forked to background, child pid 3172 no interfaces have a carri[ 27.836468][ T3173] 8021q: adding VLAN 0 to HW filter on device bond0 er [ 27.848815][ T3173] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.43' (ECDSA) to the list of known hosts. 2022/04/25 23:07:24 fuzzer started 2022/04/25 23:07:24 dialing manager at 10.128.0.169:40067 syzkaller login: [ 53.943007][ T3591] cgroup: Unknown subsys name 'net' [ 54.053436][ T3591] cgroup: Unknown subsys name 'rlimit' 2022/04/25 23:07:32 syscalls: 3654 2022/04/25 23:07:32 code coverage: enabled 2022/04/25 23:07:32 comparison tracing: enabled 2022/04/25 23:07:32 extra coverage: enabled 2022/04/25 23:07:32 delay kcov mmap: enabled 2022/04/25 23:07:32 setuid sandbox: enabled 2022/04/25 23:07:32 namespace sandbox: enabled 2022/04/25 23:07:32 Android sandbox: /sys/fs/selinux/policy does not exist 2022/04/25 23:07:32 fault injection: enabled 2022/04/25 23:07:32 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2022/04/25 23:07:32 net packet injection: enabled 2022/04/25 23:07:32 net device setup: enabled 2022/04/25 23:07:32 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/04/25 23:07:32 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/04/25 23:07:32 USB emulation: enabled 2022/04/25 23:07:32 hci packet injection: enabled 2022/04/25 23:07:32 wifi device emulation: enabled 2022/04/25 23:07:32 802.15.4 emulation: enabled 2022/04/25 23:07:32 fetching corpus: 0, signal 0/2000 (executing program) 2022/04/25 23:07:32 fetching corpus: 50, signal 51153/54804 (executing program) 2022/04/25 23:07:32 fetching corpus: 99, signal 65839/71179 (executing program) 2022/04/25 23:07:32 fetching corpus: 149, signal 77275/84228 (executing program) 2022/04/25 23:07:32 fetching corpus: 199, signal 86849/95366 (executing program) 2022/04/25 23:07:32 fetching corpus: 249, signal 95374/105408 (executing program) 2022/04/25 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NMI backtrace for cpu 1 [ 213.016674][ C1] CPU: 1 PID: 3594 Comm: syz-fuzzer Not tainted 5.18.0-rc3-next-20220422-syzkaller #0 [ 213.026635][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 213.036676][ C1] Call Trace: [ 213.039941][ C1] <IRQ> [ 213.042800][ C1] dump_stack_lvl+0xcd/0x134 [ 213.047387][ C1] nmi_cpu_backtrace.cold+0x47/0x144 [ 213.052661][ C1] ? lapic_can_unplug_cpu+0x80/0x80 [ 213.057846][ C1] nmi_trigger_cpumask_backtrace+0x1e6/0x230 [ 213.063816][ C1] rcu_dump_cpu_stacks+0x262/0x3f0 [ 213.069017][ C1] rcu_sched_clock_irq.cold+0x144/0x8fc [ 213.074550][ C1] ? do_raw_spin_unlock+0x171/0x230 [ 213.079745][ C1] ? rcutree_dead_cpu+0x30/0x30 [ 213.084606][ C1] ? timekeeping_advance+0x978/0xe30 [ 213.090004][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 213.094853][ C1] ? timekeeping_inject_offset+0x620/0x620 [ 213.100651][ C1] ? tick_sched_do_timer+0x470/0x470 [ 213.105935][ C1] update_process_times+0x16d/0x200 [ 213.111129][ C1] tick_sched_handle+0x9b/0x180 [ 213.115981][ C1] tick_sched_timer+0xee/0x120 [ 213.120734][ C1] __hrtimer_run_queues+0x1c0/0xe50 [ 213.125926][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 213.131903][ C1] ? ktime_get_update_offsets_now+0x3eb/0x5c0 [ 213.137968][ C1] hrtimer_interrupt+0x31c/0x790 [ 213.142899][ C1] __sysvec_apic_timer_interrupt+0x146/0x530 [ 213.148880][ C1] sysvec_apic_timer_interrupt+0x40/0xc0 [ 213.154507][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 213.160486][ C1] RIP: 0010:kvm_wait+0x98/0x100 [ 213.165328][ 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 [ 213.184944][ C1] RSP: 0018:ffffc90000de0330 EFLAGS: 00000246 [ 213.190999][ C1] RAX: 0000000000000007 RBX: 0000000000000000 RCX: 1ffffffff1b73199 [ 213.198955][ C1] RDX: 0000000000000000 RSI: ffffffff81807171 RDI: ffffffff8134dffd [ 213.206914][ C1] RBP: ffff88801bc726c8 R08: 0000000000000000 R09: 0000000000000000 [ 213.214868][ C1] R10: ffffffff81807158 R11: 0000000000000001 R12: 0000000000000000 [ 213.222826][ C1] R13: ffffed100378e4d9 R14: 0000000000000001 R15: ffff8880b9d3ae40 [ 213.230788][ C1] ? trace_hardirqs_on+0x38/0x1c0 [ 213.235807][ C1] ? trace_hardirqs_on+0x51/0x1c0 [ 213.240825][ C1] ? kvm_wait+0x8d/0x100 [ 213.245064][ C1] __pv_queued_spin_lock_slowpath+0x8c7/0xb50 [ 213.251123][ C1] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 213.257530][ C1] ? rcu_read_lock_sched_held+0xd/0x70 [ 213.262994][ C1] ? lock_acquire+0x480/0x570 [ 213.267672][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 213.273906][ C1] ? debug_locks_off+0x23/0x80 [ 213.278657][ C1] do_raw_spin_lock+0x200/0x2a0 [ 213.283498][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 213.288423][ C1] ? page_to_skb+0x17d/0xc10 [ 213.293005][ C1] __get_task_comm+0x23/0x50 [ 213.297585][ C1] __set_page_owner+0x253/0x380 [ 213.302426][ C1] get_page_from_freelist+0xba2/0x3e00 [ 213.307892][ C1] ? tcp_v4_early_demux+0x9f0/0x9f0 [ 213.313077][ C1] ? __zone_watermark_ok+0x450/0x450 [ 213.318344][ C1] ? prepare_alloc_pages+0x17b/0x570 [ 213.323609][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 213.328465][ C1] ? ip_protocol_deliver_rcu+0xb30/0xb30 [ 213.334088][ C1] __alloc_pages+0x1b2/0x500 [ 213.338674][ C1] ? ip_protocol_deliver_rcu+0x71e/0xb30 [ 213.344300][ C1] ? __alloc_pages_slowpath.constprop.0+0x20a0/0x20a0 [ 213.351050][ C1] ? ip_local_deliver_finish+0x324/0x4c0 [ 213.356692][ C1] ? lock_acquire+0x480/0x570 [ 213.361372][ C1] ? rcu_read_lock_sched_held+0xd/0x70 [ 213.366833][ C1] ? lock_release+0x560/0x780 [ 213.371507][ C1] ? ___slab_alloc+0x253/0xd90 [ 213.376264][ C1] alloc_pages+0x1aa/0x310 [ 213.380685][ C1] ? ip_sublist_rcv+0x538/0x990 [ 213.385533][ C1] allocate_slab+0x26c/0x3c0 [ 213.390111][ C1] ___slab_alloc+0x985/0xd90 [ 213.394683][ C1] ? __napi_alloc_skb+0x70/0x310 [ 213.399606][ C1] ? ip_sublist_rcv+0x990/0x990 [ 213.404446][ C1] ? ip_rcv_core+0x8ab/0xe10 [ 213.409026][ C1] ? __napi_alloc_skb+0x70/0x310 [ 213.413947][ C1] __slab_alloc.constprop.0+0x4d/0xa0 [ 213.419304][ C1] __kmalloc_node_track_caller+0x2cb/0x360 [ 213.425092][ C1] ? __napi_alloc_skb+0x70/0x310 [ 213.430015][ C1] __alloc_skb+0xde/0x340 [ 213.434333][ C1] __napi_alloc_skb+0x70/0x310 [ 213.439137][ C1] page_to_skb+0x17d/0xc10 [ 213.443559][ C1] receive_buf+0xdc5/0x54c0 [ 213.448075][ C1] ? virtnet_restore+0x8b0/0x8b0 [ 213.453013][ C1] ? qmi_handle_release+0x102/0x5f0 [ 213.458209][ C1] ? __sanitizer_cov_trace_cmp2+0x22/0x80 [ 213.463929][ C1] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 213.470162][ C1] ? detach_buf_split+0x543/0x710 [ 213.475190][ C1] ? rcu_read_lock_sched_held+0xd/0x70 [ 213.480641][ C1] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 213.486867][ C1] ? virtqueue_get_buf_ctx_split+0x423/0x5f0 [ 213.492831][ C1] ? __napi_schedule+0x2e7/0x410 [ 213.497772][ C1] virtnet_poll+0x5cd/0x11a0 [ 213.502362][ C1] ? receive_buf+0x54c0/0x54c0 [ 213.507130][ C1] ? rcu_read_lock_sched_held+0xd/0x70 [ 213.512590][ C1] ? lock_release+0x560/0x780 [ 213.517269][ C1] ? lock_release+0x560/0x780 [ 213.521959][ C1] ? try_to_wake_up+0x5ae/0x1800 [ 213.526882][ C1] __napi_poll+0xb3/0x6e0 [ 213.531201][ C1] net_rx_action+0x8ec/0xc60 [ 213.535777][ C1] ? napi_threaded_poll+0x520/0x520 [ 213.540960][ C1] ? sched_clock_cpu+0x15/0x1f0 [ 213.545801][ C1] __do_softirq+0x29b/0x9c2 [ 213.550302][ C1] __irq_exit_rcu+0x123/0x180 [ 213.554966][ C1] irq_exit_rcu+0x5/0x20 [ 213.559188][ C1] common_interrupt+0xa9/0xc0 [ 213.563867][ C1] </IRQ> [ 213.566782][ C1] <TASK> [ 213.569693][ C1] asm_common_interrupt+0x1e/0x40 [ 213.574705][ C1] RIP: 0010:memset_erms+0xb/0x10 [ 213.579632][ C1] Code: 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 f3 aa <4c> 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01 [ 213.599221][ C1] RSP: 0018:ffffc90002ebf2a8 EFLAGS: 00000202 [ 213.605375][ C1] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 [ 213.613326][ C1] RDX: 0000000000000005 RSI: 0000000000000000 RDI: ffff888013a8ce78 [ 213.621277][ C1] RBP: ffff888013a8ce68 R08: 0000000000000001 R09: ffff888013a8ce73 [ 213.629227][ C1] R10: ffffed10027519ce R11: 0000000000000001 R12: 000000000000000a [ 213.637181][ C1] R13: 0000000000000010 R14: ffff888013a8ce48 R15: 0000000000000007 [ 213.645226][ C1] strscpy_pad+0x62/0x70 [ 213.649544][ C1] __get_task_comm+0x35/0x50 [ 213.654121][ C1] __set_page_owner+0x253/0x380 [ 213.658956][ C1] get_page_from_freelist+0xba2/0x3e00 [ 213.664418][ C1] ? is_bpf_text_address+0x99/0x170 [ 213.669602][ C1] ? kernel_text_address+0x39/0x80 [ 213.674701][ C1] ? arch_stack_walk+0x93/0xe0 [ 213.679453][ C1] ? __zone_watermark_ok+0x450/0x450 [ 213.684806][ C1] ? prepare_alloc_pages+0x17b/0x570 [ 213.690076][ C1] ? stack_trace_save+0x8c/0xc0 [ 213.694920][ C1] __alloc_pages+0x1b2/0x500 [ 213.699492][ C1] ? __alloc_pages_slowpath.constprop.0+0x20a0/0x20a0 [ 213.706238][ C1] ? kasan_save_stack+0x1e/0x40 [ 213.711083][ C1] ? kmem_cache_alloc_node+0x255/0x3f0 [ 213.716529][ C1] ? lock_acquire+0x480/0x570 [ 213.721195][ C1] ? rcu_read_lock_sched_held+0xd/0x70 [ 213.726654][ C1] ? lock_release+0x560/0x780 [ 213.731318][ C1] ? new_sync_read+0x4f9/0x5f0 [ 213.736066][ C1] ? ___slab_alloc+0x253/0xd90 [ 213.740898][ C1] alloc_pages+0x1aa/0x310 [ 213.745301][ C1] allocate_slab+0x26c/0x3c0 [ 213.749873][ C1] ___slab_alloc+0x985/0xd90 [ 213.754448][ C1] ? __tcp_send_ack.part.0+0x67/0x760 [ 213.759803][ C1] ? asm_common_interrupt+0x1e/0x40 [ 213.764985][ C1] ? kfence_guarded_free+0x55f/0x930 [ 213.770251][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 213.775092][ C1] ? __tcp_send_ack.part.0+0x67/0x760 [ 213.780445][ C1] __slab_alloc.constprop.0+0x4d/0xa0 [ 213.785810][ C1] __kmalloc_node_track_caller+0x2cb/0x360 [ 213.791602][ C1] ? __tcp_send_ack.part.0+0x67/0x760 [ 213.796960][ C1] __alloc_skb+0xde/0x340 [ 213.801276][ C1] ? tcp_grow_window+0x16a/0xed0 [ 213.806205][ C1] __tcp_send_ack.part.0+0x67/0x760 [ 213.811385][ C1] ? trace_hardirqs_on+0x56/0x1c0 [ 213.816397][ C1] tcp_send_ack+0x7d/0xa0 [ 213.820705][ C1] __tcp_ack_snd_check+0x156/0x9c0 [ 213.825818][ C1] tcp_rcv_established+0x18cc/0x2030 [ 213.831084][ C1] ? tcp_data_queue+0x4c90/0x4c90 [ 213.836087][ C1] ? rcu_tasks_trace_postgp+0xa37/0xa80 [ 213.841620][ C1] ? rcu_read_lock_sched_held+0xd/0x70 [ 213.847063][ C1] ? lock_acquire+0x480/0x570 [ 213.851728][ C1] tcp_v4_do_rcv+0x66c/0x980 [ 213.856304][ C1] __release_sock+0x134/0x3b0 [ 213.860967][ C1] release_sock+0x54/0x1b0 [ 213.865367][ C1] tcp_recvmsg+0x132/0x600 [ 213.869772][ C1] ? tcp_recv_timestamp+0x6e0/0x6e0 [ 213.874957][ C1] ? aa_sk_perm+0x30f/0xaa0 [ 213.879447][ C1] inet_recvmsg+0x115/0x5e0 [ 213.883938][ C1] ? lock_acquire+0x480/0x570 [ 213.888602][ C1] ? inet_sendpage+0x140/0x140 [ 213.893355][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 213.899580][ C1] ? security_socket_recvmsg+0x8f/0xc0 [ 213.905020][ C1] sock_read_iter+0x336/0x470 [ 213.909682][ C1] ? ____sys_recvmsg+0x5f0/0x5f0 [ 213.914607][ C1] ? aa_path_link+0x2f0/0x2f0 [ 213.919265][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 213.925489][ C1] new_sync_read+0x4f9/0x5f0 [ 213.930063][ C1] ? ksys_lseek+0x1b0/0x1b0 [ 213.934548][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 213.939386][ C1] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 213.945610][ C1] ? security_file_permission+0xab/0xd0 [ 213.951137][ C1] vfs_read+0x492/0x5d0 [ 213.955281][ C1] ksys_read+0x1e8/0x250 [ 213.959511][ C1] ? vfs_write+0xac0/0xac0 [ 213.963913][ C1] ? syscall_enter_from_user_mode+0x21/0x70 [ 213.969789][ C1] do_syscall_64+0x35/0xb0 [ 213.974196][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 213.980077][ C1] RIP: 0033:0x49dfbb [ 213.983952][ 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 [ 214.003569][ C1] RSP: 002b:000000c000241930 EFLAGS: 00000206 ORIG_RAX: 0000000000000000 [ 214.011960][ C1] RAX: ffffffffffffffda RBX: 000000c00001e000 RCX: 000000000049dfbb [ 214.019909][ C1] RDX: 0000000000001000 RSI: 000000c0004ba000 RDI: 0000000000000006 [ 214.027861][ C1] RBP: 000000c000241980 R08: 0000000000000001 R09: 000000c000492200 [ 214.035819][ C1] R10: 000000c0000aa020 R11: 0000000000000206 R12: 0000000000000000 [ 214.043770][ C1] R13: 0000000000000000 R14: 000000c0000836c0 R15: 0000000000000008 [ 214.051723][ C1] </TASK>