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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull AFS updates from Al Viro:
"AFS series, with some iov_iter bits included"
* 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (26 commits)
missing bits of "iov_iter: Separate type from direction and use accessor functions"
afs: Probe multiple fileservers simultaneously
afs: Fix callback handling
afs: Eliminate the address pointer from the address list cursor
afs: Allow dumping of server cursor on operation failure
afs: Implement YFS support in the fs client
afs: Expand data structure fields to support YFS
afs: Get the target vnode in afs_rmdir() and get a callback on it
afs: Calc callback expiry in op reply delivery
afs: Fix FS.FetchStatus delivery from updating wrong vnode
afs: Implement the YFS cache manager service
afs: Remove callback details from afs_callback_break struct
afs: Commit the status on a new file/dir/symlink
afs: Increase to 64-bit volume ID and 96-bit vnode ID for YFS
afs: Don't invoke the server to read data beyond EOF
afs: Add a couple of tracepoints to log I/O errors
afs: Handle EIO from delivery function
afs: Fix TTL on VL server and address lists
afs: Implement VL server rotation
afs: Improve FS server rotation error handling
...
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull compat_ioctl fixes from Al Viro:
"A bunch of compat_ioctl fixes, mostly in bluetooth.
Hopefully, most of fs/compat_ioctl.c will get killed off over the next
few cycles; between this, tty series already merged and Arnd's work
this cycle ought to take a good chunk out of the damn thing..."
* 'work.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
hidp: fix compat_ioctl
hidp: constify hidp_connection_add()
cmtp: fix compat_ioctl
bnep: fix compat_ioctl
compat_ioctl: trim the pointless includes
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull tty ioctl updates from Al Viro:
"This is the compat_ioctl work related to tty ioctls.
Quite a bit of dead code taken out, all tty-related stuff gone from
fs/compat_ioctl.c. A bunch of compat bugs fixed - some still remain,
but all more or less generic tty-related ioctls should be covered
(remaining issues are in things like driver-private ioctls in a pcmcia
serial card driver not getting properly handled in 32bit processes on
64bit host, etc)"
* 'work.tty-ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (53 commits)
kill TIOCSERGSTRUCT
change semantics of ldisc ->compat_ioctl()
kill TIOCSER[SG]WILD
synclink_gt(): fix compat_ioctl()
pty: fix compat ioctls
compat_ioctl - kill keyboard ioctl handling
gigaset: add ->compat_ioctl()
vt_compat_ioctl(): clean up, use compat_ptr() properly
gigaset: don't try to printk userland buffer contents
dgnc: don't bother with (empty) stub for TCXONC
dgnc: leave TIOC[GS]SOFTCAR to ldisc
remove fallback to drivers for TIOCGICOUNT
dgnc: break-related ioctls won't reach ->ioctl()
kill the rest of tty COMPAT_IOCTL() entries
dgnc: TIOCM... won't reach ->ioctl()
isdn_tty: TCSBRK{,P} won't reach ->ioctl()
kill capinc_tty_ioctl()
take compat TIOC[SG]SERIAL treatment into tty_compat_ioctl()
synclink: reduce pointless checks in ->ioctl()
complete ->[sg]et_serial() switchover
...
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In the iov_iter struct, separate the iterator type from the iterator
direction and use accessor functions to access them in most places.
Convert a bunch of places to use switch-statements to access them rather
then chains of bitwise-AND statements. This makes it easier to add further
iterator types. Also, this can be more efficient as to implement a switch
of small contiguous integers, the compiler can use ~50% fewer compare
instructions than it has to use bitwise-and instructions.
Further, cease passing the iterator type into the iterator setup function.
The iterator function can set that itself. Only the direction is required.
Signed-off-by: David Howells <dhowells@redhat.com>
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The check on status is redundant as a status has to be zero at
the point it is being checked because of a previous check and return
path via label 'unlock'. Remove the redundant check and the deadcode
that can never be reached.
Detected by CoverityScan, CID#1471710 ("Logically dead code")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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L2CAP: New result values
0x0006 - Connection refused – Invalid Source CID
0x0007 - Connection refused – Source CID already allocated
As per the ESR08_V1.0.0, 1.11.2 Erratum 3253, Page No. 54,
"Remote CID invalid Issue".
Applies to Core Specification versions: V5.0, V4.2, v4.1, v4.0, and v3.0 + HS
Vol 3, Part A, Section 4.2, 4.3, 4.14, 4.15.
Core Specification Version 5.0, Page No.1753, Table 4.6 and
Page No. 1767, Table 4.14
New result values are added to l2cap connect/create channel response as
0x0006 - Connection refused – Invalid Source CID
0x0007 - Connection refused – Source CID already allocated
Signed-off-by: Mallikarjun Phulari <mallikarjun.phulari@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Add the result values specific to L2CAP LE credit based connections
and change the old result values wherever they were used.
Signed-off-by: Mallikarjun Phulari <mallikarjun.phulari@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Once upon a time a bunch of serial drivers used to provide that;
today it's only amiserial and it's FUBAR - the structure being
copied to userland includes kernel pointers, fields with
config-dependent size, etc. No userland code using it could
possibly survive - e.g. enabling lockdep definitely changes the
layout. Besides, it's a massive infoleak.
Kill it. If somebody needs that data for debugging purposes, they
can bloody well expose it saner ways. Assuming anyone does debugging
of amiserial in the first place, that is.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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no support there
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Minor conflict in net/core/rtnetlink.c, David Ahern's bug fix in 'net'
overlapped the renaming of a netlink attribute in net-next.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix crash caused by NULL pointer dereference when debugfs functions
le_max_key_read, le_max_key_size_write, le_min_key_size_read or
le_min_key_size_write and Bluetooth adapter was powered off.
Fix is to move max_key_size and min_key_size from smp_dev to hci_dev.
At the same time they were renamed to le_max_key_size and
le_min_key_size.
BUG: unable to handle kernel NULL pointer dereference at 00000000000002e8
PGD 0 P4D 0
Oops: 0000 [#24] SMP PTI
CPU: 2 PID: 6255 Comm: cat Tainted: G D OE 4.18.9-200.fc28.x86_64 #1
Hardware name: LENOVO 4286CTO/4286CTO, BIOS 8DET76WW (1.46 ) 06/21/2018
RIP: 0010:le_max_key_size_read+0x45/0xb0 [bluetooth]
Code: 00 00 00 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 31 c0 48 8b 87 c8 00 00 00 48 8d 7c 24 04 48 8b 80 48 0a 00 00 <48> 8b 80 e8 02 00 00 0f b6 48 52 e8 fb b6 b3 ed be 04 00 00 00 48
RSP: 0018:ffffab23c3ff3df0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007f0b4ca2e000 RCX: ffffab23c3ff3f08
RDX: ffffffffc0ddb033 RSI: 0000000000000004 RDI: ffffab23c3ff3df4
RBP: 0000000000020000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffab23c3ff3ed8 R11: 0000000000000000 R12: ffffab23c3ff3f08
R13: 00007f0b4ca2e000 R14: 0000000000020000 R15: ffffab23c3ff3f08
FS: 00007f0b4ca0f540(0000) GS:ffff91bd5e280000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000000002e8 CR3: 00000000629fa006 CR4: 00000000000606e0
Call Trace:
full_proxy_read+0x53/0x80
__vfs_read+0x36/0x180
vfs_read+0x8a/0x140
ksys_read+0x4f/0xb0
do_syscall_64+0x5b/0x160
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Signed-off-by: Matias Karhumaa <matias.karhumaa@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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If the remote is not able to fully utilize the MPS choosen recalculate
the credits based on the actual amount it is sending that way it can
still send packets of MTU size without credits dropping to 0.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Give enough rx credits for a full packet instead of using an arbitrary
number which may not be enough depending on the MTU and MPS which can
cause interruptions while waiting for more credits, also remove
debugfs entry for l2cap_le_max_credits.
With these changes the credits are restored after each SDU is received
instead of using fixed threshold, this way it is garanteed that there
will always be enough credits to send a packet without waiting more
credits to arrive.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This ensures the MPS can fit in a single HCI fragment so each
segment don't have to be reassembled at HCI level, in addition to
that also remove the debugfs entry to configure the MPS.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Add the definitions for adding entries to the LE resolve list and
removing entries from the LE resolve list. When the LE resolve list
gets changed via HCI commands make sure that the internal storage of
the resolve list entries gets updated.
Signed-off-by: Ankit Navik <ankit.p.navik@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The barriers are unneeded; wait_woken() and woken_wake_function()
already provide us with the required synchronization: remove them
and document that we're relying on the (implicit) synchronization
provided by wait_woken() and woken_wake_function().
Signed-off-by: Andrea Parri <andrea.parri@amarulasolutions.com>
Reviewed-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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In case unpair_device() was called through mgmt interface at the same time
when pairing was in progress, Bluetooth kernel module crash was seen.
[ 600.351225] general protection fault: 0000 [#1] SMP PTI
[ 600.351235] CPU: 1 PID: 11096 Comm: btmgmt Tainted: G OE 4.19.0-rc1+ #1
[ 600.351238] Hardware name: Dell Inc. Latitude E5440/08RCYC, BIOS A18 05/14/2017
[ 600.351272] RIP: 0010:smp_chan_destroy.isra.10+0xce/0x2c0 [bluetooth]
[ 600.351276] Code: c0 0f 84 b4 01 00 00 80 78 28 04 0f 84 53 01 00 00 4d 85 ed 0f 85 ab 00 00 00 48 8b 08 48 8b 50 08 be 10 00 00 00 48 89 51 08 <48> 89 0a 48 b9 00 02 00 00 00 00 ad de 48 89 48 08 48 8b 83 00 01
[ 600.351279] RSP: 0018:ffffa9be839b3b50 EFLAGS: 00010246
[ 600.351282] RAX: ffff9c999ac565a0 RBX: ffff9c9996e98c00 RCX: ffff9c999aa28b60
[ 600.351285] RDX: dead000000000200 RSI: 0000000000000010 RDI: ffff9c999e403500
[ 600.351287] RBP: ffffa9be839b3b70 R08: 0000000000000000 R09: ffffffff92a25c00
[ 600.351290] R10: ffffa9be839b3ae8 R11: 0000000000000001 R12: ffff9c995375b800
[ 600.351292] R13: 0000000000000000 R14: ffff9c99619a5000 R15: ffff9c9962a01c00
[ 600.351295] FS: 00007fb2be27c700(0000) GS:ffff9c999e880000(0000) knlGS:0000000000000000
[ 600.351298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 600.351300] CR2: 00007fb2bdadbad0 CR3: 000000041c328001 CR4: 00000000001606e0
[ 600.351302] Call Trace:
[ 600.351325] smp_failure+0x4f/0x70 [bluetooth]
[ 600.351345] smp_cancel_pairing+0x74/0x80 [bluetooth]
[ 600.351370] unpair_device+0x1c1/0x330 [bluetooth]
[ 600.351399] hci_sock_sendmsg+0x960/0x9f0 [bluetooth]
[ 600.351409] ? apparmor_socket_sendmsg+0x1e/0x20
[ 600.351417] sock_sendmsg+0x3e/0x50
[ 600.351422] sock_write_iter+0x85/0xf0
[ 600.351429] do_iter_readv_writev+0x12b/0x1b0
[ 600.351434] do_iter_write+0x87/0x1a0
[ 600.351439] vfs_writev+0x98/0x110
[ 600.351443] ? ep_poll+0x16d/0x3d0
[ 600.351447] ? ep_modify+0x73/0x170
[ 600.351451] do_writev+0x61/0xf0
[ 600.351455] ? do_writev+0x61/0xf0
[ 600.351460] __x64_sys_writev+0x1c/0x20
[ 600.351465] do_syscall_64+0x5a/0x110
[ 600.351471] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 600.351474] RIP: 0033:0x7fb2bdb62fe0
[ 600.351477] Code: 73 01 c3 48 8b 0d b8 6e 2c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 69 c7 2c 00 00 75 10 b8 14 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 de 80 01 00 48 89 04 24
[ 600.351479] RSP: 002b:00007ffe062cb8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
[ 600.351484] RAX: ffffffffffffffda RBX: 000000000255b3d0 RCX: 00007fb2bdb62fe0
[ 600.351487] RDX: 0000000000000001 RSI: 00007ffe062cb920 RDI: 0000000000000004
[ 600.351490] RBP: 00007ffe062cb920 R08: 000000000255bd80 R09: 0000000000000000
[ 600.351494] R10: 0000000000000353 R11: 0000000000000246 R12: 0000000000000001
[ 600.351497] R13: 00007ffe062cbbe0 R14: 0000000000000000 R15: 0000000000000000
[ 600.351501] Modules linked in: algif_hash algif_skcipher af_alg cmac ipt_MASQUERADE nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo iptable_nat nf_nat_ipv4 xt_addrtype iptable_filter ip_tables xt_conntrack x_tables nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c br_netfilter bridge stp llc overlay arc4 nls_iso8859_1 dm_crypt intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp dell_laptop kvm_intel crct10dif_pclmul dell_smm_hwmon crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd cryptd glue_helper intel_cstate intel_rapl_perf uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media hid_multitouch input_leds joydev serio_raw dell_wmi snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic dell_smbios dcdbas sparse_keymap
[ 600.351569] snd_hda_intel btusb snd_hda_codec btrtl btbcm btintel snd_hda_core bluetooth(OE) snd_hwdep snd_pcm iwlmvm ecdh_generic wmi_bmof dell_wmi_descriptor snd_seq_midi mac80211 snd_seq_midi_event lpc_ich iwlwifi snd_rawmidi snd_seq snd_seq_device snd_timer cfg80211 snd soundcore mei_me mei dell_rbtn dell_smo8800 mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid hid i915 nouveau kvmgt vfio_mdev mdev vfio_iommu_type1 vfio kvm irqbypass i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect sysimgblt mxm_wmi psmouse ahci sdhci_pci cqhci libahci fb_sys_fops sdhci drm e1000e video wmi
[ 600.351637] ---[ end trace e49e9f1df09c94fb ]---
[ 600.351664] RIP: 0010:smp_chan_destroy.isra.10+0xce/0x2c0 [bluetooth]
[ 600.351666] Code: c0 0f 84 b4 01 00 00 80 78 28 04 0f 84 53 01 00 00 4d 85 ed 0f 85 ab 00 00 00 48 8b 08 48 8b 50 08 be 10 00 00 00 48 89 51 08 <48> 89 0a 48 b9 00 02 00 00 00 00 ad de 48 89 48 08 48 8b 83 00 01
[ 600.351669] RSP: 0018:ffffa9be839b3b50 EFLAGS: 00010246
[ 600.351672] RAX: ffff9c999ac565a0 RBX: ffff9c9996e98c00 RCX: ffff9c999aa28b60
[ 600.351674] RDX: dead000000000200 RSI: 0000000000000010 RDI: ffff9c999e403500
[ 600.351676] RBP: ffffa9be839b3b70 R08: 0000000000000000 R09: ffffffff92a25c00
[ 600.351679] R10: ffffa9be839b3ae8 R11: 0000000000000001 R12: ffff9c995375b800
[ 600.351681] R13: 0000000000000000 R14: ffff9c99619a5000 R15: ffff9c9962a01c00
[ 600.351684] FS: 00007fb2be27c700(0000) GS:ffff9c999e880000(0000) knlGS:0000000000000000
[ 600.351686] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 600.351689] CR2: 00007fb2bdadbad0 CR3: 000000041c328001 CR4: 00000000001606e0
Crash happened because list_del_rcu() was called twice for smp->ltk. This
was possible if unpair_device was called right after ltk was generated
but before keys were distributed.
In this commit smp_cancel_pairing was refactored to cancel pairing if it
is in progress and otherwise just removes keys. Once keys are removed from
rcu list, pointers to smp context's keys are set to NULL to make sure
removed list items are not accessed later.
This commit also adjusts the functionality of mgmt unpair_device() little
bit. Previously pairing was canceled only if pairing was in state that
keys were already generated. With this commit unpair_device() cancels
pairing already in earlier states.
Bug was found by fuzzing kernel SMP implementation using Synopsys
Defensics.
Reported-by: Pekka Oikarainen <pekka.oikarainen@synopsys.com>
Signed-off-by: Matias Karhumaa <matias.karhumaa@gmail.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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In case local OOB data was generated and other device initiated pairing
claiming that it has got OOB data, following crash occurred:
[ 222.847853] general protection fault: 0000 [#1] SMP PTI
[ 222.848025] CPU: 1 PID: 42 Comm: kworker/u5:0 Tainted: G C 4.18.0-custom #4
[ 222.848158] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
[ 222.848307] Workqueue: hci0 hci_rx_work [bluetooth]
[ 222.848416] RIP: 0010:compute_ecdh_secret+0x5a/0x270 [bluetooth]
[ 222.848540] Code: 0c af f5 48 8b 3d 46 de f0 f6 ba 40 00 00 00 be c0 00 60 00 e8 b7 7b c5 f5 48 85 c0 0f 84 ea 01 00 00 48 89 c3 e8 16 0c af f5 <49> 8b 47 38 be c0 00 60 00 8b 78 f8 48 83 c7 48 e8 51 84 c5 f5 48
[ 222.848914] RSP: 0018:ffffb1664087fbc0 EFLAGS: 00010293
[ 222.849021] RAX: ffff8a5750d7dc00 RBX: ffff8a5671096780 RCX: ffffffffc08bc32a
[ 222.849111] RDX: 0000000000000000 RSI: 00000000006000c0 RDI: ffff8a5752003800
[ 222.849192] RBP: ffffb1664087fc60 R08: ffff8a57525280a0 R09: ffff8a5752003800
[ 222.849269] R10: ffffb1664087fc70 R11: 0000000000000093 R12: ffff8a5674396e00
[ 222.849350] R13: ffff8a574c2e79aa R14: ffff8a574c2e796a R15: 020e0e100d010101
[ 222.849429] FS: 0000000000000000(0000) GS:ffff8a5752500000(0000) knlGS:0000000000000000
[ 222.849518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 222.849586] CR2: 000055856016a038 CR3: 0000000110d2c005 CR4: 00000000000606e0
[ 222.849671] Call Trace:
[ 222.849745] ? sc_send_public_key+0x110/0x2a0 [bluetooth]
[ 222.849825] ? sc_send_public_key+0x115/0x2a0 [bluetooth]
[ 222.849925] smp_recv_cb+0x959/0x2490 [bluetooth]
[ 222.850023] ? _cond_resched+0x19/0x40
[ 222.850105] ? mutex_lock+0x12/0x40
[ 222.850202] l2cap_recv_frame+0x109d/0x3420 [bluetooth]
[ 222.850315] ? l2cap_recv_frame+0x109d/0x3420 [bluetooth]
[ 222.850426] ? __switch_to_asm+0x34/0x70
[ 222.850515] ? __switch_to_asm+0x40/0x70
[ 222.850625] ? __switch_to_asm+0x34/0x70
[ 222.850724] ? __switch_to_asm+0x40/0x70
[ 222.850786] ? __switch_to_asm+0x34/0x70
[ 222.850846] ? __switch_to_asm+0x40/0x70
[ 222.852581] ? __switch_to_asm+0x34/0x70
[ 222.854976] ? __switch_to_asm+0x40/0x70
[ 222.857475] ? __switch_to_asm+0x40/0x70
[ 222.859775] ? __switch_to_asm+0x34/0x70
[ 222.861218] ? __switch_to_asm+0x40/0x70
[ 222.862327] ? __switch_to_asm+0x34/0x70
[ 222.863758] l2cap_recv_acldata+0x266/0x3c0 [bluetooth]
[ 222.865122] hci_rx_work+0x1c9/0x430 [bluetooth]
[ 222.867144] process_one_work+0x210/0x4c0
[ 222.868248] worker_thread+0x41/0x4d0
[ 222.869420] kthread+0x141/0x160
[ 222.870694] ? process_one_work+0x4c0/0x4c0
[ 222.871668] ? kthread_create_worker_on_cpu+0x90/0x90
[ 222.872896] ret_from_fork+0x35/0x40
[ 222.874132] Modules linked in: algif_hash algif_skcipher af_alg rfcomm bnep btusb btrtl btbcm btintel snd_intel8x0 cmac intel_rapl_perf vboxvideo(C) snd_ac97_codec bluetooth ac97_bus joydev ttm snd_pcm ecdh_generic drm_kms_helper snd_timer snd input_leds drm serio_raw fb_sys_fops soundcore syscopyarea sysfillrect sysimgblt mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic usbhid hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd cryptd glue_helper ahci psmouse libahci i2c_piix4 video e1000 pata_acpi
[ 222.883153] fbcon_switch: detected unhandled fb_set_par error, error code -16
[ 222.886774] fbcon_switch: detected unhandled fb_set_par error, error code -16
[ 222.890503] ---[ end trace 6504aa7a777b5316 ]---
[ 222.890541] RIP: 0010:compute_ecdh_secret+0x5a/0x270 [bluetooth]
[ 222.890551] Code: 0c af f5 48 8b 3d 46 de f0 f6 ba 40 00 00 00 be c0 00 60 00 e8 b7 7b c5 f5 48 85 c0 0f 84 ea 01 00 00 48 89 c3 e8 16 0c af f5 <49> 8b 47 38 be c0 00 60 00 8b 78 f8 48 83 c7 48 e8 51 84 c5 f5 48
[ 222.890555] RSP: 0018:ffffb1664087fbc0 EFLAGS: 00010293
[ 222.890561] RAX: ffff8a5750d7dc00 RBX: ffff8a5671096780 RCX: ffffffffc08bc32a
[ 222.890565] RDX: 0000000000000000 RSI: 00000000006000c0 RDI: ffff8a5752003800
[ 222.890571] RBP: ffffb1664087fc60 R08: ffff8a57525280a0 R09: ffff8a5752003800
[ 222.890576] R10: ffffb1664087fc70 R11: 0000000000000093 R12: ffff8a5674396e00
[ 222.890581] R13: ffff8a574c2e79aa R14: ffff8a574c2e796a R15: 020e0e100d010101
[ 222.890586] FS: 0000000000000000(0000) GS:ffff8a5752500000(0000) knlGS:0000000000000000
[ 222.890591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 222.890594] CR2: 000055856016a038 CR3: 0000000110d2c005 CR4: 00000000000606e0
This commit fixes a bug where invalid pointer to crypto tfm was used for
SMP SC ECDH calculation when OOB was in use. Solution is to use same
crypto tfm than when generating OOB material on generate_oob() function.
This bug was introduced in commit c0153b0b901a ("Bluetooth: let the crypto
subsystem generate the ecc privkey"). Bug was found by fuzzing kernel SMP
implementation using Synopsys Defensics.
Signed-off-by: Matias Karhumaa <matias.karhumaa@gmail.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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A remote device may claim that it has received our OOB data, even
though we never geneated it. Add a new flag to track whether we
actually have OOB data, and ignore the remote peer's flag if haven't
generated OOB data.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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1) no point putting it into fs/compat_ioctl.c when you handle it in
your ->compat_ioctl() anyway.
2) HIDPCONNADD is *not* COMPATIBLE_IOCTL() stuff at all - it does
layout massage (pointer-chasing there)
3) use compat_ptr()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Use compat_ptr(). And don't mess with fs/compat_ioctl.c
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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use compat_ptr() properly and don't bother with fs/compat_ioctl.c -
it's all handled in ->compat_ioctl() anyway.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
|
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Pull networking updates from David Miller:
"Highlights:
- Gustavo A. R. Silva keeps working on the implicit switch fallthru
changes.
- Support 802.11ax High-Efficiency wireless in cfg80211 et al, From
Luca Coelho.
- Re-enable ASPM in r8169, from Kai-Heng Feng.
- Add virtual XFRM interfaces, which avoids all of the limitations of
existing IPSEC tunnels. From Steffen Klassert.
- Convert GRO over to use a hash table, so that when we have many
flows active we don't traverse a long list during accumluation.
- Many new self tests for routing, TC, tunnels, etc. Too many
contributors to mention them all, but I'm really happy to keep
seeing this stuff.
- Hardware timestamping support for dpaa_eth/fsl-fman from Yangbo Lu.
- Lots of cleanups and fixes in L2TP code from Guillaume Nault.
- Add IPSEC offload support to netdevsim, from Shannon Nelson.
- Add support for slotting with non-uniform distribution to netem
packet scheduler, from Yousuk Seung.
- Add UDP GSO support to mlx5e, from Boris Pismenny.
- Support offloading of Team LAG in NFP, from John Hurley.
- Allow to configure TX queue selection based upon RX queue, from
Amritha Nambiar.
- Support ethtool ring size configuration in aquantia, from Anton
Mikaev.
- Support DSCP and flowlabel per-transport in SCTP, from Xin Long.
- Support list based batching and stack traversal of SKBs, this is
very exciting work. From Edward Cree.
- Busyloop optimizations in vhost_net, from Toshiaki Makita.
- Introduce the ETF qdisc, which allows time based transmissions. IGB
can offload this in hardware. From Vinicius Costa Gomes.
- Add parameter support to devlink, from Moshe Shemesh.
- Several multiplication and division optimizations for BPF JIT in
nfp driver, from Jiong Wang.
- Lots of prepatory work to make more of the packet scheduler layer
lockless, when possible, from Vlad Buslov.
- Add ACK filter and NAT awareness to sch_cake packet scheduler, from
Toke Høiland-Jørgensen.
- Support regions and region snapshots in devlink, from Alex Vesker.
- Allow to attach XDP programs to both HW and SW at the same time on
a given device, with initial support in nfp. From Jakub Kicinski.
- Add TLS RX offload and support in mlx5, from Ilya Lesokhin.
- Use PHYLIB in r8169 driver, from Heiner Kallweit.
- All sorts of changes to support Spectrum 2 in mlxsw driver, from
Ido Schimmel.
- PTP support in mv88e6xxx DSA driver, from Andrew Lunn.
- Make TCP_USER_TIMEOUT socket option more accurate, from Jon
Maxwell.
- Support for templates in packet scheduler classifier, from Jiri
Pirko.
- IPV6 support in RDS, from Ka-Cheong Poon.
- Native tproxy support in nf_tables, from Máté Eckl.
- Maintain IP fragment queue in an rbtree, but optimize properly for
in-order frags. From Peter Oskolkov.
- Improvde handling of ACKs on hole repairs, from Yuchung Cheng"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1996 commits)
bpf: test: fix spelling mistake "REUSEEPORT" -> "REUSEPORT"
hv/netvsc: Fix NULL dereference at single queue mode fallback
net: filter: mark expected switch fall-through
xen-netfront: fix warn message as irq device name has '/'
cxgb4: Add new T5 PCI device ids 0x50af and 0x50b0
net: dsa: mv88e6xxx: missing unlock on error path
rds: fix building with IPV6=m
inet/connection_sock: prefer _THIS_IP_ to current_text_addr
net: dsa: mv88e6xxx: bitwise vs logical bug
net: sock_diag: Fix spectre v1 gadget in __sock_diag_cmd()
ieee802154: hwsim: using right kind of iteration
net: hns3: Add vlan filter setting by ethtool command -K
net: hns3: Set tx ring' tc info when netdev is up
net: hns3: Remove tx ring BD len register in hns3_enet
net: hns3: Fix desc num set to default when setting channel
net: hns3: Fix for phy link issue when using marvell phy driver
net: hns3: Fix for information of phydev lost problem when down/up
net: hns3: Fix for command format parsing error in hclge_is_all_function_id_zero
net: hns3: Add support for serdes loopback selftest
bnxt_en: take coredump_record structure off stack
...
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git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED updates from Jacek Anaszewski:
"LED triggers improvements make the biggest part of this pull request.
The most striking ones, that allowed for nice cleanups in the triggers
are:
- centralized handling of creation and removal of trigger sysfs
attributes via attribute group
- addition of module_led_trigger() helper
The other things that need to be mentioned:
New features and improvements to existing LED class drivers:
- lt3593: add DT support, switch to gpiod interface
- lm3692x: support LED sync configuration, change OF calls to fwnode
calls
- apu: modify PC Engines apu/apu2 driver to support apu3
Change in the drivers/net/can/led.c:
- mark led trigger as broken since it's in the way for the further
cleanups. It implements a subset of the netdev trigger and an Ack
is needed from someone who can actually test and confirm that the
netdev trigger works for can devices"
* tag 'leds-for-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds: (32 commits)
leds: ns2: Change unsigned to unsigned int
usb: simplify usbport trigger
leds: gpio trigger: simplifications from core changes
leds: backlight trigger: simplifications from core changes
leds: activity trigger: simplifications from core changes
leds: default-on trigger: make use of module_led_trigger()
leds: heartbeat trigger: simplifications from core changes
leds: oneshot trigger: simplifications from core changes
leds: transient trigger: simplifications from core changes
leds: timer trigger: simplifications from core changes
leds: netdev trigger: simplifications from core changes
leds: triggers: new function led_set_trigger_data()
leds: triggers: define module_led_trigger helper
leds: triggers: handle .trigger_data and .activated() in the core
leds: triggers: add device attribute support
leds: triggers: let struct led_trigger::activate() return an error code
leds: triggers: make the MODULE_LICENSE string match the actual license
leds: lm3692x: Support LED sync configuration
dt: bindings: lm3692x: Update binding for LED sync control
leds: lm3692x: Change DT calls to fwnode calls
...
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Add the definitions for LE address resolution enable HCI commands.
When the LE address resolution enable gets changed via HCI commands
make sure that flag gets updated.
Signed-off-by: Ankit Navik <ankit.p.navik@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Variables 'adv_set' and 'cp' are being assigned but are never used hence
they are redundant and can be removed.
Cleans up clang warnings:
net/bluetooth/hci_event.c:1135:29: warning: variable 'adv_set' set but not used [-Wunused-but-set-variable]
net/bluetooth/mgmt.c:3359:39: warning: variable 'cp' set but not used [-Wunused-but-set-variable]
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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CVE-2018-9363
The buffer length is unsigned at all layers, but gets cast to int and
checked in hidp_process_report and can lead to a buffer overflow.
Switch len parameter to unsigned int to resolve issue.
This affects 3.18 and newer kernels.
Signed-off-by: Mark Salyzyn <salyzyn@android.com>
Fixes: a4b1b5877b514b276f0f31efe02388a9c2836728 ("HID: Bluetooth: hidp: make sure input buffers are big enough")
Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: Johan Hedberg <johan.hedberg@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Kees Cook <keescook@chromium.org>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: linux-bluetooth@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: security@kernel.org
Cc: kernel-team@android.com
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This fixes two issues with setting hid->name information.
CC net/bluetooth/hidp/core.o
In function ‘hidp_setup_hid’,
inlined from ‘hidp_session_dev_init’ at net/bluetooth/hidp/core.c:815:9,
inlined from ‘hidp_session_new’ at net/bluetooth/hidp/core.c:953:8,
inlined from ‘hidp_connection_add’ at net/bluetooth/hidp/core.c:1366:8:
net/bluetooth/hidp/core.c:778:2: warning: ‘strncpy’ output may be truncated copying 127 bytes from a string of length 127 [-Wstringop-truncation]
strncpy(hid->name, req->name, sizeof(req->name) - 1);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
CC net/bluetooth/hidp/core.o
net/bluetooth/hidp/core.c: In function ‘hidp_setup_hid’:
net/bluetooth/hidp/core.c:778:38: warning: argument to ‘sizeof’ in ‘strncpy’ call is the same expression as the source; did you mean to use the size of the destination? [-Wsizeof-pointer-memaccess]
strncpy(hid->name, req->name, sizeof(req->name));
^
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Add a new quirk HCI_QUIRK_NON_PERSISTENT_SETUP allowing that a quirk that
runs setup() after every open() and not just after the first open().
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch adds support for advertising in primary and secondary
channel on different PHYs. User can add the phy preference in
the flag based on which phy type will be added in extended
advertising parameter would be set.
@ MGMT Command: Add Advertising (0x003e) plen 11
Instance: 1
Flags: 0x00000200
Advertise in CODED on Secondary channel
Duration: 0
Timeout: 0
Advertising data length: 0
Scan response length: 0
< HCI Command: LE Set Extended Advertising Enable (0x08|0x0039) plen 2
Extended advertising: Disabled (0x00)
Number of sets: Disable all sets (0x00)
> HCI Event: Command Complete (0x0e) plen 4
LE Set Extended Advertising Enable (0x08|0x0039) ncmd 2
Status: Success (0x00)
< HCI Command: LE Set Extended Advertising Parameters (0x08|0x0036) plen 25
Handle: 0x00
Properties: 0x0000
Min advertising interval: 1280.000 msec (0x0800)
Max advertising interval: 1280.000 msec (0x0800)
Channel map: 37, 38, 39 (0x07)
Own address type: Random (0x01)
Peer address type: Public (0x00)
Peer address: 00:00:00:00:00:00 (OUI 00-00-00)
Filter policy: Allow Scan Request from Any, Allow Connect Request from Any (0x00)
TX power: 127 dbm (0x7f)
Primary PHY: LE Coded (0x03)
Secondary max skip: 0x00
Secondary PHY: LE Coded (0x03)
SID: 0x00
Scan request notifications: Disabled (0x00)
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This event comes after connection complete event for incoming
connections. Since we now have different random address for
each instance, conn resp address is assigned from this event.
As of now only connection part is handled as we are not
enabling duration or max num of events while starting ext adv.
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This basically sets the random address for the adv instance
Random address can be set only if the instance is created which
is done in Set ext adv param.
Random address and rpa expire timer and flags have been added
to adv instance which will be used when the respective
instance is scheduled.
This introduces a hci_get_random_address() which returns the
own address type and random address (rpa or nrpa) based
on the instance flags and hdev flags. New function is required
since own address type should be known before setting adv params
but address can be set only after setting params.
< HCI Command: LE Set Advertising Set Random Address (0x08|0x0035) plen 7
Advertising handle: 0x00
Advertising random address: 3C:8E:56:9B:77:84 (OUI 3C-8E-56)
> HCI Event: Command Complete (0x0e) plen 4
LE Set Advertising Set Random Address (0x08|0x0035) ncmd 1
Status: Success (0x00)
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch does extended advertising for directed advertising
if the controller supportes. Instance 0 is used for directed
advertising.
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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If ext adv is enabled then use ext adv to disable as well.
Also remove the adv set during LE disable.
< HCI Command: LE Set Extended Advertising Enable (0x08|0x0039) plen 2
Extended advertising: Disabled (0x00)
Number of sets: Disable all sets (0x00)
> HCI Event: Command Complete (0x0e) plen 4
LE Set Extended Advertising Enable (0x08|0x0039) ncmd 2
Status: Success (0x00)
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch implements Set Ext Adv data and Set Ext Scan rsp data
if controller support extended advertising.
Currently the operation is set as Complete data and fragment
preference is set as no fragment
< HCI Command: LE Set Extended Advertising Data (0x08|0x0037) plen 35
Handle: 0x00
Operation: Complete extended advertising data (0x03)
Fragment preference: Minimize fragmentation (0x01)
Data length: 0x15
16-bit Service UUIDs (complete): 2 entries
Heart Rate (0x180d)
Battery Service (0x180f)
Name (complete): Test LE
Company: Google (224)
Data: 0102
> HCI Event: Command Complete (0x0e) plen 4
LE Set Extended Advertising Data (0x08|0x0037) ncmd 1
Status: Success (0x00)
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch basically replaces legacy adv with extended adv
based on the controller support. Currently there is no
design change. ie only one adv set will be enabled at a time.
This also adds tx_power in instance and store whatever returns
from Set_ext_parameter, use the same in adv data as well.
For instance 0 tx_power is stored in hdev only.
< HCI Command: LE Set Extended Advertising Parameters (0x08|0x0036) plen 25
Handle: 0x00
Properties: 0x0010
Use legacy advertising PDUs: ADV_NONCONN_IND
Min advertising interval: 1280.000 msec (0x0800)
Max advertising interval: 1280.000 msec (0x0800)
Channel map: 37, 38, 39 (0x07)
Own address type: Random (0x01)
Peer address type: Public (0x00)
Peer address: 00:00:00:00:00:00 (OUI 00-00-00)
Filter policy: Allow Scan Request from Any, Allow Connect Request from Any (0x00)
TX power: 127 dbm (0x7f)
Primary PHY: LE 1M (0x01)
Secondary max skip: 0x00
Secondary PHY: LE 1M (0x01)
SID: 0x00
Scan request notifications: Disabled (0x00)
> HCI Event: Command Complete (0x0e) plen 5
LE Set Extended Advertising Parameters (0x08|0x0036) ncmd 1
Status: Success (0x00)
TX power (selected): 7 dbm (0x07)
< HCI Command: LE Set Extended Advertising Enable (0x08|0x0039) plen 6
Extended advertising: Enabled (0x01)
Number of sets: 1 (0x01)
Entry 0
Handle: 0x00
Duration: 0 ms (0x00)
Max ext adv events: 0
> HCI Event: Command Complete (0x0e) plen 4
LE Set Extended Advertising Enable (0x08|0x0039) ncmd 2
Status: Success (0x00)
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch reads the number of advertising sets in the controller
during init and save it in hdev.
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Use the selected PHYs by Set PHY Configuration management command
in extended create connection.
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch defines the extended ADV types and handle it in ADV report.
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Use the PHYs selected in Set Phy Configuration management command
while scanning.
< HCI Command: LE Set Extended Scan Parameters (0x08|0x0041) plen 13
Own address type: Random (0x01)
Filter policy: Accept all advertisement (0x00)
PHYs: 0x05
Entry 0: LE 1M
Type: Active (0x01)
Interval: 11.250 msec (0x0012)
Window: 11.250 msec (0x0012)
Entry 1: LE Coded
Type: Active (0x01)
Interval: 11.250 msec (0x0012)
Window: 11.250 msec (0x0012)
> HCI Event: Command Complete (0x0e) plen 4
LE Set Extended Scan Parameters (0x08|0x0041) ncmd 1
Status: Success (0x00)
< HCI Command: LE Set Extended Scan Enable (0x08|0x0042) plen 6
Extended scan: Enabled (0x01)
Filter duplicates: Enabled (0x01)
Duration: 0 msec (0x0000)
Period: 0.00 sec (0x0000)
> HCI Event: Command Complete (0x0e) plen 4
LE Set Extended Scan Enable (0x08|0x0042) ncmd 2
Status: Success (0x00)
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This defines and implement phy changed event and send it to user
whenever selected PHYs changes using SET_PHY_CONFIGURATION.
This will be also trigerred when BREDR pkt_type is changed using
the legacy ioctl HCISETPTYPE.
@ MGMT Command: Set PHY Configuration (0x0045) plen 4
Selected PHYs: 0x7fff
BR 1M 1SLOT
BR 1M 3SLOT
BR 1M 5SLOT
EDR 2M 1SLOT
EDR 2M 3SLOT
EDR 2M 5SLOT
EDR 3M 1SLOT
EDR 3M 3SLOT
EDR 3M 5SLOT
LE 1M TX
LE 1M RX
LE 2M TX
LE 2M RX
LE CODED TX
LE CODED RX
< HCI Command: LE Set Default PHY (0x08|0x0031) plen 3
All PHYs preference: 0x00
TX PHYs preference: 0x07
LE 1M
LE 2M
LE Coded
RX PHYs preference: 0x07
LE 1M
LE 2M
LE Coded
> HCI Event: Command Complete (0x0e) plen 4
LE Set Default PHY (0x08|0x0031) ncmd 1
Status: Success (0x00)
@ MGMT Event: Command Complete (0x0001) plen 3
Set PHY Configuration (0x0045) plen 0
Status: Success (0x00)
@ MGMT Event: PHY Configuration Changed (0x0026) plen 4
Selected PHYs: 0x7fff
BR 1M 1SLOT
BR 1M 3SLOT
BR 1M 5SLOT
EDR 2M 1SLOT
EDR 2M 3SLOT
EDR 2M 5SLOT
EDR 3M 1SLOT
EDR 3M 3SLOT
EDR 3M 5SLOT
LE 1M TX
LE 1M RX
LE 2M TX
LE 2M RX
LE CODED TX
LE CODED RX
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This enables user to set phys which will be used in all subsequent
connections. Also host will use the same in LE scanning as well.
@ MGMT Command: Set PHY Configuration (0x0045) plen 4
Selected PHYs: 0x7fff
BR 1M 1SLOT
BR 1M 3SLOT
BR 1M 5SLOT
EDR 2M 1SLOT
EDR 2M 3SLOT
EDR 2M 5SLOT
EDR 3M 1SLOT
EDR 3M 3SLOT
EDR 3M 5SLOT
LE 1M TX
LE 1M RX
LE 2M TX
LE 2M RX
LE CODED TX
LE CODED RX
< HCI Command: LE Set Default PHY (0x08|0x0031) plen 3
All PHYs preference: 0x00
TX PHYs preference: 0x07
LE 1M
LE 2M
LE Coded
RX PHYs preference: 0x07
LE 1M
LE 2M
LE Coded
> HCI Event: Command Complete (0x0e) plen 4
LE Set Default PHY (0x08|0x0031) ncmd 1
Status: Success (0x00)
@ MGMT Event: Command Complete (0x0001) plen 3
Set PHY Configuration (0x0045) plen 0
Status: Success (0x00)
@ MGMT Event: PHY Configuration Changed (0x0026) plen 4
Selected PHYs: 0x7fff
BR 1M 1SLOT
BR 1M 3SLOT
BR 1M 5SLOT
EDR 2M 1SLOT
EDR 2M 3SLOT
EDR 2M 5SLOT
EDR 3M 1SLOT
EDR 3M 3SLOT
EDR 3M 5SLOT
LE 1M TX
LE 1M RX
LE 2M TX
LE 2M RX
LE CODED TX
LE CODED RX
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
|
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This commands basically retrieve the supported packet types of
BREDR and supported PHYs of the controller.
BR_1M_1SLOT, LE_1M_TX and LE_1M_RX would be supported by default.
Other PHYs are supported based on the local features.
Also this sets PHY_CONFIGURATION bit in supported settings.
@ MGMT Command: Get PHY Configuration (0x0044) plen 0
@ MGMT Event: Command Complete (0x0001) plen 15
Get PHY Configuration (0x0044) plen 12
Status: Success (0x00)
Supported PHYs: 0x7fff
BR 1M 1SLOT
BR 1M 3SLOT
BR 1M 5SLOT
EDR 2M 1SLOT
EDR 2M 3SLOT
EDR 2M 5SLOT
EDR 3M 1SLOT
EDR 3M 3SLOT
EDR 3M 5SLOT
LE 1M TX
LE 1M RX
LE 2M TX
LE 2M RX
LE CODED TX
LE CODED RX
Configurable PHYs: 0x79fe
BR 1M 3SLOT
BR 1M 5SLOT
EDR 2M 1SLOT
EDR 2M 3SLOT
EDR 2M 5SLOT
EDR 3M 1SLOT
EDR 3M 3SLOT
EDR 3M 5SLOT
LE 2M TX
LE 2M RX
LE CODED TX
LE CODED RX
Selected PHYs: 0x07ff
BR 1M 1SLOT
BR 1M 3SLOT
BR 1M 5SLOT
EDR 2M 1SLOT
EDR 2M 3SLOT
EDR 2M 5SLOT
EDR 3M 1SLOT
EDR 3M 3SLOT
EDR 3M 5SLOT
LE 1M TX
LE 1M RX
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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1M is mandatory to be supported by LE controllers and the same
would be set in power on. This patch defines hdev flags for
LE PHYs and set 1M to default.
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Fixes this warning that was provoked by a pairing:
[60258.016221] WARNING: possible recursive locking detected
[60258.021558] 4.15.0-RD1812-BSP #1 Tainted: G O
[60258.027146] --------------------------------------------
[60258.032464] kworker/u5:0/70 is trying to acquire lock:
[60258.037609] (sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP){+.+.}, at: [<87759073>] bt_accept_enqueue+0x3c/0x74
[60258.046863]
[60258.046863] but task is already holding lock:
[60258.052704] (sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP){+.+.}, at: [<d22d7106>] l2cap_sock_new_connection_cb+0x1c/0x88
[60258.062905]
[60258.062905] other info that might help us debug this:
[60258.069441] Possible unsafe locking scenario:
[60258.069441]
[60258.075368] CPU0
[60258.077821] ----
[60258.080272] lock(sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP);
[60258.085510] lock(sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP);
[60258.090748]
[60258.090748] *** DEADLOCK ***
[60258.090748]
[60258.096676] May be due to missing lock nesting notation
[60258.096676]
[60258.103472] 5 locks held by kworker/u5:0/70:
[60258.107747] #0: ((wq_completion)%shdev->name#2){+.+.}, at: [<9460d092>] process_one_work+0x130/0x4fc
[60258.117263] #1: ((work_completion)(&hdev->rx_work)){+.+.}, at: [<9460d092>] process_one_work+0x130/0x4fc
[60258.126942] #2: (&conn->chan_lock){+.+.}, at: [<7877c8c3>] l2cap_connect+0x80/0x4f8
[60258.134806] #3: (&chan->lock/2){+.+.}, at: [<2e16c724>] l2cap_connect+0x8c/0x4f8
[60258.142410] #4: (sk_lock-AF_BLUETOOTH-BTPROTO_L2CAP){+.+.}, at: [<d22d7106>] l2cap_sock_new_connection_cb+0x1c/0x88
[60258.153043]
[60258.153043] stack backtrace:
[60258.157413] CPU: 1 PID: 70 Comm: kworker/u5:0 Tainted: G O 4.15.0-RD1812-BSP #1
[60258.165945] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
[60258.172485] Workqueue: hci0 hci_rx_work
[60258.176331] Backtrace:
[60258.178797] [<8010c9fc>] (dump_backtrace) from [<8010ccbc>] (show_stack+0x18/0x1c)
[60258.186379] r7:80e55fe4 r6:80e55fe4 r5:20050093 r4:00000000
[60258.192058] [<8010cca4>] (show_stack) from [<809864e8>] (dump_stack+0xb0/0xdc)
[60258.199301] [<80986438>] (dump_stack) from [<8016ecc8>] (__lock_acquire+0xffc/0x11d4)
[60258.207144] r9:5e2bb019 r8:630f974c r7:ba8a5940 r6:ba8a5ed8 r5:815b5220 r4:80fa081c
[60258.214901] [<8016dccc>] (__lock_acquire) from [<8016f620>] (lock_acquire+0x78/0x98)
[60258.222655] r10:00000040 r9:00000040 r8:808729f0 r7:00000001 r6:00000000 r5:60050013
[60258.230491] r4:00000000
[60258.233045] [<8016f5a8>] (lock_acquire) from [<806ee974>] (lock_sock_nested+0x64/0x88)
[60258.240970] r7:00000000 r6:b796e870 r5:00000001 r4:b796e800
[60258.246643] [<806ee910>] (lock_sock_nested) from [<808729f0>] (bt_accept_enqueue+0x3c/0x74)
[60258.255004] r8:00000001 r7:ba7d3c00 r6:ba7d3ea4 r5:ba7d2000 r4:b796e800
[60258.261717] [<808729b4>] (bt_accept_enqueue) from [<808aa39c>] (l2cap_sock_new_connection_cb+0x68/0x88)
[60258.271117] r5:b796e800 r4:ba7d2000
[60258.274708] [<808aa334>] (l2cap_sock_new_connection_cb) from [<808a294c>] (l2cap_connect+0x190/0x4f8)
[60258.283933] r5:00000001 r4:ba6dce00
[60258.287524] [<808a27bc>] (l2cap_connect) from [<808a4a14>] (l2cap_recv_frame+0x744/0x2cf8)
[60258.295800] r10:ba6dcf24 r9:00000004 r8:b78d8014 r7:00000004 r6:bb05d000 r5:00000004
[60258.303635] r4:bb05d008
[60258.306183] [<808a42d0>] (l2cap_recv_frame) from [<808a7808>] (l2cap_recv_acldata+0x210/0x214)
[60258.314805] r10:b78e7800 r9:bb05d960 r8:00000001 r7:bb05d000 r6:0000000c r5:b7957a80
[60258.322641] r4:ba6dce00
[60258.325188] [<808a75f8>] (l2cap_recv_acldata) from [<8087630c>] (hci_rx_work+0x35c/0x4e8)
[60258.333374] r6:80e5743c r5:bb05d7c8 r4:b7957a80
[60258.338004] [<80875fb0>] (hci_rx_work) from [<8013dc7c>] (process_one_work+0x1a4/0x4fc)
[60258.346018] r10:00000001 r9:00000000 r8:baabfef8 r7:ba997500 r6:baaba800 r5:baaa5d00
[60258.353853] r4:bb05d7c8
[60258.356401] [<8013dad8>] (process_one_work) from [<8013e028>] (worker_thread+0x54/0x5cc)
[60258.364503] r10:baabe038 r9:baaba834 r8:80e05900 r7:00000088 r6:baaa5d18 r5:baaba800
[60258.372338] r4:baaa5d00
[60258.374888] [<8013dfd4>] (worker_thread) from [<801448f8>] (kthread+0x134/0x160)
[60258.382295] r10:ba8310b8 r9:bb07dbfc r8:8013dfd4 r7:baaa5d00 r6:00000000 r5:baaa8ac0
[60258.390130] r4:ba831080
[60258.392682] [<801447c4>] (kthread) from [<801080b4>] (ret_from_fork+0x14/0x20)
[60258.399915] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:801447c4
[60258.407751] r4:baaa8ac0 r3:baabe000
Signed-off-by: Philipp Puschmann <pp@emlix.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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slub debug reported:
[ 440.648642] =============================================================================
[ 440.648649] BUG kmalloc-1024 (Tainted: G BU O ): Poison overwritten
[ 440.648651] -----------------------------------------------------------------------------
[ 440.648655] INFO: 0xe70f4bec-0xe70f4bec. First byte 0x6a instead of 0x6b
[ 440.648665] INFO: Allocated in sk_prot_alloc+0x6b/0xc6 age=33155 cpu=1 pid=1047
[ 440.648671] ___slab_alloc.constprop.24+0x1fc/0x292
[ 440.648675] __slab_alloc.isra.18.constprop.23+0x1c/0x25
[ 440.648677] __kmalloc+0xb6/0x17f
[ 440.648680] sk_prot_alloc+0x6b/0xc6
[ 440.648683] sk_alloc+0x1e/0xa1
[ 440.648700] sco_sock_alloc.constprop.6+0x26/0xaf [bluetooth]
[ 440.648716] sco_connect_cfm+0x166/0x281 [bluetooth]
[ 440.648731] hci_conn_request_evt.isra.53+0x258/0x281 [bluetooth]
[ 440.648746] hci_event_packet+0x28b/0x2326 [bluetooth]
[ 440.648759] hci_rx_work+0x161/0x291 [bluetooth]
[ 440.648764] process_one_work+0x163/0x2b2
[ 440.648767] worker_thread+0x1a9/0x25c
[ 440.648770] kthread+0xf8/0xfd
[ 440.648774] ret_from_fork+0x2e/0x38
[ 440.648779] INFO: Freed in __sk_destruct+0xd3/0xdf age=3815 cpu=1 pid=1047
[ 440.648782] __slab_free+0x4b/0x27a
[ 440.648784] kfree+0x12e/0x155
[ 440.648787] __sk_destruct+0xd3/0xdf
[ 440.648790] sk_destruct+0x27/0x29
[ 440.648793] __sk_free+0x75/0x91
[ 440.648795] sk_free+0x1c/0x1e
[ 440.648810] sco_sock_kill+0x5a/0x5f [bluetooth]
[ 440.648825] sco_conn_del+0x8e/0xba [bluetooth]
[ 440.648840] sco_disconn_cfm+0x3a/0x41 [bluetooth]
[ 440.648855] hci_event_packet+0x45e/0x2326 [bluetooth]
[ 440.648868] hci_rx_work+0x161/0x291 [bluetooth]
[ 440.648872] process_one_work+0x163/0x2b2
[ 440.648875] worker_thread+0x1a9/0x25c
[ 440.648877] kthread+0xf8/0xfd
[ 440.648880] ret_from_fork+0x2e/0x38
[ 440.648884] INFO: Slab 0xf4718580 objects=27 used=27 fp=0x (null) flags=0x40008100
[ 440.648886] INFO: Object 0xe70f4b88 @offset=19336 fp=0xe70f54f8
When KASAN was enabled, it reported:
[ 210.096613] ==================================================================
[ 210.096634] BUG: KASAN: use-after-free in ex_handler_refcount+0x5b/0x127
[ 210.096641] Write of size 4 at addr ffff880107e17160 by task kworker/u9:1/2040
[ 210.096651] CPU: 1 PID: 2040 Comm: kworker/u9:1 Tainted: G U O 4.14.47-20180606+ #2
[ 210.096654] Hardware name: , BIOS 2017.01-00087-g43e04de 08/30/2017
[ 210.096693] Workqueue: hci0 hci_rx_work [bluetooth]
[ 210.096698] Call Trace:
[ 210.096711] dump_stack+0x46/0x59
[ 210.096722] print_address_description+0x6b/0x23b
[ 210.096729] ? ex_handler_refcount+0x5b/0x127
[ 210.096736] kasan_report+0x220/0x246
[ 210.096744] ex_handler_refcount+0x5b/0x127
[ 210.096751] ? ex_handler_clear_fs+0x85/0x85
[ 210.096757] fixup_exception+0x8c/0x96
[ 210.096766] do_trap+0x66/0x2c1
[ 210.096773] do_error_trap+0x152/0x180
[ 210.096781] ? fixup_bug+0x78/0x78
[ 210.096817] ? hci_debugfs_create_conn+0x244/0x26a [bluetooth]
[ 210.096824] ? __schedule+0x113b/0x1453
[ 210.096830] ? sysctl_net_exit+0xe/0xe
[ 210.096837] ? __wake_up_common+0x343/0x343
[ 210.096843] ? insert_work+0x107/0x163
[ 210.096850] invalid_op+0x1b/0x40
[ 210.096888] RIP: 0010:hci_debugfs_create_conn+0x244/0x26a [bluetooth]
[ 210.096892] RSP: 0018:ffff880094a0f970 EFLAGS: 00010296
[ 210.096898] RAX: 0000000000000000 RBX: ffff880107e170e8 RCX: ffff880107e17160
[ 210.096902] RDX: 000000000000002f RSI: ffff88013b80ed40 RDI: ffffffffa058b940
[ 210.096906] RBP: ffff88011b2b0578 R08: 00000000852f0ec9 R09: ffffffff81cfcf9b
[ 210.096909] R10: 00000000d21bdad7 R11: 0000000000000001 R12: ffff8800967b0488
[ 210.096913] R13: ffff880107e17168 R14: 0000000000000068 R15: ffff8800949c0008
[ 210.096920] ? __sk_destruct+0x2c6/0x2d4
[ 210.096959] hci_event_packet+0xff5/0x7de2 [bluetooth]
[ 210.096969] ? __local_bh_enable_ip+0x43/0x5b
[ 210.097004] ? l2cap_sock_recv_cb+0x158/0x166 [bluetooth]
[ 210.097039] ? hci_le_meta_evt+0x2bb3/0x2bb3 [bluetooth]
[ 210.097075] ? l2cap_ertm_init+0x94e/0x94e [bluetooth]
[ 210.097093] ? xhci_urb_enqueue+0xbd8/0xcf5 [xhci_hcd]
[ 210.097102] ? __accumulate_pelt_segments+0x24/0x33
[ 210.097109] ? __accumulate_pelt_segments+0x24/0x33
[ 210.097115] ? __update_load_avg_se.isra.2+0x217/0x3a4
[ 210.097122] ? set_next_entity+0x7c3/0x12cd
[ 210.097128] ? pick_next_entity+0x25e/0x26c
[ 210.097135] ? pick_next_task_fair+0x2ca/0xc1a
[ 210.097141] ? switch_mm_irqs_off+0x346/0xb4f
[ 210.097147] ? __switch_to+0x769/0xbc4
[ 210.097153] ? compat_start_thread+0x66/0x66
[ 210.097188] ? hci_conn_check_link_mode+0x1cd/0x1cd [bluetooth]
[ 210.097195] ? finish_task_switch+0x392/0x431
[ 210.097228] ? hci_rx_work+0x154/0x487 [bluetooth]
[ 210.097260] hci_rx_work+0x154/0x487 [bluetooth]
[ 210.097269] process_one_work+0x579/0x9e9
[ 210.097277] worker_thread+0x68f/0x804
[ 210.097285] kthread+0x31c/0x32b
[ 210.097292] ? rescuer_thread+0x70c/0x70c
[ 210.097299] ? kthread_create_on_node+0xa3/0xa3
[ 210.097306] ret_from_fork+0x35/0x40
[ 210.097314] Allocated by task 2040:
[ 210.097323] kasan_kmalloc.part.1+0x51/0xc7
[ 210.097328] __kmalloc+0x17f/0x1b6
[ 210.097335] sk_prot_alloc+0xf2/0x1a3
[ 210.097340] sk_alloc+0x22/0x297
[ 210.097375] sco_sock_alloc.constprop.7+0x23/0x202 [bluetooth]
[ 210.097410] sco_connect_cfm+0x2d0/0x566 [bluetooth]
[ 210.097443] hci_conn_request_evt.isra.53+0x6d3/0x762 [bluetooth]
[ 210.097476] hci_event_packet+0x85e/0x7de2 [bluetooth]
[ 210.097507] hci_rx_work+0x154/0x487 [bluetooth]
[ 210.097512] process_one_work+0x579/0x9e9
[ 210.097517] worker_thread+0x68f/0x804
[ 210.097523] kthread+0x31c/0x32b
[ 210.097529] ret_from_fork+0x35/0x40
[ 210.097533] Freed by task 2040:
[ 210.097539] kasan_slab_free+0xb3/0x15e
[ 210.097544] kfree+0x103/0x1a9
[ 210.097549] __sk_destruct+0x2c6/0x2d4
[ 210.097584] sco_conn_del.isra.1+0xba/0x10e [bluetooth]
[ 210.097617] hci_event_packet+0xff5/0x7de2 [bluetooth]
[ 210.097648] hci_rx_work+0x154/0x487 [bluetooth]
[ 210.097653] process_one_work+0x579/0x9e9
[ 210.097658] worker_thread+0x68f/0x804
[ 210.097663] kthread+0x31c/0x32b
[ 210.097670] ret_from_fork+0x35/0x40
[ 210.097676] The buggy address belongs to the object at ffff880107e170e8
which belongs to the cache kmalloc-1024 of size 1024
[ 210.097681] The buggy address is located 120 bytes inside of
1024-byte region [ffff880107e170e8, ffff880107e174e8)
[ 210.097683] The buggy address belongs to the page:
[ 210.097689] page:ffffea00041f8400 count:1 mapcount:0 mapping: (null) index:0xffff880107e15b68 compound_mapcount: 0
[ 210.110194] flags: 0x8000000000008100(slab|head)
[ 210.115441] raw: 8000000000008100 0000000000000000 ffff880107e15b68 0000000100170016
[ 210.115448] raw: ffffea0004a47620 ffffea0004b48e20 ffff88013b80ed40 0000000000000000
[ 210.115451] page dumped because: kasan: bad access detected
[ 210.115454] Memory state around the buggy address:
[ 210.115460] ffff880107e17000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 210.115465] ffff880107e17080: fc fc fc fc fc fc fc fc fc fc fc fc fc fb fb fb
[ 210.115469] >ffff880107e17100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 210.115472] ^
[ 210.115477] ffff880107e17180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 210.115481] ffff880107e17200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 210.115483] ==================================================================
And finally when BT_DBG() and ftrace was enabled it showed:
<...>-14979 [001] .... 186.104191: sco_sock_kill <-sco_sock_close
<...>-14979 [001] .... 186.104191: sco_sock_kill <-sco_sock_release
<...>-14979 [001] .... 186.104192: sco_sock_kill: sk ef0497a0 state 9
<...>-14979 [001] .... 186.104193: bt_sock_unlink <-sco_sock_kill
kworker/u9:2-792 [001] .... 186.104246: sco_sock_kill <-sco_conn_del
kworker/u9:2-792 [001] .... 186.104248: sco_sock_kill: sk ef0497a0 state 9
kworker/u9:2-792 [001] .... 186.104249: bt_sock_unlink <-sco_sock_kill
kworker/u9:2-792 [001] .... 186.104250: sco_sock_destruct <-__sk_destruct
kworker/u9:2-792 [001] .... 186.104250: sco_sock_destruct: sk ef0497a0
kworker/u9:2-792 [001] .... 186.104860: hci_conn_del <-hci_event_packet
kworker/u9:2-792 [001] .... 186.104864: hci_conn_del: hci0 hcon ef0484c0 handle 266
Only in the failed case, sco_sock_kill() gets called with the same sock
pointer two times. Add a check for SOCK_DEAD to avoid continue killing
a socket which has already been killed.
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This implements extended LE craete connection and enhanced
LE conn complete event if the controller supports.
For now it is as good as legacy LE connection and event as
no new features in the extended connection is handled.
< HCI Command: LE Extended Create Connection (0x08|0x0043) plen 26
Filter policy: White list is not used (0x00)
Own address type: Public (0x00)
Peer address type: Random (0x01)
Peer address: DB:7E:2E:1D:85:E8 (Static)
Initiating PHYs: 0x01
Entry 0: LE 1M
Scan interval: 60.000 msec (0x0060)
Scan window: 60.000 msec (0x0060)
Min connection interval: 50.00 msec (0x0028)
Max connection interval: 70.00 msec (0x0038)
Connection latency: 0 (0x0000)
Supervision timeout: 420 msec (0x002a)
Min connection length: 0.000 msec (0x0000)
Max connection length: 0.000 msec (0x0000)
> HCI Event: Command Status (0x0f) plen 4
LE Extended Create Connection (0x08|0x0043) ncmd 2
Status: Success (0x00)
> HCI Event: LE Meta Event (0x3e) plen 31
LE Enhanced Connection Complete (0x0a)
Status: Success (0x00)
Handle: 3585
Role: Master (0x00)
Peer address type: Random (0x01)
Peer address: DB:7E:2E:1D:85:E8 (Static)
Local resolvable private address: 00:00:00:00:00:00 (Non-Resolvable)
Peer resolvable private address: 00:00:00:00:00:00 (Non-Resolvable)
Connection interval: 67.50 msec (0x0036)
Connection latency: 0 (0x0000)
Supervision timeout: 420 msec (0x002a)
Master clock accuracy: 0x00
@ MGMT Event: Device Connected (0x000b) plen 40
LE Address: DB:7E:2E:1D:85:E8 (Static)
Flags: 0x00000000
Data length: 27
Name (complete): Designer Mouse
Appearance: Mouse (0x03c2)
Flags: 0x05
LE Limited Discoverable Mode
BR/EDR Not Supported
16-bit Service UUIDs (complete): 1 entry
Human Interface Device (0x1812)
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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|
This is done so that the helpers can be used for extended conn
implementation which will be done in subsequent patch.
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch enables Extended ADV report event if extended scanning
is supported in the controller and process the same.
The new features are not handled and for now its as good as
legacy ADV report.
> HCI Event: LE Meta Event (0x3e) plen 53
LE Extended Advertising Report (0x0d)
Num reports: 1
Entry 0
Event type: 0x0013
Props: 0x0013
Connectable
Scannable
Use legacy advertising PDUs
Data status: Complete
Legacy PDU Type: ADV_IND (0x0013)
Address type: Random (0x01)
Address: DB:7E:2E:1A:85:E8 (Static)
Primary PHY: LE 1M
Secondary PHY: LE 1M
SID: 0x00
TX power: 0 dBm
RSSI: -90 dBm (0xa6)
Periodic advertising invteral: 0.00 msec (0x0000)
Direct address type: Public (0x00)
Direct address: 00:00:00:00:00:00 (OUI 00-00-00)
Data length: 0x1b
0f 09 44 65 73 69 67 6e 65 72 20 4d 6f 75 73 65 ..Designer Mouse
03 19 c2 03 02 01 05 03 03 12 18 ...........
Signed-off-by: Jaganath Kanakkassery <jaganathx.kanakkassery@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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