last executing test programs:

8m39.427352379s ago: executing program 1 (id=47):
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./config\x00', 0x1ff)
mount(&(0x7f0000000000)=@filename='none\x00', &(0x7f0000000040)='./config\x00', &(0x7f0000000080)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./config/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/loopback.0\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
symlinkat(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/loopback.0\x00', 0xffffffffffffff9c, &(0x7f0000000200)='./config/usb_gadget/g1/configs/c.1/loopback.0\x00')
r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/usb_gadget/g1/UDC\x00', 0x2, 0x0)
write(r0, &(0x7f0000000280)='dummy_udc.0\n', 0xc)

8m24.974081863s ago: executing program 1 (id=49):
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000300)='i2c-gpio\x00', 0x9)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/platform/drivers/i2c-gpio/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000500)='pcspkr\x00', 0x7)
close(r1)

8m13.473308872s ago: executing program 1 (id=51):
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./config\x00', &(0x7f0000000080)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./config/usb_gadget/g1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/idVendor\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0x17b3\n\x00', 0x7)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/idProduct\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='0x0004\n\x00', 0x7)
close(r1)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/usb_gadget/g1/strings/0x409\x00', 0x1ff)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/usb_gadget/g1/strings/0x409/manufacturer\x00', 0x1, 0x0)
write(r2, &(0x7f0000000280)='ACME\n\x00', 0x5)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/usb_gadget/g1/strings/0x409/product\x00', 0x1, 0x0)
write(r3, &(0x7f0000000300)='ACMESynth\n\x00', 0xa)
close(r3)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000380)='./config/usb_gadget/g1/configs/c.1/strings/0x409\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/usb_gadget/g1/functions/midi2.usb0\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1/functions/midi2.usb0/ep.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./config/usb_gadget/g1/functions/midi2.usb0/ep.1/block.0\x00', 0x1ff)
symlinkat(&(0x7f0000000580)='./config/usb_gadget/g1/functions/midi2.usb0\x00', 0xffffffffffffff9c, &(0x7f00000005c0)='./config/usb_gadget/g1/configs/c.1/midi2.usb0\x00')
r4 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r4, &(0x7f0000000680)='dummy_udc.0\n\x00', 0xc)

7m45.933544464s ago: executing program 1 (id=54):
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000100)=@filename='none\x00', &(0x7f0000000200)='./sys\x00', &(0x7f0000000300)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/devices/usb1/power/control\x00', 0x1, 0x0)
write(r0, &(0x7f0000000500)='on\x00', 0x2)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/usb/devices/usb2/power/control\x00', 0x1, 0x0)
write(r1, &(0x7f0000000700)='on\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000800)='./sys/bus/usb/devices/usb3/power/control\x00', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000a00)='./sys/bus/usb/devices/usb4/power/control\x00', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000e00)='./sys/bus/usb/devices/usb6/power/control\x00', 0x1, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000001000)='./sys/devices/platform/dummy_hcd.0/power/control\x00', 0x1, 0x0)
write(r2, &(0x7f0000001100)='on\x00', 0x2)

7m30.580065506s ago: executing program 1 (id=56):
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./proc\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/sys/kernel/kptr_restrict\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)

7m20.232789025s ago: executing program 1 (id=57):
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1/nodeid\x00', 0x1, 0x0)
write(r0, &(0x7f00000001c0)='1\x00', 0x2)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./config/dlm/cluster/comms/1/local\x00', 0x1, 0x0)
write(r1, &(0x7f0000000240)='1\x00', 0x2)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r2, &(0x7f0000000300)="020000007f00000100"/128, 0x80)
r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000400), 0x2, 0x0)
write(r3, &(0x7f0000000500)="0600000000000000020000000401000000000000000000006c733100"/120, 0x78)
r4 = socket$inet(0x2, 0x1, 0x6)
connect(r4, &(0x7f0000000600)=@in={0x2, 0x5248, @loopback}, 0x10)

6m31.304829942s ago: executing program 32 (id=57):
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1/nodeid\x00', 0x1, 0x0)
write(r0, &(0x7f00000001c0)='1\x00', 0x2)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./config/dlm/cluster/comms/1/local\x00', 0x1, 0x0)
write(r1, &(0x7f0000000240)='1\x00', 0x2)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r2, &(0x7f0000000300)="020000007f00000100"/128, 0x80)
r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000400), 0x2, 0x0)
write(r3, &(0x7f0000000500)="0600000000000000020000000401000000000000000000006c733100"/120, 0x78)
r4 = socket$inet(0x2, 0x1, 0x6)
connect(r4, &(0x7f0000000600)=@in={0x2, 0x5248, @loopback}, 0x10)

1m30.379206945s ago: executing program 0 (id=83):
r0 = syz_usb_connect$rtl8150(0x3, 0x3f, &(0x7f00000003c0)={{0x12, 0x1, 0x110, 0xff, 0xff, 0x0, 0x40, 0xbda, 0x8150, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x2d, 0x1, 0x1, 0x5, 0x80, 0x0, "", {{0x9, 0x4, 0x0, 0x7f, 0x3, 0xff, 0x11, 0x1, 0x5, "", {{0x9, 0x5, 0x81, 0x2, 0x40, 0x6, 0x9, 0x4}, {0x9, 0x5, 0x2, 0x2, 0x20, 0x2, 0x57, 0x6e}, {0x9, 0x5, 0x83, 0x3, 0x240, 0x3, 0x82, 0x8}}}}}}]}}, 0x0)
syz_usb_control_io$rtl8150(r0, &(0x7f0000000580)={0x14, 0x0, &(0x7f0000000480)={0x0, 0x3, 0x3}}, 0x0)
syz_usb_control_io$rtl8150(r0, &(0x7f0000002980)={0x14, 0x0, &(0x7f00000028c0)={0x0, 0x3, 0x3}}, 0x0)
syz_usb_control_io$rtl8150(r0, 0x0, 0x0)
syz_usb_control_io$rtl8150(r0, 0x0, &(0x7f0000004280)={0x2c, 0x0, 0x0, 0x0, 0x0, &(0x7f0000004240)={0x40, 0x5, 0x2, "2bd8"}})
r1 = syz_usb_connect(0x3, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0x61d, 0xc120, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x80, 0xfa, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0xff, 0xff, 0xff, 0x0, [], [{{0x9, 0x5, 0x81, 0x2, 0x200}}, {{0x9, 0x5, 0x1, 0x2, 0x200}}]}}]}}]}}, 0x0)
syz_usb_control_io(r1, 0x0, 0x0)
nanosleep(&(0x7f0000000400)={0x1}, 0x0)
syz_open_dev$char_usb(0xc, 0xb4, 0x0)

1m12.108006851s ago: executing program 0 (id=84):
syz_usb_connect(0x3, 0x48, &(0x7f0000000000)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, "", [{}]}}]}}, 0x0)
clock_nanosleep(0x0, 0x0, &(0x7f0000000100)={0x1}, 0x0)

49.958758203s ago: executing program 0 (id=85):
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./config\x00', &(0x7f0000000080)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./config/usb_gadget/g1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/idVendor\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='0x17b3\n\x00', 0x7)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/idProduct\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='0x0004\n\x00', 0x7)
close(r1)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/usb_gadget/g1/strings/0x409\x00', 0x1ff)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/usb_gadget/g1/strings/0x409/manufacturer\x00', 0x1, 0x0)
write(r2, &(0x7f0000000280)='ACME\n\x00', 0x5)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/usb_gadget/g1/strings/0x409/product\x00', 0x1, 0x0)
write(r3, &(0x7f0000000300)='ACMESynth\n\x00', 0xa)
close(r3)
mkdirat(0xffffffffffffff9c, &(0x7f0000000380)='./config/usb_gadget/g1/configs/c.1/strings/0x409\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/usb_gadget/g1/functions/midi2.usb0\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1/functions/midi2.usb0/ep.1\x00', 0x1ff)

37.631649446s ago: executing program 0 (id=86):
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./dev\x00', &(0x7f0000000140)='devtmpfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000200)='md0\n', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./dev/md0\x00', 0x4002, 0x0)
ioctl(r1, 0x40480923, &(0x7f0000000380)="000000000000000000000000000000000a00000000040000020000000200000000000000")
ioctl(r1, 0x40140921, &(0x7f0000000400)="0000000001000000000000000000000006000000")
ioctl(r1, 0x40140921, &(0x7f0000000420)="0100000001000000010000000100000006000000")
ioctl(r1, 0x400c0930, &(0x7f0000000500)='\x00'/12)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000580)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='3\n\x00', 0x2)
close(r2)
pwrite64(r1, &(0x7f0000001000), 0x1000, 0x0)

19.667945433s ago: executing program 0 (id=87):
mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./config/usb_gadget/g1/functions/midi2.usb0/ep.1/block.0\x00', 0x1ff)

0s ago: executing program 0 (id=88):
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./config\x00', &(0x7f0000000080)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000a0)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f00000000a0)='./dev\x00', &(0x7f00000000f0)='devtmpfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./img\x00', 0x42, 0x1ff)
ftruncate(r0, 0x100000)
close(r0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/nvmet/subsystems/test_subsystem\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./config/nvmet/subsystems/test_subsystem/attr_allow_any_host\x00', 0x1, 0x0)
write(r1, &(0x7f00000001f0)='1\n\x00', 0x2)
close(r1)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nvmet/subsystems/test_subsystem/namespaces/1\x00', 0x1ff)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/test_subsystem/namespaces/1/device_path\x00', 0x1, 0x0)
write(r2, &(0x7f00000002e0)='./img\x00', 0x5)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/nvmet/subsystems/test_subsystem/namespaces/1/resv_enable\x00', 0x1, 0x0)
write(r3, &(0x7f0000000320)='1\n\x00', 0x2)
close(r3)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./config/nvmet/subsystems/test_subsystem/namespaces/1/enable\x00', 0x1, 0x0)
write(r4, &(0x7f0000000360)='1\n\x00', 0x2)
close(r4)
mkdirat(0xffffffffffffff9c, &(0x7f0000000380)='./config/nvmet/ports/1\x00', 0x1ff)
r5 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/ports/1/addr_trtype\x00', 0x1, 0x0)
write(r5, &(0x7f00000003e0)='loop\n\x00', 0x5)
close(r5)
symlinkat(&(0x7f0000000400)='./config/nvmet/subsystems/test_subsystem\x00', 0xffffffffffffff9c, &(0x7f0000000480)='./config/nvmet/ports/1/subsystems/test_subsystem\x00')
r6 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000500), 0x2, 0x0)
close(r6)
nanosleep(&(0x7f0000000900)={0x0, 0x1dcd6500}, 0x0)
r7 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./dev/nvme0n1\x00', 0x2, 0x0)
ioctl$IOC_PR_REGISTER(r7, 0x401870c8, &(0x7f0000000700)={0x1234, 0x5678, 0x1})

kernel console output (not intermixed with test programs):

Warning: Permanently added '[localhost]:25292' (ED25519) to the list of known hosts.
syzkaller login: [  548.146003][ T3216] cgroup: Unknown subsys name 'net'
[  549.381588][ T3216] cgroup: Unknown subsys name 'cpuset'
[  550.107878][ T3216] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[  643.504627][ T3216] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
[  836.758234][ T3223] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[  837.807728][ T3223] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[  837.951693][ T3224] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[  839.172378][ T3224] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[  859.620488][ T3223] hsr_slave_0: entered promiscuous mode
[  859.701339][ T3223] hsr_slave_1: entered promiscuous mode
[  862.995726][ T3224] hsr_slave_0: entered promiscuous mode
[  863.287070][ T3224] hsr_slave_1: entered promiscuous mode
[  863.488333][ T3224] debugfs: 'hsr0' already exists in 'hsr'
[  863.515751][ T3224] Cannot create hsr debugfs directory
[  881.720346][ T3223] netdevsim netdevsim1 netdevsim0: renamed from eth0
[  882.121069][ T3223] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[  882.269764][ T3223] netdevsim netdevsim1 netdevsim1: renamed from eth1
[  882.469058][ T3223] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[  882.638533][ T3223] netdevsim netdevsim1 netdevsim2: renamed from eth2
[  883.041208][ T3223] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[  884.059468][ T3223] netdevsim netdevsim1 netdevsim3: renamed from eth3
[  884.967519][ T3223] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[  888.084072][ T3224] netdevsim netdevsim0 netdevsim0: renamed from eth0
[  888.311491][ T3224] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[  888.405281][ T3224] netdevsim netdevsim0 netdevsim1: renamed from eth1
[  888.811001][ T3224] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[  888.942652][ T3224] netdevsim netdevsim0 netdevsim2: renamed from eth2
[  889.241524][ T3224] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[  889.365943][ T3224] netdevsim netdevsim0 netdevsim3: renamed from eth3
[  889.752422][ T3224] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[  914.169828][ T3224] 8021q: adding VLAN 0 to HW filter on device bond0
[  917.870992][ T3223] 8021q: adding VLAN 0 to HW filter on device bond0
[ 1037.231417][ T3224] veth0_vlan: entered promiscuous mode
[ 1039.160163][ T3224] veth1_vlan: entered promiscuous mode
[ 1043.640875][ T3224] veth0_macvtap: entered promiscuous mode
[ 1045.203824][ T3224] veth1_macvtap: entered promiscuous mode
[ 1050.596488][ T3828] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 1051.313060][   T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 1051.787286][ T3316] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 1051.997956][ T3291] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 1053.802527][ T3223] veth0_vlan: entered promiscuous mode
[ 1056.601181][ T3223] veth1_vlan: entered promiscuous mode
[ 1063.268860][ T3223] veth0_macvtap: entered promiscuous mode
[ 1064.186736][ T3223] veth1_macvtap: entered promiscuous mode
[ 1065.647353][ T3224] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[ 1072.355109][   T13] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 1072.725716][ T3316] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 1072.745123][ T3316] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 1072.776524][ T3316] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 1119.253122][ T3844] usb 2-1: new high-speed USB device number 2 using dummy_hcd
[ 1119.869412][ T3844] usb 2-1: Invalid ep0 maxpacket: 9
[ 1120.567950][ T3844] usb 2-1: new high-speed USB device number 3 using dummy_hcd
[ 1121.037058][ T3844] usb 2-1: Invalid ep0 maxpacket: 9
[ 1121.088389][ T3844] usb usb2-port1: attempt power cycle
[ 1121.915522][ T3844] usb 2-1: new high-speed USB device number 4 using dummy_hcd
[ 1122.105506][ T3844] usb 2-1: Invalid ep0 maxpacket: 9
[ 1123.099773][ T3844] usb 2-1: new high-speed USB device number 5 using dummy_hcd
[ 1123.262951][ T3844] usb 2-1: Invalid ep0 maxpacket: 9
[ 1123.291563][ T3844] usb usb2-port1: unable to enumerate USB device
[ 1130.475679][   T13] bond0: (slave bond_slave_0): interface is now down
[ 1130.551962][   T13] bond0: (slave bond_slave_1): interface is now down
[ 1130.777026][   T13] bond0: now running without any active interface!
[ 1161.751231][ T3845] usb 2-1: new high-speed USB device number 6 using dummy_hcd
[ 1164.455509][ T3845] usb 2-1: New USB device found, idVendor=187f, idProduct=0100, bcdDevice= 1.00
[ 1164.458609][ T3845] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1174.238670][ T3842] usb 2-1: USB disconnect, device number 6
[ 1182.086150][ T3744] usb 2-1: new high-speed USB device number 7 using dummy_hcd
[ 1183.068456][ T3744] usb 2-1: Using ep0 maxpacket: 8
[ 1183.486827][ T3744] usb 2-1: config 0 has an invalid interface number: 143 but max is 0
[ 1183.505295][ T3744] usb 2-1: config 0 has no interface number 0
[ 1183.538525][ T3744] usb 2-1: New USB device found, idVendor=2058, idProduct=1005, bcdDevice=c1.9b
[ 1183.551056][ T3744] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1184.146468][ T3744] usb 2-1: config 0 descriptor??
[ 1184.469036][ T3744] viperboard 2-1:0.143: version 0.00 found at bus 002 address 007
[ 1187.042800][ T3744] viperboard-i2c viperboard-i2c.1.auto: error -EIO: failure setting i2c_bus_freq to 100
[ 1187.064509][ T3744] viperboard-i2c viperboard-i2c.1.auto: probe with driver viperboard-i2c failed with error -5
[ 1191.461340][ T3896] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
[ 1191.641181][ T3896] misc raw-gadget: fail, usb_gadget_register_driver returned -16
[ 1200.132356][ T3842] usb 2-1: USB disconnect, device number 7
[ 1242.876975][ T3842] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[ 1242.899791][    C0] raw-gadget.1 gadget.0: ignoring, device is not running
[ 1243.370685][ T3842] usb 1-1: device descriptor read/64, error -32
[ 1243.789057][ T3842] usb 1-1: new high-speed USB device number 3 using dummy_hcd
[ 1243.966403][ T3779] usb 2-1: new high-speed USB device number 8 using dummy_hcd
[ 1244.228934][ T3842] usb 1-1: Using ep0 maxpacket: 8
[ 1245.066430][ T3842] usb 1-1: config 0 has an invalid interface number: 143 but max is 0
[ 1245.069700][ T3842] usb 1-1: config 0 has no interface number 0
[ 1245.107162][ T3842] usb 1-1: New USB device found, idVendor=2058, idProduct=1005, bcdDevice=c1.9b
[ 1245.119491][ T3842] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1254.649100][ T3779] usb 2-1: unable to read config index 0 descriptor/start: -110
[ 1254.655170][ T3779] usb 2-1: can't read configurations, error -110
[ 1255.346634][ T3845] usb 1-1: USB disconnect, device number 3
[ 1255.496513][ T3779] usb 2-1: new high-speed USB device number 9 using dummy_hcd
[ 1255.860442][ T3779] usb 2-1: device descriptor read/64, error -32
[ 1256.125984][ T3779] usb usb2-port1: attempt power cycle
[ 1256.965728][ T3779] usb 2-1: new high-speed USB device number 10 using dummy_hcd
[ 1257.249170][ T3779] usb 2-1: device not accepting address 10, error -71
[ 1283.622468][ T3967] md: async del_gendisk mode will be removed in future, please upgrade to mdadm-4.5+
[ 1300.096730][ T3845] usb 1-1: new high-speed USB device number 4 using dummy_hcd
[ 1302.347799][ T3845] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 64
[ 1302.352582][ T3845] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x82 has invalid maxpacket 64
[ 1302.387450][ T3845] usb 1-1: New USB device found, idVendor=03f0, idProduct=6c17, bcdDevice= 0.00
[ 1302.391058][ T3845] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1309.811781][  T816] usb 1-1: USB disconnect, device number 4
[ 1310.964995][ T3989] Console: switching to colour dummy device 80x25
[ 1317.496495][ T3779] usb 1-1: new high-speed USB device number 5 using dummy_hcd
[ 1320.252154][ T3779] usb 1-1: New USB device found, idVendor=2040, idProduct=9301, bcdDevice= 0.00
[ 1320.272653][ T3779] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1320.308708][ T3779] usb 1-1: Product: syz
[ 1320.320503][ T3779] usb 1-1: Manufacturer: syz
[ 1320.330276][ T3779] usb 1-1: SerialNumber: syz
[ 1323.840580][ T4001] md: async del_gendisk mode will be removed in future, please upgrade to mdadm-4.5+
[ 1326.558003][ T3845] usb 1-1: USB disconnect, device number 5
[ 1333.399368][ T4006] md/raid10:md0: not clean -- starting background reconstruction
[ 1333.430489][ T4006] md/raid10:md0: active with 2 out of 2 devices
[ 1333.982516][ T4006] md0: detected capacity change from 0 to 2048
[ 1334.726179][ T4014] md: resync of RAID array md0
[ 1338.677198][ T4014] md: md0: resync done.
[ 1368.003056][    T9] usb 1-1: new high-speed USB device number 6 using dummy_hcd
[ 1368.058516][    C0] raw-gadget.0 gadget.0: ignoring, device is not running
[ 1368.330714][    T9] usb 1-1: device descriptor read/64, error -32
[ 1368.851730][    T9] usb 1-1: new high-speed USB device number 7 using dummy_hcd
[ 1369.170011][    T9] usb 1-1: device descriptor read/64, error -71
[ 1369.351683][    T9] usb usb1-port1: attempt power cycle
[ 1370.110650][    T9] usb 1-1: new high-speed USB device number 8 using dummy_hcd
[ 1370.201569][    T9] usb 1-1: device descriptor read/8, error -71
[ 1370.541786][    T9] usb 1-1: new high-speed USB device number 9 using dummy_hcd
[ 1371.079104][    T9] usb 1-1: device descriptor read/8, error -71
[ 1371.228841][    T9] usb usb1-port1: unable to enumerate USB device
[ 1379.909859][ T4033] md: async del_gendisk mode will be removed in future, please upgrade to mdadm-4.5+
[ 1381.689249][ T4033] md: couldn't update array info. -22
[ 1382.490272][ T4035] md: could not open device unknown-block(1,0).
[ 1382.557724][ T4035] md: md_import_device returned -16
[ 1383.547699][ T4033] md: could not open device unknown-block(1,1).
[ 1383.551217][ T4033] md: md_import_device returned -16
[ 1384.151607][ T4033] md: could not open device unknown-block(1,2).
[ 1384.239280][ T4033] md: md_import_device returned -16
[ 1401.537253][    T9] usb 1-1: new high-speed USB device number 10 using dummy_hcd
[ 1402.825430][    T9] usb 1-1: New USB device found, idVendor=2040, idProduct=9301, bcdDevice= 0.00
[ 1402.840735][    T9] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1402.897271][    T9] usb 1-1: Product: syz
[ 1402.906650][    T9] usb 1-1: Manufacturer: syz
[ 1412.556102][ T3745] usb 1-1: USB disconnect, device number 10
[ 1417.259735][ T3894] usb 2-1: new high-speed USB device number 12 using dummy_hcd
[ 1417.786356][ T3894] usb 2-1: Using ep0 maxpacket: 8
[ 1418.575248][ T3894] usb 2-1: config 0 has an invalid interface number: 143 but max is 0
[ 1418.586800][ T3894] usb 2-1: config 0 has no interface number 0
[ 1418.590423][ T3894] usb 2-1: New USB device found, idVendor=2058, idProduct=1005, bcdDevice=c1.9b
[ 1418.595648][ T3894] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1421.499437][ T4060] md: couldn't update array info. -22
[ 1422.327650][ T4059] md: could not open device unknown-block(1,0).
[ 1422.340503][ T4059] md: md_import_device returned -16
[ 1422.599769][ T4059] md: could not open device unknown-block(1,1).
[ 1422.616315][ T4059] md: md_import_device returned -16
[ 1423.199645][ T4059] md: could not open device unknown-block(1,2).
[ 1423.202892][ T4059] md: md_import_device returned -16
[ 1427.052750][ T3894] usb 2-1: USB disconnect, device number 12
[ 1447.700471][ T3868] usb 1-1: new high-speed USB device number 11 using dummy_hcd
[ 1448.846166][ T3868] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18
[ 1449.210729][ T3868] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40
[ 1449.236063][ T3868] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1
[ 1449.262199][ T3868] usb 1-1: SerialNumber: syz
[ 1452.122921][ T4080] md: async del_gendisk mode will be removed in future, please upgrade to mdadm-4.5+
[ 1452.992698][ T4080] md: couldn't update array info. -22
[ 1453.244943][ T4080] md: could not open device unknown-block(1,0).
[ 1453.248816][ T4080] md: md_import_device returned -16
[ 1453.488153][   T56] bond0: (slave bond_slave_0): link status definitely up
[ 1453.600863][   T56] bond0: active interface up!
[ 1453.952883][   T13] bond0: (slave bond_slave_0): interface is now down
[ 1454.151693][   T13] bond0: now running without any active interface!
[ 1454.269320][ T4080] md: could not open device unknown-block(1,1).
[ 1454.358680][ T4080] md: md_import_device returned -16
[ 1455.216408][ T4080] md: could not open device unknown-block(1,2).
[ 1455.278761][ T4080] md: md_import_device returned -16
[ 1460.425876][ T3894] usb 1-1: USB disconnect, device number 11
[ 1477.061160][   T13] nvmet: connect request for invalid subsystem testsubsys!
[ 1477.111837][ T4087] nvme nvme0: Connect Invalid Data Parameter, subsysnqn "testsubsys"
[ 1478.976584][   T56] bond0: (slave bond_slave_1): link status definitely up
[ 1479.491335][   T56] bond0: active interface up!
[ 1479.658561][   T53] bond0: (slave bond_slave_1): interface is now down
[ 1479.734986][   T53] bond0: now running without any active interface!
[ 1485.666565][ T4096] loop0: detected capacity change from 0 to 2048
[ 1487.272463][ T4096] device-mapper: table: 248:0: zero-length target
[ 1487.278465][ T4096] device-mapper: ioctl: error adding target to table
[ 1502.619141][   T31] audit: type=1800 audit(1501.260:2): pid=4109 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz.1.47" name="UDC" dev="configfs" ino=3953 res=0 errno=0
[ 1542.830148][  T816] usb 1-1: new high-speed USB device number 12 using dummy_hcd
[ 1543.740738][  T816] usb 1-1: Dual-Role OTG device on HNP port
[ 1543.777185][  T816] usb 1-1: New USB device found, idVendor=17b3, idProduct=0004, bcdDevice= 7.02
[ 1543.794573][  T816] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1543.801503][  T816] usb 1-1: Product: ACMESynth
[ 1543.815774][  T816] usb 1-1: Manufacturer: ACME
[ 1548.486734][ T4143] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
[ 1548.948271][ T4143] misc raw-gadget: fail, usb_gadget_register_driver returned -16
[ 1565.410919][ T4150] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
[ 1565.567327][ T4150] misc raw-gadget: fail, usb_gadget_register_driver returned -16
[ 1580.690570][ T4157] dlm: Using TCP for communications
[ 1582.229089][ T4157] dlm: ls1: joining the lockspace group...
[ 1617.767699][ T3779] usb 1-1: USB disconnect, device number 12
[ 1641.171354][ T4197] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
[ 1641.375020][ T4197] misc raw-gadget: fail, usb_gadget_register_driver returned -16
[ 1661.871922][ T4128] hid-generic 0001:0001:0001.0001: unknown main item tag 0x0
[ 1661.878637][ T4128] hid-generic 0001:0001:0001.0001: unknown main item tag 0x0
[ 1661.879861][ T4128] hid-generic 0001:0001:0001.0001: unknown main item tag 0x0
[ 1661.880954][ T4128] hid-generic 0001:0001:0001.0001: unknown main item tag 0x0
[ 1661.882018][ T4128] hid-generic 0001:0001:0001.0001: unknown main item tag 0x0
[ 1661.883132][ T4128] hid-generic 0001:0001:0001.0001: unknown main item tag 0x0
[ 1661.885970][ T4128] hid-generic 0001:0001:0001.0001: unknown main item tag 0x0
[ 1661.887076][ T4128] hid-generic 0001:0001:0001.0001: unknown main item tag 0x0
[ 1662.197106][ T4128] input: syz0 as /devices/virtual/misc/uhid/0001:0001:0001.0001/input/input0
[ 1662.882473][ T4128] hid-generic 0001:0001:0001.0001: input,hidraw0: <UNKNOWN> HID v0.01 Keyboard [syz0] on syz0
[ 1715.264788][ T4290] netlink: 20 bytes leftover after parsing attributes in process `syz.0.69'.
[ 1740.941555][ T4200] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 1741.689147][ T4200] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 1768.312344][ T4396] netlink: 20 bytes leftover after parsing attributes in process `syz.0.73'.
[ 1777.334737][ T4413] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
[ 1777.686451][ T4413] misc raw-gadget: fail, usb_gadget_register_driver returned -16
[ 1779.495588][ T4200] hsr_slave_0: entered promiscuous mode
[ 1779.668322][ T4200] hsr_slave_1: entered promiscuous mode
[ 1779.750166][ T4200] debugfs: 'hsr0' already exists in 'hsr'
[ 1779.752211][ T4200] Cannot create hsr debugfs directory
[ 1796.900392][ T4489] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
[ 1797.052456][ T4489] misc raw-gadget: fail, usb_gadget_register_driver returned -16
[ 1803.921819][ T4200] netdevsim netdevsim2 netdevsim0: renamed from eth0
[ 1804.192369][ T4200] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 1804.451059][ T4200] netdevsim netdevsim2 netdevsim1: renamed from eth1
[ 1805.030395][ T4200] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 1805.166828][ T4200] netdevsim netdevsim2 netdevsim2: renamed from eth2
[ 1806.080085][ T4200] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 1806.709046][ T4200] netdevsim netdevsim2 netdevsim3: renamed from eth3
[ 1807.432072][ T4200] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 1844.370268][ T4200] 8021q: adding VLAN 0 to HW filter on device bond0
[ 1907.340226][ T4547] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
[ 1907.711373][ T4547] misc raw-gadget: fail, usb_gadget_register_driver returned -16
[ 1927.472953][ T4558] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
[ 1927.650569][ T4558] misc raw-gadget: fail, usb_gadget_register_driver returned -16
[ 1928.687960][ T4558] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
[ 1928.809016][ T4558] misc raw-gadget: fail, usb_gadget_register_driver returned -16
[ 1950.080478][ T4571] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
[ 1950.751850][ T4571] misc raw-gadget: fail, usb_gadget_register_driver returned -16
[ 1980.936994][ T3828] bond0: (slave bond_slave_0): link status definitely up
[ 1981.769545][ T4200] veth0_vlan: entered promiscuous mode
[ 1983.993131][ T4200] veth1_vlan: entered promiscuous mode
[ 1985.171150][ T4583] md: couldn't update array info. -22
[ 1985.409904][ T4583] md: could not open device unknown-block(1,0).
[ 1985.458224][ T4583] md: md_import_device returned -16
[ 1985.657236][ T4583] md: could not open device unknown-block(1,1).
[ 1985.660020][ T4583] md: md_import_device returned -16
[ 1990.652829][ T4200] veth0_macvtap: entered promiscuous mode
[ 1992.687806][ T4200] veth1_macvtap: entered promiscuous mode
[ 1999.572368][ T3316] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 2000.776518][ T3478] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 2003.056689][ T4560] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 2003.222868][ T4560] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 2021.024602][   T32] INFO: task syz.1.57:4157 blocked for more than 430 seconds.
[ 2021.069837][   T32]       Not tainted syzkaller #0
[ 2021.130722][   T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 2021.162326][   T32] task:syz.1.57        state:D stack:0     pid:4157  tgid:4156  ppid:3223   task_flags:0x400140 flags:0x00000002
[ 2021.239566][   T32] Call Trace:
[ 2021.281080][   T32] [<ffffffff8652c3f0>] __schedule+0x1de4/0x4ff4
[ 2021.316680][   T32] [<ffffffff8652f6ae>] schedule+0xae/0x260
[ 2021.332732][   T32] [<ffffffff80ff6f26>] do_uevent+0x432/0x5d4
[ 2021.348342][   T32] [<ffffffff80ff86d8>] __dlm_new_lockspace+0x157c/0x1f9e
[ 2021.369597][   T32] [<ffffffff80ff9830>] dlm_new_user_lockspace+0x62/0x8c
[ 2021.380041][   T32] [<ffffffff810336f2>] device_write+0x868/0x1a40
[ 2021.407655][   T32] [<ffffffff80ce7d36>] vfs_write+0x308/0x1020
[ 2021.418776][   T32] [<ffffffff80ce8e58>] ksys_write+0x126/0x244
[ 2021.468912][   T32] [<ffffffff80ce8fe4>] __riscv_sys_write+0x6e/0xa0
[ 2021.498412][   T32] [<ffffffff80078f30>] syscall_handler+0x92/0x114
[ 2021.530994][   T32] [<ffffffff8651fb84>] do_trap_ecall_u+0x3e4/0x636
[ 2021.566583][   T32] [<ffffffff8654beb0>] handle_exception+0x168/0x174
[ 2021.640628][   T32] 
[ 2021.640628][   T32] Showing all locks held in the system:
SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor)
[ 2022.079377][   T32] 2 locks held by kworker/1:0/24:
[ 2022.145292][   T32] 1 lock held by khungtaskd/32:
[ 2022.175045][   T32]  #0: ffffffff889f4020 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3e/0x1a0
[ 2022.382500][   T32] 3 locks held by kworker/u8:4/53:
[ 2022.422801][   T32] 2 locks held by syslogd/3030:
[ 2022.476457][   T32] 2 locks held by getty/3176:
[ 2022.500128][   T32]  #0: ffffaf80127310a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46
[ 2022.581155][   T32]  #1: ffff8f800008e2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x3be/0x12fc
[ 2022.716995][   T32] 2 locks held by syz-executor/3216:
[ 2022.734685][   T32] 5 locks held by kworker/u8:3/3316:
[ 2022.769222][   T32] 3 locks held by kworker/u8:8/3828:
[ 2022.830177][   T32] 3 locks held by kworker/1:6/3868:
[ 2022.839956][   T32] 3 locks held by kworker/u8:2/4114:
[ 2022.845047][   T32] 1 lock held by syz.1.57/4157:
[ 2022.859436][   T32]  #0: ffffffff916f0bc0 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xbe/0x1f9e
[ 2022.967024][   T32] 1 lock held by dlm_recoverd/4161:
[ 2022.988176][   T32]  #0: ffffaf80147aca18 (&ls->ls_in_recovery){+.+.}-{4:4}, at: dlm_recoverd+0xc6/0x24a8
[ 2023.001882][   T32] 1 lock held by syz-executor/4200:
[ 2023.086860][   T32] 3 locks held by kworker/u8:7/4560:
[ 2023.107086][   T32] 1 lock held by cmp/4590:
[ 2023.208954][   T32] 
[ 2023.214982][   T32] =============================================
[ 2023.214982][   T32] 
[ 2023.261770][   T32] NMI backtrace for cpu 0
[ 2023.262753][   T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT 
[ 2023.263593][   T32] Hardware name: riscv-virtio,qemu (DT)
[ 2023.263909][   T32] Call Trace:
[ 2023.264115][   T32] [<ffffffff8007c6e4>] dump_backtrace+0x2e/0x3c
[ 2023.264960][   T32] [<ffffffff80003112>] show_stack+0x30/0x3c
[ 2023.265512][   T32] [<ffffffff80060ea4>] dump_stack_lvl+0x114/0x1aa
[ 2023.266325][   T32] [<ffffffff80060f56>] dump_stack+0x1c/0x24
[ 2023.267138][   T32] [<ffffffff864dff34>] nmi_cpu_backtrace+0x25e/0x3ae
[ 2023.267692][   T32] [<ffffffff864e0330>] nmi_trigger_cpumask_backtrace+0x2ac/0x4ee
[ 2023.268259][   T32] [<ffffffff8008a6e6>] arch_trigger_cpumask_backtrace+0x2c/0x3e
[ 2023.268817][   T32] [<ffffffff864f489e>] sys_info+0x20c/0x252
[ 2023.269420][   T32] [<ffffffff8052fe98>] watchdog+0xa26/0x1282
[ 2023.270162][   T32] [<ffffffff801f3914>] kthread+0x312/0x438
[ 2023.270890][   T32] [<ffffffff8006a1ee>] ret_from_fork_kernel+0x94/0xef6
[ 2023.271491][   T32] [<ffffffff8654bfea>] ret_from_fork_kernel_asm+0x16/0x18
[ 2023.286056][   T32] Sending NMI from CPU 0 to CPUs 1:
[ 2023.288414][    C1] NMI backtrace for cpu 1
[ 2023.288963][    C1] CPU: 1 UID: 0 PID: 53 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT 
[ 2023.289540][    C1] Hardware name: riscv-virtio,qemu (DT)
[ 2023.290111][    C1] Workqueue: bond0 bond_arp_monitor
[ 2023.291117][    C1] epc : preempt_schedule_irq+0x6a/0x1c4
[ 2023.291834][    C1]  ra : preempt_schedule_irq+0x66/0x1c4
[ 2023.292597][    C1] epc : ffffffff8652ff62 ra : ffffffff8652ff5e sp : ffff8f80003f7100
[ 2023.292993][    C1]  gp : ffffffff8a4a7c60 tp : ffffaf8016e7d040 t0 : ffffaf8072c403d0
[ 2023.293404][    C1]  t1 : ffffffff8007bc8e t2 : ffffaf8072c407a8 s0 : ffff8f80003f7130
[ 2023.293811][    C1]  s1 : dfffffff00000000 a0 : 0000000000000001 a1 : ffffffff88216318
[ 2023.294245][    C1]  a2 : 0000000000000007 a3 : 0000000000000001 a4 : 0000000000001000
[ 2023.294614][    C1]  a5 : 00000000000faf83 a6 : 0000000000000003 a7 : 0000000041b58ab3
[ 2023.294991][    C1]  s2 : 0000000000000000 s3 : 0000000000000000 s4 : ffffffff86520274
[ 2023.295374][    C1]  s5 : ffffaf8016e7d040 s6 : 1ffff5f002dcfa09 s7 : ffffaf801468e500
[ 2023.295754][    C1]  s8 : 1ffff5f00388d468 s9 : 1ffff1f00007ee9c s10: ffffaf801c46a220
[ 2023.296141][    C1]  s11: 0000000000000000 t3 : ffffffff8809bec8 t4 : fffff5ef0e588070
[ 2023.296521][    C1]  t5 : fffff5ef0e588071 t6 : 0000000000000002 ssp : 0000000000000000
[ 2023.296882][    C1] status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001
[ 2023.297357][    C1] [<ffffffff8652ff62>] preempt_schedule_irq+0x6a/0x1c4
[ 2023.298313][    C1] [<ffffffff8652170a>] irqentry_exit+0x6a0/0x11aa
[ 2023.298904][    C1] [<ffffffff86520274>] do_irq+0x34/0x4a
[ 2023.299452][    C1] [<ffffffff8654be8e>] handle_exception+0x146/0x174
[ 2023.300020][    C1] [<ffffffff801713e2>] __local_bh_enable_ip+0x222/0x586
[ 2023.300545][    C1] [<ffffffff8521b5c4>] __alloc_skb+0x580/0x768
[ 2023.301125][    C1] [<ffffffff85a8bd12>] arp_create+0x1b8/0x8ba
[ 2023.301652][    C1] [<ffffffff832dfe94>] bond_arp_send.constprop.0+0xee/0x324
[ 2023.302291][    C1] [<ffffffff832eeff8>] bond_arp_send_all+0x8d6/0xaf2
[ 2023.302927][    C1] [<ffffffff832fb1ac>] bond_arp_monitor+0x616/0x4c78
[ 2023.303563][    C1] [<ffffffff801d06ee>] process_one_work+0x90a/0x20a0
[ 2023.304318][    C1] [<ffffffff801d3d24>] worker_thread+0x532/0xcaa
[ 2023.305049][    C1] [<ffffffff801f3914>] kthread+0x312/0x438
[ 2023.305716][    C1] [<ffffffff8006a1ee>] ret_from_fork_kernel+0x94/0xef6
[ 2023.306372][    C1] [<ffffffff8654bfea>] ret_from_fork_kernel_asm+0x16/0x18
[ 2023.530013][   T32] Kernel panic - not syncing: hung_task: blocked tasks
[ 2023.532558][   T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT 
[ 2023.534143][   T32] Hardware name: riscv-virtio,qemu (DT)
[ 2023.535072][   T32] Call Trace:
[ 2023.535887][   T32] [<ffffffff8007c6e4>] dump_backtrace+0x2e/0x3c
[ 2023.537490][   T32] [<ffffffff80003112>] show_stack+0x30/0x3c
[ 2023.538830][   T32] [<ffffffff80060ea4>] dump_stack_lvl+0x114/0x1aa
[ 2023.540463][   T32] [<ffffffff80060f56>] dump_stack+0x1c/0x24
[ 2023.542003][   T32] [<ffffffff800039ba>] vpanic+0x32e/0x75a
[ 2023.543563][   T32] [<ffffffff80003e86>] panic+0xa0/0xa2
[ 2023.545465][   T32] [<ffffffff8052fec8>] watchdog+0xa56/0x1282
[ 2023.547508][   T32] [<ffffffff801f3914>] kthread+0x312/0x438
[ 2023.549857][   T32] [<ffffffff8006a1ee>] ret_from_fork_kernel+0x94/0xef6
[ 2023.552541][   T32] [<ffffffff8654bfea>] ret_from_fork_kernel_asm+0x16/0x18
[ 2023.555808][   T32] SMP: stopping secondary CPUs
[ 2023.559788][   T32] Rebooting in 86400 seconds..