 'io_uring-6.3-2023-04-06' of git://git.kernel.dk/linux:
io_uring: fix memory leak when removing provided buffers
io_uring: fix return value when removing provided buffers
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git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping fix from Christoph Hellwig:
- fix a braino in the swiotlb alignment check fix (Petr Tesarik)
* tag 'dma-mapping-6.3-2023-04-08' of git://git.infradead.org/users/hch/dma-mapping:
swiotlb: fix a braino in the alignment check fix
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
"A couple more minor fixes:
- Reset direct->addr back to its original value on error in updating
the direct trampoline code
- Make lastcmd_mutex static"
* tag 'trace-v6.3-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing/synthetic: Make lastcmd_mutex static
ftrace: Fix issue that 'direct->addr' not restored in modify_ftrace_direct()
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM fixes from Andrew Morton:
"28 hotfixes.
23 are cc:stable and the other five address issues which were
introduced during this merge cycle.
20 are for MM and the remainder are for other subsystems"
* tag 'mm-hotfixes-stable-2023-04-07-16-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (28 commits)
maple_tree: fix a potential concurrency bug in RCU mode
maple_tree: fix get wrong data_end in mtree_lookup_walk()
mm/swap: fix swap_info_struct race between swapoff and get_swap_pages()
nilfs2: fix sysfs interface lifetime
mm: take a page reference when removing device exclusive entries
mm: vmalloc: avoid warn_alloc noise caused by fatal signal
nilfs2: initialize "struct nilfs_binfo_dat"->bi_pad field
nilfs2: fix potential UAF of struct nilfs_sc_info in nilfs_segctor_thread()
zsmalloc: document freeable stats
zsmalloc: document new fullness grouping
fsdax: force clear dirty mark if CoW
mm/hugetlb: fix uffd wr-protection for CoW optimization path
mm: enable maple tree RCU mode by default
maple_tree: add RCU lock checking to rcu callback functions
maple_tree: add smp_rmb() to dead node detection
maple_tree: fix write memory barrier of nodes once dead for RCU mode
maple_tree: remove extra smp_wmb() from mas_dead_leaves()
maple_tree: fix freeing of nodes in rcu mode
maple_tree: detect dead nodes in mas_start()
maple_tree: be more cautious about dead nodes
...
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix irq handling in gpio-davinci
- fix Kconfig dependencies for gpio-regmap
* tag 'gpio-fixes-for-v6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: davinci: Add irq chip flag to skip set wake
gpio: davinci: Do not clear the bank intr enable bit in save_context
gpio: GPIO_REGMAP: select REGMAP instead of depending on it
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"Fix the ACPI backlight override mechanism for the cases when
acpi_backlight=video is set through the kernel command line or a DMI
quirk and add backlight quirks for Apple iMac14,1 and iMac14,2 and
Lenovo ThinkPad W530 (Hans de Goede)"
* tag 'acpi-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: video: Add acpi_backlight=video quirk for Lenovo ThinkPad W530
ACPI: video: Add acpi_backlight=video quirk for Apple iMac14,1 and iMac14,2
ACPI: video: Make acpi_backlight=video work independent from GPU driver
ACPI: video: Add auto_detect arg to __acpi_video_get_backlight_type()
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Catalin Marinas:
"Fix uninitialised variable warning (from smatch) in the arm64 compat
alignment fixup code"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: compat: Work around uninitialized variable warning
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Pull ksmbd server fixes from Steve French:
"Four fixes, three for stable:
- slab out of bounds fix
- lock cancellation fix
- minor cleanup to address clang warning
- fix for xfstest 551 (wrong parms passed to kvmalloc)"
* tag '6.3-rc5-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: fix slab-out-of-bounds in init_smb2_rsp_hdr
ksmbd: delete asynchronous work from list
ksmbd: remove unused is_char_allowed function
ksmbd: do not call kvmalloc() with __GFP_NORETRY | __GFP_NO_WARN
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This lock was supposed to be an unlock.
Fixes: 6cc041e90c17 ("cifs: avoid races in parallel reconnects in smb1")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Currently if disk_scan_partitions() failed, GD_NEED_PART_SCAN will still
set, and partition scan will be proceed again when blkdev_get_by_dev()
is called. However, this will cause a problem that re-assemble partitioned
raid device will creat partition for underlying disk.
Test procedure:
mdadm -CR /dev/md0 -l 1 -n 2 /dev/sda /dev/sdb -e 1.0
sgdisk -n 0:0:+100MiB /dev/md0
blockdev --rereadpt /dev/sda
blockdev --rereadpt /dev/sdb
mdadm -S /dev/md0
mdadm -A /dev/md0 /dev/sda /dev/sdb
Test result: underlying disk partition and raid partition can be
observed at the same time
Note that this can still happen in come corner cases that
GD_NEED_PART_SCAN can be set for underlying disk while re-assemble raid
device.
Fixes: e5cfefa97bcc ("block: fix scan partition for exclusively open device again")
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The lastcmd_mutex is only used in trace_events_synth.c and should be
static.
Link: https://lore.kernel.org/linux-trace-kernel/202304062033.cRStgOuP-lkp@intel.com/
Link: https://lore.kernel.org/linux-trace-kernel/20230406111033.6e26de93@gandalf.local.home
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Tze-nan Wu <Tze-nan.Wu@mediatek.com>
Fixes: 4ccf11c4e8a8e ("tracing/synthetic: Fix races on freeing last_cmd")
Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from wireless and can.
Current release - regressions:
- wifi: mac80211:
- fix potential null pointer dereference
- fix receiving mesh packets in forwarding=0 networks
- fix mesh forwarding
Current release - new code bugs:
- virtio/vsock: fix leaks due to missing skb owner
Previous releases - regressions:
- raw: fix NULL deref in raw_get_next().
- sctp: check send stream number after wait_for_sndbuf
- qrtr:
- fix a refcount bug in qrtr_recvmsg()
- do not do DEL_SERVER broadcast after DEL_CLIENT
- wifi: brcmfmac: fix SDIO suspend/resume regression
- wifi: mt76: fix use-after-free in fw features query.
- can: fix race between isotp_sendsmg() and isotp_release()
- eth: mtk_eth_soc: fix remaining throughput regression
- eth: ice: reset FDIR counter in FDIR init stage
Previous releases - always broken:
- core: don't let netpoll invoke NAPI if in xmit context
- icmp: guard against too small mtu
- ipv6: fix an uninit variable access bug in __ip6_make_skb()
- wifi: mac80211: fix the size calculation of
ieee80211_ie_len_eht_cap()
- can: fix poll() to not report false EPOLLOUT events
- eth: gve: secure enough bytes in the first TX desc for all TCP
pkts"
* tag 'net-6.3-rc6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (47 commits)
net: stmmac: check fwnode for phy device before scanning for phy
net: stmmac: Add queue reset into stmmac_xdp_open() function
selftests: net: rps_default_mask.sh: delete veth link specifically
net: fec: make use of MDIO C45 quirk
can: isotp: fix race between isotp_sendsmg() and isotp_release()
can: isotp: isotp_ops: fix poll() to not report false EPOLLOUT events
can: isotp: isotp_recvmsg(): use sock_recv_cmsgs() to get SOCK_RXQ_OVFL infos
can: j1939: j1939_tp_tx_dat_new(): fix out-of-bounds memory access
gve: Secure enough bytes in the first TX desc for all TCP pkts
netlink: annotate lockless accesses to nlk->max_recvmsg_len
ethtool: reset #lanes when lanes is omitted
ping: Fix potentail NULL deref for /proc/net/icmp.
raw: Fix NULL deref in raw_get_next().
ice: Reset FDIR counter in FDIR init stage
ice: fix wrong fallback logic for FDIR
net: stmmac: fix up RX flow hash indirection table when setting channels
net: ethernet: ti: am65-cpsw: Fix mdio cleanup in probe
wifi: mt76: ignore key disable commands
wifi: ath11k: reduce the MHI timeout to 20s
ipv6: Fix an uninit variable access bug in __ip6_make_skb()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fixes from Shuah Khan:
"One single fix to mount_setattr_test build failure"
* tag 'linux-kselftest-fixes-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests mount: Fix mount_setattr_test builds failed
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git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd fixes from Jason Gunthorpe:
- An invalid VA range can be be put in a pages and eventually trigger
WARN_ON, reject it early
- Use of the wrong start index value when doing the complex batch carry
scheme
- Wrong store ordering resulting in corrupting data used in a later
calculation that corrupted the batch structure during carry
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
iommufd: Do not corrupt the pfn list when doing batch carry
iommufd: Fix unpinning of pages when an access is present
iommufd: Check for uptr overflow
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git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm fixes from Thierry Reding:
"These are some fixes to make sure the PWM state structure is always
initialized to a known state.
Prior to this it could happen in some situations that random data from
the stack would leak into the data structure and cause subtle bugs"
* tag 'pwm/for-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: Zero-initialize the pwm_state passed to driver's .get_state()
pwm: meson: Explicitly set .polarity in .get_state()
pwm: sprd: Explicitly set .polarity in .get_state()
pwm: iqs620a: Explicitly set .polarity in .get_state()
pwm: cros-ec: Explicitly set .polarity in .get_state()
pwm: hibvt: Explicitly set .polarity in .get_state()
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Pull drm fixes from Daniel Vetter:
"Mostly i915 fixes: dp mst for compression/dsc, perf ioctl uaf, ctx rpm
accounting, gt reset vs huc loading.
And a few individual driver fixes: ivpu dma fence&suspend, panfrost
mmap, nouveau color depth"
* tag 'drm-fixes-2023-04-06' of git://anongit.freedesktop.org/drm/drm:
accel/ivpu: Fix S3 system suspend when not idle
accel/ivpu: Add dma fence to command buffers only
drm/i915: Fix context runtime accounting
drm/i915: fix race condition UAF in i915_perf_add_config_ioctl
drm/i915: Use compressed bpp when calculating m/n value for DP MST DSC
drm/i915/huc: Cancel HuC delayed load timer on reset.
drm/i915/ttm: fix sparse warning
drm/panfrost: Fix the panfrost_mmu_map_fault_addr() error path
drm/nouveau/disp: Support more modes by checking with lower bpc
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"The majority of changes here are various fixes for Intel drivers,
and there is a change in ASoC PCM core for the format constraints.
In addition, a workaround for HD-audio HDMI regressions and usual
HD-audio quirks are found"
* tag 'sound-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/hdmi: Preserve the previous PCM device upon re-enablement
ALSA: hda/realtek: Add quirk for Clevo X370SNW
ALSA: hda/realtek: fix mute/micmute LEDs for a HP ProBook
ASoC: SOF: avoid a NULL dereference with unsupported widgets
ASoC: da7213.c: add missing pm_runtime_disable()
ASoC: hdac_hdmi: use set_stream() instead of set_tdm_slots()
ASoC: codecs: lpass: fix the order or clks turn off during suspend
ASoC: Intel: bytcr_rt5640: Add quirk for the Acer Iconia One 7 B1-750
ASoC: SOF: ipc4: Ensure DSP is in D0I0 during sof_ipc4_set_get_data()
ASoC: amd: yc: Add DMI entries to support Victus by HP Laptop 16-e1xxx (8A22)
ASoC: soc-pcm: fix hw->formats cleared by soc_pcm_hw_init() for dpcm
ASoC: Intel: soc-acpi: add table for Intel 'Rooks County' NUC M15
ASOC: Intel: sof_sdw: add quirk for Intel 'Rooks County' NUC M15
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
- more think-lmi fixes
- one DMI quirk addition
* tag 'platform-drivers-x86-v6.3-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: thinkpad_acpi: Add missing T14s Gen1 type to s2idle quirk list
platform/x86: think-lmi: Clean up display of current_value on Thinkstation
platform/x86: think-lmi: Fix memory leaks when parsing ThinkStation WMI strings
platform/x86: think-lmi: Fix memory leak when showing current settings
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git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic fixes from Arnd Bergmann:
"These are minor fixes to address false-positive build warnings:
Some of the less common I/O accessors are missing __force casts and
cause sparse warnings for their implied byteswap, and a recent change
to __generic_cmpxchg_local() causes a warning about constant integer
truncation"
* tag 'asm-generic-fixes-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
asm-generic: avoid __generic_cmpxchg_local warnings
asm-generic/io.h: suppress endianness warnings for relaxed accessors
asm-generic/io.h: suppress endianness warnings for readq() and writeq()
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Some DT devices already have phy device configured in the DT/ACPI.
Current implementation scans for a phy unconditionally even though
there is a phy listed in the DT/ACPI and already attached.
We should check the fwnode if there is any phy device listed in
fwnode and decide whether to scan for a phy to attach to.
Fixes: fe2cfbc96803 ("net: stmmac: check if MAC needs to attach to a PHY")
Reported-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/lkml/20230403212434.296975-1-martin.blumenstingl@googlemail.com/
Tested-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Shahab Vahedi <shahab@synopsys.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Suggested-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Michael Sit Wei Hong <michael.wei.hong.sit@intel.com>
Link: https://lore.kernel.org/r/20230406024541.3556305-1-michael.wei.hong.sit@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Syzkaller report a WARNING: "WARN_ON(!direct)" in modify_ftrace_direct().
Root cause is 'direct->addr' was changed from 'old_addr' to 'new_addr' but
not restored if error happened on calling ftrace_modify_direct_caller().
Then it can no longer find 'direct' by that 'old_addr'.
To fix it, restore 'direct->addr' to 'old_addr' explicitly in error path.
Link: https://lore.kernel.org/linux-trace-kernel/20230330025223.1046087-1-zhengyejian1@huawei.com
Cc: stable@vger.kernel.org
Cc: <mhiramat@kernel.org>
Cc: <mark.rutland@arm.com>
Cc: <ast@kernel.org>
Cc: <daniel@iogearbox.net>
Fixes: 8a141dd7f706 ("ftrace: Fix modify_ftrace_direct.")
Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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The alignment mask in swiotlb_do_find_slots() masks off the high
bits which are not relevant for the alignment, so multiple
requirements are combined with a bitwise OR rather than AND.
In plain English, the stricter the alignment, the more bits must
be set in iotlb_align_mask.
Confusion may arise from the fact that the same variable is also
used to mask off the offset within a swiotlb slot, which is
achieved with a bitwise AND.
Fixes: 0eee5ae10256 ("swiotlb: fix slot alignment checks")
Reported-by: Dexuan Cui <decui@microsoft.com>
Link: https://lore.kernel.org/all/CAA42JLa1y9jJ7BgQvXeUYQh-K2mDNHd2BYZ4iZUz33r5zY7oAQ@mail.gmail.com/
Reported-by: Kelsey Steele <kelseysteele@linux.microsoft.com>
Link: https://lore.kernel.org/all/20230405003549.GA21326@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net/
Signed-off-by: Petr Tesarik <petr.tesarik.ext@huawei.com>
Tested-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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