Warning: Permanently added '[localhost]:7643' (ED25519) to the list of known hosts. syzkaller login: [ 920.068627][ T3283] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 920.105388][ T3283] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 920.308213][ T3282] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 920.336147][ T3282] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 921.529472][ T3283] hsr_slave_0: entered promiscuous mode [ 921.572748][ T3283] hsr_slave_1: entered promiscuous mode [ 921.832421][ T3282] hsr_slave_0: entered promiscuous mode [ 921.871059][ T3282] hsr_slave_1: entered promiscuous mode [ 921.929971][ T3282] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 921.933007][ T3282] Cannot create hsr debugfs directory [ 922.855293][ T3283] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 922.903738][ T3283] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 922.936964][ T3283] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 922.964508][ T3283] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 923.146125][ T3282] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 923.170300][ T3282] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 923.193730][ T3282] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 923.227958][ T3282] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 924.665786][ T3283] 8021q: adding VLAN 0 to HW filter on device bond0 [ 924.769510][ T3282] 8021q: adding VLAN 0 to HW filter on device bond0 [ 929.686562][ T3283] veth0_vlan: entered promiscuous mode [ 929.776002][ T3283] veth1_vlan: entered promiscuous mode [ 929.793668][ T3282] veth0_vlan: entered promiscuous mode [ 929.853377][ T3282] veth1_vlan: entered promiscuous mode [ 929.997689][ T3283] veth0_macvtap: entered promiscuous mode [ 930.016483][ T3283] veth1_macvtap: entered promiscuous mode [ 930.027916][ T3282] veth0_macvtap: entered promiscuous mode [ 930.104021][ T3282] veth1_macvtap: entered promiscuous mode [ 930.246903][ T3283] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 930.247945][ T3283] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 930.248473][ T3283] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 930.250393][ T3283] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 930.438329][ T3282] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 930.450499][ T3282] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 930.452462][ T3282] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 930.453373][ T3282] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program executing program executing program executing program [ 939.748608][ T16] sched: DL replenish lagged too much executing program executing program executing program executing program [ 1659.669108][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 1659.669827][ C0] rcu: (detected by 0, t=30002 jiffies, g=17433, q=125 ncpus=2) [ 1659.670299][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 30002 (4295103242-4295073240), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 1659.671361][ C0] rcu: rcu_preempt kthread starved for 30002 jiffies! g17433 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 1659.672229][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 1659.673759][ C0] rcu: RCU grace-period kthread stack dump: [ 1659.674176][ C0] task:rcu_preempt state:R running task stack:0 pid:17 tgid:17 ppid:2 flags:0x00000008 [ 1659.676096][ C0] Call trace: [ 1659.676397][ C0] __switch_to+0xf4/0x168 [ 1659.677283][ C0] __schedule+0x330/0x8f8 [ 1659.677615][ C0] schedule+0x34/0x104 [ 1659.677935][ C0] schedule_timeout+0x80/0xf4 [ 1659.678250][ C0] rcu_gp_fqs_loop+0x138/0x48c [ 1659.678595][ C0] rcu_gp_kthread+0x130/0x15c [ 1659.678940][ C0] kthread+0x114/0x118 [ 1659.679258][ C0] ret_from_fork+0x10/0x20 [ 1659.679666][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 1659.680105][ C0] Sending NMI from CPU 0 to CPUs 1: [ 1659.680973][ C1] NMI backtrace for cpu 1 [ 1659.682563][ C1] CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Tainted: G B 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0 [ 1659.685450][ C1] Tainted: [B]=BAD_PAGE [ 1659.686496][ C1] Hardware name: linux,dummy-virt (DT) [ 1659.687922][ C1] pstate: 81400009 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) [ 1659.689964][ C1] pc : fixup_red_left+0x0/0x24 [ 1659.691316][ C1] lr : check_slab_allocation+0xd8/0x168 [ 1659.692853][ C1] sp : ffff800082b8b760 [ 1659.693939][ C1] x29: ffff800082b8b760 x28: f8f0000005767f20 x27: ffff800082b8b948 [ 1659.696507][ C1] x26: 00000000ffffffff x25: 0000000000000000 x24: 0000000000081110 [ 1659.699282][ C1] x23: 909f8000815713d0 x22: f6f000000304fa00 x21: fff0000003e1f200 [ 1659.701550][ C1] x20: f6f0000003e1f200 x19: ffff8000815713d0 x18: 0000000000000001 [ 1659.703953][ C1] x17: 0000000000000400 x16: 0000000000000004 x15: 0000000000000000 [ 1659.706398][ C1] x14: f2f0000003253740 x13: 0000000000000347 x12: 0000000000000001 [ 1659.708998][ C1] x11: 00000000ebacea21 x10: 0000000000000009 x9 : 0000000000001ffd [ 1659.711429][ C1] x8 : 00000000000000c8 x7 : f1f000000546b31c x6 : 0000000000000100 [ 1659.713806][ C1] x5 : ffffc1ffc00f87c0 x4 : ff00000000000000 x3 : fff0000003e1ff00 [ 1659.716133][ C1] x2 : 0000000000000f00 x1 : fff0000003e1f200 x0 : f6f000000304fa00 [ 1659.718506][ C1] Call trace: [ 1659.719452][ C1] fixup_red_left+0x0/0x24 [ 1659.720681][ C1] __kasan_slab_pre_free+0x2c/0x44 [ 1659.722094][ C1] kmem_cache_free+0xdc/0x39c [ 1659.723350][ C1] kfree_skbmem+0xa0/0xd0 [ 1659.724484][ C1] sk_skb_reason_drop+0x9c/0xcc [ 1659.725792][ C1] nft_synproxy_do_eval+0x178/0x270 [ 1659.727190][ C1] nft_synproxy_eval+0x14/0x38 [ 1659.728530][ C1] nft_do_chain+0x108/0x484 [ 1659.729861][ C1] nft_do_chain_inet+0xa0/0x114 [ 1659.731095][ C1] nf_hook_slow+0x48/0x118 [ 1659.732243][ C1] ip6_input+0xb4/0xd4 [ 1659.733371][ C1] ipv6_rcv+0x140/0x14c [ 1659.734471][ C1] __netif_receive_skb_one_core+0x58/0x84 [ 1659.735837][ C1] __netif_receive_skb+0x18/0x60 [ 1659.737187][ C1] process_backlog+0x84/0x13c [ 1659.738508][ C1] __napi_poll+0x38/0x198 [ 1659.739760][ C1] net_rx_action+0x344/0x3c8 [ 1659.741006][ C1] handle_softirqs+0x108/0x240 [ 1659.742157][ C1] run_ksoftirqd+0x3c/0x4c [ 1659.743342][ C1] smpboot_thread_fn+0x208/0x22c [ 1659.744741][ C1] kthread+0x114/0x118 [ 1659.746062][ C1] ret_from_fork+0x10/0x20 VM DIAGNOSIS: 00:38:54 Registers: info registers vcpu 0 CPU#0 PC=ffff800081a3e114 X00=ffff800081a3e110 X01=00000000ffffffff X02=0000000000000000 X03=ffff800082279830 X04=ffff800080003b70 X05=faf0000003239240 X06=ffff800080003c70 X07=00000000ffffffc8 X08=ffff800080003cb0 X09=ffff800080003cb0 X10=ffff8000827fe638 X11=0000000000000354 X12=00000000000009fc X13=ffff80008274e638 X14=7573207374656720 X15=746e656963696666 X16=6d69742055504320 X17=69204d4f4f202c65 X18=ffffffffffffffff X19=ffff800082830c08 X20=ffff800082830c00 X21=0000000000000000 X22=0000000000000004 X23=ffff800082830c08 X24=0000000000000028 X25=ffff800082279830 X26=ffff800082747000 X27=0000000000000001 X28=ffff8000827006c0 X29=ffff800080003990 X30=ffff800081a3d910 SP=ffff800080003990 PSTATE=804000c9 N--- EL2h SVCR=00000000 -- BTYPE=0 FPCR=00000000 FPSR=00000000 P00=0000000000000000 P01=0000000000000000 P02=0000000000000000 P03=0000000000000000 P04=0000000000000000 P05=0000000000000000 P06=0000000000000000 P07=0000000000000000 P08=0000000000000000 P09=0000000000000000 P10=0000000000000000 P11=0000000000000000 P12=0000000000000000 P13=0000000000000000 P14=0000000000000000 P15=0000000000000000 FFR=0000000000000000 Z00=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:ffffffffffffffff:ffffffffffffffff Z01=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000f00000054:0000000000000050 Z02=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:f00ff00ff00ff00f:f00ff00ff00ff00f Z03=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:000000000000000f:f000f000f000f000 Z04=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:f00ff00ff00ff00f:f00ff00ff00ff00f Z05=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000ff0f0f0f0:0000000ff0f0f0f0 Z06=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000f00000000000:0000f00000000000 Z07=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z08=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z09=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z10=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z11=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z12=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z13=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z14=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z15=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z16=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z17=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z18=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z19=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z20=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z21=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z22=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z23=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z24=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z25=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z26=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z27=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z28=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z29=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z30=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z31=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 info registers vcpu 1 CPU#1 PC=ffff8000816c6c2c X00=f3f000000c3d2e00 X01=ffff800082b8b770 X02=ffff800082b8b770 X03=0000000000000000 X04=0000000000000000 X05=0100000000000000 X06=0000000000000000 X07=0100000000000000 X08=0000000000000006 X09=d894ce98e334d3a2 X10=0000000000000009 X11=00000000ebacea21 X12=0000000000000001 X13=0000000000000347 X14=f2f0000003253740 X15=0000000000000000 X16=0000000000000004 X17=0000000000000400 X18=0000000000000001 X19=f6f0000006750700 X20=ffff800082b8b798 X21=ffffffffffffffff X22=0000000000000040 X23=ffff800082b8b7a8 X24=f7f0000006548000 X25=f5f0000006750500 X26=ffff800082b8b57c X27=ffff800082b8b5e8 X28=ffff800082b8b5e8 X29=ffff800082b8b420 X30=02ff800081827fb0 SP=ffff800082b8b420 PSTATE=41400009 -Z-- EL2h SVCR=00000000 -- BTYPE=0 FPCR=00000000 FPSR=00000000 P00=0000000000000000 P01=0000000000000000 P02=0000000000000000 P03=0000000000000000 P04=0000000000000000 P05=0000000000000000 P06=0000000000000000 P07=0000000000000000 P08=0000000000000000 P09=0000000000000000 P10=0000000000000000 P11=0000000000000000 P12=0000000000000000 P13=0000000000000000 P14=0000000000000000 P15=0000000000000000 FFR=0000000000000000 Z00=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:2525252525252525:2525252525252525 Z01=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000030303031:0000000064252f2e Z02=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:fffff000000000f0 Z03=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:ffffffff00000000:ffffffff00ff0000 Z04=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:ffff0000ffff0f00 Z05=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:00000000214e000a Z06=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:bb448243222c92da:e3914ed4e87380b0 Z07=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:6edc4d3a2914b135:d8e9c869e2695c88 Z08=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z09=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z10=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z11=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z12=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z13=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z14=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z15=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z16=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000ffffe8772570:0000ffffe8772570 Z17=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:ffffff80ffffffd0:0000ffffe8772540 Z18=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z19=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z20=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z21=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z22=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z23=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z24=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z25=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z26=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z27=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z28=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z29=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z30=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z31=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000