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* A fix to align kexec'd kernels to PMD boundries.
* The T-Head dcache.cva encoding was incorrect, it has been fixed to
invalidate all caches (as opposed to just the L1).
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Merge tag 'riscv-for-linus-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A fix to align kexec'd kernels to PMD boundries
- The T-Head dcache.cva encoding was incorrect, it has been fixed to
invalidate all caches (as opposed to just the L1)
* tag 'riscv-for-linus-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: errata: fix T-Head dcache.cva encoding
riscv: kexec: Align the kexeced kernel entry
Current release - regressions:
- bcmasp: fix possible OOB write in bcmasp_netfilt_get_all_active()
Previous releases - regressions:
- ipv4: fix one memleak in __inet_del_ifa()
- tcp: fix bind() regressions for v4-mapped-v6 addresses.
- tls: do not free tls_rec on async operation in bpf_exec_tx_verdict()
- dsa: fixes for SJA1105 FDB regressions
- veth: update XDP feature set when bringing up device
- igb: fix hangup when enabling SR-IOV
Previous releases - always broken:
- kcm: fix memory leak in error path of kcm_sendmsg()
- smc: fix data corruption in smcr_port_add
- microchip: fix possible memory leak for vcap_dup_rule()
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Quite unusually, this does not contains any fix coming from subtrees
(nf, ebpf, wifi, etc).
Current release - regressions:
- bcmasp: fix possible OOB write in bcmasp_netfilt_get_all_active()
Previous releases - regressions:
- ipv4: fix one memleak in __inet_del_ifa()
- tcp: fix bind() regressions for v4-mapped-v6 addresses.
- tls: do not free tls_rec on async operation in
bpf_exec_tx_verdict()
- dsa: fixes for SJA1105 FDB regressions
- veth: update XDP feature set when bringing up device
- igb: fix hangup when enabling SR-IOV
Previous releases - always broken:
- kcm: fix memory leak in error path of kcm_sendmsg()
- smc: fix data corruption in smcr_port_add
- microchip: fix possible memory leak for vcap_dup_rule()"
* tag 'net-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (37 commits)
kcm: Fix error handling for SOCK_DGRAM in kcm_sendmsg().
net: renesas: rswitch: Add spin lock protection for irq {un}mask
net: renesas: rswitch: Fix unmasking irq condition
igb: clean up in all error paths when enabling SR-IOV
ixgbe: fix timestamp configuration code
selftest: tcp: Add v4-mapped-v6 cases in bind_wildcard.c.
selftest: tcp: Move expected_errno into each test case in bind_wildcard.c.
selftest: tcp: Fix address length in bind_wildcard.c.
tcp: Fix bind() regression for v4-mapped-v6 non-wildcard address.
tcp: Fix bind() regression for v4-mapped-v6 wildcard address.
tcp: Factorise sk_family-independent comparison in inet_bind2_bucket_match(_addr_any).
ipv6: fix ip6_sock_set_addr_preferences() typo
veth: Update XDP feature set when bringing up device
net: macb: fix sleep inside spinlock
net/tls: do not free tls_rec on async operation in bpf_exec_tx_verdict()
net: ethernet: mtk_eth_soc: fix pse_port configuration for MT7988
net: ethernet: mtk_eth_soc: fix uninitialized variable
kcm: Fix memory leak in error path of kcm_sendmsg()
r8152: check budget for r8152_poll()
net: dsa: sja1105: block FDB accesses that are concurrent with a switch reset
...
syzkaller found a memory leak in kcm_sendmsg(), and commit c821a88bd720
("kcm: Fix memory leak in error path of kcm_sendmsg()") suppressed it by
updating kcm_tx_msg(head)->last_skb if partial data is copied so that the
following sendmsg() will resume from the skb.
However, we cannot know how many bytes were copied when we get the error.
Thus, we could mess up the MSG_MORE queue.
When kcm_sendmsg() fails for SOCK_DGRAM, we should purge the queue as we
do so for UDP by udp_flush_pending_frames().
Even without this change, when the error occurred, the following sendmsg()
resumed from a wrong skb and the queue was messed up. However, we have
yet to get such a report, and only syzkaller stumbled on it. So, this
can be changed safely.
Note this does not change SOCK_SEQPACKET behaviour.
Fixes: c821a88bd720 ("kcm: Fix memory leak in error path of kcm_sendmsg()")
Fixes: ab7ac4eb9832 ("kcm: Kernel Connection Multiplexor module")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20230912022753.33327-1-kuniyu@amazon.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Yoshihiro Shimoda says:
====================
net: renesas: rswitch: Fix a lot of redundant irq issue
After this patch series was applied, a lot of redundant interrupts
no longer occur.
For example: when "iperf3 -c <ipaddr> -R" on R-Car S4-8 Spider
Before the patches are applied: about 800,000 times happened
After the patches were applied: about 100,000 times happened
====================
Link: https://lore.kernel.org/r/20230912014936.3175430-1-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Add spin lock protection for irq {un}mask registers' control.
After napi_complete_done() and this protection were applied,
a lot of redundant interrupts no longer occur.
For example: when "iperf3 -c <ipaddr> -R" on R-Car S4-8 Spider
Before the patches are applied: about 800,000 times happened
After the patches were applied: about 100,000 times happened
Fixes: 3590918b5d07 ("net: ethernet: renesas: Add support for "Ethernet Switch"")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Ideally "pmdomain" should give a better hint of the purpose of the
subsystem.
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Merge tag 'pmdomain-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
Pull genpm / pmdomain rename from Ulf Hansson:
"This renames the genpd subsystem to pmdomain.
As discussed on LKML, using 'genpd' as the name of a subsystem isn't
very self-explanatory and the acronym itself that means Generic PM
Domain, is known only by a limited group of people.
The suggestion to improve the situation is to rename the subsystem to
'pmdomain', which there seems to be a good consensus around using.
Ideally it should indicate that its purpose is to manage Power Domains
or 'PM domains' as we often also use within the Linux Kernel
terminology"
* tag 'pmdomain-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm:
pmdomain: Rename the genpd subsystem to pmdomain
This pull request contains a critical fix for my previous pull request.
BR, Jarkko
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Merge tag 'tpmdd-v6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull tpm fix from Jarkko Sakkinen.
* tag 'tpmdd-v6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
tpm: Fix typo in tpmrm class definition
* fix reference to exported symbols for parisc64 [Masahiro Yamada]
* Block-TLB (BTLB) support on 32-bit CPUs
* sparse and build-warning fixes
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Merge tag 'parisc-for-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc architecture fixes from Helge Deller:
- fix reference to exported symbols for parisc64 [Masahiro Yamada]
- Block-TLB (BTLB) support on 32-bit CPUs
- sparse and build-warning fixes
* tag 'parisc-for-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
linux/export: fix reference to exported functions for parisc64
parisc: BTLB: Initialize BTLB tables at CPU startup
parisc: firmware: Simplify calling non-PA20 functions
parisc: BTLB: _edata symbol has to be page aligned for BTLB support
parisc: BTLB: Add BTLB insert and purge firmware function wrappers
parisc: BTLB: Clear possibly existing BTLB entries
parisc: Prepare for Block-TLB support on 32-bit kernel
parisc: shmparam.h: Document aliasing requirements of PA-RISC
parisc: irq: Make irq_stack_union static to avoid sparse warning
parisc: drivers: Fix sparse warning
parisc: iosapic.c: Fix sparse warnings
parisc: ccio-dma: Fix sparse warnings
parisc: sba-iommu: Fix sparse warnigs
parisc: sba: Fix compile warning wrt list of SBA devices
parisc: sba_iommu: Fix build warning if procfs if disabled
- Add missing LOCKDOWN checks for eventfs callers
When LOCKDOWN is active for tracing, it causes inconsistent state
when some functions succeed and others fail.
- Use dput() to free the top level eventfs descriptor
There was a race between accesses and freeing it.
- Fix a long standing bug that eventfs exposed due to changing timings
by dynamically creating files. That is, If a event file is opened
for an instance, there's nothing preventing the instance from being
removed which will make accessing the files cause use-after-free bugs.
- Fix a ring buffer race that happens when iterating over the ring
buffer while writers are active. Check to make sure not to read
the event meta data if it's beyond the end of the ring buffer sub buffer.
- Fix the print trigger that disappeared because the test to create it
was looking for the event dir field being filled, but now it has the
"ef" field filled for the eventfs structure.
- Remove the unused "dir" field from the event structure.
- Fix the order of the trace_dynamic_info as it had it backwards for the
offset and len fields for which one was for which endianess.
- Fix NULL pointer dereference with eventfs_remove_rec()
If an allocation fails in one of the eventfs_add_*() functions,
the caller of it in event_subsystem_dir() or event_create_dir()
assigns the result to the structure. But it's assigning the ERR_PTR
and not NULL. This was passed to eventfs_remove_rec() which expects
either a good pointer or a NULL, not ERR_PTR. The fix is to not
assign the ERR_PTR to the structure, but to keep it NULL on error.
- Fix list_for_each_rcu() to use list_for_each_srcu() in
dcache_dir_open_wrapper(). One iteration of the code used RCU
but because it had to call sleepable code, it had to be changed
to use SRCU, but one of the iterations was missed.
- Fix synthetic event print function to use "as_u64" instead of
passing in a pointer to the union. To fix big/little endian issues,
the u64 that represented several types was turned into a union to
define the types properly.
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Merge tag 'trace-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Add missing LOCKDOWN checks for eventfs callers
When LOCKDOWN is active for tracing, it causes inconsistent state
when some functions succeed and others fail.
- Use dput() to free the top level eventfs descriptor
There was a race between accesses and freeing it.
- Fix a long standing bug that eventfs exposed due to changing timings
by dynamically creating files. That is, If a event file is opened for
an instance, there's nothing preventing the instance from being
removed which will make accessing the files cause use-after-free
bugs.
- Fix a ring buffer race that happens when iterating over the ring
buffer while writers are active. Check to make sure not to read the
event meta data if it's beyond the end of the ring buffer sub buffer.
- Fix the print trigger that disappeared because the test to create it
was looking for the event dir field being filled, but now it has the
"ef" field filled for the eventfs structure.
- Remove the unused "dir" field from the event structure.
- Fix the order of the trace_dynamic_info as it had it backwards for
the offset and len fields for which one was for which endianess.
- Fix NULL pointer dereference with eventfs_remove_rec()
If an allocation fails in one of the eventfs_add_*() functions, the
caller of it in event_subsystem_dir() or event_create_dir() assigns
the result to the structure. But it's assigning the ERR_PTR and not
NULL. This was passed to eventfs_remove_rec() which expects either a
good pointer or a NULL, not ERR_PTR. The fix is to not assign the
ERR_PTR to the structure, but to keep it NULL on error.
- Fix list_for_each_rcu() to use list_for_each_srcu() in
dcache_dir_open_wrapper(). One iteration of the code used RCU but
because it had to call sleepable code, it had to be changed to use
SRCU, but one of the iterations was missed.
- Fix synthetic event print function to use "as_u64" instead of passing
in a pointer to the union. To fix big/little endian issues, the u64
that represented several types was turned into a union to define the
types properly.
* tag 'trace-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
eventfs: Fix the NULL pointer dereference bug in eventfs_remove_rec()
tracefs/eventfs: Use list_for_each_srcu() in dcache_dir_open_wrapper()
tracing/synthetic: Print out u64 values properly
tracing/synthetic: Fix order of struct trace_dynamic_info
selftests/ftrace: Fix dependencies for some of the synthetic event tests
tracing: Remove unused trace_event_file dir field
tracing: Use the new eventfs descriptor for print trigger
ring-buffer: Do not attempt to read past "commit"
tracefs/eventfs: Free top level files on removal
ring-buffer: Avoid softlockup in ring_buffer_resize()
tracing: Have event inject files inc the trace array ref count
tracing: Have option files inc the trace array ref count
tracing: Have current_trace inc the trace array ref count
tracing: Have tracing_max_latency inc the trace array ref count
tracing: Increase trace array ref count on enable and filter files
tracefs/eventfs: Use dput to free the toplevel events directory
tracefs/eventfs: Add missing lockdown checks
tracefs: Add missing lockdown check to tracefs_create_dir()
After commit 50f303496d92 ("igb: Enable SR-IOV after reinit"), removing
the igb module could hang or crash (depending on the machine) when the
module has been loaded with the max_vfs parameter set to some value != 0.
In case of one test machine with a dual port 82580, this hang occurred:
[ 232.480687] igb 0000:41:00.1: removed PHC on enp65s0f1
[ 233.093257] igb 0000:41:00.1: IOV Disabled
[ 233.329969] pcieport 0000:40:01.0: AER: Multiple Uncorrected (Non-Fatal) err0
[ 233.340302] igb 0000:41:00.0: PCIe Bus Error: severity=Uncorrected (Non-Fata)
[ 233.352248] igb 0000:41:00.0: device [8086:1516] error status/mask=00100000
[ 233.361088] igb 0000:41:00.0: [20] UnsupReq (First)
[ 233.368183] igb 0000:41:00.0: AER: TLP Header: 40000001 0000040f cdbfc00c c
[ 233.376846] igb 0000:41:00.1: PCIe Bus Error: severity=Uncorrected (Non-Fata)
[ 233.388779] igb 0000:41:00.1: device [8086:1516] error status/mask=00100000
[ 233.397629] igb 0000:41:00.1: [20] UnsupReq (First)
[ 233.404736] igb 0000:41:00.1: AER: TLP Header: 40000001 0000040f cdbfc00c c
[ 233.538214] pci 0000:41:00.1: AER: can't recover (no error_detected callback)
[ 233.538401] igb 0000:41:00.0: removed PHC on enp65s0f0
[ 233.546197] pcieport 0000:40:01.0: AER: device recovery failed
[ 234.157244] igb 0000:41:00.0: IOV Disabled
[ 371.619705] INFO: task irq/35-aerdrv:257 blocked for more than 122 seconds.
[ 371.627489] Not tainted 6.4.0-dirty #2
[ 371.632257] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this.
[ 371.641000] task:irq/35-aerdrv state:D stack:0 pid:257 ppid:2 f0
[ 371.650330] Call Trace:
[ 371.653061] <TASK>
[ 371.655407] __schedule+0x20e/0x660
[ 371.659313] schedule+0x5a/0xd0
[ 371.662824] schedule_preempt_disabled+0x11/0x20
[ 371.667983] __mutex_lock.constprop.0+0x372/0x6c0
[ 371.673237] ? __pfx_aer_root_reset+0x10/0x10
[ 371.678105] report_error_detected+0x25/0x1c0
[ 371.682974] ? __pfx_report_normal_detected+0x10/0x10
[ 371.688618] pci_walk_bus+0x72/0x90
[ 371.692519] pcie_do_recovery+0xb2/0x330
[ 371.696899] aer_process_err_devices+0x117/0x170
[ 371.702055] aer_isr+0x1c0/0x1e0
[ 371.705661] ? __set_cpus_allowed_ptr+0x54/0xa0
[ 371.710723] ? __pfx_irq_thread_fn+0x10/0x10
[ 371.715496] irq_thread_fn+0x20/0x60
[ 371.719491] irq_thread+0xe6/0x1b0
[ 371.723291] ? __pfx_irq_thread_dtor+0x10/0x10
[ 371.728255] ? __pfx_irq_thread+0x10/0x10
[ 371.732731] kthread+0xe2/0x110
[ 371.736243] ? __pfx_kthread+0x10/0x10
[ 371.740430] ret_from_fork+0x2c/0x50
[ 371.744428] </TASK>
The reproducer was a simple script:
#!/bin/sh
for i in `seq 1 5`; do
modprobe -rv igb
modprobe -v igb max_vfs=1
sleep 1
modprobe -rv igb
done
It turned out that this could only be reproduce on 82580 (quad and
dual-port), but not on 82576, i350 and i210. Further debugging showed
that igb_enable_sriov()'s call to pci_enable_sriov() is failing, because
dev->is_physfn is 0 on 82580.
Prior to commit 50f303496d92 ("igb: Enable SR-IOV after reinit"),
igb_enable_sriov() jumped into the "err_out" cleanup branch. After this
commit it only returned the error code.
So the cleanup didn't take place, and the incorrect VF setup in the
igb_adapter structure fooled the igb driver into assuming that VFs have
been set up where no VF actually existed.
Fix this problem by cleaning up again if pci_enable_sriov() fails.
Fixes: 50f303496d92 ("igb: Enable SR-IOV after reinit")
Signed-off-by: Corinna Vinschen <vinschen@redhat.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The commit in fixes introduced flags to control the status of hardware
configuration while processing packets. At the same time another structure
is used to provide configuration of timestamper to user-space applications.
The way it was coded makes this structures go out of sync easily. The
repro is easy for 82599 chips:
[root@hostname ~]# hwstamp_ctl -i eth0 -r 12 -t 1
current settings:
tx_type 0
rx_filter 0
new settings:
tx_type 1
rx_filter 12
The eth0 device is properly configured to timestamp any PTPv2 events.
[root@hostname ~]# hwstamp_ctl -i eth0 -r 1 -t 1
current settings:
tx_type 1
rx_filter 12
SIOCSHWTSTAMP failed: Numerical result out of range
The requested time stamping mode is not supported by the hardware.
The error is properly returned because HW doesn't support all packets
timestamping. But the adapter->flags is cleared of timestamp flags
even though no HW configuration was done. From that point no RX timestamps
are received by user-space application. But configuration shows good
values:
[root@hostname ~]# hwstamp_ctl -i eth0
current settings:
tx_type 1
rx_filter 12
Fix the issue by applying new flags only when the HW was actually
configured.
Fixes: a9763f3cb54c ("ixgbe: Update PTP to support X550EM_x devices")
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It has been pointed out that naming a subsystem "genpd" isn't very
self-explanatory and the acronym itself that means Generic PM Domain, is
known only by a limited group of people.
In a way to improve the situation, let's rename the subsystem to pmdomain,
which ideally should indicate that this is about so called Power Domains or
"PM domains" as we often also use within the Linux Kernel terminology.
Suggested-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230912221127.487327-1-ulf.hansson@linaro.org
Kuniyuki Iwashima says:
====================
tcp: Fix bind() regression for v4-mapped-v6 address
Since bhash2 was introduced, bind() is broken in two cases related
to v4-mapped-v6 address.
This series fixes the regression and adds test to cover the cases.
Changes:
v2:
* Added patch 1 to factorise duplicated comparison (Eric Dumazet)
v1: https://lore.kernel.org/netdev/20230911165106.39384-1-kuniyu@amazon.com/
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
We add these 8 test cases in bind_wildcard.c to check bind() conflicts.
1st bind() 2nd bind()
--------- ---------
0.0.0.0 ::FFFF:0.0.0.0
::FFFF:0.0.0.0 0.0.0.0
0.0.0.0 ::FFFF:127.0.0.1
::FFFF:127.0.0.1 0.0.0.0
127.0.0.1 ::FFFF:0.0.0.0
::FFFF:0.0.0.0 127.0.0.1
127.0.0.1 ::FFFF:127.0.0.1
::FFFF:127.0.0.1 127.0.0.1
All test passed without bhash2 and with bhash2 and this series.
Before bhash2:
$ uname -r
6.0.0-rc1-00393-g0bf73255d3a3
$ ./bind_wildcard
...
# PASSED: 16 / 16 tests passed.
Just after bhash2:
$ uname -r
6.0.0-rc1-00394-g28044fc1d495
$ ./bind_wildcard
...
ok 15 bind_wildcard.v4_local_v6_v4mapped_local.v4_v6
not ok 16 bind_wildcard.v4_local_v6_v4mapped_local.v6_v4
# FAILED: 15 / 16 tests passed.
On net.git:
$ ./bind_wildcard
...
not ok 14 bind_wildcard.v4_local_v6_v4mapped_any.v6_v4
not ok 16 bind_wildcard.v4_local_v6_v4mapped_local.v6_v4
# FAILED: 13 / 16 tests passed.
With this series:
$ ./bind_wildcard
...
# PASSED: 16 / 16 tests passed.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is a preparation patch for the following patch.
Let's define expected_errno in each test case so that we can add other test
cases easily.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The selftest passes the IPv6 address length for an IPv4 address.
We should pass the correct length.
Note inet_bind_sk() does not check if the size is larger than
sizeof(struct sockaddr_in), so there is no real bug in this
selftest.
Fixes: 13715acf8ab5 ("selftest: Add test for bind() conflicts.")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since bhash2 was introduced, the example below does not work as expected.
These two bind() should conflict, but the 2nd bind() now succeeds.
from socket import *
s1 = socket(AF_INET6, SOCK_STREAM)
s1.bind(('::ffff:127.0.0.1', 0))
s2 = socket(AF_INET, SOCK_STREAM)
s2.bind(('127.0.0.1', s1.getsockname()[1]))
During the 2nd bind() in inet_csk_get_port(), inet_bind2_bucket_find()
fails to find the 1st socket's tb2, so inet_bind2_bucket_create() allocates
a new tb2 for the 2nd socket. Then, we call inet_csk_bind_conflict() that
checks conflicts in the new tb2 by inet_bhash2_conflict(). However, the
new tb2 does not include the 1st socket, thus the bind() finally succeeds.
In this case, inet_bind2_bucket_match() must check if AF_INET6 tb2 has
the conflicting v4-mapped-v6 address so that inet_bind2_bucket_find()
returns the 1st socket's tb2.
Note that if we bind two sockets to 127.0.0.1 and then ::FFFF:127.0.0.1,
the 2nd bind() fails properly for the same reason mentinoed in the previous
commit.
Fixes: 28044fc1d495 ("net: Add a bhash2 table hashed by port and address")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Andrei Vagin <avagin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Andrei Vagin reported bind() regression with strace logs.
If we bind() a TCPv6 socket to ::FFFF:0.0.0.0 and then bind() a TCPv4
socket to 127.0.0.1, the 2nd bind() should fail but now succeeds.
from socket import *
s1 = socket(AF_INET6, SOCK_STREAM)
s1.bind(('::ffff:0.0.0.0', 0))
s2 = socket(AF_INET, SOCK_STREAM)
s2.bind(('127.0.0.1', s1.getsockname()[1]))
During the 2nd bind(), if tb->family is AF_INET6 and sk->sk_family is
AF_INET in inet_bind2_bucket_match_addr_any(), we still need to check
if tb has the v4-mapped-v6 wildcard address.
The example above does not work after commit 5456262d2baa ("net: Fix
incorrect address comparison when searching for a bind2 bucket"), but
the blamed change is not the commit.
Before the commit, the leading zeros of ::FFFF:0.0.0.0 were treated
as 0.0.0.0, and the sequence above worked by chance. Technically, this
case has been broken since bhash2 was introduced.
Note that if we bind() two sockets to 127.0.0.1 and then ::FFFF:0.0.0.0,
the 2nd bind() fails properly because we fall back to using bhash to
detect conflicts for the v4-mapped-v6 address.
Fixes: 28044fc1d495 ("net: Add a bhash2 table hashed by port and address")
Reported-by: Andrei Vagin <avagin@google.com>
Closes: https://lore.kernel.org/netdev/ZPuYBOFC8zsK6r9T@google.com/
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is a prep patch to make the following patches cleaner that touch
inet_bind2_bucket_match() and inet_bind2_bucket_match_addr_any().
Both functions have duplicated comparison for netns, port, and l3mdev.
Let's factorise them.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The dcache.cva encoding shown in the comments are wrong, it's for
dcache.cval1 (which is restricted to L1) instead.
Fix this in the comment and in the hardcoded instruction.
Signed-off-by: Icenowy Zheng <uwu@icenowy.me>
Tested-by: Sergey Matyukevich <sergey.matyukevich@syntacore.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Guo Ren <guoren@kernel.org>
Tested-by: Drew Fustini <dfustini@baylibre.com>
Link: https://lore.kernel.org/r/20230912072410.2481-1-jszhang@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
The current riscv boot protocol requires 2MB alignment for RV64
and 4MB alignment for RV32.
In KEXEC_FILE path, the elf_find_pbase() function should align
the kexeced kernel entry according to the requirement, otherwise
the kexeced kernel would silently BUG at the setup_vm().
Fixes: 8acea455fafa ("RISC-V: Support for kexec_file on panic")
Signed-off-by: Song Shuai <songshuaishuai@tinylab.org>
Link: https://lore.kernel.org/r/20230906095817.364390-1-songshuaishuai@tinylab.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Commit d2e8071bed0be ("tpm: make all 'class' structures const")
unfortunately had a typo for the name on tpmrm.
Fixes: d2e8071bed0b ("tpm: make all 'class' structures const")
Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Merge tag 'for-6.6-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- several fixes for handling directory item (inserting, removing,
iteration, error handling)
- fix transaction commit stalls when auto relocation is running and
blocks other tasks that want to commit
- fix a build error when DEBUG is enabled
- fix lockdep warning in inode number lookup ioctl
- fix race when finishing block group creation
- remove link to obsolete wiki in several files
* tag 'for-6.6-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
MAINTAINERS: remove links to obsolete btrfs.wiki.kernel.org
btrfs: assert delayed node locked when removing delayed item
btrfs: remove BUG() after failure to insert delayed dir index item
btrfs: improve error message after failure to add delayed dir index item
btrfs: fix a compilation error if DEBUG is defined in btree_dirty_folio
btrfs: check for BTRFS_FS_ERROR in pending ordered assert
btrfs: fix lockdep splat and potential deadlock after failure running delayed items
btrfs: do not block starts waiting on previous transaction commit
btrfs: release path before inode lookup during the ino lookup ioctl
btrfs: fix race between finishing block group creation and its item update
Highlights
- Various platform/mellanox fixes
- 1 new DMI quirk for asus-wmi
The following is an automated git shortlog grouped by driver:
asus-wmi:
- Support 2023 ROG X16 tablet mode
platform/mellanox:
- NVSW_SN2201 should depend on ACPI
- mlxbf-bootctl: add NET dependency into Kconfig
- mlxbf-pmc: Fix reading of unprogrammed events
- mlxbf-pmc: Fix potential buffer overflows
- mlxbf-tmfifo: Drop jumbo frames
- mlxbf-tmfifo: Drop the Rx packet if no more descriptors
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Merge tag 'platform-drivers-x86-v6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
- various platform/mellanox fixes
- one new DMI quirk for asus-wmi
* tag 'platform-drivers-x86-v6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: asus-wmi: Support 2023 ROG X16 tablet mode
platform/mellanox: NVSW_SN2201 should depend on ACPI
platform/mellanox: mlxbf-bootctl: add NET dependency into Kconfig
platform/mellanox: mlxbf-pmc: Fix reading of unprogrammed events
platform/mellanox: mlxbf-pmc: Fix potential buffer overflows
platform/mellanox: mlxbf-tmfifo: Drop jumbo frames
platform/mellanox: mlxbf-tmfifo: Drop the Rx packet if no more descriptors
ip6_sock_set_addr_preferences() second argument should be an integer.
SUNRPC attempts to set IPV6_PREFER_SRC_PUBLIC were
translated to IPV6_PREFER_SRC_TMP
Fixes: 18d5ad623275 ("ipv6: add ip6_sock_set_addr_preferences")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230911154213.713941-1-edumazet@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This kselftest fixes update for Linux 6.6-rc2 consists of fixes
-- kselftest runner script to propagate SIGTERM to runner child
to avoid kselftest hang.
-- to install symlinks required for test execution to avoid test
failures.
-- kselftest dependency checker script argument parsing.
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Merge tag 'linux-kselftest-next-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
- kselftest runner script to propagate SIGTERM to runner child
to avoid kselftest hang
- install symlinks required for test execution to avoid test
failures
- kselftest dependency checker script argument parsing
* tag 'linux-kselftest-next-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: Keep symlinks, when possible
selftests: fix dependency checker script
kselftest/runner.sh: Propagate SIGTERM to runner child
selftests/ftrace: Correctly enable event in instance-event.tc
This kunit update for Linux 6.6-rc2 consists of important fixes to
possible memory leak, null-ptr-deref, wild-memory-access, and error
path bugs.
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Merge tag 'linux-kselftest-kunit-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kunit fixes from Shuah Khan:
"Fixes to possible memory leak, null-ptr-deref, wild-memory-access, and
error path bugs"
* tag 'linux-kselftest-kunit-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kunit: Fix possible memory leak in kunit_filter_suites()
kunit: Fix possible null-ptr-deref in kunit_parse_glob_filter()
kunit: Fix the wrong err path and add goto labels in kunit_filter_suites()
kunit: Fix wild-memory-access bug in kunit_free_suite_set()
kunit: test: Make filter strings in executor_test writable
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Merge tag 'ovl-fixes-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs
Pull overlayfs fixes from Amir Goldstein:
"Two fixes for pretty old regressions"
* tag 'ovl-fixes-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs:
ovl: fix incorrect fdput() on aio completion
ovl: fix failed copyup of fileattr on a symlink
John David Anglin reported parisc has been broken since commit
ddb5cdbafaaa ("kbuild: generate KSYMTAB entries by modpost").
Like ia64, parisc64 uses a function descriptor. The function
references must be prefixed with P%.
Also, symbols prefixed $$ from the library have the symbol type
STT_LOPROC instead of STT_FUNC. They should be handled as functions
too.
Fixes: ddb5cdbafaaa ("kbuild: generate KSYMTAB entries by modpost")
Reported-by: John David Anglin <dave.anglin@bell.net>
Tested-by: John David Anglin <dave.anglin@bell.net>
Tested-by: Helge Deller <deller@gmx.de>
Closes: https://lore.kernel.org/linux-parisc/1901598a-e11d-f7dd-a5d9-9a69d06e6b6e@bell.net/T/#u
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Helge Deller <deller@gmx.de>
There's an early return in veth_set_features() if the device is in a down
state, which leads to the XDP feature flags not being updated when enabling
GRO while the device is down. Which in turn leads to XDP_REDIRECT not
working, because the redirect code now checks the flags.
Fix this by updating the feature flags after bringing the device up.
Before this patch:
NETDEV_XDP_ACT_BASIC: yes
NETDEV_XDP_ACT_REDIRECT: yes
NETDEV_XDP_ACT_NDO_XMIT: no
NETDEV_XDP_ACT_XSK_ZEROCOPY: no
NETDEV_XDP_ACT_HW_OFFLOAD: no
NETDEV_XDP_ACT_RX_SG: yes
NETDEV_XDP_ACT_NDO_XMIT_SG: no
After this patch:
NETDEV_XDP_ACT_BASIC: yes
NETDEV_XDP_ACT_REDIRECT: yes
NETDEV_XDP_ACT_NDO_XMIT: yes
NETDEV_XDP_ACT_XSK_ZEROCOPY: no
NETDEV_XDP_ACT_HW_OFFLOAD: no
NETDEV_XDP_ACT_RX_SG: yes
NETDEV_XDP_ACT_NDO_XMIT_SG: yes
Fixes: fccca038f300 ("veth: take into account device reconfiguration for xdp_features flag")
Fixes: 66c0e13ad236 ("drivers: net: turn on XDP features")
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://lore.kernel.org/r/20230911135826.722295-1-toke@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
macb_set_tx_clk() is called under a spinlock but itself calls clk_set_rate()
which can sleep. This results in:
| BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580
| pps pps1: new PPS source ptp1
| in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 40, name: kworker/u4:3
| preempt_count: 1, expected: 0
| RCU nest depth: 0, expected: 0
| 4 locks held by kworker/u4:3/40:
| #0: ffff000003409148
| macb ff0c0000.ethernet: gem-ptp-timer ptp clock registered.
| ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x14c/0x51c
| #1: ffff8000833cbdd8 ((work_completion)(&pl->resolve)){+.+.}-{0:0}, at: process_one_work+0x14c/0x51c
| #2: ffff000004f01578 (&pl->state_mutex){+.+.}-{4:4}, at: phylink_resolve+0x44/0x4e8
| #3: ffff000004f06f50 (&bp->lock){....}-{3:3}, at: macb_mac_link_up+0x40/0x2ac
| irq event stamp: 113998
| hardirqs last enabled at (113997): [<ffff800080e8503c>] _raw_spin_unlock_irq+0x30/0x64
| hardirqs last disabled at (113998): [<ffff800080e84478>] _raw_spin_lock_irqsave+0xac/0xc8
| softirqs last enabled at (113608): [<ffff800080010630>] __do_softirq+0x430/0x4e4
| softirqs last disabled at (113597): [<ffff80008001614c>] ____do_softirq+0x10/0x1c
| CPU: 0 PID: 40 Comm: kworker/u4:3 Not tainted 6.5.0-11717-g9355ce8b2f50-dirty #368
| Hardware name: ... ZynqMP ... (DT)
| Workqueue: events_power_efficient phylink_resolve
| Call trace:
| dump_backtrace+0x98/0xf0
| show_stack+0x18/0x24
| dump_stack_lvl+0x60/0xac
| dump_stack+0x18/0x24
| __might_resched+0x144/0x24c
| __might_sleep+0x48/0x98
| __mutex_lock+0x58/0x7b0
| mutex_lock_nested+0x24/0x30
| clk_prepare_lock+0x4c/0xa8
| clk_set_rate+0x24/0x8c
| macb_mac_link_up+0x25c/0x2ac
| phylink_resolve+0x178/0x4e8
| process_one_work+0x1ec/0x51c
| worker_thread+0x1ec/0x3e4
| kthread+0x120/0x124
| ret_from_fork+0x10/0x20
The obvious fix is to move the call to macb_set_tx_clk() out of the
protected area. This seems safe as rx and tx are both disabled anyway at
this point.
It is however not entirely clear what the spinlock shall protect. It
could be the read-modify-write access to the NCFGR register, but this
is accessed in macb_set_rx_mode() and macb_set_rxcsum_feature() as well
without holding the spinlock. It could also be the register accesses
done in mog_init_rings() or macb_init_buffers(), but again these
functions are called without holding the spinlock in macb_hresp_error_task().
The locking seems fishy in this driver and it might deserve another look
before this patch is applied.
Fixes: 633e98a711ac0 ("net: macb: use resolved link config in mac_link_up()")
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Link: https://lore.kernel.org/r/20230908112913.1701766-1-s.hauer@pengutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
I got the below warning when do fuzzing test:
BUG: KASAN: null-ptr-deref in scatterwalk_copychunks+0x320/0x470
Read of size 4 at addr 0000000000000008 by task kworker/u8:1/9
CPU: 0 PID: 9 Comm: kworker/u8:1 Tainted: G OE
Hardware name: linux,dummy-virt (DT)
Workqueue: pencrypt_parallel padata_parallel_worker
Call trace:
dump_backtrace+0x0/0x420
show_stack+0x34/0x44
dump_stack+0x1d0/0x248
__kasan_report+0x138/0x140
kasan_report+0x44/0x6c
__asan_load4+0x94/0xd0
scatterwalk_copychunks+0x320/0x470
skcipher_next_slow+0x14c/0x290
skcipher_walk_next+0x2fc/0x480
skcipher_walk_first+0x9c/0x110
skcipher_walk_aead_common+0x380/0x440
skcipher_walk_aead_encrypt+0x54/0x70
ccm_encrypt+0x13c/0x4d0
crypto_aead_encrypt+0x7c/0xfc
pcrypt_aead_enc+0x28/0x84
padata_parallel_worker+0xd0/0x2dc
process_one_work+0x49c/0xbdc
worker_thread+0x124/0x880
kthread+0x210/0x260
ret_from_fork+0x10/0x18
This is because the value of rec_seq of tls_crypto_info configured by the
user program is too large, for example, 0xffffffffffffff. In addition, TLS
is asynchronously accelerated. When tls_do_encryption() returns
-EINPROGRESS and sk->sk_err is set to EBADMSG due to rec_seq overflow,
skmsg is released before the asynchronous encryption process ends. As a
result, the UAF problem occurs during the asynchronous processing of the
encryption module.
If the operation is asynchronous and the encryption module returns
EINPROGRESS, do not free the record information.
Fixes: 635d93981786 ("net/tls: free record only on encryption error")
Signed-off-by: Liu Jian <liujian56@huawei.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Link: https://lore.kernel.org/r/20230909081434.2324940-1-liujian56@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The eventfs files list is protected by SRCU. In earlier iterations it was
protected with just RCU, but because it needed to also call sleepable
code, it had to be switch to SRCU. The dcache_dir_open_wrapper()
list_for_each_rcu() was missed and did not get converted over to
list_for_each_srcu(). That needs to be fixed.
Link: https://lore.kernel.org/linux-trace-kernel/20230911120053.ca82f545e7f46ea753deda18@kernel.org/
Link: https://lore.kernel.org/linux-trace-kernel/20230911200654.71ce927c@gandalf.local.home
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ajay Kaher <akaher@vmware.com>
Cc: "Paul E. McKenney" <paulmck@kernel.org>
Reported-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Fixes: 63940449555e7 ("eventfs: Implement eventfs lookup, read, open functions")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
The synth traces incorrectly print pointer to the synthetic event values
instead of the actual value when using u64 type. Fix by addressing the
contents of the union properly.
Link: https://lore.kernel.org/linux-trace-kernel/20230911141704.3585965-1-tero.kristo@linux.intel.com
Fixes: ddeea494a16f ("tracing/synthetic: Use union instead of casts")
Cc: stable@vger.kernel.org
Signed-off-by: Tero Kristo <tero.kristo@linux.intel.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
To make handling BIG and LITTLE endian better the offset/len of dynamic
fields of the synthetic events was changed into a structure of:
struct trace_dynamic_info {
#ifdef CONFIG_CPU_BIG_ENDIAN
u16 offset;
u16 len;
#else
u16 len;
u16 offset;
#endif
};
to replace the manual changes of:
data_offset = offset & 0xffff;
data_offest = len << 16;
But if you look closely, the above is:
<len> << 16 | offset
Which in little endian would be in memory:
offset_lo offset_hi len_lo len_hi
and in big endian:
len_hi len_lo offset_hi offset_lo
Which if broken into a structure would be:
struct trace_dynamic_info {
#ifdef CONFIG_CPU_BIG_ENDIAN
u16 len;
u16 offset;
#else
u16 offset;
u16 len;
#endif
};
Which is the opposite of what was defined.
Fix this and just to be safe also add "__packed".
Link: https://lore.kernel.org/all/20230908154417.5172e343@gandalf.local.home/
Link: https://lore.kernel.org/linux-trace-kernel/20230908163929.2c25f3dc@gandalf.local.home
Cc: stable@vger.kernel.org
Cc: Mark Rutland <mark.rutland@arm.com>
Tested-by: Sven Schnelle <svens@linux.ibm.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Fixes: ddeea494a16f3 ("tracing/synthetic: Use union instead of casts")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Add quirk for ASUS ROG X16 (GV601V, 2023 versions) Flow 2-in-1
to enable tablet mode with lid flip (all screen rotations).
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Link: https://lore.kernel.org/r/20230905082813.13470-1-luke@ljones.dev
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The only probing method supported by the Nvidia SN2201 platform driver
is probing through an ACPI match table. Hence add a dependency on
ACPI, to prevent asking the user about this driver when configuring a
kernel without ACPI support.
Fixes: 662f24826f95 ("platform/mellanox: Add support for new SN2201 system")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Vadim Pasternak <vadimp@nvidia.com>
Acked-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/ec5a4071691ab08d58771b7732a9988e89779268.1693828363.git.geert+renesas@glider.be
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The latest version of the mlxbf_bootctl driver utilizes
"sysfs_format_mac", and this API is only available if
NET is defined in the kernel configuration. This patch
changes the mlxbf_bootctl Kconfig to depend on NET.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202309031058.JvwNDBKt-lkp@intel.com/
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David Thompson <davthompson@nvidia.com>
Link: https://lore.kernel.org/r/20230905133243.31550-1-davthompson@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This fix involves 2 changes:
- All event regs have a reset value of 0, which is not a valid
event_number as per the event_list for most blocks and hence seen
as an error. Add a "disable" event with event_number 0 for all blocks.
- The enable bit for each counter need not be checked before
reading the event info, and hence removed.
Fixes: 1a218d312e65 ("platform/mellanox: mlxbf-pmc: Add Mellanox BlueField PMC driver")
Signed-off-by: Shravan Kumar Ramani <shravankr@nvidia.com>
Reviewed-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: David Thompson <davthompson@nvidia.com>
Link: https://lore.kernel.org/r/04d0213932d32681de1c716b54320ed894e52425.1693917738.git.shravankr@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit fixes tmfifo console stuck issue when the virtual
networking interface is in down state. In such case, the network
Rx descriptors runs out and causes the Rx network packet staying
in the head of the tmfifo thus blocking the console packets. The
fix is to drop the Rx network packet when no more Rx descriptors.
Function name mlxbf_tmfifo_release_pending_pkt() is also renamed
to mlxbf_tmfifo_release_pkt() to be more approperiate.
Fixes: 1357dfd7261f ("platform/mellanox: Add TmFifo driver for Mellanox BlueField Soc")
Signed-off-by: Liming Sun <limings@nvidia.com>
Reviewed-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: David Thompson <davthompson@nvidia.com>
Link: https://lore.kernel.org/r/8c0177dc938ae03f52ff7e0b62dbeee74b7bec09.1693322547.git.limings@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
MT7988 SoC support 3 NICs. Fix pse_port configuration in
mtk_flow_set_output_device routine if the traffic is offloaded to eth2.
Rely on mtk_pse_port definitions.
Fixes: 88efedf517e6 ("net: ethernet: mtk_eth_soc: enable nft hw flowtable_offload for MT7988 SoC")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Variable dma_addr in function mtk_poll_rx can be uninitialized on
some of the error paths. In practise this doesn't matter, even random
data present in uninitialized stack memory can safely be used in the
way it happens in the error path.
However, in order to make Smatch happy make sure the variable is
always initialized.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
According to the document of napi, there is no rx process when the
budget is 0. Therefore, r8152_poll() has to return 0 directly when the
budget is equal to 0.
Fixes: d2187f8e4454 ("r8152: divide the tx and rx bottom functions")
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vladimir Oltean says:
====================
Fixes for SJA1105 DSA FDB regressions
A report by Yanan Yang has prompted an investigation into the sja1105
driver's behavior w.r.t. multicast. The report states that when adding
multicast L2 addresses with "bridge mdb add", only the most recently
added address works - the others seem to be overwritten. This is solved
by patch 3/5 (with patch 2/5 as a dependency for it).
Patches 4/5 and 5/5 fix a series of race conditions introduced during
the same patch set as the bug above, namely this one:
https://patchwork.kernel.org/project/netdevbpf/cover/20211024171757.3753288-1-vladimir.oltean@nxp.com/
Finally, patch 1/5 fixes an issue found ever since the introduction of
multicast forwarding offload in sja1105, which is that the multicast
addresses are visible (with the "self" flag) in "bridge fdb show".
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, when we add the first sja1105 port to a bridge with
vlan_filtering 1, then we sometimes see this output:
sja1105 spi2.2: port 4 failed to read back entry for be:79:b4:9e:9e:96 vid 3088: -ENOENT
sja1105 spi2.2: Reset switch and programmed static config. Reason: VLAN filtering
sja1105 spi2.2: port 0 failed to add be:79:b4:9e:9e:96 vid 0 to fdb: -2
It is because sja1105_fdb_add() runs from the dsa_owq which is no longer
serialized with switch resets since it dropped the rtnl_lock() in the
blamed commit.
Either performing the FDB accesses before the reset, or after the reset,
is equally fine, because sja1105_static_fdb_change() backs up those
changes in the static config, but FDB access during reset isn't ok.
Make sja1105_static_config_reload() take the fdb_lock to fix that.
Fixes: 0faf890fc519 ("net: dsa: drop rtnl_lock from dsa_slave_switchdev_event_work")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
