last executing test programs: 6m7.885851268s ago: executing program 1 (id=7): bpf$ENABLE_STATS(0x20, 0x0, 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x3, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x85, 0x0, 0x0, 0x61}]}, &(0x7f0000000200)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={r0, 0x0, 0x14, 0xe80, &(0x7f00000002c0)="0000ffffffffa000", &(0x7f0000000300)=""/8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x4c) 6m5.549518426s ago: executing program 1 (id=8): openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r0 = open_tree(0xffffffffffffff9c, &(0x7f0000000640)='\x00', 0x89901) syz_usb_connect$uac1(0x0, 0xa4, &(0x7f0000000200)=ANY=[@ANYBLOB="2a01000020000040b708000000000000030109029200030172e5000904000000010100000a24010000000201020c0d2407000005000000000000000c240000e9fffff5ffffffff092403f3ff000005024524", @ANYRES8=r0, @ANYBLOB="05", @ANYRES16=r0, @ANYRES16, @ANYRES16], 0x0) 5m54.001849915s ago: executing program 1 (id=14): lsetxattr$system_posix_acl(&(0x7f0000000400)='.\x00', &(0x7f0000000440)='system.posix_acl_default\x00', &(0x7f00000000c0)=ANY=[@ANYBLOB="02000000010000000000000002000000", @ANYRES32=0xee01, @ANYBLOB="02000000", @ANYRES32=0xee00, @ANYBLOB="02000000", @ANYRES32=0xee00, @ANYBLOB="02000000", @ANYRES32=0x0, @ANYBLOB="040000000000800008000000", @ANYRES32=0x0, @ANYBLOB='\b\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB='\b\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="100000000000000020"], 0x5c, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x103042, 0x0) llistxattr(&(0x7f0000000080)='./file1\x00', 0x0, 0x0) 5m50.932109401s ago: executing program 1 (id=16): r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0) r1 = dup(r0) fallocate(r1, 0x11, 0x0, 0x100000061200) 2m19.64884407s ago: executing program 1 (id=26): mmap$xdp(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x2, 0x42032, 0xffffffffffffffff, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) mmap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x0, 0x13, r0, 0x0) 2m5.757690468s ago: executing program 1 (id=59): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x1c3942, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101}) write$cgroup_devices(r0, &(0x7f0000000200)=ANY=[@ANYBLOB="1e0308003c5c980128876360864668f82ffdd569d2f630b5e033ff11edf1c5ffc733d2acb165fe588cd568cd1f31b87b68b00ad86558"], 0xffdd) 56.237785951s ago: executing program 0 (id=66): r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000003c0)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0) sendmsg$NFT_BATCH(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={{0x14}, [@NFT_MSG_NEWCHAIN={0x38, 0x3, 0xa, 0x3, 0x0, 0x0, {0x2}, [@NFTA_CHAIN_HANDLE={0xc, 0x2, 0x1, 0x0, 0x1}, @NFTA_CHAIN_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_CHAIN_NAME={0x9, 0x3, 'syz0\x00'}]}], {0x14}}, 0x60}}, 0x0) 48.617242742s ago: executing program 0 (id=67): socket$key(0xf, 0x3, 0x2) r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000001100)=@newsa={0x13c, 0x10, 0x1, 0x0, 0x0, {{@in=@multicast2, @in6=@empty}, {@in=@broadcast, 0x0, 0x33}, @in=@local, {}, {}, {}, 0x0, 0x0, 0xa}, [@algo_auth={0x49, 0x1, {{'sha256\x00'}, 0x8, 'v'}}]}, 0x13c}}, 0x0) 38.08426605s ago: executing program 0 (id=68): ioprio_get$uid(0x0, 0x0) r0 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$FBIOPUT_VSCREENINFO(r0, 0x4601, &(0x7f00000001c0)={0x400, 0x280, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, {}, {}, {}, {}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}) 24.66337392s ago: executing program 0 (id=69): io_setup(0x1000, &(0x7f0000000000)=0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) io_submit(r0, 0x2, &(0x7f0000000300)=[&(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, r1, 0x0}, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x5, 0x0, r1, 0x0}]) 10.753126371s ago: executing program 0 (id=70): r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000140)={0x17, 0x3, &(0x7f0000000200)=@framed, &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @cgroup_sysctl=0x12, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0xa0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./cgroup\x00', 0x0, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f00000002c0)={@cgroup=r1, r0, 0x12, 0x0, 0x0, @void, @value=0x0}, 0x20) 0s ago: executing program 0 (id=71): r0 = add_key$user(&(0x7f00000006c0), &(0x7f0000000000)={'syz', 0x1}, &(0x7f0000000440)="3118a062c5e6f9b332e2f3006a9a29fcaff672ae900d6fa95c321004ea8844c7a92ca02b058250a07854dcfb2951b8ea60e3c13305cb31f9a5493befc04fb0be50cc07b31ecfb1baf775d8efd3f847d3392d421fe46244c6886cbb9ad6077b29e5fa3bfdf07a4515d5588050fde3c0f03ddda2ebe8649cf2a473b5069866bd0d8a78cf92c40574dd50446db139d9723e0d3753eb94c0fac0c409d1f208c29e115fba14d1e378ef478508ae2e37b64ca1826d14e1209183948dc754c1d92fdebf", 0xc0, 0xffffffffffffffff) r1 = add_key$user(&(0x7f0000000100), &(0x7f0000000140)={'syz', 0x3}, &(0x7f0000000340)="8e", 0x1, 0xffffffffffffffff) keyctl$dh_compute(0x17, &(0x7f0000000040)={r1, r0, r0}, &(0x7f0000000180)=""/84, 0x54, &(0x7f0000000340)={&(0x7f0000000240)={'wp384\x00'}}) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:35318' (ED25519) to the list of known hosts. syzkaller login: [ 350.335684][ T3177] cgroup: Unknown subsys name 'net' [ 350.754869][ T3177] cgroup: Unknown subsys name 'cpuset' [ 350.808155][ T3177] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 401.328870][ T3177] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 466.479088][ T3187] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 466.584117][ T3188] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 466.690183][ T3188] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 467.140124][ T3187] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 476.944888][ T3188] hsr_slave_0: entered promiscuous mode [ 476.999531][ T3188] hsr_slave_1: entered promiscuous mode [ 478.834559][ T3187] hsr_slave_0: entered promiscuous mode [ 478.905824][ T3187] hsr_slave_1: entered promiscuous mode [ 478.937134][ T3187] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 478.946029][ T3187] Cannot create hsr debugfs directory [ 485.799233][ T3188] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 485.975149][ T3188] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 486.076022][ T3188] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 486.227454][ T3188] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 486.903363][ T3187] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 487.358217][ T3187] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 487.510135][ T3187] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 487.660235][ T3187] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 499.370538][ T3188] 8021q: adding VLAN 0 to HW filter on device bond0 [ 501.466753][ T3187] 8021q: adding VLAN 0 to HW filter on device bond0 [ 541.380229][ T3188] veth0_vlan: entered promiscuous mode [ 541.858036][ T3188] veth1_vlan: entered promiscuous mode [ 543.051271][ T3188] veth0_macvtap: entered promiscuous mode [ 543.546919][ T3188] veth1_macvtap: entered promiscuous mode [ 545.197272][ T3188] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 545.217193][ T3188] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 545.219712][ T3188] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 545.224857][ T3188] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 546.707336][ T3187] veth0_vlan: entered promiscuous mode [ 547.808788][ T3187] veth1_vlan: entered promiscuous mode [ 549.384800][ T3187] veth0_macvtap: entered promiscuous mode [ 549.590204][ T3187] veth1_macvtap: entered promiscuous mode [ 549.644913][ T3188] 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. [ 551.789306][ T3187] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 551.794798][ T3187] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 551.796866][ T3187] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 551.798812][ T3187] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 564.530049][ T3886] netlink: 40 bytes leftover after parsing attributes in process `syz.0.4'. [ 571.016353][ T3709] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 571.381610][ T3709] usb 2-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 571.386012][ T3709] usb 2-1: config 1 has 1 interface, different from the descriptor's value: 3 [ 571.440224][ T3709] usb 2-1: New USB device found, idVendor=08b7, idProduct=0000, bcdDevice= 0.00 [ 571.445854][ T3709] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=3 [ 571.448902][ T3709] usb 2-1: SerialNumber: syz [ 572.467363][ T3709] usb 2-1: 0:2 : does not exist [ 572.486156][ T3709] usb 2-1: unit 255 not found! [ 573.554076][ T3709] usb 2-1: USB disconnect, device number 2 [ 586.828644][ T3931] syz.0.17 (3931): /proc/3930/oom_adj is deprecated, please use /proc/3930/oom_score_adj instead. [ 648.429196][ T4032] netlink: 4 bytes leftover after parsing attributes in process `syz.0.31'. [ 666.459198][ T3951] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 666.542915][ T3951] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 686.753960][ T3951] hsr_slave_0: entered promiscuous mode [ 686.798519][ T3951] hsr_slave_1: entered promiscuous mode [ 686.850381][ T3951] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 686.871726][ T3951] Cannot create hsr debugfs directory [ 696.856505][ T3951] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 698.164655][ T3951] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 700.424076][ T3951] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 701.825669][ T3951] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 704.067110][ T3951] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 704.464373][ T3951] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 705.366883][ T3951] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 705.627765][ T3951] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 718.817516][ T3951] 8021q: adding VLAN 0 to HW filter on device bond0 [ 760.327375][ T4346] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 775.679674][ T3951] veth0_vlan: entered promiscuous mode [ 777.111626][ T3951] veth1_vlan: entered promiscuous mode [ 780.085109][ T3951] veth0_macvtap: entered promiscuous mode [ 780.597663][ T3951] veth1_macvtap: entered promiscuous mode [ 784.538165][ T3951] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 784.562986][ T3951] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 784.565495][ T3951] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 784.567738][ T3951] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 801.756929][ T4371] capability: warning: `syz.0.57' uses deprecated v2 capabilities in a way that may be insecure [ 832.185370][ T3882] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 832.696154][ T3882] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 832.699012][ T3882] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 832.748453][ T3882] usb 1-1: New USB device found, idVendor=046d, idProduct=c294, bcdDevice= 0.00 [ 832.769200][ T3882] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 833.305604][ T3882] usb 1-1: config 0 descriptor?? [ 836.223504][ T3882] logitech 0003:046D:C294.0001: unknown main item tag 0x0 [ 836.226506][ T3882] logitech 0003:046D:C294.0001: unknown main item tag 0x0 [ 836.245820][ T3882] logitech 0003:046D:C294.0001: unknown main item tag 0x0 [ 836.528319][ T3882] logitech 0003:046D:C294.0001: hidraw0: USB HID v0.00 Device [HID 046d:c294] on usb-dummy_hcd.0-1/input0 [ 836.554188][ T3882] logitech 0003:046D:C294.0001: no inputs found [ 837.382656][ T3882] usb 1-1: USB disconnect, device number 2 [ 856.690201][ T4408] Zero length message leads to an empty skb [ 960.377679][ T4409] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 961.627937][ T4409] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1008.607826][ T4409] hsr_slave_0: entered promiscuous mode [ 1009.089456][ T4409] hsr_slave_1: entered promiscuous mode [ 1009.387194][ T4409] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1009.389595][ T4409] Cannot create hsr debugfs directory [ 1029.870183][ T4409] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1456.015859][ T38] INFO: task syz.1.59:4374 blocked for more than 430 seconds. [ 1456.065173][ T38] Not tainted 6.12.0-rc1-syzkaller-00002-gcfb10de18538 #0 [ 1456.067662][ T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1456.069642][ T38] task:syz.1.59 state:D stack:0 pid:4374 tgid:4374 ppid:3951 flags:0x00000006 [ 1456.125386][ T38] Call Trace: [ 1456.127856][ T38] [] __schedule+0xd5a/0x3886 [ 1456.173610][ T38] [] schedule+0xc4/0x324 [ 1456.176008][ T38] [] schedule_timeout+0x1e2/0x296 [ 1456.178041][ T38] [] __wait_for_common+0x1ca/0x4b6 [ 1456.179955][ T38] [] wait_for_completion+0x1a/0x22 SYZFAIL: failed to recv rpc [ 1456.282959][ T38] [] rcu_barrier+0x2dc/0x6cc [ 1456.286986][ T38] [] netdev_run_todo+0x294/0x105e [ 1456.290432][ T38] [] rtnl_unlock+0x14/0x1c [ 1456.383687][ T38] [] tun_chr_close+0xde/0x230 [ 1456.384349][ T38] [] __fput+0x378/0x9e6 [ 1456.384848][ T38] [] ____fput+0x1c/0x26 [ 1456.385321][ T38] [] task_work_run+0x16a/0x25e [ 1456.385813][ T38] [] do_exit+0xa4c/0x2986 [ 1456.386352][ T38] [] do_group_exit+0xd4/0x26c [ 1456.386890][ T38] [] get_signal+0x1e98/0x23b0 [ 1456.387426][ T38] [] arch_do_signal_or_restart+0x8d6/0x1190 [ 1456.388179][ T38] [] syscall_exit_to_user_mode+0x2a6/0x31e fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 1456.389026][ T38] [] do_trap_ecall_u+0x86/0x216 [ 1456.389902][ T38] [] _new_vmalloc_restore_context_a0+0xc2/0xce [ 1456.447154][ T38] [ 1456.447154][ T38] Showing all locks held in the system: [ 1456.447703][ T38] 1 lock held by kworker/R-mm_pe/13: [ 1456.448071][ T38] #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x73e/0xc72 [ 1456.450423][ T38] 2 locks held by kworker/1:1/34: [ 1456.502681][ T38] 1 lock held by khungtaskd/38: [ 1456.504850][ T38] #0: ffffffff87fcc100 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x68/0x2d6 [ 1456.551832][ T38] 2 locks held by kworker/1:2/930: [ 1456.554875][ T38] 1 lock held by kworker/R-dm_bu/1602: [ 1456.557213][ T38] #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_attach_to_pool+0x36/0x3c4 [ 1456.652055][ T38] 2 locks held by getty/3150: [ 1456.654872][ T38] #0: ff6000001d3900a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 [ 1456.660172][ T38] #1: ff2000000008b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xd7c/0x129a [ 1456.742708][ T38] 1 lock held by syz-executor/3177: [ 1456.745491][ T38] 1 lock held by kworker/R-wg-cr/3362: [ 1456.747923][ T38] #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_attach_to_pool+0x36/0x3c4 [ 1456.810263][ T38] 1 lock held by kworker/R-wg-cr/3380: [ 1456.849616][ T38] #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x73e/0xc72 [ 1456.878009][ T38] 1 lock held by kworker/R-wg-cr/3383: [ 1456.879512][ T38] #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_attach_to_pool+0x36/0x3c4 [ 1456.968881][ T38] 5 locks held by kworker/R-wg-cr/3386: [ 1456.970462][ T38] 1 lock held by kworker/R-wg-cr/3389: [ 1457.016387][ T38] #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x73e/0xc72 [ 1457.044381][ T38] 2 locks held by kworker/1:0/3709: [ 1457.046320][ T38] 1 lock held by kworker/0:2/3773: [ 1457.047802][ T38] #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_attach_to_pool+0x36/0x3c4 [ 1457.106472][ T38] 2 locks held by kworker/1:3/3815: [ 1457.108091][ T38] 2 locks held by kworker/1:4/3872: [ 1457.109533][ T38] 2 locks held by kworker/1:5/3873: [ 1457.146838][ T38] 2 locks held by kworker/1:6/3879: [ 1457.148729][ T38] 1 lock held by syz.1.16/3929: [ 1457.150149][ T38] #0: ff6000001543a048 (mapping.invalidate_lock#2){+.+.}-{3:3}, at: blkdev_fallocate+0x1ac/0x30a [ 1457.332543][ T38] 1 lock held by kworker/R-wg-cr/4054: [ 1457.334412][ T38] #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_attach_to_pool+0x36/0x3c4 [ 1457.338800][ T38] 1 lock held by kworker/R-wg-cr/4058: [ 1457.340261][ T38] #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x73e/0xc72 [ 1457.377457][ T38] 1 lock held by kworker/R-wg-cr/4062: [ 1457.378968][ T38] 1 lock held by syz.1.59/4374: [ 1457.380020][ T38] #0: ffffffff87fdc6c0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x56/0x6cc [ 1457.435075][ T38] 2 locks held by kworker/1:7/4380: [ 1457.436308][ T38] 3 locks held by kworker/1:2H/4381: [ 1457.437396][ T38] 7 locks held by syz-executor/4409: [ 1457.438706][ T38] #0: ff6000001beb4420 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x728/0x9b4 [ 1457.524053][ T38] #1: ff6000003597c488 (&of->mutex#2){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x23a/0x460 [ 1457.527985][ T38] #2: ff6000001b7c31e8 (kn->active#4){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x258/0x460 [ 1457.579126][ T38] #3: ffffffff88c129e8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xf0/0x48c [ 1457.672403][ T38] #4: ff6000001b3d90e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x9c/0x572 [ 1457.679088][ T38] #5: ff6000001b3dd250 (&devlink->lock_key#3){+.+.}-{3:3}, at: devl_lock+0x22/0x2c [ 1457.779236][ T38] #6: ffffffff87fdc6c0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x56/0x6cc [ 1457.857812][ T38] 2 locks held by kworker/1:8/4414: [ 1457.860165][ T38] 2 locks held by kworker/1:9/4415: [ 1457.935963][ T38] 2 locks held by kworker/1:10/4505: [ 1457.938730][ T38] 2 locks held by kworker/1:11/4560: [ 1457.999535][ T38] 2 locks held by kworker/1:12/4562: [ 1458.052125][ T38] 2 locks held by kworker/u9:5/4602: [ 1458.055147][ T38] #0: ff60000011071148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1dae [ 1458.164703][ T38] #1: ff200000064d7c90 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1dae [ 1458.218560][ T38] 3 locks held by kworker/0:0/4740: [ 1458.264204][ T38] 2 locks held by kworker/1:13/4741: [ 1458.267369][ T38] 2 locks held by syz-executor/4750: [ 1458.270178][ T38] [ 1458.360510][ T38] ============================================= [ 1458.360510][ T38] [ 1458.365014][ T38] NMI backtrace for cpu 0 [ 1458.366452][ T38] CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted 6.12.0-rc1-syzkaller-00002-gcfb10de18538 #0 [ 1458.368036][ T38] Hardware name: riscv-virtio,qemu (DT) [ 1458.369064][ T38] Call Trace: [ 1458.369915][ T38] [] dump_backtrace+0x2e/0x3c [ 1458.372375][ T38] [] show_stack+0x34/0x40 [ 1458.374724][ T38] [] dump_stack_lvl+0x122/0x196 [ 1458.376282][ T38] [] dump_stack+0x1c/0x24 [ 1458.377785][ T38] [] nmi_cpu_backtrace+0x39c/0x39e [ 1458.380106][ T38] [] nmi_trigger_cpumask_backtrace+0x2b6/0x456 [ 1458.381662][ T38] [] arch_trigger_cpumask_backtrace+0x2c/0x3c [ 1458.383275][ T38] [] watchdog+0xcfa/0x1178 [ 1458.384569][ T38] [] kthread+0x28c/0x3a6 [ 1458.385941][ T38] [] ret_from_fork+0xe/0x18 [ 1458.390263][ T38] Sending NMI from CPU 0 to CPUs 1: [ 1458.394692][ C1] NMI backtrace for cpu 1 [ 1458.396151][ C1] CPU: 1 UID: 0 PID: 4381 Comm: kworker/1:2H Not tainted 6.12.0-rc1-syzkaller-00002-gcfb10de18538 #0 [ 1458.397515][ C1] Hardware name: riscv-virtio,qemu (DT) [ 1458.398668][ C1] Workqueue: kblockd blk_mq_timeout_work [ 1458.400094][ C1] epc : __sanitizer_cov_trace_pc+0x0/0x7a [ 1458.401622][ C1] ra : walk_stackframe+0xf8/0x452 [ 1458.402903][ C1] epc : ffffffff804308f2 ra : ffffffff8001048c sp : ff20000000016bd0 [ 1458.404106][ C1] gp : ffffffff897bea80 tp : ff60000013a9b480 t0 : ff20000000016f20 [ 1458.405328][ C1] t1 : fffffffef2146897 t2 : 0000000000000001 s0 : ff20000000016c50 [ 1458.406597][ C1] s1 : ff20000000017060 a0 : 0000000000000001 a1 : 0000000000000000 [ 1458.407791][ C1] a2 : 0000000000000001 a3 : ffffffff80010582 a4 : 0000000000000000 [ 1458.409030][ C1] a5 : ff60000013a9b480 a6 : 0000000000f00000 a7 : 1fec0000027537fd [ 1458.410312][ C1] s2 : ff20000000017030 s3 : 0000000000000007 s4 : 0000000000000001 [ 1458.412208][ C1] s5 : 0000000000000000 s6 : ffffffff84c971a4 s7 : dfffffff00000000 [ 1458.413508][ C1] s8 : dfffffff00000000 s9 : ffffffff85ffc970 s10: 0000000000007fff [ 1458.414856][ C1] s11: ff20000000017060 t3 : 1fec0000027537f3 t4 : fffffffef2146897 [ 1458.416250][ C1] t5 : fffffffef2146898 t6 : 1fec000002753811 [ 1458.417633][ C1] status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001 [ 1458.419356][ C1] [] __sanitizer_cov_trace_pc+0x0/0x7a [ 1458.421115][ C1] [] arch_stack_walk+0x1c/0x24 [ 1458.422308][ C1] [] stack_trace_save+0xa0/0xd2 [ 1458.423242][ C1] [] kasan_save_stack+0x3e/0x6a [ 1458.424360][ C1] [] kasan_save_track+0x16/0x28 [ 1458.425338][ C1] [] kasan_save_free_info+0x40/0x5a [ 1458.426355][ C1] [] __kasan_slab_free+0x4e/0x68 [ 1458.427368][ C1] [] kfree+0x13c/0x4ce [ 1458.428286][ C1] [] skb_free_head+0x230/0x2ec [ 1458.429228][ C1] [] skb_release_data+0x6ec/0x86a [ 1458.430185][ C1] [] consume_skb+0xca/0xfa [ 1458.431365][ C1] [] nft_synproxy_do_eval+0x8b6/0xa52 [ 1458.432407][ C1] [] nft_synproxy_eval+0x28/0x36 [ 1458.433323][ C1] [] nft_do_chain+0x328/0x1598 [ 1458.434347][ C1] [] nft_do_chain_inet+0x180/0x316 [ 1458.435253][ C1] [] nf_hook_slow+0xb8/0x1ec [ 1458.436248][ C1] [] ip_local_deliver+0x2ea/0x568 [ 1458.437235][ C1] [] ip_rcv_finish+0x1b0/0x2d2 [ 1458.438296][ C1] [] ip_rcv+0xd6/0x44e [ 1458.439282][ C1] [] __netif_receive_skb_one_core+0x106/0x16e [ 1458.440397][ C1] [] __netif_receive_skb+0x2c/0x144 [ 1458.441535][ C1] [] process_backlog+0x4fc/0x1cbc [ 1458.442585][ C1] [] __napi_poll.constprop.0+0xaa/0x4b8 [ 1458.443682][ C1] [] net_rx_action+0xa12/0xf10 [ 1458.444682][ C1] [] handle_softirqs+0x4a6/0x10de [ 1458.445555][ C1] [] __irq_exit_rcu+0x188/0x372 [ 1458.446461][ C1] [] irq_exit_rcu+0x10/0xf8 [ 1458.447426][ C1] [] handle_riscv_irq+0x40/0x4c [ 1458.448536][ C1] [] call_on_irq_stack+0x32/0x40 [ 1459.263012][ T38] Kernel panic - not syncing: hung_task: blocked tasks [ 1459.265521][ T38] CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted 6.12.0-rc1-syzkaller-00002-gcfb10de18538 #0 [ 1459.269205][ T38] Hardware name: riscv-virtio,qemu (DT) [ 1459.271726][ T38] Call Trace: [ 1459.273218][ T38] [] dump_backtrace+0x2e/0x3c [ 1459.274480][ T38] [] show_stack+0x34/0x40 [ 1459.275632][ T38] [] dump_stack_lvl+0x108/0x196 [ 1459.277914][ T38] [] dump_stack+0x1c/0x24 [ 1459.280493][ T38] [] panic+0x388/0x86c [ 1459.281954][ T38] [] watchdog+0x78a/0x1178 [ 1459.283012][ T38] [] kthread+0x28c/0x3a6 [ 1459.284175][ T38] [] ret_from_fork+0xe/0x18 [ 1459.285583][ T38] SMP: stopping secondary CPUs [ 1459.289820][ T38] Rebooting in 86400 seconds.. VM DIAGNOSIS: 13:02:27 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff80233d10 mhartid 0000000000000000 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000200 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 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080029000 sscratch 0000000000000000 satp a025c000000b13ca x0/zero 0000000000000000 x1/ra ffffffff80233c86 x2/sp ff20000000007a50 x3/gp ffffffff897bea80 x4/tp ff600000132d3480 x5/t0 ff600000132d3fa0 x6/t1 ffebffff0dd85ba0 x7/t2 0000000000000026 x8/s0 ff20000000007ac0 x9/s1 ff6000006ec19708 x10/a0 ffffffff90b60b00 x11/a1 ffffffff8643e8a0 x12/a2 0000000000010002 x13/a3 0000000000000000 x14/a4 0000000000000000 x15/a5 0000000200000120 x16/a6 0000000000ff0100 x17/a7 ff6000006ec2dd03 x18/s2 ffffffff90b60b00 x19/s3 ff600000132d3fa0 x20/s4 ff6000006ec2dd18 x21/s5 ff600000132d4480 x22/s6 ffffffff90b60b00 x23/s7 000000000000c445 x24/s8 ff600000132d3f98 x25/s9 ffffffff86258708 x26/s10 0000000200000120 x27/s11 0000000000000003 x28/t3 1fec00000265a7f3 x29/t4 ffebffff0dd85ba0 x30/t5 ffebffff0dd85ba1 x31/t6 1fec00000265a807 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 ffffffff80430a7e mhartid 0000000000000001 mstatus 0000000a000000a2 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 0000000080000428 stvec ffffffff85ffc970 vstvec 0000000000000000 mepc ffffffff84c9508e sepc ffffffff80430ad2 vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080027000 sscratch 0000000000000000 satp a011f00000097ebe x0/zero 0000000000000000 x1/ra ffffffff80430a76 x2/sp ff20000000016850 x3/gp ffffffff897bea80 x4/tp ff60000013a9b480 x5/t0 ff60000013a9bfa0 x6/t1 00000000000001c8 x7/t2 0000000000000006 x8/s0 ff200000000168d0 x9/s1 ff20000000016a30 x10/a0 0000000000000005 x11/a1 ff20000000016a30 x12/a2 0000000000f00000 x13/a3 ffffffff80010468 x14/a4 0000000000000000 x15/a5 ff60000013a9b480 x16/a6 0000000000f00000 x17/a7 0000000000000000 x18/s2 0000000000000004 x19/s3 ff60000013a9b480 x20/s4 ffffffff90b60b08 x21/s5 0000000000000000 x22/s6 ffffffff80010394 x23/s7 dfffffff00000000 x24/s8 dfffffff00000000 x25/s9 ffffffff85ffc970 x26/s10 0000000000007fff x27/s11 ff200000000168e0 x28/t3 1fec000006b00203 x29/t4 ff60000029012138 x30/t5 ffffffff87217028 x31/t6 1fec000002753816 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