Warning: Permanently added '10.128.0.171' (ECDSA) to the list of known hosts. 2020/08/28 15:20:14 parsed 1 programs 2020/08/28 15:20:14 executed programs: 0 syzkaller login: [ 1217.076013] audit: type=1400 audit(1598628014.741:8): avc: denied { execmem } for pid=6495 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 1218.204426] IPVS: ftp: loaded support on port[0] = 21 [ 1218.315260] chnl_net:caif_netlink_parms(): no params data found [ 1218.397496] bridge0: port 1(bridge_slave_0) entered blocking state [ 1218.404184] bridge0: port 1(bridge_slave_0) entered disabled state [ 1218.412106] device bridge_slave_0 entered promiscuous mode [ 1218.420064] bridge0: port 2(bridge_slave_1) entered blocking state [ 1218.426439] bridge0: port 2(bridge_slave_1) entered disabled state [ 1218.434239] device bridge_slave_1 entered promiscuous mode [ 1218.451461] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1218.460367] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1218.480510] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1218.487838] team0: Port device team_slave_0 added [ 1218.493882] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1218.501912] team0: Port device team_slave_1 added [ 1218.517453] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1218.523872] 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. [ 1218.549167] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1218.560741] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1218.566972] 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. [ 1218.592416] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1218.603189] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1218.610876] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1218.630632] device hsr_slave_0 entered promiscuous mode [ 1218.636401] device hsr_slave_1 entered promiscuous mode [ 1218.642944] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1218.650217] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1218.721220] bridge0: port 2(bridge_slave_1) entered blocking state [ 1218.727643] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1218.734863] bridge0: port 1(bridge_slave_0) entered blocking state [ 1218.741286] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1218.772824] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 1218.781022] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1218.789410] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1218.797760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1218.807234] bridge0: port 1(bridge_slave_0) entered disabled state [ 1218.815044] bridge0: port 2(bridge_slave_1) entered disabled state [ 1218.822452] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1218.834088] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1218.840343] 8021q: adding VLAN 0 to HW filter on device team0 [ 1218.849973] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1218.857803] bridge0: port 1(bridge_slave_0) entered blocking state [ 1218.864392] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1218.873984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1218.882754] bridge0: port 2(bridge_slave_1) entered blocking state [ 1218.889141] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1218.904257] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1218.912101] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1218.926639] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1218.937532] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1218.949171] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1218.955807] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1218.964529] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1218.972576] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1218.980482] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1218.992036] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 1219.003133] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1219.010615] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1219.017293] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1219.032347] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 1219.042504] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1219.075786] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 1219.083221] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 1219.090714] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 1219.101213] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1219.108948] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1219.115852] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1219.125336] device veth0_vlan entered promiscuous mode [ 1219.134110] device veth1_vlan entered promiscuous mode [ 1219.140732] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 1219.150343] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 1219.162686] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 1219.171871] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1219.179492] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1219.186784] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1219.196203] device veth0_macvtap entered promiscuous mode [ 1219.203067] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 1219.211462] device veth1_macvtap entered promiscuous mode [ 1219.220903] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 1219.223565] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 1219.237831] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1219.245948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1219.254080] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1219.264102] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1219.271096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1220.238781] Bluetooth: hci0: command 0x0409 tx timeout [ 1222.317951] Bluetooth: hci0: command 0x041b tx timeout [ 1224.397697] Bluetooth: hci0: command 0x040f tx timeout [ 1226.477372] Bluetooth: hci0: command 0x0419 tx timeout [ 1249.196411] NOHZ: local_softirq_pending 08 [ 1290.152599] NOHZ: local_softirq_pending 08 [ 1310.630697] NOHZ: local_softirq_pending 08 [ 1331.109594] NOHZ: local_softirq_pending 08 [ 1344.067430] Bluetooth: hci0: command 0x0406 tx timeout [ 1351.587408] NOHZ: local_softirq_pending 08 [ 1372.065840] NOHZ: local_softirq_pending 08 [ 1375.275067] INFO: task syz-executor.0:6732 blocked for more than 140 seconds. [ 1375.282451] Not tainted 4.19.142-syzkaller #0 [ 1375.288210] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1375.296609] syz-executor.0 D27216 6732 6496 0x00000004 [ 1375.302239] Call Trace: [ 1375.304845] __schedule+0x887/0x2040 [ 1375.309550] ? io_schedule_timeout+0x140/0x140 [ 1375.314178] ? usb_hcd_link_urb_to_ep+0x2bc/0x380 [ 1375.319698] ? mark_held_locks+0xf0/0xf0 [ 1375.323753] ? usb_hcd_submit_urb+0x1327/0x21d0 [ 1375.329112] schedule+0x8d/0x1b0 [ 1375.332490] schedule_timeout+0x92d/0xfe0 [ 1375.337335] ? do_raw_spin_unlock+0x171/0x230 [ 1375.341823] ? usleep_range+0x170/0x170 [ 1375.346553] ? wait_for_common+0x294/0x470 [ 1375.350784] ? lock_downgrade+0x720/0x720 [ 1375.355821] ? lock_acquire+0x170/0x3c0 [ 1375.359795] ? wait_for_common+0x9e/0x470 [ 1375.363972] ? _raw_spin_unlock_irq+0x24/0x80 [ 1375.369383] wait_for_common+0x29c/0x470 [ 1375.373442] ? finish_task_switch+0x118/0x780 [ 1375.378795] ? bit_wait_io_timeout+0x100/0x100 [ 1375.383381] ? mark_held_locks+0xf0/0xf0 [ 1375.388585] ? wake_up_q+0xe0/0xe0 [ 1375.392138] ? usb_submit_urb+0xb37/0x1300 [ 1375.397014] usb_start_wait_urb+0x14b/0x2b0 [ 1375.401331] ? usb_api_blocking_completion+0xa0/0xa0 [ 1375.407196] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 1375.412224] ? memset+0x20/0x40 [ 1375.416245] usb_bulk_msg+0x226/0x550 [ 1375.420100] proc_bulk+0x3de/0x860 [ 1375.423625] ? proc_control+0x7f0/0x7f0 [ 1375.428522] ? lock_downgrade+0x720/0x720 [ 1375.432663] ? lock_acquire+0x170/0x3c0 [ 1375.437296] usbdev_do_ioctl+0x696/0x3030 [ 1375.441439] ? futex_wake+0x159/0x480 [ 1375.445909] ? proc_bulk+0x860/0x860 [ 1375.449620] ? __lock_acquire+0x6de/0x3ff0 [ 1375.453859] ? mark_held_locks+0xf0/0xf0 [ 1375.459505] ? do_futex+0x163/0x1c40 [ 1375.463216] ? mark_held_locks+0xf0/0xf0 [ 1375.467882] ? set_next_entity+0xb52/0x1dc0 [ 1375.472196] ? mark_held_locks+0xf0/0xf0 [ 1375.476941] ? pick_next_entity+0x27e/0x580 [ 1375.481260] ? __might_fault+0x11f/0x1d0 [ 1375.485973] ? usbdev_compat_ioctl+0x30/0x30 [ 1375.490376] usbdev_ioctl+0x21/0x30 [ 1375.493989] do_vfs_ioctl+0xcdb/0x12e0 [ 1375.498897] ? selinux_file_ioctl+0x506/0x6c0 [ 1375.503397] ? ioctl_preallocate+0x200/0x200 [ 1375.508456] ? selinux_inode_link+0x20/0x20 [ 1375.512773] ? __fget+0x356/0x510 [ 1375.517240] ? do_dup2+0x450/0x450 [ 1375.520794] ksys_ioctl+0x9b/0xc0 [ 1375.524230] __x64_sys_ioctl+0x6f/0xb0 [ 1375.529012] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 1375.533589] do_syscall_64+0xf9/0x620 [ 1375.538205] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1375.543427] RIP: 0033:0x45d5b9 [ 1375.547307] Code: Bad RIP value. [ 1375.550684] RSP: 002b:00007f61a46a0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1375.559052] RAX: ffffffffffffffda RBX: 000000000001a940 RCX: 000000000045d5b9 [ 1375.566779] RDX: 0000000020000000 RSI: 00000000c0185502 RDI: 0000000000000003 [ 1375.574067] RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000 [ 1375.582046] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c [ 1375.589756] R13: 00007ffc1b34b70f R14: 00007f61a46a19c0 R15: 000000000118cf4c [ 1375.597574] [ 1375.597574] Showing all locks held in the system: [ 1375.603892] 1 lock held by khungtaskd/1090: [ 1375.608889] #0: 000000000af0ed43 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 [ 1375.617942] 1 lock held by in:imklog/6138: [ 1375.622164] #0: 0000000043012459 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 [ 1375.630862] [ 1375.632490] ============================================= [ 1375.632490] [ 1375.640189] NMI backtrace for cpu 0 [ 1375.643812] CPU: 0 PID: 1090 Comm: khungtaskd Not tainted 4.19.142-syzkaller #0 [ 1375.651237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1375.660568] Call Trace: [ 1375.663217] dump_stack+0x1fc/0x2fe [ 1375.666837] nmi_cpu_backtrace.cold+0x63/0xa2 [ 1375.671330] ? lapic_can_unplug_cpu.cold+0x39/0x39 [ 1375.676261] nmi_trigger_cpumask_backtrace+0x1a6/0x1eb [ 1375.681535] watchdog+0x991/0xe60 [ 1375.684992] ? reset_hung_task_detector+0x30/0x30 [ 1375.689818] kthread+0x33f/0x460 [ 1375.693178] ? kthread_park+0x180/0x180 [ 1375.697147] ret_from_fork+0x24/0x30 [ 1375.700966] Sending NMI from CPU 0 to CPUs 1: [ 1375.706158] NMI backtrace for cpu 1 [ 1375.706164] CPU: 1 PID: 3708 Comm: systemd-journal Not tainted 4.19.142-syzkaller #0 [ 1375.706170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1375.706174] RIP: 0010:unwind_next_frame+0x67/0x1c60 [ 1375.706184] Code: 50 70 f7 2e 81 48 8d 14 03 c7 02 f1 f1 f1 f1 c7 42 04 00 f3 f3 f3 48 89 fa 65 48 8b 34 25 28 00 00 00 48 89 b4 24 98 00 00 00 <31> f6 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e be 0a 00 00 [ 1375.706188] RSP: 0018:ffff888093497a08 EFLAGS: 00000a02 [ 1375.706195] RAX: dffffc0000000000 RBX: 1ffff11012692f49 RCX: 0000000000000005 [ 1375.706200] RDX: ffff888093497af0 RSI: add5711f3fd7f500 RDI: ffff888093497af0 [ 1375.706204] RBP: ffff888093497b70 R08: 0000000000000001 R09: 0000000000000001 [ 1375.706209] R10: 0000000000066061 R11: 0000000000000001 R12: ffff888093497b88 [ 1375.706214] R13: 0000000000000000 R14: ffff8880aa00ab40 R15: ffff888093497af0 [ 1375.706219] FS: 00007f414f2298c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 1375.706223] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1375.706228] CR2: 00007f414c5e04a0 CR3: 0000000093505000 CR4: 00000000001406e0 [ 1375.706233] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1375.706237] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1375.706240] Call Trace: [ 1375.706243] ? do_syscall_64+0xf9/0x620 [ 1375.706246] ? should_fail+0x142/0x7b0 [ 1375.706250] ? deref_stack_reg+0x1d0/0x1d0 [ 1375.706253] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1375.706257] __save_stack_trace+0x9f/0x190 [ 1375.706260] ? __lock_acquire+0x6de/0x3ff0 [ 1375.706264] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1375.706267] kasan_kmalloc+0xeb/0x160 [ 1375.706270] ? kmem_cache_alloc+0x110/0x370 [ 1375.706273] ? getname_flags+0xce/0x590 [ 1375.706277] ? do_sys_open+0x26c/0x520 [ 1375.706280] ? do_syscall_64+0xf9/0x620 [ 1375.706284] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1375.706288] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1375.706291] ? __put_seccomp_filter+0xa0/0xa0 [ 1375.706294] ? cache_alloc_refill+0x2f8/0x340 [ 1375.706298] ? lock_downgrade+0x720/0x720 [ 1375.706301] ? do_raw_spin_lock+0xcb/0x220 [ 1375.706305] ? do_raw_spin_unlock+0x171/0x230 [ 1375.706308] ? _raw_spin_unlock+0x29/0x40 [ 1375.706311] ? cache_alloc_refill+0x2f8/0x340 [ 1375.706315] ? kmem_cache_alloc+0x2b1/0x370 [ 1375.706318] kmem_cache_alloc+0x110/0x370 [ 1375.706321] getname_flags+0xce/0x590 [ 1375.706324] do_sys_open+0x26c/0x520 [ 1375.706327] ? filp_open+0x70/0x70 [ 1375.706331] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1375.706334] ? trace_hardirqs_off_caller+0x69/0x210 [ 1375.706338] ? do_syscall_64+0x21/0x620 [ 1375.706341] do_syscall_64+0xf9/0x620 [ 1375.706345] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1375.706348] RIP: 0033:0x7f414e7b9840 [ 1375.706358] Code: 73 01 c3 48 8b 0d 68 77 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 89 bb 20 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 [ 1375.706362] RSP: 002b:00007ffe21b25378 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1375.706370] RAX: ffffffffffffffda RBX: 00007ffe21b25680 RCX: 00007f414e7b9840 [ 1375.706374] RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 000055619f84a880 [ 1375.706379] RBP: 000000000000000d R08: 000000000000ffc0 R09: 00000000ffffffff [ 1375.706384] R10: 0000000000000069 R11: 0000000000000246 R12: 00000000ffffffff [ 1375.706388] R13: 000055619f83e060 R14: 00007ffe21b25640 R15: 000055619f84bfa0 [ 1375.707830] Kernel panic - not syncing: hung_task: blocked tasks [ 1376.037231] CPU: 0 PID: 1090 Comm: khungtaskd Not tainted 4.19.142-syzkaller #0 [ 1376.044669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1376.054014] Call Trace: [ 1376.056613] dump_stack+0x1fc/0x2fe [ 1376.060222] panic+0x26a/0x50e [ 1376.063393] ? __warn_printk+0xf3/0xf3 [ 1376.067278] ? lapic_can_unplug_cpu.cold+0x39/0x39 [ 1376.072200] ? ___preempt_schedule+0x16/0x18 [ 1376.076590] ? watchdog+0x991/0xe60 [ 1376.080198] ? nmi_trigger_cpumask_backtrace+0x15e/0x1eb [ 1376.085629] watchdog+0x9a2/0xe60 [ 1376.089064] ? reset_hung_task_detector+0x30/0x30 [ 1376.093886] kthread+0x33f/0x460 [ 1376.097235] ? kthread_park+0x180/0x180 [ 1376.101190] ret_from_fork+0x24/0x30 [ 1376.106566] Kernel Offset: disabled [ 1376.110190] Rebooting in 86400 seconds..