Warning: Permanently added '[localhost]:60535' (ED25519) to the list of known hosts. syzkaller login: [ 86.690925][ T788] cfg80211: failed to load regulatory.db [ 86.909236][ T5093] chnl_net:caif_netlink_parms(): no params data found [ 86.998557][ T5093] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.009620][ T5093] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.013414][ T5093] bridge_slave_0: entered allmulticast mode [ 87.016377][ T5093] bridge_slave_0: entered promiscuous mode [ 87.022043][ T5093] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.024547][ T5093] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.027285][ T5093] bridge_slave_1: entered allmulticast mode [ 87.031269][ T5093] bridge_slave_1: entered promiscuous mode [ 87.051456][ T5093] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 87.056500][ T5093] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 87.076213][ T5093] team0: Port device team_slave_0 added [ 87.080535][ T5093] team0: Port device team_slave_1 added [ 87.097849][ T5093] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 87.100351][ T5093] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 87.108399][ T5093] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 87.121794][ T5093] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 87.124026][ T5093] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 87.150057][ T5093] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 87.179758][ T5093] hsr_slave_0: entered promiscuous mode [ 87.183636][ T5093] hsr_slave_1: entered promiscuous mode [ 87.326462][ T5093] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 87.353520][ T5093] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 87.381213][ T5093] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 87.386752][ T5093] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 87.453856][ T5093] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.456346][ T5093] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.459482][ T5093] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.461863][ T5093] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.564683][ T5093] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.596751][ T30] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.600608][ T30] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.620507][ T5093] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.629633][ T1086] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.632214][ T1086] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.652754][ T1086] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.655368][ T1086] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.735147][ T5093] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 87.793613][ T5093] veth0_vlan: entered promiscuous mode [ 87.813037][ T5093] veth1_vlan: entered promiscuous mode [ 87.845919][ T5093] veth0_macvtap: entered promiscuous mode [ 87.860565][ T5093] veth1_macvtap: entered promiscuous mode [ 87.888766][ T5093] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 87.903891][ T5093] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 87.910862][ T5093] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.913763][ T5093] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.916492][ T5093] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.919249][ T5093] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 88.029675][ C0] [ 88.030419][ C0] ================================ [ 88.032423][ C0] WARNING: inconsistent lock state [ 88.034502][ C0] 6.11.0-rc4-syzkaller-00019-gb311c1b497e5 #0 Not tainted [ 88.038059][ C0] -------------------------------- [ 88.040078][ C0] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 88.042733][ C0] ksoftirqd/0/16 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 88.045177][ C0] ffff888039c531e0 (&pch->downl){+.?.}-{2:2}, at: ppp_input+0x18b/0xa10 [ 88.048360][ C0] {SOFTIRQ-ON-W} state was registered at: [ 88.050527][ C0] lock_acquire+0x1ed/0x550 [ 88.052255][ C0] _raw_spin_lock+0x2e/0x40 [ 88.054735][ C0] ppp_input+0x18b/0xa10 [ 88.056388][ C0] pppoe_rcv_core+0x117/0x310 [ 88.058243][ C0] __release_sock+0x243/0x350 [ 88.060122][ C0] release_sock+0x61/0x1f0 [ 88.061908][ C0] pppoe_sendmsg+0xd5/0x750 [ 88.063695][ C0] __sock_sendmsg+0x221/0x270 [ 88.065564][ C0] ____sys_sendmsg+0x525/0x7d0 [ 88.067435][ C0] __sys_sendmmsg+0x3b2/0x740 [ 88.069309][ C0] __x64_sys_sendmmsg+0xa0/0xb0 [ 88.071203][ C0] do_syscall_64+0xf3/0x230 [ 88.072969][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.075296][ C0] irq event stamp: 1309336 [ 88.077067][ C0] hardirqs last enabled at (1309336): [] _raw_spin_unlock_irqrestore+0x8f/0x140 [ 88.081148][ C0] hardirqs last disabled at (1309335): [] _raw_spin_lock_irqsave+0xb0/0x120 [ 88.085059][ C0] softirqs last enabled at (1309326): [] run_ksoftirqd+0xca/0x130 [ 88.088734][ C0] softirqs last disabled at (1309331): [] run_ksoftirqd+0xca/0x130 [ 88.092277][ C0] [ 88.092277][ C0] other info that might help us debug this: [ 88.095357][ C0] Possible unsafe locking scenario: [ 88.095357][ C0] [ 88.098200][ C0] CPU0 [ 88.099497][ C0] ---- [ 88.100792][ C0] lock(&pch->downl); [ 88.102395][ C0] [ 88.103737][ C0] lock(&pch->downl); [ 88.105459][ C0] [ 88.105459][ C0] *** DEADLOCK *** [ 88.105459][ C0] [ 88.108570][ C0] 1 lock held by ksoftirqd/0/16: [ 88.110493][ C0] #0: ffffffff8e938320 (rcu_read_lock){....}-{1:2}, at: ppp_input+0x55/0xa10 [ 88.113934][ C0] [ 88.113934][ C0] stack backtrace: [ 88.116226][ C0] CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.11.0-rc4-syzkaller-00019-gb311c1b497e5 #0 [ 88.120303][ C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 88.124548][ C0] Call Trace: [ 88.125936][ C0] [ 88.127092][ C0] dump_stack_lvl+0x241/0x360 [ 88.128922][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 88.130896][ C0] ? print_usage_bug+0x61a/0x8a0 [ 88.132746][ C0] ? ret_from_fork_asm+0x19/0x30 [ 88.134636][ C0] valid_state+0x13a/0x1c0 [ 88.136328][ C0] mark_lock_irq+0xbb/0xc20 [ 88.138151][ C0] ? arch_stack_walk+0x17b/0x1b0 [ 88.140104][ C0] ? __pfx_mark_lock_irq+0x10/0x10 [ 88.142100][ C0] ? stack_trace_save+0x118/0x1d0 [ 88.144052][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 88.146160][ C0] ? lockdep_unlock+0x16a/0x300 [ 88.147918][ C0] ? lockdep_lock+0x123/0x2b0 [ 88.149705][ C0] ? save_trace+0x5a/0xb40 [ 88.151441][ C0] mark_lock+0x223/0x350 [ 88.153099][ C0] __lock_acquire+0xbf9/0x2040 [ 88.154973][ C0] lock_acquire+0x1ed/0x550 [ 88.156688][ C0] ? ppp_input+0x18b/0xa10 [ 88.158433][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 88.160351][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 88.162258][ C0] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 88.164541][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 88.166646][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 88.168916][ C0] _raw_spin_lock+0x2e/0x40 [ 88.170633][ C0] ? ppp_input+0x18b/0xa10 [ 88.172323][ C0] ppp_input+0x18b/0xa10 [ 88.173983][ C0] ? ppp_input+0x55/0xa10 [ 88.175625][ C0] ppp_sync_process+0x71/0x160 [ 88.177485][ C0] tasklet_action_common+0x321/0x4d0 [ 88.179526][ C0] ? __pfx_tasklet_action_common+0x10/0x10 [ 88.181781][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 88.184200][ C0] ? __schedule+0x1808/0x4a60 [ 88.186072][ C0] ? workqueue_softirq_action+0xce/0x140 [ 88.188240][ C0] handle_softirqs+0x2c4/0x970 [ 88.190131][ C0] ? run_ksoftirqd+0xca/0x130 [ 88.191958][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 88.193948][ C0] run_ksoftirqd+0xca/0x130 [ 88.195675][ C0] ? __pfx_run_ksoftirqd+0x10/0x10 [ 88.197602][ C0] ? __pfx_run_ksoftirqd+0x10/0x10 [ 88.199517][ C0] smpboot_thread_fn+0x544/0xa30 [ 88.201449][ C0] ? smpboot_thread_fn+0x4e/0xa30 [ 88.203398][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 88.205521][ C0] kthread+0x2f0/0x390 [ 88.207129][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 88.209242][ C0] ? __pfx_kthread+0x10/0x10 [ 88.211021][ C0] ret_from_fork+0x4b/0x80 [ 88.212755][ C0] ? __pfx_kthread+0x10/0x10 [ 88.214602][ C0] ret_from_fork_asm+0x1a/0x30 [ 88.216461][ C0] executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program VM DIAGNOSIS: 23:00:17 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000034 RBX=ffffffff95258d40 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90000426e50 R8 =ffffffff853f11fb R9 =1ffff110031b3046 R10=dffffc0000000000 R11=ffffffff853f11b0 R12=dffffc0000000000 R13=0000000000000034 R14=0000000000000034 R15=00000000000003f8 RIP=ffffffff853f122e RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000000000000000 ffffffff 00c00000 GS =0000 ffff888020800000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000000020001f00 CR3=000000003a6c4000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 Opmask00=00000000fffffff0 Opmask01=0000000001000001 Opmask02=00000000fff7ffff Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fff73696dd0 0000003000000010 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000001a0000000d0 00000000ffffffff ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000001a0000000d0 00000000ffffffff ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f6e0b97d0a1 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f6e0b97d0ad ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f6e0b97d0c1 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f6e0b97d228 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2525252525252525 2525252525252525 2525252525252525 2525252525252525 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 7865006a64615f65 726f63735f6d6f6f 2f666c65732f636f 72702f0030303031 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 5d40004f41445f40 574a46565f484a4a 0a434940560a464a 57550a0015151514 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000001 0000000000000000 0000000000000000 0000000000000048 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000524f525245 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00524f5252450040 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00e800a800000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000