last executing test programs: 24.436536763s ago: executing program 0 (id=499): r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000001e80)=0x6, 0x4) setsockopt$packet_rx_ring(r0, 0x107, 0x5, &(0x7f0000000040)=@req3={0x1000, 0x3a, 0x1000, 0x3a}, 0x1c) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000140)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x3f8, 0x0, 0x32}, 0x9c) bind$inet6(r1, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r1, &(0x7f0000847fff)='X', 0xfee4, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) 21.715784673s ago: executing program 0 (id=501): r0 = fsopen(&(0x7f00000003c0)='cgroup2\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) r2 = openat$cgroup_int(r1, &(0x7f0000000080)='cgroup.max.depth\x00', 0x2, 0x0) r3 = socket$inet_udp(0x2, 0x2, 0x0) write$cgroup_int(r2, &(0x7f0000000000), 0x12) sendfile(r3, r2, 0x0, 0x1) 20.427699291s ago: executing program 0 (id=502): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/sctp\x00') r1 = open_tree(r0, &(0x7f0000000640)='\x00', 0x89901) move_mount(r1, &(0x7f0000000040)='.\x00', 0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0x0) syz_open_procfs(0x0, &(0x7f0000000000)='net/sctp\x00') r2 = syz_open_procfs(0x0, &(0x7f00000020c0)='mountinfo\x00') preadv(r2, &(0x7f00000010c0)=[{&(0x7f0000000000)=""/4096, 0x1000}], 0x1, 0x0, 0x0) 18.257065094s ago: executing program 0 (id=504): r0 = gettid() r1 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000000000), 0x0) read(r1, &(0x7f0000000200)=""/209, 0xd1) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f0000000080)={0x335}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0xc05c5340, &(0x7f0000000040)) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER(r1, 0x80045300, 0x0) tkill(r0, 0x7) 12.640586619s ago: executing program 1 (id=506): r0 = syz_io_uring_setup(0x160c, &(0x7f00000002c0)={0x0, 0x0, 0x10100}, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) syz_io_uring_submit(0x0, 0x0, &(0x7f00000001c0)=@IORING_OP_RECV=@pass_buffer={0x1b, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x61}) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpu.stat\x00', 0x275a, 0x0) write$UHID_CREATE2(r3, &(0x7f00000001c0)=ANY=[@ANYBLOB=' '], 0x118) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x12, r3, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000000)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}) io_uring_enter(r0, 0x2d3e, 0x0, 0x0, 0x0, 0x0) 10.973000828s ago: executing program 1 (id=507): r0 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000000140), 0x40082) write$sndseq(r0, 0x0, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) r2 = syz_io_uring_setup(0x24f9, &(0x7f0000000080)={0x0, 0x0, 0x10100}, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) syz_io_uring_submit(r3, r4, &(0x7f00000001c0)=@IORING_OP_POLL_ADD={0x6, 0x0, 0x0, @fd_index=0x3}) io_uring_enter(r2, 0xa3d, 0x0, 0x0, 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(r1, 0x4058534c, &(0x7f00000000c0)={0x80, 0x8}) 10.21211379s ago: executing program 0 (id=508): r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$can_bcm(0x1d, 0x2, 0x2) ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f0000000100)={'vxcan0\x00', 0x0}) r3 = socket$can_raw(0x1d, 0x3, 0x1) bind$can_raw(r3, &(0x7f0000000000)={0x1d, r2}, 0x10) setsockopt$CAN_RAW_FILTER(r3, 0x65, 0x1, 0x0, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000080)=@getchain={0x24, 0x11, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r2}}, 0x24}}, 0x0) 7.380736623s ago: executing program 1 (id=509): r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000600)={0x26, 'aead\x00', 0x0, 0x0, 'gcm(aes)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000c18000)="ad56b6c5910fae9d6dcd3292ea54c7b6ef915d564c90c200", 0x18) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$alg(r1, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001840)=[@assoc={0x18, 0x117, 0x4, 0xa6}], 0x18, 0x8045}, 0x80) sendmsg$TIPC_NL_MEDIA_SET(r1, &(0x7f0000001800)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000003c80)=ANY=[], 0x12f4}}, 0x0) recvmmsg(r1, &(0x7f0000000400)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000100)=""/162, 0xa2}, {&(0x7f0000000680)=""/4096, 0x1000}], 0x2}}], 0x1, 0x0, 0x0) 5.914772406s ago: executing program 0 (id=510): r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x169802, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000006, 0x13, r1, 0x0) madvise(&(0x7f00000ec000/0x800000)=nil, 0x800000, 0x17) ioctl$BLKRRPART(r1, 0x125f, 0x0) ioctl$BLKRRPART(r1, 0x125f, 0x0) 3.984420963s ago: executing program 1 (id=511): openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x40, 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f00000000c0), 0x42, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000002140)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000100000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) read$FUSE(r0, &(0x7f00000021c0)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_INIT(r0, &(0x7f0000000040)={0x50, 0x0, r1, {0x7, 0x1f, 0x0, 0xcf543737ff523749}}, 0x50) r2 = syz_open_procfs(0x0, &(0x7f00000001c0)='mountinfo\x00') read$FUSE(r2, &(0x7f0000003480)={0x2020}, 0x2020) 2.064516229s ago: executing program 1 (id=512): r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0) ioctl$VHOST_SET_VRING_BASE(r0, 0xaf01, 0x0) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000580)={0x0, 0x1, 0x0, &(0x7f0000000100)=""/47, 0x0}) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000280)={0x1, 0x0, 0x0, &(0x7f0000000500)=""/69, 0x0}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, &(0x7f00000016c0)) ioctl$VHOST_SET_LOG_BASE(r0, 0x4008af00, &(0x7f00000000c0)) ioctl$VHOST_VSOCK_SET_RUNNING(r0, 0x4004af61, &(0x7f0000000040)=0x1) 0s ago: executing program 1 (id=513): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x1000001000104) ioctl$NBD_DO_IT(r0, 0xab03) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:2437' (ED25519) to the list of known hosts. syzkaller login: [ 367.188847][ T3183] cgroup: Unknown subsys name 'net' [ 367.621800][ T3183] cgroup: Unknown subsys name 'cpuset' [ 367.684575][ T3183] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 426.738024][ T3183] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 495.457382][ T3189] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 495.873422][ T3189] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 495.913489][ T3193] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 496.293412][ T3193] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 507.199471][ T3189] hsr_slave_0: entered promiscuous mode [ 507.232864][ T3189] hsr_slave_1: entered promiscuous mode [ 508.782227][ T3193] hsr_slave_0: entered promiscuous mode [ 508.820669][ T3193] hsr_slave_1: entered promiscuous mode [ 508.871443][ T3193] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 508.875269][ T3193] Cannot create hsr debugfs directory [ 514.905581][ T3189] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 515.218301][ T3189] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 515.342615][ T3189] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 515.423961][ T3189] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 516.855038][ T3193] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 517.109956][ T3193] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 517.353776][ T3193] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 517.533746][ T3193] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 528.198824][ T3193] 8021q: adding VLAN 0 to HW filter on device bond0 [ 528.344643][ T3189] 8021q: adding VLAN 0 to HW filter on device bond0 [ 567.910559][ T3189] veth0_vlan: entered promiscuous mode [ 568.592995][ T3189] veth1_vlan: entered promiscuous mode [ 571.108939][ T3189] veth0_macvtap: entered promiscuous mode [ 571.755506][ T3189] veth1_macvtap: entered promiscuous mode [ 572.738425][ T3193] veth0_vlan: entered promiscuous mode [ 573.959167][ T3193] veth1_vlan: entered promiscuous mode [ 575.125050][ T3189] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 575.132907][ T3189] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 575.138886][ T3189] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 575.141630][ T3189] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 578.555321][ T3193] veth0_macvtap: entered promiscuous mode [ 579.040447][ T3193] veth1_macvtap: entered promiscuous mode [ 580.043321][ T3189] 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. [ 580.390395][ T3193] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 580.392351][ T3193] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 580.394452][ T3193] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 580.398278][ T3193] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 600.291035][ T3899] mmap: syz.0.8 (3899) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst. [ 611.970486][ T11] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 613.405582][ T11] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 614.210937][ T11] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 614.812583][ T11] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 624.242109][ T11] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 624.464704][ T11] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 624.603045][ T11] bond0 (unregistering): Released all slaves [ 625.790360][ T11] hsr_slave_0: left promiscuous mode [ 625.828546][ T11] hsr_slave_1: left promiscuous mode [ 626.092502][ T11] veth1_macvtap: left promiscuous mode [ 626.096394][ T11] veth0_macvtap: left promiscuous mode [ 626.159286][ T11] veth1_vlan: left promiscuous mode [ 626.163454][ T11] veth0_vlan: left promiscuous mode [ 671.424513][ T3928] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 671.633764][ T3928] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 689.929654][ T3928] hsr_slave_0: entered promiscuous mode [ 689.971188][ T3928] hsr_slave_1: entered promiscuous mode [ 690.011784][ T3928] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 690.014250][ T3928] Cannot create hsr debugfs directory [ 703.659899][ T3928] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 703.789211][ T3928] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 703.912295][ T3928] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 704.081634][ T3928] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 709.737563][ T4326] usb usb1: Requested nonsensical USBDEVFS_URB_ZERO_PACKET. [ 715.955403][ T3928] 8021q: adding VLAN 0 to HW filter on device bond0 [ 764.203110][ T3928] veth0_vlan: entered promiscuous mode [ 764.659467][ T3928] veth1_vlan: entered promiscuous mode [ 767.653491][ T3928] veth0_macvtap: entered promiscuous mode [ 768.055335][ T3928] veth1_macvtap: entered promiscuous mode [ 768.564422][ T4406] netlink: 8 bytes leftover after parsing attributes in process `syz.0.35'. [ 768.763646][ T4406] macsec1: entered allmulticast mode [ 768.765222][ T4406] veth1_macvtap: entered allmulticast mode [ 769.214969][ T4406] netlink: 4 bytes leftover after parsing attributes in process `syz.0.35'. [ 769.609379][ T4406] veth1_macvtap (unregistering): left allmulticast mode [ 773.308819][ T3928] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 773.310541][ T3928] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 773.311995][ T3928] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 773.313329][ T3928] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 788.572782][ T4444] netlink: 'syz.1.40': attribute type 4 has an invalid length. [ 794.262083][ T3881] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 795.331010][ T3881] usb 2-1: config 27 interface 0 altsetting 0 endpoint 0x8B has an invalid bInterval 0, changing to 7 [ 795.335050][ T3881] usb 2-1: config 27 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 47 [ 795.375193][ T3881] usb 2-1: New USB device found, idVendor=0582, idProduct=0014, bcdDevice=bb.9d [ 795.384844][ T3881] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 795.689485][ T4453] raw-gadget.0 gadget.1: fail, usb_ep_enable returned -22 [ 796.175034][ T3881] usb 2-1: Quirk or no altset; falling back to MIDI 1.0 [ 801.259132][ T25] usb 2-1: USB disconnect, device number 2 [ 802.378948][ T9] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 802.788352][ T9] usb 1-1: Using ep0 maxpacket: 16 [ 802.911344][ T9] usb 1-1: config 1 contains an unexpected descriptor of type 0x2, skipping [ 802.913294][ T9] usb 1-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 802.915579][ T9] usb 1-1: config 1 has 1 interface, different from the descriptor's value: 3 [ 803.359971][ T9] usb 1-1: New USB device found, idVendor=1d6b, idProduct=0101, bcdDevice= 0.40 [ 803.362707][ T9] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 803.383429][ T9] usb 1-1: Product: syz [ 803.385506][ T9] usb 1-1: Manufacturer: syz [ 803.389660][ T9] usb 1-1: SerialNumber: syz [ 806.770195][ T9] usb 1-1: 0:2 : does not exist [ 807.730999][ T9] usb 1-1: USB disconnect, device number 2 [ 817.918762][ T4527] syz.0.47 uses obsolete (PF_INET,SOCK_PACKET) [ 859.929364][ T3878] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 860.269817][ T3878] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 860.272870][ T3878] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 860.277981][ T3878] usb 1-1: New USB device found, idVendor=10c4, idProduct=ea90, bcdDevice= 0.00 [ 860.281493][ T3878] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 860.429285][ T3878] usb 1-1: config 0 descriptor?? [ 862.119397][ T3878] cp2112 0003:10C4:EA90.0001: unknown main item tag 0x0 [ 862.342803][ T3878] cp2112 0003:10C4:EA90.0001: hidraw0: USB HID v0.00 Device [HID 10c4:ea90] on usb-dummy_hcd.0-1/input0 [ 862.473868][ T3878] cp2112 0003:10C4:EA90.0001: Part Number: 0x82 Device Version: 0xFE [ 863.042876][ T3878] cp2112 0003:10C4:EA90.0001: error setting SMBus config [ 863.171015][ T3878] cp2112 0003:10C4:EA90.0001: probe with driver cp2112 failed with error -71 [ 863.343577][ T3878] usb 1-1: USB disconnect, device number 3 [ 886.399435][ T3881] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 886.895179][ T3881] usb 2-1: New USB device found, idVendor=1a86, idProduct=7522, bcdDevice=35.36 [ 886.898908][ T3881] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 886.900330][ T3881] usb 2-1: Product: syz [ 886.901420][ T3881] usb 2-1: Manufacturer: syz [ 886.902526][ T3881] usb 2-1: SerialNumber: syz [ 887.043493][ T3881] usb 2-1: config 0 descriptor?? [ 887.129714][ T3881] ch341 2-1:0.0: ch341-uart converter detected [ 888.512322][ T3881] usb 2-1: failed to receive control message: -110 [ 888.514113][ T3881] ch341-uart ttyUSB0: probe with driver ch341-uart failed with error -110 [ 890.699808][ T25] usb 2-1: USB disconnect, device number 3 [ 890.771660][ T25] ch341 2-1:0.0: device disconnected [ 891.875617][ T4639] input: syz0 as /devices/virtual/input/input0 [ 895.300879][ T4645] binder: 4644:4645 ioctl c0306201 0 returned -14 [ 897.255029][ T4647] capability: warning: `syz.0.76' uses 32-bit capabilities (legacy support in use) [ 918.293083][ T4680] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 935.428110][ T3877] usb 2-1: new high-speed USB device number 4 using dummy_hcd [ 935.768866][ T3877] usb 2-1: config 0 interface 0 altsetting 0 has an endpoint descriptor with address 0xFF, changing to 0x8F [ 935.770632][ T3877] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x8F has an invalid bInterval 0, changing to 7 [ 935.772002][ T3877] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x8F has invalid wMaxPacketSize 0 [ 935.774187][ T3877] usb 2-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 21 [ 935.820188][ T3877] usb 2-1: New USB device found, idVendor=047f, idProduct=ffff, bcdDevice= 0.00 [ 935.821539][ T3877] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 935.904682][ T3877] usb 2-1: config 0 descriptor?? [ 938.094526][ T3877] plantronics 0003:047F:FFFF.0002: ignoring exceeding usage max [ 938.248091][ T3877] plantronics 0003:047F:FFFF.0002: No inputs registered, leaving [ 938.441503][ T3877] plantronics 0003:047F:FFFF.0002: hiddev0,hidraw0: USB HID v0.40 Device [HID 047f:ffff] on usb-dummy_hcd.1-1/input0 [ 942.840113][ T3819] usb 2-1: USB disconnect, device number 4 [ 998.780450][ T4500] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 999.098217][ T4500] usb 1-1: Using ep0 maxpacket: 16 [ 999.190189][ T4500] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 999.193042][ T4500] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 999.225497][ T4500] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 999.240088][ T4500] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 999.518275][ T4500] usb 1-1: config 0 descriptor?? [ 1001.381677][ T4500] HID 045e:07da: Invalid code 65791 type 1 [ 1001.558869][ T4500] input: HID 045e:07da as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/0003:045E:07DA.0003/input/input1 [ 1001.714735][ T4500] microsoft 0003:045E:07DA.0003: input,hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.0-1/input0 [ 1005.913611][ T4818] process 'syz.1.126' launched './file2' with NULL argv: empty string added [ 1014.334380][ T25] usb 1-1: USB disconnect, device number 4 [ 1032.162597][ T4856] Zero length message leads to an empty skb [ 1032.940441][ T4858] input: syz0 as /devices/virtual/input/input2 [ 1039.718466][ T4873] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 1053.457141][ T34] audit: type=1326 audit(1052.720:2): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=4888 comm="syz.1.150" exe="/syz-executor" sig=0 arch=c00000f3 syscall=98 compat=0 ip=0xdb5be code=0x7fc00000 [ 1053.692513][ T34] audit: type=1326 audit(1052.920:3): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=4888 comm="syz.1.150" exe="/syz-executor" sig=0 arch=c00000f3 syscall=20 compat=0 ip=0xdb5be code=0x7fc00000 [ 1053.787986][ T34] audit: type=1326 audit(1053.050:4): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=4888 comm="syz.1.150" exe="/syz-executor" sig=0 arch=c00000f3 syscall=98 compat=0 ip=0xdb5be code=0x7fc00000 [ 1058.963143][ T4896] netdevsim netdevsim0 netdevsim0: set [0, 0] type 1 family 0 port 8472 - 0 [ 1058.968907][ T4896] netdevsim netdevsim0 netdevsim1: set [0, 0] type 1 family 0 port 8472 - 0 [ 1058.971321][ T4896] netdevsim netdevsim0 netdevsim2: set [0, 0] type 1 family 0 port 8472 - 0 [ 1058.973732][ T4896] netdevsim netdevsim0 netdevsim3: set [0, 0] type 1 family 0 port 8472 - 0 [ 1059.943599][ T4896] netdevsim netdevsim0 netdevsim0: unset [0, 0] type 1 family 0 port 8472 - 0 [ 1059.950784][ T4896] netdevsim netdevsim0 netdevsim0: unset [1, 0] type 2 family 0 port 6081 - 0 [ 1079.539758][ T4936] syzkaller0: entered promiscuous mode [ 1079.541396][ T4936] syzkaller0: entered allmulticast mode [ 1086.602452][ T3819] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 1086.913332][ T3819] usb 1-1: Using ep0 maxpacket: 32 [ 1087.922298][ T3819] usb 1-1: unable to get BOS descriptor or descriptor too short [ 1087.938687][ T3819] usb 1-1: unable to read config index 0 descriptor/start: -71 [ 1087.941494][ T3819] usb 1-1: can't read configurations, error -71 [ 1111.244076][ T3819] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 1111.497550][ T3819] usb 1-1: Using ep0 maxpacket: 32 [ 1116.819119][ T3819] usb 1-1: unable to get BOS descriptor or descriptor too short [ 1116.843635][ T3819] usb 1-1: unable to read config index 0 descriptor/start: -32 [ 1116.857365][ T3819] usb 1-1: chopping to 0 config(s) [ 1116.859803][ T3819] usb 1-1: can't read configurations, error -32 [ 1117.220022][ T3819] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 1117.469388][ T3819] usb 1-1: device descriptor read/64, error -32 [ 1117.729684][ T3819] usb usb1-port1: attempt power cycle [ 1131.383543][ T5042] syzkaller0: entered promiscuous mode [ 1131.390929][ T5042] syzkaller0: entered allmulticast mode [ 1131.624119][ T5042] PF_CAN: dropped non conform CAN FD skbuff: dev type 65534, len 65487 [ 1135.852170][ T5050] dvmrp1: entered allmulticast mode [ 1143.774979][ T5063] binder: 5062:5063 ioctl c0306201 20000280 returned -14 [ 1164.597972][ T5103] input: syz1 as /devices/virtual/input/input3 [ 1200.270872][ T3819] usb 1-1: new high-speed USB device number 10 using dummy_hcd [ 1200.614692][ T3819] usb 1-1: Using ep0 maxpacket: 16 [ 1200.762063][ T3819] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 1200.764946][ T3819] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 1200.781619][ T3819] usb 1-1: New USB device found, idVendor=05ac, idProduct=8241, bcdDevice= 0.00 [ 1200.783386][ T3819] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1200.857986][ T3819] usb 1-1: config 0 descriptor?? [ 1202.492241][ T3819] appleir 0003:05AC:8241.0004: unknown main item tag 0x0 [ 1202.493799][ T3819] appleir 0003:05AC:8241.0004: unknown main item tag 0x0 [ 1202.495085][ T3819] appleir 0003:05AC:8241.0004: unknown main item tag 0x0 [ 1202.509321][ T3819] appleir 0003:05AC:8241.0004: unknown main item tag 0x0 [ 1202.510845][ T3819] appleir 0003:05AC:8241.0004: unknown main item tag 0x0 [ 1202.537162][ T3819] appleir 0003:05AC:8241.0004: No inputs registered, leaving [ 1202.718423][ T3819] appleir 0003:05AC:8241.0004: hiddev0,hidraw0: USB HID v0.00 Device [HID 05ac:8241] on usb-dummy_hcd.0-1/input0 [ 1203.203236][ T3819] usb 1-1: USB disconnect, device number 10 [ 1245.149489][ T5350] hsr0: entered promiscuous mode [ 1246.037573][ T5351] gtp0: entered promiscuous mode [ 1287.847986][ T5371] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1287.942912][ T5371] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1299.422812][ T5371] hsr_slave_0: entered promiscuous mode [ 1299.508541][ T5371] hsr_slave_1: entered promiscuous mode [ 1299.562969][ T5371] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1299.565251][ T5371] Cannot create hsr debugfs directory [ 1305.641502][ T5371] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1306.780811][ T5371] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1307.374716][ T5371] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1308.631773][ T5371] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1311.952601][ T5371] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 1312.158820][ T5371] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 1312.360249][ T5371] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 1312.529544][ T5371] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 1322.502972][ T5371] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1351.227021][ T5371] veth0_vlan: entered promiscuous mode [ 1351.469136][ T5371] veth1_vlan: entered promiscuous mode [ 1352.711116][ T5371] veth0_macvtap: entered promiscuous mode [ 1352.879401][ T5371] veth1_macvtap: entered promiscuous mode [ 1354.410146][ T5371] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1354.411749][ T5371] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1354.413109][ T5371] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1354.414636][ T5371] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1365.798567][ T5781] netlink: 'syz.1.263': attribute type 15 has an invalid length. [ 1374.792160][ T5798] Invalid ELF header len 5 [ 1410.039630][ T5574] usb 2-1: new high-speed USB device number 5 using dummy_hcd [ 1410.269018][ T5574] usb 2-1: Using ep0 maxpacket: 8 [ 1410.827969][ T5574] usb 2-1: New USB device found, idVendor=0fe6, idProduct=9700, bcdDevice=6f.22 [ 1410.832985][ T5574] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1410.834437][ T5574] usb 2-1: Product: syz [ 1410.835421][ T5574] usb 2-1: Manufacturer: syz [ 1410.837445][ T5574] usb 2-1: SerialNumber: syz [ 1410.909653][ T5574] usb 2-1: config 0 descriptor?? [ 1411.004950][ T5574] dm9601 2-1:0.0: probe with driver dm9601 failed with error -22 [ 1411.023238][ T5574] sr9700 2-1:0.0: probe with driver sr9700 failed with error -22 [ 1426.330943][ T3881] usb 2-1: USB disconnect, device number 5 [ 1445.039570][ T5872] netlink: 8 bytes leftover after parsing attributes in process `syz.0.290'. [ 1447.905202][ T5877] trusted_key: syz.1.293 sent an empty control message without MSG_MORE. [ 1450.061654][ T34] audit: type=1326 audit(1449.310:5): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=5878 comm="syz.1.294" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xdb5be code=0x0 [ 1479.383848][ T5921] netlink: 4 bytes leftover after parsing attributes in process `syz.1.309'. [ 1506.427157][ T34] audit: type=1326 audit(1505.650:6): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=5951 comm="syz.1.323" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xdb5be code=0x0 [ 1520.275084][ T5970] netlink: 148 bytes leftover after parsing attributes in process `syz.0.327'. [ 1566.824116][ T6026] af_packet: tpacket_rcv: packet too big, clamped from 212960 to 3952. macoff=96 [ 1578.661661][ T6042] block nbd1: shutting down sockets [ 1647.355354][ T6120] loop0: detected capacity change from 0 to 7 [ 1708.293443][ T6189] input: syz0 as /devices/virtual/input/input4 [ 1717.445570][ T6210] netlink: 96 bytes leftover after parsing attributes in process `syz.1.406'. [ 1737.131967][ T6245] netlink: 8 bytes leftover after parsing attributes in process `syz.1.414'. [ 1737.443429][ T6245] macsec1: entered allmulticast mode [ 1737.444737][ T6245] veth1_macvtap: entered allmulticast mode [ 1738.013471][ T6245] netlink: 4 bytes leftover after parsing attributes in process `syz.1.414'. [ 1738.779940][ T6245] veth1_macvtap (unregistering): left allmulticast mode [ 1786.078394][ T5575] usb 2-1: new high-speed USB device number 6 using dummy_hcd [ 1786.417696][ T5575] usb 2-1: Using ep0 maxpacket: 16 [ 1786.509128][ T5575] usb 2-1: config 0 interface 0 altsetting 16 endpoint 0x81 has invalid wMaxPacketSize 0 [ 1786.510972][ T5575] usb 2-1: config 0 interface 0 altsetting 16 has 1 endpoint descriptor, different from the interface descriptor's value: 5 [ 1786.512720][ T5575] usb 2-1: config 0 interface 0 has no altsetting 0 [ 1786.515043][ T5575] usb 2-1: New USB device found, idVendor=1e71, idProduct=2010, bcdDevice= 0.00 [ 1786.531866][ T5575] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1786.720382][ T5575] usb 2-1: config 0 descriptor?? [ 1792.189841][ T5575] usbhid 2-1:0.0: can't add hid device: -32 [ 1792.193271][ T5575] usbhid 2-1:0.0: probe with driver usbhid failed with error -32 [ 1795.189951][ T34] audit: type=1326 audit(1794.400:7): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=6348 comm="syz.0.438" exe="/syz-executor" sig=0 arch=c00000f3 syscall=98 compat=0 ip=0xdb5be code=0x7fc00000 [ 1796.298289][ T34] audit: type=1326 audit(1795.560:8): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=6348 comm="syz.0.438" exe="/syz-executor" sig=0 arch=c00000f3 syscall=29 compat=0 ip=0xdb5be code=0x7fc00000 [ 1796.334144][ T34] audit: type=1326 audit(1795.560:9): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=6348 comm="syz.0.438" exe="/syz-executor" sig=0 arch=c00000f3 syscall=98 compat=0 ip=0xdb5be code=0x7fc00000 [ 1798.660103][ T6345] usb 2-1: USB disconnect, device number 6 [ 1804.754866][ T6368] netlink: 'syz.1.440': attribute type 1 has an invalid length. [ 1837.621896][ T6421] netlink: 28 bytes leftover after parsing attributes in process `syz.0.460'. [ 1841.291475][ T6425] input: syz1 as /devices/virtual/input/input5 [ 1841.879619][ T5574] usb 1-1: new high-speed USB device number 11 using dummy_hcd [ 1842.119650][ T5574] usb 1-1: Using ep0 maxpacket: 8 [ 1842.454241][ T5574] usb 1-1: New USB device found, idVendor=046d, idProduct=0896, bcdDevice=3a.11 [ 1842.460879][ T5574] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1842.463105][ T5574] usb 1-1: Product: syz [ 1842.465253][ T5574] usb 1-1: Manufacturer: syz [ 1842.468634][ T5574] usb 1-1: SerialNumber: syz [ 1842.597805][ T5574] usb 1-1: config 0 descriptor?? [ 1843.604245][ T6427] netlink: 28 bytes leftover after parsing attributes in process `syz.0.462'. [ 1843.608757][ T6427] netlink: 'syz.0.462': attribute type 7 has an invalid length. [ 1843.610145][ T6427] netlink: 'syz.0.462': attribute type 8 has an invalid length. [ 1843.611355][ T6427] netlink: 4 bytes leftover after parsing attributes in process `syz.0.462'. [ 1843.774948][ T25] usb 1-1: USB disconnect, device number 11 [ 1873.923698][ T6039] block nbd1: Receive control failed (result -107) [ 1874.280732][ T6492] nbd1: detected capacity change from 0 to 15960 [ 1874.493043][ T6492] block nbd1: Dead connection, failed to find a fallback [ 1874.497969][ T6492] block nbd1: shutting down sockets [ 1874.502923][ T6492] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 1874.509581][ T6492] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1874.533077][ T6492] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 1874.560821][ T6492] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1874.600394][ T6492] nbd1: unable to read partition table [ 1874.787084][ T6492] I/O error, dev nbd1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 1874.790306][ T6492] Buffer I/O error on dev nbd1, logical block 0, async page read [ 1923.922228][ T6552] netlink: 4 bytes leftover after parsing attributes in process `syz.0.497'. [ 1933.491517][ T6577] binder: 6575:6577 ioctl c0306201 0 returned -14 [ 1951.764592][ T6608] netlink: 4 bytes leftover after parsing attributes in process `syz.0.508'. [ 1962.170244][ T6627] [ 1962.171780][ T6627] ====================================================== [ 1962.173093][ T6627] WARNING: possible circular locking dependency detected [ 1962.175361][ T6627] 6.13.0-rc2-syzkaller-g21f1b85c8912 #0 Not tainted [ 1962.178567][ T6627] ------------------------------------------------------ [ 1962.180078][ T6627] syz.1.513/6627 is trying to acquire lock: [ 1962.181652][ T6627] ff60000019d97590 (set->srcu){.+.+}-{0:0}, at: __synchronize_srcu+0x0/0x292 [ 1962.187641][ T6627] [ 1962.187641][ T6627] but task is already holding lock: [ 1962.189082][ T6627] ff60000019e7a310 (&q->sysfs_lock){+.+.}-{4:4}, at: __blk_mq_update_nr_hw_queues+0x41e/0x1326 [ 1962.192469][ T6627] [ 1962.192469][ T6627] which lock already depends on the new lock. [ 1962.192469][ T6627] [ 1962.194247][ T6627] [ 1962.194247][ T6627] the existing dependency chain (in reverse order) is: [ 1962.195962][ T6627] [ 1962.195962][ T6627] -> #7 (&q->sysfs_lock){+.+.}-{4:4}: [ 1962.198735][ T6627] lock_acquire.part.0+0x2c4/0x81a [ 1962.200594][ T6627] lock_acquire+0x74/0x98 [ 1962.202221][ T6627] __mutex_lock+0x166/0x1082 [ 1962.203739][ T6627] mutex_lock_nested+0x14/0x1c [ 1962.205713][ T6627] __blk_mq_update_nr_hw_queues+0x41e/0x1326 [ 1962.207471][ T6627] blk_mq_update_nr_hw_queues+0x32/0x4a [ 1962.209262][ T6627] nbd_start_device+0x140/0xc00 [ 1962.210893][ T6627] nbd_ioctl+0x474/0xd90 [ 1962.212419][ T6627] blkdev_ioctl+0x23c/0xca0 [ 1962.214125][ T6627] __riscv_sys_ioctl+0x18e/0x1e2 [ 1962.215780][ T6627] syscall_handler+0x94/0x118 [ 1962.217371][ T6627] do_trap_ecall_u+0x1aa/0x216 [ 1962.219036][ T6627] _new_vmalloc_restore_context_a0+0xc2/0xce [ 1962.221129][ T6627] [ 1962.221129][ T6627] -> #6 (&q->q_usage_counter(io)#20){++++}-{0:0}: [ 1962.224110][ T6627] lock_acquire.part.0+0x2c4/0x81a [ 1962.225828][ T6627] lock_acquire+0x74/0x98 [ 1962.227474][ T6627] blk_mq_submit_bio+0x20d2/0x26be [ 1962.229039][ T6627] __submit_bio+0x32e/0x492 [ 1962.230637][ T6627] submit_bio_noacct_nocheck+0x740/0xe36 [ 1962.233602][ T6627] submit_bio_noacct+0xa96/0x1e04 [ 1962.235534][ T6627] submit_bio+0xc8/0x4f2 [ 1962.237144][ T6627] submit_bh_wbc+0x42a/0x5a8 [ 1962.238668][ T6627] block_read_full_folio+0x6e6/0x90a [ 1962.240241][ T6627] blkdev_read_folio+0x26/0x30 [ 1962.241752][ T6627] filemap_read_folio+0xc2/0x272 [ 1962.243270][ T6627] filemap_get_pages+0x126c/0x1ba0 [ 1962.245382][ T6627] filemap_read+0x366/0xc52 [ 1962.246980][ T6627] blkdev_read_iter+0x164/0x416 [ 1962.248550][ T6627] do_iter_readv_writev+0x55a/0x686 [ 1962.250177][ T6627] vfs_readv+0x414/0x70c [ 1962.251436][ T6627] do_preadv+0x1b4/0x250 [ 1962.252668][ T6627] __riscv_sys_preadv+0x88/0xc4 [ 1962.254035][ T6627] syscall_handler+0x94/0x118 [ 1962.255346][ T6627] do_trap_ecall_u+0x1aa/0x216 [ 1962.256983][ T6627] _new_vmalloc_restore_context_a0+0xc2/0xce [ 1962.258989][ T6627] [ 1962.258989][ T6627] -> #5 (mapping.invalidate_lock#2){.+.+}-{4:4}: [ 1962.261590][ T6627] lock_acquire.part.0+0x2c4/0x81a [ 1962.263247][ T6627] lock_acquire+0x74/0x98 [ 1962.264720][ T6627] down_read+0xa4/0x45e [ 1962.266210][ T6627] filemap_fault+0x8ca/0x2c46 [ 1962.267816][ T6627] __do_fault+0xf4/0x4de [ 1962.269158][ T6627] __handle_mm_fault+0x1770/0x4292 [ 1962.270682][ T6627] handle_mm_fault+0x48c/0x886 [ 1962.272081][ T6627] __get_user_pages+0xb7a/0x35ec [ 1962.273435][ T6627] faultin_page_range+0x246/0x932 [ 1962.274876][ T6627] do_madvise+0x5ce/0x7f2 [ 1962.276885][ T6627] __riscv_sys_madvise+0x88/0xdc [ 1962.278277][ T6627] syscall_handler+0x94/0x118 [ 1962.279715][ T6627] do_trap_ecall_u+0x1aa/0x216 [ 1962.281394][ T6627] _new_vmalloc_restore_context_a0+0xc2/0xce [ 1962.283016][ T6627] [ 1962.283016][ T6627] -> #4 (&mm->mmap_lock){++++}-{4:4}: [ 1962.285402][ T6627] lock_acquire.part.0+0x2c4/0x81a [ 1962.287104][ T6627] lock_acquire+0x74/0x98 [ 1962.288563][ T6627] __might_fault+0xdc/0x138 [ 1962.290227][ T6627] _copy_from_iter+0x120/0x1a38 [ 1962.291598][ T6627] tcp_sendmsg_locked+0x247e/0x3696 [ 1962.293009][ T6627] tcp_sendmsg+0x32/0x4e [ 1962.294388][ T6627] inet_sendmsg+0x9c/0xda [ 1962.296884][ T6627] __sock_sendmsg+0xcc/0x160 [ 1962.298465][ T6627] sock_write_iter+0x2a0/0x3ba [ 1962.299902][ T6627] vfs_write+0x56c/0xa94 [ 1962.301249][ T6627] ksys_write+0x200/0x226 [ 1962.302718][ T6627] __riscv_sys_write+0x6e/0x94 [ 1962.304159][ T6627] syscall_handler+0x94/0x118 [ 1962.305722][ T6627] do_trap_ecall_u+0x1aa/0x216 [ 1962.307415][ T6627] _new_vmalloc_restore_context_a0+0xc2/0xce [ 1962.309251][ T6627] [ 1962.309251][ T6627] -> #3 (sk_lock-AF_INET){+.+.}-{0:0}: [ 1962.311706][ T6627] lock_acquire.part.0+0x2c4/0x81a [ 1962.313420][ T6627] lock_acquire+0x74/0x98 [ 1962.315052][ T6627] lock_sock_nested+0x38/0xf6 [ 1962.316799][ T6627] inet_shutdown+0x6c/0x41c [ 1962.318341][ T6627] kernel_sock_shutdown+0x58/0x7a [ 1962.320595][ T6627] nbd_mark_nsock_dead+0xb4/0x520 [ 1962.322174][ T6627] recv_work+0x680/0x9d2 [ 1962.323708][ T6627] process_one_work+0x968/0x1f38 [ 1962.325245][ T6627] worker_thread+0x5be/0xdc6 [ 1962.326904][ T6627] kthread+0x28c/0x3a4 [ 1962.328175][ T6627] ret_from_fork+0xe/0x18 [ 1962.329615][ T6627] [ 1962.329615][ T6627] -> #2 (&nsock->tx_lock){+.+.}-{4:4}: [ 1962.331979][ T6627] lock_acquire.part.0+0x2c4/0x81a [ 1962.333697][ T6627] lock_acquire+0x74/0x98 [ 1962.335400][ T6627] __mutex_lock+0x166/0x1082 [ 1962.336809][ T6627] mutex_lock_nested+0x14/0x1c [ 1962.338237][ T6627] nbd_queue_rq+0x3b8/0xe6a [ 1962.339717][ T6627] blk_mq_dispatch_rq_list+0x3f0/0x1ab6 [ 1962.341893][ T6627] __blk_mq_sched_dispatch_requests+0xaee/0x1370 [ 1962.343726][ T6627] blk_mq_sched_dispatch_requests+0xb6/0x17c [ 1962.345705][ T6627] blk_mq_run_hw_queue+0x28c/0x6ba [ 1962.347346][ T6627] blk_mq_flush_plug_list+0x63c/0x1ebe [ 1962.348883][ T6627] __blk_flush_plug+0x270/0x422 [ 1962.350367][ T6627] __submit_bio+0x3ac/0x492 [ 1962.351761][ T6627] submit_bio_noacct_nocheck+0x740/0xe36 [ 1962.353331][ T6627] submit_bio_noacct+0xa96/0x1e04 [ 1962.354912][ T6627] submit_bio+0xc8/0x4f2 [ 1962.356483][ T6627] submit_bh_wbc+0x42a/0x5a8 [ 1962.358611][ T6627] block_read_full_folio+0x6e6/0x90a [ 1962.360287][ T6627] blkdev_read_folio+0x26/0x30 [ 1962.361842][ T6627] filemap_read_folio+0xc2/0x272 [ 1962.363401][ T6627] do_read_cache_folio+0x1e6/0x4d2 [ 1962.365035][ T6627] read_cache_folio+0x4e/0x68 [ 1962.366772][ T6627] read_part_sector+0xc0/0x44e [ 1962.368261][ T6627] read_lba+0x1c8/0x344 [ 1962.369720][ T6627] find_valid_gpt.constprop.0+0x206/0x22f2 [ 1962.371878][ T6627] efi_partition+0x10a/0xa14 [ 1962.373406][ T6627] bdev_disk_changed+0x5de/0x139c [ 1962.375699][ T6627] blkdev_get_whole+0x17c/0x514 [ 1962.377125][ T6627] bdev_open+0x86a/0xfa8 [ 1962.378546][ T6627] blkdev_open+0x2e2/0x396 [ 1962.379954][ T6627] do_dentry_open+0xe8e/0x1946 [ 1962.381537][ T6627] vfs_open+0xbe/0x37c [ 1962.383040][ T6627] path_openat+0x1b70/0x28c2 [ 1962.384660][ T6627] do_filp_open+0x19c/0x35c [ 1962.386301][ T6627] do_sys_openat2+0x174/0x1ca [ 1962.388008][ T6627] __riscv_sys_openat+0x178/0x1fe [ 1962.389448][ T6627] syscall_handler+0x94/0x118 [ 1962.390887][ T6627] do_trap_ecall_u+0x1aa/0x216 [ 1962.392299][ T6627] _new_vmalloc_restore_context_a0+0xc2/0xce [ 1962.393823][ T6627] [ 1962.393823][ T6627] -> #1 (&cmd->lock){+.+.}-{4:4}: [ 1962.396264][ T6627] lock_acquire.part.0+0x2c4/0x81a [ 1962.397975][ T6627] lock_acquire+0x74/0x98 [ 1962.399442][ T6627] __mutex_lock+0x166/0x1082 [ 1962.400752][ T6627] mutex_lock_nested+0x14/0x1c [ 1962.402149][ T6627] nbd_queue_rq+0xbc/0xe6a [ 1962.403502][ T6627] blk_mq_dispatch_rq_list+0x3f0/0x1ab6 [ 1962.404915][ T6627] __blk_mq_sched_dispatch_requests+0xaee/0x1370 [ 1962.407084][ T6627] blk_mq_sched_dispatch_requests+0xb6/0x17c [ 1962.408538][ T6627] blk_mq_run_hw_queue+0x28c/0x6ba [ 1962.410101][ T6627] blk_mq_flush_plug_list+0x63c/0x1ebe [ 1962.411542][ T6627] __blk_flush_plug+0x270/0x422 [ 1962.412928][ T6627] __submit_bio+0x3ac/0x492 [ 1962.414232][ T6627] submit_bio_noacct_nocheck+0x740/0xe36 [ 1962.415627][ T6627] submit_bio_noacct+0xa96/0x1e04 [ 1962.417145][ T6627] submit_bio+0xc8/0x4f2 [ 1962.419171][ T6627] submit_bh_wbc+0x42a/0x5a8 [ 1962.420688][ T6627] block_read_full_folio+0x6e6/0x90a [ 1962.423534][ T6627] blkdev_read_folio+0x26/0x30 [ 1962.425456][ T6627] filemap_read_folio+0xc2/0x272 [ 1962.427021][ T6627] do_read_cache_folio+0x1e6/0x4d2 [ 1962.428771][ T6627] read_cache_folio+0x4e/0x68 [ 1962.430407][ T6627] read_part_sector+0xc0/0x44e [ 1962.431882][ T6627] read_lba+0x1c8/0x344 [ 1962.433367][ T6627] find_valid_gpt.constprop.0+0x206/0x22f2 [ 1962.435099][ T6627] efi_partition+0x10a/0xa14 [ 1962.438160][ T6627] bdev_disk_changed+0x5de/0x139c [ 1962.439771][ T6627] blkdev_get_whole+0x17c/0x514 [ 1962.441279][ T6627] bdev_open+0x86a/0xfa8 [ 1962.442761][ T6627] blkdev_open+0x2e2/0x396 [ 1962.444579][ T6627] do_dentry_open+0xe8e/0x1946 [ 1962.446486][ T6627] vfs_open+0xbe/0x37c [ 1962.447911][ T6627] path_openat+0x1b70/0x28c2 [ 1962.449330][ T6627] do_filp_open+0x19c/0x35c [ 1962.450898][ T6627] do_sys_openat2+0x174/0x1ca [ 1962.452414][ T6627] __riscv_sys_openat+0x178/0x1fe [ 1962.454010][ T6627] syscall_handler+0x94/0x118 [ 1962.455319][ T6627] do_trap_ecall_u+0x1aa/0x216 [ 1962.457122][ T6627] _new_vmalloc_restore_context_a0+0xc2/0xce [ 1962.459564][ T6627] [ 1962.459564][ T6627] -> #0 (set->srcu){.+.+}-{0:0}: [ 1962.461955][ T6627] check_noncircular+0x2ba/0x354 [ 1962.463498][ T6627] __lock_acquire+0x2e4e/0x8594 [ 1962.464982][ T6627] lock_sync+0x286/0x504 [ 1962.467319][ T6627] __synchronize_srcu+0xd4/0x292 [ 1962.468917][ T6627] synchronize_srcu+0x172/0x414 [ 1962.470641][ T6627] blk_mq_quiesce_queue+0x12e/0x19e [ 1962.472833][ T6627] elevator_disable+0x76/0x1e8 [ 1962.474403][ T6627] __blk_mq_update_nr_hw_queues+0x390/0x1326 [ 1962.476634][ T6627] blk_mq_update_nr_hw_queues+0x32/0x4a [ 1962.478361][ T6627] nbd_start_device+0x140/0xc00 [ 1962.480146][ T6627] nbd_ioctl+0x474/0xd90 [ 1962.481728][ T6627] blkdev_ioctl+0x23c/0xca0 [ 1962.483305][ T6627] __riscv_sys_ioctl+0x18e/0x1e2 [ 1962.484818][ T6627] syscall_handler+0x94/0x118 [ 1962.486614][ T6627] do_trap_ecall_u+0x1aa/0x216 [ 1962.488108][ T6627] _new_vmalloc_restore_context_a0+0xc2/0xce [ 1962.489859][ T6627] [ 1962.489859][ T6627] other info that might help us debug this: [ 1962.489859][ T6627] [ 1962.492686][ T6627] Chain exists of: [ 1962.492686][ T6627] set->srcu --> &q->q_usage_counter(io)#20 --> &q->sysfs_lock [ 1962.492686][ T6627] [ 1962.497006][ T6627] Possible unsafe locking scenario: [ 1962.497006][ T6627] [ 1962.498355][ T6627] CPU0 CPU1 [ 1962.499525][ T6627] ---- ---- [ 1962.500677][ T6627] lock(&q->sysfs_lock); [ 1962.502161][ T6627] lock(&q->q_usage_counter(io)#20); [ 1962.504045][ T6627] lock(&q->sysfs_lock); [ 1962.505599][ T6627] sync(set->srcu); [ 1962.507075][ T6627] [ 1962.507075][ T6627] *** DEADLOCK *** [ 1962.507075][ T6627] [ 1962.508306][ T6627] 5 locks held by syz.1.513/6627: [ 1962.509429][ T6627] #0: ff60000015334998 (&nbd->config_lock){+.+.}-{4:4}, at: nbd_ioctl+0x144/0xd90 [ 1962.512502][ T6627] #1: ff600000153348d8 (&set->tag_list_lock){+.+.}-{4:4}, at: blk_mq_update_nr_hw_queues+0x2a/0x4a [ 1962.515556][ T6627] #2: ff60000019e79de8 (&q->q_usage_counter(io)#20){++++}-{0:0}, at: __blk_mq_update_nr_hw_queues+0x206/0x1326 [ 1962.519109][ T6627] #3: ff60000019e79e20 (&q->q_usage_counter(queue)#4){+.+.}-{0:0}, at: __blk_mq_update_nr_hw_queues+0x206/0x1326 [ 1962.522549][ T6627] #4: ff60000019e7a310 (&q->sysfs_lock){+.+.}-{4:4}, at: __blk_mq_update_nr_hw_queues+0x41e/0x1326 [ 1962.525560][ T6627] [ 1962.525560][ T6627] stack backtrace: [ 1962.527421][ T6627] CPU: 0 UID: 0 PID: 6627 Comm: syz.1.513 Not tainted 6.13.0-rc2-syzkaller-g21f1b85c8912 #0 [ 1962.529102][ T6627] Hardware name: riscv-virtio,qemu (DT) [ 1962.530633][ T6627] Call Trace: [ 1962.531619][ T6627] [] dump_backtrace+0x2e/0x3c [ 1962.533116][ T6627] [] show_stack+0x30/0x3c [ 1962.534629][ T6627] [] dump_stack_lvl+0x12e/0x1a6 [ 1962.536489][ T6627] [] dump_stack+0x1c/0x24 [ 1962.538068][ T6627] [] print_circular_bug+0x3a2/0x42c [ 1962.539503][ T6627] [] check_noncircular+0x2ba/0x354 [ 1962.540974][ T6627] [] __lock_acquire+0x2e4e/0x8594 [ 1962.542536][ T6627] [] lock_sync+0x286/0x504 [ 1962.544010][ T6627] [] __synchronize_srcu+0xd4/0x292 [ 1962.545657][ T6627] [] synchronize_srcu+0x172/0x414 [ 1962.547354][ T6627] [] blk_mq_quiesce_queue+0x12e/0x19e [ 1962.548996][ T6627] [] elevator_disable+0x76/0x1e8 [ 1962.550507][ T6627] [] __blk_mq_update_nr_hw_queues+0x390/0x1326 [ 1962.552158][ T6627] [] blk_mq_update_nr_hw_queues+0x32/0x4a [ 1962.553735][ T6627] [] nbd_start_device+0x140/0xc00 [ 1962.555224][ T6627] [] nbd_ioctl+0x474/0xd90 [ 1962.556800][ T6627] [] blkdev_ioctl+0x23c/0xca0 [ 1962.558318][ T6627] [] __riscv_sys_ioctl+0x18e/0x1e2 [ 1962.560074][ T6627] [] syscall_handler+0x94/0x118 [ 1962.561593][ T6627] [] do_trap_ecall_u+0x1aa/0x216 [ 1962.563307][ T6627] [] _new_vmalloc_restore_context_a0+0xc2/0xce SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 1964.474763][ T838] block nbd1: Receive control failed (result -32) [ 1964.481474][ T6039] block nbd1: Receive control failed (result -32) [ 1964.814438][ T6627] block nbd1: shutting down sockets [ 1970.048705][ T6227] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1970.539469][ T6227] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1971.011755][ T6227] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1971.669260][ T6227] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1976.689642][ T6227] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 1976.757703][ T6227] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 1976.791387][ T6227] bond0 (unregistering): Released all slaves [ 1977.188412][ T6227] hsr_slave_0: left promiscuous mode [ 1977.213277][ T6227] hsr_slave_1: left promiscuous mode [ 1977.265544][ T6227] veth1_vlan: left promiscuous mode [ 1977.268993][ T6227] veth0_vlan: left promiscuous mode VM DIAGNOSIS: 20:06:13 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff802d758a mhartid 0000000000000000 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000220 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff861e63e4 vstvec 0000000000000000 mepc ffffffff802bd71a sepc ffffffff802a6a34 vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 000000008004a000 sscratch 0000000000000000 satp a0551000000ad957 x0/zero 0000000000000000 x1/ra ffffffff802d7586 x2/sp ff20000003196cb0 x3/gp ffffffff899f4f80 x4/tp ff60000012b38000 x5/t0 6300000000000000 x6/t1 0000000000000036 x7/t2 63722d302e33312e x8/s0 ff20000003196e50 x9/s1 ffffffff88862d40 x10/a0 0000000000000007 x11/a1 0000000000000000 x12/a2 0000000000080000 x13/a3 ffffffff802d7586 x14/a4 ff200000050fb218 x15/a5 0000000000032218 x16/a6 0000000000000003 x17/a7 0000000000000038 x18/s2 1ffffffff110c5b3 x19/s3 0000000200000120 x20/s4 0000000000000000 x21/s5 0000000000000000 x22/s6 ff20000003196d80 x23/s7 ffffffff88862d98 x24/s8 1ffffffff110c5b4 x25/s9 ffffffff88862da0 x26/s10 dfffffff00000000 x27/s11 ff20000003196de0 x28/t3 ffffffff90badcb7 x29/t4 ffffffff90badcb7 x30/t5 ffffffff90badcb8 x31/t6 ffffffff90badcb7 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 ffffffff804b671e mhartid 0000000000000001 mstatus 0000000a000000a2 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff861e63e4 vstvec 0000000000000000 mepc ffffffff8008378a sepc ffffffff8596ce74 vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080048000 sscratch 0000000000000000 satp a054e000000b1adb x0/zero 0000000000000000 x1/ra ffffffff804b66c2 x2/sp ff20000005cc7210 x3/gp ffffffff899f4f80 x4/tp ff60000011f44ec0 x5/t0 ff20000005cc7838 x6/t1 ffebffff05c4c3c8 x7/t2 2743538ed157de7e x8/s0 ff20000005cc71a0 x9/s1 ff20000005cc7380 x10/a0 0000000000000005 x11/a1 0000000000000000 x12/a2 ff20000005cc7320 x13/a3 ffffffff8596c76e x14/a4 0000000000000000 x15/a5 0000000000000000 x16/a6 0000000000000003 x17/a7 0000000000000000 x18/s2 0000000000000002 x19/s3 1fe4000000b98e70 x20/s4 fffffffffffffffe x21/s5 ff20000005cc7380 x22/s6 ff6000001b2bba80 x23/s7 000000000000000a x24/s8 dfffffff00000000 x25/s9 ff20000005cc7360 x26/s10 ff20000005cc7388 x27/s11 fffffffffffffffe x28/t3 28a1a3e525dd1a8a x29/t4 ffebffff05c4c3c8 x30/t5 ffebffff05c4c3c9 x31/t6 ff6000001e72d104 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