RBP: 00007f043ac02320 R08: 00007f043ab366c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f043ac0232c R13: 0000000000000000 R14: 00007ffd16596bd0 R15: 00007ffd16596cb8 watchdog: BUG: soft lockup - CPU#1 stuck for 245s! [syz-executor313:328] Modules linked in: CPU: 1 PID: 328 Comm: syz-executor313 Not tainted 6.1.141-syzkaller-00037-gfa7e0538663e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:preempt_count_sub+0x2f/0x170 kernel/sched/core.c:5923 Code: 56 53 48 bb 00 00 00 00 00 fc ff df 48 c7 c0 c0 c0 96 87 48 c1 e8 03 0f b6 04 18 84 c0 0f 85 c2 00 00 00 83 3d 61 2a 4b 06 00 <75> 25 65 8b 05 60 d7 b6 7e 89 c1 81 e1 ff ff ff 7f 39 cf 7f 27 81 RSP: 0018:ffffc90000ed67b0 EFLAGS: 00000246 RAX: 0000000000000004 RBX: dffffc0000000000 RCX: ffffffff8796c003 RDX: 0000000000000000 RSI: 0000000000000201 RDI: 0000000000000001 RBP: ffffc90000ed67c0 R08: dffffc0000000000 R09: ffffed10243e1d14 R10: ffffed10243e1d14 R11: 1ffff110243e1d13 R12: dffffc0000000000 R13: 1ffff920001dacfc R14: ffffffff84c9460e R15: 0000000053b60822 FS: 00007f043ab366c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f043ab15d58 CR3: 00000001255a5000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __local_bh_enable_ip+0x58/0x80 kernel/softirq.c:451 __raw_spin_trylock_bh include/linux/spinlock_api_smp.h:177 [inline] _raw_spin_trylock_bh+0xd5/0x130 kernel/locking/spinlock.c:146 spin_trylock_bh include/linux/spinlock.h:411 [inline] tipc_sk_rcv+0x43e/0x2cc0 net/tipc/socket.c:2496 tipc_node_xmit+0x257/0xd00 net/tipc/node.c:1703 tipc_node_xmit_skb+0xe9/0x130 net/tipc/node.c:1768 tipc_sk_rcv+0x1def/0x2cc0 net/tipc/socket.c:2522 tipc_node_xmit+0x257/0xd00 net/tipc/node.c:1703 tipc_sk_push_backlog net/tipc/socket.c:1316 [inline] tipc_sk_filter_connect net/tipc/socket.c:2255 [inline] tipc_sk_filter_rcv+0x155f/0x2c80 net/tipc/socket.c:2364 tipc_sk_enqueue net/tipc/socket.c:2445 [inline] tipc_sk_rcv+0x7d9/0x2cc0 net/tipc/socket.c:2497 tipc_node_xmit+0x257/0xd00 net/tipc/node.c:1703 tipc_node_xmit_skb net/tipc/node.c:1768 [inline] tipc_node_distr_xmit+0x292/0x390 net/tipc/node.c:1783 tipc_sk_backlog_rcv+0x16f/0x1f0 net/tipc/socket.c:2412 sk_backlog_rcv include/net/sock.h:1131 [inline] __release_sock+0x154/0x380 net/core/sock.c:2945 release_sock+0x60/0x1c0 net/core/sock.c:3519 tipc_release+0xd32/0x1650 net/tipc/socket.c:652 __sock_release net/socket.c:652 [inline] sock_close+0xf1/0x290 net/socket.c:1390 __fput+0x1fc/0x8f0 fs/file_table.c:320 ____fput+0x15/0x20 fs/file_table.c:348 task_work_run+0x1db/0x240 kernel/task_work.c:203 ptrace_notify+0x221/0x250 kernel/signal.c:2377 ptrace_report_syscall include/linux/ptrace.h:424 [inline] ptrace_report_syscall_exit include/linux/ptrace.h:486 [inline] syscall_exit_work+0x84/0x140 kernel/entry/common.c:258 syscall_exit_to_user_mode_prepare+0x1c/0x20 kernel/entry/common.c:285 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0xd/0x30 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f043ab77ae9 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:00007f043ab36168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: 00000000000203a0 RBX: 00007f043ac02328 RCX: 00007f043ab77ae9 RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 RBP: 00007f043ac02320 R08: 00007f043ab366c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f043ac0232c R13: 0000000000000000 R14: 00007ffd16596bd0 R15: 00007ffd16596cb8