last executing test programs: 3m31.085257511s ago: executing program 1 (id=174): request_key(&(0x7f00000000c0)='big_key\x00', &(0x7f0000000040)={'syz', 0x2}, &(0x7f0000000100)='\\\\@}\x01\x00\x00@\xf5\xe2\xdbE\xc0P\x02\xe0\xf2\xaa\xe6\x00\x00\x00\x00\x00\x00\x00\xd0\xa1B\x80\xd3\xcc\x06D\a\x00\x00\x00\x00\x00\x00\x04)\'\x03t\xcd\xe8\xd0u\x01\xff\x01\xd1', 0xfffffffffffffffe) r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000900)='/proc/keys\x00', 0x0, 0x0) read$FUSE(r0, &(0x7f0000000940)={0x2020}, 0x2020) 3m21.007238784s ago: executing program 1 (id=176): mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0x0) mount$tmpfs(0x0, 0x0, 0x0, 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='uid=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000000)='devpts\x00', 0x0, &(0x7f0000000100)) 3m14.09507892s ago: executing program 1 (id=178): r0 = syz_init_net_socket$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) 3m9.403282541s ago: executing program 1 (id=180): r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000100)='bbr\x00', 0x4) 3m1.12746984s ago: executing program 1 (id=182): r0 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$L2TP_CMD_TUNNEL_CREATE(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="17090000000000000000010000000500070000000000080009000000000008000a0000000000060002000000000014001f00000000000000000000000000000000001400200000"], 0x64}}, 0x0) 2m53.974646574s ago: executing program 1 (id=184): r0 = syz_open_dev$usbfs(&(0x7f0000003f00), 0x1ff, 0xa401) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$USBDEVFS_SUBMITURB(r1, 0x5514, 0x0) 2m6.376959779s ago: executing program 32 (id=184): r0 = syz_open_dev$usbfs(&(0x7f0000003f00), 0x1ff, 0xa401) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$USBDEVFS_SUBMITURB(r1, 0x5514, 0x0) 25.043478458s ago: executing program 0 (id=214): r0 = socket$netlink(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r0, 0x10e, 0xc, &(0x7f0000000640)=0x4, 0x4) sendmsg$netlink(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000680)=[{&(0x7f0000000180)={0x1c, 0x5e, 0x1, 0x70bd2b, 0xfffffffe, "", [@nested={0xc, 0xe2, 0x0, 0x1, [@nested={0x5, 0x12b, 0x0, 0x1, [@generic="9b"]}]}]}, 0x1c}], 0x1, 0x0, 0x0, 0x4000}, 0x0) 20.376440073s ago: executing program 0 (id=215): r0 = openat$cuse(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) read$FUSE(r0, &(0x7f0000009780)={0x2020}, 0x2020) write$FUSE_DIRENTPLUS(r0, &(0x7f0000000180)={0x10, 0xfffffff5, 0x3}, 0x10) 17.271533366s ago: executing program 0 (id=216): mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x200000f, 0x4031, 0xffffffffffffffff, 0x0) madvise(&(0x7f00000ec000/0x800000)=nil, 0x800000, 0x17) mremap(&(0x7f0000000000/0x9000)=nil, 0x600000, 0x200000, 0x3, &(0x7f0000a00000/0x600000)=nil) 10.857191873s ago: executing program 0 (id=217): r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000840)={0x2, 0xce21, @loopback}, 0x10) sendmsg$rds(r0, &(0x7f0000000080)={&(0x7f0000000040)={0x2, 0x4, @local}, 0x10, 0x0, 0x0, &(0x7f0000000240)=[@rdma_args={0x48, 0x114, 0x1, {{0x5}, {0x0}, &(0x7f0000000300)=[{0x0}], 0x1}}], 0x48}, 0x0) 7.561678323s ago: executing program 0 (id=218): prlimit64(0x0, 0x7, &(0x7f0000000000), 0x0) madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0xa) syz_clone(0x20003000, 0x0, 0x0, 0x0, 0x0, 0x0) 0s ago: executing program 0 (id=219): prctl$PR_SET_MM(0x23, 0x6, &(0x7f0000ff9000/0x4000)=nil) prctl$PR_SET_MM(0x23, 0x7, &(0x7f0000ffc000/0x4000)=nil) brk(0x200000ffc000) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:63585' (ED25519) to the list of known hosts. syzkaller login: [ 320.103628][ T3169] cgroup: Unknown subsys name 'net' [ 320.605201][ T3169] cgroup: Unknown subsys name 'cpuset' [ 320.742151][ T3169] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 376.275200][ T3169] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 433.445665][ T3179] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 433.766358][ T3179] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 441.795972][ T3181] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 441.907360][ T3181] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 448.012360][ T3179] hsr_slave_0: entered promiscuous mode [ 448.082558][ T3179] hsr_slave_1: entered promiscuous mode [ 450.597896][ T3181] hsr_slave_0: entered promiscuous mode [ 450.613680][ T3181] hsr_slave_1: entered promiscuous mode [ 450.632454][ T3181] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 450.635576][ T3181] Cannot create hsr debugfs directory [ 454.673205][ T3179] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 454.781701][ T3179] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 454.930513][ T3179] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 455.065206][ T3179] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 456.494952][ T3181] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 456.799733][ T3181] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 457.050039][ T3181] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 457.226068][ T3181] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 465.321753][ T3179] 8021q: adding VLAN 0 to HW filter on device bond0 [ 468.152417][ T3181] 8021q: adding VLAN 0 to HW filter on device bond0 [ 495.775903][ T3181] veth0_vlan: entered promiscuous mode [ 496.152998][ T3181] veth1_vlan: entered promiscuous mode [ 498.362565][ T3181] veth0_macvtap: entered promiscuous mode [ 498.561855][ T3181] veth1_macvtap: entered promiscuous mode [ 500.314337][ T3181] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 500.316767][ T3181] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 500.339382][ T3181] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 500.340790][ T3181] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 502.514422][ T3179] veth0_vlan: entered promiscuous mode [ 502.934834][ T3179] veth1_vlan: entered promiscuous mode [ 504.451518][ T3179] veth0_macvtap: entered promiscuous mode [ 504.626042][ T3179] veth1_macvtap: entered promiscuous mode [ 505.653737][ 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. [ 505.654433][ T3179] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 505.656570][ T3179] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 505.657823][ T3179] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 505.687485][ T3179] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 509.871800][ T3880] netlink: 16 bytes leftover after parsing attributes in process `syz.0.3'. [ 512.722656][ T3882] [U] ¦ [ 523.096150][ T3893] netlink: 8 bytes leftover after parsing attributes in process `syz.1.9'. [ 530.884638][ T3901] netlink: 44 bytes leftover after parsing attributes in process `syz.1.13'. [ 530.895604][ T3901] netlink: 'syz.1.13': attribute type 6 has an invalid length. [ 530.905355][ T3901] netlink: 'syz.1.13': attribute type 5 has an invalid length. [ 530.907363][ T3901] netlink: 'syz.1.13': attribute type 4 has an invalid length. [ 538.325726][ T3881] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 538.333989][ T3881] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 538.335847][ T3881] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 538.337519][ T3881] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 538.353665][ T3881] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 538.355867][ T3881] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 538.377416][ T3881] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 538.412235][ T3881] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 538.414291][ T3881] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 538.416004][ T3881] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 538.417685][ T3881] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 538.432984][ T3881] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 538.434769][ T3881] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 538.436428][ T3881] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 538.451556][ T3881] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 538.453582][ T3881] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 538.455240][ T3881] hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 [ 538.607534][ T3881] hid-generic 0000:0000:0000.0001: hidraw0: HID v0.00 Device [syz0] on syz0 [ 558.916710][ T3947] netlink: 8 bytes leftover after parsing attributes in process `syz.1.29'. [ 558.945601][ T3947] netlink: 4 bytes leftover after parsing attributes in process `syz.1.29'. [ 558.970038][ T3947] netlink: 'syz.1.29': attribute type 11 has an invalid length. [ 558.972022][ T3947] netlink: 'syz.1.29': attribute type 12 has an invalid length. [ 608.503301][ T4015] capability: warning: `syz.1.58' uses deprecated v2 capabilities in a way that may be insecure [ 610.273960][ T3881] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 610.775722][ T3881] usb 1-1: Using ep0 maxpacket: 16 [ 611.282433][ T3881] usb 1-1: config 0 interface 0 altsetting 1 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 611.285837][ T3881] usb 1-1: config 0 interface 0 altsetting 1 endpoint 0x81 has invalid wMaxPacketSize 0 [ 611.293831][ T3881] usb 1-1: config 0 interface 0 altsetting 1 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 611.296560][ T3881] usb 1-1: config 0 interface 0 has no altsetting 0 [ 611.300597][ T3881] usb 1-1: New USB device found, idVendor=045e, idProduct=05da, bcdDevice= 0.00 [ 611.302676][ T3881] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 611.476993][ T3881] usb 1-1: config 0 descriptor?? [ 613.789812][ T3881] hid (null): usage index exceeded [ 614.041837][ T3881] hid-generic 0003:045E:05DA.0002: unknown main item tag 0x0 [ 614.044808][ T3881] hid-generic 0003:045E:05DA.0002: unknown main item tag 0x0 [ 614.046715][ T3881] hid-generic 0003:045E:05DA.0002: unknown main item tag 0x0 [ 614.063301][ T3881] hid-generic 0003:045E:05DA.0002: ignoring exceeding usage max [ 614.132037][ T3881] hid-generic 0003:045E:05DA.0002: ignoring exceeding usage max [ 614.134483][ T3881] hid-generic 0003:045E:05DA.0002: usage index exceeded [ 614.136306][ T3881] hid-generic 0003:045E:05DA.0002: item 0 4 2 2 parsing failed [ 614.196938][ T3881] hid-generic 0003:045E:05DA.0002: probe with driver hid-generic failed with error -22 [ 614.477305][ T3881] usb 1-1: USB disconnect, device number 2 [ 676.925709][ T4070] [U] „ [ 691.245714][ T4078] tmpfs: Bad value for 'mpol' [ 703.233224][ T4085] netlink: 'syz.0.79': attribute type 3 has an invalid length. [ 710.024766][ T4093] netlink: 16 bytes leftover after parsing attributes in process `syz.1.82'. [ 714.464464][ T4097] netlink: 8 bytes leftover after parsing attributes in process `syz.0.83'. [ 755.267016][ T4119] netlink: 4 bytes leftover after parsing attributes in process `syz.0.94'. [ 802.646109][ T4146] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 844.171073][ T4166] netlink: 8 bytes leftover after parsing attributes in process `syz.0.112'. [ 844.175954][ T4166] netlink: 'syz.0.112': attribute type 30 has an invalid length. [ 844.566660][ T4166] netdevsim netdevsim0 netdevsim0: set [0, 0] type 1 family 0 port 8472 - 0 [ 844.571121][ T4166] netdevsim netdevsim0 netdevsim1: set [0, 0] type 1 family 0 port 8472 - 0 [ 844.572362][ T4166] netdevsim netdevsim0 netdevsim2: set [0, 0] type 1 family 0 port 8472 - 0 [ 844.573635][ T4166] netdevsim netdevsim0 netdevsim3: set [0, 0] type 1 family 0 port 8472 - 0 [ 888.312797][ T4200] usb usb1: usbfs: interface 0 claimed by hub while 'syz.1.126' sets config #0 [ 894.446126][ T4208] netlink: 12 bytes leftover after parsing attributes in process `syz.1.130'. [ 894.586901][ T4208] netlink: 12 bytes leftover after parsing attributes in process `syz.1.130'. [ 894.604775][ T4208] netlink: 12 bytes leftover after parsing attributes in process `syz.1.130'. [ 894.642933][ T4208] netlink: 12 bytes leftover after parsing attributes in process `syz.1.130'. [ 894.647506][ T4208] netlink: 12 bytes leftover after parsing attributes in process `syz.1.130'. [ 894.684029][ T4208] netlink: 12 bytes leftover after parsing attributes in process `syz.1.130'. [ 894.724509][ T4208] netlink: 12 bytes leftover after parsing attributes in process `syz.1.130'. [ 894.760082][ T4208] netlink: 12 bytes leftover after parsing attributes in process `syz.1.130'. [ 894.766179][ T4208] netlink: 12 bytes leftover after parsing attributes in process `syz.1.130'. [ 894.796067][ T4208] netlink: 12 bytes leftover after parsing attributes in process `syz.1.130'. [ 925.056511][ T4225] gretap0: vlans aren't supported yet for dev_uc|mc_add() [ 965.805874][ T4257] __nla_validate_parse: 7 callbacks suppressed [ 965.806279][ T4257] netlink: 12 bytes leftover after parsing attributes in process `syz.1.148'. [ 997.072184][ T4278] netlink: 12 bytes leftover after parsing attributes in process `syz.0.159'. [ 997.120883][ T4278] netlink: 4 bytes leftover after parsing attributes in process `syz.0.159'. [ 999.399812][ T4278] netlink: 12 bytes leftover after parsing attributes in process `syz.0.159'. [ 999.403136][ T4278] netlink: 4 bytes leftover after parsing attributes in process `syz.0.159'. [ 1004.854674][ T4278] netlink: 12 bytes leftover after parsing attributes in process `syz.0.159'. [ 1004.929436][ T4278] netlink: 4 bytes leftover after parsing attributes in process `syz.0.159'. [ 1015.062888][ T4294] netlink: 116 bytes leftover after parsing attributes in process `syz.0.164'. [ 1029.826459][ T3881] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 1032.436909][ T3881] usb 2-1: New USB device found, idVendor=1c40, idProduct=0534, bcdDevice=6d.cc [ 1032.480713][ T3881] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1032.482897][ T3881] usb 2-1: Product: syz [ 1032.484362][ T3881] usb 2-1: Manufacturer: syz [ 1032.485969][ T3881] usb 2-1: SerialNumber: syz [ 1033.007604][ T3881] usb 2-1: config 0 descriptor?? [ 1033.283100][ T3881] i2c-tiny-usb 2-1:0.0: version 6d.cc found at bus 002 address 002 [ 1035.409735][ T3881] (null): failure setting delay to 10us [ 1035.413747][ T3881] i2c-tiny-usb 2-1:0.0: probe with driver i2c-tiny-usb failed with error -5 [ 1035.751359][ T4036] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 1036.069624][ T4036] usb 1-1: Using ep0 maxpacket: 16 [ 1036.252702][ T4036] usb 1-1: New USB device found, idVendor=0d49, idProduct=7010, bcdDevice= c.90 [ 1036.254059][ T4036] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1036.255050][ T4036] usb 1-1: Product: syz [ 1036.255860][ T4036] usb 1-1: Manufacturer: syz [ 1036.256689][ T4036] usb 1-1: SerialNumber: syz [ 1036.350946][ T4036] usb 1-1: config 0 descriptor?? [ 1036.614313][ T4036] ums-onetouch 1-1:0.0: USB Mass Storage device detected [ 1044.792159][ T3881] usb 2-1: USB disconnect, device number 2 [ 1103.460948][ T4357] netlink: 8 bytes leftover after parsing attributes in process `syz.1.182'. [ 1148.006411][ T4381] netlink: 8 bytes leftover after parsing attributes in process `syz.0.190'. [ 1148.015890][ T4381] netlink: 12 bytes leftover after parsing attributes in process `syz.0.190'. [ 1148.017147][ T4381] netlink: 'syz.0.190': attribute type 25 has an invalid length. [ 1212.596116][ T3869] hid-generic 0000:0000:0000.0003: unknown main item tag 0x0 [ 1212.703965][ T3869] hid-generic 0000:0000:0000.0003: hidraw0: HID v0.00 Device [syz1] on syz0 [ 1224.073973][ T4395] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1224.380414][ T4395] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1259.250140][ T4395] hsr_slave_0: entered promiscuous mode [ 1259.323871][ T4395] hsr_slave_1: entered promiscuous mode [ 1259.344602][ T4395] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1259.345898][ T4395] Cannot create hsr debugfs directory [ 1268.556429][ T4395] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 1268.992783][ T4395] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 1269.406171][ T4395] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 1269.677036][ T4395] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 1281.762173][ T37] INFO: task kworker/u9:5:3592 blocked for more than 430 seconds. [ 1281.801146][ T37] Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0 [ 1281.802475][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1281.803659][ T37] task:kworker/u9:5 state:D stack:0 pid:3592 tgid:3592 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1281.806062][ T37] Workqueue: events_unbound bpf_map_free_deferred [ 1281.902765][ T37] Call Trace: [ 1281.904033][ T37] [] __schedule+0xe4c/0x3d70 [ 1281.905292][ T37] [] schedule+0xc4/0x324 [ 1281.906244][ T37] [] schedule_timeout+0x1c6/0x28a [ 1281.907452][ T37] [] __wait_for_common+0x1ca/0x4b6 [ 1281.987592][ T37] [] wait_for_completion+0x1a/0x22 [ 1281.992798][ T37] [] rcu_barrier+0x2dc/0x6cc [ 1281.994807][ T37] [] dev_map_free+0x11c/0x6bc [ 1281.996545][ T37] [] bpf_map_free_deferred+0x226/0x47a SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 1281.997844][ T37] [] process_one_work+0x96a/0x1f3a [ 1282.046409][ T37] [] worker_thread+0x5be/0xdc6 [ 1282.047618][ T37] [] kthread+0x37e/0x7b6 [ 1282.083275][ T37] [] ret_from_fork+0xe/0x18 [ 1282.085307][ T37] [ 1282.085307][ T37] Showing all locks held in the system: [ 1282.086536][ T37] 1 lock held by khungtaskd/37: [ 1282.087428][ T37] #0: ffffffff883d8200 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x68/0x288 [ 1282.143487][ T37] 1 lock held by syslogd/2989: [ 1282.144396][ T37] 2 locks held by getty/3142: [ 1282.145220][ T37] #0: ffffaf801b7d70a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 [ 1282.147678][ T37] #1: ffff8f800008b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xd7c/0x129a [ 1282.195769][ T37] 1 lock held by syz-executor/3169: [ 1282.196653][ T37] 2 locks held by syz-executor/3181: [ 1282.197591][ T37] 3 locks held by kworker/u9:5/3592: [ 1282.300466][ T37] #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f3a [ 1282.303394][ T37] #1: ffff8f800d607bd0 ((work_completion)(&map->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f3a [ 1282.305939][ T37] #2: ffffffff883e8380 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc [ 1282.346417][ T37] 2 locks held by kworker/1:0/3799: [ 1282.347534][ T37] 2 locks held by kworker/1:3/3812: [ 1282.360149][ T37] 2 locks held by kworker/1:4/3870: [ 1282.361408][ T37] 3 locks held by kworker/0:4/3881: [ 1282.362386][ T37] 6 locks held by kworker/0:5/4036: [ 1282.363293][ T37] #0: ffffaf80146f9948 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x848/0x1f3a [ 1282.366010][ T37] #1: ffff8f800d377bd0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f3a [ 1282.440299][ T37] #2: ffffaf801c973190 (&dev->mutex){....}-{4:4}, at: hub_event+0x1bc/0x48de [ 1282.443142][ T37] #3: ffffaf801c9b6190 (&dev->mutex){....}-{4:4}, at: __device_attach+0x8e/0x462 [ 1282.445696][ T37] #4: ffffaf8019263160 (&dev->mutex){....}-{4:4}, at: __device_attach+0x8e/0x462 [ 1282.513736][ T37] #5: ffffffff883e8380 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc [ 1282.516927][ T37] 2 locks held by kworker/1:9/4081: [ 1282.561879][ T37] 3 locks held by kworker/u9:6/4223: [ 1282.563055][ T37] 2 locks held by kworker/1:16/4351: [ 1282.563917][ T37] 1 lock held by syz.1.184/4362: [ 1282.564766][ T37] #0: ffffaf801c973190 (&dev->mutex){....}-{4:4}, at: usbdev_open+0x1c6/0x7c2 [ 1282.567272][ T37] 2 locks held by kworker/u9:7/4565: [ 1282.623022][ T37] #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f3a [ 1282.625994][ T37] #1: ffff8f8006687bd0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f3a [ 1282.680177][ T37] 1 lock held by cmp/4768: [ 1282.682481][ T37] [ 1282.683721][ T37] ============================================= [ 1282.683721][ T37] [ 1282.686151][ T37] NMI backtrace for cpu 0 [ 1282.686790][ T37] CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0 [ 1282.687343][ T37] Hardware name: riscv-virtio,qemu (DT) [ 1282.687579][ T37] Call Trace: [ 1282.687737][ T37] [] dump_backtrace+0x2e/0x3c [ 1282.688347][ T37] [] show_stack+0x30/0x3c [ 1282.688795][ T37] [] dump_stack_lvl+0x12e/0x1a6 [ 1282.689381][ T37] [] dump_stack+0x1c/0x24 [ 1282.689899][ T37] [] nmi_cpu_backtrace+0x3b0/0x3b2 [ 1282.690435][ T37] [] nmi_trigger_cpumask_backtrace+0x2b6/0x458 [ 1282.690974][ T37] [] arch_trigger_cpumask_backtrace+0x2c/0x3e [ 1282.691560][ T37] [] watchdog+0xcf2/0x11de [ 1282.692082][ T37] [] kthread+0x37e/0x7b6 [ 1282.692619][ T37] [] ret_from_fork+0xe/0x18 [ 1282.709547][ T37] Sending NMI from CPU 0 to CPUs 1: [ 1282.712179][ C1] NMI backtrace for cpu 1 [ 1282.712456][ C1] CPU: 1 UID: 0 PID: 4081 Comm: kworker/1:9 Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0 [ 1282.712734][ C1] Hardware name: riscv-virtio,qemu (DT) [ 1282.712900][ C1] Workqueue: wg-crypt-wg1 wg_packet_tx_worker [ 1282.713312][ C1] epc : validate_xmit_skb+0x6ac/0xe66 [ 1282.713679][ C1] ra : validate_xmit_skb+0xada/0xe66 [ 1282.714063][ C1] epc : ffffffff84f8f406 ra : ffffffff84f8f834 sp : ffff8f80000168f0 [ 1282.714269][ C1] gp : ffffffff89c1d3c0 tp : ffffaf801a481a40 t0 : a0a3eece51824983 [ 1282.714513][ C1] t1 : ffffaf801a482638 t2 : 000000000000032e s0 : ffff8f8000016970 [ 1282.714822][ C1] s1 : ffffaf801ca6a500 a0 : 0000000000000005 a1 : 0000000000000000 [ 1282.715008][ C1] a2 : 0000000000000000 a3 : ffffffff84f8f834 a4 : 0000000000000000 [ 1282.715203][ C1] a5 : ffffaf801a481a40 a6 : 0000000000f00000 a7 : 000000005db35943 [ 1282.715391][ C1] s2 : 00000516401d4c69 s3 : 0000000000000000 s4 : ffff8f8000016ab0 [ 1282.715631][ C1] s5 : ffffaf802f102000 s6 : 00000000000000f2 s7 : 0000000000010000 [ 1282.715836][ C1] s8 : 0000000000000022 s9 : ffffffff90fcb3a0 s10: ffff8f8000016c40 [ 1282.716088][ C1] s11: ffffaf802f102000 t3 : ffffaf801a482570 t4 : 1ffff5f0034904ad [ 1282.716279][ C1] t5 : 1ffff5f0034904cb t6 : 000000000000000d [ 1282.716468][ C1] status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001 [ 1282.716724][ C1] [] validate_xmit_skb+0x6ac/0xe66 [ 1282.717237][ C1] [] __dev_queue_xmit+0x81e/0x4a02 [ 1282.717474][ C1] [] ip_finish_output2+0xcfa/0x2772 [ 1282.717814][ C1] [] __ip_finish_output+0x378/0x60e [ 1282.718168][ C1] [] ip_finish_output+0x3a/0x34e [ 1282.718439][ C1] [] ip_output+0x18e/0x61c [ 1282.718697][ C1] [] ip_local_out+0xac/0x1a8 [ 1282.719001][ C1] [] synproxy_send_tcp.isra.0+0x3de/0x5d2 [ 1282.719376][ C1] [] synproxy_send_client_synack+0x6dc/0x8be [ 1282.719778][ C1] [] nft_synproxy_do_eval+0x8ac/0xa52 [ 1282.720144][ C1] [] nft_synproxy_eval+0x28/0x36 [ 1282.720482][ C1] [] nft_do_chain+0x328/0x1598 [ 1282.720919][ C1] [] nft_do_chain_inet+0x180/0x316 [ 1282.721267][ C1] [] nf_hook_slow+0xb8/0x1ec [ 1282.721534][ C1] [] ip_local_deliver+0x2ea/0x568 [ 1282.721779][ C1] [] ip_rcv_finish+0x1b0/0x2d2 [ 1282.722018][ C1] [] ip_rcv+0xd6/0x44e [ 1282.722255][ C1] [] __netif_receive_skb_one_core+0x106/0x16e [ 1282.722509][ C1] [] __netif_receive_skb+0x2c/0x144 [ 1282.722746][ C1] [] process_backlog+0x4f6/0x1cb0 [ 1282.722979][ C1] [] __napi_poll.constprop.0+0xaa/0x4b8 [ 1282.723290][ C1] [] net_rx_action+0xa12/0xf10 [ 1282.723530][ C1] [] handle_softirqs+0x4b2/0x132e [ 1282.723831][ C1] [] __do_softirq+0x12/0x1a [ 1282.724291][ C1] [] ___do_softirq+0x18/0x20 [ 1282.724521][ C1] [] call_on_irq_stack+0x32/0x40 [ 1283.089751][ T37] Kernel panic - not syncing: hung_task: blocked tasks [ 1283.091160][ T37] CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0 [ 1283.092096][ T37] Hardware name: riscv-virtio,qemu (DT) [ 1283.092818][ T37] Call Trace: [ 1283.093374][ T37] [] dump_backtrace+0x2e/0x3c [ 1283.094195][ T37] [] show_stack+0x30/0x3c [ 1283.094958][ T37] [] dump_stack_lvl+0x110/0x1a6 [ 1283.095949][ T37] [] dump_stack+0x1c/0x24 [ 1283.097270][ T37] [] panic+0x38c/0x86a [ 1283.098748][ T37] [] watchdog+0x78a/0x11de [ 1283.100136][ T37] [] kthread+0x37e/0x7b6 [ 1283.101498][ T37] [] ret_from_fork+0xe/0x18 [ 1283.102788][ T37] SMP: stopping secondary CPUs [ 1283.105107][ T37] Rebooting in 86400 seconds.. VM DIAGNOSIS: 22:30:53 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff80345caa mhartid 0000000000000000 mstatus 0000000a000000a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff86268630 vstvec 0000000000000000 mepc ffffffff80088636 sepc ffffffff853d00c8 vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000009 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 000000008004a000 sscratch 0000000000000000 satp 90133000000aef94 x0/zero 0000000000000000 x1/ra ffffffff80073e0a x2/sp ffff8f800d4d7040 x3/gp ffffffff89c1d3c0 x4/tp ffffaf802e470000 x5/t0 ffff8f800d4d7390 x6/t1 000000000000000f x7/t2 00000000000001d0 x8/s0 ffff8f800d4d70c0 x9/s1 ffff8f800d4d78d0 x10/a0 0000000000000007 x11/a1 ffffffff801b667a x12/a2 0000000000000002 x13/a3 ffffffff80073dda x14/a4 0000000000000000 x15/a5 ffffaf802e471000 x16/a6 0000000000000003 x17/a7 ffffffff89d24940 x18/s2 ffff8f800d4d7ee0 x19/s3 0000000000000012 x20/s4 0000000000000000 x21/s5 ffffffff86268956 x22/s6 0000000000000003 x23/s7 ffffaf803bfa9fc0 x24/s8 000000000000000a x25/s9 ffffaf803bfa9ea8 x26/s10 ffffffff90fcb3a0 x27/s11 0000000000000007 x28/t3 ffffaf802e470b30 x29/t4 fffffffef13ab574 x30/t5 fffffffef13ab575 x31/t6 000000000000000e 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 ffffffff8624358c mhartid 0000000000000001 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff86268630 vstvec 0000000000000000 mepc ffffffff804dbe82 sepc ffffffff80073df6 vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080048000 sscratch 0000000000000000 satp 9011f0000009c8e1 x0/zero 0000000000000000 x1/ra ffffffff804053b0 x2/sp ffff8f80000168b0 x3/gp ffffffff89c1d3c0 x4/tp ffffaf8018f33480 x5/t0 4b952e4da9267483 x6/t1 fffffffef13b2019 x7/t2 0000000000000005 x8/s0 ffff8f8000016a00 x9/s1 ffffaf8018f33480 x10/a0 ffffaf8018f34048 x11/a1 ffffaf8018f34050 x12/a2 0000000000000008 x13/a3 ffffffff89d5a9e0 x14/a4 0000000000000000 x15/a5 0000000000000000 x16/a6 fffff1ef00002d4d x17/a7 0000000000000003 x18/s2 1ffff5f00ddaf452 x19/s3 ffffaf806ed7a280 x20/s4 0000000000000000 x21/s5 0000000000000001 x22/s6 0000000000000000 x23/s7 0000000000000001 x24/s8 fffff5ef0ddaf459 x25/s9 ffffffff8686efc0 x26/s10 ffffaf806ed7ab20 x27/s11 fffffffef13a4928 x28/t3 ffffffff802cb7e4 x29/t4 fffff1ef00002d4c x30/t5 fffff1ef00002d4d x31/t6 0000000000000005 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