last executing test programs: 9m16.900014175s ago: executing program 0 (id=96): r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) io_setup(0x222, &(0x7f0000000180)=0x0) io_submit(r1, 0x3, &(0x7f00000000c0)=[&(0x7f0000000200)={0x0, 0x0, 0x8, 0x0, 0x0, r0, &(0x7f0000000000)='%', 0x1a000}, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0}]) 9m1.535441319s ago: executing program 0 (id=100): r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000480)={0x1, &(0x7f0000000400)=[{0x6}]}, 0x10) getsockopt$sock_buf(r0, 0x1, 0x1a, &(0x7f0000001340)=""/4096, &(0x7f0000000340)=0x1000) 8m54.18422357s ago: executing program 0 (id=103): r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000380)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@MPTCP_PM_ATTR_SUBFLOWS={0x8}]}, 0x1c}}, 0x0) 8m45.460670028s ago: executing program 0 (id=104): close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) r0 = memfd_create(&(0x7f0000000040)='security.selinux\x00\xab', 0x0) pwrite64(r0, 0x0, 0x0, 0x0) 8m33.462809781s ago: executing program 0 (id=107): mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x0, 0x200000005c832, 0xffffffffffffffff, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x7) move_pages(0x0, 0x1, &(0x7f0000000300)=[&(0x7f00001b5000/0x4000)=nil], &(0x7f0000000cc0), &(0x7f0000000380), 0x0) 7m48.215641146s ago: executing program 0 (id=112): mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x1000002, 0x200000005c831, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b7, &(0x7f0000010400)={0x0, 0x86e1, 0x101, 0x8}, &(0x7f0000010080), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000010300)=[{&(0x7f0000010100)=""/81, 0x51}], 0x1) 30.693512488s ago: executing program 1 (id=176): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000900)={0x1, &(0x7f00000008c0)=[{0x6, 0x0, 0x0, 0x7fffffff}]}) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000900)={0x1, &(0x7f00000008c0)=[{0x6, 0x0, 0x0, 0x7fffffff}]}) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000240)={0x1, &(0x7f0000000200)=[{0x6}]}) 27.549017947s ago: executing program 1 (id=177): r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x1000000000021, &(0x7f00000000c0)=0x1, 0x4) connect$inet6(r0, &(0x7f00000002c0)={0xa, 0x0, 0x0, @dev, 0x3}, 0x1c) 24.974954946s ago: executing program 1 (id=178): r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='blkio.bfq.io_wait_time_recursive\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) futex(0x0, 0x85, 0x0, 0x0, &(0x7f0000000080), 0x0) 21.724365605s ago: executing program 1 (id=179): r0 = socket(0x2, 0x3, 0x9) bind$inet(r0, &(0x7f0000000080)={0x2, 0x0, @local}, 0x10) sendmmsg$inet(r0, &(0x7f0000004780)=[{{&(0x7f0000000000)={0x2, 0x0, @multicast2}, 0x10, 0x0}}, {{&(0x7f00000031c0)={0x2, 0x0, @broadcast}, 0x10, 0x0, 0x0, &(0x7f0000000200)=[@ip_retopts={{0x2c, 0x0, 0x7, {[@timestamp_addr={0x7, 0x1c, 0x15, 0x3, 0x0, [{@local}, {@initdev={0xac, 0x1e, 0x0, 0x0}}, {@broadcast}]}]}}}], 0x30}}], 0x2, 0x0) 20.032877677s ago: executing program 1 (id=180): r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000640)=ANY=[@ANYBLOB="1201000000000010c41090ea40000000000109022400010000000009040000010301000009210000000122050009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000200)={0x24, 0x0, 0x0, &(0x7f0000000280)=ANY=[@ANYBLOB="00220500000008aa015f58"], 0x0}, 0x0) 0s ago: executing program 1 (id=181): r0 = socket$igmp(0x2, 0x3, 0x2) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000200)={'netdevsim0\x00', 0x0}) bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000600)={0x2, 0x4, 0x8, 0x1, 0x80, 0xffffffffffffffff, 0x0, '\x00', r1, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:8713' (ED25519) to the list of known hosts. syzkaller login: [ 388.892052][ T3198] cgroup: Unknown subsys name 'net' [ 389.445053][ T3198] cgroup: Unknown subsys name 'cpuset' [ 389.555391][ T3198] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 449.165972][ T3198] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 521.414994][ T3208] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 521.594657][ T3208] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 531.961127][ T3220] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 532.047314][ T3220] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 534.884184][ T3208] hsr_slave_0: entered promiscuous mode [ 534.952142][ T3208] hsr_slave_1: entered promiscuous mode [ 541.906470][ T3208] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 542.045565][ T3208] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 542.136972][ T3208] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 542.206621][ T3208] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 544.914787][ T3220] hsr_slave_0: entered promiscuous mode [ 544.975708][ T3220] hsr_slave_1: entered promiscuous mode [ 545.031899][ T3220] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 545.036177][ T3220] Cannot create hsr debugfs directory [ 550.868569][ T3220] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 550.997654][ T3220] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 551.113141][ T3220] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 551.406681][ T3220] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 554.819145][ T3208] 8021q: adding VLAN 0 to HW filter on device bond0 [ 566.996535][ T3220] 8021q: adding VLAN 0 to HW filter on device bond0 [ 598.995662][ T3208] veth0_vlan: entered promiscuous mode [ 599.289919][ T3208] veth1_vlan: entered promiscuous mode [ 601.585788][ T3208] veth0_macvtap: entered promiscuous mode [ 601.976295][ T3208] veth1_macvtap: entered promiscuous mode [ 603.511473][ T3208] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 603.514283][ T3208] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 603.515776][ T3208] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 603.517307][ T3208] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 606.423816][ T3208] 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. [ 608.238165][ T3220] veth0_vlan: entered promiscuous mode [ 608.938850][ T3220] veth1_vlan: entered promiscuous mode [ 611.024413][ T3220] veth0_macvtap: entered promiscuous mode [ 611.305795][ T3220] veth1_macvtap: entered promiscuous mode [ 612.853258][ T3220] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 612.855728][ T3220] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 612.857682][ T3220] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 612.874069][ T3220] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 617.138574][ T3904] Zero length message leads to an empty skb [ 630.543326][ T3921] netlink: 40 bytes leftover after parsing attributes in process `syz.1.11'. [ 633.832498][ T3923] netlink: 8 bytes leftover after parsing attributes in process `syz.0.12'. [ 659.295969][ T3955] ======================================================= [ 659.295969][ T3955] WARNING: The mand mount option has been deprecated and [ 659.295969][ T3955] and is ignored by this kernel. Remove the mand [ 659.295969][ T3955] option from the mount to silence this warning. [ 659.295969][ T3955] ======================================================= [ 683.673950][ T3991] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 693.994426][ T1832] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 694.378640][ T1832] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 694.385008][ T1832] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 694.390711][ T1832] usb 1-1: New USB device found, idVendor=046d, idProduct=c294, bcdDevice= 0.00 [ 694.392639][ T1832] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 694.494926][ T1832] usb 1-1: config 0 descriptor?? [ 696.409290][ T1832] logitech 0003:046D:C294.0001: unknown main item tag 0x0 [ 696.413192][ T1832] logitech 0003:046D:C294.0001: unknown main item tag 0x0 [ 696.415135][ T1832] logitech 0003:046D:C294.0001: unknown main item tag 0x0 [ 696.621985][ T1832] logitech 0003:046D:C294.0001: hidraw0: USB HID v0.00 Device [HID 046d:c294] on usb-dummy_hcd.0-1/input0 [ 696.625171][ T1832] logitech 0003:046D:C294.0001: no inputs found [ 697.010732][ T1832] usb 1-1: USB disconnect, device number 2 [ 708.976462][ T4057] Illegal XDP return value 32 on prog (id 5) dev N/A, expect packet loss! [ 802.235772][ T4105] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 802.428746][ T4105] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 830.354225][ T4105] hsr_slave_0: entered promiscuous mode [ 831.154115][ T4105] hsr_slave_1: entered promiscuous mode [ 831.265982][ T4105] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 831.268025][ T4105] Cannot create hsr debugfs directory [ 831.826041][ T4386] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 841.783886][ T4105] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 845.162655][ T4105] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 847.318596][ T4105] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 851.662567][ T4105] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 855.732563][ T4105] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 856.004800][ T4105] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 856.788188][ T4105] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 857.077257][ T4105] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 864.487160][ T4475] netlink: 8 bytes leftover after parsing attributes in process `syz.1.95'. [ 873.122305][ T4105] 8021q: adding VLAN 0 to HW filter on device bond0 [ 921.967258][ T4105] veth0_vlan: entered promiscuous mode [ 922.209348][ T4105] veth1_vlan: entered promiscuous mode [ 924.019003][ T4105] veth0_macvtap: entered promiscuous mode [ 924.127505][ T4105] veth1_macvtap: entered promiscuous mode [ 926.187124][ T4105] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 926.202734][ T4105] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 926.204588][ T4105] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 926.206383][ T4105] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1147.787801][ T4566] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1148.153689][ T4566] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1194.148115][ T4566] hsr_slave_0: entered promiscuous mode [ 1194.313183][ T4566] hsr_slave_1: entered promiscuous mode [ 1194.503810][ T4566] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1194.506088][ T4566] Cannot create hsr debugfs directory [ 1218.502688][ T3202] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 1218.787782][ T3202] usb 2-1: Using ep0 maxpacket: 16 [ 1220.335756][ T3202] usb 2-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 1220.338375][ T3202] usb 2-1: config 0 interface 0 altsetting 0 has an invalid descriptor for endpoint zero, skipping [ 1220.402373][ T3202] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x6 has an invalid bInterval 118, changing to 10 [ 1220.428463][ T3202] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x6 has invalid maxpacket 25956, setting to 1024 [ 1220.624241][ T3202] usb 2-1: New USB device found, idVendor=2040, idProduct=b138, bcdDevice= 1.42 [ 1220.642931][ T3202] usb 2-1: New USB device strings: Mfr=4, Product=0, SerialNumber=0 [ 1220.646651][ T3202] usb 2-1: Manufacturer: syz [ 1220.794069][ T3202] usb 2-1: config 0 descriptor?? [ 1220.924843][ T4914] raw-gadget.0 gadget.1: fail, usb_ep_enable returned -22 [ 1222.585348][ T3202] usbhid 2-1:0.0: couldn't find an input interrupt endpoint [ 1222.767884][ T3202] usb 2-1: USB disconnect, device number 2 [ 1230.763727][ T4566] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1315.442431][ T3202] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 1316.005641][ T3202] usb 2-1: too many endpoints for config 0 interface 0 altsetting 0: 253, using maximum allowed: 30 [ 1316.014922][ T3202] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 1316.017381][ T3202] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 1316.071074][ T3202] usb 2-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 253 [ 1316.186211][ T3202] usb 2-1: New USB device found, idVendor=05ac, idProduct=8243, bcdDevice=8b.40 [ 1316.188710][ T3202] usb 2-1: New USB device strings: Mfr=11, Product=0, SerialNumber=0 [ 1316.224799][ T3202] usb 2-1: Manufacturer: syz [ 1316.383567][ T3202] usb 2-1: config 0 descriptor?? [ 1321.433307][ T3202] appleir 0003:05AC:8243.0002: item fetching failed at offset 0/1 [ 1321.540623][ T3202] appleir 0003:05AC:8243.0002: parse failed [ 1321.544652][ T3202] appleir 0003:05AC:8243.0002: probe with driver appleir failed with error -22 [ 1322.228318][ T3202] usb 2-1: USB disconnect, device number 3 [ 1382.862877][ T3201] usb 2-1: new high-speed USB device number 4 using dummy_hcd [ 1383.672134][ T3201] usb 2-1: Using ep0 maxpacket: 16 [ 1383.965239][ T3201] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 1383.969275][ T3201] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 1384.013274][ T3201] usb 2-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 1384.017509][ T3201] usb 2-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 1384.019197][ T3201] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1384.152727][ T3201] usb 2-1: config 0 descriptor?? [ 1386.868848][ T3201] microsoft 0003:045E:07DA.0003: unknown main item tag 0x0 [ 1386.986078][ T3201] microsoft 0003:045E:07DA.0003: unknown main item tag 0x0 [ 1386.987474][ T3201] microsoft 0003:045E:07DA.0003: unknown main item tag 0x0 [ 1386.988627][ T3201] microsoft 0003:045E:07DA.0003: unknown main item tag 0x0 [ 1387.055960][ T3201] microsoft 0003:045E:07DA.0003: unknown main item tag 0x0 [ 1387.115298][ T3201] microsoft 0003:045E:07DA.0003: unknown main item tag 0x0 [ 1387.117489][ T3201] microsoft 0003:045E:07DA.0003: unknown main item tag 0x0 [ 1387.140197][ T3201] microsoft 0003:045E:07DA.0003: unknown main item tag 0x0 [ 1387.142532][ T3201] microsoft 0003:045E:07DA.0003: unknown main item tag 0x0 [ 1387.144375][ T3201] microsoft 0003:045E:07DA.0003: unknown main item tag 0x0 [ 1387.146201][ T3201] microsoft 0003:045E:07DA.0003: unknown main item tag 0x0 [ 1387.399205][ T3201] input: HID 045e:07da as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.0/0003:045E:07DA.0003/input/input0 [ 1387.786701][ T3201] microsoft 0003:045E:07DA.0003: input,hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.1-1/input0 [ 1388.358553][ T3201] usb 2-1: USB disconnect, device number 4 [ 1474.315744][ T3202] usb 2-1: new high-speed USB device number 5 using dummy_hcd [ 1474.587767][ T3202] usb 2-1: Using ep0 maxpacket: 16 [ 1474.807784][ T3202] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 1474.810420][ T3202] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 1474.837447][ T3202] usb 2-1: New USB device found, idVendor=10c4, idProduct=ea90, bcdDevice= 0.40 [ 1474.857964][ T3202] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1474.939123][ T3202] usb 2-1: config 0 descriptor?? [ 1479.544901][ T3202] cp2112 0003:10C4:EA90.0004: unbalanced delimiter at end of report description [ 1479.598405][ T3202] cp2112 0003:10C4:EA90.0004: parse failed [ 1479.622192][ T3202] cp2112 0003:10C4:EA90.0004: probe with driver cp2112 failed with error -22 [ 1479.834671][ T3202] usb 2-1: USB disconnect, device number 5 [ 1493.975500][ T37] INFO: task syz.0.107:4536 blocked for more than 430 seconds. [ 1494.033985][ T37] Not tainted 6.12.0-rc1-syzkaller-00002-gcfb10de18538 #0 [ 1494.036141][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1494.037875][ T37] task:syz.0.107 state:D stack:0 pid:4536 tgid:4534 ppid:4105 flags:0x00000002 [ 1494.122801][ T37] Call Trace: [ 1494.124632][ T37] [] __schedule+0xd5a/0x3886 [ 1494.126976][ T37] [] schedule+0xc4/0x324 [ 1494.128384][ T37] [] schedule_timeout+0x1e2/0x296 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 1494.180199][ T37] [] __wait_for_common+0x1ca/0x4b6 [ 1494.181820][ T37] [] wait_for_completion+0x1a/0x22 [ 1494.183238][ T37] [] rcu_barrier+0x2dc/0x6cc [ 1494.184520][ T37] [] netdev_run_todo+0x294/0x105e [ 1494.221092][ T37] [] rtnl_unlock+0x14/0x1c [ 1494.222747][ T37] [] tun_chr_close+0xde/0x230 [ 1494.224325][ T37] [] __fput+0x378/0x9e6 [ 1494.252673][ T37] [] ____fput+0x1c/0x26 [ 1494.255068][ T37] [] task_work_run+0x16a/0x25e [ 1494.256882][ T37] [] do_exit+0xa4c/0x2986 [ 1494.258928][ T37] [] do_group_exit+0xd4/0x26c [ 1494.315773][ T37] [] get_signal+0x1e98/0x23b0 [ 1494.356277][ T37] [] arch_do_signal_or_restart+0x8d6/0x1190 [ 1494.365903][ T37] [] syscall_exit_to_user_mode+0x2a6/0x31e [ 1494.368780][ T37] [] do_trap_ecall_u+0x86/0x216 [ 1494.395174][ T37] [] _new_vmalloc_restore_context_a0+0xc2/0xce [ 1494.398539][ T37] [ 1494.398539][ T37] Showing all locks held in the system: [ 1494.474179][ T37] 1 lock held by kworker/R-mm_pe/13: [ 1494.476114][ T37] #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x73e/0xc72 [ 1494.551081][ T37] 2 locks held by kworker/1:0/25: [ 1494.553349][ T37] 1 lock held by khungtaskd/37: [ 1494.554845][ T37] #0: ffffffff87fcc100 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x68/0x2d6 [ 1494.613713][ T37] 1 lock held by kworker/R-dm_bu/1601: [ 1494.615648][ T37] #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_attach_to_pool+0x36/0x3c4 [ 1494.682391][ T37] 2 locks held by kworker/1:2/1832: [ 1494.684305][ T37] 1 lock held by syslogd/2994: [ 1494.685953][ T37] 2 locks held by getty/3164: [ 1494.687437][ T37] #0: ff6000001bb1a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 [ 1494.733684][ T37] #1: ff2000000008b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xd7c/0x129a [ 1494.738162][ T37] 1 lock held by syz-executor/3198: [ 1494.790526][ T37] 3 locks held by kworker/0:2/3201: [ 1494.792433][ T37] 3 locks held by syz-executor/3208: [ 1494.794020][ T37] 2 locks held by kworker/R-wg-cr/3313: [ 1494.795497][ T37] 1 lock held by kworker/R-wg-cr/3318: [ 1494.796846][ T37] #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_attach_to_pool+0x36/0x3c4 [ 1494.862163][ T37] 1 lock held by kworker/R-wg-cr/3325: [ 1494.863621][ T37] #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x73e/0xc72 [ 1494.868142][ T37] 1 lock held by kworker/R-wg-cr/3487: [ 1494.921943][ T37] #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x73e/0xc72 [ 1494.925541][ T37] 1 lock held by kworker/R-wg-cr/3490: [ 1494.926546][ T37] 1 lock held by kworker/R-wg-cr/3493: [ 1494.927461][ T37] #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_attach_to_pool+0x36/0x3c4 [ 1494.990653][ T37] 2 locks held by kworker/1:3/3848: [ 1494.992581][ T37] 2 locks held by kworker/1:4/3898: [ 1494.994116][ T37] 1 lock held by syz.0.61/4083: [ 1494.995657][ T37] #0: ff600000154a8948 (mapping.invalidate_lock#2){+.+.}-{3:3}, at: blkdev_fallocate+0x1ac/0x30a [ 1495.050489][ T37] 1 lock held by kworker/R-wg-cr/4201: [ 1495.051764][ T37] 1 lock held by kworker/R-wg-cr/4219: [ 1495.052771][ T37] #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x73e/0xc72 [ 1495.056302][ T37] 2 locks held by kworker/1:1/4508: [ 1495.057317][ T37] 2 locks held by kworker/1:5/4509: [ 1495.058367][ T37] 2 locks held by kworker/1:6/4529: [ 1495.103774][ T37] 1 lock held by syz.0.107/4536: [ 1495.105502][ T37] #0: ffffffff87fdc6c0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x56/0x6cc [ 1495.108361][ T37] 2 locks held by kworker/1:7/4551: [ 1495.151601][ T37] 3 locks held by kworker/u9:0/4559: [ 1495.154431][ T37] #0: ff60000011071148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1dae [ 1495.158876][ T37] #1: ff20000005477c90 ((work_completion)(&map->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1dae [ 1495.266707][ T37] #2: ffffffff87fdc6c0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x56/0x6cc [ 1495.338666][ T37] 7 locks held by syz-executor/4566: [ 1495.341995][ T37] #0: ff6000001d3a0420 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x728/0x9b4 [ 1495.346577][ T37] #1: ff60000031f9ac88 (&of->mutex#2){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x23a/0x460 [ 1495.433133][ T37] #2: ff6000001b458788 (kn->active#4){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x258/0x460 [ 1495.437923][ T37] #3: ffffffff88c129e8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xf0/0x48c [ 1495.524534][ T37] #4: ff6000002e5450e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x9c/0x572 [ 1495.528989][ T37] #5: ff6000002e546250 (&devlink->lock_key#2){+.+.}-{3:3}, at: devl_lock+0x22/0x2c [ 1495.624542][ T37] #6: ffffffff87fdc6c0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x56/0x6cc [ 1495.627912][ T37] 2 locks held by kworker/1:8/4720: [ 1495.628823][ T37] 1 lock held by kworker/1:9/4935: [ 1495.661520][ T37] #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_attach_to_pool+0x36/0x3c4 [ 1495.665118][ T37] 2 locks held by kworker/1:10/4954: [ 1495.666046][ T37] 2 locks held by kworker/1:11/4965: [ 1495.732410][ T37] [ 1495.733828][ T37] ============================================= [ 1495.733828][ T37] [ 1495.735645][ T37] NMI backtrace for cpu 0 [ 1495.736485][ T37] CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted 6.12.0-rc1-syzkaller-00002-gcfb10de18538 #0 [ 1495.737497][ T37] Hardware name: riscv-virtio,qemu (DT) [ 1495.738181][ T37] Call Trace: [ 1495.738709][ T37] [] dump_backtrace+0x2e/0x3c [ 1495.740248][ T37] [] show_stack+0x34/0x40 [ 1495.741674][ T37] [] dump_stack_lvl+0x122/0x196 [ 1495.742661][ T37] [] dump_stack+0x1c/0x24 [ 1495.743552][ T37] [] nmi_cpu_backtrace+0x39c/0x39e [ 1495.745023][ T37] [] nmi_trigger_cpumask_backtrace+0x2b6/0x456 [ 1495.746264][ T37] [] arch_trigger_cpumask_backtrace+0x2c/0x3c [ 1495.747257][ T37] [] watchdog+0xcfa/0x1178 [ 1495.748057][ T37] [] kthread+0x28c/0x3a6 [ 1495.748870][ T37] [] ret_from_fork+0xe/0x18 [ 1495.752323][ T37] Sending NMI from CPU 0 to CPUs 1: [ 1495.754468][ C1] NMI backtrace for cpu 1 [ 1495.756227][ C1] CPU: 1 UID: 0 PID: 3313 Comm: kworker/R-wg-cr Not tainted 6.12.0-rc1-syzkaller-00002-gcfb10de18538 #0 [ 1495.757914][ C1] Hardware name: riscv-virtio,qemu (DT) [ 1495.759406][ C1] Workqueue: wg-crypt-wg0 wg_packet_encrypt_worker [ 1495.761550][ C1] epc : percpu_counter_add_batch+0x22e/0x45e [ 1495.763172][ C1] ra : percpu_counter_add_batch+0x22a/0x45e [ 1495.764749][ C1] epc : ffffffff816ff264 ra : ffffffff816ff260 sp : ff20000000017c40 [ 1495.766201][ C1] gp : ffffffff897bea80 tp : ff6000001ac18000 t0 : ff6000001ac18b20 [ 1495.767694][ C1] t1 : ffebffff064fa36b t2 : 00000000000000b9 s0 : ff20000000017cb0 [ 1495.769088][ C1] s1 : 0000000000000002 a0 : 0000000000000007 a1 : 0000000000000000 [ 1495.770645][ C1] a2 : 0000000000f00000 a3 : ffffffff816ff260 a4 : 0000000000000000 [ 1495.772101][ C1] a5 : ff6000001ac18000 a6 : 0000000000f00000 a7 : 1fec00000358316d [ 1495.773566][ C1] s2 : 0000000000000000 s3 : 0000000000000000 s4 : ffffffffffffffff [ 1495.775006][ C1] s5 : 0000000000000008 s6 : ffffffff894c5358 s7 : 0000000000000010 [ 1495.776417][ C1] s8 : ffffffff90b60b08 s9 : 0000000000000011 s10: 0000000000000010 [ 1495.777782][ C1] s11: 1fec0000064fa36b t3 : 1fec000003583163 t4 : 000000000000000a [ 1495.779299][ C1] t5 : 76a5efb94efd8395 t6 : 1fec000003583172 [ 1495.780596][ C1] status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001 [ 1495.782268][ C1] [] percpu_counter_add_batch+0x22e/0x45e [ 1495.784109][ C1] [] dst_destroy+0x3cc/0xac6 [ 1495.785582][ C1] [] dst_destroy_rcu+0x1c/0x26 [ 1495.787130][ C1] [] rcu_core+0xa24/0x1eac [ 1495.788652][ C1] [] rcu_core_si+0xc/0x14 [ 1495.790241][ C1] [] handle_softirqs+0x4a6/0x10de [ 1495.791724][ C1] [] __do_softirq+0x12/0x1a [ 1495.793361][ C1] [] ___do_softirq+0x18/0x20 [ 1495.794829][ C1] [] call_on_irq_stack+0x32/0x40 [ 1496.273570][ T37] Kernel panic - not syncing: hung_task: blocked tasks [ 1496.276004][ T37] CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted 6.12.0-rc1-syzkaller-00002-gcfb10de18538 #0 [ 1496.277739][ T37] Hardware name: riscv-virtio,qemu (DT) [ 1496.278902][ T37] Call Trace: [ 1496.280388][ T37] [] dump_backtrace+0x2e/0x3c [ 1496.282075][ T37] [] show_stack+0x34/0x40 [ 1496.283413][ T37] [] dump_stack_lvl+0x108/0x196 [ 1496.284964][ T37] [] dump_stack+0x1c/0x24 [ 1496.286469][ T37] [] panic+0x388/0x86c [ 1496.287913][ T37] [] watchdog+0x78a/0x1178 [ 1496.289326][ T37] [] kthread+0x28c/0x3a6 [ 1496.290853][ T37] [] ret_from_fork+0xe/0x18 [ 1496.292730][ T37] SMP: stopping secondary CPUs [ 1496.296438][ T37] Rebooting in 86400 seconds.. VM DIAGNOSIS: 13:03:06 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff853d2618 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 ffffffff80263280 vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000009 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080029000 sscratch 0000000000000000 satp a014c000000acb58 x0/zero 0000000000000000 x1/ra ffffffff800103c6 x2/sp ff200000000066e0 x3/gp ffffffff897bea80 x4/tp ff60000013ab1a40 x5/t0 ff60000013ab2560 x6/t1 ff60000013ab2650 x7/t2 0000000000000006 x8/s0 ff200000000066e0 x9/s1 ff20000000006820 x10/a0 0000000000000005 x11/a1 0000000000000000 x12/a2 ff20000000008000 x13/a3 ffffffff8001044e x14/a4 0000000000000000 x15/a5 ff60000013ab1a40 x16/a6 0000000000f00000 x17/a7 ffffffffa9ff833b x18/s2 0000000000000004 x19/s3 ff6000006ec26630 x20/s4 ffffffff898ba6c0 x21/s5 ff6000001d83b400 x22/s6 0000000000000000 x23/s7 ffffffff8020fff6 x24/s8 0000000000000000 x25/s9 0000000000000001 x26/s10 0000000000001fff x27/s11 ff60000013ab1a40 x28/t3 1fec0000027564ab x29/t4 0000000000000001 x30/t5 60654b1ceb1effd6 x31/t6 1fec0000027564d3 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 ffffffff80430936 mhartid 0000000000000001 mstatus 0000000a000000a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 0000000080000428 stvec ffffffff85ffc970 vstvec 0000000000000000 mepc ffffffff84d175e4 sepc ffffffff85ffb79a vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080027000 sscratch 0000000000000000 satp a020b000000addf3 x0/zero 0000000000000000 x1/ra ffffffff8049829e x2/sp ff200000000168c0 x3/gp ffffffff897bea80 x4/tp ff6000001b968000 x5/t0 ff20000000016890 x6/t1 000000000000000e x7/t2 0000000000000006 x8/s0 ff200000000169d0 x9/s1 ff6000001b968000 x10/a0 ff6000001b968008 x11/a1 0000000000000000 x12/a2 0000000000000000 x13/a3 0000000000000000 x14/a4 ff6000001b969000 x15/a5 0000000000000000 x16/a6 ffffffff8171b4ba x17/a7 0000000000000001 x18/s2 0000000000000001 x19/s3 0000000000000000 x20/s4 0000000000000000 x21/s5 0000000000000001 x22/s6 ffffffff897f7f20 x23/s7 ff6000001b968b04 x24/s8 0000000000000000 x25/s9 0000000000000001 x26/s10 0000000000000005 x27/s11 ff6000001b968000 x28/t3 1fec00000372d163 x29/t4 ffffffff86258484 x30/t5 0000000000000002 x31/t6 1fec00000372d181 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