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For input value 0, PMC stays unassigned which causes crash while trying
to access PMC for register read/write. Include LTR index 0 in pmc_index
and ltr_index calculation.
Fixes: 2bcef45292 ("platform/x86:intel/pmc: Enable debugfs multiple PMC support")
Signed-off-by: Rajvi Jingar <rajvi.jingar@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20231216011650.1973941-1-rajvi.jingar@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Some ThinkPad systems ECFW use non-standard addresses for fan control
and reporting. This patch adds support for such ECFW so that it can report
the correct fan values.
Tested on Thinkpads L13 Yoga Gen 2 and X13 Yoga Gen 2.
Suggested-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Signed-off-by: Vishnu Sankar <vishnuocv@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20231214134702.166464-1-vishnuocv@gmail.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
The KERNEL_FPR mask only contains a flag for the first eight vector
registers. However floating point registers overlay parts of the first
sixteen vector registers.
This could lead to vector register corruption if a kernel fpu context uses
any of the vector registers 8 to 15 and is interrupted or calls a
KERNEL_FPR context. If that context uses also vector registers 8 to 15,
their contents will be corrupted on return.
Luckily this is currently not a real bug, since the kernel has only one
KERNEL_FPR user with s390_adjust_jiffies() and it is only using floating
point registers 0 to 2.
Fix this by using the correct bits for KERNEL_FPR.
Fixes: 7f79695cc1 ("s390/fpu: improve kernel_fpu_[begin|end]")
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Hendrik Brueckner <brueckner@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
With gcc-7 builds, an error happens with the controller button values being
defined as const. Change to a define.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312141227.C2h1IzfI-lkp@intel.com/
Signed-off-by: Ryan McClelland <rymcclel@gmail.com>
Reviewed-by: Daniel J. Ogorchock <djogorchock@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
A statement used %d print formatter where %s should have
been used. The same has been fixed in this commit.
Signed-off-by: Ghanshyam Agrawal <ghanshyam1898@gmail.com>
Link: 5aaf9efffc ("kselftest: alsa: Add simplistic test for ALSA mixer controls kselftest")
Link: https://lore.kernel.org/r/20231217080019.1063476-1-ghanshyam1898@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Increase the quirk delay from 2 seconds to 4 seconds. This reflects a
change in the Windows driver in which the delay was increased to about
3.7 seconds. The larger delay fixes an issue where the device fails to
work unless it was powered up early during boot.
Also clarify in the quirk comment that the quirk is only applied to
older devices (USB ID 07fd:0008).
Signed-off-by: Jeremie Knuesel <knuesel@gmail.com>
Suggested-by: Alexander Tsoy <alexander@tsoy.me>
Cc: <stable@vger.kernel.org>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=211975
Link: https://lore.kernel.org/r/20231217112243.33409-1-knuesel@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Validate SMB message with ->check_message() before calling
->calc_smb_size().
Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
because there are none, and thus prevent a lockdep splat
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Merge tag 'perf_urgent_for_v6.7_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fix from Borislav Petkov:
- Avoid iterating over newly created group leader event's siblings
because there are none, and thus prevent a lockdep splat
* tag 'perf_urgent_for_v6.7_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Fix perf_event_validate_size() lockdep splat
Matthieu Baerts says:
====================
mptcp: misc. fixes for v6.7
Here are a few fixes related to MPTCP:
Patch 1 avoids skipping some subtests of the MPTCP Join selftest by
mistake when using older versions of GCC. This fixes a patch introduced
in v6.4, backported up to v6.1.
Patch 2 fixes an inconsistent state when using MPTCP + FastOpen. A fix
for v6.2.
Patch 3 adds a description for MPTCP Kunit test modules to avoid a
warning.
Patch 4 adds an entry to the mailmap file for Geliang's email addresses.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Matthieu Baerts <matttbe@kernel.org>
Map Geliang's old mail addresses to his @linux.dev one.
Suggested-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Geliang Tang <geliang.tang@linux.dev>
Reviewed-by: Matthieu Baerts <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
W=1 builds warn on missing MODULE_DESCRIPTION, add them here in MPTCP.
Only two were missing: two modules with different KUnit tests for MPTCP.
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The netlink PM can race with fastopen self-connect attempts, shutting
down the first subflow via:
MPTCP_PM_CMD_DEL_ADDR -> mptcp_nl_remove_id_zero_address ->
mptcp_pm_nl_rm_subflow_received -> mptcp_close_ssk
and transitioning such subflow to FIN_WAIT1 status before the syn-ack
packet is processed. The MPTCP code does not react to such state change,
leaving the connection in not-fallback status and the subflow handshake
uncompleted, triggering the following splat:
WARNING: CPU: 0 PID: 10630 at net/mptcp/subflow.c:1405 subflow_data_ready+0x39f/0x690 net/mptcp/subflow.c:1405
Modules linked in:
CPU: 0 PID: 10630 Comm: kworker/u4:11 Not tainted 6.6.0-syzkaller-14500-g1c41041124bd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Workqueue: bat_events batadv_nc_worker
RIP: 0010:subflow_data_ready+0x39f/0x690 net/mptcp/subflow.c:1405
Code: 18 89 ee e8 e3 d2 21 f7 40 84 ed 75 1f e8 a9 d7 21 f7 44 89 fe bf 07 00 00 00 e8 0c d3 21 f7 41 83 ff 07 74 07 e8 91 d7 21 f7 <0f> 0b e8 8a d7 21 f7 48 89 df e8 d2 b2 ff ff 31 ff 89 c5 89 c6 e8
RSP: 0018:ffffc90000007448 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888031efc700 RCX: ffffffff8a65baf4
RDX: ffff888043222140 RSI: ffffffff8a65baff RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000007
R10: 000000000000000b R11: 0000000000000000 R12: 1ffff92000000e89
R13: ffff88807a534d80 R14: ffff888021c11a00 R15: 000000000000000b
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa19a0ffc81 CR3: 000000007a2db000 CR4: 00000000003506f0
DR0: 000000000000d8dd DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
tcp_data_ready+0x14c/0x5b0 net/ipv4/tcp_input.c:5128
tcp_data_queue+0x19c3/0x5190 net/ipv4/tcp_input.c:5208
tcp_rcv_state_process+0x11ef/0x4e10 net/ipv4/tcp_input.c:6844
tcp_v4_do_rcv+0x369/0xa10 net/ipv4/tcp_ipv4.c:1929
tcp_v4_rcv+0x3888/0x3b30 net/ipv4/tcp_ipv4.c:2329
ip_protocol_deliver_rcu+0x9f/0x480 net/ipv4/ip_input.c:205
ip_local_deliver_finish+0x2e4/0x510 net/ipv4/ip_input.c:233
NF_HOOK include/linux/netfilter.h:314 [inline]
NF_HOOK include/linux/netfilter.h:308 [inline]
ip_local_deliver+0x1b6/0x550 net/ipv4/ip_input.c:254
dst_input include/net/dst.h:461 [inline]
ip_rcv_finish+0x1c4/0x2e0 net/ipv4/ip_input.c:449
NF_HOOK include/linux/netfilter.h:314 [inline]
NF_HOOK include/linux/netfilter.h:308 [inline]
ip_rcv+0xce/0x440 net/ipv4/ip_input.c:569
__netif_receive_skb_one_core+0x115/0x180 net/core/dev.c:5527
__netif_receive_skb+0x1f/0x1b0 net/core/dev.c:5641
process_backlog+0x101/0x6b0 net/core/dev.c:5969
__napi_poll.constprop.0+0xb4/0x540 net/core/dev.c:6531
napi_poll net/core/dev.c:6600 [inline]
net_rx_action+0x956/0xe90 net/core/dev.c:6733
__do_softirq+0x21a/0x968 kernel/softirq.c:553
do_softirq kernel/softirq.c:454 [inline]
do_softirq+0xaa/0xe0 kernel/softirq.c:441
</IRQ>
<TASK>
__local_bh_enable_ip+0xf8/0x120 kernel/softirq.c:381
spin_unlock_bh include/linux/spinlock.h:396 [inline]
batadv_nc_purge_paths+0x1ce/0x3c0 net/batman-adv/network-coding.c:471
batadv_nc_worker+0x9b1/0x10e0 net/batman-adv/network-coding.c:722
process_one_work+0x884/0x15c0 kernel/workqueue.c:2630
process_scheduled_works kernel/workqueue.c:2703 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
kthread+0x33c/0x440 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
</TASK>
To address the issue, catch the racing subflow state change and
use it to cause the MPTCP fallback. Such fallback is also used to
cause the first subflow state propagation to the msk socket via
mptcp_set_connected(). After this change, the first subflow can
additionally propagate the TCP_FIN_WAIT1 state, so rename the
helper accordingly.
Finally, if the state propagation is delayed to the msk release
callback, the first subflow can change to a different state in between.
Cache the relevant target state in a new msk-level field and use
such value to update the msk state at release time.
Fixes: 1e777f39b4 ("mptcp: add MSG_FASTOPEN sendmsg flag support")
Cc: stable@vger.kernel.org
Reported-by: <syzbot+c53d4d3ddb327e80bc51@syzkaller.appspotmail.com>
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/458
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
MPC backups tests will skip unexpected sometimes (For example, when
compiling kernel with an older version of gcc, such as gcc-8), since
static functions like mptcp_subflow_send_ack also be listed in
/proc/kallsyms, with a 't' in front of it, not 'T' ('T' is for a global
function):
> grep "mptcp_subflow_send_ack" /proc/kallsyms
0000000000000000 T __pfx___mptcp_subflow_send_ack
0000000000000000 T __mptcp_subflow_send_ack
0000000000000000 t __pfx_mptcp_subflow_send_ack
0000000000000000 t mptcp_subflow_send_ack
In this case, mptcp_lib_kallsyms_doesnt_have "mptcp_subflow_send_ack$"
will be false, MPC backups tests will skip. This is not what we expected.
The correct logic here should be: if mptcp_subflow_send_ack is not a
global function in /proc/kallsyms, do these MPC backups tests. So a 'T'
must be added in front of mptcp_subflow_send_ack.
Fixes: 632978f0a9 ("selftests: mptcp: join: skip MPC backups tests if not supported")
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 <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'for-6.7-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fix from David Sterba:
"One more fix that verifies that the snapshot source is a root, same
check is also done in user space but should be done by the ioctl as
well"
* tag 'for-6.7-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: do not allow non subvolume root targets for snapshot
- Null pointer dereference for mult link in core
- AC timing fix in intel driver
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Merge tag 'soundwire-6.7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire fixes from Vinod Koul:
- Null pointer dereference for mult link in core
- AC timing fix in intel driver
* tag 'soundwire-6.7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: intel_ace2x: fix AC timing setting for ACE2.x
soundwire: stream: fix NULL pointer dereference for multi_link
Driver fixes for:
- SPI PDMA data fix for TI k3-psil drivers
- suspend fix, pointer check, logic for arbitration fix and channel leak
fix in fsl-edma driver
- couple of fixes in idxd driver for GRPCFG descriptions and int_handle
field handling
- single fix for stm32 driver for bitfield overflow
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Merge tag 'dmaengine-fix-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine fixes from Vinod Koul:
- SPI PDMA data fix for TI k3-psil drivers
- suspend fix, pointer check, logic for arbitration fix and channel
leak fix in fsl-edma driver
- couple of fixes in idxd driver for GRPCFG descriptions and int_handle
field handling
- single fix for stm32 driver for bitfield overflow
* tag 'dmaengine-fix-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
dmaengine: fsl-edma: fix DMA channel leak in eDMAv4
dmaengine: fsl-edma: fix wrong pointer check in fsl_edma3_attach_pd()
dmaengine: idxd: Fix incorrect descriptions for GRPCFG register
dmaengine: idxd: Protect int_handle field in hw descriptor
dmaengine: stm32-dma: avoid bitfield overflow assertion
dmaengine: fsl-edma: Add judgment on enabling round robin arbitration
dmaengine: fsl-edma: Do not suspend and resume the masked dma channel when the system is sleeping
dmaengine: ti: k3-psil-am62a: Fix SPI PDMA data
dmaengine: ti: k3-psil-am62: Fix SPI PDMA data
- Fix alloc_free_mem_region()'s scan for address space, prevent false
negative out-of-space events
- Fix sleeping lock acquisition from CXL trace event (atomic context)
- Fix put_device() like for the new CXL PMU driver
- Fix wrong pointer freed on error path
- Fixup several lockdep reports (missing lock hold) from new assertion
in cxl_num_decoders_committed() and new tests
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Merge tag 'cxl-fixes-6.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull CXL (Compute Express Link) fixes from Dan Williams:
"A collection of CXL fixes.
The touch outside of drivers/cxl/ is for a helper that allocates
physical address space. Device hotplug tests showed that the driver
failed to utilize (skipped over) valid capacity when allocating a new
memory region. Outside of that, new tests uncovered a small crop of
lockdep reports.
There is also some miscellaneous error path and leak fixups that are
not urgent, but useful to cleanup now.
- Fix alloc_free_mem_region()'s scan for address space, prevent false
negative out-of-space events
- Fix sleeping lock acquisition from CXL trace event (atomic context)
- Fix put_device() like for the new CXL PMU driver
- Fix wrong pointer freed on error path
- Fixup several lockdep reports (missing lock hold) from new
assertion in cxl_num_decoders_committed() and new tests"
* tag 'cxl-fixes-6.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/pmu: Ensure put_device on pmu devices
cxl/cdat: Free correct buffer on checksum error
cxl/hdm: Fix dpa translation locking
kernel/resource: Increment by align value in get_free_mem_region()
cxl: Add cxl_num_decoders_committed() usage to cxl_test
cxl/memdev: Hold region_rwsem during inject and clear poison ops
cxl/core: Always hold region_rwsem while reading poison lists
cxl/hdm: Fix a benign lockdep splat
properly
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Merge tag 'edac_urgent_for_v6.7_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fix from Borislav Petkov:
- A single fix for the EDAC Versal driver to read out register fields
properly
* tag 'edac_urgent_for_v6.7_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/versal: Read num_csrows and num_chans using the correct bitfield macro
- Fix a bug where heavy VAS (accelerator) usage could race with partition
migration and prevent the migration from completing.
- Update MAINTAINERS to add Aneesh & Naveen.
Thanks to: Haren Myneni
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Merge tag 'powerpc-6.7-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix a bug where heavy VAS (accelerator) usage could race with
partition migration and prevent the migration from completing.
- Update MAINTAINERS to add Aneesh & Naveen.
Thanks to Haren Myneni.
* tag 'powerpc-6.7-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
MAINTAINERS: powerpc: Add Aneesh & Naveen
powerpc/pseries/vas: Migration suspend waits for no in-progress open windows
syzbot excercised the forbidden practice of moving the workdir under
lowerdir while overlayfs is mounted and tripped a dentry reference leak.
Fixes: c63e56a4a6 ("ovl: do not open/llseek lower file with upper sb_writers held")
Reported-and-tested-by: syzbot+8608bb4553edb8c78f41@syzkaller.appspotmail.com
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
- Fix a clk name, clk parent, and a register for a clk gate in the
Rockchip rk3128 clk driver
- Add a PLL frequency on Rockchip rk3568 to fix some display artifacts
- Fix a kbuild dependency for Qualcomm's SM_CAMCC_8550 symbol so that
it isn't possible to select the associated GCC driver
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A handful of clk fixes, mostly in the rockchip clk driver:
- Fix a clk name, clk parent, and a register for a clk gate in the
Rockchip rk3128 clk driver
- Add a PLL frequency on Rockchip rk3568 to fix some display
artifacts
- Fix a kbuild dependency for Qualcomm's SM_CAMCC_8550 symbol so that
it isn't possible to select the associated GCC driver"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: rockchip: rk3128: Fix SCLK_SDMMC's clock name
clk: rockchip: rk3128: Fix aclk_peri_src's parent
clk: qcom: Fix SM_CAMCC_8550 dependencies
clk: rockchip: rk3128: Fix HCLK_OTG gate register
clk: rockchip: rk3568: Add PLL rate for 292.5MHz
- Fix eventfs to check creating new files for events with names greater than
NAME_MAX. The eventfs lookup needs to check the return result of
simple_lookup().
- Fix the ring buffer to check the proper max data size. Events must be able to
fit on the ring buffer sub-buffer, if it cannot, then it fails to be written
and the logic to add the event is avoided. The code to check if an event can
fit failed to add the possible absolute timestamp which may make the event
not be able to fit. This causes the ring buffer to go into an infinite loop
trying to find a sub-buffer that would fit the event. Luckily, there's a check
that will bail out if it looped over a 1000 times and it also warns.
The real fix is not to add the absolute timestamp to an event that is
starting at the beginning of a sub-buffer because it uses the sub-buffer
timestamp. By avoiding the timestamp at the start of the sub-buffer allows
events that pass the first check to always find a sub-buffer that it can fit
on.
- Have large events that do not fit on a trace_seq to print "LINE TOO BIG" like
it does for the trace_pipe instead of what it does now which is to silently
drop the output.
- Fix a memory leak of forgetting to free the spare page that is saved by a
trace instance.
- Update the size of the snapshot buffer when the main buffer is updated if the
snapshot buffer is allocated.
- Fix ring buffer timestamp logic by removing all the places that tried to put
the before_stamp back to the write stamp so that the next event doesn't add
an absolute timestamp. But each of these updates added a race where by making
the two timestamp equal, it was validating the write_stamp so that it can be
incorrectly used for calculating the delta of an event.
- There's a temp buffer used for printing the event that was using the event
data size for allocation when it needed to use the size of the entire event
(meta-data and payload data)
- For hardening, use "%.*s" for printing the trace_marker output, to limit the
amount that is printed by the size of the event. This was discovered by
development that added a bug that truncated the '\0' and caused a crash.
- Fix a use-after-free bug in the use of the histogram files when an instance
is being removed.
- Remove a useless update in the rb_try_to_discard of the write_stamp. The
before_stamp was already changed to force the next event to add an absolute
timestamp that the write_stamp is not used. But the write_stamp is modified
again using an unneeded 64-bit cmpxchg.
- Fix several races in the 32-bit implementation of the rb_time_cmpxchg() that
does a 64-bit cmpxchg.
- While looking at fixing the 64-bit cmpxchg, I noticed that because the ring
buffer uses normal cmpxchg, and this can be done in NMI context, there's some
architectures that do not have a working cmpxchg in NMI context. For these
architectures, fail recording events that happen in NMI context.
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Merge tag 'trace-v6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Fix eventfs to check creating new files for events with names greater
than NAME_MAX. The eventfs lookup needs to check the return result of
simple_lookup().
- Fix the ring buffer to check the proper max data size. Events must be
able to fit on the ring buffer sub-buffer, if it cannot, then it
fails to be written and the logic to add the event is avoided. The
code to check if an event can fit failed to add the possible absolute
timestamp which may make the event not be able to fit. This causes
the ring buffer to go into an infinite loop trying to find a
sub-buffer that would fit the event. Luckily, there's a check that
will bail out if it looped over a 1000 times and it also warns.
The real fix is not to add the absolute timestamp to an event that is
starting at the beginning of a sub-buffer because it uses the
sub-buffer timestamp.
By avoiding the timestamp at the start of the sub-buffer allows
events that pass the first check to always find a sub-buffer that it
can fit on.
- Have large events that do not fit on a trace_seq to print "LINE TOO
BIG" like it does for the trace_pipe instead of what it does now
which is to silently drop the output.
- Fix a memory leak of forgetting to free the spare page that is saved
by a trace instance.
- Update the size of the snapshot buffer when the main buffer is
updated if the snapshot buffer is allocated.
- Fix ring buffer timestamp logic by removing all the places that tried
to put the before_stamp back to the write stamp so that the next
event doesn't add an absolute timestamp. But each of these updates
added a race where by making the two timestamp equal, it was
validating the write_stamp so that it can be incorrectly used for
calculating the delta of an event.
- There's a temp buffer used for printing the event that was using the
event data size for allocation when it needed to use the size of the
entire event (meta-data and payload data)
- For hardening, use "%.*s" for printing the trace_marker output, to
limit the amount that is printed by the size of the event. This was
discovered by development that added a bug that truncated the '\0'
and caused a crash.
- Fix a use-after-free bug in the use of the histogram files when an
instance is being removed.
- Remove a useless update in the rb_try_to_discard of the write_stamp.
The before_stamp was already changed to force the next event to add
an absolute timestamp that the write_stamp is not used. But the
write_stamp is modified again using an unneeded 64-bit cmpxchg.
- Fix several races in the 32-bit implementation of the
rb_time_cmpxchg() that does a 64-bit cmpxchg.
- While looking at fixing the 64-bit cmpxchg, I noticed that because
the ring buffer uses normal cmpxchg, and this can be done in NMI
context, there's some architectures that do not have a working
cmpxchg in NMI context. For these architectures, fail recording
events that happen in NMI context.
* tag 'trace-v6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
ring-buffer: Do not record in NMI if the arch does not support cmpxchg in NMI
ring-buffer: Have rb_time_cmpxchg() set the msb counter too
ring-buffer: Fix 32-bit rb_time_read() race with rb_time_cmpxchg()
ring-buffer: Fix a race in rb_time_cmpxchg() for 32 bit archs
ring-buffer: Remove useless update to write_stamp in rb_try_to_discard()
ring-buffer: Do not try to put back write_stamp
tracing: Fix uaf issue when open the hist or hist_debug file
tracing: Add size check when printing trace_marker output
ring-buffer: Have saved event hold the entire event
ring-buffer: Do not update before stamp when switching sub-buffers
tracing: Update snapshot buffer on resize if it is allocated
ring-buffer: Fix memory leak of free page
eventfs: Fix events beyond NAME_MAX blocking tasks
tracing: Have large events show up as '[LINE TOO BIG]' instead of nothing
ring-buffer: Fix writing to the buffer with max_data_size
- Arm CMN perf: fix the DTC allocation failure path which can end up
erroneously clearing live counters
- arm64/mm: fix hugetlb handling of the dirty page state leading to a
continuous fault loop in user on hardware without dirty bit management
(DBM). That's caused by the dirty+writeable information not being
properly preserved across a series of mprotect(PROT_NONE),
mprotect(PROT_READ|PROT_WRITE)
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Arm CMN perf: fix the DTC allocation failure path which can end up
erroneously clearing live counters
- arm64/mm: fix hugetlb handling of the dirty page state leading to a
continuous fault loop in user on hardware without dirty bit
management (DBM). That's caused by the dirty+writeable information
not being properly preserved across a series of mprotect(PROT_NONE),
mprotect(PROT_READ|PROT_WRITE)
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: mm: Always make sw-dirty PTEs hw-dirty in pte_modify
perf/arm-cmn: Fail DTC counter allocation correctly
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Merge tag 'pci-v6.7-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci fixes from Bjorn Helgaas:
- Limit Max_Read_Request_Size (MRRS) on some MIPS Loongson systems
because they don't all support MRRS > 256, and firmware doesn't
always initialize it correctly, which meant some PCIe devices didn't
work (Jiaxun Yang)
- Add and use pci_enable_link_state_locked() to prevent potential
deadlocks in vmd and qcom drivers (Johan Hovold)
- Revert recent (v6.5) acpiphp resource assignment changes that fixed
issues with hot-adding devices on a root bus or with large BARs, but
introduced new issues with GPU initialization and hot-adding SCSI
disks in QEMU VMs and (Bjorn Helgaas)
* tag 'pci-v6.7-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
Revert "PCI: acpiphp: Reassign resources on bridge if necessary"
PCI/ASPM: Add pci_disable_link_state_locked() lockdep assert
PCI/ASPM: Clean up __pci_disable_link_state() 'sem' parameter
PCI: qcom: Clean up ASPM comment
PCI: qcom: Fix potential deadlock when enabling ASPM
PCI: vmd: Fix potential deadlock when enabling ASPM
PCI/ASPM: Add pci_enable_link_state_locked()
PCI: loongson: Limit MRRS to 256
Pengfei Xu reported [1] Syzkaller/KASAN issue found in bpf_link_show_fdinfo.
The reason is missing BPF_LINK_TYPE invocation for uprobe multi
link and for several other links, adding that.
[1] https://lore.kernel.org/bpf/ZXptoKRSLspnk2ie@xpf.sh.intel.com/
Fixes: 89ae89f53d ("bpf: Add multi uprobe link")
Fixes: e420bed025 ("bpf: Add fd-based tcx multi-prog infra with link support")
Fixes: 84601d6ee6 ("bpf: add bpf_link support for BPF_NETFILTER programs")
Fixes: 35dfaad718 ("netkit, bpf: Add bpf programmable net device")
Reported-by: Pengfei Xu <pengfei.xu@intel.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Tested-by: Pengfei Xu <pengfei.xu@intel.com>
Acked-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/bpf/20231215230502.2769743-1-jolsa@kernel.org
Our btrfs subvolume snapshot <source> <destination> utility enforces
that <source> is the root of the subvolume, however this isn't enforced
in the kernel. Update the kernel to also enforce this limitation to
avoid problems with other users of this ioctl that don't have the
appropriate checks in place.
Reported-by: Martin Michaelis <code@mgjm.de>
CC: stable@vger.kernel.org # 4.14+
Reviewed-by: Neal Gompa <neal@gompa.dev>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This code is rarely (never?) enabled by distros, and it hasn't caught
anything in decades. Let's kill off this legacy debug code.
Suggested-by: Linus Torvalds <torvalds@linuxfoundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There are multiple ways to grab references to credentials, and the only
protection we have against overflowing it is the memory required to do
so.
With memory sizes only moving in one direction, let's bump the reference
count to 64-bit and move it outside the realm of feasibly overflowing.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This reverts commit 40613da52b and the
subsequent fix to it:
cc22522fd5 ("PCI: acpiphp: Use pci_assign_unassigned_bridge_resources() only for non-root bus")
40613da52b fixed a problem where hot-adding a device with large BARs
failed if the bridge windows programmed by firmware were not large enough.
cc22522fd5 ("PCI: acpiphp: Use pci_assign_unassigned_bridge_resources()
only for non-root bus") fixed a problem with 40613da52b: an ACPI hot-add
of a device on a PCI root bus (common in the virt world) or firmware
sending ACPI Bus Check to non-existent Root Ports (e.g., on Dell Inspiron
7352/0W6WV0) caused a NULL pointer dereference and suspend/resume hangs.
Unfortunately the combination of 40613da52b and cc22522fd5 caused other
problems:
- Fiona reported that hot-add of SCSI disks in QEMU virtual machine fails
sometimes.
- Dongli reported a similar problem with hot-add of SCSI disks.
- Jonathan reported a console freeze during boot on bare metal due to an
error in radeon GPU initialization.
Revert both patches to avoid adding these problems. This means we will
again see the problems with hot-adding devices with large BARs and the NULL
pointer dereferences and suspend/resume issues that 40613da52b and
cc22522fd5 were intended to fix.
Fixes: 40613da52b ("PCI: acpiphp: Reassign resources on bridge if necessary")
Fixes: cc22522fd5 ("PCI: acpiphp: Use pci_assign_unassigned_bridge_resources() only for non-root bus")
Reported-by: Fiona Ebner <f.ebner@proxmox.com>
Closes: https://lore.kernel.org/r/9eb669c0-d8f2-431d-a700-6da13053ae54@proxmox.com
Reported-by: Dongli Zhang <dongli.zhang@oracle.com>
Closes: https://lore.kernel.org/r/3c4a446a-b167-11b8-f36f-d3c1b49b42e9@oracle.com
Reported-by: Jonathan Woithe <jwoithe@just42.net>
Closes: https://lore.kernel.org/r/ZXpaNCLiDM+Kv38H@marvin.atrad.com.au
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Cc: <stable@vger.kernel.org>
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Merge tag 'io_uring-6.7-2023-12-15' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
"Just two minor fixes:
- Fix for the io_uring socket option commands using the wrong value
on some archs (Al)
- Tweak to the poll lazy wake enable (me)"
* tag 'io_uring-6.7-2023-12-15' of git://git.kernel.dk/linux:
io_uring/cmd: fix breakage in SOCKET_URING_OP_SIOC* implementation
io_uring/poll: don't enable lazy wake for POLLEXCLUSIVE
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Merge tag 'mm-hotfixes-stable-2023-12-15-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"17 hotfixes. 8 are cc:stable and the other 9 pertain to post-6.6
issues"
* tag 'mm-hotfixes-stable-2023-12-15-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm/mglru: reclaim offlined memcgs harder
mm/mglru: respect min_ttl_ms with memcgs
mm/mglru: try to stop at high watermarks
mm/mglru: fix underprotected page cache
mm/shmem: fix race in shmem_undo_range w/THP
Revert "selftests: error out if kernel header files are not yet built"
crash_core: fix the check for whether crashkernel is from high memory
x86, kexec: fix the wrong ifdeffery CONFIG_KEXEC
sh, kexec: fix the incorrect ifdeffery and dependency of CONFIG_KEXEC
mips, kexec: fix the incorrect ifdeffery and dependency of CONFIG_KEXEC
m68k, kexec: fix the incorrect ifdeffery and build dependency of CONFIG_KEXEC
loongarch, kexec: change dependency of object files
mm/damon/core: make damon_start() waits until kdamond_fn() starts
selftests/mm: cow: print ksft header before printing anything else
mm: fix VMA heap bounds checking
riscv: fix VMALLOC_START definition
kexec: drop dependency on ARCH_SUPPORTS_KEXEC from CRASH_DUMP
A collection of HD-audio quirks for TAS2781 codec and device-specific
workarounds.
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Merge tag 'sound-6.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of HD-audio quirks for TAS2781 codec and device-specific
workarounds"
* tag 'sound-6.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/tas2781: reset the amp before component_add
ALSA: hda/tas2781: call cleanup functions only once
ALSA: hda/tas2781: handle missing EFI calibration data
ALSA: hda/tas2781: leave hda_component in usable state
ALSA: hda/realtek: Apply mute LED quirk for HP15-db
ALSA: hda/hdmi: add force-connect quirks for ASUSTeK Z170 variants
ALSA: hda/hdmi: add force-connect quirk for NUC5CPYB
drm:
- fix uninit problems in crtc
- fix fd ownership check
- edid: add modes in fallback paths
panel:
- move LG panel into DSI yaml
- ltk050h3146w: set burst mode
mediatek:
- mtk_disp_gamma: Fix breakage due to merge issue
- fix kernel oops if no crtc is found
- Add spinlock for setting vblank event in atomic_begin
- Fix access violation in mtk_drm_crtc_dma_dev_get
i915:
- Fix selftest engine reset count storage for multi-tile
- Fix out-of-bounds reads for engine reset counts
- Fix ADL+ remapped stride with CCS
- Fix intel_atomic_setup_scalers() plane_state handling
- Fix ADL+ tiled plane stride when the POT stride is smaller than the original
- Fix eDP 1.4 rate select method link configuration
amdgpu:
- Fix suspend fix that got accidently mangled last week
- Fix OD regression
- PSR fixes
- OLED Backlight regression fix
- JPEG 4.0.5 fix
- Misc display fixes
- SDMA 5.2 fix
- SDMA 2.4 regression fix
- GPUVM race fix
nouveau:
- fix gk20a instobj hierarchy
- fix headless iors inheritance regression
ivpu:
- fix WA initialisation
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Merge tag 'drm-fixes-2023-12-15' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"More regular fixes, amdgpu, i915, mediatek and nouveau are most of
them this week. Nothing too major, then a few misc bits and pieces in
core, panel and ivpu.
drm:
- fix uninit problems in crtc
- fix fd ownership check
- edid: add modes in fallback paths
panel:
- move LG panel into DSI yaml
- ltk050h3146w: set burst mode
mediatek:
- mtk_disp_gamma: Fix breakage due to merge issue
- fix kernel oops if no crtc is found
- Add spinlock for setting vblank event in atomic_begin
- Fix access violation in mtk_drm_crtc_dma_dev_get
i915:
- Fix selftest engine reset count storage for multi-tile
- Fix out-of-bounds reads for engine reset counts
- Fix ADL+ remapped stride with CCS
- Fix intel_atomic_setup_scalers() plane_state handling
- Fix ADL+ tiled plane stride when the POT stride is smaller than the original
- Fix eDP 1.4 rate select method link configuration
amdgpu:
- Fix suspend fix that got accidently mangled last week
- Fix OD regression
- PSR fixes
- OLED Backlight regression fix
- JPEG 4.0.5 fix
- Misc display fixes
- SDMA 5.2 fix
- SDMA 2.4 regression fix
- GPUVM race fix
nouveau:
- fix gk20a instobj hierarchy
- fix headless iors inheritance regression
ivpu:
- fix WA initialisation"
* tag 'drm-fixes-2023-12-15' of git://anongit.freedesktop.org/drm/drm: (31 commits)
drm/nouveau/kms/nv50-: Don't allow inheritance of headless iors
drm/nouveau: Fixup gk20a instobj hierarchy
drm/amdgpu: warn when there are still mappings when a BO is destroyed v2
drm/amdgpu: fix tear down order in amdgpu_vm_pt_free
drm/amd: Fix a probing order problem on SDMA 2.4
drm/amdgpu/sdma5.2: add begin/end_use ring callbacks
drm/panel: ltk050h3146w: Set burst mode for ltk050h3148w
dt-bindings: panel-simple-dsi: move LG 5" HD TFT LCD panel into DSI yaml
drm/amd/display: Disable PSR-SU on Parade 0803 TCON again
drm/amd/display: Populate dtbclk from bounding box
drm/amd/display: Revert "Fix conversions between bytes and KB"
drm/amdgpu/jpeg: configure doorbell for each playback
drm/amd/display: Restore guard against default backlight value < 1 nit
drm/amd/display: fix hw rotated modes when PSR-SU is enabled
drm/amd/pm: fix pp_*clk_od typo
drm/amdgpu: fix buffer funcs setting order on suspend harder
drm/mediatek: Fix access violation in mtk_drm_crtc_dma_dev_get
drm/edid: also call add modes in EDID connector update fallback
drm/i915/edp: don't write to DP_LINK_BW_SET when using rate select
drm/i915: Fix ADL+ tiled plane stride when the POT stride is smaller than the original
...
apply_alternatives() treats alternatives with the ALT_FLAG_NOT flag set
special as it optimizes the existing NOPs in place.
Unfortunately, this happens with interrupts enabled and does not provide any
form of core synchronization.
So an interrupt hitting in the middle of the update and using the affected code
path will observe a half updated NOP and crash and burn. The following
3 NOP sequence was observed to expose this crash halfway reliably under QEMU
32bit:
0x90 0x90 0x90
which is replaced by the optimized 3 byte NOP:
0x8d 0x76 0x00
So an interrupt can observe:
1) 0x90 0x90 0x90 nop nop nop
2) 0x8d 0x90 0x90 undefined
3) 0x8d 0x76 0x90 lea -0x70(%esi),%esi
4) 0x8d 0x76 0x00 lea 0x0(%esi),%esi
Where only #1 and #4 are true NOPs. The same problem exists for 64bit obviously.
Disable interrupts around this NOP optimization and invoke sync_core()
before re-enabling them.
Fixes: 270a69c448 ("x86/alternative: Support relocations in alternatives")
Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/ZT6narvE%2BLxX%2B7Be@windriver.com
text_poke_early() does:
local_irq_save(flags);
memcpy(addr, opcode, len);
local_irq_restore(flags);
sync_core();
That's not really correct because the synchronization should happen before
interrupts are re-enabled to ensure that a pending interrupt observes the
complete update of the opcodes.
It's not entirely clear whether the interrupt entry provides enough
serialization already, but moving the sync_core() invocation into interrupt
disabled region does no harm and is obviously correct.
Fixes: 6fffacb303 ("x86/alternatives, jumplabel: Use text_poke_early() before mm_init()")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: <stable@kernel.org>
Link: https://lore.kernel.org/r/ZT6narvE%2BLxX%2B7Be@windriver.com
Chris reported that a Dell PowerEdge T340 system stopped to boot when upgrading
to a kernel which contains the parallel hotplug changes. Disabling parallel
hotplug on the kernel command line makes it boot again.
It turns out that the Dell BIOS has x2APIC enabled and the boot CPU comes up in
X2APIC mode, but the APs come up inconsistently in xAPIC mode.
Parallel hotplug requires that the upcoming CPU reads out its APIC ID from the
local APIC in order to map it to the Linux CPU number.
In this particular case the readout on the APs uses the MMIO mapped registers
because the BIOS failed to enable x2APIC mode. That readout results in a page
fault because the kernel does not have the APIC MMIO space mapped when X2APIC
mode was enabled by the BIOS on the boot CPU and the kernel switched to X2APIC
mode early. That page fault can't be handled on the upcoming CPU that early and
results in a silent boot failure.
If parallel hotplug is disabled the system boots because in that case the APIC
ID read is not required as the Linux CPU number is provided to the AP in the
smpboot control word. When the kernel uses x2APIC mode then the APs are
switched to x2APIC mode too slightly later in the bringup process, but there is
no reason to do it that late.
Cure the BIOS bogosity by checking in the parallel bootup path whether the
kernel uses x2APIC mode and if so switching over the APs to x2APIC mode before
the APIC ID readout.
Fixes: 0c7ffa32db ("x86/smpboot/64: Implement arch_cpuhp_init_parallel_bringup() and enable it")
Reported-by: Chris Lindee <chris.lindee@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Ashok Raj <ashok.raj@intel.com>
Tested-by: Chris Lindee <chris.lindee@gmail.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/CA%2B2tU59853R49EaU_tyvOZuOTDdcU0RshGyydccp9R1NX9bEeQ@mail.gmail.com
Remove double-mapping of DMA buffers as it can prevent page pool entries
from being freed. Mapping is managed by page pool infrastructure and
was previously managed by the driver in __bnxt_alloc_rx_page before
allowing the page pool infrastructure to manage it.
Fixes: 578fcfd26e ("bnxt_en: Let the page pool manage the DMA mapping")
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Signed-off-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: David Wei <dw@davidwei.uk>
Link: https://lore.kernel.org/r/20231214213138.98095-1-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This can cause a race with bt_sock_ioctl() because
bt_sock_recvmsg() gets the skb from sk->sk_receive_queue
and then frees it without holding lock_sock.
A use-after-free for a skb occurs with the following flow.
```
bt_sock_recvmsg() -> skb_recv_datagram() -> skb_free_datagram()
bt_sock_ioctl() -> skb_peek()
```
Add lock_sock to bt_sock_recvmsg() to fix this issue.
Cc: stable@vger.kernel.org
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Hyunwoo Kim <v4bel@theori.io>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
If two Bluetooth devices both support BR/EDR and BLE, and also
support Secure Connections, then they only need to pair once.
The LTK generated during the LE pairing process may be converted
into a BR/EDR link key for BR/EDR transport, and conversely, a
link key generated during the BR/EDR SSP pairing process can be
converted into an LTK for LE transport. Hence, the link type of
the link key and LTK is not fixed, they can be either an LE LINK
or an ACL LINK.
Currently, in the mgmt_new_irk/ltk/crsk/link_key functions, the
link type is fixed, which could lead to incorrect address types
being reported to the application layer. Therefore, it is necessary
to add link_type/addr_type to the smp_irk/ltk/crsk and link_key,
to ensure the generation of the correct address type.
SMP over BREDR:
Before Fix:
> ACL Data RX: Handle 11 flags 0x02 dlen 12
BR/EDR SMP: Identity Address Information (0x09) len 7
Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
@ MGMT Event: New Identity Resolving Key (0x0018) plen 30
Random address: 00:00:00:00:00:00 (Non-Resolvable)
LE Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
@ MGMT Event: New Long Term Key (0x000a) plen 37
LE Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
Key type: Authenticated key from P-256 (0x03)
After Fix:
> ACL Data RX: Handle 11 flags 0x02 dlen 12
BR/EDR SMP: Identity Address Information (0x09) len 7
Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
@ MGMT Event: New Identity Resolving Key (0x0018) plen 30
Random address: 00:00:00:00:00:00 (Non-Resolvable)
BR/EDR Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
@ MGMT Event: New Long Term Key (0x000a) plen 37
BR/EDR Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
Key type: Authenticated key from P-256 (0x03)
SMP over LE:
Before Fix:
@ MGMT Event: New Identity Resolving Key (0x0018) plen 30
Random address: 5F:5C:07:37:47:D5 (Resolvable)
LE Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
@ MGMT Event: New Long Term Key (0x000a) plen 37
LE Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
Key type: Authenticated key from P-256 (0x03)
@ MGMT Event: New Link Key (0x0009) plen 26
BR/EDR Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
Key type: Authenticated Combination key from P-256 (0x08)
After Fix:
@ MGMT Event: New Identity Resolving Key (0x0018) plen 30
Random address: 5E:03:1C:00:38:21 (Resolvable)
LE Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
@ MGMT Event: New Long Term Key (0x000a) plen 37
LE Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
Key type: Authenticated key from P-256 (0x03)
@ MGMT Event: New Link Key (0x0009) plen 26
Store hint: Yes (0x01)
LE Address: F8:7D:76:F2:12:F3 (OUI F8-7D-76)
Key type: Authenticated Combination key from P-256 (0x08)
Cc: stable@vger.kernel.org
Signed-off-by: Xiao Yao <xiaoyao@rock-chips.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
L2CAP/COS/CED/BI-02-C PTS test send a malformed L2CAP signaling packet
with 2 commands in it (a connection request and an unknown command) and
expect to get a connection response packet and a command reject packet.
The second is currently not sent.
Cc: stable@vger.kernel.org
Signed-off-by: Frédéric Danis <frederic.danis@collabora.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
hci_conn_hash_lookup_cis shall always match the requested CIG and CIS
ids even when they are unset as otherwise it result in not being able
to bind/connect different sockets to the same address as that would
result in having multiple sockets mapping to the same hci_conn which
doesn't really work and prevents BAP audio configuration such as
AC 6(i) when CIG and CIS are left unset.
Fixes: c14516faed ("Bluetooth: hci_conn: Fix not matching by CIS ID")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Turning on -Wstringop-overflow globally exposed a misleading compiler
warning in bluetooth:
net/bluetooth/hci_event.c: In function 'hci_cc_read_class_of_dev':
net/bluetooth/hci_event.c:524:9: error: 'memcpy' writing 3 bytes into a
region of size 0 overflows the destination [-Werror=stringop-overflow=]
524 | memcpy(hdev->dev_class, rp->dev_class, 3);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The problem here is the check for hdev being NULL in bt_dev_dbg() that
leads the compiler to conclude that hdev->dev_class might be an invalid
pointer access.
Add another explicit check for the same condition to make sure gcc sees
this cannot happen.
Fixes: a9de924806 ("[Bluetooth] Switch from OGF+OCF to using only opcodes")
Fixes: 1b56c90018f0 ("Makefile: Enable -Wstringop-overflow globally")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
