last executing test programs: 1m39.891088284s ago: executing program 0 (id=356): mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) r0 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) bind$llc(r0, &(0x7f0000000040)={0x1a, 0x0, 0x0, 0x54}, 0x10) 1m36.181299427s ago: executing program 1 (id=357): r0 = socket(0x40000000015, 0x5, 0x0) bind$inet(r0, &(0x7f00008a5ff0)={0x2, 0x0, @loopback}, 0x10) getsockname$packet(r0, 0x0, &(0x7f0000000540)) 1m28.730771311s ago: executing program 0 (id=358): syz_usb_control_io(0xffffffffffffffff, &(0x7f00000006c0)={0x2c, 0x0, 0x0, &(0x7f0000000100)={0x0, 0xf, 0x1a, {0x5, 0xf, 0x1a, 0x2, [@ss_cap={0xa}, @wireless={0xb, 0x10, 0x1, 0x2, 0x9}]}}, 0x0, 0x0}, 0x0) keyctl$instantiate(0xc, 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="6c6f6164f622a078d7830ab920747275737465643a"], 0x34, 0xfffffffffffffffa) add_key(&(0x7f0000000140)='encrypted\x00', &(0x7f0000000180), &(0x7f0000000100), 0xca, 0xfffffffffffffffe) 1m25.400246089s ago: executing program 1 (id=359): r0 = openat2(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040)={0x68041}, 0x18) fsetxattr$security_ima(r0, &(0x7f0000000080), &(0x7f00000000c0), 0x1, 0x0) ftruncate(r0, 0x0) 1m9.500111957s ago: executing program 0 (id=360): r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="1b00000000000000000000000080"], 0x48) r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000001540)={0x3, 0xd, &(0x7f0000001c80)=ANY=[@ANYBLOB="18020000040000000000000007000000850000002f00000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000001fffd00850000008200000095"], &(0x7f0000000680)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f00000002c0)={r1, 0x0, 0xe, 0x0, &(0x7f0000000100)="e0b9547ed387dbe9abc89b6f5bec", 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50) 1m3.775197234s ago: executing program 1 (id=361): r0 = syz_open_dev$usbfs(&(0x7f0000000240), 0xb, 0x101301) ioctl$USBDEVFS_IOCTL(r0, 0xc0105512, &(0x7f0000000200)) ioctl$USBDEVFS_IOCTL(r0, 0x80045505, &(0x7f0000000080)=@usbdevfs_connect={0xffffffff}) 53.698904154s ago: executing program 0 (id=362): r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_PORT_POOL_GET(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000005c0)={0x4c, r1, 0x1, 0x0, 0x0, {0x4f}, [{{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xab}}, {0x8}, {0x6, 0x11, 0xffff}}]}, 0x4c}}, 0x0) 39.595501962s ago: executing program 1 (id=363): r0 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$sock_int(r0, 0x1, 0x3e, &(0x7f00000000c0)=0x5, 0x4) sendmmsg$inet(r0, &(0x7f0000000c40)=[{{&(0x7f0000000180)={0x2, 0x0, @remote}, 0x10, 0x0}}], 0x1, 0x0) 30.838835217s ago: executing program 0 (id=364): r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0x161041, 0x0) fcntl$setlease(r0, 0x400, 0x0) fsetxattr$trusted_overlay_redirect(r0, &(0x7f0000000040), 0x0, 0x0, 0x0) 20.89906526s ago: executing program 1 (id=365): r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000440)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) 15.288895765s ago: executing program 0 (id=366): r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_LINKMODES_SET(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000040)={0x44, r1, 0x7, 0x0, 0x0, {}, [@ETHTOOL_A_LINKMODES_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syz_tun\x00'}]}, @ETHTOOL_A_LINKMODES_OURS={0x18, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_VALUE={0x8, 0x4, ' \x00\x00\x00'}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x20}, @ETHTOOL_A_BITSET_NOMASK={0x4}]}]}, 0x44}}, 0x0) 0s ago: executing program 1 (id=367): r0 = socket$can_bcm(0x1d, 0x2, 0x2) connect$can_bcm(r0, &(0x7f0000000000), 0x10) sendmsg$can_bcm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000500)={0x3, 0x0, 0x0, {0x77359400}, {0x0, 0xea60}, {}, 0x1, @can={{}, 0x0, 0x0, 0x0, 0x0, "74921a068000"}}, 0x48}}, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:6526' (ED25519) to the list of known hosts. syzkaller login: [ 326.100957][ T3170] cgroup: Unknown subsys name 'net' [ 326.584488][ T3170] cgroup: Unknown subsys name 'cpuset' [ 326.706143][ T3170] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 378.978698][ T3170] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 427.422128][ T3175] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 427.465005][ T3175] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 428.611411][ T3177] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 428.649473][ T3177] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 434.199571][ T3175] hsr_slave_0: entered promiscuous mode [ 434.224427][ T3175] hsr_slave_1: entered promiscuous mode [ 435.541068][ T3177] hsr_slave_0: entered promiscuous mode [ 435.595495][ T3177] hsr_slave_1: entered promiscuous mode [ 435.627021][ T3177] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 435.630369][ T3177] Cannot create hsr debugfs directory [ 441.466137][ T3175] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 441.621355][ T3175] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 441.778216][ T3175] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 441.906191][ T3175] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 443.583618][ T3177] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 443.795563][ T3177] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 443.966868][ T3177] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 444.194871][ T3177] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 453.014531][ T3175] 8021q: adding VLAN 0 to HW filter on device bond0 [ 454.625883][ T3177] 8021q: adding VLAN 0 to HW filter on device bond0 [ 484.201025][ T3175] veth0_vlan: entered promiscuous mode [ 484.461393][ T3175] veth1_vlan: entered promiscuous mode [ 485.587856][ T3177] veth0_vlan: entered promiscuous mode [ 485.819996][ T3175] veth0_macvtap: entered promiscuous mode [ 486.147894][ T3175] veth1_macvtap: entered promiscuous mode [ 486.500409][ T3177] veth1_vlan: entered promiscuous mode [ 488.315655][ T3175] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 488.317890][ T3175] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 488.319006][ T3175] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 488.320038][ T3175] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 488.680614][ T3177] veth0_macvtap: entered promiscuous mode [ 488.920273][ T3177] veth1_macvtap: entered promiscuous mode [ 490.937778][ T3177] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 490.940059][ T3177] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 490.946943][ T3177] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 490.949051][ T3177] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 491.578179][ T3175] 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. [ 503.735477][ T8] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 504.163661][ T8] usb 1-1: Using ep0 maxpacket: 16 [ 504.285162][ T8] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 504.287194][ T8] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has an invalid bInterval 0, changing to 7 [ 504.289065][ T8] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x2 has invalid wMaxPacketSize 0 [ 504.290401][ T8] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x2 has invalid maxpacket 0 [ 504.294757][ T8] usb 1-1: config 0 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 3 [ 504.333590][ T8] usb 1-1: New USB device found, idVendor=2040, idProduct=b138, bcdDevice= 1.42 [ 504.334949][ T8] usb 1-1: New USB device strings: Mfr=4, Product=0, SerialNumber=0 [ 504.335971][ T8] usb 1-1: Manufacturer: syz [ 504.426766][ T8] usb 1-1: config 0 descriptor?? [ 507.143790][ T8] rc_core: IR keymap rc-hauppauge not found [ 507.146721][ T8] Registered IR keymap rc-empty [ 507.347144][ T8] mceusb 1-1:0.0: Error: mce write submit urb error = -90 [ 507.384529][ T8] mceusb 1-1:0.0: Error: mce write submit urb error = -90 [ 507.488335][ T8] rc rc0: Conexant Hybrid TV (cx231xx) MCE IR no TX as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0 [ 507.614805][ T8] input: Conexant Hybrid TV (cx231xx) MCE IR no TX as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc0/input0 [ 507.796805][ T8] mceusb 1-1:0.0: Error: mce write submit urb error = -90 [ 507.837237][ T8] mceusb 1-1:0.0: Error: mce write submit urb error = -90 [ 507.867203][ T8] mceusb 1-1:0.0: Error: mce write submit urb error = -90 [ 507.922941][ T8] mceusb 1-1:0.0: Error: mce write submit urb error = -90 [ 507.954314][ T8] mceusb 1-1:0.0: Error: mce write submit urb error = -90 [ 508.004807][ T8] mceusb 1-1:0.0: Error: mce write submit urb error = -90 [ 508.042098][ T8] mceusb 1-1:0.0: Error: mce write submit urb error = -90 [ 508.105562][ T8] mceusb 1-1:0.0: Error: mce write submit urb error = -90 [ 508.149983][ T8] mceusb 1-1:0.0: Error: mce write submit urb error = -90 [ 508.194452][ T8] mceusb 1-1:0.0: Error: mce write submit urb error = -90 [ 508.357564][ T8] mceusb 1-1:0.0: Registered 424242424242 with mce emulator interface version 1 [ 508.360344][ T8] mceusb 1-1:0.0: 2 tx ports (0x0 cabled) and 2 rx sensors (0x0 active) [ 511.271336][ T3861] usb 1-1: USB disconnect, device number 2 [ 560.745084][ T3861] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 561.077696][ T3861] usb 2-1: too many endpoints for config 0 interface 0 altsetting 0: 253, using maximum allowed: 30 [ 561.080471][ T3861] usb 2-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 253 [ 561.096094][ T3861] usb 2-1: New USB device found, idVendor=0458, idProduct=0138, bcdDevice= 0.00 [ 561.099175][ T3861] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 561.247236][ T3861] usb 2-1: config 0 descriptor?? [ 564.297684][ T3861] kye 0003:0458:0138.0001: item fetching failed at offset 0/1 [ 564.310108][ T3861] kye 0003:0458:0138.0001: parse failed [ 564.327370][ T3861] kye 0003:0458:0138.0001: probe with driver kye failed with error -22 [ 564.878123][ T3861] usb 2-1: USB disconnect, device number 2 [ 572.185458][ T3993] netlink: 36 bytes leftover after parsing attributes in process `syz.0.40'. [ 574.196198][ T3995] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 588.058670][ T4011] netlink: 72 bytes leftover after parsing attributes in process `syz.1.49'. [ 601.987156][ T4030] ptrace attach of "/syz-executor exec"[3175] was attempted by " [ 611.710146][ T4045] netlink: 8 bytes leftover after parsing attributes in process `syz.1.63'. [ 611.719716][ T4045] netlink: 4 bytes leftover after parsing attributes in process `syz.1.63'. [ 611.756349][ T4045] netlink: 'syz.1.63': attribute type 13 has an invalid length. [ 611.759358][ T4045] netlink: 'syz.1.63': attribute type 11 has an invalid length. [ 648.297558][ T4092] Driver unsupported XDP return value 0 on prog (id 8) dev N/A, expect packet loss! [ 698.167281][ T4151] netlink: 34 bytes leftover after parsing attributes in process `syz.1.108'. [ 712.617552][ T4170] netlink: 4 bytes leftover after parsing attributes in process `syz.1.117'. [ 712.619503][ T4170] netlink: 4 bytes leftover after parsing attributes in process `syz.1.117'. [ 716.863601][ T4180] netlink: 8 bytes leftover after parsing attributes in process `syz.1.122'. [ 735.207270][ T4209] nbd: illegal input index 67108864 [ 751.948764][ T4228] netlink: 28 bytes leftover after parsing attributes in process `syz.0.144'. [ 798.489624][ T4281] netlink: 'syz.1.167': attribute type 18 has an invalid length. [ 798.547451][ T4281] Zero length message leads to an empty skb [ 807.035674][ T4291] capability: warning: `syz.1.171' uses deprecated v2 capabilities in a way that may be insecure [ 810.806426][ T3803] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 811.095229][ T3803] usb 2-1: Using ep0 maxpacket: 16 [ 811.204417][ T3803] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 811.208988][ T3803] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 811.211447][ T3803] usb 2-1: New USB device found, idVendor=172f, idProduct=0032, bcdDevice= 0.00 [ 811.253571][ T3803] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 811.366732][ T3803] usb 2-1: config 0 descriptor?? [ 813.691383][ T3803] waltop 0003:172F:0032.0002: hidraw0: USB HID v0.00 Device [HID 172f:0032] on usb-dummy_hcd.1-1/input0 [ 813.977886][ T3803] usb 2-1: USB disconnect, device number 3 [ 832.767442][ T4336] ======================================================= [ 832.767442][ T4336] WARNING: The mand mount option has been deprecated and [ 832.767442][ T4336] and is ignored by this kernel. Remove the mand [ 832.767442][ T4336] option from the mount to silence this warning. [ 832.767442][ T4336] ======================================================= [ 860.471053][ T4374] netlink: 32 bytes leftover after parsing attributes in process `syz.1.198'. [ 870.221326][ T4387] netlink: 802 bytes leftover after parsing attributes in process `syz.0.204'. [ 872.208596][ T4390] netlink: 4 bytes leftover after parsing attributes in process `syz.0.206'. [ 895.338761][ T3770] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 895.643917][ T3770] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 895.646654][ T3770] usb 1-1: New USB device found, idVendor=06cb, idProduct=81a7, bcdDevice= 0.00 [ 895.648731][ T3770] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 895.868070][ T3770] usb 1-1: config 0 descriptor?? [ 897.205691][ T3770] hid-rmi 0003:06CB:81A7.0003: unknown main item tag 0x0 [ 897.295244][ T3770] hid-rmi 0003:06CB:81A7.0003: hidraw0: USB HID vff.ff Device [HID 06cb:81a7] on usb-dummy_hcd.0-1/input0 [ 897.533179][ T3770] usb 1-1: USB disconnect, device number 3 [ 912.790321][ T4449] mmap: syz.1.223 (4449) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst. [ 922.339445][ T4466] fuse: Bad value for 'user_id' [ 922.365331][ T4466] fuse: Bad value for 'user_id' [ 937.018357][ T4478] macvtap1: entered promiscuous mode [ 937.020516][ T4478] vlan0: entered promiscuous mode [ 937.635271][ T4478] vlan0: left promiscuous mode [ 991.779366][ T4550] Invalid ELF header magic: != ELF [ 1175.987180][ T4633] random: crng reseeded on system resumption [ 1216.838325][ T4643] xt_time: unknown flags 0xc [ 1252.140614][ T4659] netlink: 12 bytes leftover after parsing attributes in process `syz.1.304'. [ 1253.629496][ T4659] netlink: 12 bytes leftover after parsing attributes in process `syz.1.304'. [ 1253.830481][ T4659] netlink: 12 bytes leftover after parsing attributes in process `syz.1.304'. [ 1253.971454][ T4659] netlink: 12 bytes leftover after parsing attributes in process `syz.1.304'. [ 1254.203319][ T4659] netlink: 12 bytes leftover after parsing attributes in process `syz.1.304'. [ 1254.211470][ T4659] netlink: 12 bytes leftover after parsing attributes in process `syz.1.304'. [ 1254.608325][ T4659] netlink: 12 bytes leftover after parsing attributes in process `syz.1.304'. [ 1254.799745][ T4659] netlink: 12 bytes leftover after parsing attributes in process `syz.1.304'. [ 1255.117143][ T4659] netlink: 12 bytes leftover after parsing attributes in process `syz.1.304'. [ 1255.289086][ T4659] netlink: 12 bytes leftover after parsing attributes in process `syz.1.304'. [ 1290.207049][ T3881] usb 2-1: new high-speed USB device number 4 using dummy_hcd [ 1290.654097][ T3881] usb 2-1: Using ep0 maxpacket: 16 [ 1292.725764][ T3881] usb 2-1: New USB device found, idVendor=17ef, idProduct=721e, bcdDevice=de.06 [ 1292.728829][ T3881] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1292.730447][ T3881] usb 2-1: Product: syz [ 1292.794739][ T3881] usb 2-1: Manufacturer: syz [ 1292.797151][ T3881] usb 2-1: SerialNumber: syz [ 1293.747417][ T3881] r8152-cfgselector 2-1: Unknown version 0x0000 [ 1293.750429][ T3881] r8152-cfgselector 2-1: config 0 descriptor?? [ 1299.387489][ T3881] r8152-cfgselector 2-1: Unknown version 0x0000 [ 1299.450356][ T3881] r8152-cfgselector 2-1: bad CDC descriptors [ 1302.556801][ T9] r8152-cfgselector 2-1: USB disconnect, device number 4 [ 1652.559438][ T4800] trusted_key: encrypted_key: keyword 'loadö" x׃ [ 1652.559438][ T4800] ¹' not recognized [ 1738.415595][ T39] INFO: task kworker/u9:6:4604 blocked for more than 430 seconds. [ 1738.511312][ T39] Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0 [ 1738.576648][ T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1738.578741][ T39] task:kworker/u9:6 state:D stack:0 pid:4604 tgid:4604 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1738.653275][ T39] Workqueue: events_unbound bpf_map_free_deferred [ 1738.657729][ T39] Call Trace: [ 1738.659403][ T39] [] __schedule+0xe4c/0x3d70 [ 1738.739638][ T39] [] schedule+0xc4/0x324 [ 1738.775574][ T39] [] schedule_timeout+0x1c6/0x28a [ 1738.777500][ T39] [] __wait_for_common+0x1ca/0x4b6 [ 1738.779256][ T39] [] wait_for_completion+0x1a/0x22 [ 1738.781004][ T39] [] rcu_barrier+0x2dc/0x6cc [ 1738.866702][ T39] [] dev_map_free+0x11c/0x6bc [ 1738.894755][ T39] [] bpf_map_free_deferred+0x226/0x47a [ 1738.896649][ T39] [] process_one_work+0x96a/0x1f3a [ 1738.898596][ T39] [] worker_thread+0x5be/0xdc6 [ 1738.900511][ T39] [] kthread+0x37e/0x7b6 [ 1738.979740][ T39] [] ret_from_fork+0xe/0x18 [ 1739.065168][ T39] [ 1739.065168][ T39] Showing all locks held in the system: [ 1739.067483][ T39] 1 lock held by khungtaskd/39: [ 1739.069127][ T39] #0: ffffffff883d7b80 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x68/0x288 [ 1739.156241][ T39] 2 locks held by kworker/1:2/923: [ 1739.157943][ T39] 2 locks held by syslogd/2990: [ 1739.159496][ T39] 2 locks held by getty/3145: [ 1739.160962][ T39] #0: ffffaf80189320a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 [ 1739.316584][ T39] #1: ffff8f800008b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xd7c/0x129a [ 1739.320815][ T39] 3 locks held by syz-executor/3177: [ 1739.414409][ T39] 5 locks held by kworker/1:1/3770: [ 1739.416188][ T39] 2 locks held by kworker/1:3/3803: [ 1739.417636][ T39] 2 locks held by kworker/1:4/3861: [ 1739.419150][ T39] 2 locks held by kworker/1:5/4301: [ 1739.420551][ T39] 2 locks held by kworker/1:6/4569: [ 1739.485591][ T39] 3 locks held by kworker/u9:6/4604: [ 1739.487410][ T39] #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f3a [ 1739.570770][ T39] #1: ffff8f8007487bd0 ((work_completion)(&map->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f3a [ 1739.600611][ T39] #2: ffffffff883e7d00 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc [ 1739.688795][ T39] 3 locks held by kworker/0:4/4629: [ 1739.690302][ T39] 5 locks held by kworker/u9:7/4660: [ 1739.736232][ T39] 2 locks held by syz.0.366/4824: [ 1739.738068][ T39] 3 locks held by dhcpcd-run-hook/4827: [ 1739.739804][ T39] [ 1739.741009][ T39] ============================================= [ 1739.741009][ T39] [ 1739.850604][ T39] NMI backtrace for cpu 0 [ 1739.851432][ T39] CPU: 0 UID: 0 PID: 39 Comm: khungtaskd Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0 [ 1739.852057][ T39] Hardware name: riscv-virtio,qemu (DT) [ 1739.852319][ T39] Call Trace: [ 1739.852487][ T39] [] dump_backtrace+0x2e/0x3c [ 1739.853041][ T39] [] show_stack+0x30/0x3c [ 1739.853486][ T39] [] dump_stack_lvl+0x12e/0x1a6 [ 1739.854067][ T39] [] dump_stack+0x1c/0x24 [ 1739.854607][ T39] [] nmi_cpu_backtrace+0x3b0/0x3b2 [ 1739.855155][ T39] [] nmi_trigger_cpumask_backtrace+0x2b6/0x458 [ 1739.855689][ T39] [] arch_trigger_cpumask_backtrace+0x2c/0x3e [ 1739.856255][ T39] [] watchdog+0xcf2/0x11de [ 1739.856719][ T39] [] kthread+0x37e/0x7b6 [ 1739.857233][ T39] [] ret_from_fork+0xe/0x18 [ 1739.872414][ T39] Sending NMI from CPU 0 to CPUs 1: [ 1739.874829][ C1] NMI backtrace for cpu 1 [ 1739.875335][ C1] CPU: 1 UID: 0 PID: 3861 Comm: kworker/1:4 Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0 [ 1739.875796][ C1] Hardware name: riscv-virtio,qemu (DT) [ 1739.876032][ C1] Workqueue: events_power_efficient neigh_managed_work [ 1739.876775][ C1] epc : _raw_spin_unlock_irqrestore+0x36/0xd4 [ 1739.877343][ C1] ra : _raw_spin_unlock_irqrestore+0x86/0xd4 [ 1739.877931][ C1] epc : ffffffff8625ed56 ra : ffffffff8625eda6 sp : ffff8f80000169f0 [ 1739.878268][ C1] gp : ffffffff89c21d80 tp : ffffaf80197f3400 t0 : 7671b08b6d493d50 [ 1739.878597][ C1] t1 : fffff5ef03b968bc t2 : 0000000000000191 s0 : ffff8f8000016a10 [ 1739.878928][ C1] s1 : 0000000000000002 a0 : 0000000000000001 a1 : ffffffff86842000 [ 1739.879237][ C1] a2 : 0000000000000003 a3 : 0000000000000102 a4 : 0000000000000001 [ 1739.879539][ C1] a5 : 0000000000000000 a6 : ffffaf80197f3f38 a7 : 1ffff5f0032fe7e7 [ 1739.879859][ C1] s2 : ffffaf801dcb45e0 s3 : 1ffff1f000002d44 s4 : ffffaf801dcb4630 [ 1739.880197][ C1] s5 : 1ffff5f003b968c6 s6 : 0000000200000022 s7 : 0000000000000001 [ 1739.880527][ C1] s8 : ffffaf80386ebd80 s9 : 0000000000000000 s10: 0000000000000002 [ 1739.880826][ C1] s11: ffffffff80000000 t3 : ffffaf80197f3ef0 t4 : fffff5ef03b968bc [ 1739.881186][ C1] t5 : fffff5ef03b968bd t6 : 000000000000000c [ 1739.881502][ C1] status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001 [ 1739.881929][ C1] [] _raw_spin_unlock_irqrestore+0x36/0xd4 [ 1739.882625][ C1] [] ref_tracker_alloc+0x2d8/0x544 [ 1739.883078][ C1] [] dst_init+0xca/0x506 [ 1739.883515][ C1] [] dst_alloc+0xae/0x174 [ 1739.883978][ C1] [] rt_dst_alloc+0x3a/0x340 [ 1739.884524][ C1] [] ip_route_output_key_hash_rcu+0x822/0x2748 [ 1739.885222][ C1] [] ip_route_output_key_hash+0x158/0x31c [ 1739.885853][ C1] [] ip_route_output_flow+0x2a/0x142 [ 1739.886470][ C1] [] ip_route_me_harder+0x52e/0x11a6 [ 1739.886899][ C1] [] synproxy_send_tcp.isra.0+0x2be/0x5d2 [ 1739.887496][ C1] [] synproxy_send_client_synack+0x6dc/0x8be [ 1739.888097][ C1] [] nft_synproxy_do_eval+0x8ac/0xa52 [ 1739.888648][ C1] [] nft_synproxy_eval+0x28/0x36 [ 1739.889260][ C1] [] nft_do_chain+0x328/0x1598 [ 1739.889838][ C1] [] nft_do_chain_inet+0x180/0x316 [ 1739.890408][ C1] [] nf_hook_slow+0xb8/0x1ec [ 1739.890842][ C1] [] ip_local_deliver+0x2ea/0x568 [ 1739.891252][ C1] [] ip_rcv_finish+0x1b0/0x2d2 [ 1739.891641][ C1] [] ip_rcv+0xd6/0x44e [ 1739.892013][ C1] [] __netif_receive_skb_one_core+0x106/0x16e [ 1739.892639][ C1] [] __netif_receive_skb+0x2c/0x144 [ 1739.893278][ C1] [] process_backlog+0x4f6/0x1cb0 [ 1739.893852][ C1] [] __napi_poll.constprop.0+0xaa/0x4b8 [ 1739.894266][ C1] [] net_rx_action+0xa12/0xf10 [ 1739.894648][ C1] [] handle_softirqs+0x4b2/0x132e [ 1739.895107][ C1] [] __do_softirq+0x12/0x1a [ 1739.895680][ C1] [] ___do_softirq+0x18/0x20 [ 1739.896067][ C1] [] call_on_irq_stack+0x32/0x40 [ 1740.285774][ T39] Kernel panic - not syncing: hung_task: blocked tasks [ 1740.288185][ T39] CPU: 0 UID: 0 PID: 39 Comm: khungtaskd Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0 [ 1740.289779][ T39] Hardware name: riscv-virtio,qemu (DT) [ 1740.290950][ T39] Call Trace: [ 1740.292007][ T39] [] dump_backtrace+0x2e/0x3c [ 1740.293548][ T39] [] show_stack+0x30/0x3c [ 1740.294880][ T39] [] dump_stack_lvl+0x110/0x1a6 [ 1740.296374][ T39] [] dump_stack+0x1c/0x24 [ 1740.297747][ T39] [] panic+0x38c/0x86a [ 1740.299034][ T39] [] watchdog+0x78a/0x11de [ 1740.300429][ T39] [] kthread+0x37e/0x7b6 [ 1740.302030][ T39] [] ret_from_fork+0xe/0x18 [ 1740.303908][ T39] SMP: stopping secondary CPUs [ 1740.307736][ T39] Rebooting in 86400 seconds.. VM DIAGNOSIS: 18:32:05 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff8623b96c mhartid 0000000000000000 mstatus 0000000a000001a2 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff86261034 vstvec 0000000000000000 mepc ffffffff80088636 sepc ffffffff802ee758 vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000009 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 000000008004a000 sscratch 0000000000000000 satp 9012b000000ae1d8 x0/zero 0000000000000000 x1/ra ffffffff801cdfc6 x2/sp ffff8f8000006470 x3/gp ffffffff89c21d80 x4/tp ffffaf8013ecb400 x5/t0 ffff8f80000067f0 x6/t1 0000000000000007 x7/t2 000000000000001b x8/s0 ffff8f8000006520 x9/s1 ffff8f8000006810 x10/a0 0000000000000005 x11/a1 ffff8f8000006cf0 x12/a2 0000000000f00000 x13/a3 ffffffff80073f64 x14/a4 0000000000000000 x15/a5 ffffaf8013ecb400 x16/a6 0000000000f00000 x17/a7 ffffffff89d29940 x18/s2 ffffffff855b5fdc x19/s3 0000000000000010 x20/s4 0000000000000000 x21/s5 dfffffff00000000 x22/s6 ffffffff855b641e x23/s7 0000000000000001 x24/s8 dfffffff00000000 x25/s9 0000000000007fff x26/s10 ffffffff86261034 x27/s11 ffffffff90fd0260 x28/t3 ffffaf8013ecbef0 x29/t4 1ffff5f0027d97dd x30/t5 1ffff5f0027d97f6 x31/t6 0000000000000004 fcsr 0000000000000000 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 ffffffff803d4e5e mhartid 0000000000000001 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff86261034 vstvec 0000000000000000 mepc ffffffff804d6f5c sepc ffffffff84f88eee vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080048000 sscratch 0000000000000000 satp 90129000000ad8a5 x0/zero 0000000000000000 x1/ra ffffffff80378032 x2/sp ffff8f8000016120 x3/gp ffffffff89c21d80 x4/tp ffffaf80189cce00 x5/t0 2fbca246ed963041 x6/t1 ffffaf806ed8ae40 x7/t2 000000000000003f x8/s0 ffff8f8000016360 x9/s1 ffffffff90fd0260 x10/a0 ffffaf80189cce08 x11/a1 ffffffff86b45ea0 x12/a2 fffffffff1f1f1f1 x13/a3 ffffffff883e76c0 x14/a4 0000000000000004 x15/a5 0000000000000000 x16/a6 00000000000f0000 x17/a7 ffffffff883e76c0 x18/s2 ffffffff89c61300 x19/s3 0000000000000001 x20/s4 ffffffff89d2d060 x21/s5 ffffaf806ed8ae58 x22/s6 ffffffffffff88f2 x23/s7 ffffffff89d2c920 x24/s8 ffffffff882111c0 x25/s9 ffffffff882111c0 x26/s10 ffffffff90fd0268 x27/s11 ffffffff86673e40 x28/t3 ffffffff883e86c0 x29/t4 000000010002316c x30/t5 1ffff5f003139b40 x31/t6 000000000000000f fcsr 0000000000000000 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