last executing test programs: 3m3.416502743s ago: executing program 1 (id=112): r0 = getpid() r1 = syz_clone(0x0, 0x0, 0x16, 0x0, 0x0, 0x0) kcmp(r0, r1, 0x3, 0xffffffffffffffff, 0xffffffffffffffff) 2m59.351682446s ago: executing program 1 (id=114): r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000000)=0x15) ioctl$TCFLSH(r0, 0x40204706, 0x20000000) 2m53.41764199s ago: executing program 1 (id=117): r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000140)={0x17, 0x3, &(0x7f0000000200)=@framed, &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @cgroup_sysctl=0x12, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0xa0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./cgroup\x00', 0x0, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f00000002c0)={@cgroup=r1, r0, 0x12, 0x0, 0x0, @void, @value=0x0}, 0x20) 2m45.795161191s ago: executing program 1 (id=120): r0 = syz_io_uring_setup(0xe7f, &(0x7f0000000780)={0x0, 0x0, 0x10100}, &(0x7f0000000100)=0x0, &(0x7f0000000040)=0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000180)=@IORING_OP_LINKAT={0x27, 0x0, 0x0, 0xffffffffffffff9c, 0x0, &(0x7f0000020240)='./file0\x00'}) io_uring_enter(r0, 0x567, 0x0, 0x0, 0x0, 0x0) 2m32.444276598s ago: executing program 1 (id=123): r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000440)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 2m11.246584758s ago: executing program 1 (id=127): r0 = socket$igmp6(0xa, 0x3, 0x2) setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, &(0x7f0000000b00)=@raw={'raw\x00', 0x8, 0x3, 0x428, 0x0, 0xffffffff, 0xffffffff, 0xd0, 0xffffffff, 0x358, 0xffffffff, 0xffffffff, 0x358, 0xffffffff, 0x3, 0x0, {[{{@ipv6={@private0, @mcast2, [], [], 'veth0_macvtap\x00', 'dvmrp1\x00'}, 0x0, 0xa8, 0xd0}, @common=@unspec=@NFQUEUE0={0x28}}, {{@ipv6={@remote, @ipv4={'\x00', '\xff\xff', @dev}, [], [], 'wg1\x00', 'gre0\x00'}, 0x0, 0x258, 0x288, 0x0, {}, [@common=@inet=@hashlimit1={{0x58}, {'pim6reg\x00', {0x0, 0x0, 0x5, 0x0, 0x0, 0x7, 0x3ff}}}, @common=@inet=@hashlimit3={{0x158}, {'wg1\x00', {0x3, 0x0, 0x41, 0x0, 0x0, 0x1000, 0x6, 0x3}}}]}, @common=@unspec=@CONNMARK={0x30}}], {{'\x00', 0x0, 0xa8, 0xd0}, {0x28, '\x00', 0x7}}}}, 0x488) syz_emit_ethernet(0x5e, &(0x7f0000000080)={@broadcast, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, ' \x00', 0x28, 0x3a, 0xff, @private2, @mcast2, {[], @ndisc_redir={0x89, 0x0, 0x0, '\x00', @private0, @ipv4={'\x00', '\xff\xff', @loopback}}}}}}}, 0x0) 34.329391394s ago: executing program 0 (id=139): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmsg$TEAM_CMD_OPTIONS_SET(0xffffffffffffffff, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f00000001c0)={0x58, 0x0, 0x0, 0x0, 0x0, {}, [{{0x8}, {0x3c, 0x2, 0x0, 0x1, [{0x38, 0x1, @notify_peers_count={{0x24}, {0x5}, {0x8}}}]}}]}, 0x58}}, 0x0) getsockopt$inet6_tcp_TCP_ZEROCOPY_RECEIVE(r0, 0x6, 0x23, &(0x7f00000001c0)={&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f0000000200)=0x40) 30.981326673s ago: executing program 0 (id=140): r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000380)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@MPTCP_PM_ATTR_SUBFLOWS={0x8}]}, 0x1c}}, 0x0) 26.278287566s ago: executing program 0 (id=141): r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000100)=ANY=[@ANYBLOB="31010000dccd5e08cb060700000800000001090224000100007e000904340102d469e7000905", @ANYRES32], 0x0) syz_usb_control_io$uac1(r0, 0x0, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x6000) 8.869292775s ago: executing program 0 (id=142): r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x40046207, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000003c0)={0x14, 0x0, &(0x7f0000000440)=[@acquire_done={0x40106309, 0x0, 0x2}], 0x0, 0x0, 0x0}) 5.131205947s ago: executing program 0 (id=143): close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$UI_BEGIN_FF_UPLOAD(r0, 0xc06855c8, &(0x7f0000000100)={0x10, 0x0, {0x0, 0x0, 0x0, {}, {}, @cond}, {0x0, 0x0, 0x0, {}, {}, @cond}}) 0s ago: executing program 0 (id=144): r0 = socket$inet6_udplite(0xa, 0x2, 0x88) setsockopt$inet6_udp_int(r0, 0x11, 0x1, &(0x7f0000000040)=0x7fff, 0x4) sendmmsg$inet6(r0, &(0x7f0000003b00)=[{{&(0x7f00000000c0)={0xa, 0x4e23, 0x0, @remote}, 0x1c, 0x0}}, {{&(0x7f0000002140)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c, 0x0}}], 0x2, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:3788' (ED25519) to the list of known hosts. syzkaller login: [ 351.275631][ T3174] cgroup: Unknown subsys name 'net' [ 351.696668][ T3174] cgroup: Unknown subsys name 'cpuset' [ 351.813713][ T3174] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 406.135940][ T3174] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 472.478825][ T3182] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 472.650427][ T3182] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 474.650908][ T3181] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 474.763533][ T3181] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 485.851852][ T3182] hsr_slave_0: entered promiscuous mode [ 485.893417][ T3182] hsr_slave_1: entered promiscuous mode [ 488.549334][ T3181] hsr_slave_0: entered promiscuous mode [ 488.690946][ T3181] hsr_slave_1: entered promiscuous mode [ 488.707266][ T3181] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 488.710490][ T3181] Cannot create hsr debugfs directory [ 494.403275][ T3182] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 494.738744][ T3182] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 494.913072][ T3182] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 495.140820][ T3182] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 496.359031][ T3181] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 496.584002][ T3181] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 496.823521][ T3181] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 497.019871][ T3181] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 512.463702][ T3182] 8021q: adding VLAN 0 to HW filter on device bond0 [ 513.420056][ T3181] 8021q: adding VLAN 0 to HW filter on device bond0 [ 555.919804][ T3181] veth0_vlan: entered promiscuous mode [ 556.239748][ T3181] veth1_vlan: entered promiscuous mode [ 557.433490][ T3182] veth0_vlan: entered promiscuous mode [ 558.159126][ T3182] veth1_vlan: entered promiscuous mode [ 558.309216][ T3181] veth0_macvtap: entered promiscuous mode [ 558.752589][ T3181] veth1_macvtap: entered promiscuous mode [ 560.368274][ T3182] veth0_macvtap: entered promiscuous mode [ 560.586803][ T3181] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 560.590851][ T3181] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 560.608432][ T3181] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 560.610842][ T3181] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 560.998563][ T3182] veth1_macvtap: entered promiscuous mode [ 564.228261][ T3182] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 564.230005][ T3182] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 564.231376][ T3182] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 564.232613][ T3182] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 564.557300][ T3181] 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. [ 578.092433][ T3877] capability: warning: `syz.0.4' uses 32-bit capabilities (legacy support in use) [ 591.535741][ T3898] netlink: 40 bytes leftover after parsing attributes in process `syz.1.14'. [ 594.082118][ T3810] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 594.425873][ T3810] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 594.428793][ T3810] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 594.431289][ T3810] usb 2-1: New USB device found, idVendor=046d, idProduct=c294, bcdDevice= 0.00 [ 594.432695][ T3810] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 594.697802][ T3810] usb 2-1: config 0 descriptor?? [ 596.669603][ T3810] logitech 0003:046D:C294.0001: unknown main item tag 0x0 [ 596.672628][ T3810] logitech 0003:046D:C294.0001: unknown main item tag 0x0 [ 596.679086][ T3810] logitech 0003:046D:C294.0001: unknown main item tag 0x0 [ 596.780499][ T3810] logitech 0003:046D:C294.0001: hidraw0: USB HID v0.00 Device [HID 046d:c294] on usb-dummy_hcd.1-1/input0 [ 596.784109][ T3810] logitech 0003:046D:C294.0001: no inputs found [ 596.992009][ T3810] usb 2-1: USB disconnect, device number 2 [ 639.037734][ T3966] netlink: 12 bytes leftover after parsing attributes in process `syz.0.34'. [ 640.061686][ T3968] Driver unsupported XDP return value 0 on prog (id 2) dev N/A, expect packet loss! [ 677.124176][ T4015] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 680.093242][ T4017] Zero length message leads to an empty skb [ 697.299529][ T4039] netlink: 4 bytes leftover after parsing attributes in process `syz.0.67'. [ 720.223624][ T4087] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 724.937728][ T25] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 725.171605][ T25] usb 2-1: Using ep0 maxpacket: 8 [ 725.820062][ T25] usb 2-1: config 0 has 1 interface, different from the descriptor's value: 15 [ 725.823013][ T25] usb 2-1: config 0 interface 0 altsetting 0 has an endpoint descriptor with address 0xFF, changing to 0x8F [ 725.865413][ T25] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x8F has an invalid bInterval 0, changing to 7 [ 725.868275][ T25] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x8F has invalid maxpacket 59391, setting to 1024 [ 726.058607][ T25] usb 2-1: New USB device found, idVendor=077d, idProduct=04aa, bcdDevice=5b.d8 [ 726.061030][ T25] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 726.062991][ T25] usb 2-1: Product: syz [ 726.086397][ T25] usb 2-1: Manufacturer: syz [ 726.088414][ T25] usb 2-1: SerialNumber: syz [ 726.266810][ T25] usb 2-1: config 0 descriptor?? [ 726.335111][ T4094] raw-gadget.0 gadget.1: fail, usb_ep_enable returned -22 [ 727.549918][ T25] powermate: Expected payload of 3--6 bytes, found 1024 bytes! [ 727.767904][ T25] input: Griffin SoundKnob as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.0/input/input0 [ 729.511575][ C1] powermate: config urb returned -71 [ 729.516605][ C1] powermate: config urb returned -71 [ 729.522673][ C1] powermate: config urb returned -71 [ 729.582612][ T9] usb 2-1: USB disconnect, device number 3 [ 729.585717][ C1] powermate 2-1:0.0: powermate_irq - usb_submit_urb failed with result: -19 [ 748.932443][ T35] audit: type=1326 audit(747.980:2): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=4136 comm="syz.0.95" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xda7b6 code=0x0 [ 761.834090][ T3810] usb 2-1: new high-speed USB device number 4 using dummy_hcd [ 762.039960][ T3810] usb 2-1: Using ep0 maxpacket: 32 [ 762.143076][ T3810] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 762.156573][ T3810] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 762.158981][ T3810] usb 2-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 2 [ 762.162192][ T3810] usb 2-1: New USB device found, idVendor=046d, idProduct=c086, bcdDevice= 0.00 [ 762.164151][ T3810] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 762.324135][ T3810] usb 2-1: config 0 descriptor?? [ 763.731084][ T3810] logitech-hidpp-device 0003:046D:C086.0002: item fetching failed at offset 0/2 [ 763.740613][ T3810] logitech-hidpp-device 0003:046D:C086.0002: hidpp_probe:parse failed [ 763.742531][ T3810] logitech-hidpp-device 0003:046D:C086.0002: probe with driver logitech-hidpp-device failed with error -22 [ 764.517693][ T931] usb 2-1: USB disconnect, device number 4 [ 774.110252][ T4172] netlink: 8 bytes leftover after parsing attributes in process `syz.1.104'. [ 945.767442][ T9] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 946.048393][ T9] usb 1-1: Using ep0 maxpacket: 8 [ 946.189676][ T9] usb 1-1: config 0 has an invalid interface number: 52 but max is 0 [ 946.193083][ T9] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 946.233208][ T9] usb 1-1: config 0 has no interface number 0 [ 946.245476][ T9] usb 1-1: config 0 interface 52 altsetting 1 has an endpoint descriptor with address 0xFF, changing to 0x8F [ 946.247942][ T9] usb 1-1: config 0 interface 52 altsetting 1 endpoint 0x8F has an invalid bInterval 0, changing to 7 [ 946.280879][ T9] usb 1-1: config 0 interface 52 altsetting 1 endpoint 0x8F has invalid maxpacket 59391, setting to 1024 [ 946.283244][ T9] usb 1-1: config 0 interface 52 altsetting 1 has 1 endpoint descriptor, different from the interface descriptor's value: 2 [ 946.326436][ T9] usb 1-1: config 0 interface 52 has no altsetting 0 [ 946.344310][ T9] usb 1-1: New USB device found, idVendor=06cb, idProduct=0007, bcdDevice= 8.00 [ 946.358773][ T9] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 946.532724][ T9] usb 1-1: config 0 descriptor?? [ 948.260566][ T9] input: USB Synaptics Device 06cb:0007 (Stick) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.52/input/input1 [ 950.329708][ T931] usb 1-1: USB disconnect, device number 2 [ 959.628450][ T4238] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 960.346622][ T4238] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 988.159911][ T4238] hsr_slave_0: entered promiscuous mode [ 988.715220][ T4238] hsr_slave_1: entered promiscuous mode [ 988.851436][ T4238] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 988.871328][ T4238] Cannot create hsr debugfs directory [ 1008.671680][ T4238] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1508.887048][ T4623] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1509.020295][ T4623] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1525.611430][ T4623] hsr_slave_0: entered promiscuous mode [ 1525.744209][ T4623] hsr_slave_1: entered promiscuous mode [ 1526.141090][ T4623] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1526.144017][ T4623] Cannot create hsr debugfs directory [ 1763.987748][ T36] INFO: task syz-executor:4238 blocked for more than 430 seconds. [ 1764.031978][ T36] Not tainted 6.12.0-rc1-syzkaller-00002-gcfb10de18538 #0 [ 1764.068221][ T36] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1764.070849][ T36] task:syz-executor state:D stack:0 pid:4238 tgid:4238 ppid:1 flags:0x00000006 [ 1764.119844][ T36] Call Trace: [ 1764.122163][ T36] [] __schedule+0xd5a/0x3886 [ 1764.160785][ T36] [] schedule+0xc4/0x324 [ 1764.162941][ T36] [] schedule_timeout+0x1e2/0x296 [ 1764.165131][ T36] [] __wait_for_common+0x1ca/0x4b6 [ 1764.200281][ T36] [] wait_for_completion+0x1a/0x22 [ 1764.202508][ T36] [] rcu_barrier+0x2dc/0x6cc [ 1764.238859][ T36] [] netdev_run_todo+0x294/0x105e [ 1764.241259][ T36] [] rtnl_unlock+0x14/0x1c [ 1764.243397][ T36] [] nsim_destroy+0x178/0x5fe [ 1764.297474][ T36] [] __nsim_dev_port_del+0x168/0x236 [ 1764.300924][ T36] [] nsim_dev_reload_destroy+0x11c/0x452 [ 1764.303131][ T36] [] nsim_drv_remove+0x54/0x1b6 [ 1764.338618][ T36] [] nsim_bus_remove+0x1a/0x24 [ 1764.341018][ T36] [] device_remove+0xba/0x15c [ 1764.342322][ T36] [] device_release_driver_internal+0x3f0/0x572 [ 1764.343440][ T36] [] device_release_driver+0x1e/0x28 [ 1764.366750][ T36] [] bus_remove_device+0x1f4/0x3d2 [ 1764.368399][ T36] [] device_del+0x324/0x898 [ 1764.369790][ T36] [] device_unregister+0x28/0xe0 [ 1764.371074][ T36] [] del_device_store+0x338/0x48c [ 1764.372401][ T36] [] bus_attr_store+0x6a/0x9e [ 1764.373683][ T36] [] sysfs_kf_write+0xe0/0x140 [ 1764.426354][ T36] [] kernfs_fop_write_iter+0x2cc/0x460 [ 1764.428091][ T36] [] vfs_write+0x4d4/0x9b4 [ 1764.429608][ T36] [] ksys_write+0x128/0x266 [ 1764.431076][ T36] [] __riscv_sys_write+0x6e/0x94 [ 1764.432551][ T36] [] syscall_handler+0x94/0x118 [ 1764.434019][ T36] [] do_trap_ecall_u+0x1aa/0x216 [ 1764.477557][ T36] [] _new_vmalloc_restore_context_a0+0xc2/0xce [ 1764.480189][ T36] [ 1764.480189][ T36] Showing all locks held in the system: [ 1764.482319][ T36] 4 locks held by kworker/u8:1/12: [ 1764.483969][ T36] #0: ff60000011e81948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x848/0x1dae [ 1764.521038][ T36] #1: ff200000000d7c90 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x870/0x1dae [ 1764.575657][ T36] #2: ffffffff89397670 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xda/0x984 [ 1764.579093][ T36] #3: ff600000189040e8 (&dev->mutex){....}-{3:3}, at: devlink_pernet_pre_exit+0x138/0x29a [ 1764.582084][ T36] 1 lock held by khungtaskd/36: [ 1764.582940][ T36] #0: ffffffff87fcc100 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x68/0x2d6 [ 1764.606779][ T36] 2 locks held by getty/3147: [ 1764.607792][ T36] #0: ff6000001c9060a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 [ 1764.611627][ T36] #1: ff2000000008b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xd7c/0x129a [ 1764.687913][ T36] 2 locks held by sshd/3172: [ 1764.689755][ T36] 1 lock held by syz-executor/3174: [ 1764.691352][ T36] 2 locks held by kworker/1:1/3176: [ 1764.692877][ T36] 2 locks held by kworker/1:3/3177: [ 1764.726483][ T36] 2 locks held by kworker/1:4/3867: [ 1764.728447][ T36] 7 locks held by syz-executor/4238: [ 1764.729915][ T36] #0: ff6000001d38c420 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x728/0x9b4 [ 1764.769364][ T36] #1: ff6000002e609888 (&of->mutex#2){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x23a/0x460 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 1764.821682][ T36] #2: ff6000001aec9e18 (kn->active#4){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x258/0x460 [ 1764.839357][ T36] #3: ffffffff88c129e8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xf0/0x48c [ 1764.843812][ T36] #4: ff600000189040e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x9c/0x572 [ 1764.888024][ T36] #5: ff60000018900250 (&devlink->lock_key#2){+.+.}-{3:3}, at: devl_lock+0x22/0x2c [ 1764.891106][ T36] #6: ffffffff87fdc6c0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x56/0x6cc [ 1764.893947][ T36] 2 locks held by kworker/1:5/4426: [ 1764.916611][ T36] 3 locks held by kworker/1:7/4554: [ 1764.918075][ T36] 2 locks held by kworker/1:8/4614: [ 1764.919153][ T36] 4 locks held by syz-executor/4623: [ 1764.920442][ T36] #0: ff6000001d38c420 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x728/0x9b4 [ 1764.958237][ T36] #1: ff6000003a876088 (&of->mutex#2){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x23a/0x460 [ 1764.961813][ T36] #2: ff6000001aec9e18 (kn->active#4){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x258/0x460 [ 1765.018635][ T36] #3: ffffffff88c129e8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xf0/0x48c [ 1765.023773][ T36] [ 1765.071915][ T36] ============================================= [ 1765.071915][ T36] [ 1765.076925][ T36] NMI backtrace for cpu 0 [ 1765.078599][ T36] CPU: 0 UID: 0 PID: 36 Comm: khungtaskd Not tainted 6.12.0-rc1-syzkaller-00002-gcfb10de18538 #0 [ 1765.080394][ T36] Hardware name: riscv-virtio,qemu (DT) [ 1765.081618][ T36] Call Trace: [ 1765.082605][ T36] [] dump_backtrace+0x2e/0x3c [ 1765.084179][ T36] [] show_stack+0x34/0x40 [ 1765.085710][ T36] [] dump_stack_lvl+0x122/0x196 [ 1765.087292][ T36] [] dump_stack+0x1c/0x24 [ 1765.088846][ T36] [] nmi_cpu_backtrace+0x39c/0x39e [ 1765.090443][ T36] [] nmi_trigger_cpumask_backtrace+0x2b6/0x456 [ 1765.092246][ T36] [] arch_trigger_cpumask_backtrace+0x2c/0x3c [ 1765.093996][ T36] [] watchdog+0xcfa/0x1178 [ 1765.095470][ T36] [] kthread+0x28c/0x3a6 [ 1765.096950][ T36] [] ret_from_fork+0xe/0x18 [ 1765.102236][ T36] Sending NMI from CPU 0 to CPUs 1: [ 1765.106622][ C1] NMI backtrace for cpu 1 [ 1765.108629][ C1] CPU: 1 UID: 0 PID: 3176 Comm: kworker/1:1 Not tainted 6.12.0-rc1-syzkaller-00002-gcfb10de18538 #0 [ 1765.110473][ C1] Hardware name: riscv-virtio,qemu (DT) [ 1765.112027][ C1] Workqueue: events_power_efficient wg_ratelimiter_gc_entries [ 1765.114060][ C1] epc : __local_bh_enable_ip+0x392/0x5ee [ 1765.115575][ C1] ra : __local_bh_enable_ip+0x38e/0x5ee [ 1765.117130][ C1] epc : ffffffff800e2674 ra : ffffffff800e2670 sp : ff200000000173c0 [ 1765.118721][ C1] gp : ffffffff897bea80 tp : ff60000017f93480 t0 : ff60000017f93fa0 [ 1765.120225][ C1] t1 : 0000000000000000 t2 : 0000000000000006 s0 : ff20000000017410 [ 1765.121784][ C1] s1 : 0000000000000102 a0 : 0000000000000001 a1 : ffffffff8643e620 [ 1765.123451][ C1] a2 : 0000000000000003 a3 : 0000000000000101 a4 : 0000000000000001 [ 1765.125707][ C1] a5 : 00000000000cc610 a6 : ff60000017f93fe8 a7 : 1fec000002ff27fd [ 1765.127235][ C1] s2 : ff60000017f93480 s3 : ffffffff855d3cf6 s4 : 0000000000000001 [ 1765.128816][ C1] s5 : ffffffff90b60b00 s6 : 1fec000002ff2691 s7 : ffffffff897f7f20 [ 1765.130436][ C1] s8 : ff20000000017640 s9 : dfffffff00000000 s10: ff6000002e878100 [ 1765.132014][ C1] s11: ff200000000175e0 t3 : 1fec0000029f6f02 t4 : ffffffff87217028 [ 1765.133583][ C1] t5 : ff6000001792e138 t6 : 1fec000002ff2807 [ 1765.135725][ C1] status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001 [ 1765.137484][ C1] [] __local_bh_enable_ip+0x392/0x5ee [ 1765.139298][ C1] [] ipt_do_table+0xe9a/0x1d54 [ 1765.141137][ C1] [] nf_hook_slow+0xb8/0x1ec [ 1765.142876][ C1] [] ip_local_deliver+0x2ea/0x568 [ 1765.144698][ C1] [] ip_rcv_finish+0x1b0/0x2d2 [ 1765.146405][ C1] [] ip_rcv+0xd6/0x44e [ 1765.148054][ C1] [] __netif_receive_skb_one_core+0x106/0x16e [ 1765.149841][ C1] [] __netif_receive_skb+0x2c/0x144 [ 1765.151522][ C1] [] process_backlog+0x4fc/0x1cbc [ 1765.153161][ C1] [] __napi_poll.constprop.0+0xaa/0x4b8 [ 1765.155460][ C1] [] net_rx_action+0xa12/0xf10 [ 1765.157071][ C1] [] handle_softirqs+0x4a6/0x10de [ 1765.158556][ C1] [] __irq_exit_rcu+0x188/0x372 [ 1765.159984][ C1] [] irq_exit_rcu+0x10/0xf8 [ 1765.161363][ C1] [] handle_riscv_irq+0x40/0x4c [ 1765.162996][ C1] [] call_on_irq_stack+0x32/0x40 [ 1765.693561][ T36] Kernel panic - not syncing: hung_task: blocked tasks [ 1765.696499][ T36] CPU: 0 UID: 0 PID: 36 Comm: khungtaskd Not tainted 6.12.0-rc1-syzkaller-00002-gcfb10de18538 #0 [ 1765.698300][ T36] Hardware name: riscv-virtio,qemu (DT) [ 1765.699383][ T36] Call Trace: [ 1765.700327][ T36] [] dump_backtrace+0x2e/0x3c [ 1765.701958][ T36] [] show_stack+0x34/0x40 [ 1765.703322][ T36] [] dump_stack_lvl+0x108/0x196 [ 1765.705002][ T36] [] dump_stack+0x1c/0x24 [ 1765.707472][ T36] [] panic+0x388/0x86c [ 1765.708810][ T36] [] watchdog+0x78a/0x1178 [ 1765.710153][ T36] [] kthread+0x28c/0x3a6 [ 1765.711556][ T36] [] ret_from_fork+0xe/0x18 [ 1765.713671][ T36] SMP: stopping secondary CPUs [ 1765.718422][ T36] Rebooting in 86400 seconds.. VM DIAGNOSIS: 13:07:38 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff80430a3e mhartid 0000000000000000 mstatus 0000000a000001a2 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 0000000080000428 stvec ffffffff85ffc970 vstvec 0000000000000000 mepc ffffffff8001fb06 sepc ffffffff8025d4a8 vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000009 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080029000 sscratch 0000000000000000 satp a01230000009c150 x0/zero 0000000000000000 x1/ra ffffffff853b661a x2/sp ff20000000006910 x3/gp ffffffff897bea80 x4/tp ff60000014ec0000 x5/t0 ff60000014ec0b20 x6/t1 ffebffff03a12358 x7/t2 000000000000003c x8/s0 ff20000000006b90 x9/s1 0000000000000024 x10/a0 0000000000000001 x11/a1 0000000000000000 x12/a2 0000000000f00000 x13/a3 ffffffff853d1cbe x14/a4 1fec000003a1246b x15/a5 ff60000014ec0000 x16/a6 0000000000f00000 x17/a7 ff6000001d091ac3 x18/s2 1fec000003a12450 x19/s3 0000000000000000 x20/s4 0000000002ad198a x21/s5 ff6000001d092388 x22/s6 ff6000001d09236f x23/s7 1fec0000037a4c7d x24/s8 1fec000003a12466 x25/s9 0000000000000007 x26/s10 ff6000001d091980 x27/s11 1fec0000037a4c86 x28/t3 1fec0000029d8163 x29/t4 ffebffff03a12358 x30/t5 ffebffff03a12359 x31/t6 1fec0000029d817c 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 ffffffff8023eea4 mhartid 0000000000000001 mstatus 0000000a000000a2 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 0000000080000428 stvec ffffffff85ffc970 vstvec 0000000000000000 mepc ffffffff80430ab6 sepc ffffffff800e2674 vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080027000 sscratch 0000000000000000 satp a0129000000ace6a x0/zero 0000000000000000 x1/ra ffffffff80249ea6 x2/sp ff20000000016b00 x3/gp ffffffff897bea80 x4/tp ff60000017f39a40 x5/t0 ff60000017f3a560 x6/t1 ff60000017f3a600 x7/t2 0000000000000006 x8/s0 ff20000000016e70 x9/s1 ff60000039f4ea00 x10/a0 0000000000000005 x11/a1 ffffffff867152a0 x12/a2 0000000000000001 x13/a3 ffffffff8534a6e4 x14/a4 0000000000000000 x15/a5 ff60000017f39a40 x16/a6 0000000000f00000 x17/a7 0000000056e543b7 x18/s2 ff60000017f39a40 x19/s3 ff6000002d21f880 x20/s4 0000000000000004 x21/s5 ff60000039f4ea00 x22/s6 ff6000001b23faa0 x23/s7 ff6000001b23faa0 x24/s8 ff20000000016ce0 x25/s9 dfffffff00000000 x26/s10 ff6000003e259900 x27/s11 ff20000000016c80 x28/t3 1fec000003647f03 x29/t4 ff6000001792e138 x30/t5 ffffffff87217028 x31/t6 1fec000002fe74c4 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