[ OK ] Started Getty on tty1. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.0' (ECDSA) to the list of known hosts. syzkaller login: [ 55.008075][ T6830] IPVS: ftp: loaded support on port[0] = 21 [ 55.138989][ T6830] chnl_net:caif_netlink_parms(): no params data found [ 55.191883][ T6830] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.199369][ T6830] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.207913][ T6830] device bridge_slave_0 entered promiscuous mode [ 55.217462][ T6830] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.225119][ T6830] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.233984][ T6830] device bridge_slave_1 entered promiscuous mode [ 55.253061][ T6830] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.263845][ T6830] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.284397][ T6830] team0: Port device team_slave_0 added [ 55.292497][ T6830] team0: Port device team_slave_1 added [ 55.309016][ T6830] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.316124][ T6830] 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. [ 55.343000][ T6830] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.355747][ T6830] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.363259][ T6830] 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. [ 55.390573][ T6830] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.452714][ T6830] device hsr_slave_0 entered promiscuous mode [ 55.500525][ T6830] device hsr_slave_1 entered promiscuous mode [ 55.622524][ T6830] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.672910][ T6830] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.732728][ T6830] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.793243][ T6830] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.865466][ T6830] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.872663][ T6830] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.880504][ T6830] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.887623][ T6830] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.931948][ T6830] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.945063][ T6960] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.955636][ T6960] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.964312][ T6960] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.972852][ T6960] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.985328][ T6830] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.996478][ T2576] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.005318][ T2576] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.012452][ T2576] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.024083][ T6960] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.033280][ T6960] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.040403][ T6960] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.062194][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.071812][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.087959][ T6830] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.098885][ T6830] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.113229][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.121010][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.129493][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.139302][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.156951][ T6960] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.164738][ T6960] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.178501][ T6830] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.200860][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 56.210571][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.231004][ T2663] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 56.239067][ T2663] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.249883][ T6830] device veth0_vlan entered promiscuous mode [ 56.261930][ T6830] device veth1_vlan entered promiscuous mode [ 56.268777][ T6960] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.276652][ T6960] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.284703][ T6960] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.307607][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.316148][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 56.325272][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.336218][ T6830] device veth0_macvtap entered promiscuous mode [ 56.346875][ T6830] device veth1_macvtap entered promiscuous mode [ 56.362916][ T6830] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.371732][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.381414][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 56.389302][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 56.398565][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.411955][ T6830] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.420006][ T2663] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 56.428677][ T2663] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 56.441659][ T6830] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.450659][ T6830] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.459315][ T6830] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.468650][ T6830] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 56.682618][ T12] ------------[ cut here ]------------ [ 56.688188][ T12] kernel BUG at mm/vmalloc.c:3089! [ 56.696515][ T12] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 56.702598][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.8.0-rc6-next-20200720-syzkaller #0 [ 56.712037][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.722092][ T12] Workqueue: events pcpu_balance_workfn [ 56.727639][ T12] RIP: 0010:pcpu_free_vm_areas+0x96/0xc0 [ 56.734563][ T12] Code: 75 48 48 8b 2b 48 8d 7d 08 48 89 f8 48 c1 e8 03 42 80 3c 30 00 75 2c 48 8b 7d 08 e8 c4 c8 ff ff 48 39 c5 74 a5 e8 ea c3 c9 ff <0f> 0b e8 e3 c3 c9 ff 4c 89 ff 5b 5d 41 5c 41 5d 41 5e 41 5f e9 71 [ 56.754150][ T12] RSP: 0018:ffffc90000d2fba8 EFLAGS: 00010293 [ 56.760192][ T12] RAX: 0000000000000000 RBX: ffff8880a801be00 RCX: 0000000000000000 [ 56.768137][ T12] RDX: ffff8880a95fa300 RSI: ffffffff81aa7c76 RDI: 0000000000000001 [ 56.776193][ T12] RBP: ffff8880a2b38180 R08: 0000000000000000 R09: ffffffff89cfecc3 [ 56.784139][ T12] R10: fffffbfff139fd98 R11: 0000000000000000 R12: 0000000000000000 [ 56.792101][ T12] R13: 0000000000000001 R14: dffffc0000000000 R15: ffff8880a801be00 [ 56.800053][ T12] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 56.808953][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.815508][ T12] CR2: 00000000004c8e48 CR3: 00000000a4c08000 CR4: 00000000001506f0 [ 56.823454][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.831401][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.839357][ T12] Call Trace: [ 56.842628][ T12] pcpu_balance_workfn+0x8b3/0x1310 [ 56.847802][ T12] ? do_raw_spin_lock+0x120/0x2b0 [ 56.852828][ T12] ? pcpu_create_chunk+0x730/0x730 [ 56.857915][ T12] ? lock_is_held_type+0xbb/0xf0 [ 56.862830][ T12] process_one_work+0x94c/0x1670 [ 56.867743][ T12] ? lock_release+0x8e0/0x8e0 [ 56.872455][ T12] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 56.877799][ T12] ? rwlock_bug.part.0+0x90/0x90 [ 56.882714][ T12] ? lockdep_hardirqs_off+0x6a/0xb0 [ 56.887887][ T12] worker_thread+0x64c/0x1120 [ 56.892541][ T12] ? __kthread_parkme+0x13f/0x1e0 [ 56.897572][ T12] ? process_one_work+0x1670/0x1670 [ 56.902741][ T12] kthread+0x3b5/0x4a0 [ 56.906784][ T12] ? __kthread_bind_mask+0xc0/0xc0 [ 56.911866][ T12] ? __kthread_bind_mask+0xc0/0xc0 [ 56.916964][ T12] ret_from_fork+0x1f/0x30 [ 56.921351][ T12] Modules linked in: [ 56.926900][ T12] ---[ end trace 6a2e56ec52e1f480 ]--- [ 56.932494][ T12] RIP: 0010:pcpu_free_vm_areas+0x96/0xc0 [ 56.938138][ T12] Code: 75 48 48 8b 2b 48 8d 7d 08 48 89 f8 48 c1 e8 03 42 80 3c 30 00 75 2c 48 8b 7d 08 e8 c4 c8 ff ff 48 39 c5 74 a5 e8 ea c3 c9 ff <0f> 0b e8 e3 c3 c9 ff 4c 89 ff 5b 5d 41 5c 41 5d 41 5e 41 5f e9 71 [ 56.957951][ T12] RSP: 0018:ffffc90000d2fba8 EFLAGS: 00010293 [ 56.964569][ T12] RAX: 0000000000000000 RBX: ffff8880a801be00 RCX: 0000000000000000 [ 56.972893][ T12] RDX: ffff8880a95fa300 RSI: ffffffff81aa7c76 RDI: 0000000000000001 [ 56.980911][ T12] RBP: ffff8880a2b38180 R08: 0000000000000000 R09: ffffffff89cfecc3 [ 56.988884][ T12] R10: fffffbfff139fd98 R11: 0000000000000000 R12: 0000000000000000 [ 56.996966][ T12] R13: 0000000000000001 R14: dffffc0000000000 R15: ffff8880a801be00 [ 57.004971][ T12] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 57.013978][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.020597][ T12] CR2: 00000000004c8e48 CR3: 00000000a4c08000 CR4: 00000000001506f0 [ 57.028659][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.036634][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.044646][ T12] Kernel panic - not syncing: Fatal exception [ 57.051947][ T12] Kernel Offset: disabled [ 57.056267][ T12] Rebooting in 86400 seconds..