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Before adding a new entry in mptcp_userspace_pm_get_local_id(), it's
better to check whether this address is already in userspace pm local
address list. If it's in the list, no need to add a new entry, just
return it's address ID and use this address.
Fixes: 8b20137012d9 ("mptcp: read attributes of addr entries managed by userspace PMs")
Cc: stable@vger.kernel.org
Signed-off-by: Geliang Tang <geliang.tang@linux.dev>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Most MPTCP-level related fields are under the mptcp data lock
protection, but are written one-off without such lock at MPC
complete time, both for the client and the server
Leverage the mptcp_propagate_state() infrastructure to move such
initialization under the proper lock client-wise.
The server side critical init steps are done by
mptcp_subflow_fully_established(): ensure the caller properly held the
relevant lock, and avoid acquiring the same lock in the nested scopes.
There are no real potential races, as write access to such fields
is implicitly serialized by the MPTCP state machine; the primary
goal is consistency.
Fixes: d22f4988ffec ("mptcp: process MP_CAPABLE data option")
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The 'msk->write_seq' and 'msk->snd_nxt' are always updated under
the msk socket lock, except at MPC handshake completiont time.
Builds-up on the previous commit to move such init under the relevant
lock.
There are no known problems caused by the potential race, the
primary goal is consistency.
Fixes: 6d0060f600ad ("mptcp: Write MPTCP DSS headers to outgoing data packets")
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
mptcp_rcv_space_init() is supposed to happen under the msk socket
lock, but active msk socket does that without such protection.
Leverage the existing mptcp_propagate_state() helper to that extent.
We need to ensure mptcp_rcv_space_init will happen before
mptcp_rcv_space_adjust(), and the release_cb does not assure that:
explicitly check for such condition.
While at it, move the wnd_end initialization out of mptcp_rcv_space_init(),
it never belonged there.
Note that the race does not produce ill effect in practice, but
change allows cleaning-up and defying better the locking model.
Fixes: a6b118febbab ("mptcp: add receive buffer auto-tuning")
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Such field is there to avoid acquiring the data lock in a few spots,
but it adds complexity to the already non trivial locking schema.
All the relevant call sites (mptcp-level re-injection, set socket
options), are slow-path, drop such field in favor of 'cb_flags', adding
the relevant locking.
This patch could be seen as an improvement, instead of a fix. But it
simplifies the next patch. The 'Fixes' tag has been added to help having
this series backported to stable.
Fixes: e9d09baca676 ("mptcp: avoid atomic bit manipulation when possible")
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix rtla so that the following commands exit with 0 when help is invoked
rtla osnoise top -h
rtla osnoise hist -h
rtla timerlat top -h
rtla timerlat hist -h
Link: https://lore.kernel.org/linux-trace-devel/20240203001607.69703-1-jkacur@redhat.com
Cc: stable@vger.kernel.org
Fixes: 1eeb6328e8b3 ("rtla/timerlat: Add timerlat hist mode")
Signed-off-by: John Kacur <jkacur@redhat.com>
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Since the sched_priority for SCHED_OTHER is always 0, it makes no
sence to set it.
Setting nice for SCHED_OTHER seems more meaningful.
Link: https://lkml.kernel.org/r/20240207065142.1753909-1-limingming3@lixiang.com
Cc: stable@vger.kernel.org
Fixes: b1696371d865 ("rtla: Helper functions for rtla")
Signed-off-by: limingming3 <limingming3@lixiang.com>
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Eric Dumazet says:
====================
net: more three misplaced fields
We recently reorganized some structures for better data locality
in networking fast paths.
This series moves three fields that were not correctly classified.
There probably more to come.
Reference : https://lwn.net/Articles/951321/
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
dev->lstats is notably used from loopback ndo_start_xmit()
and other virtual drivers.
Per cpu stats updates are dirtying per-cpu data,
but the pointer itself is read-only.
Fixes: 43a71cd66b9c ("net-device: reorganize net_device fast path variables")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Coco Li <lixiaoyan@google.com>
Cc: Simon Horman <horms@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
tp->tcp_usec_ts is a read mostly field, used in rx and tx fast paths.
Fixes: d5fed5addb2b ("tcp: reorganize tcp_sock fast path variables")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Coco Li <lixiaoyan@google.com>
Cc: Wei Wang <weiwan@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
tp->scaling_ratio is a read mostly field, used in rx and tx fast paths.
Fixes: d5fed5addb2b ("tcp: reorganize tcp_sock fast path variables")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Coco Li <lixiaoyan@google.com>
Cc: Wei Wang <weiwan@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
When compiling rtla with clang, I am getting the following warnings:
$ make HOSTCC=clang CC=clang LLVM_IAS=1
[..]
clang -O -g -DVERSION=\"6.8.0-rc3\" -flto=auto -fexceptions
-fstack-protector-strong -fasynchronous-unwind-tables
-fstack-clash-protection -Wall -Werror=format-security
-Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS
$(pkg-config --cflags libtracefs)
-c -o src/osnoise_hist.o src/osnoise_hist.c
src/osnoise_hist.c:138:6: warning: variable 'bucket' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
138 | if (data->bucket_size)
| ^~~~~~~~~~~~~~~~~
src/osnoise_hist.c:149:6: note: uninitialized use occurs here
149 | if (bucket < entries)
| ^~~~~~
src/osnoise_hist.c:138:2: note: remove the 'if' if its condition is always true
138 | if (data->bucket_size)
| ^~~~~~~~~~~~~~~~~~~~~~
139 | bucket = duration / data->bucket_size;
src/osnoise_hist.c:132:12: note: initialize the variable 'bucket' to silence this warning
132 | int bucket;
| ^
| = 0
1 warning generated.
[...]
clang -O -g -DVERSION=\"6.8.0-rc3\" -flto=auto -fexceptions
-fstack-protector-strong -fasynchronous-unwind-tables
-fstack-clash-protection -Wall -Werror=format-security
-Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS
$(pkg-config --cflags libtracefs)
-c -o src/timerlat_hist.o src/timerlat_hist.c
src/timerlat_hist.c:181:6: warning: variable 'bucket' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
181 | if (data->bucket_size)
| ^~~~~~~~~~~~~~~~~
src/timerlat_hist.c:204:6: note: uninitialized use occurs here
204 | if (bucket < entries)
| ^~~~~~
src/timerlat_hist.c:181:2: note: remove the 'if' if its condition is always true
181 | if (data->bucket_size)
| ^~~~~~~~~~~~~~~~~~~~~~
182 | bucket = latency / data->bucket_size;
src/timerlat_hist.c:175:12: note: initialize the variable 'bucket' to silence this warning
175 | int bucket;
| ^
| = 0
1 warning generated.
This is a legit warning, but data->bucket_size is always > 0 (see
timerlat_hist_parse_args()), so the if is not necessary.
Remove the unneeded if (data->bucket_size) to avoid the warning.
Link: https://lkml.kernel.org/r/6e1b1665cd99042ae705b3e0fc410858c4c42346.1707217097.git.bristot@kernel.org
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Bill Wendling <morbo@google.com>
Cc: Justin Stitt <justinstitt@google.com>
Cc: Donald Zickus <dzickus@redhat.com>
Fixes: 1eeb6328e8b3 ("rtla/timerlat: Add timerlat hist mode")
Fixes: 829a6c0b5698 ("rtla/osnoise: Add the hist mode")
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
timers have been migrated on the CPU down path and thus said timer
will get ignored
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Merge tag 'timers_urgent_for_v6.8_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Borislav Petkov:
- Make sure a warning is issued when a hrtimer gets queued after the
timers have been migrated on the CPU down path and thus said timer
will get ignored
* tag 'timers_urgent_for_v6.8_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
hrtimer: Report offline hrtimer enqueue
such hw can boot again
- Do not take into accout XSTATE buffer size info supplied by userspace
when constructing a sigreturn frame
- Switch get_/put_user* to EX_TYPE_UACCESS exception handling when an
MCE is encountered so that it can be properly recovered from instead
of simply panicking
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Merge tag 'x86_urgent_for_v6.8_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Correct the minimum CPU family for Transmeta Crusoe in Kconfig so
that such hw can boot again
- Do not take into accout XSTATE buffer size info supplied by userspace
when constructing a sigreturn frame
- Switch get_/put_user* to EX_TYPE_UACCESS exception handling when an
MCE is encountered so that it can be properly recovered from instead
of simply panicking
* tag 'x86_urgent_for_v6.8_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/Kconfig: Transmeta Crusoe is CPU family 5, not 6
x86/fpu: Stop relying on userspace for info to fault in xsave buffer
x86/lib: Revert to _ASM_EXTABLE_UA() for {get,put}_user() fixups
Since commit 24778be20f87 ("spi: convert drivers to use
bits_per_word_mask") the bits_per_word variable is only written to. The
check that was there before isn't needed any more as the spi core
ensures that only 8 bit transfers are used, so the variable can go away
together with all assignments to it.
Fixes: 24778be20f87 ("spi: convert drivers to use bits_per_word_mask")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20240210164006.208149-8-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
The driver uses several symbols declared in <linux/platform_device.h>,
e.g module_platform_driver(). Include this header explicitly now that
<linux/of_platform.h> doesn't include <linux/platform_device.h> any
more.
Fixes: ef175b29a242 ("of: Stop circularly including of_device.h and of_platform.h")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20240210164006.208149-6-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
issues or aren't considered to be needed in earlier kernel versions.
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Merge tag 'mm-hotfixes-stable-2024-02-10-11-16' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"21 hotfixes. 12 are cc:stable and the remainder pertain to post-6.7
issues or aren't considered to be needed in earlier kernel versions"
* tag 'mm-hotfixes-stable-2024-02-10-11-16' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (21 commits)
nilfs2: fix potential bug in end_buffer_async_write
mm/damon/sysfs-schemes: fix wrong DAMOS tried regions update timeout setup
nilfs2: fix hang in nilfs_lookup_dirty_data_buffers()
MAINTAINERS: Leo Yan has moved
mm/zswap: don't return LRU_SKIP if we have dropped lru lock
fs,hugetlb: fix NULL pointer dereference in hugetlbs_fill_super
mailmap: switch email address for John Moon
mm: zswap: fix objcg use-after-free in entry destruction
mm/madvise: don't forget to leave lazy MMU mode in madvise_cold_or_pageout_pte_range()
arch/arm/mm: fix major fault accounting when retrying under per-VMA lock
selftests: core: include linux/close_range.h for CLOSE_RANGE_* macros
mm/memory-failure: fix crash in split_huge_page_to_list from soft_offline_page
mm: memcg: optimize parent iteration in memcg_rstat_updated()
nilfs2: fix data corruption in dsync block recovery for small block sizes
mm/userfaultfd: UFFDIO_MOVE implementation should use ptep_get()
exit: wait_task_zombie: kill the no longer necessary spin_lock_irq(siglock)
fs/proc: do_task_stat: use sig->stats_lock to gather the threads/children stats
fs/proc: do_task_stat: move thread_group_cputime_adjusted() outside of lock_task_sighand()
getrusage: use sig->stats_lock rather than lock_task_sighand()
getrusage: move thread_group_cputime_adjusted() outside of lock_task_sighand()
...
Jakub Kicinski says:
====================
net: tls: fix some issues with async encryption
valis was reporting a race on socket close so I sat down to try to fix it.
I used Sabrina's async crypto debug patch to test... and in the process
run into some of the same issues, and created very similar fixes :(
I didn't realize how many of those patches weren't applied. Once I found
Sabrina's code [1] it turned out to be so similar in fact that I added
her S-o-b's and Co-develop'eds in a semi-haphazard way.
With this series in place all expected tests pass with async crypto.
Sabrina had a few more fixes, but I'll leave those to her, things are
not crashing anymore.
[1] https://lore.kernel.org/netdev/cover.1694018970.git.sd@queasysnail.net/
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
We double count async, non-zc rx data. The previous fix was
lucky because if we fully zc async_copy_bytes is 0 so we add 0.
Decrypted already has all the bytes we handled, in all cases.
We don't have to adjust anything, delete the erroneous line.
Fixes: 4d42cd6bc2ac ("tls: rx: fix return value for async crypto")
Co-developed-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This exact case was fail for async crypto and we weren't
catching it.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
tls_decrypt_sg doesn't take a reference on the pages from clear_skb,
so the put_page() in tls_decrypt_done releases them, and we trigger
a use-after-free in process_rx_list when we try to read from the
partially-read skb.
Fixes: fd31f3996af2 ("tls: rx: decrypt into a fresh skb")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since we're setting the CRYPTO_TFM_REQ_MAY_BACKLOG flag on our
requests to the crypto API, crypto_aead_{encrypt,decrypt} can return
-EBUSY instead of -EINPROGRESS in valid situations. For example, when
the cryptd queue for AESNI is full (easy to trigger with an
artificially low cryptd.cryptd_max_cpu_qlen), requests will be enqueued
to the backlog but still processed. In that case, the async callback
will also be called twice: first with err == -EINPROGRESS, which it
seems we can just ignore, then with err == 0.
Compared to Sabrina's original patch this version uses the new
tls_*crypt_async_wait() helpers and converts the EBUSY to
EINPROGRESS to avoid having to modify all the error handling
paths. The handling is identical.
Fixes: a54667f6728c ("tls: Add support for encryption using async offload accelerator")
Fixes: 94524d8fc965 ("net/tls: Add support for async decryption of tls records")
Co-developed-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Link: https://lore.kernel.org/netdev/9681d1febfec295449a62300938ed2ae66983f28.1694018970.git.sd@queasysnail.net/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Similarly to previous commit, the submitting thread (recvmsg/sendmsg)
may exit as soon as the async crypto handler calls complete().
Reorder scheduling the work before calling complete().
This seems more logical in the first place, as it's
the inverse order of what the submitting thread will do.
Reported-by: valis <sec@valis.email>
Fixes: a42055e8d2c3 ("net/tls: Add support for async encryption of records for performance")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
The submitting thread (one which called recvmsg/sendmsg)
may exit as soon as the async crypto handler calls complete()
so any code past that point risks touching already freed data.
Try to avoid the locking and extra flags altogether.
Have the main thread hold an extra reference, this way
we can depend solely on the atomic ref counter for
synchronization.
Don't futz with reiniting the completion, either, we are now
tightly controlling when completion fires.
Reported-by: valis <sec@valis.email>
Fixes: 0cada33241d9 ("net/tls: fix race condition causing kernel panic")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Factor out waiting for async encrypt and decrypt to finish.
There are already multiple copies and a subsequent fix will
need more. No functional changes.
Note that crypto_wait_req() returns wait->err
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'block-6.8-2024-02-10' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- NVMe pull request via Keith:
- Update a potentially stale firmware attribute (Maurizio)
- Fixes for the recent verbose error logging (Keith, Chaitanya)
- Protection information payload size fix for passthrough (Francis)
- Fix for a queue freezing issue in virtblk (Yi)
- blk-iocost underflow fix (Tejun)
- blk-wbt task detection fix (Jan)
* tag 'block-6.8-2024-02-10' of git://git.kernel.dk/linux:
virtio-blk: Ensure no requests in virtqueues before deleting vqs.
blk-iocost: Fix an UBSAN shift-out-of-bounds warning
nvme: use ns->head->pi_size instead of t10_pi_tuple structure size
nvme-core: fix comment to reflect right functions
nvme: move passthrough logging attribute to head
blk-wbt: Fix detection of dirty-throttled tasks
nvme-host: fix the updating of the firmware version
This pull request includes the change to accelerate the device detection
step in some cases.
In the self-identification step after bus-reset, all of nodes in the same
bus broadcast selfID packet including the value of gap count. The value is
related to the cable hops between nodes, and used to calculate the
subaction gap and the arbitration reset gap. When each node has the
different value of the gap count, the asynchronous communication between
them is unreliable, since an asynchronous transaction could be interrupted
by another asynchronous transaction before completion. The gap count
inconsistency can be resolved by several ways; e.g. the transfer of PHY
configuration packet and generation of bus-reset.
Current implementation of firewire stack can correctly detect the gap
count inconsistency, however the recovery action from the inconsistency
tends to be delayed after reading configuration ROM of root node. This
results in the long time to probe devices in some combinations of
hardware. In the pull request, the stack is changed to schedule the
action immediately as possible.
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Merge tag 'firewire-fixes-6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire fix from Takashi Sakamoto:
"A change to accelerate the device detection step in some cases.
In the self-identification step after bus-reset, all nodes in the same
bus broadcast selfID packet including the value of gap count. The
value is related to the cable hops between nodes, and used to
calculate the subaction gap and the arbitration reset gap.
When each node has the different value of the gap count, the
asynchronous communication between them is unreliable, since an
asynchronous transaction could be interrupted by another asynchronous
transaction before completion. The gap count inconsistency can be
resolved by several ways; e.g. the transfer of PHY configuration
packet and generation of bus-reset.
The current implementation of firewire stack can correctly detect the
gap count inconsistency, however the recovery action from the
inconsistency tends to be delayed after reading configuration ROM of
root node. This results in the long time to probe devices in some
combinations of hardware.
Here the stack is changed to schedule the action as soon as possible"
* tag 'firewire-fixes-6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: core: send bus reset promptly on gap count error
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Merge tag '6.8-rc3-ksmbd-server-fixes' of git://git.samba.org/ksmbd
Pull smb server fixes from Steve French:
"Two ksmbd server fixes:
- memory leak fix
- a minor kernel-doc fix"
* tag '6.8-rc3-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: free aux buffer if ksmbd_iov_pin_rsp_read fails
ksmbd: Add kernel-doc for ksmbd_extract_sharename() function
4 small fixes, 3 in drivers with the remaining core fix being a fixup
to the one in the last pull request which didn't entirely move
checking of scsi_host_busy() out from under the host lock.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Three small driver fixes and one core fix.
The core fix being a fixup to the one in the last pull request which
didn't entirely move checking of scsi_host_busy() out from under the
host lock"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: core: Remove the ufshcd_release() in ufshcd_err_handling_prepare()
scsi: ufs: core: Fix shift issue in ufshcd_clear_cmd()
scsi: lpfc: Use unsigned type for num_sge
scsi: core: Move scsi_host_busy() out of host lock if it is for per-command
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Merge tag '6.8-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- reconnect fix
- multichannel channel selection fix
- minor mount warning fix
- reparse point fix
- null pointer check improvement
* tag '6.8-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb3: clarify mount warning
cifs: handle cases where multiple sessions share connection
cifs: change tcon status when need_reconnect is set on it
smb: client: set correct d_type for reparse points under DFS mounts
smb3: add missing null server pointer check
files) and two cap handling fixes from Xiubo and Rishabh.
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Merge tag 'ceph-for-6.8-rc4' of https://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"Some fscrypt-related fixups (sparse reads are used only for encrypted
files) and two cap handling fixes from Xiubo and Rishabh"
* tag 'ceph-for-6.8-rc4' of https://github.com/ceph/ceph-client:
ceph: always check dir caps asynchronously
ceph: prevent use-after-free in encode_cap_msg()
ceph: always set initial i_blkbits to CEPH_FSCRYPT_BLOCK_SHIFT
libceph: just wait for more data to be available on the socket
libceph: rename read_sparse_msg_*() to read_partial_sparse_msg_*()
libceph: fail sparse-read if the data length doesn't match
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Merge tag 'ntfs3_for_6.8' of https://github.com/Paragon-Software-Group/linux-ntfs3
Pull ntfs3 fixes from Konstantin Komarov:
"Fixed:
- size update for compressed file
- some logic errors, overflows
- memory leak
- some code was refactored
Added:
- implement super_operations::shutdown
Improved:
- alternative boot processing
- reduced stack usage"
* tag 'ntfs3_for_6.8' of https://github.com/Paragon-Software-Group/linux-ntfs3: (28 commits)
fs/ntfs3: Slightly simplify ntfs_inode_printk()
fs/ntfs3: Add ioctl operation for directories (FITRIM)
fs/ntfs3: Fix oob in ntfs_listxattr
fs/ntfs3: Fix an NULL dereference bug
fs/ntfs3: Update inode->i_size after success write into compressed file
fs/ntfs3: Fixed overflow check in mi_enum_attr()
fs/ntfs3: Correct function is_rst_area_valid
fs/ntfs3: Use i_size_read and i_size_write
fs/ntfs3: Prevent generic message "attempt to access beyond end of device"
fs/ntfs3: use non-movable memory for ntfs3 MFT buffer cache
fs/ntfs3: Use kvfree to free memory allocated by kvmalloc
fs/ntfs3: Disable ATTR_LIST_ENTRY size check
fs/ntfs3: Fix c/mtime typo
fs/ntfs3: Add NULL ptr dereference checking at the end of attr_allocate_frame()
fs/ntfs3: Add and fix comments
fs/ntfs3: ntfs3_forced_shutdown use int instead of bool
fs/ntfs3: Implement super_operations::shutdown
fs/ntfs3: Drop suid and sgid bits as a part of fpunch
fs/ntfs3: Add file_modified
fs/ntfs3: Correct use bh_read
...
We've had issues with gcc and 'asm goto' before, and we created a
'asm_volatile_goto()' macro for that in the past: see commits
3f0116c3238a ("compiler/gcc4: Add quirk for 'asm goto' miscompilation
bug") and a9f180345f53 ("compiler/gcc4: Make quirk for
asm_volatile_goto() unconditional").
Then, much later, we ended up removing the workaround in commit
43c249ea0b1e ("compiler-gcc.h: remove ancient workaround for gcc PR
58670") because we no longer supported building the kernel with the
affected gcc versions, but we left the macro uses around.
Now, Sean Christopherson reports a new version of a very similar
problem, which is fixed by re-applying that ancient workaround. But the
problem in question is limited to only the 'asm goto with outputs'
cases, so instead of re-introducing the old workaround as-is, let's
rename and limit the workaround to just that much less common case.
It looks like there are at least two separate issues that all hit in
this area:
(a) some versions of gcc don't mark the asm goto as 'volatile' when it
has outputs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98619https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110420
which is easy to work around by just adding the 'volatile' by hand.
(b) Internal compiler errors:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110422
which are worked around by adding the extra empty 'asm' as a
barrier, as in the original workaround.
but the problem Sean sees may be a third thing since it involves bad
code generation (not an ICE) even with the manually added 'volatile'.
but the same old workaround works for this case, even if this feels a
bit like voodoo programming and may only be hiding the issue.
Reported-and-tested-by: Sean Christopherson <seanjc@google.com>
Link: https://lore.kernel.org/all/20240208220604.140859-1-seanjc@google.com/
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Uros Bizjak <ubizjak@gmail.com>
Cc: Jakub Jelinek <jakub@redhat.com>
Cc: Andrew Pinski <quic_apinski@quicinc.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Breno Leitao says:
====================
net: Fix MODULE_DESCRIPTION() for net (p5)
There are hundreds of network modules that misses MODULE_DESCRIPTION(),
causing a warning when compiling with W=1. Example:
WARNING: modpost: missing MODULE_DESCRIPTION() in net/sched/em_cmp.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/sched/em_nbyte.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/sched/em_u32.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/sched/em_meta.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/sched/em_text.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/sched/em_canid.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/ipv4/ip_tunnel.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/ipv4/ipip.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/ipv4/ip_gre.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/ipv4/udp_tunnel.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/ipv4/ip_vti.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/ipv4/ah4.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/ipv4/esp4.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/ipv4/xfrm4_tunnel.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/ipv4/tunnel4.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/xfrm/xfrm_algo.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/xfrm/xfrm_user.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/ipv6/ah6.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/ipv6/esp6.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/ipv6/xfrm6_tunnel.o
WARNING: modpost: missing MODULE_DESCRIPTION() in net/ipv6/tunnel6.o
This part5 of the patchset focus on the missing net/ module, which
are now warning free.
v1: https://lore.kernel.org/all/20240205101400.1480521-1-leitao@debian.org/
v2: https://lore.kernel.org/all/20240207101929.484681-1-leitao@debian.org/
====================
Link: https://lore.kernel.org/r/20240208164244.3818498-1-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the DSA loopback fixed PHY module.
Suggested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Breno Leitao <leitao@debian.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20240208164244.3818498-10-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the IP-VLAN based tap driver.
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240208164244.3818498-9-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the network schedulers.
Suggested-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Link: https://lore.kernel.org/r/20240208164244.3818498-8-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the IPv4 modules.
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240208164244.3818498-7-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the IPv6 modules.
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240208164244.3818498-6-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to IPv6 over Low power Wireless Personal Area Network.
Signed-off-by: Breno Leitao <leitao@debian.org>
Acked-by: Alexander Aring <aahringo@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240208164244.3818498-5-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the PF_KEY socket helpers.
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240208164244.3818498-4-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the Multi-Protocol Over ATM (MPOA) driver.
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240208164244.3818498-3-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the XFRM interface drivers.
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240208164244.3818498-2-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
