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The function needs to check the minimal filehandle length before it can
access the embedded filehandle.
Reported-by: zhangjian <zhangjian496@huawei.com>
Fixes: 20fa19027286 ("nfs: add export operations")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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Warning: net/sunrpc/auth_gss/gss_krb5_crypto.c:902 function parameter
'len' not described in 'krb5_etm_decrypt'
Warning: net/sunrpc/auth_gss/gss_krb5_crypto.c:902 function parameter
'buf' not described in 'krb5_etm_decrypt'
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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Use the wake_up_var_locked() and wait_var_event_spinlock() helpers.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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Use store_release_wake_up() to add the appropriate memory barrier before
calling wake_up_var(&dentry->d_fsdata).
Reported-by: Lukáš Hejtmánek<xhejtman@ics.muni.cz>
Suggested-by: Santosh Pradhan <santosh.pradhan@gmail.com>
Link: https://lore.kernel.org/all/18945D18-3EDB-4771-B019-0335CE671077@ics.muni.cz/
Fixes: 99bc9f2eb3f7 ("NFS: add barriers when testing for NFS_FSDATA_BLOCKED")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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nfs_delegation_find_inode currently has to walk the entire list of
delegations per inode, which can become pretty large, and can become even
larger when increasing the delegation watermark.
Add a hash table to speed up the delegation lookup, sized as a fraction
of the delegation watermark.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20250718081509.2607553-6-hch@lst.de
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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The active delegation watermark was added to avoid overloading servers.
Track the active delegation per-server instead of globally so that clients
talking to multiple servers aren't limited by the global limit.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20250718081509.2607553-5-hch@lst.de
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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Keep the module_param_named next to the variable declaration instead of
somewhere unrelated, following the best practice in the rest of the
kernel.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20250718081509.2607553-4-hch@lst.de
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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Reduce a level of indentation for most of the code in this function.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20250718081509.2607553-3-hch@lst.de
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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Return error directly instead of using a goto label for it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20250718081509.2607553-2-hch@lst.de
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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When an applications get killed (SIGTERM/SIGINT) while pNFS client performs a connection
to DS, client ends in an infinite loop of connect-disconnect. This
source of the issue, it that flexfilelayoutdev#nfs4_ff_layout_prepare_ds gets an error
on nfs4_pnfs_ds_connect with status ERESTARTSYS, which is set by rpc_signal_task, but
the error is treated as transient, thus retried.
The issue is reproducible with Ctrl+C the following script(there should be ~1000 files in
a directory, client should must not have any connections to DSes):
```
echo 3 > /proc/sys/vm/drop_caches
for i in *
do
head -1 $i
done
```
The change aims to propagate the nfs4_ff_layout_prepare_ds error state
to the caller that can decide whatever this is a retryable error or not.
Signed-off-by: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>
Link: https://lore.kernel.org/r/20250627071751.189663-1-tigran.mkrtchyan@desy.de
Fixes: 260f32adb88d ("pNFS/flexfiles: Check the result of nfs4_pnfs_ds_connect")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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Otherwise built-in NFS can lead to sectіon mismatches.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20250714062450.1468117-1-hch@lst.de
Fixes: 87268f7a4f1f ("nfs: create a kernel keyring")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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Passed the partially filled out structure to nfs4_set_client instead of
11 arguments that then get stashed into the structure.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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At the end of the isect translation, disc_addr represents the physical
disk offset. Thus, end calculated from disk_addr is also a physical disk
offset. Therefore, range checking should be done using map->disk_offset,
not map->start.
Signed-off-by: Sergey Bashirov <sergeybashirov@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20250702133226.212537-1-sergeybashirov@gmail.com
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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Because of integer division, we need to carefully calculate the
disk offset. Consider the example below for a stripe of 6 volumes,
a chunk size of 4096, and an offset of 70000.
chunk = div_u64(offset, dev->chunk_size) = 70000 / 4096 = 17
offset = chunk * dev->chunk_size = 17 * 4096 = 69632
disk_offset_wrong = div_u64(offset, dev->nr_children) = 69632 / 6 = 11605
disk_chunk = div_u64(chunk, dev->nr_children) = 17 / 6 = 2
disk_offset = disk_chunk * dev->chunk_size = 2 * 4096 = 8192
Signed-off-by: Sergey Bashirov <sergeybashirov@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20250701122341.199112-1-sergeybashirov@gmail.com
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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When there are too many block extents for a layoutcommit, they may not
all fit into the maximum-sized RPC. This patch allows the generic pnfs
code to properly handle -ENOSPC returned by the block/scsi layout driver
and trigger additional layoutcommits if necessary.
Co-developed-by: Konstantin Evtushenko <koevtushenko@yandex.com>
Signed-off-by: Konstantin Evtushenko <koevtushenko@yandex.com>
Signed-off-by: Sergey Bashirov <sergeybashirov@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20250630183537.196479-5-sergeybashirov@gmail.com
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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Replace dprintk with trace event in ext_tree_prepare_commit() function.
Co-developed-by: Konstantin Evtushenko <koevtushenko@yandex.com>
Signed-off-by: Konstantin Evtushenko <koevtushenko@yandex.com>
Signed-off-by: Sergey Bashirov <sergeybashirov@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20250630183537.196479-4-sergeybashirov@gmail.com
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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The ext_tree_encode_commit() function may be called multiple times for
the same file, layout, and last written byte if the provided buffer is
not large enough to encode all extents in it.
The first problem is that the last written byte field must be zeroed
only on a successful call, otherwise we will lose its actual value and
get an integer overflow on the next encoding attempt.
The second problem is that we can't count and encode in one pass. The
extent state changes during encoding, so if we return -ENOSPC but have
already encoded some extents into a small buffer, they will not be
re-encoded into a new larger buffer on the next try. As a result, the
client never commits these extents to the server.
Co-developed-by: Konstantin Evtushenko <koevtushenko@yandex.com>
Signed-off-by: Konstantin Evtushenko <koevtushenko@yandex.com>
Signed-off-by: Sergey Bashirov <sergeybashirov@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20250630183537.196479-3-sergeybashirov@gmail.com
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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The error occurs on the third attempt to encode extents. When function
ext_tree_prepare_commit() reallocates a larger buffer to retry encoding
extents, the "layoutupdate_pages" page array is initialized only after the
retry loop. But ext_tree_free_commitdata() is called on every iteration
and tries to put pages in the array, thus dereferencing uninitialized
pointers.
An additional problem is that there is no limit on the maximum possible
buffer_size. When there are too many extents, the client may create a
layoutcommit that is larger than the maximum possible RPC size accepted
by the server.
During testing, we observed two typical scenarios. First, one memory page
for extents is enough when we work with small files, append data to the
end of the file, or preallocate extents before writing. But when we fill
a new large file without preallocating, the number of extents can be huge,
and counting the number of written extents in ext_tree_encode_commit()
does not help much. Since this number increases even more between
unlocking and locking of ext_tree, the reallocated buffer may not be
large enough again and again.
Co-developed-by: Konstantin Evtushenko <koevtushenko@yandex.com>
Signed-off-by: Konstantin Evtushenko <koevtushenko@yandex.com>
Signed-off-by: Sergey Bashirov <sergeybashirov@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20250630183537.196479-2-sergeybashirov@gmail.com
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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nfs_umount() has been unused since 2013's
commit 4580a92d44e2 ("NFS: Use server-recommended security flavor by
default (NFSv3)")
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://lore.kernel.org/r/20250218215250.263709-1-linux@treblig.org
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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Remove a bunch of unused xdr_*decode* functions:
The last use of xdr_decode_netobj() was removed in 2021 by:
commit 7cf96b6d0104 ("lockd: Update the NLMv4 SHARE arguments decoder to
use struct xdr_stream")
The last use of xdr_decode_string_inplace() was removed in 2021 by:
commit 3049e974a7c7 ("lockd: Update the NLMv4 FREE_ALL arguments decoder
to use struct xdr_stream")
The last use of xdr_stream_decode_opaque() was removed in 2024 by:
commit fed8a17c61ff ("xdrgen: typedefs should use the built-in string and
opaque functions")
The functions xdr_stream_decode_string() and
xdr_stream_decode_opaque_dup() were both added in 2018 by the
commit 0e779aa70308 ("SUNRPC: Add helpers for decoding opaque and string
types")
but never used.
Remove them.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://lore.kernel.org/r/20250712233006.403226-1-linux@treblig.org
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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Create a kernel .nfs keyring similar to the nvme .nvme one. Unlike for
a userspace-created keyrind, tlshd is a possesor of the keys with this
and thus the keys don't need user read permissions.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Link: https://lore.kernel.org/r/20250515115107.33052-3-hch@lst.de
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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Allow tlshd to use a per-mount key from the kernel keyring similar
to NVMe over TCP.
Note that tlshd expects keys and certificates stored in the kernel
keyring to be in DER format, not the PEM format used for file based keys
and certificates, so they need to be converted before they are added
to the keyring, which is a bit unexpected.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Link: https://lore.kernel.org/r/20250515115107.33052-2-hch@lst.de
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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When the mode is MIGRATE_SYNC, we are allowed to call nfs_wb_folio()
under the folio lock.
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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Add new tracepoints in the NFSv4 match_stateid minorversion op that show
the info in both stateids.
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20250618-nfs-tracepoints-v2-4-540c9fb48da2@kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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Add a tracepoint in the function that decides whether to return a
delegation to the server.
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20250618-nfs-tracepoints-v2-3-540c9fb48da2@kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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We have tracepoints for setting a delegation and reclaiming them. Add a
tracepoint for when the delegation is being detached from the inode.
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20250618-nfs-tracepoints-v2-2-540c9fb48da2@kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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Managing the cache_validity flags is the deep voodoo of NFS cache
coherency. Let's have a little extra visibility into that value via the
nfs_inode_event tracepoints.
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20250618-nfs-tracepoints-v2-1-540c9fb48da2@kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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The last code that was using this was removed via commit 20d655d6197d
("pnfs/blocklayout: use the device id cache") which was merged in
v3.18-rc1, so it can be removed completely.
Signed-off-by: Anthony Iliopoulos <ailiop@suse.com>
Link: https://lore.kernel.org/r/20250613094439.82338-4-ailiop@suse.com
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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The last code that was using this was removed via commit ca0daa277aca
("NFS: Cache aggressively when file is open for writing") which was
merged in v4.8-rc1, so it can be removed completely.
Signed-off-by: Anthony Iliopoulos <ailiop@suse.com>
Link: https://lore.kernel.org/r/20250613094439.82338-3-ailiop@suse.com
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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The wpages field is not serving any purpose since commit c63c7b051395
("NFS: Fix a race when doing NFS write coalescing") which was merged in
v2.6.22-rc1. Remove it completely.
Signed-off-by: Anthony Iliopoulos <ailiop@suse.com>
Link: https://lore.kernel.org/r/20250613094439.82338-2-ailiop@suse.com
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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This tracepoint aims to expose pnfs DS connect status
Signed-off-by: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Link: https://lore.kernel.org/r/20250610151246.9147-1-tigran.mkrtchyan@desy.de
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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Rather than open-coding this function call it to make intention clear
and to use "correct" nesting levels (parent and child are for
directories).
This is purely cosmetic with no expected change in behaviour.
Signed-off-by: NeilBrown <neil@brown.name>
Link: https://lore.kernel.org/r/174942091741.608730.3327223511347232829@noble.neil.brown.name
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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If the server supports the NFSv4.x "create_time" attribute, then return
it as part of the statx results.
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/eae27d6467e08aaa67e0ac6ae7119263a0f83349.1748515333.git.bcodding@redhat.com
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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Add tracking of the create time (a.k.a. btime) along with corresponding
bitfields, request, and decode xdr routines.
Signed-off-by: Anne Marie Merritt <annemarie.merritt@primarydata.com>
Signed-off-by: Lance Shelton <lance.shelton@hammerspace.com>
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/1e3677b0655fa2bbaba0817b41d111d94a06e5ee.1748515333.git.bcodding@redhat.com
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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We need to be able to track more than 32 attributes per inode.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Lance Shelton <lance.shelton@hammerspace.com>
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/1e3405fca54efd0be7c91c1da77917b94f5dfcc4.1748515333.git.bcodding@redhat.com
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Fixes for a few clk drivers and bindings:
- Add a missing property to the Mediatek MT8188 clk binding to
keep binding checks happy
- Avoid an OOB by setting the correct number of parents in
dispmix_csr_clk_dev_data
- Allocate clk_hw structs early in probe to avoid an ordering
issue where clk_parent_data points to an unallocated clk_hw
when the child clk is registered before the parent clk in the
SCMI clk driver
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
dt-bindings: clock: mediatek: Add #reset-cells property for MT8188
clk: imx: Fix an out-of-bounds access in dispmix_csr_clk_dev_data
clk: scmi: Handle case where child clocks are initialized before their parents
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Update Kirill's email address
- Allow hugetlb PMD sharing only on 64-bit as it doesn't make a whole
lotta sense on 32-bit
- Add fixes for a misconfigured AMD Zen2 client which wasn't even
supposed to run Linux
* tag 'x86_urgent_for_v6.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
MAINTAINERS: Update Kirill Shutemov's email address for TDX
x86/mm: Disable hugetlb page table sharing on 32-bit
x86/CPU/AMD: Disable INVLPGB on Zen2
x86/rdrand: Disable RDSEED on AMD Cyan Skillfish
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Borislav Petkov:
- Fix a case of recursive locking in the MSI code
- Fix a randconfig build failure in armada-370-xp irqchip
* tag 'irq_urgent_for_v6.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/irq-msi-lib: Fix build with PCI disabled
PCI/MSI: Prevent recursive locking in pci_msix_write_tph_tag()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fix from Borislav Petkov:
- Prevent perf_sigtrap() from observing an exiting task and warning
about it
* tag 'perf_urgent_for_v6.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/core: Fix WARN in perf_sigtrap()
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"19 hotfixes. A whopping 16 are cc:stable and the remainder address
post-6.15 issues or aren't considered necessary for -stable kernels.
14 are for MM. Three gdb-script fixes and a kallsyms build fix"
* tag 'mm-hotfixes-stable-2025-07-11-16-16' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
Revert "sched/numa: add statistics of numa balance task"
mm: fix the inaccurate memory statistics issue for users
mm/damon: fix divide by zero in damon_get_intervals_score()
samples/damon: fix damon sample mtier for start failure
samples/damon: fix damon sample wsse for start failure
samples/damon: fix damon sample prcl for start failure
kasan: remove kasan_find_vm_area() to prevent possible deadlock
scripts: gdb: vfs: support external dentry names
mm/migrate: fix do_pages_stat in compat mode
mm/damon/core: handle damon_call_control as normal under kdmond deactivation
mm/rmap: fix potential out-of-bounds page table access during batched unmap
mm/hugetlb: don't crash when allocating a folio if there are no resv
scripts/gdb: de-reference per-CPU MCE interrupts
scripts/gdb: fix interrupts.py after maple tree conversion
maple_tree: fix mt_destroy_walk() on root leaf node
mm/vmalloc: leave lazy MMU mode on PTE mapping error
scripts/gdb: fix interrupts display after MCP on x86
lib/alloc_tag: do not acquire non-existent lock in alloc_tag_top_users()
kallsyms: fix build without execinfo
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git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs fixes from Gao Xiang:
"Fix for a cache aliasing issue by adding missing flush_dcache_folio(),
which causes execution failures on some arm32 setups.
Fix for large compressed fragments, which could be generated by
-Eall-fragments option (but should be rare) and was rejected by
mistake due to an on-disk hardening commit.
The remaining ones are small fixes. Summary:
- Address cache aliasing for mappable page cache folios
- Allow readdir() to be interrupted
- Fix large fragment handling which was errored out by mistake
- Add missing tracepoints
- Use memcpy_to_folio() to replace copy_to_iter() for inline data"
* tag 'erofs-for-6.16-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: fix large fragment handling
erofs: allow readdir() to be interrupted
erofs: address D-cache aliasing
erofs: use memcpy_to_folio() to replace copy_to_iter()
erofs: fix to add missing tracepoint in erofs_read_folio()
erofs: fix to add missing tracepoint in erofs_readahead()
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Pull bcachefs fixes from Kent Overstreet.
* tag 'bcachefs-2025-07-11' of git://evilpiepirate.org/bcachefs:
bcachefs: Don't set BCH_FS_error on transaction restart
bcachefs: Fix additional misalignment in journal space calculations
bcachefs: Don't schedule non persistent passes persistently
bcachefs: Fix bch2_btree_transactions_read() synchronization
bcachefs: btree read retry fixes
bcachefs: btree node scan no longer uses btree cache
bcachefs: Tweak btree cache helpers for use by btree node scan
bcachefs: Fix btree for nonexistent tree depth
bcachefs: Fix bch2_io_failures_to_text()
bcachefs: bch2_fpunch_snapshot()
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Pull smb server fixes from Steve French:
- fix use after free in lease break
- small fix for freeing rdma transport (fixes missing logging of
cm_qp_destroy)
- fix write count leak
* tag 'v6.16-rc5-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: fix potential use-after-free in oplock/lease break ack
ksmbd: fix a mount write count leak in ksmbd_vfs_kern_path_locked()
smb: server: make use of rdma_destroy_qp()
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git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI fixes from Bjorn Helgaas:
- Track apple Root Ports explicitly and look up the driver data from
the struct device instead of using dev->driver_data, which is used by
pci_host_common_init() for the generic host bridge pointer (Marc
Zyngier)
- Set dev->driver_data before pci_host_common_init() calls
gen_pci_init() because some drivers need it to set up ECAM mappings;
this fixes a regression on MicroChip MPFS Icicle (Geert Uytterhoeven)
- Revert the now-unnecessary use of ECAM pci_config_window.priv to
store a copy of dev->driver_data (Marc Zyngier)
* tag 'pci-v6.16-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
Revert "PCI: ecam: Allow cfg->priv to be pre-populated from the root port device"
PCI: host-generic: Set driver_data before calling gen_pci_init()
PCI: apple: Add tracking of probed root ports
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Pull drm fixes from Simona Vetter:
"Cross-subsystem Changes:
- agp/amd64 binding dmesg noise regression fix
Core Changes:
- fix race in gem_handle_create_tail
- fixup handle_count fb refcount regression from -rc5, popular with
reports ...
- call rust dtor for drm_device release
Driver Changes:
- nouveau: magic 50ms suspend fix, acpi leak fix
- tegra: dma api error in nvdec
- pvr: fix device reset
- habanalbs maintainer update
- intel display: fix some dsi mipi sequences
- xe fixes: SRIOV fixes, small GuC fixes, disable indirect ring due
to issues, compression fix for fragmented BO, doc update
* tag 'drm-fixes-2025-07-12' of https://gitlab.freedesktop.org/drm/kernel: (22 commits)
drm/xe/guc: Default log level to non-verbose
drm/xe/bmg: Don't use WA 16023588340 and 22019338487 on VF
drm/xe/guc: Recommend GuC v70.46.2 for BMG, LNL, DG2
drm/xe/pm: Correct comment of xe_pm_set_vram_threshold()
drm/xe: Release runtime pm for error path of xe_devcoredump_read()
drm/xe/pm: Restore display pm if there is error after display suspend
drm/i915/bios: Apply vlv_fixup_mipi_sequences() to v2 mipi-sequences too
drm/gem: Fix race in drm_gem_handle_create_tail()
drm/framebuffer: Acquire internal references on GEM handles
agp/amd64: Check AGP Capability before binding to unsupported devices
drm/xe/bmg: fix compressed VRAM handling
Revert "drm/xe/xe2: Enable Indirect Ring State support for Xe2"
drm/xe: Allocate PF queue size on pow2 boundary
drm/xe/pf: Clear all LMTT pages on alloc
drm/nouveau/gsp: fix potential leak of memory used during acpi init
rust: drm: remove unnecessary imports
MAINTAINERS: Change habanalabs maintainer
drm/imagination: Fix kernel crash when hard resetting the GPU
drm/tegra: nvdec: Fix dma_alloc_coherent error check
rust: drm: device: drop_in_place() the drm::Device in release()
...
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This reverts commit 8c44dac8add7503c345c0f6c7962e4863b88ba42.
I haven't figured out what the actual bug in this commit is, but I did
spend a lot of time chasing it down and eventually succeeded in
bisecting it down to this.
For some reason, this eventpoll commit ends up causing delays and stuck
user space processes, but it only happens on one of my machines, and
only during early boot or during the flurry of initial activity when
logging in.
I must be triggering some very subtle timing issue, but once I figured
out the behavior pattern that made it reasonably reliable to trigger, it
did bisect right to this, and reverting the commit fixes the problem.
Of course, that was only after I had failed at bisecting it several
times, and had flailed around blaming both the drm people and the
netlink people for the odd problems. The most obvious of which happened
at the time of the first graphical login (the most common symptom being
that some gnome app aborted due to a 30s timeout, often leading to the
whole session then failing if it was some critical component like
gnome-shell or similar).
Acked-by: Nam Cao <namcao@linutronix.de>
Cc: Frederic Weisbecker <frederic@kernel.org>
Cc: Valentin Schneider <vschneid@redhat.com>
Cc: Christian Brauner <brauner@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fragments aren't limited by Z_EROFS_PCLUSTER_MAX_DSIZE. However, if
a fragment's logical length is larger than Z_EROFS_PCLUSTER_MAX_DSIZE
but the fragment is not the whole inode, it currently returns
-EOPNOTSUPP because m_flags has the wrong EROFS_MAP_ENCODED flag set.
It is not intended by design but should be rare, as it can only be
reproduced by mkfs with `-Eall-fragments` in a specific case.
Let's normalize fragment m_flags using the new EROFS_MAP_FRAGMENT.
Reported-by: Axel Fontaine <axel@axelfontaine.com>
Closes: https://github.com/erofs/erofs-utils/issues/23
Fixes: 7c3ca1838a78 ("erofs: restrict pcluster size limitations")
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20250711195826.3601157-1-hsiangkao@linux.alibaba.com
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Pull block fixes from Jens Axboe:
- MD changes via Yu:
- fix UAF due to stack memory used for bio mempool (Jinchao)
- fix raid10/raid1 nowait IO error path (Nigel and Qixing)
- fix kernel crash from reading bitmap sysfs entry (Håkon)
- Fix for a UAF in the nbd connect error path
- Fix for blocksize being bigger than pagesize, if THP isn't enabled
* tag 'block-6.16-20250710' of git://git.kernel.dk/linux:
block: reject bs > ps block devices when THP is disabled
nbd: fix uaf in nbd_genl_connect() error path
md/md-bitmap: fix GPF in bitmap_get_stats()
md/raid1,raid10: strip REQ_NOWAIT from member bios
raid10: cleanup memleak at raid10_make_request
md/raid1: Fix stack memory use after return in raid1_reshape
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Pull io_uring fixes from Jens Axboe:
- Remove a pointless warning in the zcrx code
- Fix for MSG_RING commands, where the allocated io_kiocb
needs to be freed under RCU as well
- Revert the work-around we had in place for the anon inodes
pretending to be regular files. Since that got reworked
upstream, the work-around is no longer needed
* tag 'io_uring-6.16-20250710' of git://git.kernel.dk/linux:
Revert "io_uring: gate REQ_F_ISREG on !S_ANON_INODE as well"
io_uring/msg_ring: ensure io_kiocb freeing is deferred for RCU
io_uring/zcrx: fix pp destruction warnings
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