Warning: Permanently added '[localhost]:15593' (ED25519) to the list of known hosts.
syzkaller login: [  284.299074][  T903] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[  284.568676][  T903] usb 1-1: Using ep0 maxpacket: 16
[  284.719690][  T903] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
[  284.723001][  T903] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9
[  284.725266][  T903] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00
[  284.733293][  T903] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[  284.822627][  T903] usb 1-1: config 0 descriptor??
[  286.150843][  T903] microsoft 0003:045E:07DA.0001: unknown main item tag 0x0
[  286.153249][  T903] microsoft 0003:045E:07DA.0001: unknown main item tag 0x0
[  286.154747][  T903] microsoft 0003:045E:07DA.0001: unknown main item tag 0x0
[  286.159029][  T903] microsoft 0003:045E:07DA.0001: unknown main item tag 0x0
[  286.183063][  T903] HID 045e:07da: Invalid code 65791 type 1
[  286.208456][  T903] ------------[ cut here ]------------
[  286.209363][  T903] add_uevent_var: buffer size too small
[  286.214765][    C1] WARNING: CPU: 1 PID: 903 at lib/kobject_uevent.c:671 add_uevent_var+0x282/0x296
[  286.215399][    C1] Modules linked in:
[  286.215824][    C1] CPU: 1 PID: 903 Comm: kworker/1:2 Not tainted 6.8.0-rc1-syzkaller-00008-g3951f6add519 #0
[  286.216263][    C1] Hardware name: riscv-virtio,qemu (DT)
[  286.216595][    C1] Workqueue: usb_hub_wq hub_event
[  286.217068][    C1] epc : add_uevent_var+0x282/0x296
[  286.217434][    C1]  ra : add_uevent_var+0x282/0x296
[  286.217722][    C1] epc : ffffffff85832d34 ra : ffffffff85832d34 sp : ff20000001e41b20
[  286.217908][    C1]  gp : ffffffff8863e380 tp : ff60000014659a00 t0 : f51012d0afc81779
[  286.218073][    C1]  t1 : ffebffff0f9a10e2 t2 : ff6000001465a4f8 s0 : ff20000001e41c00
[  286.218237][    C1]  s1 : ff60000012da2000 a0 : 0000000000000001 a1 : 0000000000000000
[  286.218393][    C1]  a2 : 0000000000000002 a3 : ffffffff800b6c76 a4 : 0000000000000000
[  286.218549][    C1]  a5 : 0000000000000000 a6 : 0000000000000003 a7 : ff6000007cd08713
[  286.218744][    C1]  s2 : 0000000000000004 s3 : 1fe40000003c8368 s4 : 1fec0000025b4443
[  286.218920][    C1]  s5 : ff60000012da2218 s6 : 0000000000000006 s7 : 00000000000007fc
[  286.219077][    C1]  s8 : ff60000012da2a1c s9 : 1fec0000025b4543 s10: ffffffff88537800
[  286.219240][    C1]  s11: ffffffff86b9c700 t3 : 0000000000000004 t4 : ffebffff0f9a10e2
[  286.219394][    C1]  t5 : ffebffff0f9a10e3 t6 : ff20000001e416d8
[  286.219524][    C1] status: 0000000200000120 badaddr: 0000000000000000 cause: 0000000000000003
[  286.219823][    C1] [<ffffffff85832d34>] add_uevent_var+0x282/0x296
[  286.220214][    C1] [<ffffffff85834424>] kobject_uevent_env+0xb0c/0x1378
[  286.220541][    C1] [<ffffffff85834cb2>] kobject_uevent+0x22/0x2e
[  286.220816][    C1] [<ffffffff8254325a>] device_add+0x10d2/0x186e
[  286.221215][    C1] [<ffffffff83703a0c>] input_register_device+0x606/0xe9a
[  286.221431][    C1] [<ffffffff83fac148>] hidinput_connect+0x4c72/0x88a4
[  286.221732][    C1] [<ffffffff83f9da78>] hid_connect+0x11e0/0x15e0
[  286.221999][    C1] [<ffffffff83f9df2e>] hid_hw_start+0xb6/0x13c
[  286.222235][    C1] [<ffffffff84025ce8>] ms_probe+0x15e/0x4f0
[  286.222428][    C1] [<ffffffff83f9e5dc>] hid_device_probe+0x2a4/0x3f2
[  286.222666][    C1] [<ffffffff8254d476>] really_probe+0x234/0xbbc
[  286.222896][    C1] [<ffffffff8254dfd2>] __driver_probe_device+0x1d4/0x458
[  286.223157][    C1] [<ffffffff8254e2b6>] driver_probe_device+0x60/0x1ce
[  286.223422][    C1] [<ffffffff8254e608>] __device_attach_driver+0x1e4/0x2fe
[  286.223677][    C1] [<ffffffff82547caa>] bus_for_each_drv+0x142/0x1da
[  286.223903][    C1] [<ffffffff8254f22a>] __device_attach+0x1c4/0x462
[  286.224124][    C1] [<ffffffff8254f850>] device_initial_probe+0x1c/0x26
[  286.224387][    C1] [<ffffffff8254a72c>] bus_probe_device+0x15c/0x192
[  286.224593][    C1] [<ffffffff825432b4>] device_add+0x112c/0x186e
[  286.224893][    C1] [<ffffffff83f973a4>] hid_add_device+0x374/0x9b2
[  286.225165][    C1] [<ffffffff840dcb3a>] usbhid_probe+0xa50/0xf84
[  286.225483][    C1] [<ffffffff830a2008>] usb_probe_interface+0x2d4/0x8a2
[  286.225761][    C1] [<ffffffff8254d476>] really_probe+0x234/0xbbc
[  286.225984][    C1] [<ffffffff8254dfd2>] __driver_probe_device+0x1d4/0x458
[  286.226234][    C1] [<ffffffff8254e2b6>] driver_probe_device+0x60/0x1ce
[  286.226502][    C1] [<ffffffff8254e608>] __device_attach_driver+0x1e4/0x2fe
[  286.226735][    C1] [<ffffffff82547caa>] bus_for_each_drv+0x142/0x1da
[  286.226940][    C1] [<ffffffff8254f22a>] __device_attach+0x1c4/0x462
[  286.227176][    C1] [<ffffffff8254f850>] device_initial_probe+0x1c/0x26
[  286.227500][    C1] [<ffffffff8254a72c>] bus_probe_device+0x15c/0x192
[  286.227713][    C1] [<ffffffff825432b4>] device_add+0x112c/0x186e
[  286.228019][    C1] [<ffffffff8309b9fc>] usb_set_configuration+0xfe0/0x1b10
[  286.228296][    C1] [<ffffffff830c449e>] usb_generic_driver_probe+0xae/0x128
[  286.228585][    C1] [<ffffffff830a0d4e>] usb_probe_device+0xd6/0x340
[  286.228872][    C1] [<ffffffff8254d476>] really_probe+0x234/0xbbc
[  286.229149][    C1] [<ffffffff8254dfd2>] __driver_probe_device+0x1d4/0x458
[  286.229463][    C1] [<ffffffff8254e2b6>] driver_probe_device+0x60/0x1ce
[  286.229703][    C1] [<ffffffff8254e608>] __device_attach_driver+0x1e4/0x2fe
[  286.230008][    C1] [<ffffffff82547caa>] bus_for_each_drv+0x142/0x1da
[  286.230206][    C1] [<ffffffff8254f22a>] __device_attach+0x1c4/0x462
[  286.230425][    C1] [<ffffffff8254f850>] device_initial_probe+0x1c/0x26
[  286.230652][    C1] [<ffffffff8254a72c>] bus_probe_device+0x15c/0x192
[  286.230892][    C1] [<ffffffff825432b4>] device_add+0x112c/0x186e
[  286.231204][    C1] [<ffffffff83077f46>] usb_new_device+0x960/0x1648
[  286.231562][    C1] [<ffffffff8307e390>] hub_event+0x2954/0x4756
[  286.231764][    C1] [<ffffffff80123766>] process_one_work+0x7ce/0x179c
[  286.232081][    C1] [<ffffffff80125210>] worker_thread+0xadc/0x10f8
[  286.232351][    C1] [<ffffffff801446d0>] kthread+0x28c/0x3a6
[  286.232586][    C1] [<ffffffff85928e6a>] ret_from_fork+0xe/0x1c
[  286.233407][    C1] Kernel panic - not syncing: kernel: panic_on_warn set ...
[  286.233731][    C1] CPU: 1 PID: 903 Comm: kworker/1:2 Not tainted 6.8.0-rc1-syzkaller-00008-g3951f6add519 #0
[  286.233974][    C1] Hardware name: riscv-virtio,qemu (DT)
[  286.234077][    C1] Workqueue: usb_hub_wq hub_event
[  286.234333][    C1] Call Trace:
[  286.234411][    C1] [<ffffffff80010868>] dump_backtrace+0x2e/0x3c
[  286.234685][    C1] [<ffffffff858aa2a8>] show_stack+0x34/0x40
[  286.234894][    C1] [<ffffffff859055e4>] dump_stack_lvl+0xe8/0x154
[  286.235191][    C1] [<ffffffff8590566c>] dump_stack+0x1c/0x24
[  286.235486][    C1] [<ffffffff858aacfa>] panic+0x33c/0x77a
[  286.235693][    C1] [<ffffffff800b72a8>] check_panic_on_warn+0xc0/0xe4
[  286.235936][    C1] [<ffffffff800b7854>] __warn+0x28a/0x3f2
[  286.236152][    C1] [<ffffffff85815466>] report_bug+0x40e/0x5c0
[  286.236419][    C1] [<ffffffff8000ff3e>] handle_break+0x17a/0x284
[  286.236668][    C1] [<ffffffff8590764c>] do_trap_break+0x48/0x5c
[  286.237022][    C1] [<ffffffff85928d60>] ret_from_exception+0x0/0x64
[  286.237331][    C1] [<ffffffff85832d34>] add_uevent_var+0x282/0x296
[  286.237577][    C1] [<ffffffff85834424>] kobject_uevent_env+0xb0c/0x1378
[  286.237840][    C1] [<ffffffff85834cb2>] kobject_uevent+0x22/0x2e
[  286.238132][    C1] [<ffffffff8254325a>] device_add+0x10d2/0x186e
[  286.238429][    C1] [<ffffffff83703a0c>] input_register_device+0x606/0xe9a
[  286.238633][    C1] [<ffffffff83fac148>] hidinput_connect+0x4c72/0x88a4
[  286.238886][    C1] [<ffffffff83f9da78>] hid_connect+0x11e0/0x15e0
[  286.239152][    C1] [<ffffffff83f9df2e>] hid_hw_start+0xb6/0x13c
[  286.239372][    C1] [<ffffffff84025ce8>] ms_probe+0x15e/0x4f0
[  286.239554][    C1] [<ffffffff83f9e5dc>] hid_device_probe+0x2a4/0x3f2
[  286.239780][    C1] [<ffffffff8254d476>] really_probe+0x234/0xbbc
[  286.240033][    C1] [<ffffffff8254dfd2>] __driver_probe_device+0x1d4/0x458
[  286.240260][    C1] [<ffffffff8254e2b6>] driver_probe_device+0x60/0x1ce
[  286.240516][    C1] [<ffffffff8254e608>] __device_attach_driver+0x1e4/0x2fe
[  286.240743][    C1] [<ffffffff82547caa>] bus_for_each_drv+0x142/0x1da
[  286.240945][    C1] [<ffffffff8254f22a>] __device_attach+0x1c4/0x462
[  286.241271][    C1] [<ffffffff8254f850>] device_initial_probe+0x1c/0x26
[  286.241503][    C1] [<ffffffff8254a72c>] bus_probe_device+0x15c/0x192
[  286.241707][    C1] [<ffffffff825432b4>] device_add+0x112c/0x186e
[  286.242008][    C1] [<ffffffff83f973a4>] hid_add_device+0x374/0x9b2
[  286.242261][    C1] [<ffffffff840dcb3a>] usbhid_probe+0xa50/0xf84
[  286.242562][    C1] [<ffffffff830a2008>] usb_probe_interface+0x2d4/0x8a2
[  286.242845][    C1] [<ffffffff8254d476>] really_probe+0x234/0xbbc
[  286.243059][    C1] [<ffffffff8254dfd2>] __driver_probe_device+0x1d4/0x458
[  286.243372][    C1] [<ffffffff8254e2b6>] driver_probe_device+0x60/0x1ce
[  286.243593][    C1] [<ffffffff8254e608>] __device_attach_driver+0x1e4/0x2fe
[  286.243822][    C1] [<ffffffff82547caa>] bus_for_each_drv+0x142/0x1da
[  286.244073][    C1] [<ffffffff8254f22a>] __device_attach+0x1c4/0x462
[  286.244292][    C1] [<ffffffff8254f850>] device_initial_probe+0x1c/0x26
[  286.244511][    C1] [<ffffffff8254a72c>] bus_probe_device+0x15c/0x192
[  286.244709][    C1] [<ffffffff825432b4>] device_add+0x112c/0x186e
[  286.245052][    C1] [<ffffffff8309b9fc>] usb_set_configuration+0xfe0/0x1b10
[  286.245314][    C1] [<ffffffff830c449e>] usb_generic_driver_probe+0xae/0x128
[  286.245552][    C1] [<ffffffff830a0d4e>] usb_probe_device+0xd6/0x340
[  286.245818][    C1] [<ffffffff8254d476>] really_probe+0x234/0xbbc
[  286.246028][    C1] [<ffffffff8254dfd2>] __driver_probe_device+0x1d4/0x458
[  286.246252][    C1] [<ffffffff8254e2b6>] driver_probe_device+0x60/0x1ce
[  286.246465][    C1] [<ffffffff8254e608>] __device_attach_driver+0x1e4/0x2fe
[  286.246718][    C1] [<ffffffff82547caa>] bus_for_each_drv+0x142/0x1da
[  286.246923][    C1] [<ffffffff8254f22a>] __device_attach+0x1c4/0x462
[  286.247134][    C1] [<ffffffff8254f850>] device_initial_probe+0x1c/0x26
[  286.247357][    C1] [<ffffffff8254a72c>] bus_probe_device+0x15c/0x192
[  286.247560][    C1] [<ffffffff825432b4>] device_add+0x112c/0x186e
[  286.247943][    C1] [<ffffffff83077f46>] usb_new_device+0x960/0x1648
[  286.248259][    C1] [<ffffffff8307e390>] hub_event+0x2954/0x4756
[  286.248482][    C1] [<ffffffff80123766>] process_one_work+0x7ce/0x179c
[  286.248761][    C1] [<ffffffff80125210>] worker_thread+0xadc/0x10f8
[  286.249111][    C1] [<ffffffff801446d0>] kthread+0x28c/0x3a6
[  286.249361][    C1] [<ffffffff85928e6a>] ret_from_fork+0xe/0x1c
[  286.249968][    C1] SMP: stopping secondary CPUs

VM DIAGNOSIS:
22:33:38  Registers:
info registers vcpu 0

CPU#0
 V      =   0
 pc       ffffffff819397fc
 mhartid  0000000000000000
 mstatus  0000000a000001a0
 hstatus  0000000200000000
 vsstatus 0000000a00000000
 mip      0000000000000022
 mie      000000000000022a
 mideleg  0000000000001666
 hideleg  0000000000000000
 medeleg  0000000000f0b509
 hedeleg  0000000000000000
 mtvec    0000000080000408
 stvec    ffffffff85928c8c
 vstvec   0000000000000000
 mepc     ffffffff8001d05c
 sepc     ffffffff85832d34
 vsepc    0000000000000000
 mcause   0000000000000009
 scause   0000000000000003
 vscause  0000000000000000
 mtval    0000000000000000
 stval    0000000000000000
 htval    0000000000000000
 mtval2   0000000000000000
 mscratch 0000000080036000
 sscratch 0000000000000000
 satp     a012f00000095702
 x0/zero  0000000000000000 x1/ra    ffffffff81939774 x2/sp    ff20000001e412a0 x3/gp    ffffffff8863e380
 x4/tp    ff60000014659a00 x5/t0    756575716b726f57 x6/t1    0000000000000000 x7/t2    65756575716b726f
 x8/s0    ff20000001e412d0 x9/s1    ffffffff85c4d6d0 x10/a0   ff60000014659a20 x11/a1   0000000000000000
 x12/a2   000000000000005b x13/a3   ffffffff81939774 x14/a4   1fec0000028cb344 x15/a5   0000000000000000
 x16/a6   0000000000ff0100 x17/a7   fffffffff3f3f3f3 x18/s2   ff60000014659a00 x19/s3   ff20000000095000
 x20/s4   ffffffff8a4c79c0 x21/s5   ffffffff81939758 x22/s6   0000000000000000 x23/s7   ffffffff8a3116f7
 x24/s8   dfffffff00000000 x25/s9   fffffffef1498f43 x26/s10  0000000000000010 x27/s11  0000000000000010
 x28/t3   ffffffff8021db9e x29/t4   ffe3ffff003c8244 x30/t5   ffe3ffff003c8245 x31/t6   ffffffff8a3116d7
 f0/ft0   0000000000000000 f1/ft1   0000000000000000 f2/ft2   0000000000000000 f3/ft3   0000000000000000
 f4/ft4   0000000000000000 f5/ft5   0000000000000000 f6/ft6   0000000000000000 f7/ft7   0000000000000000
 f8/fs0   0000000000000000 f9/fs1   0000000000000000 f10/fa0  0000000000000000 f11/fa1  0000000000000000
 f12/fa2  0000000000000000 f13/fa3  0000000000000000 f14/fa4  0000000000000000 f15/fa5  0000000000000000
 f16/fa6  0000000000000000 f17/fa7  0000000000000000 f18/fs2  0000000000000000 f19/fs3  0000000000000000
 f20/fs4  0000000000000000 f21/fs5  0000000000000000 f22/fs6  0000000000000000 f23/fs7  0000000000000000
 f24/fs8  0000000000000000 f25/fs9  0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000
 f28/ft8  0000000000000000 f29/ft9  0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000
info registers vcpu 1

CPU#1
 V      =   0
 pc       ffffffff8001693e
 mhartid  0000000000000001
 mstatus  0000000a000001a0
 hstatus  0000000200000000
 vsstatus 0000000a00000000
 mip      0000000000000020
 mie      000000000000022a
 mideleg  0000000000001666
 hideleg  0000000000000000
 medeleg  0000000000f0b509
 hedeleg  0000000000000000
 mtvec    0000000080000408
 stvec    ffffffff85928c8c
 vstvec   0000000000000000
 mepc     ffffffff84adf38e
 sepc     ffffffff84adf38e
 vsepc    0000000000000000
 mcause   8000000000000003
 scause   8000000000000001
 vscause  0000000000000000
 mtval    0000000000000000
 stval    0000000000000000
 htval    0000000000000000
 mtval2   0000000000000000
 mscratch 0000000080034000
 sscratch 0000000000000000
 satp     a012f00000095702
 x0/zero  0000000000000000 x1/ra    ffffffff8001693a x2/sp    ff20000000003e80 x3/gp    ffffffff8863e380
 x4/tp    ff6000000c2a0000 x5/t0    6df0439dfd0b4969 x6/t1    fffffffef10cd2a8 x7/t2    ff6000000c2a0af8
 x8/s0    ff20000000003ea0 x9/s1    ffffffff85e09dc8 x10/a0   0000000000000001 x11/a1   0000000000000004
 x12/a2   0000000000000001 x13/a3   ffffffff8001693a x14/a4   0000000000000000 x15/a5   ff6000000c2a0000
 x16/a6   fffffffef10cd2a9 x17/a7   0000000000000003 x18/s2   ffffffff85c4c000 x19/s3   ffffffff8a4dd840
 x20/s4   ff6000000a892500 x21/s5   0000000000000005 x22/s6   ffffffff85e4bca0 x23/s7   0000000000000000
 x24/s8   ffffffff80016812 x25/s9   ff60000016837ea0 x26/s10  ffffffff8a52a6a0 x27/s11  0000000000000000
 x28/t3   0000000000000004 x29/t4   fffffffef10cd2a8 x30/t5   fffffffef10cd2a9 x31/t6   1fec000001854172
 f0/ft0   0000000000000000 f1/ft1   0000000000000000 f2/ft2   0000000000000000 f3/ft3   0000000000000000
 f4/ft4   0000000000000000 f5/ft5   0000000000000000 f6/ft6   0000000000000000 f7/ft7   0000000000000000
 f8/fs0   0000000000000000 f9/fs1   0000000000000000 f10/fa0  0000000000000000 f11/fa1  0000000000000000
 f12/fa2  0000000000000000 f13/fa3  0000000000000000 f14/fa4  0000000000000000 f15/fa5  0000000000000000
 f16/fa6  0000000000000000 f17/fa7  0000000000000000 f18/fs2  0000000000000000 f19/fs3  0000000000000000
 f20/fs4  0000000000000000 f21/fs5  0000000000000000 f22/fs6  0000000000000000 f23/fs7  0000000000000000
 f24/fs8  0000000000000000 f25/fs9  0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000
 f28/ft8  0000000000000000 f29/ft9  0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000