Warning: Permanently added '10.128.0.147' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program [ 182.877646][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 182.884338][ C0] rcu: 0-....: (10500 ticks this GP) idle=cad4/1/0x4000000000000000 softirq=13015/13017 fqs=5250 [ 182.894926][ C0] rcu: hardirqs softirqs csw/system [ 182.901326][ C0] rcu: number: 5252 0 0 [ 182.907811][ C0] rcu: cputime: 96 0 52372 ==> 52500(ms) [ 182.915622][ C0] rcu: (t=10502 jiffies g=12309 q=497 ncpus=2) [ 182.921888][ C0] CPU: 0 UID: 0 PID: 5637 Comm: syz-executor359 Not tainted syzkaller #0 PREEMPT(full) [ 182.931596][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 182.941656][ C0] RIP: 0010:lock_acquire+0x232/0x350 [ 182.946953][ C0] Code: ff ff ff e8 20 29 41 0a f7 44 24 10 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 72 54 f1 11 48 3b 44 24 50 75 33 fb 48 83 c4 58 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 cf 2c 44 0a cc 48 8d 3d f7 34 da [ 182.966548][ C0] RSP: 0018:ffffc90003b0e490 EFLAGS: 00000296 [ 182.972605][ C0] RAX: cc9dfaf670db4500 RBX: 0000000000000000 RCX: 0000000000000201 [ 182.980570][ C0] RDX: 000000000e29fdd3 RSI: ffffffff8e6fd63b RDI: ffffffff8c6d9480 [ 182.988531][ C0] RBP: ffff888034759f40 R08: 5e00000000000000 R09: 0000000000000000 [ 182.996509][ C0] R10: 0000000000000000 R11: ffffffff8ed5c6e0 R12: ffffffff8ed5c6e0 [ 183.004471][ C0] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000246 [ 183.012442][ C0] FS: 00007fe1b5b736c0(0000) GS:ffff888124cd9000(0000) knlGS:0000000000000000 [ 183.021377][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 183.027959][ C0] CR2: 00007fe1b5b72ff8 CR3: 0000000071a9c000 CR4: 00000000003526f0 [ 183.035924][ C0] Call Trace: [ 183.039195][ C0] [ 183.042117][ C0] ? net_generic+0x1e/0x240 [ 183.046627][ C0] net_generic+0x3a/0x240 [ 183.050945][ C0] ? net_generic+0x1e/0x240 [ 183.055440][ C0] tipc_sk_lookup+0xa6/0x920 [ 183.060030][ C0] ? __pfx_tipc_sk_lookup+0x10/0x10 [ 183.065236][ C0] ? tipc_sk_rcv+0x3e8/0x2b50 [ 183.069998][ C0] ? __local_bh_enable_ip+0xd6/0x140 [ 183.075283][ C0] tipc_sk_rcv+0x3f8/0x2b50 [ 183.079780][ C0] ? lock_acquire+0x115/0x350 [ 183.084449][ C0] ? __lock_acquire+0x6df/0x2e50 [ 183.089385][ C0] ? __pfx_tipc_sk_rcv+0x10/0x10 [ 183.094323][ C0] ? tipc_loopback_trace+0x48/0x1b0 [ 183.099522][ C0] ? __raw_spin_lock_init+0x45/0x100 [ 183.104799][ C0] tipc_node_xmit+0x205/0xf10 [ 183.109467][ C0] ? tipc_msg_reverse+0x70a/0x970 [ 183.114482][ C0] ? tipc_sk_rcv+0x2733/0x2b50 [ 183.119233][ C0] ? tipc_node_xmit+0x205/0xf10 [ 183.124180][ C0] ? tipc_sk_rcv+0x877/0x2b50 [ 183.128846][ C0] ? tipc_node_xmit+0x205/0xf10 [ 183.133688][ C0] ? tipc_sk_backlog_rcv+0x1ad/0x270 [ 183.138966][ C0] ? __release_sock+0x28b/0x390 [ 183.143827][ C0] ? sk_setsockopt+0x287d/0x2f10 [ 183.148757][ C0] ? do_sock_setsockopt+0x11b/0x1b0 [ 183.153944][ C0] ? __pfx_tipc_node_xmit+0x10/0x10 [ 183.159147][ C0] tipc_node_distr_xmit+0x2cd/0x400 [ 183.164335][ C0] ? kasan_quarantine_put+0xbb/0x1f0 [ 183.169625][ C0] ? __pfx_tipc_node_distr_xmit+0x10/0x10 [ 183.175340][ C0] ? tipc_sk_rcv+0x2501/0x2b50 [ 183.180109][ C0] ? __local_bh_enable_ip+0xd6/0x140 [ 183.185404][ C0] tipc_sk_rcv+0x2539/0x2b50 [ 183.190017][ C0] ? __pfx_tipc_sk_rcv+0x10/0x10 [ 183.194970][ C0] ? tipc_loopback_trace+0x48/0x1b0 [ 183.200172][ C0] ? __raw_spin_lock_init+0x45/0x100 [ 183.205454][ C0] tipc_node_xmit+0x205/0xf10 [ 183.210148][ C0] ? __lock_acquire+0x6df/0x2e50 [ 183.215077][ C0] ? __pfx_tipc_node_xmit+0x10/0x10 [ 183.220290][ C0] ? __lock_acquire+0x6df/0x2e50 [ 183.225317][ C0] ? lock_acquire+0x115/0x350 [ 183.229987][ C0] tipc_sk_filter_rcv+0x17f3/0x3210 [ 183.235199][ C0] ? __pfx_tipc_sk_filter_rcv+0x10/0x10 [ 183.240739][ C0] ? tipc_sk_rcv+0x73e/0x2b50 [ 183.245426][ C0] tipc_sk_rcv+0x877/0x2b50 [ 183.249930][ C0] ? do_syscall_64+0x166/0x520 [ 183.254702][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 183.260790][ C0] ? __pfx_tipc_sk_rcv+0x10/0x10 [ 183.265731][ C0] ? tipc_loopback_trace+0x48/0x1b0 [ 183.270940][ C0] ? __raw_spin_lock_init+0x45/0x100 [ 183.276221][ C0] tipc_node_xmit+0x205/0xf10 [ 183.280913][ C0] ? __pfx_tipc_node_xmit+0x10/0x10 [ 183.286135][ C0] tipc_node_distr_xmit+0x2cd/0x400 [ 183.291374][ C0] ? __pfx_tipc_node_distr_xmit+0x10/0x10 [ 183.297122][ C0] tipc_sk_backlog_rcv+0x1ad/0x270 [ 183.302254][ C0] ? __pfx_tipc_sk_backlog_rcv+0x10/0x10 [ 183.307907][ C0] ? __release_sock+0xa9/0x390 [ 183.312662][ C0] ? __local_bh_enable_ip+0xd6/0x140 [ 183.317945][ C0] ? __pfx_tipc_sk_backlog_rcv+0x10/0x10 [ 183.323566][ C0] __release_sock+0x28b/0x390 [ 183.328239][ C0] release_sock+0x190/0x260 [ 183.332762][ C0] sk_setsockopt+0x287d/0x2f10 [ 183.337528][ C0] ? __pfx_sk_setsockopt+0x10/0x10 [ 183.342636][ C0] ? aa_sk_perm+0x713/0x900 [ 183.347166][ C0] ? __pfx_aa_sk_perm+0x10/0x10 [ 183.352039][ C0] ? aa_sock_opt_perm+0x142/0x1e0 [ 183.357095][ C0] ? bpf_lsm_socket_setsockopt+0x9/0x20 [ 183.362660][ C0] do_sock_setsockopt+0x11b/0x1b0 [ 183.367686][ C0] __x64_sys_setsockopt+0x13d/0x1b0 [ 183.372879][ C0] do_syscall_64+0x166/0x520 [ 183.377462][ C0] ? trace_irq_disable+0x3b/0x140 [ 183.382488][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 183.388543][ C0] ? clear_bhb_loop+0x70/0xc0 [ 183.393210][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 183.399090][ C0] RIP: 0033:0x7fe1b5bbc029 [ 183.403512][ C0] 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 [ 183.423110][ C0] RSP: 002b:00007fe1b5b731d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 183.431534][ C0] RAX: ffffffffffffffda RBX: 00007fe1b5b73cdc RCX: 00007fe1b5bbc029 [ 183.439519][ C0] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 183.447488][ C0] RBP: 00007fe1b5c6cb58 R08: 0000000000000004 R09: 35203a6b63617473 [ 183.455450][ C0] R10: 00002000000001c0 R11: 0000000000000246 R12: 00002000000004c0 [ 183.463435][ C0] R13: 00007fe1b5c6cb50 R14: 00007fe1b5c6cb5c R15: 0000200000000104 [ 183.471420][ C0]