Warning: Permanently added '10.128.0.206' (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 [ 194.124456][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 194.131255][ C0] rcu: 0-....: (1 GPs behind) idle=c71c/1/0x4000000000000000 softirq=12499/12507 fqs=5237 [ 194.141700][ C0] rcu: hardirqs softirqs csw/system [ 194.148204][ C0] rcu: number: 5261 0 0 [ 194.154699][ C0] rcu: cputime: 217 0 52204 ==> 52490(ms) [ 194.162839][ C0] rcu: (t=10500 jiffies g=10229 q=203 ncpus=2) [ 194.169108][ C0] CPU: 0 UID: 0 PID: 5928 Comm: syz-executor930 Not tainted syzkaller #0 PREEMPT(full) [ 194.169122][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 194.169129][ C0] RIP: 0010:lock_acquire+0xab/0x2e0 [ 194.169166][ C0] Code: 84 c1 00 00 00 65 8b 05 c3 69 7b 11 85 c0 0f 85 b2 00 00 00 65 48 8b 05 0b 24 7b 11 83 b8 54 0b 00 00 00 0f 85 9d 00 00 00 9c <5b> fa 48 c7 c7 86 47 f4 8d e8 a7 a1 0f 0a 65 ff 05 90 69 7b 11 45 [ 194.169175][ C0] RSP: 0018:ffffc90003c66548 EFLAGS: 00000246 [ 194.169186][ C0] RAX: ffff88804d7e0000 RBX: ffffc90003c66b58 RCX: 0000000000000403 [ 194.169194][ C0] RDX: 0000000000000000 RSI: ffffffff8bb3af46 RDI: 1ffff9200078cd6e [ 194.169201][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 194.169207][ C0] R10: dffffc0000000000 R11: ffffed1004e4eaf1 R12: 0000000000000000 [ 194.169214][ C0] R13: ffffc90003c66b70 R14: 0000000000000000 R15: 0000000000000001 [ 194.169220][ C0] FS: 00007f3f2abe76c0(0000) GS:ffff888125455000(0000) knlGS:0000000000000000 [ 194.169229][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 194.169236][ C0] CR2: 00007f3f2abe6ff8 CR3: 000000007c768000 CR4: 00000000003526f0 [ 194.169248][ C0] Call Trace: [ 194.169255][ C0] [ 194.169262][ C0] ? __local_bh_enable_ip+0xd0/0x130 [ 194.169279][ C0] ? tipc_sk_rcv+0x27b/0x2b70 [ 194.169296][ C0] _raw_spin_lock_bh+0x36/0x50 [ 194.169311][ C0] ? tipc_sk_rcv+0x27b/0x2b70 [ 194.169321][ C0] tipc_sk_rcv+0x27b/0x2b70 [ 194.169344][ C0] ? __lock_acquire+0x6b5/0x2cf0 [ 194.169359][ C0] ? kernel_text_address+0xa5/0xe0 [ 194.169372][ C0] ? __kernel_text_address+0xd/0x30 [ 194.169385][ C0] ? __pfx_tipc_sk_rcv+0x10/0x10 [ 194.169404][ C0] ? tipc_loopback_trace+0x48/0x1b0 [ 194.169420][ C0] ? __raw_spin_lock_init+0x45/0x100 [ 194.169433][ C0] tipc_node_xmit+0x202/0xf10 [ 194.169448][ C0] ? __kasan_slab_free+0x5c/0x80 [ 194.169460][ C0] ? kmem_cache_free+0x187/0x630 [ 194.169472][ C0] ? tipc_sk_rcv+0x274d/0x2b70 [ 194.169481][ C0] ? tipc_node_xmit+0x202/0xf10 [ 194.169495][ C0] ? tipc_sk_filter_rcv+0x1d4c/0x33d0 [ 194.169507][ C0] ? tipc_node_distr_xmit+0x2d8/0x400 [ 194.169521][ C0] ? tipc_sk_backlog_rcv+0x1bb/0x270 [ 194.169532][ C0] ? __release_sock+0x297/0x3a0 [ 194.169547][ C0] ? release_sock+0x190/0x260 [ 194.169557][ C0] ? __pfx_tipc_node_xmit+0x10/0x10 [ 194.169571][ C0] ? do_syscall_64+0x14d/0xf80 [ 194.169585][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 194.169623][ C0] tipc_node_distr_xmit+0x2d8/0x400 [ 194.169644][ C0] ? __pfx_tipc_node_distr_xmit+0x10/0x10 [ 194.169663][ C0] ? tipc_sk_rcv+0x2529/0x2b70 [ 194.169675][ C0] ? __local_bh_enable_ip+0xd0/0x130 [ 194.169691][ C0] tipc_sk_rcv+0x2561/0x2b70 [ 194.169701][ C0] ? is_bpf_text_address+0x292/0x2b0 [ 194.169713][ C0] ? is_bpf_text_address+0x26/0x2b0 [ 194.169727][ C0] ? unwind_next_frame+0xa5/0x23c0 [ 194.169756][ C0] ? __pfx_tipc_sk_rcv+0x10/0x10 [ 194.169766][ C0] ? unwind_next_frame+0xa5/0x23c0 [ 194.169788][ C0] ? tipc_loopback_trace+0x48/0x1b0 [ 194.169804][ C0] ? __raw_spin_lock_init+0x45/0x100 [ 194.169816][ C0] tipc_node_xmit+0x202/0xf10 [ 194.169840][ C0] ? __pfx_tipc_node_xmit+0x10/0x10 [ 194.169859][ C0] ? __lock_acquire+0x6b5/0x2cf0 [ 194.169876][ C0] ? __lock_acquire+0x6b5/0x2cf0 [ 194.169899][ C0] tipc_sk_filter_rcv+0x1d4c/0x33d0 [ 194.169935][ C0] ? __pfx_tipc_sk_filter_rcv+0x10/0x10 [ 194.169948][ C0] ? tipc_sk_lookup+0x817/0x920 [ 194.169963][ C0] ? tipc_sk_rcv+0x752/0x2b70 [ 194.169978][ C0] tipc_sk_rcv+0x88e/0x2b70 [ 194.169987][ C0] ? do_sock_setsockopt+0x11b/0x1b0 [ 194.169999][ C0] ? __x64_sys_setsockopt+0x13d/0x1b0 [ 194.170011][ C0] ? do_syscall_64+0x14d/0xf80 [ 194.170026][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 194.170054][ C0] ? __pfx_tipc_sk_rcv+0x10/0x10 [ 194.170071][ C0] ? lockdep_hardirqs_on+0x7a/0x110 [ 194.170093][ C0] ? tipc_loopback_trace+0x48/0x1b0 [ 194.170112][ C0] ? __raw_spin_lock_init+0x45/0x100 [ 194.170125][ C0] tipc_node_xmit+0x202/0xf10 [ 194.170144][ C0] ? __pfx_tipc_node_xmit+0x10/0x10 [ 194.170174][ C0] tipc_node_distr_xmit+0x2d8/0x400 [ 194.170193][ C0] ? __pfx_tipc_node_distr_xmit+0x10/0x10 [ 194.170213][ C0] ? register_lock_class+0x31/0x2e0 [ 194.170230][ C0] tipc_sk_backlog_rcv+0x1bb/0x270 [ 194.170245][ C0] ? __pfx_tipc_sk_backlog_rcv+0x10/0x10 [ 194.170262][ C0] ? __release_sock+0xa2/0x3a0 [ 194.170277][ C0] ? __local_bh_enable_ip+0xd0/0x130 [ 194.170292][ C0] ? __pfx_tipc_sk_backlog_rcv+0x10/0x10 [ 194.170303][ C0] __release_sock+0x297/0x3a0 [ 194.170323][ C0] release_sock+0x190/0x260 [ 194.170335][ C0] sk_setsockopt+0x28af/0x2e80 [ 194.170352][ C0] ? __pfx_sk_setsockopt+0x10/0x10 [ 194.170366][ C0] ? aa_sk_perm+0x6d5/0x900 [ 194.170390][ C0] ? __pfx_aa_sk_perm+0x10/0x10 [ 194.170405][ C0] ? __fget_files+0x2a/0x420 [ 194.170420][ C0] ? aa_sock_opt_perm+0xff/0x1a0 [ 194.170436][ C0] ? bpf_lsm_socket_setsockopt+0x9/0x20 [ 194.170451][ C0] do_sock_setsockopt+0x11b/0x1b0 [ 194.170467][ C0] __x64_sys_setsockopt+0x13d/0x1b0 [ 194.170483][ C0] do_syscall_64+0x14d/0xf80 [ 194.170498][ C0] ? trace_irq_disable+0x3b/0x150 [ 194.170507][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 194.170518][ C0] ? clear_bhb_loop+0x40/0x90 [ 194.170530][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 194.170541][ C0] RIP: 0033:0x7f3f2ac30029 [ 194.170553][ 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 [ 194.170562][ C0] RSP: 002b:00007f3f2abe71d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 194.170572][ C0] RAX: ffffffffffffffda RBX: 00007f3f2abe7cdc RCX: 00007f3f2ac30029 [ 194.170580][ C0] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 194.170586][ C0] RBP: 00007f3f2ace0b58 R08: 0000000000000004 R09: 35203a6b63617473 [ 194.170593][ C0] R10: 0000200000000540 R11: 0000000000000246 R12: 00002000000002c0 [ 194.170600][ C0] R13: 00007f3f2ace0b50 R14: 00007f3f2ace0b5c R15: 0000200000000004 [ 194.170615][ C0]