rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-....: (1 GPs behind) idle=aadc/1/0x4000000000000000 softirq=13450/13452 fqs=5246 rcu: hardirqs softirqs csw/system rcu: number: 5398 0 0 rcu: cputime: 186 0 52303 ==> 52490(ms) rcu: (t=10500 jiffies g=13277 q=215 ncpus=2) CPU: 0 UID: 0 PID: 5769 Comm: syz-executor301 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:should_resched arch/x86/include/asm/preempt.h:104 [inline] RIP: 0010:__local_bh_enable_ip+0xd8/0x130 kernel/softirq.c:457 Code: 8b e8 9c e0 1a 0a 65 66 8b 05 cc ed ae 11 66 85 c0 75 32 bf 01 00 00 00 e8 75 f3 0b 00 e8 80 ec 45 00 fb 65 8b 05 a8 ed ae 11 <85> c0 75 05 e8 6f e8 ab ff 5b 41 5e e9 72 be 88 ff cc 90 0f 0b 90 RSP: 0018:ffffc9000321e5c8 EFLAGS: 00000202 RAX: 0000000000000201 RBX: 0000000000000201 RCX: 0000000000000201 RDX: 0000000000000002 RSI: ffffffff8dfa1cc7 RDI: ffffffff8c2899a0 RBP: ffffc9000321e8f0 R08: ffffffff902f88f7 R09: 1ffffffff205f11e R10: dffffc0000000000 R11: fffffbfff205f11f R12: ffff888020fa95c0 R13: ffffc9000321eb60 R14: ffffffff8b4153a0 R15: 000000002728f9a2 FS: 00007f67f73136c0(0000) GS:ffff8881252b9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000000 CR3: 0000000025d1e000 CR4: 0000000000350ef0 Call Trace: __raw_spin_trylock_bh include/linux/spinlock_api_smp.h:207 [inline] _raw_spin_trylock_bh+0x60/0x70 kernel/locking/spinlock.c:150 spin_trylock_bh include/linux/spinlock.h:414 [inline] tipc_sk_rcv+0x420/0x2b50 net/tipc/socket.c:2496 tipc_node_xmit+0x205/0xf10 net/tipc/node.c:1701 tipc_node_xmit_skb net/tipc/node.c:1766 [inline] tipc_node_distr_xmit+0x2cd/0x400 net/tipc/node.c:1781 tipc_sk_rcv+0x2539/0x2b50 net/tipc/socket.c:2501 tipc_node_xmit+0x205/0xf10 net/tipc/node.c:1701 tipc_sk_push_backlog net/tipc/socket.c:1312 [inline] tipc_sk_filter_connect net/tipc/socket.c:2255 [inline] tipc_sk_filter_rcv+0x17ee/0x3210 net/tipc/socket.c:2364 tipc_sk_enqueue net/tipc/socket.c:2445 [inline] tipc_sk_rcv+0x877/0x2b50 net/tipc/socket.c:2497 tipc_node_xmit+0x205/0xf10 net/tipc/node.c:1701 tipc_node_xmit_skb net/tipc/node.c:1766 [inline] tipc_node_distr_xmit+0x2cd/0x400 net/tipc/node.c:1781 tipc_sk_backlog_rcv+0x1ad/0x270 net/tipc/socket.c:2412 sk_backlog_rcv include/net/sock.h:1190 [inline] __release_sock+0x28b/0x390 net/core/sock.c:3225 release_sock+0x190/0x260 net/core/sock.c:3824 sockopt_release_sock net/core/sock.c:1163 [inline] sk_setsockopt+0x287d/0x2f10 net/core/sock.c:1681 do_sock_setsockopt+0x11b/0x1b0 net/socket.c:2378 __sys_setsockopt net/socket.c:2407 [inline] __do_sys_setsockopt net/socket.c:2413 [inline] __se_sys_setsockopt net/socket.c:2410 [inline] __x64_sys_setsockopt+0x13d/0x1b0 net/socket.c:2410 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f67f733b029 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 RSP: 002b:00007f67f73131d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f67f7313cdc RCX: 00007f67f733b029 RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 RBP: 00007f67f73ebb48 R08: 0000000000000004 R09: 35203a6b63617473 R10: 0000200000000040 R11: 0000000000000246 R12: 0000200000001000 R13: 00007f67f73ebb40 R14: 00007f67f73ebb4c R15: 0000200000000004