DUID 00:04:06:88:74:a7:04:75:62:cb:55:93:34:09:94:90:e1:fe forked to background, child pid 3172 [ 22.489750][ T3173] 8021q: adding VLAN 0 to HW filter on device bond0 [ 22.501047][ T3173] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.18' (ECDSA) to the list of known hosts. 2022/04/25 20:55:15 fuzzer started 2022/04/25 20:55:15 dialing manager at 10.128.0.169:40067 syzkaller login: [ 38.196586][ T3593] cgroup: Unknown subsys name 'net' [ 38.295933][ T3593] cgroup: Unknown subsys name 'rlimit' 2022/04/25 20:55:16 syscalls: 3654 2022/04/25 20:55:16 code coverage: enabled 2022/04/25 20:55:16 comparison tracing: enabled 2022/04/25 20:55:16 extra coverage: enabled 2022/04/25 20:55:16 delay kcov mmap: enabled 2022/04/25 20:55:16 setuid sandbox: enabled 2022/04/25 20:55:16 namespace sandbox: enabled 2022/04/25 20:55:16 Android sandbox: /sys/fs/selinux/policy does not exist 2022/04/25 20:55:16 fault injection: enabled 2022/04/25 20:55:16 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2022/04/25 20:55:16 net packet injection: enabled 2022/04/25 20:55:16 net device setup: enabled 2022/04/25 20:55:16 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/04/25 20:55:16 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/04/25 20:55:16 USB emulation: enabled 2022/04/25 20:55:16 hci packet injection: enabled 2022/04/25 20:55:16 wifi device emulation: enabled 2022/04/25 20:55:16 802.15.4 emulation: enabled 2022/04/25 20:55:16 fetching corpus: 0, signal 0/2000 (executing program) 2022/04/25 20:55:16 fetching corpus: 50, signal 51841/55370 (executing program) 2022/04/25 20:55:16 fetching corpus: 100, signal 72147/77134 (executing program) [ 177.941315][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 143s! [syz-fuzzer:3592] [ 177.949666][ C0] Modules linked in: [ 177.953542][ C0] irq event stamp: 0 [ 177.957410][ C0] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 177.964498][ C0] hardirqs last disabled at (0): [] copy_process+0x2013/0x6fe0 [ 177.973730][ C0] softirqs last enabled at (0): [] copy_process+0x205b/0x6fe0 [ 177.982840][ C0] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 177.990109][ C0] CPU: 0 PID: 3592 Comm: syz-fuzzer Not tainted 5.18.0-rc3-next-20220422-syzkaller #0 [ 178.000333][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.010395][ C0] RIP: 0010:kvm_wait+0x98/0x100 [ 178.015279][ C0] 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 [ 178.036865][ C0] RSP: 0000:ffffc900000065d8 EFLAGS: 00000246 [ 178.042916][ C0] RAX: 0000000000000007 RBX: 0000000000000000 RCX: 1ffffffff1b73199 [ 178.050872][ C0] RDX: 0000000000000000 RSI: ffffffff81807171 RDI: ffffffff8134dffd [ 178.058828][ C0] RBP: ffff8880194bc448 R08: 0000000000000000 R09: 0000000000000000 [ 178.066782][ C0] R10: ffffffff81807158 R11: 0000000000000001 R12: 0000000000000000 [ 178.074735][ C0] R13: ffffed1003297889 R14: 0000000000000001 R15: ffff8880b9c3ae40 [ 178.082689][ C0] FS: 000000c000533090(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 178.091605][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 178.098183][ C0] CR2: 000000c000e00000 CR3: 000000001dd38000 CR4: 00000000003506f0 [ 178.106140][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 178.114096][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 178.122048][ C0] Call Trace: [ 178.125309][ C0] [ 178.128140][ C0] __pv_queued_spin_lock_slowpath+0x8c7/0xb50 [ 178.134198][ C0] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 178.140594][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 178.146042][ C0] ? lock_acquire+0x480/0x570 [ 178.150726][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 178.156956][ C0] ? debug_locks_off+0x23/0x80 [ 178.161710][ C0] do_raw_spin_lock+0x200/0x2a0 [ 178.166596][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 178.171536][ C0] ? dev_hard_start_xmit+0xad/0x920 [ 178.176766][ C0] __get_task_comm+0x23/0x50 [ 178.181355][ C0] __set_page_owner+0x253/0x380 [ 178.186258][ C0] get_page_from_freelist+0xba2/0x3e00 [ 178.191714][ C0] ? kasan_save_stack+0x1e/0x40 [ 178.196581][ C0] ? kasan_set_track+0x21/0x30 [ 178.201343][ C0] ? kfree_skbmem+0xef/0x1b0 [ 178.205986][ C0] ? consume_skb+0xcf/0x160 [ 178.210472][ C0] ? packet_rcv+0xea/0x1580 [ 178.214970][ C0] ? dev_queue_xmit_nit+0x815/0xb20 [ 178.220153][ C0] ? dev_hard_start_xmit+0xad/0x920 [ 178.225338][ C0] ? __zone_watermark_ok+0x450/0x450 [ 178.230605][ C0] ? prepare_alloc_pages+0x17b/0x570 [ 178.235886][ C0] ? __tcp_send_ack.part.0+0x3a7/0x760 [ 178.241334][ C0] ? tcp_send_ack+0x7d/0xa0 [ 178.245836][ C0] ? __tcp_ack_snd_check+0x156/0x9c0 [ 178.251118][ C0] __alloc_pages+0x1b2/0x500 [ 178.255964][ C0] ? ip_list_rcv+0x31a/0x470 [ 178.260560][ C0] ? __alloc_pages_slowpath.constprop.0+0x20a0/0x20a0 [ 178.267304][ C0] ? virtnet_poll+0xc9b/0x11a0 [ 178.272062][ C0] ? __napi_poll+0xb3/0x6e0 [ 178.276562][ C0] ? net_rx_action+0x8ec/0xc60 [ 178.281331][ C0] ? __irq_exit_rcu+0x123/0x180 [ 178.286189][ C0] ? common_interrupt+0xa9/0xc0 [ 178.291048][ C0] ? lock_acquire+0x480/0x570 [ 178.295741][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 178.301201][ C0] ? lock_release+0x560/0x780 [ 178.305991][ C0] ? ___slab_alloc+0x253/0xd90 [ 178.310759][ C0] alloc_pages+0x1aa/0x310 [ 178.315184][ C0] allocate_slab+0x26c/0x3c0 [ 178.319910][ C0] ___slab_alloc+0x985/0xd90 [ 178.324506][ C0] ? skb_clone+0x170/0x3c0 [ 178.328929][ C0] ? lock_release+0x560/0x780 [ 178.333626][ C0] ? nf_conntrack_tcp_packet+0x1210/0x6300 [ 178.339421][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 178.344870][ C0] ? skb_clone+0x170/0x3c0 [ 178.349278][ C0] __slab_alloc.constprop.0+0x4d/0xa0 [ 178.354640][ C0] ? skb_clone+0x170/0x3c0 [ 178.359057][ C0] kmem_cache_alloc+0x360/0x3b0 [ 178.363910][ C0] skb_clone+0x170/0x3c0 [ 178.368157][ C0] dev_queue_xmit_nit+0x393/0xb20 [ 178.373183][ C0] dev_hard_start_xmit+0xad/0x920 [ 178.378206][ C0] sch_direct_xmit+0x19f/0xbe0 [ 178.382965][ C0] ? lock_release+0x780/0x780 [ 178.387632][ C0] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 178.393341][ C0] ? dev_watchdog+0x8f0/0x8f0 [ 178.398003][ C0] ? do_raw_spin_trylock+0xb0/0x180 [ 178.403189][ C0] ? do_raw_spin_lock+0x2a0/0x2a0 [ 178.408194][ C0] ? netdev_pick_tx+0x14f/0xbe0 [ 178.413040][ C0] __dev_queue_xmit+0x1572/0x3b10 [ 178.418057][ C0] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 178.423330][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 178.429557][ C0] ? __nf_conntrack_eventmask_report+0x68/0x4d0 [ 178.435788][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 178.441241][ C0] ? lock_acquire+0x480/0x570 [ 178.445924][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 178.451372][ C0] ? lock_release+0x560/0x780 [ 178.456050][ C0] ? lock_release+0x780/0x780 [ 178.460801][ C0] ? __ip_finish_output+0x396/0x650 [ 178.465982][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 178.470822][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 178.476270][ C0] ? lock_release+0x560/0x780 [ 178.480933][ C0] ? nf_hook+0x1eb/0x5b0 [ 178.485157][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 178.489997][ C0] ip_finish_output2+0x14df/0x2170 [ 178.495099][ C0] ? ip_fragment.constprop.0+0x240/0x240 [ 178.500715][ C0] ? ip_mc_finish_output+0x5a0/0x5a0 [ 178.505986][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 178.511436][ C0] ? lock_acquire+0x480/0x570 [ 178.516160][ C0] __ip_finish_output+0x396/0x650 [ 178.521269][ C0] ip_finish_output+0x32/0x280 [ 178.526057][ C0] ip_output+0x196/0x310 [ 178.530303][ C0] __ip_queue_xmit+0x8fe/0x1c00 [ 178.535175][ C0] __tcp_transmit_skb+0x190e/0x38b0 [ 178.540454][ C0] ? __tcp_select_window+0xdb0/0xdb0 [ 178.545758][ C0] ? __build_skb_around+0x23e/0x2f0 [ 178.550976][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 178.557290][ C0] ? __alloc_skb+0x184/0x340 [ 178.561890][ C0] __tcp_send_ack.part.0+0x3a7/0x760 [ 178.567187][ C0] ? trace_hardirqs_on+0x56/0x1c0 [ 178.572238][ C0] tcp_send_ack+0x7d/0xa0 [ 178.576583][ C0] __tcp_ack_snd_check+0x156/0x9c0 [ 178.581705][ C0] tcp_rcv_established+0x18cc/0x2030 [ 178.587004][ C0] ? tcp_data_queue+0x4c90/0x4c90 [ 178.592028][ C0] ? do_raw_spin_lock+0x120/0x2a0 [ 178.597050][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 178.601984][ C0] tcp_v4_do_rcv+0x66c/0x980 [ 178.606593][ C0] tcp_v4_rcv+0x380f/0x3bc0 [ 178.611100][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 178.615949][ C0] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 178.621843][ C0] ? tcp_v4_early_demux+0x9f0/0x9f0 [ 178.627106][ C0] ? raw_rcv+0x680/0x680 [ 178.631339][ C0] ? lock_release+0x780/0x780 [ 178.636024][ C0] ? nf_hook.constprop.0+0x3ea/0x650 [ 178.641495][ C0] ? ip_protocol_deliver_rcu+0xb30/0xb30 [ 178.647146][ C0] ip_protocol_deliver_rcu+0xa3/0xb30 [ 178.652523][ C0] ip_local_deliver_finish+0x2ee/0x4c0 [ 178.657976][ C0] ip_local_deliver+0x1b3/0x200 [ 178.662830][ C0] ip_sublist_rcv_finish+0x9a/0x2c0 [ 178.668018][ C0] ip_sublist_rcv+0x538/0x990 [ 178.672690][ C0] ? ip_rcv_finish_core.constprop.0+0x1eb0/0x1eb0 [ 178.679092][ C0] ? __napi_poll+0xb3/0x6e0 [ 178.683580][ C0] ? ip_sublist_rcv+0x990/0x990 [ 178.688414][ C0] ? ip_rcv_core+0x8ab/0xe10 [ 178.692990][ C0] ip_list_rcv+0x31a/0x470 [ 178.697395][ C0] ? ip_rcv+0xd0/0xd0 [ 178.701367][ C0] ? ip_rcv+0xd0/0xd0 [ 178.705345][ C0] __netif_receive_skb_list_core+0x548/0x8f0 [ 178.711315][ C0] ? lock_acquire+0x480/0x570 [ 178.715994][ C0] ? process_backlog+0x7c0/0x7c0 [ 178.721474][ C0] ? ktime_get_with_offset+0x3f2/0x500 [ 178.726933][ C0] netif_receive_skb_list_internal+0x75e/0xd80 [ 178.733071][ C0] ? do_xdp_generic+0x1b0/0x1b0 [ 178.738077][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 178.744647][ C0] ? detach_buf_split+0x543/0x710 [ 178.749669][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 178.755118][ C0] ? __sanitizer_cov_trace_cmp2+0x22/0x80 [ 178.760819][ C0] napi_complete_done+0x1f1/0x880 [ 178.765830][ C0] virtnet_poll+0xc9b/0x11a0 [ 178.770409][ C0] ? receive_buf+0x54c0/0x54c0 [ 178.775155][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 178.780619][ C0] ? lock_acquire+0x480/0x570 [ 178.785297][ C0] ? lock_release+0x560/0x780 [ 178.789962][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 178.794881][ C0] ? __next_timer_interrupt+0x244/0x2c0 [ 178.800516][ C0] __napi_poll+0xb3/0x6e0 [ 178.804844][ C0] net_rx_action+0x8ec/0xc60 [ 178.809424][ C0] ? napi_threaded_poll+0x520/0x520 [ 178.814610][ C0] ? sched_clock_cpu+0x15/0x1f0 [ 178.819463][ C0] __do_softirq+0x29b/0x9c2 [ 178.823957][ C0] __irq_exit_rcu+0x123/0x180 [ 178.828618][ C0] irq_exit_rcu+0x5/0x20 [ 178.832841][ C0] common_interrupt+0xa9/0xc0 [ 178.837509][ C0] [ 178.840418][ C0] [ 178.843328][ C0] asm_common_interrupt+0x1e/0x40 [ 178.848335][ C0] RIP: 0010:read_word_at_a_time+0x0/0x20 [ 178.853965][ C0] Code: 89 34 24 e8 c2 3c a7 fd 48 8b 34 24 e9 74 ff ff ff 48 89 df e8 01 3d a7 fd eb b6 66 66 2e 0f 1f 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 [ 178.873563][ C0] RSP: 0000:ffffc90002e4f858 EFLAGS: 00000246 [ 178.879635][ C0] RAX: 0000000000000000 RBX: ffff8880194bc330 RCX: 0000000000000000 [ 178.887586][ C0] RDX: 0000000000000010 RSI: ffff8880194bc330 RDI: ffff8880194bc330 [ 178.895556][ C0] RBP: 8080808080808080 R08: 0000000000000001 R09: 0000000000000003 [ 178.903522][ C0] R10: fffff520005c9f0c R11: 0000000000000001 R12: 0000000000000010 [ 178.911473][ C0] R13: 0000000000000000 R14: fefefefefefefeff R15: ffff88801234f0e8 [ 178.919441][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 178.924390][ C0] strscpy+0xa1/0x2a0 [ 178.928366][ C0] strscpy_pad+0x20/0x70 [ 178.932590][ C0] __get_task_comm+0x35/0x50 [ 178.937163][ C0] __set_page_owner+0x253/0x380 [ 178.941995][ C0] get_page_from_freelist+0xba2/0x3e00 [ 178.947439][ C0] ? lock_release+0x780/0x780 [ 178.952102][ C0] ? lock_release+0x560/0x780 [ 178.956763][ C0] ? prepare_alloc_pages+0x164/0x570 [ 178.962031][ C0] ? __zone_watermark_ok+0x450/0x450 [ 178.967295][ C0] ? prepare_alloc_pages+0x17b/0x570 [ 178.972561][ C0] __alloc_pages+0x1b2/0x500 [ 178.977131][ C0] ? __alloc_pages_slowpath.constprop.0+0x20a0/0x20a0 [ 178.983877][ C0] ? lock_acquire+0x480/0x570 [ 178.988541][ C0] ? lock_acquire+0x480/0x570 [ 178.993202][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 178.998663][ C0] ? lock_release+0x560/0x780 [ 179.003427][ C0] alloc_pages+0x1aa/0x310 [ 179.007831][ C0] pte_alloc_one+0x16/0x230 [ 179.012322][ C0] __pte_alloc+0x69/0x250 [ 179.016632][ C0] ? pmd_install+0x150/0x150 [ 179.021203][ C0] ? folio_add_lru+0x389/0x6a0 [ 179.025961][ C0] ? do_raw_spin_unlock+0x171/0x230 [ 179.031227][ C0] __handle_mm_fault+0x2ced/0x33d0 [ 179.036340][ C0] ? vm_iomap_memory+0x190/0x190 [ 179.041263][ C0] ? lock_release+0x780/0x780 [ 179.045961][ C0] handle_mm_fault+0x1c8/0x790 [ 179.050716][ C0] do_user_addr_fault+0x489/0x11c0 [ 179.055822][ C0] exc_page_fault+0x9e/0x180 [ 179.060406][ C0] ? asm_exc_page_fault+0x8/0x30 [ 179.065328][ C0] asm_exc_page_fault+0x1e/0x30 [ 179.070161][ C0] RIP: 0033:0x465d57 [ 179.074047][ C0] Code: f0 c5 fe 6f 26 4c 01 de 48 29 c3 c5 fe 6f 06 c5 fe 6f 4e 20 c5 fe 6f 56 40 c5 fe 6f 5e 60 48 01 c6 c5 fd 7f 07 c5 fd 7f 4f 20 fd 7f 57 40 c5 fd 7f 5f 60 48 01 c7 48 29 c3 77 cf 48 01 c3 48 [ 179.093635][ C0] RSP: 002b:000000c0003b7c08 EFLAGS: 00010206 [ 179.099765][ C0] RAX: 0000000000000080 RBX: 0000000000000975 RCX: 000000c00039e000 [ 179.107716][ C0] RDX: 000000c000396000 RSI: 000000c00039d68b RDI: 000000c000dfffc0 [ 179.115689][ C0] RBP: 000000c0003b7c38 R08: 000000c000396000 R09: 000000c000396000 [ 179.123736][ C0] R10: 000000c000df89b5 R11: 000000000000000b R12: 00000000000022ec [ 179.131686][ C0] R13: 0000000000007ff0 R14: 000000c0002d6680 R15: 0000000000000002 [ 179.139669][ C0] [ 179.142675][ C0] Sending NMI from CPU 0 to CPUs 1: [ 179.147877][ C1] NMI backtrace for cpu 1 [ 179.147888][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.18.0-rc3-next-20220422-syzkaller #0 [ 179.147913][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.147926][ C1] RIP: 0010:kvm_wait+0x98/0x100 [ 179.147954][ 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 [ 179.147977][ C1] RSP: 0018:ffffc90000de0b80 EFLAGS: 00000246 [ 179.147995][ C1] RAX: 0000000000000007 RBX: 0000000000000000 RCX: 1ffffffff1b73199 [ 179.148010][ C1] RDX: 0000000000000000 RSI: ffffffff81807171 RDI: ffffffff8134dffd [ 179.148025][ C1] RBP: ffff88807e879898 R08: 0000000000000000 R09: 0000000000000000 [ 179.148040][ C1] R10: ffffffff81807158 R11: 0000000000000000 R12: 0000000000000000 [ 179.148055][ C1] R13: ffffed100fd0f313 R14: 0000000000000001 R15: ffff8880b9d3ae40 [ 179.148071][ C1] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 179.148091][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 179.148108][ C1] CR2: 000000c000d98000 CR3: 000000001dd38000 CR4: 00000000003506e0 [ 179.148123][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 179.148137][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 179.148152][ C1] Call Trace: [ 179.148159][ C1] [ 179.148167][ C1] __pv_queued_spin_lock_slowpath+0x8c7/0xb50 [ 179.148196][ C1] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 179.148234][ C1] ? rcu_read_lock_sched_held+0xd/0x70 [ 179.148270][ C1] ? lock_acquire+0x480/0x570 [ 179.148307][ C1] ? lock_release+0x780/0x780 [ 179.148343][ C1] ? tcp_write_timer_handler+0xbc0/0xbc0 [ 179.148373][ C1] do_raw_spin_lock+0x200/0x2a0 [ 179.148396][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 179.148418][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 179.148444][ C1] ? tcp_write_timer_handler+0xbc0/0xbc0 [ 179.148472][ C1] tcp_write_timer+0x26/0x2b0 [ 179.148501][ C1] ? tcp_write_timer_handler+0xbc0/0xbc0 [ 179.148529][ C1] call_timer_fn+0x1a5/0x6b0 [ 179.148555][ C1] ? timer_fixup_activate+0x350/0x350 [ 179.148579][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 179.148617][ C1] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 179.148648][ C1] ? __next_timer_interrupt+0x244/0x2c0 [ 179.148673][ C1] ? tcp_write_timer_handler+0xbc0/0xbc0 [ 179.148701][ C1] ? tcp_write_timer_handler+0xbc0/0xbc0 [ 179.148732][ C1] __run_timers.part.0+0x679/0xa80 [ 179.148761][ C1] ? call_timer_fn+0x6b0/0x6b0 [ 179.148788][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 179.148813][ C1] ? sched_clock_cpu+0x15/0x1f0 [ 179.148851][ C1] ? tick_program_event+0xb4/0x140 [ 179.148889][ C1] run_timer_softirq+0xb3/0x1d0 [ 179.148914][ C1] __do_softirq+0x29b/0x9c2 [ 179.148953][ C1] __irq_exit_rcu+0x123/0x180 [ 179.148977][ C1] irq_exit_rcu+0x5/0x20 [ 179.148999][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 179.149026][ C1] [ 179.149032][ C1] [ 179.149039][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 179.149073][ C1] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 [ 179.149102][ C1] Code: 89 de e8 5d 0c 09 f8 84 db 75 ac e8 74 08 09 f8 e8 6f 5a 0f f8 eb 0c e8 68 08 09 f8 0f 00 2d a1 0d c2 00 e8 5c 08 09 f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 d7 0a 09 f8 48 85 db [ 179.149124][ C1] RSP: 0018:ffffc90000d77d20 EFLAGS: 00000293 [ 179.149142][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 179.149156][ C1] RDX: ffff888011929d80 RSI: ffffffff897116c4 RDI: ffffffff897116b1 [ 179.149172][ C1] RBP: ffff888145314064 R08: 0000000000000000 R09: 0000000000000000 [ 179.149187][ C1] R10: ffffffff81807158 R11: 0000000000000000 R12: 0000000000000001 [ 179.149206][ C1] R13: ffff888145314000 R14: ffff888145314064 R15: ffff888145028804 [ 179.149225][ C1] ? trace_hardirqs_on+0x38/0x1c0 [ 179.149259][ C1] ? acpi_idle_do_entry+0x1c4/0x250 [ 179.149285][ C1] ? acpi_idle_do_entry+0x1b1/0x250 [ 179.149315][ C1] acpi_idle_enter+0x369/0x510 [ 179.149350][ C1] cpuidle_enter_state+0x1b1/0xc80 [ 179.149393][ C1] cpuidle_enter+0x4a/0xa0 [ 179.149430][ C1] do_idle+0x3e8/0x590 [ 179.149454][ C1] ? arch_cpu_idle_exit+0x30/0x30 [ 179.149483][ C1] cpu_startup_entry+0x14/0x20 [ 179.149508][ C1] start_secondary+0x224/0x2c0 [ 179.149545][ C1] ? init_freq_invariance+0x530/0x530 [ 179.149585][ C1] secondary_startup_64_no_verify+0xce/0xdb [ 179.149625][ C1] [ 179.149860][ C0] Kernel panic - not syncing: softlockup: hung tasks [ 179.589921][ C0] CPU: 0 PID: 3592 Comm: syz-fuzzer Tainted: G L 5.18.0-rc3-next-20220422-syzkaller #0 [ 179.600830][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.610958][ C0] Call Trace: [ 179.614219][ C0] [ 179.617052][ C0] dump_stack_lvl+0xcd/0x134 [ 179.621679][ C0] panic+0x2d7/0x636 [ 179.625586][ C0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 179.631564][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 179.637806][ C0] ? irq_work_claim+0x76/0x90 [ 179.642467][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 179.648707][ C0] ? irq_work_queue+0x29/0x80 [ 179.653363][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 179.659585][ C0] ? watchdog_timer_fn.cold+0x5/0x25 [ 179.664853][ C0] watchdog_timer_fn.cold+0x16/0x25 [ 179.670051][ C0] ? softlockup_fn+0xa0/0xa0 [ 179.674627][ C0] __hrtimer_run_queues+0x1c0/0xe50 [ 179.679811][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 179.685771][ C0] ? ktime_get_update_offsets_now+0x3eb/0x5c0 [ 179.691824][ C0] hrtimer_interrupt+0x31c/0x790 [ 179.696756][ C0] __sysvec_apic_timer_interrupt+0x146/0x530 [ 179.702728][ C0] sysvec_apic_timer_interrupt+0x40/0xc0 [ 179.708346][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 179.714312][ C0] RIP: 0010:kvm_wait+0x98/0x100 [ 179.719317][ C0] 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 [ 179.738901][ C0] RSP: 0000:ffffc900000065d8 EFLAGS: 00000246 [ 179.744946][ C0] RAX: 0000000000000007 RBX: 0000000000000000 RCX: 1ffffffff1b73199 [ 179.752896][ C0] RDX: 0000000000000000 RSI: ffffffff81807171 RDI: ffffffff8134dffd [ 179.760845][ C0] RBP: ffff8880194bc448 R08: 0000000000000000 R09: 0000000000000000 [ 179.768794][ C0] R10: ffffffff81807158 R11: 0000000000000001 R12: 0000000000000000 [ 179.776744][ C0] R13: ffffed1003297889 R14: 0000000000000001 R15: ffff8880b9c3ae40 [ 179.784700][ C0] ? trace_hardirqs_on+0x38/0x1c0 [ 179.789712][ C0] ? trace_hardirqs_on+0x51/0x1c0 [ 179.794721][ C0] ? kvm_wait+0x8d/0x100 [ 179.798946][ C0] ? kvm_wait+0x8d/0x100 [ 179.803169][ C0] __pv_queued_spin_lock_slowpath+0x8c7/0xb50 [ 179.809219][ C0] ? trace_contention_end.constprop.0+0x1b0/0x1b0 [ 179.815619][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 179.821064][ C0] ? lock_acquire+0x480/0x570 [ 179.825740][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 179.831966][ C0] ? debug_locks_off+0x23/0x80 [ 179.836721][ C0] do_raw_spin_lock+0x200/0x2a0 [ 179.841555][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 179.846482][ C0] ? dev_hard_start_xmit+0xad/0x920 [ 179.851667][ C0] __get_task_comm+0x23/0x50 [ 179.856253][ C0] __set_page_owner+0x253/0x380 [ 179.861086][ C0] get_page_from_freelist+0xba2/0x3e00 [ 179.866530][ C0] ? kasan_save_stack+0x1e/0x40 [ 179.871366][ C0] ? kasan_set_track+0x21/0x30 [ 179.876129][ C0] ? kfree_skbmem+0xef/0x1b0 [ 179.880715][ C0] ? consume_skb+0xcf/0x160 [ 179.885196][ C0] ? packet_rcv+0xea/0x1580 [ 179.889681][ C0] ? dev_queue_xmit_nit+0x815/0xb20 [ 179.894864][ C0] ? dev_hard_start_xmit+0xad/0x920 [ 179.900050][ C0] ? __zone_watermark_ok+0x450/0x450 [ 179.905319][ C0] ? prepare_alloc_pages+0x17b/0x570 [ 179.910602][ C0] ? __tcp_send_ack.part.0+0x3a7/0x760 [ 179.916056][ C0] ? tcp_send_ack+0x7d/0xa0 [ 179.920540][ C0] ? __tcp_ack_snd_check+0x156/0x9c0 [ 179.925818][ C0] __alloc_pages+0x1b2/0x500 [ 179.930385][ C0] ? ip_list_rcv+0x31a/0x470 [ 179.934978][ C0] ? __alloc_pages_slowpath.constprop.0+0x20a0/0x20a0 [ 179.941724][ C0] ? virtnet_poll+0xc9b/0x11a0 [ 179.946481][ C0] ? __napi_poll+0xb3/0x6e0 [ 179.950975][ C0] ? net_rx_action+0x8ec/0xc60 [ 179.955720][ C0] ? __irq_exit_rcu+0x123/0x180 [ 179.960550][ C0] ? common_interrupt+0xa9/0xc0 [ 179.965405][ C0] ? lock_acquire+0x480/0x570 [ 179.970080][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 179.975525][ C0] ? lock_release+0x560/0x780 [ 179.980187][ C0] ? ___slab_alloc+0x253/0xd90 [ 179.984952][ C0] alloc_pages+0x1aa/0x310 [ 179.989358][ C0] allocate_slab+0x26c/0x3c0 [ 179.993934][ C0] ___slab_alloc+0x985/0xd90 [ 179.998510][ C0] ? skb_clone+0x170/0x3c0 [ 180.002914][ C0] ? lock_release+0x560/0x780 [ 180.007576][ C0] ? nf_conntrack_tcp_packet+0x1210/0x6300 [ 180.013365][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 180.018819][ C0] ? skb_clone+0x170/0x3c0 [ 180.023223][ C0] __slab_alloc.constprop.0+0x4d/0xa0 [ 180.028584][ C0] ? skb_clone+0x170/0x3c0 [ 180.033004][ C0] kmem_cache_alloc+0x360/0x3b0 [ 180.037844][ C0] skb_clone+0x170/0x3c0 [ 180.042074][ C0] dev_queue_xmit_nit+0x393/0xb20 [ 180.047083][ C0] dev_hard_start_xmit+0xad/0x920 [ 180.052093][ C0] sch_direct_xmit+0x19f/0xbe0 [ 180.056850][ C0] ? lock_release+0x780/0x780 [ 180.061515][ C0] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 180.067227][ C0] ? dev_watchdog+0x8f0/0x8f0 [ 180.071885][ C0] ? do_raw_spin_trylock+0xb0/0x180 [ 180.077071][ C0] ? do_raw_spin_lock+0x2a0/0x2a0 [ 180.082092][ C0] ? netdev_pick_tx+0x14f/0xbe0 [ 180.086928][ C0] __dev_queue_xmit+0x1572/0x3b10 [ 180.091942][ C0] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 180.097223][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 180.103450][ C0] ? __nf_conntrack_eventmask_report+0x68/0x4d0 [ 180.109673][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 180.115117][ C0] ? lock_acquire+0x480/0x570 [ 180.119779][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 180.125845][ C0] ? lock_release+0x560/0x780 [ 180.130508][ C0] ? lock_release+0x780/0x780 [ 180.135171][ C0] ? __ip_finish_output+0x396/0x650 [ 180.140349][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 180.145185][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 180.150647][ C0] ? lock_release+0x560/0x780 [ 180.155321][ C0] ? nf_hook+0x1eb/0x5b0 [ 180.159548][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 180.164384][ C0] ip_finish_output2+0x14df/0x2170 [ 180.169495][ C0] ? ip_fragment.constprop.0+0x240/0x240 [ 180.175131][ C0] ? ip_mc_finish_output+0x5a0/0x5a0 [ 180.180399][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 180.185857][ C0] ? lock_acquire+0x480/0x570 [ 180.190529][ C0] __ip_finish_output+0x396/0x650 [ 180.195645][ C0] ip_finish_output+0x32/0x280 [ 180.200401][ C0] ip_output+0x196/0x310 [ 180.204623][ C0] __ip_queue_xmit+0x8fe/0x1c00 [ 180.209455][ C0] __tcp_transmit_skb+0x190e/0x38b0 [ 180.214640][ C0] ? __tcp_select_window+0xdb0/0xdb0 [ 180.219910][ C0] ? __build_skb_around+0x23e/0x2f0 [ 180.225093][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 180.231319][ C0] ? __alloc_skb+0x184/0x340 [ 180.235918][ C0] __tcp_send_ack.part.0+0x3a7/0x760 [ 180.241194][ C0] ? trace_hardirqs_on+0x56/0x1c0 [ 180.246212][ C0] tcp_send_ack+0x7d/0xa0 [ 180.250527][ C0] __tcp_ack_snd_check+0x156/0x9c0 [ 180.255638][ C0] tcp_rcv_established+0x18cc/0x2030 [ 180.260907][ C0] ? tcp_data_queue+0x4c90/0x4c90 [ 180.265910][ C0] ? do_raw_spin_lock+0x120/0x2a0 [ 180.270913][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 180.275831][ C0] tcp_v4_do_rcv+0x66c/0x980 [ 180.280407][ C0] tcp_v4_rcv+0x380f/0x3bc0 [ 180.284897][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 180.289739][ C0] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 180.295637][ C0] ? tcp_v4_early_demux+0x9f0/0x9f0 [ 180.300819][ C0] ? raw_rcv+0x680/0x680 [ 180.305042][ C0] ? lock_release+0x780/0x780 [ 180.309722][ C0] ? nf_hook.constprop.0+0x3ea/0x650 [ 180.314994][ C0] ? ip_protocol_deliver_rcu+0xb30/0xb30 [ 180.320616][ C0] ip_protocol_deliver_rcu+0xa3/0xb30 [ 180.325979][ C0] ip_local_deliver_finish+0x2ee/0x4c0 [ 180.331426][ C0] ip_local_deliver+0x1b3/0x200 [ 180.336290][ C0] ip_sublist_rcv_finish+0x9a/0x2c0 [ 180.341475][ C0] ip_sublist_rcv+0x538/0x990 [ 180.346166][ C0] ? ip_rcv_finish_core.constprop.0+0x1eb0/0x1eb0 [ 180.352588][ C0] ? __napi_poll+0xb3/0x6e0 [ 180.357094][ C0] ? ip_sublist_rcv+0x990/0x990 [ 180.361934][ C0] ? ip_rcv_core+0x8ab/0xe10 [ 180.366527][ C0] ip_list_rcv+0x31a/0x470 [ 180.370935][ C0] ? ip_rcv+0xd0/0xd0 [ 180.374910][ C0] ? ip_rcv+0xd0/0xd0 [ 180.378877][ C0] __netif_receive_skb_list_core+0x548/0x8f0 [ 180.384846][ C0] ? lock_acquire+0x480/0x570 [ 180.389527][ C0] ? process_backlog+0x7c0/0x7c0 [ 180.394465][ C0] ? ktime_get_with_offset+0x3f2/0x500 [ 180.399911][ C0] netif_receive_skb_list_internal+0x75e/0xd80 [ 180.406138][ C0] ? do_xdp_generic+0x1b0/0x1b0 [ 180.410971][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 180.417195][ C0] ? detach_buf_split+0x543/0x710 [ 180.422198][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 180.427648][ C0] ? __sanitizer_cov_trace_cmp2+0x22/0x80 [ 180.433352][ C0] napi_complete_done+0x1f1/0x880 [ 180.438362][ C0] virtnet_poll+0xc9b/0x11a0 [ 180.442950][ C0] ? receive_buf+0x54c0/0x54c0 [ 180.447695][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 180.453138][ C0] ? lock_acquire+0x480/0x570 [ 180.457889][ C0] ? lock_release+0x560/0x780 [ 180.462555][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 180.467471][ C0] ? __next_timer_interrupt+0x244/0x2c0 [ 180.472999][ C0] __napi_poll+0xb3/0x6e0 [ 180.477316][ C0] net_rx_action+0x8ec/0xc60 [ 180.481894][ C0] ? napi_threaded_poll+0x520/0x520 [ 180.487108][ C0] ? sched_clock_cpu+0x15/0x1f0 [ 180.491967][ C0] __do_softirq+0x29b/0x9c2 [ 180.496488][ C0] __irq_exit_rcu+0x123/0x180 [ 180.501163][ C0] irq_exit_rcu+0x5/0x20 [ 180.505388][ C0] common_interrupt+0xa9/0xc0 [ 180.510066][ C0] [ 180.512989][ C0] [ 180.515911][ C0] asm_common_interrupt+0x1e/0x40 [ 180.521077][ C0] RIP: 0010:read_word_at_a_time+0x0/0x20 [ 180.526717][ C0] Code: 89 34 24 e8 c2 3c a7 fd 48 8b 34 24 e9 74 ff ff ff 48 89 df e8 01 3d a7 fd eb b6 66 66 2e 0f 1f 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 [ 180.546311][ C0] RSP: 0000:ffffc90002e4f858 EFLAGS: 00000246 [ 180.552361][ C0] RAX: 0000000000000000 RBX: ffff8880194bc330 RCX: 0000000000000000 [ 180.560313][ C0] RDX: 0000000000000010 RSI: ffff8880194bc330 RDI: ffff8880194bc330 [ 180.568348][ C0] RBP: 8080808080808080 R08: 0000000000000001 R09: 0000000000000003 [ 180.576298][ C0] R10: fffff520005c9f0c R11: 0000000000000001 R12: 0000000000000010 [ 180.584247][ C0] R13: 0000000000000000 R14: fefefefefefefeff R15: ffff88801234f0e8 [ 180.592206][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 180.597125][ C0] strscpy+0xa1/0x2a0 [ 180.601099][ C0] strscpy_pad+0x20/0x70 [ 180.605323][ C0] __get_task_comm+0x35/0x50 [ 180.609910][ C0] __set_page_owner+0x253/0x380 [ 180.614756][ C0] get_page_from_freelist+0xba2/0x3e00 [ 180.620198][ C0] ? lock_release+0x780/0x780 [ 180.624863][ C0] ? lock_release+0x560/0x780 [ 180.629527][ C0] ? prepare_alloc_pages+0x164/0x570 [ 180.634791][ C0] ? __zone_watermark_ok+0x450/0x450 [ 180.640065][ C0] ? prepare_alloc_pages+0x17b/0x570 [ 180.645330][ C0] __alloc_pages+0x1b2/0x500 [ 180.649900][ C0] ? __alloc_pages_slowpath.constprop.0+0x20a0/0x20a0 [ 180.656644][ C0] ? lock_acquire+0x480/0x570 [ 180.661307][ C0] ? lock_acquire+0x480/0x570 [ 180.665994][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 180.671437][ C0] ? lock_release+0x560/0x780 [ 180.676114][ C0] alloc_pages+0x1aa/0x310 [ 180.680521][ C0] pte_alloc_one+0x16/0x230 [ 180.685010][ C0] __pte_alloc+0x69/0x250 [ 180.689320][ C0] ? pmd_install+0x150/0x150 [ 180.693904][ C0] ? folio_add_lru+0x389/0x6a0 [ 180.698653][ C0] ? do_raw_spin_unlock+0x171/0x230 [ 180.703830][ C0] __handle_mm_fault+0x2ced/0x33d0 [ 180.708927][ C0] ? vm_iomap_memory+0x190/0x190 [ 180.713847][ C0] ? lock_release+0x780/0x780 [ 180.718531][ C0] handle_mm_fault+0x1c8/0x790 [ 180.723279][ C0] do_user_addr_fault+0x489/0x11c0 [ 180.728382][ C0] exc_page_fault+0x9e/0x180 [ 180.732960][ C0] ? asm_exc_page_fault+0x8/0x30 [ 180.737887][ C0] asm_exc_page_fault+0x1e/0x30 [ 180.742720][ C0] RIP: 0033:0x465d57 [ 180.746591][ C0] Code: f0 c5 fe 6f 26 4c 01 de 48 29 c3 c5 fe 6f 06 c5 fe 6f 4e 20 c5 fe 6f 56 40 c5 fe 6f 5e 60 48 01 c6 c5 fd 7f 07 c5 fd 7f 4f 20 fd 7f 57 40 c5 fd 7f 5f 60 48 01 c7 48 29 c3 77 cf 48 01 c3 48 [ 180.766178][ C0] RSP: 002b:000000c0003b7c08 EFLAGS: 00010206 [ 180.772222][ C0] RAX: 0000000000000080 RBX: 0000000000000975 RCX: 000000c00039e000 [ 180.780170][ C0] RDX: 000000c000396000 RSI: 000000c00039d68b RDI: 000000c000dfffc0 [ 180.788119][ C0] RBP: 000000c0003b7c38 R08: 000000c000396000 R09: 000000c000396000 [ 180.796069][ C0] R10: 000000c000df89b5 R11: 000000000000000b R12: 00000000000022ec [ 180.804019][ C0] R13: 0000000000007ff0 R14: 000000c0002d6680 R15: 0000000000000002 [ 180.811978][ C0] [ 180.815159][ C0] Kernel Offset: disabled [ 180.819466][ C0] Rebooting in 86400 seconds..