Warning: Permanently added '10.128.0.72' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 449.454495][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 449.461817][ C1] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P7088/1:b..l P7072/1:b..l [ 449.471126][ C1] rcu: (detected by 1, t=10502 jiffies, g=21245, q=22 ncpus=2) [ 449.478785][ C1] task:syz-executor321 state:R running task stack:26440 pid:7072 tgid:7071 ppid:5677 task_flags:0x40054c flags:0x00080001 [ 449.492613][ C1] Call Trace: [ 449.495958][ C1] [ 449.498919][ C1] __schedule+0x125c/0x6730 [ 449.503665][ C1] ? finish_task_switch.isra.0+0x2c5/0x10c0 [ 449.509700][ C1] ? __schedule+0x126e/0x6730 [ 449.514429][ C1] ? __pfx___schedule+0x10/0x10 [ 449.519327][ C1] ? mark_held_locks+0x40/0x70 [ 449.524188][ C1] preempt_schedule_irq+0x50/0x90 [ 449.529259][ C1] irqentry_exit+0x205/0xa00 [ 449.533928][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 449.539977][ C1] RIP: 0010:lock_acquire+0x5e/0x370 [ 449.545250][ C1] Code: 05 fb 06 2f 12 83 f8 07 0f 87 da 00 00 00 48 0f a3 05 46 52 f7 0e 0f 82 ac 02 00 00 8b 35 ee 85 f7 0e 85 f6 0f 85 c7 00 00 00 <48> 8b 44 24 30 65 48 2b 05 9d 06 2f 12 0f 85 ec 02 00 00 48 83 c4 [ 449.564903][ C1] RSP: 0018:ffffc90006337270 EFLAGS: 00000206 [ 449.571088][ C1] RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000000 [ 449.579087][ C1] RDX: 0000000000000000 RSI: ffffffff8df333b0 RDI: ffffffff8c1e8f80 [ 449.587105][ C1] RBP: ffffffff8e7e5ec0 R08: 00000000d14c1201 R09: 0000000000000007 [ 449.595123][ C1] R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000002 [ 449.603131][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 449.611157][ C1] ? unwind_next_frame+0x3be/0x2090 [ 449.616509][ C1] ? unwind_next_frame+0x3be/0x2090 [ 449.621756][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 449.628035][ C1] unwind_next_frame+0xd1/0x2090 [ 449.633018][ C1] ? unwind_next_frame+0xbd/0x2090 [ 449.638171][ C1] ? skb_release_data+0x6c5/0x8e0 [ 449.643310][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 449.649509][ C1] arch_stack_walk+0x94/0xf0 [ 449.654230][ C1] ? skb_release_data+0x6c5/0x8e0 [ 449.659329][ C1] ? skb_free_head+0xb9/0x160 [ 449.664039][ C1] stack_trace_save+0x8e/0xc0 [ 449.668782][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 449.674208][ C1] ? __lock_acquire+0x49f/0x1a40 [ 449.679202][ C1] kasan_save_stack+0x30/0x50 [ 449.684054][ C1] ? kasan_save_stack+0x30/0x50 [ 449.688947][ C1] ? kasan_save_track+0x14/0x30 [ 449.693840][ C1] ? kasan_save_free_info+0x3b/0x70 [ 449.699071][ C1] ? __kasan_slab_free+0x5f/0x80 [ 449.704063][ C1] ? kfree+0x22b/0x6c0 [ 449.708241][ C1] ? skb_free_head+0xb9/0x160 [ 449.712959][ C1] ? skb_release_data+0x6c5/0x8e0 [ 449.718075][ C1] kasan_save_track+0x14/0x30 [ 449.722825][ C1] kasan_save_free_info+0x3b/0x70 [ 449.727882][ C1] __kasan_slab_free+0x5f/0x80 [ 449.732685][ C1] ? skb_free_head+0xb0/0x160 [ 449.737394][ C1] kfree+0x22b/0x6c0 [ 449.741319][ C1] ? kasan_quarantine_put+0x104/0x240 [ 449.746740][ C1] skb_free_head+0xb9/0x160 [ 449.751281][ C1] ? kfree_skbmem+0x19a/0x210 [ 449.756051][ C1] skb_release_data+0x6c5/0x8e0 [ 449.760975][ C1] ? __pfx_sock_rfree+0x10/0x10 [ 449.765869][ C1] sk_skb_reason_drop+0x102/0x1b0 [ 449.770942][ C1] skb_queue_purge_reason+0x2aa/0x420 [ 449.776353][ C1] ? synchronize_rcu_expedited+0x3c3/0x450 [ 449.782278][ C1] ? __pfx_skb_queue_purge_reason+0x10/0x10 [ 449.788233][ C1] packet_release+0x833/0xda0 [ 449.793053][ C1] ? __pfx_packet_release+0x10/0x10 [ 449.798319][ C1] ? __pfx_down_write+0x10/0x10 [ 449.803227][ C1] __sock_release+0xb3/0x260 [ 449.807939][ C1] ? __pfx_sock_close+0x10/0x10 [ 449.812836][ C1] sock_close+0x1c/0x30 [ 449.817050][ C1] __fput+0x3ff/0xb50 [ 449.821177][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 449.826454][ C1] task_work_run+0x150/0x240 [ 449.831134][ C1] ? __pfx_task_work_run+0x10/0x10 [ 449.836297][ C1] ? do_raw_spin_unlock+0x145/0x1e0 [ 449.841543][ C1] do_exit+0x951/0x2ae0 [ 449.845809][ C1] ? __pfx_do_exit+0x10/0x10 [ 449.850439][ C1] ? do_raw_spin_lock+0x128/0x260 [ 449.855504][ C1] ? find_held_lock+0x2b/0x80 [ 449.860217][ C1] ? get_signal+0x7e0/0x21e0 [ 449.864877][ C1] do_group_exit+0xd5/0x2a0 [ 449.869425][ C1] get_signal+0x1ec7/0x21e0 [ 449.873987][ C1] ? __pfx_get_signal+0x10/0x10 [ 449.878878][ C1] ? do_futex+0x190/0x440 [ 449.883296][ C1] arch_do_signal_or_restart+0x91/0x7a0 [ 449.888915][ C1] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 449.895109][ C1] ? __sys_socket+0xac/0x260 [ 449.899756][ C1] exit_to_user_mode_loop+0x139/0x6f0 [ 449.905165][ C1] ? rcu_is_watching+0x12/0xc0 [ 449.909969][ C1] do_syscall_64+0x652/0x840 [ 449.914592][ C1] ? clear_bhb_loop+0x40/0x90 [ 449.919307][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 449.925284][ C1] RIP: 0033:0x7f00d57e1959 [ 449.929838][ C1] RSP: 002b:00007f00d57b21d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 449.938302][ C1] RAX: fffffffffffffe00 RBX: 00007f00d588cb48 RCX: 00007f00d57e1959 [ 449.946362][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f00d588cb48 [ 449.954394][ C1] RBP: 00007f00d588cb40 R08: 37203a6b63617473 R09: 37203a6b63617473 [ 449.962415][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f00d585d4a0 [ 449.970511][ C1] R13: 0000200000000040 R14: 0000200000000000 R15: 0064657373657270 [ 449.978537][ C1] [ 449.981580][ C1] task:modprobe state:R running task stack:25176 pid:7088 tgid:7088 ppid:134 task_flags:0x40000c flags:0x00080000 [ 449.995129][ C1] Call Trace: [ 449.998431][ C1] [ 450.001408][ C1] __schedule+0x125c/0x6730 [ 450.005964][ C1] ? is_bpf_text_address+0x94/0x1a0 [ 450.011292][ C1] ? arch_stack_walk+0xa6/0xf0 [ 450.016112][ C1] ? __pfx___schedule+0x10/0x10 [ 450.021107][ C1] ? mark_held_locks+0x40/0x70 [ 450.025917][ C1] preempt_schedule_irq+0x50/0x90 [ 450.030985][ C1] irqentry_exit+0x205/0xa00 [ 450.035627][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 450.041645][ C1] RIP: 0010:its_return_thunk+0x0/0x10 [ 450.047053][ C1] 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 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 e9 0b a9 d7 f5 cc [ 450.066687][ C1] RSP: 0018:ffffc90006427628 EFLAGS: 00000286 [ 450.072782][ C1] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff821a21bf [ 450.080775][ C1] RDX: 0000000000000000 RSI: ffffffff8c1e8f00 RDI: ffffffff8e20f920 [ 450.088770][ C1] RBP: 00007fe16f9b2600 R08: 0000000000000005 R09: 0000000000000000 [ 450.096764][ C1] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff81f30580 [ 450.104759][ C1] R13: ffffc90006427748 R14: 0000000000000000 R15: ffff88802eb0dd00 [ 450.112757][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 450.118974][ C1] ? is_bpf_text_address+0x6f/0x1a0 [ 450.124251][ C1] is_bpf_text_address+0x123/0x1a0 [ 450.129417][ C1] kernel_text_address+0x8d/0x100 [ 450.134493][ C1] __kernel_text_address+0xd/0x30 [ 450.139572][ C1] unwind_get_return_address+0x59/0xa0 [ 450.145083][ C1] arch_stack_walk+0xa6/0xf0 [ 450.149734][ C1] stack_trace_save+0x8e/0xc0 [ 450.154464][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 450.159967][ C1] ? stack_trace_save+0x8e/0xc0 [ 450.164867][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 450.170292][ C1] kasan_save_stack+0x30/0x50 [ 450.175010][ C1] ? kasan_save_stack+0x30/0x50 [ 450.179897][ C1] ? kasan_save_track+0x14/0x30 [ 450.184780][ C1] ? __kasan_kmalloc+0xaa/0xb0 [ 450.189583][ C1] ? __kmalloc_cache_noprof+0x2e5/0x6c0 [ 450.195170][ C1] ? kmem_cache_free+0x412/0x6b0 [ 450.200138][ C1] ? tear_down_vmas+0x2a5/0x600 [ 450.205116][ C1] ? exit_mmap+0x469/0xa00 [ 450.209576][ C1] ? __mmput+0x12a/0x410 [ 450.213880][ C1] ? mmput+0x67/0x80 [ 450.217812][ C1] ? do_exit+0x8b1/0x2ae0 [ 450.222185][ C1] ? do_group_exit+0xd5/0x2a0 [ 450.226900][ C1] ? __x64_sys_exit_group+0x3e/0x50 [ 450.232146][ C1] ? x64_sys_call+0x102c/0x1530 [ 450.237113][ C1] ? do_syscall_64+0x115/0x840 [ 450.241904][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 450.248053][ C1] kasan_save_track+0x14/0x30 [ 450.252767][ C1] __kasan_kmalloc+0xaa/0xb0 [ 450.257410][ C1] __kmalloc_cache_noprof+0x2e5/0x6c0 [ 450.262815][ C1] ? kmem_cache_free+0x412/0x6b0 [ 450.267801][ C1] ? tear_down_vmas+0x2a5/0x600 [ 450.272693][ C1] kmem_cache_free+0x412/0x6b0 [ 450.277499][ C1] tear_down_vmas+0x2a5/0x600 [ 450.282227][ C1] exit_mmap+0x469/0xa00 [ 450.286515][ C1] ? __pfx_exit_mmap+0x10/0x10 [ 450.291314][ C1] ? rcu_is_watching+0x12/0xc0 [ 450.296121][ C1] ? __lock_acquire+0x49f/0x1a40 [ 450.301088][ C1] ? find_held_lock+0x2b/0x80 [ 450.305798][ C1] ? uprobe_clear_state+0x5f/0x260 [ 450.311022][ C1] ? __mutex_unlock_slowpath+0x35d/0x930 [ 450.316743][ C1] ? arch_uprobe_clear_state+0x107/0x150 [ 450.322445][ C1] __mmput+0x12a/0x410 [ 450.326561][ C1] mmput+0x67/0x80 [ 450.330320][ C1] do_exit+0x8b1/0x2ae0 [ 450.334529][ C1] ? do_raw_spin_lock+0x128/0x260 [ 450.339585][ C1] ? __pfx_do_exit+0x10/0x10 [ 450.344215][ C1] ? do_group_exit+0x1bd/0x2a0 [ 450.349021][ C1] ? rcu_is_watching+0x12/0xc0 [ 450.353913][ C1] do_group_exit+0xd5/0x2a0 [ 450.358465][ C1] __x64_sys_exit_group+0x3e/0x50 [ 450.363534][ C1] x64_sys_call+0x102c/0x1530 [ 450.368253][ C1] do_syscall_64+0x115/0x840 [ 450.372878][ C1] ? clear_bhb_loop+0x40/0x90 [ 450.377615][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 450.383554][ C1] RIP: 0033:0x7fe16f9b26c5 [ 450.388010][ C1] RSP: 002b:00007ffef44a0b08 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 450.396464][ C1] RAX: ffffffffffffffda RBX: 00007fe16fab3fe8 RCX: 00007fe16f9b26c5 [ 450.404462][ C1] RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000001 [ 450.412461][ C1] RBP: 0000000000000001 R08: 00007ffef44a0a98 R09: 0000000000000000 [ 450.420459][ C1] R10: 00007ffef44a0930 R11: 0000000000000206 R12: 0000000000000000 [ 450.428468][ C1] R13: 0000000000000001 R14: 00007fe16fab2680 R15: 00007fe16fab4000 [ 450.436504][ C1] [ 450.439580][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 10597 jiffies! g21245 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 450.451930][ C1] rcu: Possible timer handling issue on cpu=1 timer-softirq=5889 [ 450.459923][ C1] rcu: rcu_preempt kthread starved for 10598 jiffies! g21245 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 450.471320][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 450.481316][ C1] rcu: RCU grace-period kthread stack dump: [ 450.487219][ C1] task:rcu_preempt state:I stack:28984 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 [ 450.499236][ C1] Call Trace: [ 450.502626][ C1] [ 450.505586][ C1] __schedule+0x125c/0x6730 [ 450.510178][ C1] ? __pfx___schedule+0x10/0x10 [ 450.515068][ C1] ? find_held_lock+0x2b/0x80 [ 450.519786][ C1] ? schedule+0x225/0x2c0 [ 450.524158][ C1] schedule+0xdd/0x2c0 [ 450.528295][ C1] schedule_timeout+0x127/0x280 [ 450.533185][ C1] ? __pfx_schedule_timeout+0x10/0x10 [ 450.538611][ C1] ? __pfx_process_timeout+0x10/0x10 [ 450.544025][ C1] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 450.549874][ C1] ? prepare_to_swait_event+0xdf/0x4a0 [ 450.555437][ C1] rcu_gp_fqs_loop+0x1a9/0x900 [ 450.560250][ C1] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 450.565691][ C1] ? __pfx_rcu_gp_init+0x10/0x10 [ 450.570940][ C1] ? __pfx_rcu_gp_cleanup+0x10/0x10 [ 450.576179][ C1] ? rcu_is_watching+0x12/0xc0 [ 450.580978][ C1] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 450.586828][ C1] rcu_gp_kthread+0x179/0x230 [ 450.591554][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 450.596791][ C1] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 450.602641][ C1] ? __kthread_parkme+0x18c/0x230 [ 450.607754][ C1] ? kthread+0x13a/0x450 [ 450.612034][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 450.617295][ C1] kthread+0x370/0x450 [ 450.621409][ C1] ? __pfx_kthread+0x10/0x10 [ 450.626051][ C1] ret_from_fork+0x72b/0xd50 [ 450.630722][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 450.635903][ C1] ? __switch_to+0x800/0x10f0 [ 450.640609][ C1] ? __switch_to_asm+0x39/0x70 [ 450.645506][ C1] ? __pfx_kthread+0x10/0x10 [ 450.650136][ C1] ret_from_fork_asm+0x1a/0x30 [ 450.654984][ C1] [ 450.658026][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 450.664455][ C1] CPU: 1 UID: 0 PID: 7086 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full) [ 450.674211][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 450.684303][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 450.690001][ C1] Code: d6 86 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 57 11 00 fb f4 bc 48 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 450.709642][ C1] RSP: 0018:ffffc900064077b8 EFLAGS: 00000242 [ 450.715833][ C1] RAX: 000000000000b7dc RBX: 0000000000000003 RCX: 0000000000000004 [ 450.723913][ C1] RDX: 0000000000000000 RSI: ffffffff8df5902e RDI: ffffffff8c1e8f80 [ 450.731910][ C1] RBP: ffff888079894310 R08: 0000000000000001 R09: 0000000000000000 [ 450.739929][ C1] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000003 [ 450.747924][ C1] R13: 0000000000000003 R14: ffff8880b853c600 R15: 0000000000000000 [ 450.755917][ C1] FS: 00007f00d57b26c0(0000) GS:ffff8881243e7000(0000) knlGS:0000000000000000 [ 450.764873][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 450.771488][ C1] CR2: 0000000000001000 CR3: 000000007f488000 CR4: 00000000003526f0 [ 450.779491][ C1] Call Trace: [ 450.782791][ C1] [ 450.785739][ C1] kvm_wait+0x124/0x160 [ 450.790018][ C1] __pv_queued_spin_lock_slowpath+0x4b0/0xc00 [ 450.796138][ C1] ? __pfx___pv_queued_spin_lock_slowpath+0x10/0x10 [ 450.802780][ C1] ? aa_sk_perm+0x309/0xaa0 [ 450.807481][ C1] do_raw_spin_lock+0x1e0/0x260 [ 450.812373][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 450.817871][ C1] ? __pfx___might_resched+0x10/0x10 [ 450.823250][ C1] lock_sock_nested+0x5f/0xf0 [ 450.827974][ C1] ? tipc_sendstream+0x41/0x70 [ 450.832837][ C1] tipc_sendstream+0x41/0x70 [ 450.837471][ C1] ____sys_sendmsg+0xa4d/0xbe0 [ 450.842360][ C1] ? __pfx_tipc_sendstream+0x10/0x10 [ 450.847685][ C1] ? __pfx_____sys_sendmsg+0x10/0x10 [ 450.853017][ C1] ? rcu_is_watching+0x12/0xc0 [ 450.857819][ C1] ? ___sys_sendmsg+0x19d/0x1e0 [ 450.862707][ C1] ? kfree+0x1e5/0x6c0 [ 450.866812][ C1] ___sys_sendmsg+0x190/0x1e0 [ 450.871533][ C1] ? __pfx____sys_sendmsg+0x10/0x10 [ 450.876776][ C1] ? futex_hash+0x311/0x400 [ 450.881342][ C1] ? __pfx___might_resched+0x10/0x10 [ 450.886678][ C1] __sys_sendmmsg+0x20c/0x440 [ 450.891483][ C1] ? __pfx___sys_sendmmsg+0x10/0x10 [ 450.896728][ C1] ? __pfx_do_futex+0x10/0x10 [ 450.901476][ C1] ? __sys_socket+0xac/0x260 [ 450.906110][ C1] ? xfd_validate_state+0x129/0x190 [ 450.911356][ C1] __x64_sys_sendmmsg+0x9c/0x100 [ 450.916326][ C1] ? lockdep_hardirqs_on+0x78/0x100 [ 450.921567][ C1] do_syscall_64+0x115/0x840 [ 450.926198][ C1] ? clear_bhb_loop+0x40/0x90 [ 450.930925][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 450.936857][ C1] RIP: 0033:0x7f00d57e1959 [ 450.941308][ C1] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 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 d0 ff ff ff f7 d8 64 89 01 48 [ 450.960947][ C1] RSP: 002b:00007f00d57b21d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 450.969394][ C1] RAX: ffffffffffffffda RBX: 00007f00d588cb48 RCX: 00007f00d57e1959 [ 450.977395][ C1] RDX: 00000000000009a6 RSI: 0000000000000000 RDI: 0000000000000004 [ 450.985474][ C1] RBP: 00007f00d588cb40 R08: 37203a6b63617473 R09: 37203a6b63617473 [ 450.993497][ C1] R10: 000000000000000a R11: 0000000000000246 R12: 00007f00d585d4a0 [ 451.001492][ C1] R13: 0000200000000040 R14: 0000200000000000 R15: 0064657373657270 [ 451.009509][ C1]