When __cifs_readv() and __cifs_writev() extract pages from a user-backed
iterator into a BVEC-type iterator, they set ->bv_need_unpin to note
whether they need to unpin the pages later. However, in both cases they
examine the BVEC-type iterator and not the source iterator - and so
bv_need_unpin doesn't get set and the pages are leaked.
I think this may be responsible for the generic/208 xfstest failing
occasionally with:
WARNING: CPU: 0 PID: 3064 at mm/gup.c:218 try_grab_page+0x65/0x100
RIP: 0010:try_grab_page+0x65/0x100
follow_page_pte+0x1a7/0x570
__get_user_pages+0x1a2/0x650
__gup_longterm_locked+0xdc/0xb50
internal_get_user_pages_fast+0x17f/0x310
pin_user_pages_fast+0x46/0x60
iov_iter_extract_pages+0xc9/0x510
? __kmalloc_large_node+0xb1/0x120
? __kmalloc_node+0xbe/0x130
netfs_extract_user_iter+0xbf/0x200 [netfs]
__cifs_writev+0x150/0x330 [cifs]
vfs_write+0x2a8/0x3c0
ksys_pwrite64+0x65/0xa0
with the page refcount going negative. This is less unlikely than it seems
because the page is being pinned, not simply got, and so the refcount
increased by 1024 each time, and so only needs to be called around ~2097152
for the refcount to go negative.
Further, the test program (aio-dio-invalidate-failure) uses a 32MiB static
buffer and all the PTEs covering it refer to the same page because it's
never written to.
The warning in try_grab_page():
if (WARN_ON_ONCE(folio_ref_count(folio) <= 0))
return -ENOMEM;
then trips and prevents us ever using the page again for DIO at least.
Fixes: d08089f649 ("cifs: Change the I/O paths to use an iterator rather than a page list")
Reported-by: Murphy Zhou <jencce.kernel@gmail.com>
Link: https://lore.kernel.org/r/CAH2r5mvaTsJ---n=265a4zqRA7pP+o4MJ36WCQUS6oPrOij8cw@mail.gmail.com
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Rohith Surabattula <rohiths.msft@gmail.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Make sure to get an up-to-date TCP_Server_Info::nr_targets value prior
to waiting the server to be reconnected in cifs_reconnect_tcon(). It
is set in cifs_tcp_ses_needs_reconnect() and protected by
TCP_Server_Info::srv_lock.
Create a new cifs_wait_for_server_reconnect() helper that can be used
by both SMB2+ and CIFS reconnect code.
Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Do not map STATUS_OBJECT_NAME_INVALID to -EREMOTE under non-DFS
shares, or 'nodfs' mounts or CONFIG_CIFS_DFS_UPCALL=n builds.
Otherwise, in the slow path, get a referral to figure out whether it
is an actual DFS link.
This could be simply reproduced under a non-DFS share by running the
following
$ mount.cifs //srv/share /mnt -o ...
$ cat /mnt/$(printf '\U110000')
cat: '/mnt/'$'\364\220\200\200': Object is remote
Fixes: c877ce47e1 ("cifs: reduce roundtrips on create/qinfo requests")
CC: stable@vger.kernel.org # 6.2
Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Fix the loop check in netfs_extract_user_to_sg() for extraction from
user-backed iterators to do the body if npages > 0, not if npages < 0
(which it can never be).
This isn't currently used by cifs, which only ever extracts data from BVEC,
KVEC and XARRAY iterators at this level, user-backed iterators having being
decanted into BVEC iterators at a higher level to accommodate the work
being done in a kernel thread.
Found by smatch:
fs/netfs/iterator.c:139 netfs_extract_user_to_sg() warn: unsigned 'npages' is never less than zero.
Fixes: 0185846975 ("netfs: Add a function to extract an iterator into a scatterlist")
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/oe-kbuild-all/202302261115.P3TQi1ZO-lkp@intel.com/
Reported-by: Dan Carpenter <error27@gmail.com>
Link: https://lore.kernel.org/r/Y/yYnAhoAYDBKixX@kili
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: linux-cachefs@redhat.com
Signed-off-by: Steve French <stfrench@microsoft.com>
cifs_write_back_from_locked_folio() should return the number of bytes read,
but returns the result of ->async_writev(), which will be 0 on success. As
it happens, this doesn't prevent cifs_writepages_region() from working as
it will then examine and ignore the pages that are no longer dirty rather
than just skipping over them.
Fixes: d08089f649 ("cifs: Change the I/O paths to use an iterator rather than a page list")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Rohith Surabattula <rohiths.msft@gmail.com>
cc: Tom Talpey <tom@talpey.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
We have two pieces of code that does pretty much the same
comparison. This change reuses cifs_match_ipaddr within
match_address.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
match_address function matches the scope id for ipv6 addresses,
but cifs_match_ipaddr (which is another function used for comparison)
does not use scope id. Doing so with this change.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Fix an uninitialised variable introduced in cifs.
Fixes: 3d78fe73fa ("cifs: Build the RDMA SGE list directly from an iterator")
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
cc: Steve French <sfrench@samba.org>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Rohith Surabattula <rohiths.msft@gmail.com>
cc: Tom Talpey <tom@talpey.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: linux-rdma@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
The xas_for_each loops added into fs/cifs/file.c need to go round again if
indicated by xas_retry().
Fixes: b8713c4dbf ("cifs: Add some helper functions")
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Rohith Surabattula <rohiths.msft@gmail.com>
cc: Tom Talpey <tom@talpey.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Applications need to be able to program the SBI implementation specific
or custom firmware events in addition to the standard firmware events.
Remove a check in the driver that prohibits the programming of the custom
firmware events.
Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20230208074314.3661406-1-mchitale@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
- Make new GSS Kerberos Kunit tests work on non-x86 platforms
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Merge tag 'nfsd-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fix from Chuck Lever:
- Make new GSS Kerberos Kunit tests work on non-x86 platforms
* tag 'nfsd-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
SUNRPC: Properly terminate test case arrays
SUNRPC: Let Kunit tests run with some enctypes compiled out
Commit f05f62d042 ("s390/vmem: get rid of memory segment list")
reshuffled the call to vmem_add_mapping() in __segment_load(), which now
overwrites rc after it was set to contain the segment type code.
As result, __segment_load() will now always return 0 on success, which
corresponds to the segment type code SEG_TYPE_SW, i.e. a writeable
segment. This results in a kernel crash when loading a read-only segment
as dcssblk block device, and trying to write to it.
Instead of reshuffling code again, make sure to return the segment type
on success, and also describe this rather delicate and unexpected logic
in the function comment. Also initialize new segtype variable with
invalid value, to prevent possible future confusion.
Fixes: f05f62d042 ("s390/vmem: get rid of memory segment list")
Cc: <stable@vger.kernel.org> # 5.9+
Signed-off-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
The argument to do_div() is a 32-bit integer, and it was read from a
32-bit register so there is no point in doing a 64-bit division on it.
On 32-bit arm, do_div() causes a compile-time warning here:
include/asm-generic/div64.h:238:22: error: passing argument 1 of '__div64_32' from incompatible pointer type [-Werror=incompatible-pointer-types]
238 | __rem = __div64_32(&(n), __base); \
| ^~~~
| |
| unsigned int *
drivers/power/supply/qcom_battmgr.c:1130:4: note: in expansion of macro 'do_div'
1130 | do_div(battmgr->status.percent, 100);
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The of_iomap() function returns NULL if it fails. It never returns
error pointers. Fix the check accordingly.
Fixes: 6286bbb405 ("cpufreq: apple-soc: Add new driver to control Apple SoC CPU P-states")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Eric Curtin <ecurtin@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
REGMAP is a hidden (not user visible) symbol. Users cannot set it
directly thru "make *config", so drivers should select it instead of
depending on it if they need it.
Consistently using "select" or "depends on" can also help reduce
Kconfig circular dependency issues.
Therefore, change the use of "depends on REGMAP" to "select REGMAP".
Fixes: b474303ffd ("thermal: add Intel BXT WhiskeyCove PMIC thermal driver")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
If alloc_soc_dts() fails, then we can just return. Trying to free
"soc_dts" will lead to an Oops.
Fixes: 8c18769396 ("thermal: intel Quark SoC X1000 DTS thermal driver")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
commit 018d6711c2 ("ACPI: x86: Add a quirk for Dell Inspiron 14 2-in-1
for StorageD3Enable") introduced a quirk to allow a system with ambiguous
use of _ADR 0 to force StorageD3Enable.
It was reported that several more Dell systems suffered the same symptoms.
As the list is continuing to grow but these are all Cezanne systems,
instead add Cezanne to the CPU list to apply the StorageD3Enable property
and remove the whole list.
It was also reported that an HP system only has StorageD3Enable on the ACPI
device for the first NVME disk, not the second.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217003
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216773
Reported-by: David Alvarez Lombardi <dqalombardi@proton.me>
Reported-by: dbilios@stdio.gr
Reported-and-tested-by: Elvis Angelaccio <elvis.angelaccio@kde.org>
Tested-by: victor.bonnelle@proton.me
Tested-by: hurricanepootis@protonmail.com
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Back in 2008 we extended the capability bits from 32 to 64, and we did
it by extending the single 32-bit capability word from one word to an
array of two words. It was then obfuscated by hiding the "2" behind two
macro expansions, with the reasoning being that maybe it gets extended
further some day.
That reasoning may have been valid at the time, but the last thing we
want to do is to extend the capability set any more. And the array of
values not only causes source code oddities (with loops to deal with
it), but also results in worse code generation. It's a lose-lose
situation.
So just change the 'u32[2]' into a 'u64' and be done with it.
We still have to deal with the fact that the user space interface is
designed around an array of these 32-bit values, but that was the case
before too, since the array layouts were different (ie user space
doesn't use an array of 32-bit values for individual capability masks,
but an array of 32-bit slices of multiple masks).
So that marshalling of data is actually simplified too, even if it does
remain somewhat obscure and odd.
This was all triggered by my reaction to the new "cap_isidentical()"
introduced recently. By just using a saner data structure, it went from
unsigned __capi;
CAP_FOR_EACH_U32(__capi) {
if (a.cap[__capi] != b.cap[__capi])
return false;
}
return true;
to just being
return a.val == b.val;
instead. Which is rather more obvious both to humans and to compilers.
Cc: Mateusz Guzik <mjguzik@gmail.com>
Cc: Casey Schaufler <casey@schaufler-ca.com>
Cc: Serge Hallyn <serge@hallyn.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Paul Moore <paul@paul-moore.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- sh: clk: Fix clk_enable() to return 0 on NULL clk
- sh: intc: Avoid spurious sizeof-pointer-div warning
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Merge tag 'sh-for-v6.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux
Pull sh updates from John Paul Adrian Glaubitz:
- regression fix in connection with the rtl8169 driver on SuperH boards
that was introduced when the driver was switched to use
devm_clk_get_optional_enabled() to simplify the code (Geert
Uytterhoeven)
- build warning fix to allow the kernel to be built with CONFIG_WERROR
enabled (Michael Karcher)
* tag 'sh-for-v6.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux:
sh: clk: Fix clk_enable() to return 0 on NULL clk
sh: intc: Avoid spurious sizeof-pointer-div warning
1, Make -mstrict-align configurable;
2, Add kernel relocation and KASLR support;
3, Add single kernel image implementation for kdump;
4, Add hardware breakpoints/watchpoints support;
5, Add kprobes/kretprobes/kprobes_on_ftrace support;
6, Add LoongArch support for some selftests.
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Merge tag 'loongarch-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch updates from Huacai Chen:
- Make -mstrict-align configurable
- Add kernel relocation and KASLR support
- Add single kernel image implementation for kdump
- Add hardware breakpoints/watchpoints support
- Add kprobes/kretprobes/kprobes_on_ftrace support
- Add LoongArch support for some selftests.
* tag 'loongarch-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: (23 commits)
selftests/ftrace: Add LoongArch kprobe args string tests support
selftests/seccomp: Add LoongArch selftesting support
tools: Add LoongArch build infrastructure
samples/kprobes: Add LoongArch support
LoongArch: Mark some assembler symbols as non-kprobe-able
LoongArch: Add kprobes on ftrace support
LoongArch: Add kretprobes support
LoongArch: Add kprobes support
LoongArch: Simulate branch and PC* instructions
LoongArch: ptrace: Add hardware single step support
LoongArch: ptrace: Add function argument access API
LoongArch: ptrace: Expose hardware breakpoints to debuggers
LoongArch: Add hardware breakpoints/watchpoints support
LoongArch: kdump: Add crashkernel=YM handling
LoongArch: kdump: Add single kernel image implementation
LoongArch: Add support for kernel address space layout randomization (KASLR)
LoongArch: Add support for kernel relocation
LoongArch: Add la_abs macro implementation
LoongArch: Add JUMP_VIRT_ADDR macro implementation to avoid using la.abs
LoongArch: Use la.pcrel instead of la.abs when it's trivially possible
...
- Add support for rust (yay!)
- Add support for LTO
- Add platform bus support to virtio-pci
- Various virtio fixes
- Coding style, spelling cleanups
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Merge tag 'uml-for-linus-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux
Pull UML updates from Richard Weinberger:
- Add support for rust (yay!)
- Add support for LTO
- Add platform bus support to virtio-pci
- Various virtio fixes
- Coding style, spelling cleanups
* tag 'uml-for-linus-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux: (27 commits)
Documentation: rust: Fix arch support table
uml: vector: Remove unused definitions VECTOR_{WRITE,HEADERS}
um: virt-pci: properly remove PCI device from bus
um: virtio_uml: move device breaking into workqueue
um: virtio_uml: mark device as unregistered when breaking it
um: virtio_uml: free command if adding to virtqueue failed
UML: define RUNTIME_DISCARD_EXIT
virt-pci: add platform bus support
um-virt-pci: Make max delay configurable
um: virt-pci: implement pcibios_get_phb_of_node()
um: Support LTO
um: put power options in a menu
um: Use CFLAGS_vmlinux
um: Prevent building modules incompatible with MODVERSIONS
um: Avoid pcap multiple definition errors
um: Make the definition of cpu_data more compatible
x86: um: vdso: Add '%rcx' and '%r11' to the syscall clobber list
rust: arch/um: Add support for CONFIG_RUST under x86_64 UML
rust: arch/um: Disable FP/SIMD instruction to match x86
rust: arch/um: Use 'pie' relocation mode under UML
...
We only use one, and it's io_poll_wake(). Hardwire that in the initial
init, as well as in __io_queue_proc() if we're setting up for double
poll.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
JFFS2:
- Fix memory corruption in error path
- Spelling and coding style fixes
UBI:
- Switch to BLK_MQ_F_BLOCKING in ubiblock
- Wire up partent device (for sysfs)
- Multiple UAF bugfixes
- Fix for an infinite loop in WL error path
UBIFS:
- Fix for multiple memory leaks in error paths
- Fixes for wrong space accounting
- Minor cleanups
- Spelling and coding style fixes
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Merge tag 'ubifs-for-linus-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
Pull jffs2, ubi and ubifs updates from Richard Weinberger:
"JFFS2:
- Fix memory corruption in error path
- Spelling and coding style fixes
UBI:
- Switch to BLK_MQ_F_BLOCKING in ubiblock
- Wire up partent device (for sysfs)
- Multiple UAF bugfixes
- Fix for an infinite loop in WL error path
UBIFS:
- Fix for multiple memory leaks in error paths
- Fixes for wrong space accounting
- Minor cleanups
- Spelling and coding style fixes"
* tag 'ubifs-for-linus-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs: (36 commits)
ubi: block: Fix a possible use-after-free bug in ubiblock_create()
ubifs: make kobj_type structures constant
mtd: ubi: block: wire-up device parent
mtd: ubi: wire-up parent MTD device
ubi: use correct names in function kernel-doc comments
ubi: block: set BLK_MQ_F_BLOCKING
jffs2: Fix list_del corruption if compressors initialized failed
jffs2: Use function instead of macro when initialize compressors
jffs2: fix spelling mistake "neccecary"->"necessary"
ubifs: Fix kernel-doc
ubifs: Fix some kernel-doc comments
UBI: Fastmap: Fix kernel-doc
ubi: ubi_wl_put_peb: Fix infinite loop when wear-leveling work failed
ubi: Fix UAF wear-leveling entry in eraseblk_count_seq_show()
ubi: fastmap: Fix missed fm_anchor PEB in wear-leveling after disabling fastmap
ubifs: ubifs_releasepage: Remove ubifs_assert(0) to valid this process
ubifs: ubifs_writepage: Mark page dirty after writing inode failed
ubifs: dirty_cow_znode: Fix memleak in error handling path
ubifs: Re-statistic cleaned znode count if commit failed
ubi: Fix permission display of the debugfs files
...
Here is the 9p patches for the 6.3 merge window combining
the tested and reviewed patches from both Dominique's
for-next tree and my for-next tree. Most of these
patches have been in for-next since December with only
some reword in the description:
- some fixes and cleanup setting up for a larger set
of performance patches I've been working on
- a contributed fixes relating to 9p/rdma
- some contributed fixes relating to 9p/xen
I've marked this as part 1, I'm not sure I'll be
submitting part 2. There were several performance
patches that I wanted to get in, but the revisions
after review only went out last week so while they
have been tested, I haven't received reviews on the
revisions.
Its been about a decade since I've submitted a pull
request, sorry if I messed anything up.
-eric
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Merge tag '9p-6.3-for-linus-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs
Pull 9p updates from Eric Van Hensbergen:
- some fixes and cleanup setting up for a larger set of performance
patches I've been working on
- a contributed fixes relating to 9p/rdma
- some contributed fixes relating to 9p/xen
* tag '9p-6.3-for-linus-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
fs/9p: fix error reporting in v9fs_dir_release
net/9p: fix bug in client create for .L
9p/rdma: unmap receive dma buffer in rdma_request()/post_recv()
9p/xen: fix connection sequence
9p/xen: fix version parsing
fs/9p: Expand setup of writeback cache to all levels
net/9p: Adjust maximum MSIZE to account for p9 header
- Handle vendor extension and allocation entries as unrecognized benign secondary entries.
- Fix wrong ->i_blocks on devices with non-512 byte sector.
- Add the check to avoid returning -EIO from exfat_readdir() at current position exceeding the directory size.
- Fix a bug that reach the end of the directory stream at a position not aligned with the dentry size.
- Redefine DIR_DELETED as 0xFFFFFFF7, the bad cluster number.
- Two cleanup fixes and fix cluster leakage in error handling.
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Merge tag 'exfat-for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat
Pull exfat updates from Namjae Jeon:
- Handle vendor extension and allocation entries as unrecognized benign
secondary entries
- Fix wrong ->i_blocks on devices with non-512 byte sector
- Add the check to avoid returning -EIO from exfat_readdir() at current
position exceeding the directory size
- Fix a bug that reach the end of the directory stream at a position
not aligned with the dentry size
- Redefine DIR_DELETED as 0xFFFFFFF7, the bad cluster number
- Two cleanup fixes and fix cluster leakage in error handling
* tag 'exfat-for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
exfat: fix the newly allocated clusters are not freed in error handling
exfat: don't print error log in normal case
exfat: remove unneeded code from exfat_alloc_cluster()
exfat: handle unreconized benign secondary entries
exfat: fix inode->i_blocks for non-512 byte sector size device
exfat: redefine DIR_DELETED as the bad cluster number
exfat: fix reporting fs error when reading dir beyond EOF
exfat: fix unexpected EOF while reading dir
- don't access released socket during error recovery (Akinobu Mita)
- bring back auto-removal of deleted namespaces during sequential scan
(Christoph Hellwig)
- fix an error code in nvme_auth_process_dhchap_challenge
(Dan Carpenter)
- show well known discovery name (Daniel Wagner)
- add a missing endianess conversion in effects masking (Keith Busch)
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Merge tag 'nvme-6.3-2022-03-01' of git://git.infradead.org/nvme into for-6.3/block
Pull NVMe fixes from Christoph:
"nvme fixes for Linux 6.3
- don't access released socket during error recovery (Akinobu Mita)
- bring back auto-removal of deleted namespaces during sequential scan
(Christoph Hellwig)
- fix an error code in nvme_auth_process_dhchap_challenge
(Dan Carpenter)
- show well known discovery name (Daniel Wagner)
- add a missing endianess conversion in effects masking (Keith Busch)"
* tag 'nvme-6.3-2022-03-01' of git://git.infradead.org/nvme:
nvme-fabrics: show well known discovery name
nvme-tcp: don't access released socket during error recovery
nvme-auth: fix an error code in nvme_auth_process_dhchap_challenge()
nvme: bring back auto-removal of deleted namespaces during sequential scan
nvme: fix sparse warning on effects masking
In etdm dai driver, dai_etdm_parse_of() function is used to parse dts
properties to get parameters. There are two for-loops which are
sepearately for all etdm and etdm input only cases. In etdm in only
loop, dai_id is not initialized, so it keeps the value intiliazed in
another loop.
In the patch, add the missing initialization to fix the unexpected
parsing problem.
Fixes: 1de9a54aca ("ASoC: mediatek: mt8195: support etdm in platform driver")
Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230301110200.26177-3-trevor.wu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
In etdm dai driver, dai_etdm_parse_of() function is used to parse dts
properties to get parameters. There are two for-loops which are
sepearately for all etdm and etdm input only cases. In etdm in only
loop, dai_id is not initialized, so it keeps the value intiliazed in
another loop.
In the patch, add the missing initialization to fix the unexpected
parsing problem.
Fixes: 2babb47774 ("ASoC: mediatek: mt8188: support etdm in platform driver")
Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230301110200.26177-2-trevor.wu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Commit
47894e0fa6 ("virt/sev-guest: Prevent IV reuse in the SNP guest driver")
changed the behavior associated with the return value when the caller
does not supply a large enough certificate buffer. Prior to the commit a
value of -EIO was returned. Now, 0 is returned. This breaks the
established ABI with the user.
Change the code to detect the buffer size error and return -EIO.
Fixes: 47894e0fa6 ("virt/sev-guest: Prevent IV reuse in the SNP guest driver")
Reported-by: Larry Dewey <larry.dewey@amd.com>
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Larry Dewey <larry.dewey@amd.com>
Cc: <stable@kernel.org>
Link: https://lore.kernel.org/r/2afbcae6daf13f7ad5a4296692e0a0fe1bc1e4ee.1677083979.git.thomas.lendacky@amd.com
The Zbb optimized strncmp has two parts; a fast path that does XLEN/8B
per iteration, and a slow that does one byte per iteration.
The idea is to compare aligned XLEN chunks for most of strings, and do
the remainder tail in the slow path.
The Zbb strncmp has two issues in the fast path:
Incorrect remainder handling (wrong compare): Assume that the string
length is 9. On 64b systems, the fast path should do one iteration,
and one iteration in the slow path. Instead, both were done in the
fast path, which lead to incorrect results. An example:
strncmp("/dev/vda", "/dev/", 5);
Correct by changing "bgt" to "bge".
Missing NULL checks in the second string: This could lead to incorrect
results for:
strncmp("/dev/vda", "/dev/vda\0", 8);
Correct by adding an additional check.
Fixes: b6fcdb191e ("RISC-V: add zbb support to string functions")
Suggested-by: Heiko Stuebner <heiko.stuebner@vrull.eu>
Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
Tested-by: Conor Dooley <conor.dooley@microchip.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230228184211.1585641-1-bjorn@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
* Fix a deadlock in the free space allocator due to the AG-walking
algorithm forgetting to follow AG-order locking rules.
* Make the inode allocator prefer existing free inodes instead of
failing to allocate new inode chunks when free space is low.
* Set minleft correctly when setting allocator parameters for bmap
changes.
* Fix uninitialized variable access in the getfsmap code.
* Make a distinction between active and passive per-AG structure
references. For now, active references are taken to perform some
work in an AG on behalf of a high level operation; passive references
are used by lower level code to finish operations started by other
threads. Eventually this will become part of online shrink.
* Split out all the different allocator strategies into separate
functions to move us away from design antipattern of filling out a
huge structure for various differentish things and issuing a single
function multiplexing call.
* Various cleanups in the filestreams allocator code, which we might
very well want to deprecate instead of continuing.
* Fix a bug with the agi rotor code that was introduced earlier in this
series.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'xfs-6.3-merge-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull moar xfs updates from Darrick Wong:
"This contains a fix for a deadlock in the allocator. It continues the
slow march towards being able to offline AGs, and it refactors the
interface to the xfs allocator to be less indirection happy.
Summary:
- Fix a deadlock in the free space allocator due to the AG-walking
algorithm forgetting to follow AG-order locking rules
- Make the inode allocator prefer existing free inodes instead of
failing to allocate new inode chunks when free space is low
- Set minleft correctly when setting allocator parameters for bmap
changes
- Fix uninitialized variable access in the getfsmap code
- Make a distinction between active and passive per-AG structure
references. For now, active references are taken to perform some
work in an AG on behalf of a high level operation; passive
references are used by lower level code to finish operations
started by other threads. Eventually this will become part of
online shrink
- Split out all the different allocator strategies into separate
functions to move us away from design antipattern of filling out a
huge structure for various differentish things and issuing a single
function multiplexing call
- Various cleanups in the filestreams allocator code, which we might
very well want to deprecate instead of continuing
- Fix a bug with the agi rotor code that was introduced earlier in
this series"
* tag 'xfs-6.3-merge-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (44 commits)
xfs: restore old agirotor behavior
xfs: fix uninitialized variable access
xfs: refactor the filestreams allocator pick functions
xfs: return a referenced perag from filestreams allocator
xfs: pass perag to filestreams tracing
xfs: use for_each_perag_wrap in xfs_filestream_pick_ag
xfs: track an active perag reference in filestreams
xfs: factor out MRU hit case in xfs_filestream_select_ag
xfs: remove xfs_filestream_select_ag() longest extent check
xfs: merge new filestream AG selection into xfs_filestream_select_ag()
xfs: merge filestream AG lookup into xfs_filestream_select_ag()
xfs: move xfs_bmap_btalloc_filestreams() to xfs_filestreams.c
xfs: use xfs_bmap_longest_free_extent() in filestreams
xfs: get rid of notinit from xfs_bmap_longest_free_extent
xfs: factor out filestreams from xfs_bmap_btalloc_nullfb
xfs: convert trim to use for_each_perag_range
xfs: convert xfs_alloc_vextent_iterate_ags() to use perag walker
xfs: move the minimum agno checks into xfs_alloc_vextent_check_args
xfs: fold xfs_alloc_ag_vextent() into callers
xfs: move allocation accounting to xfs_alloc_vextent_set_fsbno()
...
Subsystem:
- transfer pid from boardinfo to device info
Drivers:
- dw-i3c-master: stop hardcoding initial speed
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Merge tag 'i3c/for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull i3c updates from Alexandre Belloni:
"Subsystem:
- transfer pid from boardinfo to device info
Drivers:
- dw-i3c-master: stop hardcoding initial speed"
* tag 'i3c/for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
i3c: master: dw: stop hardcoding initial speed
i3c: transfer pid from boardinfo to device info
but which I didn't get merged for the first round:
- A recommendation from Thorsten (also akpm) on use of Link tags to point
out problem reports.
- Some front-page formatting tweaks
- Another Spanish translation
- One typo(ish) fix.
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Merge tag 'docs-6.3-2' of git://git.lwn.net/linux
Pull Documentation stragglers from Jonathan Corbet:
"A handful of documentation patches that were ready before the merge
window, but which I didn't get merged for the first round:
- A recommendation from Thorsten (also akpm) on use of Link tags to
point out problem reports
- Some front-page formatting tweaks
- Another Spanish translation
- One typo(ish) fix"
* tag 'docs-6.3-2' of git://git.lwn.net/linux:
docs: recommend using Link: whenever using Reported-by:
Documentation: front page: use recommended heading adornments
docs/sp_SP: Add process programming-language translation
docs: locking: refer to the actual existing config names
Bus-speed could be default(12.5MHz) or defined by users in dts.
Dw-i3c-master should not hard-code the initial speed to be
I3C_BUS_TYP_I3C_SCL_RATE (12.5MHz)
And because of Synopsys's I3C controller limit (hcnt/lcnt register
length) and core-clk provided, there is a limit to bus speed, too.
For example, when core-clk is 250 MHz, the bus speed cannot be
lowered below 1MHz.
Tested: tested with an i3c sensor and captured with a logic analyzer.
Signed-off-by: Jack Chen <zenghuchen@google.com>
Link: https://lore.kernel.org/r/20230216151057.293764-1-zenghuchen@google.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Clang is unable to handle the situation that a chunk of inline
assembly ends with a compat branch instruction and then compiler
generates another control transfer instruction immediately after
this compat branch. The later instruction will end up in forbidden
slot and cause exception.
Workaround by add a option to control the use of compact branch.
Currently it's selected by CC_IS_CLANG and hopefully we can change
it to a version check in future if clang manages to fix it.
Fix boot on boston board.
Link: https://github.com/llvm/llvm-project/issues/61045
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Acked-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To allow to access system controller registers from watchdog driver code
add a phandle in the watchdog 'wdt' node. This avoid using arch dependent
operations in driver code.
Reviewed-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Watchdog nodes must use 'watchdog' for node name. When a 'make dtbs_check'
is performed the following warning appears:
wdt@100: $nodename:0: 'wdt@100' does not match '^watchdog(@.*|-[0-9a-f])?$'
Fix this warning up properly renaming the node into 'watchdog'.
Reviewed-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Since commit 8b41fc4454 ("kbuild: create modules.builtin without
Makefile.modbuiltin or tristate.conf"), MODULE_LICENSE declarations
are used to identify modules. As a consequence, uses of the macro
in non-modules will cause modprobe to misidentify their containing
object file as a module when it is not (false positives), and modprobe
might succeed rather than failing with a suitable error message.
So remove it in the files in this commit, none of which can be built as
modules.
Signed-off-by: Nick Alcock <nick.alcock@oracle.com>
Suggested-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Since commit 8b41fc4454 ("kbuild: create modules.builtin without
Makefile.modbuiltin or tristate.conf"), MODULE_LICENSE declarations
are used to identify modules. As a consequence, uses of the macro
in non-modules will cause modprobe to misidentify their containing
object file as a module when it is not (false positives), and modprobe
might succeed rather than failing with a suitable error message.
So remove it in the files in this commit, none of which can be built as
modules.
Signed-off-by: Nick Alcock <nick.alcock@oracle.com>
Suggested-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There was a quirk in `acpi/x86/s2idle.c` for an HP Elitebook G9
platforms to force AMD GUID codepath instead of Microsoft codepath.
This was due to a bug with WCN6855 WLAN firmware interaction with
the system.
This bug is fixed by WCN6855 firmware:
WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.23
Remove the quirk as it's no longer necessary with this firmware.
Link: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=c7a57ef688f7d99d8338a5d8edddc8836ff0e6de
Tested-by: Anson Tsao <anson.tsao@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Merge series from Mark Brown <broonie@kernel.org>:
This is a collection of fixes I came up after glancing through an
initial test run with the snappily named Kukui Jacuzzi SKU16 Chromebook
on KernelCI. There are more issues flagged, this is just what I fixed
thus far.
Merge series from Claudiu Beznea <claudiu.beznea@microchip.com>:
To start capture on Microchip PDMC the enable bits for each supported
microphone need to be set. After this bit is set the PDMC starts to
receive data from microphones and it considers this data as valid data.
Thus if microphones are not ready the PDMC captures anyway data from its
lines. This data is interpreted by the human ear as poc noises.
To avoid this the following software workaround need to be applied when
starting capture:
1/ enable PDMC channel
2/ wait 150ms
3/ execute 16 dummy reads from RHR
4/ clear interrupts
5/ enable interrupts
6/ enable DMA channel
For this workaround to work step 6 need to be executed at the end.
For step 6 was added patch 1/3 from this series. With this, component
DAI driver sets its struct snd_soc_component_driver::start_dma_last = 1
and proper action is taken based on this flag when starting DAI trigger
vs DMA.
Merge series from Mark Brown <broonie@kernel.org>:
This is a collection of fixes I came up after glancing through an
initial test run with the snappily named Kukui Jacuzzi SKU16 Chromebook
on KernelCI. There are more issues flagged, this is just what I fixed
thus far.
Merge series from Mark Brown <broonie@kernel.org>:
This is a collection of fixes I came up after glancing through an
initial test run with the Spherion Chromebook on KernelCI. There are
more issues flagged, this is just what I fixed thus far - the volume
controls on the MT6359 have issues for example, and a lot of controls
aren't marked as Switches like they should be.
This rather small set of changes includes some minor fixes and
improvements. The AB8500 driver gained support for reading the initial
hardware state and the Synopsys DesignWare driver received some work to
prepare for device tree and platform support.
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Merge tag 'pwm/for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This rather small set of changes includes some minor fixes and
improvements.
The AB8500 driver gained support for reading the initial hardware
state and the Synopsys DesignWare driver received some work to prepare
for device tree and platform support"
* tag 'pwm/for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: dwc: Use devm_pwmchip_add()
pwm: dwc: Move memory allocation to own function
pwm: dwc: Change &pci->dev to dev in probe
dt-bindings: pwm: Document Synopsys DesignWare snps,pwm-dw-apb-timers-pwm2
pwm: iqs620a: Replace one remaining instance of regmap_update_bits()
pwm: ab8500: Implement .get_state()
pwm: ab8500: Fix calculation of duty and period
pwm: lp3943: Drop unused i2c include
dt-bindings: pwm: mediatek: Convert pwm-mediatek to DT schema
pwm: stm32-lp: fix the check on arr and cmp registers update
pwm: Move pwm_capture() dummy to restore order
pwm: sifive: Always let the first pwm_apply_state succeed
direct I/O writes to preallocated blocks by using a shared inode lock
instead of taking an exclusive lock.
In addition, multiple bug fixes and cleanups.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"Improve performance for ext4 by allowing multiple process to perform
direct I/O writes to preallocated blocks by using a shared inode lock
instead of taking an exclusive lock.
In addition, multiple bug fixes and cleanups"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix incorrect options show of original mount_opt and extend mount_opt2
ext4: Fix possible corruption when moving a directory
ext4: init error handle resource before init group descriptors
ext4: fix task hung in ext4_xattr_delete_inode
jbd2: fix data missing when reusing bh which is ready to be checkpointed
ext4: update s_journal_inum if it changes after journal replay
ext4: fail ext4_iget if special inode unallocated
ext4: fix function prototype mismatch for ext4_feat_ktype
ext4: remove unnecessary variable initialization
ext4: fix inode tree inconsistency caused by ENOMEM
ext4: refuse to create ea block when umounted
ext4: optimize ea_inode block expansion
ext4: remove dead code in updating backup sb
ext4: dio take shared inode lock when overwriting preallocated blocks
ext4: don't show commit interval if it is zero
ext4: use ext4_fc_tl_mem in fast-commit replay path
ext4: improve xattr consistency checking and error reporting
Adapt the suggestions for the assembly string functions that Andrew
suggested but that I didn't manage to include into the series that
got applied.
This includes improvements to two comments, removal of unneeded labels
and moving one instruction slightly higher to contradict an
explanatory comment.
Suggested-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Heiko Stuebner <heiko.stuebner@vrull.eu>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Tested-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230208225328.1636017-3-heiko@sntech.de
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
David Howells