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JFFS2:
- Fixes for various memory issues
UBI:
- Fix for a race condition in cdev ioctl handler
UBIFS:
- Fixes for O_TMPFILE and whiteout handling
- Fixes for various memory issues
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Merge tag 'for-linus-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
Pull JFFS2, UBI and UBIFS updates from Richard Weinberger:
"JFFS2:
- Fixes for various memory issues
UBI:
- Fix for a race condition in cdev ioctl handler
UBIFS:
- Fixes for O_TMPFILE and whiteout handling
- Fixes for various memory issues"
* tag 'for-linus-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
ubifs: rename_whiteout: correct old_dir size computing
jffs2: fix memory leak in jffs2_scan_medium
jffs2: fix memory leak in jffs2_do_mount_fs
jffs2: fix use-after-free in jffs2_clear_xattr_subsystem
fs/jffs2: fix comments mentioning i_mutex
ubi: fastmap: Return error code if memory allocation fails in add_aeb()
ubifs: Fix to add refcount once page is set private
ubifs: Fix read out-of-bounds in ubifs_wbuf_write_nolock()
ubifs: setflags: Make dirtied_ino_d 8 bytes aligned
ubifs: Rectify space amount budget for mkdir/tmpfile operations
ubifs: Fix 'ui->dirty' race between do_tmpfile() and writeback work
ubifs: Rename whiteout atomically
ubifs: Add missing iput if do_tmpfile() failed in rename whiteout
ubifs: Fix wrong number of inodes locked by ui_mutex in ubifs_inode comment
ubifs: Fix deadlock in concurrent rename whiteout and inode writeback
ubifs: rename_whiteout: Fix double free for whiteout_ui->data
ubi: Fix race condition between ctrl_cdev_ioctl and ubi_cdev_ioctl
When list_for_each_entry() completes the iteration over the whole list
without breaking the loop, the iterator value will be a bogus pointer
computed based on the head element.
While it is safe to use the pointer to determine if it was computed
based on the head element, either with list_entry_is_head() or
&pos->member == head, using the iterator variable after the loop should
be avoided.
In preparation to limit the scope of a list iterator to the list
traversal loop, use a dedicated pointer to point to the found element [1].
Link: https://lore.kernel.org/all/CAHk-=wgRr_D8CB-D9Kg-c=EHreAsk5SqXPwr9Y7k9sA6cWXJ6w@mail.gmail.com/ [1]
Signed-off-by: Jakob Koschel <jakobkoschel@gmail.com>
Reviewed-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com>
Link: https://lore.kernel.org/r/20220331220349.885126-2-jakobkoschel@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
In preparation to limit the scope of a list iterator to the list
traversal loop, use a dedicated pointer to iterate through the list [1].
Since that variable should not be used past the loop iteration, a
separate variable is used to 'remember the current location within the
loop'.
To either continue iterating from that position or skip the iteration
(if the previous iteration was complete) list_prepare_entry() is used.
Link: https://lore.kernel.org/all/CAHk-=wgRr_D8CB-D9Kg-c=EHreAsk5SqXPwr9Y7k9sA6cWXJ6w@mail.gmail.com/ [1]
Signed-off-by: Jakob Koschel <jakobkoschel@gmail.com>
Link: https://lore.kernel.org/r/20220331220349.885126-1-jakobkoschel@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
* To avoid deadlocks, actively cancel dlm locking requests when we give
up on them. Further dlm operations on the same lock will return
-EBUSY until the cancel has been completed, so in that case, wait and
repeat. (This is rare.)
* Lock inversion fixes in gfs2_inode_lookup() and gfs2_create_inode().
* Some more fallout from the gfs2 mmap + page fault deadlock fixes
(merge c03098d4b9).
* Various other minor bug fixes and cleanups.
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Merge tag 'gfs2-v5.17-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 fixes from Andreas Gruenbacher:
- To avoid deadlocks, actively cancel dlm locking requests when we give
up on them.
Further dlm operations on the same lock will return -EBUSY until the
cancel has been completed, so in that case, wait and repeat. (This is
rare.)
- Lock inversion fixes in gfs2_inode_lookup() and gfs2_create_inode().
- Some more fallout from the gfs2 mmap + page fault deadlock fixes
(merged in commit c03098d4b9: "Merge tag 'gfs2-v5.15-rc5-mmap-fault'").
- Various other minor bug fixes and cleanups.
* tag 'gfs2-v5.17-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: Make sure FITRIM minlen is rounded up to fs block size
gfs2: Make sure not to return short direct writes
gfs2: Remove dead code in gfs2_file_read_iter
gfs2: Fix gfs2_file_buffered_write endless loop workaround
gfs2: Minor retry logic cleanup
gfs2: Disable page faults during lockless buffered reads
gfs2: Fix should_fault_in_pages() logic
gfs2: Remove return value for gfs2_indirect_init
gfs2: Initialize gh_error in gfs2_glock_nq
gfs2: Make use of list_is_first
gfs2: Switch lock order of inode and iopen glock
gfs2: cancel timed-out glock requests
gfs2: Expect -EBUSY after canceling dlm locking requests
gfs2: gfs2_setattr_size error path fix
gfs2: assign rgrp glock before compute_bitstructs
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Merge tag 'netfs-prep-20220318' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull netfs updates from David Howells:
"Netfs prep for write helpers.
Having had a go at implementing write helpers and content encryption
support in netfslib, it seems that the netfs_read_{,sub}request
structs and the equivalent write request structs were almost the same
and so should be merged, thereby requiring only one set of
alloc/get/put functions and a common set of tracepoints.
Merging the structs also has the advantage that if a bounce buffer is
added to the request struct, a read operation can be performed to fill
the bounce buffer, the contents of the buffer can be modified and then
a write operation can be performed on it to send the data wherever it
needs to go using the same request structure all the way through. The
I/O handlers would then transparently perform any required crypto.
This should make it easier to perform RMW cycles if needed.
The potentially common functions and structs, however, by their names
all proclaim themselves to be associated with the read side of things.
The bulk of these changes alter this in the following ways:
- Rename struct netfs_read_{,sub}request to netfs_io_{,sub}request.
- Rename some enums, members and flags to make them more appropriate.
- Adjust some comments to match.
- Drop "read"/"rreq" from the names of common functions. For
instance, netfs_get_read_request() becomes netfs_get_request().
- The ->init_rreq() and ->issue_op() methods become ->init_request()
and ->issue_read(). I've kept the latter as a read-specific
function and in another branch added an ->issue_write() method.
The driver source is then reorganised into a number of files:
fs/netfs/buffered_read.c Create read reqs to the pagecache
fs/netfs/io.c Dispatchers for read and write reqs
fs/netfs/main.c Some general miscellaneous bits
fs/netfs/objects.c Alloc, get and put functions
fs/netfs/stats.c Optional procfs statistics.
and future development can be fitted into this scheme, e.g.:
fs/netfs/buffered_write.c Modify the pagecache
fs/netfs/buffered_flush.c Writeback from the pagecache
fs/netfs/direct_read.c DIO read support
fs/netfs/direct_write.c DIO write support
fs/netfs/unbuffered_write.c Write modifications directly back
Beyond the above changes, there are also some changes that affect how
things work:
- Make fscache_end_operation() generally available.
- In the netfs tracing header, generate enums from the symbol ->
string mapping tables rather than manually coding them.
- Add a struct for filesystems that uses netfslib to put into their
inode wrapper structs to hold extra state that netfslib is
interested in, such as the fscache cookie. This allows netfslib
functions to be set in filesystem operation tables and jumped to
directly without having to have a filesystem wrapper.
- Add a member to the struct added above to track the remote inode
length as that may differ if local modifications are buffered. We
may need to supply an appropriate EOF pointer when storing data (in
AFS for example).
- Pass extra information to netfs_alloc_request() so that the
->init_request() hook can access it and retain information to
indicate the origin of the operation.
- Make the ->init_request() hook return an error, thereby allowing a
filesystem that isn't allowed to cache an inode (ceph or cifs, for
example) to skip readahead.
- Switch to using refcount_t for subrequests and add tracepoints to
log refcount changes for the request and subrequest structs.
- Add a function to consolidate dispatching a read request. Similar
code is used in three places and another couple are likely to be
added in the future"
Link: https://lore.kernel.org/all/2639515.1648483225@warthog.procyon.org.uk/
* tag 'netfs-prep-20220318' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
afs: Maintain netfs_i_context::remote_i_size
netfs: Keep track of the actual remote file size
netfs: Split some core bits out into their own file
netfs: Split fs/netfs/read_helper.c
netfs: Rename read_helper.c to io.c
netfs: Prepare to split read_helper.c
netfs: Add a function to consolidate beginning a read
netfs: Add a netfs inode context
ceph: Make ceph_init_request() check caps on readahead
netfs: Change ->init_request() to return an error code
netfs: Refactor arguments for netfs_alloc_read_request
netfs: Adjust the netfs_failure tracepoint to indicate non-subreq lines
netfs: Trace refcounting on the netfs_io_subrequest struct
netfs: Trace refcounting on the netfs_io_request struct
netfs: Adjust the netfs_rreq tracepoint slightly
netfs: Split netfs_io_* object handling out
netfs: Finish off rename of netfs_read_request to netfs_io_request
netfs: Rename netfs_read_*request to netfs_io_*request
netfs: Generate enums from trace symbol mapping lists
fscache: export fscache_end_operation()
Repair kernel-doc build warnings caused by using "/**" kernel-doc
markers for comments that are not in kernel-doc format:
cpu.c:89: warning: cannot understand function prototype: 'struct riscv_isa_ext_data isa_ext_arr[] = '
cpu.c:114: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Reorder dma and dma-names property for serial node to make it compliant
with bindings.
Fixes: 6e8887f60f ("ARM: SPEAr13xx: Pass generic DW DMAC platform data from DT")
Signed-off-by: Kuldeep Singh <singh.kuldeep87k@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20220326042313.97862-3-singh.kuldeep87k@gmail.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'random-5.18-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
Pull random number generator fixes from Jason Donenfeld:
- If a hardware random number generator passes a sufficiently large
chunk of entropy to random.c during early boot, we now skip the
"fast_init" business and let it initialize the RNG.
This makes CONFIG_RANDOM_TRUST_BOOTLOADER=y actually useful.
- We already have the command line `random.trust_cpu=0/1` option for
RDRAND, which let distros enable CONFIG_RANDOM_TRUST_CPU=y while
placating concerns of more paranoid users.
Now we add `random.trust_bootloader=0/1` so that distros can
similarly enable CONFIG_RANDOM_TRUST_BOOTLOADER=y.
- Re-add a comment that got removed by accident in the recent revert.
- Add the spec-compliant ACPI CID for vmgenid, which Microsoft added to
the vmgenid spec at Ard's request during earlier review.
- Restore build-time randomness via the latent entropy plugin, which
was lost when we transitioned to using a hash function.
* tag 'random-5.18-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
random: mix build-time latent entropy into pool at init
virt: vmgenid: recognize new CID added by Hyper-V
random: re-add removed comment about get_random_{u32,u64} reseeding
random: treat bootloader trust toggle the same way as cpu trust toggle
random: skip fast_init if hwrng provides large chunk of entropy
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Merge tag 'linux-watchdog-5.18-rc1' of git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
- add support for BCM4908
- renesas_wdt: add R-Car Gen4 support
- improve watchdog_dev function documentation
- sp5100_tco: replace the cd6h/cd7h port I/O with MMIO accesses during
initialization
- several other small improvements and fixes
* tag 'linux-watchdog-5.18-rc1' of git://www.linux-watchdog.org/linux-watchdog:
Watchdog: sp5100_tco: Enable Family 17h+ CPUs
Watchdog: sp5100_tco: Add initialization using EFCH MMIO
Watchdog: sp5100_tco: Refactor MMIO base address initialization
Watchdog: sp5100_tco: Move timer initialization into function
watchdog: ixp4xx: Implement restart
watchdog: orion_wdt: support pretimeout on Armada-XP
watchdog: allow building BCM7038_WDT for BCM4908
watchdog: renesas_wdt: Add R-Car Gen4 support
dt-bindings: watchdog: renesas-wdt: Document r8a779f0 support
watchdog: Improve watchdog_dev function documentation
watchdog: aspeed: add nowayout support
watchdog: rti-wdt: Add missing pm_runtime_disable() in probe function
watchdog: imx2_wdg: Alow ping on suspend
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Merge tag 'auxdisplay-for-linus-v5.18-rc1' of https://github.com/ojeda/linux
Pull auxdisplay updates from Miguel Ojeda:
"A few auxdisplay lcd2s improvements from Andy Shevchenko"
* tag 'auxdisplay-for-linus-v5.18-rc1' of https://github.com/ojeda/linux:
auxdisplay: lcd2s: Use array size explicitly in lcd2s_gotoxy()
auxdisplay: lcd2s: Switch to i2c ->probe_new()
auxdisplay: lcd2s: use module_i2c_driver to simplify the code
auxdisplay: lcd2s: make use of device property API
auxdisplay: lcd2s: Fix multi-line comment style
vdpa generic device type support
More virtio hardening for broken devices
On the same theme, revert some virtio hotplug hardening patches -
they were misusing some interrupt flags, will have to be reverted.
RSS support in virtio-net
max device MTU support in mlx5 vdpa
akcipher support in virtio-crypto
shared IRQ support in ifcvf vdpa
a minor performance improvement in vhost
Enable virtio mem for ARM64
beginnings of advance dma support
Cleanups, fixes all over the place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
- vdpa generic device type support
- more virtio hardening for broken devices (but on the same theme,
revert some virtio hotplug hardening patches - they were misusing
some interrupt flags and had to be reverted)
- RSS support in virtio-net
- max device MTU support in mlx5 vdpa
- akcipher support in virtio-crypto
- shared IRQ support in ifcvf vdpa
- a minor performance improvement in vhost
- enable virtio mem for ARM64
- beginnings of advance dma support
- cleanups, fixes all over the place
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (33 commits)
vdpa/mlx5: Avoid processing works if workqueue was destroyed
vhost: handle error while adding split ranges to iotlb
vdpa: support exposing the count of vqs to userspace
vdpa: change the type of nvqs to u32
vdpa: support exposing the config size to userspace
vdpa/mlx5: re-create forwarding rules after mac modified
virtio: pci: check bar values read from virtio config space
Revert "virtio_pci: harden MSI-X interrupts"
Revert "virtio-pci: harden INTX interrupts"
drivers/net/virtio_net: Added RSS hash report control.
drivers/net/virtio_net: Added RSS hash report.
drivers/net/virtio_net: Added basic RSS support.
drivers/net/virtio_net: Fixed padded vheader to use v1 with hash.
virtio: use virtio_device_ready() in virtio_device_restore()
tools/virtio: compile with -pthread
tools/virtio: fix after premapped buf support
virtio_ring: remove flags check for unmap packed indirect desc
virtio_ring: remove flags check for unmap split indirect desc
virtio_ring: rename vring_unmap_state_packed() to vring_unmap_extra_packed()
net/mlx5: Add support for configuring max device MTU
...
Prior, the "input_pool_data" array needed no real initialization, and so
it was easy to mark it with __latent_entropy to populate it during
compile-time. In switching to using a hash function, this required us to
specifically initialize it to some specific state, which means we
dropped the __latent_entropy attribute. An unfortunate side effect was
this meant the pool was no longer seeded using compile-time random data.
In order to bring this back, we declare an array in rand_initialize()
with __latent_entropy and call mix_pool_bytes() on that at init, which
accomplishes the same thing as before. We make this __initconst, so that
it doesn't take up space at runtime after init.
Fixes: 6e8ec2552c ("random: use computational hash for entropy extraction")
Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Reviewed-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Commit 9c46929e79 ("ARM: implement THREAD_INFO_IN_TASK for uniprocessor
systems") started triggering an issue with smc calls hanging on boot as
VMAP_STACK is now enabled by default.
Based on discussions on the #armlinux irc channel, Arnd noticed that omaps
are using __pa() for stack for smc calls. This does not work with vmap
stack.
Let's fix the issue by changing the param arrays to use static param[5] for
each function for __pa() to work. This consumes a bit more memory compared
to adding a single static buffer, but avoids potential races with the smc
calls initializing the shared buffer. For omap_secure_dispatcher(), we need
to use a cpu specific buffer as there's nothing currently ensuring it only
gets called from cpu0.
Fixes: 9c46929e79 ("ARM: implement THREAD_INFO_IN_TASK for uniprocessor systems")
Link: https://lore.kernel.org/r/20220331171737.48211-1-tony@atomide.com
Suggested-by: Ard Biesheuvel <ardb@kernel.org>
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Let us enable profiling by default in RV32 and RV64 defconfigs so
that we can use RISC-V PMU drivers on various RISC-V platforms.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This function name was spelled incorrectly, likely to do a typo.
Signed-off-by: Wu Caize <zepan@sipeed.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
- Avoid out-of-bounds access when parsing _CPC data (Rafael Wysocki).
- Change default error code and clean up debug messages in ACPI CPPC
probe (Rafael Wysocki).
- Replace usage of found with dedicated list iterator variable in
the ACPI IPMI driver (Jakob Koschel).
- Clean up variable name confusion in APEI (Jakob Koschel).
- Make LAPIC_ADDR_OVR address readable in a message parsed during
MADT parsing (Vasant Hegde).
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Merge tag 'acpi-5.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These are fixes and cleanup on top of the previously merged ACPI
material.
Specifics:
- Avoid out-of-bounds access when parsing _CPC data (Rafael Wysocki)
- Change default error code and clean up debug messages in ACPI CPPC
probe (Rafael Wysocki)
- Replace usage of found with dedicated list iterator variable in the
ACPI IPMI driver (Jakob Koschel)
- Clean up variable name confusion in APEI (Jakob Koschel)
- Make LAPIC_ADDR_OVR address readable in a message parsed during
MADT parsing (Vasant Hegde)"
* tag 'acpi-5.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: CPPC: Change default error code and clean up debug messages in probe
ACPI: CPPC: Avoid out of bounds access when parsing _CPC data
ACPI: tables: Make LAPIC_ADDR_OVR address readable in message
ACPI: IPMI: replace usage of found with dedicated list iterator variable
ACPI, APEI: Use the correct variable for sizeof()
The per cpu boot data is only used within the cpu_ops_sbi.c. It can
be delcared as static.
Fixes: 9a2451f186 ("RISC-V: Avoid using per cpu array for ordered booting")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
fixes from Mauro and Akira; I also took the liberty of dropping in my
"messy diffstat" document.
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Merge tag 'docs-5.18-2' of git://git.lwn.net/linux
Pull more documentation updates from Jonathan Corbet:
"Some late-arriving documentation improvements.
This is mostly build-system fixes from Mauro and Akira; I also took
the liberty of dropping in my 'messy diffstat' document"
* tag 'docs-5.18-2' of git://git.lwn.net/linux:
docs: Add a document on how to fix a messy diffstat
docs: sphinx/requirements: Limit jinja2<3.1
Documentation: kunit: Fix cross-referencing warnings
scripts/kernel-doc: change the line number meta info
scripts/get_abi: change the file/line number meta info
docs: kernel_include.py: add sphinx build dependencies
docs: kernel_abi.py: add sphinx build dependencies
docs: kernel_feat.py: add build dependencies
scripts/get_feat.pl: allow output the parsed file names
docs: kfigure.py: Don't warn of missing PDF converter in 'make htmldocs'
Documentation: Fix duplicate statement about raw_spinlock_t type
- Add new environment variables, USERCFLAGS and USERLDFLAGS to allow
additional flags to be passed to user-space programs.
- Fix missing fflush() bugs in Kconfig and fixdep
- Fix a minor bug in the comment format of the .config file
- Make kallsyms ignore llvm's local labels, .L*
- Fix UAPI compile-test for cross-compiling with Clang
- Extend the LLVM= syntax to support LLVM=<suffix> form for using a
particular version of LLVm, and LLVM=<prefix> form for using custom
LLVM in a particular directory path.
- Clean up Makefiles
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Merge tag 'kbuild-v5.18-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Add new environment variables, USERCFLAGS and USERLDFLAGS to allow
additional flags to be passed to user-space programs.
- Fix missing fflush() bugs in Kconfig and fixdep
- Fix a minor bug in the comment format of the .config file
- Make kallsyms ignore llvm's local labels, .L*
- Fix UAPI compile-test for cross-compiling with Clang
- Extend the LLVM= syntax to support LLVM=<suffix> form for using a
particular version of LLVm, and LLVM=<prefix> form for using custom
LLVM in a particular directory path.
- Clean up Makefiles
* tag 'kbuild-v5.18-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: Make $(LLVM) more flexible
kbuild: add --target to correctly cross-compile UAPI headers with Clang
fixdep: use fflush() and ferror() to ensure successful write to files
arch: syscalls: simplify uapi/kapi directory creation
usr/include: replace extra-y with always-y
certs: simplify empty certs creation in certs/Makefile
certs: include certs/signing_key.x509 unconditionally
kallsyms: ignore all local labels prefixed by '.L'
kconfig: fix missing '# end of' for empty menu
kconfig: add fflush() before ferror() check
kbuild: replace $(if A,A,B) with $(or A,B)
kbuild: Add environment variables for userprogs flags
kbuild: unify cmd_copy and cmd_shipped
cppcheck returns this warning
[block/blk-wbt.h:104] -> [block/blk-wbt.c:592]:
(warning) Function 'wbt_track' argument order different:
declaration 'rq, flags, ' definition 'rqos, rq, bio'
In commit c1c80384c8 ("block: remove external dependency on wbt_flags")
wbt_track was removed for the real declaration, its stub should
have been as well.
Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20220331185458.3427454-1-trix@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
- Disable CONFIG_HARDENED_USERCOPY_PAGESPAN
- DMA: remove CMA code when not buiding CMA
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Merge tag 'hardening-v5.18-rc1-fix1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening updates from Kees Cook:
"This addresses an -Warray-bounds warning found under a few ARM
defconfigs, and disables long-broken HARDENED_USERCOPY_PAGESPAN"
* tag 'hardening-v5.18-rc1-fix1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
ARM/dma-mapping: Remove CMA code when not built with CMA
usercopy: Disable CONFIG_HARDENED_USERCOPY_PAGESPAN
Per fstrim(8) we must round up the minlen argument to the fs block size.
The current calculation doesn't take into account devices that have a
discard granularity and requested minlen less than 1 fs block, so the
value can get shifted away to zero in the translation to fs blocks.
The zero minlen passed to gfs2_rgrp_send_discards() then allows
sb_issue_discard() to be called with nr_sects == 0 which returns -EINVAL
and results in gfs2_rgrp_send_discards() returning -EIO.
Make sure minlen is never < 1 fs block by taking the max of the
requested minlen and the fs block size before comparing to the device's
discard granularity and shifting to fs blocks.
Fixes: 076f0faa76 ("GFS2: Fix FITRIM argument handling")
Signed-off-by: Andrew Price <anprice@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Features:
- kprobes: rethook: x86: replace kretprobe trampoline with rethook
Current release - regressions:
- sfc: avoid null-deref on systems without NUMA awareness
in the new queue sizing code
Current release - new code bugs:
- vxlan: do not feed vxlan_vnifilter_dump_dev with non-vxlan devices
- eth: lan966x: fix null-deref on PHY pointer in timestamp ioctl
when interface is down
Previous releases - always broken:
- openvswitch: correct neighbor discovery target mask field
in the flow dump
- wireguard: ignore v6 endpoints when ipv6 is disabled and fix a leak
- rxrpc: fix call timer start racing with call destruction
- rxrpc: fix null-deref when security type is rxrpc_no_security
- can: fix UAF bugs around echo skbs in multiple drivers
Misc:
- docs: move netdev-FAQ to the "process" section of the documentation
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull more networking updates from Jakub Kicinski:
"Networking fixes and rethook patches.
Features:
- kprobes: rethook: x86: replace kretprobe trampoline with rethook
Current release - regressions:
- sfc: avoid null-deref on systems without NUMA awareness in the new
queue sizing code
Current release - new code bugs:
- vxlan: do not feed vxlan_vnifilter_dump_dev with non-vxlan devices
- eth: lan966x: fix null-deref on PHY pointer in timestamp ioctl when
interface is down
Previous releases - always broken:
- openvswitch: correct neighbor discovery target mask field in the
flow dump
- wireguard: ignore v6 endpoints when ipv6 is disabled and fix a leak
- rxrpc: fix call timer start racing with call destruction
- rxrpc: fix null-deref when security type is rxrpc_no_security
- can: fix UAF bugs around echo skbs in multiple drivers
Misc:
- docs: move netdev-FAQ to the 'process' section of the
documentation"
* tag 'net-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (57 commits)
vxlan: do not feed vxlan_vnifilter_dump_dev with non vxlan devices
openvswitch: Add recirc_id to recirc warning
rxrpc: fix some null-ptr-deref bugs in server_key.c
rxrpc: Fix call timer start racing with call destruction
net: hns3: fix software vlan talbe of vlan 0 inconsistent with hardware
net: hns3: fix the concurrency between functions reading debugfs
docs: netdev: move the netdev-FAQ to the process pages
docs: netdev: broaden the new vs old code formatting guidelines
docs: netdev: call out the merge window in tag checking
docs: netdev: add missing back ticks
docs: netdev: make the testing requirement more stringent
docs: netdev: add a question about re-posting frequency
docs: netdev: rephrase the 'should I update patchwork' question
docs: netdev: rephrase the 'Under review' question
docs: netdev: shorten the name and mention msgid for patch status
docs: netdev: note that RFC postings are allowed any time
docs: netdev: turn the net-next closed into a Warning
docs: netdev: move the patch marking section up
docs: netdev: minor reword
docs: netdev: replace references to old archives
...
The MAX_CMA_AREAS could be set to 0, which would result in code that would
attempt to operate beyond the end of a zero-sized array. If CONFIG_CMA
is disabled, just remove this code entirely. Found when building arm
on GCC 10.x for several defconfigs (e.g. axm55xx_defconfig) under
-Warray-bounds:
arch/arm/mm/dma-mapping.c:396:22: warning: array subscript <unknown> is outside array bounds of 'struct dma_contig_early_reserve[0]' [-Warray-bounds]
396 | dma_mmu_remap[dma_mmu_remap_num].size = size;
| ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
arch/arm/mm/dma-mapping.c:389:40: note: while referencing 'dma_mmu_remap'
389 | static struct dma_contig_early_reserve dma_mmu_remap[MAX_CMA_AREAS] __initdata;
| ^~~~~~~~~~~~~
Cc: Russell King <linux@armlinux.org.uk>
Cc: Logan Gunthorpe <logang@deltatee.com>
Cc: Martin Oliveira <martin.oliveira@eideticom.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Zi Yan <ziy@nvidia.com>
Cc: Hari Bathini <hbathini@linux.ibm.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/all/6243ee60.1c69fb81.16de6.7dbf@mx.google.com/
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/lkml/20220310070041.GA24874@lst.de
Reviewed-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/lkml/9059fa71-330f-f04f-b155-2850abb72a71@redhat.com
- Missing Kconfig dependency on arm that leads to boot failure.
- x86 SLS fixes.
- Reference leak in the stm32 driver.
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Merge tag 'v5.18-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
- Missing Kconfig dependency on arm that leads to boot failure
- x86 SLS fixes
- Reference leak in the stm32 driver
* tag 'v5.18-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: x86/sm3 - Fixup SLS
crypto: x86/poly1305 - Fixup SLS
crypto: x86/chacha20 - Avoid spurious jumps to other functions
crypto: stm32 - fix reference leak in stm32_crc_remove
crypto: arm/aes-neonbs-cbc - Select generic cbc and aes
Merge IMPI driver changes, ACPI tables parsing code changes and
additional APEI changes for v5.18-rc1:
- Replace usage of found with dedicated list iterator variable
in the ACPI IPMI driver (Jakob Koschel).
- Make LAPIC_ADDR_OVR address readable in a message parsed during
MADT parsing (Vasant Hegde).
- Clean up variable name confusion in APEI (Jakob Koschel).
* acpi-ipmi:
ACPI: IPMI: replace usage of found with dedicated list iterator variable
* acpi-tables:
ACPI: tables: Make LAPIC_ADDR_OVR address readable in message
* acpi-apei:
ACPI, APEI: Use the correct variable for sizeof()
When hitting the recirculation limit, the kernel would currently log
something like this:
[ 58.586597] openvswitch: ovs-system: deferred action limit reached, drop recirc action
Which isn't all that useful to debug as we only have the interface name
to go on but can't track it down to a specific flow.
With this change, we now instead get:
[ 58.586597] openvswitch: ovs-system: deferred action limit reached, drop recirc action (recirc_id=0x9e)
Which can now be correlated with the flow entries from OVS.
Suggested-by: Frode Nordahl <frode.nordahl@canonical.com>
Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
Tested-by: Stephane Graber <stgraber@ubuntu.com>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Link: https://lore.kernel.org/r/20220330194244.3476544-1-stgraber@ubuntu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'linux-can-fixes-for-5.18-20220331' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2022-03-31
The first patch is by Oliver Hartkopp and fixes MSG_PEEK feature in
the CAN ISOTP protocol (broken in net-next for v5.18 only).
Tom Rix's patch for the mcp251xfd driver fixes the propagation of an
error value in case of an error.
A patch by me for the m_can driver fixes a use-after-free in the xmit
handler for m_can IP cores v3.0.x.
Hangyu Hua contributes 3 patches fixing the same double free in the
error path of the xmit handler in the ems_usb, usb_8dev and mcba_usb
USB CAN driver.
Pavel Skripkin contributes a patch for the mcba_usb driver to properly
check the endpoint type.
The last patch is by me and fixes a mem leak in the gs_usb, which was
introduced in net-next for v5.18.
* tag 'linux-can-fixes-for-5.18-20220331' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: gs_usb: gs_make_candev(): fix memory leak for devices with extended bit timing configuration
can: mcba_usb: properly check endpoint type
can: mcba_usb: mcba_usb_start_xmit(): fix double dev_kfree_skb in error path
can: usb_8dev: usb_8dev_start_xmit(): fix double dev_kfree_skb() in error path
can: ems_usb: ems_usb_start_xmit(): fix double dev_kfree_skb() in error path
can: m_can: m_can_tx_handler(): fix use after free of skb
can: mcp251xfd: mcp251xfd_register_get_dev_id(): fix return of error value
can: isotp: restore accidentally removed MSG_PEEK feature
====================
Link: https://lore.kernel.org/r/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix the following build error:
drivers/pci/controller/pci-hyperv.c:769:13: error: ‘hv_set_msi_entry_from_desc’ defined but not used [-Werror=unused-function]
769 | static void hv_set_msi_entry_from_desc(union hv_msi_entry *msi_entry,
The arm64 implementation of hv_set_msi_entry_from_desc() is not used after
d06957d7a6 ("PCI: hv: Avoid the retarget interrupt hypercall in
irq_unmask() on ARM64"), so remove it.
Fixes: d06957d7a6 ("PCI: hv: Avoid the retarget interrupt hypercall in irq_unmask() on ARM64")
Link: https://lore.kernel.org/r/20220317085130.36388-1-yuehaibing@huawei.com
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Boqun Feng <boqun.feng@gmail.com>
Technologic Systems has rebranded as embeddedTS with the current
domain eventually going offline. Update web/doc URLs to correct
resource locations.
Signed-off-by: Kris Bahnsen <kris@embeddedTS.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Fix an endian bug in ksmbd for one remaining use of
Persistent/VolatileFid that unnecessarily converted it (it is an
opaque endian field that does not need to be and should not
be converted) in oplock_break for ksmbd, and move the definitions
for the oplock and lease break protocol requests and responses
to fs/smbfs_common/smb2pdu.h
Also move a few more definitions for various protocol requests
that were duplicated (in fs/cifs/smb2pdu.h and fs/ksmbd/smb2pdu.h)
into fs/smbfs_common/smb2pdu.h including:
- various ioctls and reparse structures
- validate negotiate request and response structs
- duplicate extents structs
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Reviewed-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
When 'index' is a big numbers, it may become negative which forced
to 'int'. then 'index << part_shift' might overflow to a positive
value that is not greater than '0xfffff', then sysfs might complains
about duplicate creation. Because of this, move the 'index' judgment
to the front will fix it and be better.
Fixes: b0d9111a2d ("nbd: use an idr to keep track of nbd devices")
Fixes: 940c264984 ("nbd: fix possible overflow for 'first_minor' in nbd_dev_add()")
Signed-off-by: Zhang Wensheng <zhangwensheng5@huawei.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Link: https://lore.kernel.org/r/20220310093224.4002895-1-zhangwensheng5@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The issues were pointed out after the prior commit was applied.
Signed-off-by: Kris Bahnsen <kris@embeddedTS.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
In light of the recent controversy surrounding the (lack of)
maintenance of the in-tree DRBD driver, we have decided to add myself
as co-maintainer. This allows us to better distribute the workload and
reduce the chance of patches getting lost.
I will be keeping an eye on the mailing list in order to ensure that all
patches get the attention they need.
Signed-off-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com>
Link: https://lore.kernel.org/r/20220331134236.776524-1-christoph.boehmwalder@linbit.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
__setup() handlers should return 1 to obsolete_checksetup() in
init/main.c to indicate that the boot option has been handled.
A return of 0 causes the boot option/value to be listed as an Unknown
kernel parameter and added to init's (limited) argument or environment
strings. Also, error return codes don't mean anything to
obsolete_checksetup() -- only non-zero (usually 1) or zero.
So return 1 from jive_mtdset().
Fixes: 9db829f485 ("[ARM] JIVE: Initial machine support for Logitech Jive")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Alim Akhtar <alim.akhtar@samsung.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-samsung-soc@vger.kernel.org
Cc: patches@armlinux.org.uk
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Since commit 251cc826be ("ARM: 9154/1: decompressor: do not copy source
files while building"), the following three are rebuilt every time.
AS arch/arm/boot/compressed/lib1funcs.o
AS arch/arm/boot/compressed/ashldi3.o
AS arch/arm/boot/compressed/bswapsdi2.o
Move the "OBJS += ..." line up so these objects are added to 'targets'.
Fixes: 251cc826be ("ARM: 9154/1: decompressor: do not copy source files while building")
Reported-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
When splitting a value entry, we may need to add the new nodes to the LRU
list and remove the parent node from the LRU list. The WARN_ON checks
in shadow_lru_isolate() catch this oversight. This bug was latent
until we stopped splitting folios in shrink_page_list() with commit
820c4e2e6f ("mm/vmscan: Free non-shmem folios without splitting them").
That allows the creation of large shadow entries, and subsequently when
trying to page in a small page, we will split the large shadow entry
in __filemap_add_folio().
Fixes: 8fc75643c5 ("XArray: add xas_split")
Reported-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
The rxrpc_call struct has a timer used to handle various timed events
relating to a call. This timer can get started from the packet input
routines that are run in softirq mode with just the RCU read lock held.
Unfortunately, because only the RCU read lock is held - and neither ref or
other lock is taken - the call can start getting destroyed at the same time
a packet comes in addressed to that call. This causes the timer - which
was already stopped - to get restarted. Later, the timer dispatch code may
then oops if the timer got deallocated first.
Fix this by trying to take a ref on the rxrpc_call struct and, if
successful, passing that ref along to the timer. If the timer was already
running, the ref is discarded.
The timer completion routine can then pass the ref along to the call's work
item when it queues it. If the timer or work item where already
queued/running, the extra ref is discarded.
Fixes: a158bdd324 ("rxrpc: Fix call timeouts")
Reported-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Marc Dionne <marc.dionne@auristor.com>
Tested-by: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Link: http://lists.infradead.org/pipermail/linux-afs/2022-March/005073.html
Link: https://lore.kernel.org/r/164865115696.2943015.11097991776647323586.stgit@warthog.procyon.org.uk
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
When user delete vlan 0, as driver will not delete vlan 0 for hardware in
function hclge_set_vlan_filter_hw(), so vlan 0 in software vlan talbe should
not be deleted.
Fixes: fe4144d47e ("net: hns3: sync VLAN filter entries when kill VLAN ID failed")
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Currently, the debugfs mechanism is that all functions share a
global variable to save the pointer for obtaining data. When
different functions concurrently access the same file node,
repeated release exceptions occur. Therefore, the granularity
of the pointer for storing the obtained data is adjusted to be
private for each function.
Fixes: 5e69ea7ee2 ("net: hns3: refactor the debugfs process")
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
