rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 1-....: (10501 ticks this GP) idle=3e34/1/0x4000000000000000 softirq=7697/7701 fqs=5250 rcu: hardirqs softirqs csw/system rcu: number: 0 0 0 rcu: cputime: 142 0 52342 ==> 52500(ms) rcu: (t=10502 jiffies g=8985 q=54 ncpus=2) CPU: 1 PID: 8268 Comm: syz-executor149 Not tainted 6.8.0-syzkaller-05204-g237bb5f7f7f5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 RIP: 0010:check_preemption_disabled+0x14/0x120 lib/smp_processor_id.c:13 Code: 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 <48> 89 44 24 08 65 8b 1d bc bd 93 74 65 8b 05 b1 bd 93 74 a9 ff ff RSP: 0018:ffffc90004ea6498 EFLAGS: 00000282 RAX: 92f1d743593dd900 RBX: 0000000000000000 RCX: 0000000000000201 RDX: ffff88802cf39e00 RSI: ffffffff8bfec640 RDI: ffffffff8bfec600 RBP: ffffc90004ea65f0 R08: ffffffff8b0c40dd R09: 1ffffffff2598ea0 R10: dffffc0000000000 R11: fffffbfff2598ea1 R12: ffff88802a589138 R13: dffffc0000000000 R14: ffff88802a588000 R15: 1ffff920009d4cb0 FS: 00007f238772c6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000000 CR3: 000000002cbb0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_lockdep_current_cpu_online+0x37/0x120 kernel/rcu/tree.c:4285 rcu_read_lock_held_common kernel/rcu/update.c:113 [inline] rcu_read_lock_held+0x1e/0x50 kernel/rcu/update.c:349 __rhashtable_lookup include/linux/rhashtable.h:602 [inline] rhashtable_lookup include/linux/rhashtable.h:646 [inline] tipc_sk_lookup+0x1d4/0x940 net/tipc/socket.c:3003 tipc_sk_rcv+0x434/0x1d10 net/tipc/socket.c:2494 tipc_node_xmit+0x1e1/0x1010 net/tipc/node.c:1701 tipc_node_xmit_skb net/tipc/node.c:1766 [inline] tipc_node_distr_xmit+0x30d/0x450 net/tipc/node.c:1781 tipc_sk_rcv+0x15e2/0x1d10 net/tipc/socket.c:2503 tipc_node_xmit+0x1e1/0x1010 net/tipc/node.c:1701 tipc_sk_push_backlog net/tipc/socket.c:1316 [inline] tipc_sk_filter_connect net/tipc/socket.c:2257 [inline] tipc_sk_filter_rcv+0x1934/0x3480 net/tipc/socket.c:2366 tipc_sk_enqueue net/tipc/socket.c:2447 [inline] tipc_sk_rcv+0x8b3/0x1d10 net/tipc/socket.c:2499 tipc_node_xmit+0x1e1/0x1010 net/tipc/node.c:1701 tipc_node_xmit_skb net/tipc/node.c:1766 [inline] tipc_node_distr_xmit+0x30d/0x450 net/tipc/node.c:1781 tipc_sk_backlog_rcv+0x1a2/0x230 net/tipc/socket.c:2414 sk_backlog_rcv include/net/sock.h:1106 [inline] __release_sock+0x243/0x350 net/core/sock.c:2984 release_sock+0x61/0x1f0 net/core/sock.c:3550 sk_setsockopt+0xb19/0x3380 do_sock_setsockopt+0x2fb/0x720 net/socket.c:2307 __sys_setsockopt+0x1ae/0x250 net/socket.c:2334 __do_sys_setsockopt net/socket.c:2343 [inline] __se_sys_setsockopt net/socket.c:2340 [inline] __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7f23877713a9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f238772c228 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f238772c6c0 RCX: 00007f23877713a9 RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 RBP: 00007f23877fb328 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020000540 R11: 0000000000000246 R12: 00007f23877fb320 R13: 00007f23877fb32c R14: 00007ffed4716890 R15: 00007ffed4716978