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1088742 commits

Author SHA1 Message Date
Alexei Starovoitov
7f0059b58f selftests/bpf: Fix kprobe_multi test.
When compiler emits endbr insn the function address could
be different than what bpf_get_func_ip() reports.
This is a short term workaround.
bpf_get_func_ip() will be fixed later.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-03-22 11:09:13 -07:00
Alexei Starovoitov
4e8ca13440 Revert "rethook: x86: Add rethook x86 implementation"
This reverts commit 75caf33eda.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-03-22 11:09:13 -07:00
Alexei Starovoitov
0f8f803003 Revert "arm64: rethook: Add arm64 rethook implementation"
This reverts commit 83acdce689.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-03-22 11:09:13 -07:00
Alexei Starovoitov
35df0155e6 Revert "powerpc: Add rethook support"
This reverts commit 02752bd99d.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-03-22 11:09:13 -07:00
Alexei Starovoitov
ecaed3b9de Revert "ARM: rethook: Add rethook arm implementation"
This reverts commit 515a49173b.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-03-22 11:09:13 -07:00
Jann Horn
ee1fee9005 ptrace: Check PTRACE_O_SUSPEND_SECCOMP permission on PTRACE_SEIZE
Setting PTRACE_O_SUSPEND_SECCOMP is supposed to be a highly privileged
operation because it allows the tracee to completely bypass all seccomp
filters on kernels with CONFIG_CHECKPOINT_RESTORE=y. It is only supposed to
be settable by a process with global CAP_SYS_ADMIN, and only if that
process is not subject to any seccomp filters at all.

However, while these permission checks were done on the PTRACE_SETOPTIONS
path, they were missing on the PTRACE_SEIZE path, which also sets
user-specified ptrace flags.

Move the permissions checks out into a helper function and let both
ptrace_attach() and ptrace_setoptions() call it.

Cc: stable@kernel.org
Fixes: 13c4a90119 ("seccomp: add ptrace options for suspend/resume")
Signed-off-by: Jann Horn <jannh@google.com>
Link: https://lkml.kernel.org/r/20220319010838.1386861-1-jannh@google.com
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2022-03-22 13:06:05 -05:00
Jakob Koschel
fa34165096 ACPI, APEI: Use the correct variable for sizeof()
While the original code is valid, it is not the obvious choice for the
sizeof() call and in preparation to limit the scope of the list iterator
variable the sizeof should be changed to the size of the variable
being allocated.

Signed-off-by: Jakob Koschel <jakobkoschel@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-03-22 18:52:21 +01:00
Linus Torvalds
5191290407 for-5.18-tag
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Merge tag 'for-5.18-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs updates from David Sterba:
 "This contains feature updates, performance improvements, preparatory
  and core work and some related VFS updates:

  Features:

   - encoded read/write ioctls, allows user space to read or write raw
     data directly to extents (now compressed, encrypted in the future),
     will be used by send/receive v2 where it saves processing time

   - zoned mode now works with metadata DUP (the mkfs.btrfs default)

   - error message header updates:
      - print error state: transaction abort, other error, log tree
        errors
      - print transient filesystem state: remount, device replace,
        ignored checksum verifications

   - tree-checker: verify the transaction id of the to-be-written dirty
     extent buffer

  Performance improvements for fsync:

   - directory logging speedups (up to -90% run time)

   - avoid logging all directory changes during renames (up to -60% run
     time)

   - avoid inode logging during rename and link when possible (up to
     -60% run time)

   - prepare extents to be logged before locking a log tree path
     (throughput +7%)

   - stop copying old file extents when doing a full fsync()

   - improved logging of old extents after truncate

  Core, fixes:

   - improved stale device identification by dev_t and not just path
     (for devices that are behind other layers like device mapper)

   - continued extent tree v2 preparatory work
      - disable features that won't work yet
      - add wrappers and abstractions for new tree roots

   - improved error handling

   - add super block write annotations around background block group
     reclaim

   - fix device scanning messages potentially accessing stale pointer

   - cleanups and refactoring

  VFS:

   - allow reflinks/deduplication from two different mounts of the same
     filesystem

   - export and add helpers for read/write range verification, for the
     encoded ioctls"

* tag 'for-5.18-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (98 commits)
  btrfs: zoned: put block group after final usage
  btrfs: don't access possibly stale fs_info data in device_list_add
  btrfs: add lockdep_assert_held to need_preemptive_reclaim
  btrfs: verify the tranisd of the to-be-written dirty extent buffer
  btrfs: unify the error handling of btrfs_read_buffer()
  btrfs: unify the error handling pattern for read_tree_block()
  btrfs: factor out do_free_extent_accounting helper
  btrfs: remove last_ref from the extent freeing code
  btrfs: add a alloc_reserved_extent helper
  btrfs: remove BUG_ON(ret) in alloc_reserved_tree_block
  btrfs: add and use helper for unlinking inode during log replay
  btrfs: extend locking to all space_info members accesses
  btrfs: zoned: mark relocation as writing
  fs: allow cross-vfsmount reflink/dedupe
  btrfs: remove the cross file system checks from remap
  btrfs: pass btrfs_fs_info to btrfs_recover_relocation
  btrfs: pass btrfs_fs_info for deleting snapshots and cleaner
  btrfs: add filesystems state details to error messages
  btrfs: deal with unexpected extent type during reflinking
  btrfs: fix unexpected error path when reflinking an inline extent
  ...
2022-03-22 10:51:40 -07:00
Wan Jiabing
05e815539f cxl/core/port: Fix NULL but dereferenced coccicheck error
Fix the following coccicheck warning:
./drivers/cxl/core/port.c:913:21-24: ERROR: port is NULL but dereferenced.

The put_device() is only relevent in the is_cxl_root() case.

Fixes: 2703c16c75 ("cxl/core/port: Add switch port enumeration")
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Link: https://lore.kernel.org/r/20220307094158.404882-1-wanjiabing@vivo.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2022-03-22 10:51:17 -07:00
Linus Torvalds
9b03992f0c Fix some bugs in converting ext4 to use the new mount API, as well as
more bug fixes and clean ups in the ext4 fast_commit feature (most
 notably, in the tracepoints).  In the jbd2 layer, the t_handle_lock
 spinlock has been removed, with the last place where it was actually
 needed replaced with an atomic cmpxchg.
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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:
 "Fix some bugs in converting ext4 to use the new mount API, as well as
  more bug fixes and clean ups in the ext4 fast_commit feature (most
  notably, in the tracepoints).

  In the jbd2 layer, the t_handle_lock spinlock has been removed, with
  the last place where it was actually needed replaced with an atomic
  cmpxchg"

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (35 commits)
  ext4: fix kernel doc warnings
  ext4: fix remaining two trace events to use same printk convention
  ext4: add commit tid info in ext4_fc_commit_start/stop trace events
  ext4: add commit_tid info in jbd debug log
  ext4: add transaction tid info in fc_track events
  ext4: add new trace event in ext4_fc_cleanup
  ext4: return early for non-eligible fast_commit track events
  ext4: do not call FC trace event in ext4_fc_commit() if FS does not support FC
  ext4: convert ext4_fc_track_dentry type events to use event class
  ext4: fix ext4_fc_stats trace point
  ext4: remove unused enum EXT4_FC_COMMIT_FAILED
  ext4: warn when dirtying page w/o buffers in data=journal mode
  doc: fixed a typo in ext4 documentation
  ext4: make mb_optimize_scan performance mount option work with extents
  ext4: make mb_optimize_scan option work with set/unset mount cmd
  ext4: don't BUG if someone dirty pages without asking ext4 first
  ext4: remove redundant assignment to variable split_flag1
  ext4: fix underflow in ext4_max_bitmap_size()
  ext4: fix ext4_mb_clear_bb() kernel-doc comment
  ext4: fix fs corruption when tring to remove a non-empty directory with IO error
  ...
2022-03-22 10:36:55 -07:00
Linus Torvalds
14705fda8f New features:
- NFSv3 support in NFSD is now always built
 - Added NFSD support for the NFSv4 birth-time file attribute
 - Added support for storing and displaying sockaddrs in trace points
 - NFSD now recognizes RPC_AUTH_TLS probes
 
 Performance improvements:
 - Optimized the svc transport enqueuing mechanism
 - Added micro-optimizations for the duplicate reply cache
 
 Notable bug fixes:
 - Allocation of the NFSD file cache hash table is more reliable
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Merge tag 'nfsd-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

Pull nfsd updates from Chuck Lever:
 "New features:

   - NFSv3 support in NFSD is now always built

   - Added NFSD support for the NFSv4 birth-time file attribute

   - Added support for storing and displaying sockaddrs in trace points

   - NFSD now recognizes RPC_AUTH_TLS probes

  Performance improvements:

   - Optimized the svc transport enqueuing mechanism

   - Added micro-optimizations for the duplicate reply cache

  Notable bug fixes:

   - Allocation of the NFSD file cache hash table is more reliable"

* tag 'nfsd-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (30 commits)
  nfsd: fix using the correct variable for sizeof()
  nfsd: use correct format characters
  NFSD: prevent integer overflow on 32 bit systems
  NFSD: prevent underflow in nfssvc_decode_writeargs()
  fs/lock: documentation cleanup. Replace inode->i_lock with flc_lock.
  NFSD: Fix nfsd_breaker_owns_lease() return values
  NFSD: Clean up _lm_ operation names
  arch: Remove references to CONFIG_NFSD_V3 in the default configs
  NFSD: Remove CONFIG_NFSD_V3
  nfsd: more robust allocation failure handling in nfsd_file_cache_init
  SUNRPC: Teach server to recognize RPC_AUTH_TLS
  NFSD: Move svc_serv_ops::svo_function into struct svc_serv
  NFSD: Remove svc_serv_ops::svo_module
  SUNRPC: Remove svc_shutdown_net()
  SUNRPC: Rename svc_close_xprt()
  SUNRPC: Rename svc_create_xprt()
  SUNRPC: Remove svo_shutdown method
  SUNRPC: Merge svc_do_enqueue_xprt() into svc_enqueue_xprt()
  SUNRPC: Remove the .svo_enqueue_xprt method
  SUNRPC: Record endpoint information in trace log
  ...
2022-03-22 10:29:51 -07:00
Linus Torvalds
105b6c05c5 5 cifs/smb3 fixes, 3 for stable
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Merge tag '5.18-smb3-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6

Pull cfis updates from Steve French:
 "Handlecache,  unmount, fiemap and two reconnect fixes"

* tag '5.18-smb3-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: use a different reconnect helper for non-cifsd threads
  cifs: we do not need a spinlock around the tree access during umount
  Adjust cifssb maximum read size
  cifs: truncate the inode and mapping when we simulate fcollapse
  cifs: fix handlecache and multiuser
2022-03-22 10:24:16 -07:00
Linus Torvalds
ef510682af f2fs-for-5.18
In this cycle, f2fs has some performance improvements for Android workloads such
 as using read-unfair rwsems and adding some sysfs entries to control GCs and
 discard commands in more details. In addtiion, it has some tunings to improve
 the recovery speed after sudden power-cut.
 
 Enhancement:
  - add reader-unfair rwsems with F2FS_UNFAIR_RWSEM
   : will replace with generic API support
  - adjust to make the readahead/recovery flow more efficiently
  - sysfs entries to control issue speeds of GCs and Discard commands
  - enable idmapped mounts
 
 Bug fix:
  - correct wrong error handling routines
  - fix missing conditions in quota
  - fix a potential deadlock between writeback and block plug routines
  - fix a deadlock btween freezefs and evict_inode
 
 We've added some boundary checks to avoid kernel panics on corrupted images,
 and several minor code clean-ups.
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Merge tag 'f2fs-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "In this cycle, f2fs has some performance improvements for Android
  workloads such as using read-unfair rwsems and adding some sysfs
  entries to control GCs and discard commands in more details. In
  addtiion, it has some tunings to improve the recovery speed after
  sudden power-cut.

  Enhancement:
   - add reader-unfair rwsems with F2FS_UNFAIR_RWSEM: will replace with
     generic API support
   - adjust to make the readahead/recovery flow more efficiently
   - sysfs entries to control issue speeds of GCs and Discard commands
   - enable idmapped mounts

  Bug fix:
   - correct wrong error handling routines
   - fix missing conditions in quota
   - fix a potential deadlock between writeback and block plug routines
   - fix a deadlock btween freezefs and evict_inode

  We've added some boundary checks to avoid kernel panics on corrupted
  images, and several minor code clean-ups"

* tag 'f2fs-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (27 commits)
  f2fs: fix to do sanity check on .cp_pack_total_block_count
  f2fs: make gc_urgent and gc_segment_mode sysfs node readable
  f2fs: use aggressive GC policy during f2fs_disable_checkpoint()
  f2fs: fix compressed file start atomic write may cause data corruption
  f2fs: initialize sbi->gc_mode explicitly
  f2fs: introduce gc_urgent_mid mode
  f2fs: compress: fix to print raw data size in error path of lz4 decompression
  f2fs: remove redundant parameter judgment
  f2fs: use spin_lock to avoid hang
  f2fs: don't get FREEZE lock in f2fs_evict_inode in frozen fs
  f2fs: remove unnecessary read for F2FS_FITS_IN_INODE
  f2fs: introduce F2FS_UNFAIR_RWSEM to support unfair rwsem
  f2fs: avoid an infinite loop in f2fs_sync_dirty_inodes
  f2fs: fix to do sanity check on curseg->alloc_type
  f2fs: fix to avoid potential deadlock
  f2fs: quota: fix loop condition at f2fs_quota_sync()
  f2fs: Restore rwsem lockdep support
  f2fs: fix missing free nid in f2fs_handle_failed_inode
  f2fs: support idmapped mounts
  f2fs: add a way to limit roll forward recovery time
  ...
2022-03-22 10:00:31 -07:00
Linus Torvalds
aab4ed5816 Changes since last update:
- Avoid using page structure directly for all uncompressed paths;
 
  - Fix a double-free issue when sysfs initialization fails;
 
  - Complete DAX description for erofs;
 
  - Use mtime instead since there's no (easy) way for users to control
    ctime;
 
  - Several code cleanups.
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Merge tag 'erofs-for-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs

Pull erofs updates from Gao Xiang:
 "In this cycle, we continue converting to use meta buffers for all
  remaining uncompressed paths to prepare for the upcoming subpage,
  folio and fscache features.

  We also fixed a double-free issue when sysfs initialization fails,
  which was reported by syzbot.

  Besides, in order for the userspace to control per-file timestamp
  easier, we now switch to record mtime instead of ctime with a
  compatible feature marked. And there are also some code cleanups and
  documentation update as usual.

  Summary:

   - Avoid using page structure directly for all uncompressed paths

   - Fix a double-free issue when sysfs initialization fails

   - Complete DAX description for erofs

   - Use mtime instead since there's no (easy) way for users to control
     ctime

   - Several code cleanups"

* tag 'erofs-for-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
  erofs: rename ctime to mtime
  erofs: use meta buffers for inode lookup
  erofs: use meta buffers for reading directories
  fs: erofs: add sanity check for kobject in erofs_unregister_sysfs
  erofs: refine managed inode stuffs
  erofs: clean up z_erofs_extent_lookback
  erofs: silence warnings related to impossible m_plen
  Documentation/filesystem/dax: update DAX description on erofs
  erofs: clean up preload_compressed_pages()
  erofs: get rid of `struct z_erofs_collector'
  erofs: use meta buffers for erofs_read_superblock()
2022-03-22 09:54:56 -07:00
Linus Torvalds
881b568756 fscrypt updates for 5.18
Add support for direct I/O on encrypted files when blk-crypto (inline
 encryption) is being used for file contents encryption.
 
 There will be a merge conflict with the block pull request in
 fs/iomap/direct-io.c, due to some bio interface cleanups.  The merge
 resolution is straightforward and can be found in linux-next.
 -----BEGIN PGP SIGNATURE-----
 
 iIoEABYIADIWIQSacvsUNc7UX4ntmEPzXCl4vpKOKwUCYjgCfhQcZWJpZ2dlcnNA
 Z29vZ2xlLmNvbQAKCRDzXCl4vpKOK6vjAQDp8D8OKIyj67KjYwvyHpNy0fZhxeur
 RexC0nDfd9BE/AD/fV6zpCglmsuGxqxL0jmqeczKXn2y7nRFmPciCBTi/wY=
 =kwNd
 -----END PGP SIGNATURE-----

Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt

Pull fscrypt updates from Eric Biggers:
 "Add support for direct I/O on encrypted files when blk-crypto (inline
  encryption) is being used for file contents encryption"

* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
  fscrypt: update documentation for direct I/O support
  f2fs: support direct I/O with fscrypt using blk-crypto
  ext4: support direct I/O with fscrypt using blk-crypto
  iomap: support direct I/O with fscrypt using blk-crypto
  fscrypt: add functions for direct I/O support
2022-03-22 09:50:16 -07:00
Max Filippov
1c4664faa3 xtensa: define update_mmu_tlb function
Before the commit f9ce0be71d ("mm: Cleanup faultaround and finish_fault()
codepaths") there was a call to update_mmu_cache in alloc_set_pte that
used to invalidate TLB entry caching invalid PTE that caused a page
fault. That commit removed that call so now invalid TLB entry survives
causing repetitive page faults on the CPU that took the initial fault
until that TLB entry is occasionally evicted. This issue is spotted by
the xtensa TLB sanity checker.

Fix this issue by defining update_mmu_tlb function that flushes TLB entry
for the faulting address.

Cc: stable@vger.kernel.org # 5.12+
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2022-03-22 09:45:09 -07:00
Randy Dunlap
b9fae6a47b x86/PCI: Add #includes to asm/pci_x86.h
<asm/pci_x86.h> uses raw_spinlock_t, __init, and EINVAL; #include the
appropriate files to prevent build errors.

  ../arch/x86/include/asm/pci_x86.h:105:8: error: unknown type name ‘raw_spinlock_t’
  ../arch/x86/include/asm/pci_x86.h:141:20: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘dmi_check_pciprobe’
  ../arch/x86/include/asm/pci_x86.h:150:10: error: ‘EINVAL’ undeclared (first use in this function)

Link: https://lore.kernel.org/r/20220226213703.24041-1-rdunlap@infradead.org
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
2022-03-22 11:24:56 -05:00
Bjorn Helgaas
6a8fcf7d47 PCI: ibmphp: Remove unused assignments
Remove variables and assignments that are never used.

Found by Krzysztof using cppcheck, e.g.:

  $ cppcheck --enable=all --force
  unreadVariable drivers/pci/hotplug/ibmphp_res.c:1958 Variable 'bus_sec' is assigned a value that is never used.

Reported-by: Krzysztof Wilczyński <kw@linux.com>
Link: https://lore.kernel.org/r/20220313192933.434746-6-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2022-03-22 11:24:48 -05:00
Bjorn Helgaas
af8b8b6c04 PCI: cpqphp: Remove unused assignments
Remove variables and assignments that are never used.

Found by Krzysztof using cppcheck, e.g.:

  $ cppcheck --enable=all --force
  unreadVariable drivers/pci/hotplug/cpqphp_core.c:1257 Variable 'rc' is assigned a value that is never used.

Reported-by: Krzysztof Wilczyński <kw@linux.com>
Link: https://lore.kernel.org/r/20220313192933.434746-5-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2022-03-22 11:24:40 -05:00
Bjorn Helgaas
6f10255072 PCI: fu740: Remove unused assignments
fu740_pcie_host_init() assigned "ret", but never used the value.  Drop it.

Found by Krzysztof using cppcheck:

  $ cppcheck --enable=all --force
  unreadVariable drivers/pci/controller/dwc/pcie-fu740.c:227 Variable 'ret' is assigned a value that is never used.

Reported-by: Krzysztof Wilczyński <kw@linux.com>
Link: https://lore.kernel.org/r/20220313192933.434746-4-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2022-03-22 11:24:31 -05:00
Bjorn Helgaas
b6829e0419 PCI: kirin: Remove unused assignments
hi3660_pcie_phy_init() assigned "pdev", but never used the value.  Drop it.

Found by Krzysztof using cppcheck:

  $ cppcheck --enable=all --force
  unreadVariable drivers/pci/controller/dwc/pcie-kirin.c:336 Variable 'pdev' is assigned a value that is never used.

Reported-by: Krzysztof Wilczyński <kw@linux.com>
Link: https://lore.kernel.org/r/20220313192933.434746-3-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2022-03-22 11:24:13 -05:00
Bjorn Helgaas
c50762a85d PCI: Remove unused assignments
Remove variables and assignments that are never used.

Found by Krzysztof using cppcheck, e.g.,

  $ cppcheck --enable=all --force
  uselessAssignmentPtrArg drivers/pci/proc.c:102 Assignment of function parameter has no effect outside the function. Did you forget dereferencing it?
  unreadVariable drivers/pci/setup-bus.c:1528 Variable 'old_flags' is assigned a value that is never used.

Reported-by: Krzysztof Wilczyński <kw@linux.com>
Link: https://lore.kernel.org/r/20220313192933.434746-2-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2022-03-22 11:23:53 -05:00
Krzysztof Wilczyński
cb2d0f8461 PCI: Declare pci_filp_private only when HAVE_PCI_MMAP
The struct pci_filp_private has no users outside drivers/pci/proc.c and is
only used when HAVE_PCI_MMAP is defined.

Wrap the struct pci_filp_private definition itself in #ifdef HAVE_PCI_MMAP.

Found by cppcheck:

  $ cppcheck --enable=all --force drivers/pci/proc.c
  drivers/pci/proc.c:192:6: style: struct member 'pci_filp_private::write_combine' is never used. [unusedStructMember]

Link: https://lore.kernel.org/r/20210706003145.3054881-1-kw@linux.com
Signed-off-by: Krzysztof Wilczyński <kw@linux.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2022-03-22 11:23:51 -05:00
Linus Torvalds
0313bc278d Revert "random: block in /dev/urandom"
This reverts commit 6f98a4bfee.

It turns out we still can't do this.  Way too many platforms that don't
have any real source of randomness at boot and no jitter entropy because
they don't even have a cycle counter.

As reported by Guenter Roeck:

 "This causes a large number of qemu boot test failures for various
  architectures (arm, m68k, microblaze, sparc32, xtensa are the ones I
  observed).

  Common denominator is that boot hangs at 'Saving random seed:'"

This isn't hugely unexpected - we tried it, it failed, so now we'll
revert it.

Link: https://lore.kernel.org/all/20220322155820.GA1745955@roeck-us.net/
Reported-and-bisected-by: Guenter Roeck <linux@roeck-us.net>
Cc: Jason Donenfeld <Jason@zx2c4.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-22 09:17:20 -07:00
Haimin Zhang
a530462910 jfs: prevent NULL deref in diFree
Add validation check for JFS_IP(ipimap)->i_imap to prevent a NULL deref
in diFree since diFree uses it without do any validations.
When function jfs_mount calls diMount to initialize fileset inode
allocation map, it can fail and JFS_IP(ipimap)->i_imap won't be
initialized. Then it calls diFreeSpecial to close fileset inode allocation
map inode and it will flow into jfs_evict_inode. Function jfs_evict_inode
just validates JFS_SBI(inode->i_sb)->ipimap, then calls diFree. diFree use
JFS_IP(ipimap)->i_imap directly, then it will cause a NULL deref.

Reported-by: TCS Robot <tcs_robot@tencent.com>
Signed-off-by: Haimin Zhang <tcs_kernel@tencent.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
2022-03-22 10:09:19 -05:00
Pavel Skripkin
2cc7cc01c1 jfs: fix divide error in dbNextAG
Syzbot reported divide error in dbNextAG(). The problem was in missing
validation check for malicious image.

Syzbot crafted an image with bmp->db_numag equal to 0. There wasn't any
validation checks, but dbNextAG() blindly use bmp->db_numag in divide
expression

Fix it by validating bmp->db_numag in dbMount() and return an error if
image is malicious

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Reported-and-tested-by: syzbot+46f5c25af73eb8330eb6@syzkaller.appspotmail.com
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
2022-03-22 10:09:13 -05:00
John Garry
4e666cdb06 perf tools: Fix dependency for version file creation
The version generated by perf may not be correct by just changing the
head commit, like this:

  $ git log --pretty=format:"%H" -n 1
  b5d9d4708a24ac1889a30e9aedf8af8d73102139
  $ perf -v
  perf version 5.16.gb5d9d4708a24
  $ git reset --hard HEAD^
  HEAD is now at 629f520b265f
  $ make
  ...
  $ ./perf -v
  perf version 5.16.gb5d9d4708a24

The dependency to building PERF-VERSION-FILE should also include ORIG_HEAD,
as this changes when changing the head commit (while HEAD does not).

Signed-off-by: John Garry <john.garry@huawei.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Robert Richter <rric@kernel.org>
Link: https://lore.kernel.org/r/1645449409-158238-2-git-send-email-john.garry@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-03-22 10:18:29 -03:00
Trond Myklebust
648a4548d6 NFS: Don't deadlock when cookie hashes collide
In the very rare case where the readdir reply contains multiple cookies
that map to the same hash value, we can end up deadlocking waiting for a
page lock that we already hold. In this case we should fail the page
lock by using grab_cache_page_nowait().

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-03-22 09:14:39 -04:00
Luca Weiss
3d8fa7a22d dt-bindings: ufs: qcom: Add SM6350 compatible string
Document the compatible for the UFS found on SM6350.

Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220321133318.99406-2-luca.weiss@fairphone.com
2022-03-22 08:09:54 -05:00
Jakub Kicinski
4a0cb83ba6 netdevice: add missing dm_private kdoc
Building htmldocs complains:
  include/linux/netdevice.h:2295: warning: Function parameter or member 'dm_private' not described in 'net_device'

Fixes: b26ef81c46 ("drop_monitor: remove quadratic behavior")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20220322051053.1883186-1-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-03-22 13:01:06 +01:00
Eric Dumazet
cde3fc244b net: bridge: mst: prevent NULL deref in br_mst_info_size()
Call br_mst_info_size() only if vg pointer is not NULL.

general protection fault, probably for non-canonical address 0xdffffc0000000058: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000002c0-0x00000000000002c7]
CPU: 0 PID: 975 Comm: syz-executor.0 Tainted: G        W         5.17.0-next-20220321-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:br_mst_info_size+0x97/0x270 net/bridge/br_mst.c:242
Code: 00 00 31 c0 e8 ba 10 53 f9 31 c0 b9 40 00 00 00 4c 8d 6c 24 30 4c 89 ef f3 48 ab 48 8d 83 c0 02 00 00 48 89 04 24 48 c1 e8 03 <80> 3c 28 00 0f 85 ae 01 00 00 48 8b 83 c0 02 00 00 41 bf 04 00 00
RSP: 0018:ffffc900153770a8 EFLAGS: 00010202
RAX: 0000000000000058 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff88259876 RDI: ffffc900153772d8
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8db68957
R10: ffffffff881f737b R11: 0000000000000000 R12: 0000000000000000
R13: ffffc900153770d8 R14: 00000000000002a0 R15: 00000000ffffffff
FS:  00007f18bbb6f700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001a80 CR3: 000000001a7d9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 00000000000000d8 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 br_get_link_af_size_filtered+0x6e9/0xc00 net/bridge/br_netlink.c:123
 rtnl_link_get_af_size net/core/rtnetlink.c:598 [inline]
 if_nlmsg_size+0x40c/0xa50 net/core/rtnetlink.c:1040
 rtnl_calcit.isra.0+0x25f/0x460 net/core/rtnetlink.c:3780
 rtnetlink_rcv_msg+0xa65/0xb80 net/core/rtnetlink.c:5937
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2496
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x904/0xe00 net/netlink/af_netlink.c:1921
 sock_sendmsg_nosec net/socket.c:705 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:725
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2413
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2467
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2496
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f18baa89049
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f18bbb6f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f18bab9bf60 RCX: 00007f18baa89049
RDX: 0000000000000000 RSI: 0000000020001a80 RDI: 0000000000000004
RBP: 00007f18baae308d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeedb2be2f R14: 00007f18bbb6f300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:br_mst_info_size+0x97/0x270 net/bridge/br_mst.c:242
Code: 00 00 31 c0 e8 ba 10 53 f9 31 c0 b9 40 00 00 00 4c 8d 6c 24 30 4c 89 ef f3 48 ab 48 8d 83 c0 02 00 00 48 89 04 24 48 c1 e8 03 <80> 3c 28 00 0f 85 ae 01 00 00 48 8b 83 c0 02 00 00 41 bf 04 00 00
RSP: 0018:ffffc900153770a8 EFLAGS: 00010202
RAX: 0000000000000058 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff88259876 RDI: ffffc900153772d8
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8db68957
R10: ffffffff881f737b R11: 0000000000000000 R12: 0000000000000000
R13: ffffc900153770d8 R14: 00000000000002a0 R15: 00000000ffffffff
FS:  00007f18bbb6f700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ca22000 CR3: 000000001a7d9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 00000000000000d8 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Fixes: 122c29486e ("net: bridge: mst: Support setting and reporting MST port states")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Tobias Waldekranz <tobias@waldekranz.com>
Cc: Nikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: Tobias Waldekranz <tobias@waldekranz.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20220322012314.795187-1-eric.dumazet@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-03-22 12:47:51 +01:00
Rafael J. Wysocki
0474bcc9c1 Merge branch 'opp/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm into pm-opp
Pull OPP (Operating Performance Points) changes for 5.18-rc1 from
Viresh Kumar:

"- Introduce opp-microwatt property to the OPP core, bindings, etc (Lukasz
   Luba).

- Convert DT bindings to schema format and various related fixes (Yassine
  Oudjana).

- Expose OPP's OF node in debugfs (Viresh Kumar)."

* 'opp/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
  Documentation: EM: Describe new registration method using DT
  OPP: Add support of "opp-microwatt" for EM registration
  PM: EM: add macro to set .active_power() callback conditionally
  OPP: Add "opp-microwatt" supporting code
  dt-bindings: opp: Add "opp-microwatt" entry in the OPP
  dt-bindings: power: avs: qcom,cpr: Convert to DT schema
  arm64: dts: qcom: qcs404: Rename CPU and CPR OPP tables
  arm64: dts: qcom: msm8996: Rename cluster OPP tables
  dt-bindings: opp: Convert qcom-nvmem-cpufreq to DT schema
  dt-bindings: opp: qcom-opp: Convert to DT schema
  arm64: dts: qcom: msm8996-mtp: Add msm8996 compatible
  dt-bindings: arm: qcom: Add msm8996 and apq8096 compatibles
  opp: Expose of-node's name in debugfs
2022-03-22 12:29:22 +01:00
Rafael J. Wysocki
2353828f36 Merge branch 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
Pull ARM cpufreq updates for 5.18-rc1 fron Viresh Kumar:

"- Add per core DVFS support for QCom SoC (Bjorn Andersson), convert to yaml
   binding (Manivannan Sadhasivam) and various other fixes to the QCom drivers
   (Luca Weiss).

 - Add OPP table for imx7s SoC (Denys Drozdov) and minor fixes (Stefan Agner).

 - Fix CPPC driver's freq/performance conversions (Pierre Gondois).

 - Minor generic cleanups (Yury Norov)."

* 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
  dt-bindings: cpufreq: cpufreq-qcom-hw: Convert to YAML bindings
  dt-bindings: dvfs: Use MediaTek CPUFREQ HW as an example
  cpufreq: blocklist Qualcomm sc8280xp and sa8540p in cpufreq-dt-platdev
  cpufreq: qcom-hw: Add support for per-core-dcvs
  cpufreq: CPPC: Fix performance/frequency conversion
  cpufreq: Add i.MX7S to cpufreq-dt-platdev blocklist
  ARM: dts: imx7s: Define operating points table for cpufreq
  cpufreq: qcom-cpufreq-nvmem: fix reading of PVS Valid fuse
  cpufreq: replace cpumask_weight with cpumask_empty where appropriate
2022-03-22 12:15:47 +01:00
Paolo Abeni
7b17d2d7d7 Merge branch 'selftests-forwarding-locked-bridge-port-fixes'
Ido Schimmel says:

====================
selftests: forwarding: Locked bridge port fixes

Two fixes for the locked bridge port selftest.
====================

Link: https://lore.kernel.org/r/20220321175102.978020-1-idosch@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-03-22 11:09:29 +01:00
Ido Schimmel
f70f5f1a8f selftests: forwarding: Use same VRF for port and VLAN upper
The test creates a separate VRF for the VLAN upper, but does not destroy
it during cleanup, resulting in "RTNETLINK answers: File exists" errors.

Fix by using the same VRF for the port and its VLAN upper. This is OK
since their IP addresses do not overlap.

Before:

 # ./bridge_locked_port.sh
 TEST: Locked port ipv4                                              [ OK ]
 TEST: Locked port ipv6                                              [ OK ]
 TEST: Locked port vlan                                              [ OK ]

 # ./bridge_locked_port.sh
 RTNETLINK answers: File exists
 RTNETLINK answers: File exists
 RTNETLINK answers: File exists
 RTNETLINK answers: File exists
 RTNETLINK answers: File exists
 RTNETLINK answers: File exists
 TEST: Locked port ipv4                                              [ OK ]
 TEST: Locked port ipv6                                              [ OK ]
 TEST: Locked port vlan                                              [ OK ]

After:

 # ./bridge_locked_port.sh
 TEST: Locked port ipv4                                              [ OK ]
 TEST: Locked port ipv6                                              [ OK ]
 TEST: Locked port vlan                                              [ OK ]

 # ./bridge_locked_port.sh
 TEST: Locked port ipv4                                              [ OK ]
 TEST: Locked port ipv6                                              [ OK ]
 TEST: Locked port vlan                                              [ OK ]

Fixes: b2b681a412 ("selftests: forwarding: tests of locked port feature")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-03-22 11:09:24 +01:00
Ido Schimmel
917b149ac3 selftests: forwarding: Disable learning before link up
Disable learning before bringing the bridge port up in order to avoid
the FDB being populated and the test failing.

Before:

 # ./bridge_locked_port.sh
 RTNETLINK answers: File exists
 TEST: Locked port ipv4                                              [FAIL]
         Ping worked after locking port, but before adding FDB entry
 TEST: Locked port ipv6                                              [ OK ]
 TEST: Locked port vlan                                              [ OK ]

After:

 # ./bridge_locked_port.sh
 TEST: Locked port ipv4                                              [ OK ]
 TEST: Locked port ipv6                                              [ OK ]
 TEST: Locked port vlan                                              [ OK ]

Fixes: b2b681a412 ("selftests: forwarding: tests of locked port feature")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-03-22 11:09:24 +01:00
Hoang Le
6a7d8cff4a tipc: fix the timer expires after interval 100ms
In the timer callback function tipc_sk_timeout(), we're trying to
reschedule another timeout to retransmit a setup request if destination
link is congested. But we use the incorrect timeout value
(msecs_to_jiffies(100)) instead of (jiffies + msecs_to_jiffies(100)),
so that the timer expires immediately, it's irrelevant for original
description.

In this commit we correct the timeout value in sk_reset_timer()

Fixes: 6787927475 ("tipc: buffer overflow handling in listener socket")
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Hoang Le <hoang.h.le@dektech.com.au>
Link: https://lore.kernel.org/r/20220321042229.314288-1-hoang.h.le@dektech.com.au
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-03-22 10:50:46 +01:00
Bill Wendling
4723832fa6 bnx2x: truncate value to original sizing
The original behavior was to print out unsigned short or unsigned char
values. The change in commit d65aea8e82 ("bnx2x: use correct format
characters") prints out the whole value if not truncated. So truncate
the value to an unsigned {short|char} to retain the original behavior.

Fixes: d65aea8e82 ("bnx2x: use correct format characters")
Link: https://github.com/ClangBuiltLinux/linux/issues/378
Signed-off-by: Bill Wendling <morbo@google.com>
Link: https://lore.kernel.org/r/20220321023155.106066-1-morbo@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-03-22 10:34:31 +01:00
Yang Yingliang
6b3c745502 net: wwan: qcom_bam_dmux: fix wrong pointer passed to IS_ERR()
It should check dmux->tx after calling dma_request_chan().

Fixes: 21a0ffd9b3 ("net: wwan: Add Qualcomm BAM-DMUX WWAN network driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20220319032450.3288224-1-yangyingliang@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-03-22 09:36:46 +01:00
Randy Dunlap
ffea9fb319 sched/headers: ARM needs asm/paravirt_api_clock.h too
Add <asm/paravirt_api_clock.h> for arch/arm/, mapped to <asm/paravirt.h>,
to simplify #ifdeffery in generic code.

Fixes this build error introduced by the scheduler tree:

  In file included from ../kernel/sched/core.c:81:
  ../kernel/sched/sched.h:87:11: fatal error: asm/paravirt_api_clock.h: No such file or directory
     87 | # include <asm/paravirt_api_clock.h>

Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Fixes: 4ff8f2ca6c ("sched/headers: Reorganize, clean up and optimize kernel/sched/sched.h dependencies")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20220316204146.14000-1-rdunlap@infradead.org
2022-03-22 08:53:10 +01:00
Huang, Ying
ab31c7fd2d sched/numa: Fix boot crash on arm64 systems
Qian Cai reported a boot crash on arm64 systems, caused by:

  0fb3978b0a ("sched/numa: Fix NUMA topology for systems with CPU-less nodes")

The bug is that node_state() must be supplied a valid node_states[] array index,
but in task_numa_placement() the max_nid search can fail with NUMA_NO_NODE,
which is not a valid index.

Fix it by checking that max_nid is a valid index.

[ mingo: Added changelog. ]

Fixes: 0fb3978b0a ("sched/numa: Fix NUMA topology for systems with CPU-less nodes")
Reported-by: Qian Cai <quic_qiancai@quicinc.com>
Tested-by: Qian Cai <quic_qiancai@quicinc.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2022-03-22 08:49:22 +01:00
Jakub Kicinski
aa80511a93 Merge branch 'net-mscc-miim-add-integrated-phy-reset-support'
Michael Walle says:

====================
net: mscc-miim: add integrated PHY reset support

The MDIO driver has support to release the integrated PHYs from reset.
This was implemented for the SparX-5 for now. Now add support for the
LAN966x, too.
====================

Link: https://lore.kernel.org/r/20220318201324.1647416-1-michael@walle.cc
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-03-21 22:33:04 -07:00
Michael Walle
74529db3e0 net: mdio: mscc-miim: add lan966x internal phy reset support
The LAN966x has two internal PHYs which are in reset by default. The
driver already supported the internal PHYs of the SparX-5. Now add
support for the LAN966x, too. Add a new compatible to distinguish them.

The LAN966x has additional control bits in this register, thus convert
the regmap_write() to regmap_update_bits() to leave the remaining bits
untouched. This doesn't change anything for the SparX-5 SoC, because
there, the register consists only of reset bits.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-03-21 22:33:02 -07:00
Michael Walle
58ebdba3d8 net: mdio: mscc-miim: replace magic numbers for the bus reset
Replace the magic numbers by macros which are already defined. It seems
the original commit missed to use them.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-03-21 22:33:01 -07:00
Michael Walle
a2e4b5adfd dt-bindings: net: mscc-miim: add lan966x compatible
The MDIO controller has support to release the internal PHYs from reset
by specifying a second memory resource. This is different between the
currently supported SparX-5 and the LAN966x. Add a new compatible to
distinguish between these two.

Signed-off-by: Michael Walle <michael@walle.cc>
Acked-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-03-21 22:33:01 -07:00
Vladimir Oltean
8fd36358ce net: dsa: fix panic on shutdown if multi-chip tree failed to probe
DSA probing is atypical because a tree of devices must probe all at
once, so out of N switches which call dsa_tree_setup_routing_table()
during probe, for (N - 1) of them, "complete" will return false and they
will exit probing early. The Nth switch will set up the whole tree on
their behalf.

The implication is that for (N - 1) switches, the driver binds to the
device successfully, without doing anything. When the driver is bound,
the ->shutdown() method may run. But if the Nth switch has failed to
initialize the tree, there is nothing to do for the (N - 1) driver
instances, since the slave devices have not been created, etc. Moreover,
dsa_switch_shutdown() expects that the calling @ds has been in fact
initialized, so it jumps at dereferencing the various data structures,
which is incorrect.

Avoid the ensuing NULL pointer dereferences by simply checking whether
the Nth switch has previously set "ds->setup = true" for the switch
which is currently shutting down. The entire setup is serialized under
dsa2_mutex which we already hold.

Fixes: 0650bf52b3 ("net: dsa: be compatible with masters which unregister on shutdown")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20220318195443.275026-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-03-21 22:31:28 -07:00
Aaron Conole
60b44ca6bd openvswitch: always update flow key after nat
During NAT, a tuple collision may occur.  When this happens, openvswitch
will make a second pass through NAT which will perform additional packet
modification.  This will update the skb data, but not the flow key that
OVS uses.  This means that future flow lookups, and packet matches will
have incorrect data.  This has been supported since
5d50aa83e2 ("openvswitch: support asymmetric conntrack").

That commit failed to properly update the sw_flow_key attributes, since
it only called the ovs_ct_nat_update_key once, rather than each time
ovs_ct_nat_execute was called.  As these two operations are linked, the
ovs_ct_nat_execute() function should always make sure that the
sw_flow_key is updated after a successful call through NAT infrastructure.

Fixes: 5d50aa83e2 ("openvswitch: support asymmetric conntrack")
Cc: Dumitru Ceara <dceara@redhat.com>
Cc: Numan Siddique <nusiddiq@redhat.com>
Signed-off-by: Aaron Conole <aconole@redhat.com>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Link: https://lore.kernel.org/r/20220318124319.3056455-1-aconole@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-03-21 22:29:10 -07:00
Paulo Alcantara
5d7e282541 cifs: do not skip link targets when an I/O fails
When I/O fails in one of the currently connected DFS targets, retry it
from other targets as specified in MS-DFSC "3.1.5.2 I/O Operation to
+Target Fails with an Error Other Than STATUS_PATH_NOT_COVERED."

Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
2022-03-21 23:30:14 -05:00
Linus Torvalds
b47d5a4f6b audit/stable-5.18 PR 20220321
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Merge tag 'audit-pr-20220321' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

Pull audit update from Paul Moore:
 "Just one audit patch queued for v5.18:

   - Change the AUDIT_TIME_* record generation so that they are
     generated at syscall exit time and subject to all of the normal
     syscall exit filtering.

     This should help reduce noise and ensure those records which are
     most relevant to the admin's audit configuration are recorded in
     the audit log"

* tag 'audit-pr-20220321' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
  audit: log AUDIT_TIME_* records only from rules
2022-03-21 20:53:11 -07:00
Linus Torvalds
c269497d24 selinux/stable-5.18 PR 20220321
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Merge tag 'selinux-pr-20220321' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux

Pull selinux updates from Paul Moore:
 "We've got a number of SELinux patches queued up, the highlights are:

   - Fixup the security_fs_context_parse_param() LSM hook so it executes
     all of the LSM hook implementations unless a serious error occurs.

     We also correct the SELinux hook implementation so that it returns
     zero on success.

   - In addition to a few SELinux mount option parsing fixes, we
     simplified the parsing by moving it earlier in the process.

     The logic was that it was unlikely an admin/user would use the new
     mount API and not have the policy loaded before passing the SELinux
     options.

   - Properly fixed the LSM/SELinux/SCTP hooks with the addition of the
     security_sctp_assoc_established() hook.

     This work was done in conjunction with the netdev folks and should
     complete the move of the SCTP labeling from the endpoints to the
     associations.

   - Fixed a variety of sparse warnings caused by changes in the "__rcu"
     markings of some core kernel structures.

   - Ensure we access the superblock's LSM security blob using the
     stacking-safe accessors.

   - Added the ability for the kernel to always allow FIOCLEX and
     FIONCLEX if the "ioctl_skip_cloexec" policy capability is
     specified.

   - Various constifications improvements, type casting improvements,
     additional return value checks, and dead code/parameter removal.

   - Documentation fixes"

* tag 'selinux-pr-20220321' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux: (23 commits)
  selinux: shorten the policy capability enum names
  docs: fix 'make htmldocs' warning in SCTP.rst
  selinux: allow FIOCLEX and FIONCLEX with policy capability
  selinux: use correct type for context length
  selinux: drop return statement at end of void functions
  security: implement sctp_assoc_established hook in selinux
  security: add sctp_assoc_established hook
  selinux: parse contexts for mount options early
  selinux: various sparse fixes
  selinux: try to use preparsed sid before calling parse_sid()
  selinux: Fix selinux_sb_mnt_opts_compat()
  LSM: general protection fault in legacy_parse_param
  selinux: fix a type cast problem in cred_init_security()
  selinux: drop unused macro
  selinux: simplify cred_init_security
  selinux: do not discard const qualifier in cast
  selinux: drop unused parameter of avtab_insert_node
  selinux: drop cast to same type
  selinux: enclose macro arguments in parenthesis
  selinux: declare name parameter of hash_eval const
  ...
2022-03-21 20:47:54 -07:00