Warning: Permanently added '10.128.0.93' (ECDSA) to the list of known hosts. executing program [ 350.904677][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 350.911481][ C1] rcu: 1-....: (1 GPs behind) idle=4ee/1/0x4000000000000002 softirq=15298/15300 fqs=5250 [ 350.921546][ C1] (t=10502 jiffies g=8237 q=763) [ 350.926552][ C1] NMI backtrace for cpu 1 [ 350.930862][ C1] CPU: 1 PID: 9337 Comm: syz-executor778 Not tainted 5.5.0-rc6-syzkaller #0 [ 350.939537][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 350.949644][ C1] Call Trace: [ 350.952906][ C1] [ 350.955782][ C1] dump_stack+0x197/0x210 [ 350.960098][ C1] nmi_cpu_backtrace.cold+0x70/0xb2 [ 350.965307][ C1] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 350.970918][ C1] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 350.976879][ C1] arch_trigger_cpumask_backtrace+0x14/0x20 [ 350.982793][ C1] rcu_dump_cpu_stacks+0x183/0x1cf [ 350.987902][ C1] ? find_next_bit+0x107/0x130 [ 350.992646][ C1] rcu_sched_clock_irq.cold+0x509/0xc0d [ 350.998185][ C1] ? raise_softirq+0x138/0x340 [ 351.002944][ C1] update_process_times+0x2d/0x70 [ 351.007993][ C1] tick_sched_handle+0xa2/0x190 [ 351.012832][ C1] tick_sched_timer+0x53/0x140 [ 351.017578][ C1] __hrtimer_run_queues+0x364/0xe40 [ 351.022756][ C1] ? tick_sched_do_timer+0x1b0/0x1b0 [ 351.028032][ C1] ? hrtimer_init+0x330/0x330 [ 351.032714][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 351.038430][ C1] ? ktime_get_update_offsets_now+0x2ce/0x430 [ 351.044487][ C1] hrtimer_interrupt+0x314/0x770 [ 351.049446][ C1] smp_apic_timer_interrupt+0x160/0x610 [ 351.054971][ C1] apic_timer_interrupt+0xf/0x20 [ 351.059879][ C1] [ 351.062884][ C1] RIP: 0010:write_comp_data+0x1e/0x70 [ 351.068232][ C1] Code: 48 89 34 d1 48 89 11 5d c3 0f 1f 00 65 4c 8b 04 25 c0 1e 02 00 65 8b 05 08 29 8d 7e a9 00 01 1f 00 75 51 41 8b 80 80 13 00 00 <83> f8 03 75 45 49 8b 80 88 13 00 00 45 8b 80 84 13 00 00 4c 8b 08 [ 351.087813][ C1] RSP: 0018:ffffc90002046ef8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 351.096202][ C1] RAX: 0000000000000000 RBX: ffff88809f45a900 RCX: ffffffff8676b31b [ 351.104165][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 351.112172][ C1] RBP: ffffc90002046f00 R08: ffff888097950440 R09: ffffc90002046f28 [ 351.120126][ C1] R10: fffff52000408de7 R11: ffffc90002046f3f R12: 0000000000000000 [ 351.128075][ C1] R13: 00000000bfffffff R14: ffffc90002047030 R15: ffffc90002047030 [ 351.136102][ C1] ? hash_ip4_del+0xab/0xce0 [ 351.140683][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 351.147053][ C1] hash_ip4_del+0xab/0xce0 [ 351.151462][ C1] hash_ip4_uadt+0x546/0x7a0 [ 351.156150][ C1] ? hash_ip6_del+0xe70/0xe70 [ 351.160805][ C1] ? hash_ip6_uadt+0x670/0x670 [ 351.165581][ C1] ? __kasan_check_write+0x14/0x20 [ 351.170705][ C1] call_ad+0x1a0/0x5a0 [ 351.174758][ C1] ? start_msg+0x220/0x220 [ 351.179226][ C1] ? nla_memcpy+0xb0/0xb0 [ 351.183537][ C1] ? __nla_parse+0x43/0x60 [ 351.187935][ C1] ip_set_ad.isra.0+0x572/0xb20 [ 351.192765][ C1] ? ip_set_nfnl_get_byindex+0x460/0x460 [ 351.198386][ C1] ? nla_memcpy+0xb0/0xb0 [ 351.202721][ C1] ? lock_downgrade+0x920/0x920 [ 351.207552][ C1] ip_set_udel+0x3a/0x50 [ 351.211771][ C1] ? ip_set_ad.isra.0+0xb20/0xb20 [ 351.216794][ C1] nfnetlink_rcv_msg+0xcf2/0xfb0 [ 351.221716][ C1] ? nfnetlink_bind+0x2c0/0x2c0 [ 351.226637][ C1] ? __kasan_check_read+0x11/0x20 [ 351.231641][ C1] ? __lock_acquire+0x8a0/0x4a00 [ 351.236574][ C1] ? save_stack+0x5c/0x90 [ 351.240902][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.247160][ C1] ? apparmor_capable+0x497/0x900 [ 351.252168][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.258387][ C1] ? __kasan_check_read+0x11/0x20 [ 351.263436][ C1] ? apparmor_cred_prepare+0x7b0/0x7b0 [ 351.268891][ C1] netlink_rcv_skb+0x177/0x450 [ 351.273639][ C1] ? nfnetlink_bind+0x2c0/0x2c0 [ 351.278467][ C1] ? netlink_ack+0xb50/0xb50 [ 351.283033][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.289251][ C1] ? ns_capable_common+0x93/0x100 [ 351.294255][ C1] ? ns_capable+0x20/0x30 [ 351.298561][ C1] ? __netlink_ns_capable+0x104/0x140 [ 351.303928][ C1] nfnetlink_rcv+0x1ba/0x460 [ 351.308493][ C1] ? nfnetlink_rcv_batch+0x17a0/0x17a0 [ 351.313925][ C1] ? netlink_deliver_tap+0x24a/0xbe0 [ 351.319187][ C1] ? __kasan_check_write+0x14/0x20 [ 351.324274][ C1] netlink_unicast+0x58c/0x7d0 [ 351.329014][ C1] ? netlink_attachskb+0x870/0x870 [ 351.334100][ C1] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 351.339860][ C1] ? __check_object_size+0x3d/0x437 [ 351.345036][ C1] netlink_sendmsg+0x91c/0xea0 [ 351.349782][ C1] ? netlink_unicast+0x7d0/0x7d0 [ 351.354724][ C1] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 351.360250][ C1] ? apparmor_socket_sendmsg+0x2a/0x30 [ 351.365684][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.371919][ C1] ? security_socket_sendmsg+0x8d/0xc0 [ 351.377353][ C1] ? netlink_unicast+0x7d0/0x7d0 [ 351.382286][ C1] sock_sendmsg+0xd7/0x130 [ 351.386677][ C1] ____sys_sendmsg+0x753/0x880 [ 351.391538][ C1] ? kernel_sendmsg+0x50/0x50 [ 351.396204][ C1] ? lockdep_init_map+0x1be/0x6d0 [ 351.401227][ C1] ___sys_sendmsg+0x100/0x170 [ 351.405881][ C1] ? sendmsg_copy_msghdr+0x70/0x70 [ 351.410966][ C1] ? __kasan_check_read+0x11/0x20 [ 351.415963][ C1] ? __lock_acquire+0x8a0/0x4a00 [ 351.420880][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.427115][ C1] ? __this_cpu_preempt_check+0x35/0x190 [ 351.432724][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.438952][ C1] ? percpu_counter_add_batch+0x13c/0x190 [ 351.444655][ C1] ? __fd_install+0x1bc/0x640 [ 351.449323][ C1] ? find_held_lock+0x35/0x130 [ 351.454061][ C1] ? __fd_install+0x1bc/0x640 [ 351.458717][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.464929][ C1] ? __fget_light+0x1a9/0x230 [ 351.469598][ C1] ? __fdget+0x1b/0x20 [ 351.473641][ C1] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.479878][ C1] __sys_sendmsg+0x105/0x1d0 [ 351.484442][ C1] ? __sys_sendmsg_sock+0xc0/0xc0 [ 351.489498][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 351.494935][ C1] ? do_syscall_64+0x26/0x790 [ 351.499610][ C1] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 351.505651][ C1] ? do_syscall_64+0x26/0x790 [ 351.510309][ C1] __x64_sys_sendmsg+0x78/0xb0 [ 351.515066][ C1] do_syscall_64+0xfa/0x790 [ 351.519544][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 351.525406][ C1] RIP: 0033:0x440509 [ 351.529278][ C1] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 351.548856][ C1] RSP: 002b:00007ffc70826838 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 351.557243][ C1] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440509 [ 351.565205][ C1] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 351.573155][ C1] RBP: 00000000006ca018 R08: 0000000000000018 R09: 00000000004002c8 [ 351.581103][ C1] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000401d90 [ 351.589049][ C1] R13: 0000000000401e20 R14: 0000000000000000 R15: 0000000000000000