[ 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. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.179' (ECDSA) to the list of known hosts. 2021/02/25 22:35:57 parsed 1 programs 2021/02/25 22:35:57 executed programs: 0 syzkaller login: [ 412.776027][ T8427] IPVS: ftp: loaded support on port[0] = 21 [ 412.945688][ T8427] chnl_net:caif_netlink_parms(): no params data found [ 413.001120][ T8427] bridge0: port 1(bridge_slave_0) entered blocking state [ 413.010098][ T8427] bridge0: port 1(bridge_slave_0) entered disabled state [ 413.020356][ T8427] device bridge_slave_0 entered promiscuous mode [ 413.033672][ T8427] bridge0: port 2(bridge_slave_1) entered blocking state [ 413.043932][ T8427] bridge0: port 2(bridge_slave_1) entered disabled state [ 413.053944][ T8427] device bridge_slave_1 entered promiscuous mode [ 413.077494][ T8427] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 413.091207][ T8427] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 413.115137][ T8427] team0: Port device team_slave_0 added [ 413.125066][ T8427] team0: Port device team_slave_1 added [ 413.146654][ T8427] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 413.155383][ T8427] 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. [ 413.183069][ T8427] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 413.196108][ T8427] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 413.205006][ T8427] 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. [ 413.238389][ T8427] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 413.268688][ T8427] device hsr_slave_0 entered promiscuous mode [ 413.275539][ T8427] device hsr_slave_1 entered promiscuous mode [ 413.385405][ T8427] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 413.398745][ T8427] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 413.410402][ T8427] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 413.422239][ T8427] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 413.451482][ T8427] bridge0: port 2(bridge_slave_1) entered blocking state [ 413.459381][ T8427] bridge0: port 2(bridge_slave_1) entered forwarding state [ 413.467311][ T8427] bridge0: port 1(bridge_slave_0) entered blocking state [ 413.474479][ T8427] bridge0: port 1(bridge_slave_0) entered forwarding state [ 413.524989][ T8427] 8021q: adding VLAN 0 to HW filter on device bond0 [ 413.539253][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 413.552923][ T19] bridge0: port 1(bridge_slave_0) entered disabled state [ 413.562776][ T19] bridge0: port 2(bridge_slave_1) entered disabled state [ 413.572651][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 413.587857][ T8427] 8021q: adding VLAN 0 to HW filter on device team0 [ 413.600790][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 413.610661][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 413.617980][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 413.631348][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 413.641129][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 413.648289][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 413.671908][ T8639] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 413.684251][ T8639] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 413.699238][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 413.712112][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 413.726861][ T8427] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 413.739459][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 413.747710][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 413.770287][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 413.779293][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 413.792814][ T8427] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 413.814343][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 413.837367][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 413.847783][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 413.856557][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 413.870024][ T8427] device veth0_vlan entered promiscuous mode [ 413.882588][ T8427] device veth1_vlan entered promiscuous mode [ 413.907083][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 413.916903][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 413.925868][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 413.938155][ T8427] device veth0_macvtap entered promiscuous mode [ 413.949364][ T8427] device veth1_macvtap entered promiscuous mode [ 413.966608][ T8427] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 413.974636][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 413.984228][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 413.997308][ T8427] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 414.005664][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 414.014521][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 414.026859][ T8427] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 414.036932][ T8427] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 414.046072][ T8427] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 414.055161][ T8427] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 414.154658][ T8449] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 414.166662][ T8449] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 414.193529][ T8663] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 414.196808][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 414.210667][ T8663] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 414.225443][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 414.749864][ T8649] Bluetooth: hci0: command 0x0409 tx timeout [ 415.684469][ T8772] BUG: sleeping function called from invalid context at arch/x86/mm/fault.c:1342 [ 415.694202][ T8772] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 8772, name: syz-executor.0 [ 415.707353][ T8772] 2 locks held by syz-executor.0/8772: [ 415.717231][ T8772] #0: ffffffff8bf73be0 (rcu_read_lock){....}-{1:2}, at: bpf_test_run+0x119/0xc50 [ 415.728197][ T8772] #1: ffff88801df0c058 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x285/0x1210 [ 415.742501][ T8772] Preemption disabled at: [ 415.742513][ T8772] [] migrate_disable+0x5e/0x160 [ 415.755651][ T8772] CPU: 1 PID: 8772 Comm: syz-executor.0 Not tainted 5.11.0-syzkaller #0 [ 415.764865][ T8772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.775145][ T8772] Call Trace: [ 415.778613][ T8772] dump_stack+0xfa/0x151 [ 415.783632][ T8772] ? migrate_disable+0x5e/0x160 [ 415.788503][ T8772] ___might_sleep.cold+0x1f1/0x237 [ 415.793702][ T8772] do_user_addr_fault+0x2c2/0x1210 [ 415.798879][ T8772] exc_page_fault+0x9e/0x180 [ 415.803567][ T8772] asm_exc_page_fault+0x1e/0x30 [ 415.808493][ T8772] RIP: 0010:bpf_prog_e48ebe87b99394c4+0x11/0x1dc [ 415.814846][ T8772] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 66 90 55 48 89 e5 31 c0 48 8b 47 28 <48> 8b 40 00 8b 80 d0 00 00 00 c9 c3 cc cc cc cc cc cc cc cc cc cc [ 415.834459][ T8772] RSP: 0018:ffffc900016bfb38 EFLAGS: 00010246 [ 415.840536][ T8772] RAX: 0000000000000000 RBX: ffffc90000e76000 RCX: 0000000000000000 [ 415.848625][ T8772] RDX: ffff888026cfd340 RSI: ffffc90000e76048 RDI: ffffc900016bfcb0 [ 415.856994][ T8772] RBP: ffffc900016bfb38 R08: 0000000000000001 R09: 0000000000000001 [ 415.865251][ T8772] R10: ffffffff8736bc17 R11: 0000000000000000 R12: ffff888026cfd340 [ 415.873261][ T8772] R13: ffffc90000e76000 R14: 0000000000000001 R15: 0000000000000000 [ 415.881253][ T8772] ? bpf_test_run+0x3a7/0xc50 [ 415.886091][ T8772] bpf_test_run+0x222/0xc50 [ 415.890617][ T8772] ? __bpf_prog_test_run_raw_tp+0x420/0x420 [ 415.896513][ T8772] ? bpf_dispatcher_change_prog+0x2e6/0x8f0 [ 415.902493][ T8772] bpf_prog_test_run_xdp+0x2c2/0x4d0 [ 415.907798][ T8772] ? bpf_prog_test_run_skb+0x1c50/0x1c50 [ 415.913448][ T8772] ? __fget_files+0x288/0x3d0 [ 415.918241][ T8772] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 415.924594][ T8772] ? fput+0x2a/0x50 [ 415.928503][ T8772] ? bpf_prog_test_run_skb+0x1c50/0x1c50 [ 415.934196][ T8772] __do_sys_bpf+0x1ea9/0x4f00 [ 415.938960][ T8772] ? __fget_files+0x288/0x3d0 [ 415.943643][ T8772] ? bpf_link_get_from_fd+0x110/0x110 [ 415.949110][ T8772] ? __fget_light+0xea/0x280 [ 415.953730][ T8772] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 415.959970][ T8772] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 415.966211][ T8772] ? fput+0x2a/0x50 [ 415.970049][ T8772] ? syscall_enter_from_user_mode+0x1d/0x50 [ 415.975943][ T8772] do_syscall_64+0x2d/0x70 [ 415.980464][ T8772] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 415.986381][ T8772] RIP: 0033:0x465ef9 [ 415.990270][ T8772] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 416.009986][ T8772] RSP: 002b:00007f6753c78188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 416.018443][ T8772] RAX: ffffffffffffffda RBX: 000000000056c0b0 RCX: 0000000000465ef9 [ 416.026420][ T8772] RDX: 0000000000000028 RSI: 0000000020000440 RDI: 000000000000000a [ 416.034475][ T8772] RBP: 00000000004bcd1c R08: 0000000000000000 R09: 0000000000000000 [ 416.042856][ T8772] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c0b0 [ 416.067712][ T8772] R13: 00007ffe255941bf R14: 00007f6753c78300 R15: 0000000000022000 [ 416.082498][ T8772] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 416.090521][ T8772] #PF: supervisor read access in kernel mode [ 416.096501][ T8772] #PF: error_code(0x0000) - not-present page [ 416.102475][ T8772] PGD 2539f067 P4D 2539f067 PUD 1fa2b067 PMD 0 [ 416.108742][ T8772] Oops: 0000 [#1] PREEMPT SMP KASAN [ 416.113938][ T8772] CPU: 1 PID: 8772 Comm: syz-executor.0 Tainted: G W 5.11.0-syzkaller #0 [ 416.123652][ T8772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.133978][ T8772] RIP: 0010:bpf_prog_e48ebe87b99394c4+0x11/0x1dc [ 416.140306][ T8772] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 66 90 55 48 89 e5 31 c0 48 8b 47 28 <48> 8b 40 00 8b 80 d0 00 00 00 c9 c3 cc cc cc cc cc cc cc cc cc cc [ 416.159906][ T8772] RSP: 0018:ffffc900016bfb38 EFLAGS: 00010246 [ 416.165972][ T8772] RAX: 0000000000000000 RBX: ffffc90000e76000 RCX: 0000000000000000 [ 416.174119][ T8772] RDX: ffff888026cfd340 RSI: ffffc90000e76048 RDI: ffffc900016bfcb0 [ 416.182169][ T8772] RBP: ffffc900016bfb38 R08: 0000000000000001 R09: 0000000000000001 [ 416.190252][ T8772] R10: ffffffff8736bc17 R11: 0000000000000000 R12: ffff888026cfd340 [ 416.198351][ T8772] R13: ffffc90000e76000 R14: 0000000000000001 R15: 0000000000000000 [ 416.206413][ T8772] FS: 00007f6753c78700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 416.215352][ T8772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 416.222003][ T8772] CR2: 00007f8d6e468000 CR3: 0000000025dfc000 CR4: 00000000001506e0 [ 416.230074][ T8772] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 416.238832][ T8772] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 416.246920][ T8772] Call Trace: [ 416.250191][ T8772] bpf_test_run+0x222/0xc50 [ 416.254695][ T8772] ? __bpf_prog_test_run_raw_tp+0x420/0x420 [ 416.260585][ T8772] ? bpf_dispatcher_change_prog+0x2e6/0x8f0 [ 416.266491][ T8772] bpf_prog_test_run_xdp+0x2c2/0x4d0 [ 416.271779][ T8772] ? bpf_prog_test_run_skb+0x1c50/0x1c50 [ 416.277410][ T8772] ? __fget_files+0x288/0x3d0 [ 416.282099][ T8772] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 416.288794][ T8772] ? fput+0x2a/0x50 [ 416.292641][ T8772] ? bpf_prog_test_run_skb+0x1c50/0x1c50 [ 416.299561][ T8772] __do_sys_bpf+0x1ea9/0x4f00 [ 416.304251][ T8772] ? __fget_files+0x288/0x3d0 [ 416.308939][ T8772] ? bpf_link_get_from_fd+0x110/0x110 [ 416.314418][ T8772] ? __fget_light+0xea/0x280 [ 416.319202][ T8772] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 416.325486][ T8772] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 416.331753][ T8772] ? fput+0x2a/0x50 [ 416.335596][ T8772] ? syscall_enter_from_user_mode+0x1d/0x50 [ 416.341589][ T8772] do_syscall_64+0x2d/0x70 [ 416.346204][ T8772] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 416.352097][ T8772] RIP: 0033:0x465ef9 [ 416.355991][ T8772] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 416.375701][ T8772] RSP: 002b:00007f6753c78188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 416.384119][ T8772] RAX: ffffffffffffffda RBX: 000000000056c0b0 RCX: 0000000000465ef9 [ 416.392095][ T8772] RDX: 0000000000000028 RSI: 0000000020000440 RDI: 000000000000000a [ 416.400232][ T8772] RBP: 00000000004bcd1c R08: 0000000000000000 R09: 0000000000000000 [ 416.408200][ T8772] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c0b0 [ 416.416193][ T8772] R13: 00007ffe255941bf R14: 00007f6753c78300 R15: 0000000000022000 [ 416.424179][ T8772] Modules linked in: [ 416.428090][ T8772] CR2: 0000000000000000 [ 416.437908][ T8772] ---[ end trace 89a712973557331f ]--- [ 416.443545][ T8772] RIP: 0010:bpf_prog_e48ebe87b99394c4+0x11/0x1dc [ 416.450055][ T8772] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 66 90 55 48 89 e5 31 c0 48 8b 47 28 <48> 8b 40 00 8b 80 d0 00 00 00 c9 c3 cc cc cc cc cc cc cc cc cc cc [ 416.470127][ T8772] RSP: 0018:ffffc900016bfb38 EFLAGS: 00010246 [ 416.476442][ T8772] RAX: 0000000000000000 RBX: ffffc90000e76000 RCX: 0000000000000000 [ 416.485187][ T8772] RDX: ffff888026cfd340 RSI: ffffc90000e76048 RDI: ffffc900016bfcb0 [ 416.493607][ T8772] RBP: ffffc900016bfb38 R08: 0000000000000001 R09: 0000000000000001 [ 416.504327][ T8772] R10: ffffffff8736bc17 R11: 0000000000000000 R12: ffff888026cfd340 [ 416.514346][ T8772] R13: ffffc90000e76000 R14: 0000000000000001 R15: 0000000000000000 [ 416.522471][ T8772] FS: 00007f6753c78700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 416.531475][ T8772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 416.538443][ T8772] CR2: 00007f8d6e468000 CR3: 0000000025dfc000 CR4: 00000000001506e0 [ 416.546454][ T8772] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 416.554601][ T8772] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 416.562673][ T8772] Kernel panic - not syncing: Fatal exception [ 416.570413][ T8772] Kernel Offset: disabled [ 416.574756][ T8772] Rebooting in 86400 seconds..