> Would you be able to share the sony.bin file? Sent it in this message. > Did you inject a particular device? If you are asking me, then no, I blindly send fuzzed data with a simple (but quite large and not very meaningful) header. That time it just turned out to be Sony-like descriptor :) Best regards Anatoly пт, 4 янв. 2019 г. в 19:38, Roderick Colenbrander <thunderbird2k@xxxxxxxxx>: > > > > For sony.bin: > > > > > > root@kvm-xfstests:~# cat /vtmp/sony.bin > /dev/uhid > > > [ 16.891931] sony 0003:054C:1000.0001: unknown main item tag 0x0 > > > [ 16.892432] sony 0003:054C:1000.0001: unknown main item tag 0x0 > > > [ 16.892894] sony 0003:054C:1000.0001: unknown main item tag 0x0 > > > [ 16.893362] sony 0003:054C:1000.0001: unknown main item tag 0x0 > > > [ 16.893844] sony 0003:054C:1000.0001: unknown main item tag 0x0 > > > [ 16.895389] sony 0003:054C:1000.0001: unknown main item tag 0x0 > > > [ 16.898165] sony 0003:054C:1000.0001: ignoring exceeding usage max > > > [ 16.901190] sony 0003:054C:1000.0001: unknown main item tag 0x0 > > > [ 16.903797] sony 0003:054C:1000.0001: unknown main item tag 0x0 > > > [ 16.906401] sony 0003:054C:1000.0001: unknown main item tag 0x0 > > > [ 16.908957] sony 0003:054C:1000.0001: unknown main item tag 0x0 > > > [ 16.911449] sony 0003:054C:1000.0001: unknown main item tag 0x0 > > > [ 16.913936] sony 0003:054C:1000.0001: unknown main item tag 0x1 > > > [ 16.916551] sony 0003:054C:1000.0001: unknown main item tag 0x0 > > > [ 16.918454] sony 0003:054C:1000.0001: unknown main item tag 0x0 > > > [ 16.919743] sony 0003:054C:1000.0001: unknown main item tag 0x4 > > > [ 16.920834] sony 0003:054C:1000.0001: unknown main item tag 0xe > > > [ 16.921904] sony 0003:054C:1000.0001: unknown main item tag 0xe > > > [ 16.923006] sony 0003:054C:1000.0001: unknown main item tag 0x0 > > > [ 16.924082] sony 0003:054C:1000.0001: unknown main item tag 0x2 > > > [ 16.925195] sony 0003:054C:1000.0001: unknown main item tag 0x0 > > > [ 16.926289] sony 0003:054C:1000.0001: unknown main item tag 0x0 > > > [ 16.927400] sony 0003:054C:1000.0001: unknown main item tag 0x0 > > > [ 16.928546] BUG: unable to handle kernel NULL pointer dereference > > > at 0000000000000028 > > > [ 16.929951] #PF error: [normal kernel read fault] > > > [ 16.930884] PGD 800000007a52b067 P4D 800000007a52b067 PUD 0 > > > [ 16.931836] Oops: 0000 [#1] SMP PTI > > > [ 16.932437] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted > > > 4.20.0-xfstests-10979-g96d4f267e40 #1 > > > [ 16.933752] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), > > > BIOS 1.11.1-1ubuntu1 04/01/2014 > > > [ 16.935372] Workqueue: events uhid_device_add_worker > > > [ 16.936321] RIP: 0010:hid_validate_values+0x48/0x110 > > > > In a sense, it's good to have a fault there because this was added to > > make sure we do not blindly accept any data. The fact that it doesn't > > fail gracefully is a sign that there is something else. > > Maybe Roderick could have a look? > > > > Cheers, > > Benjamin > > > > Sure I can have a look. Would you be able to share the sony.bin file? > Did you inject a particular device? We do a lot of remapping and > processing in hid-sony at startup. It is probably related to that. > > Thanks, > Roderick
Attachment:
sony.bin
Description: Binary data
