Warning: Permanently added '10.128.1.55' (ECDSA) to the list of known hosts. syzkaller login: [ 507.732640][ T6876] IPVS: ftp: loaded support on port[0] = 21 [ 507.822227][ T6876] chnl_net:caif_netlink_parms(): no params data found [ 507.874106][ T6876] bridge0: port 1(bridge_slave_0) entered blocking state [ 507.882309][ T6876] bridge0: port 1(bridge_slave_0) entered disabled state [ 507.891035][ T6876] device bridge_slave_0 entered promiscuous mode [ 507.899950][ T6876] bridge0: port 2(bridge_slave_1) entered blocking state [ 507.907051][ T6876] bridge0: port 2(bridge_slave_1) entered disabled state [ 507.915171][ T6876] device bridge_slave_1 entered promiscuous mode [ 507.936042][ T6876] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 507.946954][ T6876] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 507.970597][ T6876] team0: Port device team_slave_0 added [ 507.977812][ T6876] team0: Port device team_slave_1 added [ 507.995988][ T6876] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 508.003057][ T6876] 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. [ 508.029036][ T6876] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 508.041539][ T6876] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 508.048477][ T6876] 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. [ 508.075251][ T6876] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 508.101652][ T6876] device hsr_slave_0 entered promiscuous mode [ 508.108319][ T6876] device hsr_slave_1 entered promiscuous mode [ 508.205132][ T6876] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 508.215410][ T6876] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 508.225335][ T6876] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 508.236228][ T6876] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 508.260158][ T6876] bridge0: port 2(bridge_slave_1) entered blocking state [ 508.267299][ T6876] bridge0: port 2(bridge_slave_1) entered forwarding state [ 508.275207][ T6876] bridge0: port 1(bridge_slave_0) entered blocking state [ 508.282359][ T6876] bridge0: port 1(bridge_slave_0) entered forwarding state [ 508.326943][ T6876] 8021q: adding VLAN 0 to HW filter on device bond0 [ 508.341344][ T6868] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 508.352584][ T6868] bridge0: port 1(bridge_slave_0) entered disabled state [ 508.361763][ T6868] bridge0: port 2(bridge_slave_1) entered disabled state [ 508.370879][ T6868] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 508.383423][ T6876] 8021q: adding VLAN 0 to HW filter on device team0 [ 508.395562][ T6936] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 508.405242][ T6936] bridge0: port 1(bridge_slave_0) entered blocking state [ 508.412580][ T6936] bridge0: port 1(bridge_slave_0) entered forwarding state [ 508.430901][ T7084] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 508.439780][ T7084] bridge0: port 2(bridge_slave_1) entered blocking state [ 508.446812][ T7084] bridge0: port 2(bridge_slave_1) entered forwarding state [ 508.470569][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 508.480603][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 508.489744][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 508.497929][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 508.508105][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 508.517970][ T6876] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 508.536180][ T6936] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 508.544152][ T6936] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 508.556952][ T6876] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 508.576401][ T6936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 508.596786][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 508.605700][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 508.614106][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 508.625940][ T6876] device veth0_vlan entered promiscuous mode [ 508.638168][ T6876] device veth1_vlan entered promiscuous mode [ 508.660068][ T6936] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 508.668079][ T6936] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 508.676782][ T6936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 508.687829][ T6876] device veth0_macvtap entered promiscuous mode [ 508.698351][ T6876] device veth1_macvtap entered promiscuous mode [ 508.716046][ T6876] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 508.724751][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 508.734954][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 508.747536][ T6876] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 508.756746][ T6936] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 508.767912][ T6876] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 508.777101][ T6876] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 508.786174][ T6876] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 508.795565][ T6876] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 613.833395][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 613.840525][ C1] rcu: 0-...0: (0 ticks this GP) idle=8b2/1/0x4000000000000000 softirq=9345/9345 fqs=5249 [ 613.850750][ C1] (detected by 1, t=10502 jiffies, g=8877, q=3702) [ 613.857335][ C1] Sending NMI from CPU 1 to CPUs 0: [ 613.863635][ C1] NMI backtrace for cpu 0 [ 613.863642][ C1] CPU: 0 PID: 6876 Comm: syz-executor967 Not tainted 5.8.0-syzkaller #0 [ 613.863650][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 613.863655][ C1] RIP: 0010:lock_release+0xca/0x8e0 [ 613.863668][ C1] Code: 00 44 8b 8b cc 08 00 00 45 85 c9 0f 85 e0 03 00 00 48 c7 c0 40 34 b6 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 <0f> 85 05 07 00 00 48 83 3d 78 c4 5b 08 00 0f 84 4d 05 00 00 9c 58 [ 613.863673][ C1] RSP: 0018:ffffc90000007cb0 EFLAGS: 00000046 [ 613.863682][ C1] RAX: 1ffffffff136c688 RBX: ffff8880931dc300 RCX: ffffffff866a7c13 [ 613.863689][ C1] RDX: dffffc0000000000 RSI: ffffffff866a798b RDI: ffff8880931dcbcc [ 613.863695][ C1] RBP: 1ffff92000000f98 R08: 0000000000000001 R09: 0000000000000000 [ 613.863701][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89bd62c0 [ 613.863708][ C1] R13: ffffffff866a798b R14: ffff8880a798b120 R15: 1769ee212ed3dc42 [ 613.863714][ C1] FS: 000000000227d880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 613.863720][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 613.863726][ C1] CR2: 0000000020000610 CR3: 00000000a75d0000 CR4: 00000000001506f0 [ 613.863732][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 613.863739][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 613.863742][ C1] Call Trace: [ 613.863744][ C1] [ 613.863749][ C1] ? lock_downgrade+0x830/0x830 [ 613.863753][ C1] ? do_raw_spin_lock+0x120/0x2b0 [ 613.863757][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 613.863761][ C1] advance_sched+0x56d/0x990 [ 613.863765][ C1] __hrtimer_run_queues+0x6a9/0xfc0 [ 613.863770][ C1] ? taprio_dequeue_soft+0xa40/0xa40 [ 613.863774][ C1] ? lockdep_hardirqs_off+0x70/0xc0 [ 613.863779][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 613.863784][ C1] ? ktime_get_update_offsets_now+0x1c4/0x250 [ 613.863787][ C1] hrtimer_interrupt+0x32a/0x930 [ 613.863792][ C1] __sysvec_apic_timer_interrupt+0x142/0x5e0 [ 613.863796][ C1] asm_call_on_stack+0xf/0x20 [ 613.863799][ C1] [ 613.863803][ C1] sysvec_apic_timer_interrupt+0xb2/0xf0 [ 613.863808][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 613.863813][ C1] RIP: 0010:on_each_cpu+0x149/0x240 [ 613.863827][ C1] Code: 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 e6 00 00 00 48 83 3d 9f da 4c 08 00 0f 84 af 00 00 00 e8 dc ef 0a 00 48 89 df 57 9d <0f> 1f 44 00 00 e8 cd ef 0a 00 bf 01 00 00 00 e8 c3 67 e6 ff 31 ff [ 613.863832][ C1] RSP: 0018:ffffc90005807d78 EFLAGS: 00000293 [ 613.863841][ C1] RAX: 0000000000000000 RBX: 0000000000000293 RCX: 1ffffffff15635e9 [ 613.863847][ C1] RDX: ffff8880931dc300 RSI: ffffffff816959b4 RDI: 0000000000000293 [ 613.863853][ C1] RBP: 0000000000000200 R08: 0000000000000001 R09: 0000000000000001 [ 613.863859][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 613.863865][ C1] R13: 0000000000000000 R14: ffffc90005807ed8 R15: ffffffffa0cbea01 [ 613.863869][ C1] ? on_each_cpu+0x144/0x240 [ 613.863873][ C1] clock_was_set+0x18/0x20 [ 613.863878][ C1] do_settimeofday64+0x39d/0x570 [ 613.863882][ C1] ? change_clocksource+0x290/0x290 [ 613.863886][ C1] ? capable+0xdd/0x100 [ 613.863890][ C1] do_sys_settimeofday64+0x1de/0x260 [ 613.863894][ C1] __x64_sys_clock_settime+0x197/0x260 [ 613.863898][ C1] ? exit_itimers+0x2d0/0x2d0 [ 613.863903][ C1] ? trace_hardirqs_on+0x5f/0x220 [ 613.863907][ C1] ? lockdep_hardirqs_on+0x76/0xf0 [ 613.863911][ C1] do_syscall_64+0x2d/0x70 [ 613.863916][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 613.863919][ C1] RIP: 0033:0x443859 [ 613.863933][ C1] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 0f fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 613.863938][ C1] RSP: 002b:00007ffd9ff81418 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3 [ 613.863948][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443859 [ 613.863954][ C1] RDX: 0000000000443859 RSI: 0000000020000400 RDI: 0000000000000000 [ 613.863960][ C1] RBP: 00007ffd9ff81420 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 613.863967][ C1] R10: 0000000001bbbbbb R11: 0000000000000246 R12: 00007ffd9ff81430 [ 613.863973][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000