DUID 00:04:a3:03:08:15:93:78:e3:1f:4c:1c:fb:56:e6:f5:4b:05 forked to background, child pid 3170 [ 22.161562][ T3171] 8021q: adding VLAN 0 to HW filter on device bond0 [ 22.174087][ T3171] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.76' (ECDSA) to the list of known hosts. 2022/04/26 00:24:48 fuzzer started 2022/04/26 00:24:49 dialing manager at 10.128.0.169:40067 syzkaller login: [ 41.023220][ T3590] cgroup: Unknown subsys name 'net' [ 41.133734][ T3590] cgroup: Unknown subsys name 'rlimit' 2022/04/26 00:24:49 syscalls: 3654 2022/04/26 00:24:49 code coverage: enabled 2022/04/26 00:24:49 comparison tracing: enabled 2022/04/26 00:24:49 extra coverage: enabled 2022/04/26 00:24:49 delay kcov mmap: enabled 2022/04/26 00:24:49 setuid sandbox: enabled 2022/04/26 00:24:49 namespace sandbox: enabled 2022/04/26 00:24:49 Android sandbox: /sys/fs/selinux/policy does not exist 2022/04/26 00:24:49 fault 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2022/04/26 00:25:56 fetching corpus: 15550, signal 489689/626909 (executing program) 2022/04/26 00:25:56 fetching corpus: 15600, signal 490118/627358 (executing program) 2022/04/26 00:25:56 fetching corpus: 15650, signal 490648/627635 (executing program) 2022/04/26 00:25:57 fetching corpus: 15700, signal 490997/627635 (executing program) [ 132.681289][ T1223] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.687683][ T1223] ieee802154 phy1 wpan1: encryption failed: -22 [ 194.131339][ T1223] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.137613][ T1223] ieee802154 phy1 wpan1: encryption failed: -22 [ 216.380304][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 216.387153][ C1] rcu: 1-....: (10797 ticks this GP) idle=437/1/0x4000000000000000 softirq=4716/4718 fqs=4101 [ 216.397563][ C1] (t=10500 jiffies g=3557 q=41 ncpus=2) [ 216.403182][ C1] NMI backtrace for cpu 1 [ 216.407488][ C1] CPU: 1 PID: 3589 Comm: syz-fuzzer Not tainted 5.18.0-rc3-next-20220422-syzkaller #0 [ 216.417009][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 216.427053][ C1] Call Trace: [ 216.430319][ C1] <IRQ> [ 216.433161][ C1] dump_stack_lvl+0xcd/0x134 [ 216.437748][ C1] nmi_cpu_backtrace.cold+0x47/0x144 [ 216.443024][ C1] ? lapic_can_unplug_cpu+0x80/0x80 [ 216.448208][ C1] nmi_trigger_cpumask_backtrace+0x1e6/0x230 [ 216.454188][ C1] rcu_dump_cpu_stacks+0x262/0x3f0 [ 216.459284][ C1] rcu_sched_clock_irq.cold+0x144/0x8fc [ 216.464830][ C1] ? do_raw_spin_unlock+0x171/0x230 [ 216.470445][ C1] ? rcutree_dead_cpu+0x30/0x30 [ 216.475278][ C1] ? timekeeping_advance+0x978/0xe30 [ 216.480559][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 216.485404][ C1] ? timekeeping_inject_offset+0x620/0x620 [ 216.491205][ C1] ? tick_sched_do_timer+0x470/0x470 [ 216.496486][ C1] update_process_times+0x16d/0x200 [ 216.501678][ C1] tick_sched_handle+0x9b/0x180 [ 216.506519][ C1] tick_sched_timer+0xee/0x120 [ 216.511275][ C1] __hrtimer_run_queues+0x1c0/0xe50 [ 216.516458][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 216.522505][ C1] ? ktime_get_update_offsets_now+0x3eb/0x5c0 [ 216.528561][ C1] hrtimer_interrupt+0x31c/0x790 [ 216.533484][ C1] __sysvec_apic_timer_interrupt+0x146/0x530 [ 216.539455][ C1] sysvec_apic_timer_interrupt+0x40/0xc0 [ 216.545071][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 216.551039][ C1] RIP: 0010:kvm_wait+0x98/0x100 [ 216.555873][ C1] Code: fa 83 e2 07 38 d0 7f 04 84 c0 75 63 0f b6 07 40 38 c6 74 35 48 83 c4 10 c3 c3 e8 23 91 4b 00 eb 07 0f 00 2d da b1 94 08 fb f4 <48> 83 c4 10 c3 89 74 24 0c 48 89 3c 24 e8 56 8f 4b 00 8b 74 24 0c [ 216.575470][ C1] RSP: 0018:ffffc90000de0360 EFLAGS: 00000246 [ 216.581712][ C1] RAX: 0000000000000007 RBX: 0000000000000000 RCX: 1ffffffff1b73199 [ 216.589754][ C1] RDX: 0000000000000000 RSI: ffffffff81807171 RDI: ffffffff8134dffd [ 216.597798][ C1] RBP: ffff88801c058948 R08: 0000000000000000 R09: 0000000000000000 [ 216.605754][ C1] R10: ffffffff81807158 R11: 0000000000000001 R12: 0000000000000000 [ 216.613710][ C1] R13: ffffed100380b129 R14: 0000000000000001 R15: ffff8880b9d3ae40 [ 216.621687][ C1] ? trace_hardirqs_on+0x38/0x1c0 [ 216.626714][ C1] ? trace_hardirqs_on+0x51/0x1c0 [ 216.631731][ C1] ? kvm_wait+0x8d/0x100 [ 216.636065][ C1] __pv_queued_spin_lock_slowpath+0x8c7/0xb50 [ 216.642119][ C1] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 216.648526][ C1] ? rcu_read_lock_sched_held+0xd/0x70 [ 216.653981][ C1] ? lock_acquire+0x480/0x570 [ 216.658655][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 216.664885][ C1] ? debug_locks_off+0x23/0x80 [ 216.669640][ C1] do_raw_spin_lock+0x200/0x2a0 [ 216.674480][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 216.679525][ C1] ? page_to_skb+0x78c/0xc10 [ 216.684107][ C1] __get_task_comm+0x23/0x50 [ 216.688691][ C1] __set_page_owner+0x253/0x380 [ 216.693526][ C1] get_page_from_freelist+0xba2/0x3e00 [ 216.698978][ C1] ? rcu_read_lock_sched_held+0xd/0x70 [ 216.704428][ C1] ? lock_release+0x560/0x780 [ 216.709189][ C1] ? __zone_watermark_ok+0x450/0x450 [ 216.714463][ C1] ? prepare_alloc_pages+0x17b/0x570 [ 216.719736][ C1] __alloc_pages+0x1b2/0x500 [ 216.724322][ C1] ? __alloc_pages_slowpath.constprop.0+0x20a0/0x20a0 [ 216.731077][ C1] ? ip_local_deliver_finish+0x324/0x4c0 [ 216.736713][ C1] ? ip_sublist_rcv_finish+0x9a/0x2c0 [ 216.742083][ C1] alloc_pages+0x1aa/0x310 [ 216.746499][ C1] allocate_slab+0x26c/0x3c0 [ 216.751113][ C1] ___slab_alloc+0x985/0xd90 [ 216.755696][ C1] ? __build_skb+0x21/0x60 [ 216.760107][ C1] ? __build_skb+0x21/0x60 [ 216.764520][ C1] __slab_alloc.constprop.0+0x4d/0xa0 [ 216.770253][ C1] ? __build_skb+0x21/0x60 [ 216.774664][ C1] kmem_cache_alloc+0x360/0x3b0 [ 216.779507][ C1] __build_skb+0x21/0x60 [ 216.783748][ C1] build_skb+0x1e/0x280 [ 216.787897][ C1] page_to_skb+0x78c/0xc10 [ 216.792315][ C1] receive_buf+0xdc5/0x54c0 [ 216.796839][ C1] ? virtnet_restore+0x8b0/0x8b0 [ 216.801780][ C1] ? qmi_handle_release+0x101/0x5f0 [ 216.806974][ C1] ? __sanitizer_cov_trace_cmp2+0x22/0x80 [ 216.812687][ C1] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 216.818922][ C1] ? detach_buf_split+0x543/0x710 [ 216.823936][ C1] ? rcu_read_lock_sched_held+0xd/0x70 [ 216.829391][ C1] ? virtqueue_get_buf_ctx_split+0x423/0x5f0 [ 216.835369][ C1] virtnet_poll+0x5cd/0x11a0 [ 216.839954][ C1] ? receive_buf+0x54c0/0x54c0 [ 216.844714][ C1] ? rcu_read_lock_sched_held+0xd/0x70 [ 216.850172][ C1] ? lock_release+0x560/0x780 [ 216.854845][ C1] ? lock_release+0x560/0x780 [ 216.859511][ C1] ? try_to_wake_up+0x5ae/0x1800 [ 216.864439][ C1] __napi_poll+0xb3/0x6e0 [ 216.868855][ C1] net_rx_action+0x8ec/0xc60 [ 216.873434][ C1] ? napi_threaded_poll+0x520/0x520 [ 216.878718][ C1] ? sched_clock_cpu+0x15/0x1f0 [ 216.883701][ C1] __do_softirq+0x29b/0x9c2 [ 216.888213][ C1] __irq_exit_rcu+0x123/0x180 [ 216.892890][ C1] irq_exit_rcu+0x5/0x20 [ 216.897116][ C1] common_interrupt+0xa9/0xc0 [ 216.901796][ C1] </IRQ> [ 216.904716][ C1] <TASK> [ 216.907631][ C1] asm_common_interrupt+0x1e/0x40 [ 216.912654][ C1] RIP: 0010:strscpy+0x0/0x2a0 [ 216.917338][ C1] Code: 84 00 00 00 00 00 0f 1f 40 00 53 be 01 00 00 00 48 89 fb e8 62 3f a7 fd 48 8b 03 5b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 <48> 85 d2 0f 84 58 02 00 00 41 57 41 56 41 55 41 54 49 89 d4 55 53 [ 216.936941][ C1] RSP: 0018:ffffc90002d6f2f8 EFLAGS: 00000293 [ 216.942990][ C1] RAX: 0000000000000000 RBX: 0000000000000010 RCX: 0000000000000000 [ 216.950940][ C1] RDX: 0000000000000010 RSI: ffff88801c058830 RDI: ffff88801392ea68 [ 216.958890][ C1] RBP: ffff88801392ea68 R08: 0000000000000001 R09: 0000000000000003 [ 216.966840][ C1] R10: fffff520005ade56 R11: 0000000000000001 R12: ffff88801c058830 [ 216.974791][ C1] R13: 0000000000000010 R14: ffff88801392ea48 R15: 0000000000000007 [ 216.982749][ C1] strscpy_pad+0x20/0x70 [ 216.986980][ C1] __get_task_comm+0x35/0x50 [ 216.991554][ C1] __set_page_owner+0x253/0x380 [ 216.996388][ C1] get_page_from_freelist+0xba2/0x3e00 [ 217.001830][ C1] ? kernel_text_address+0x39/0x80 [ 217.006928][ C1] ? unwind_get_return_address+0x51/0x90 [ 217.012543][ C1] ? create_prof_cpu_mask+0x20/0x20 [ 217.017727][ C1] ? __zone_watermark_ok+0x450/0x450 [ 217.022989][ C1] ? prepare_alloc_pages+0x17b/0x570 [ 217.028267][ C1] __alloc_pages+0x1b2/0x500 [ 217.032835][ C1] ? __alloc_pages_slowpath.constprop.0+0x20a0/0x20a0 [ 217.039576][ C1] ? rcu_read_lock_sched_held+0xd/0x70 [ 217.045021][ C1] ? lock_release+0x560/0x780 [ 217.049683][ C1] ? __might_fault+0xd1/0x170 [ 217.054342][ C1] ? lock_acquire+0x480/0x570 [ 217.059002][ C1] ? rcu_read_lock_sched_held+0xd/0x70 [ 217.064446][ C1] ? lock_release+0x560/0x780 [ 217.069107][ C1] ? ___slab_alloc+0x253/0xd90 [ 217.073854][ C1] alloc_pages+0x1aa/0x310 [ 217.078258][ C1] ? copyout.part.0+0xdf/0x100 [ 217.083011][ C1] allocate_slab+0x26c/0x3c0 [ 217.087595][ C1] ___slab_alloc+0x985/0xd90 [ 217.092169][ C1] ? __alloc_skb+0x215/0x340 [ 217.096742][ C1] ? lock_acquire+0x480/0x570 [ 217.101407][ C1] ? lock_release+0x560/0x780 [ 217.106154][ C1] ? lock_release+0x780/0x780 [ 217.110815][ C1] ? tcp_mstamp_refresh+0x12/0xa0 [ 217.115836][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 217.120671][ C1] ? debug_check_no_obj_freed+0x20c/0x420 [ 217.126382][ C1] ? __alloc_skb+0x215/0x340 [ 217.130956][ C1] __slab_alloc.constprop.0+0x4d/0xa0 [ 217.136328][ C1] kmem_cache_alloc_node+0x122/0x3f0 [ 217.141747][ C1] ? __alloc_skb+0x215/0x340 [ 217.146343][ C1] __alloc_skb+0x215/0x340 [ 217.150779][ C1] __tcp_send_ack.part.0+0x67/0x760 [ 217.155980][ C1] tcp_send_ack+0x7d/0xa0 [ 217.160294][ C1] tcp_cleanup_rbuf+0x46c/0x5b0 [ 217.165132][ C1] tcp_recvmsg_locked+0x738/0x1fd0 [ 217.170250][ C1] ? rcu_tasks_trace_postgp+0xa37/0xa80 [ 217.175788][ C1] ? tcp_update_recv_tstamps+0x230/0x230 [ 217.181409][ C1] ? __local_bh_enable_ip+0xa0/0x120 [ 217.186676][ C1] tcp_recvmsg+0x127/0x600 [ 217.191080][ C1] ? tcp_recv_timestamp+0x6e0/0x6e0 [ 217.196266][ C1] ? aa_sk_perm+0x30f/0xaa0 [ 217.200766][ C1] inet_recvmsg+0x115/0x5e0 [ 217.205269][ C1] ? lock_acquire+0x480/0x570 [ 217.209938][ C1] ? inet_sendpage+0x140/0x140 [ 217.214687][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 217.220911][ C1] ? security_socket_recvmsg+0x8f/0xc0 [ 217.226353][ C1] sock_read_iter+0x336/0x470 [ 217.231018][ C1] ? ____sys_recvmsg+0x5f0/0x5f0 [ 217.235941][ C1] ? futex_wake+0x155/0x490 [ 217.240428][ C1] ? aa_path_link+0x2f0/0x2f0 [ 217.245086][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 217.251322][ C1] new_sync_read+0x4f9/0x5f0 [ 217.255896][ C1] ? ksys_lseek+0x1b0/0x1b0 [ 217.260379][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 217.265245][ C1] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 217.271470][ C1] ? security_file_permission+0xab/0xd0 [ 217.276997][ C1] vfs_read+0x492/0x5d0 [ 217.281156][ C1] ksys_read+0x1e8/0x250 [ 217.285468][ C1] ? vfs_write+0xac0/0xac0 [ 217.289889][ C1] ? syscall_enter_from_user_mode+0x21/0x70 [ 217.295769][ C1] do_syscall_64+0x35/0xb0 [ 217.300172][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 217.306048][ C1] RIP: 0033:0x49dfbb [ 217.309934][ C1] Code: e8 aa 4b fc ff eb 88 cc cc cc cc cc cc cc cc e8 bb 8f fc ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30 [ 217.329522][ C1] RSP: 002b:000000c0006f5948 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 217.337917][ C1] RAX: ffffffffffffffda RBX: 000000c000020800 RCX: 000000000049dfbb [ 217.345871][ C1] RDX: 0000000000001000 RSI: 000000c000521000 RDI: 0000000000000006 [ 217.353822][ C1] RBP: 000000c0006f5998 R08: 0000000000000000 R09: 0000000000000000 [ 217.361771][ C1] R10: 0000000000000000 R11: 0000000000000212 R12: 000000c000241eb0 [ 217.369727][ C1] R13: 0000000000000000 R14: 000000c000252d00 R15: 0000000000000004 [ 217.377683][ C1] </TASK>