RBP: 00007f9ef9d1b8ee R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f9ef9e3bf80 R15: 00007ffec3559708 watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.4.7435:30728] Modules linked in: CPU: 1 PID: 30728 Comm: syz.4.7435 Tainted: G W 5.10.222-syzkaller-01494-gfd58936f3c1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:26 [inline] RIP: 0010:__local_bh_enable_ip+0x22/0x80 kernel/softirq.c:189 Code: eb e8 66 0f 1f 44 00 00 55 48 89 e5 89 f7 65 8b 05 ff b7 c2 7e a9 00 00 0f 00 75 53 65 8b 05 f1 b7 c2 7e ff cf e8 ae 59 09 00 <65> 8b 05 e3 b7 c2 7e a9 00 ff ff 00 75 19 48 c7 c7 20 b4 07 85 e8 RSP: 0018:ffffc90000ebea18 EFLAGS: 00000203 RAX: 0000000000000402 RBX: ffffc90000ebee94 RCX: 0000000000000402 RDX: ffffc90002161000 RSI: 0000000000000201 RDI: 0000000000000200 RBP: ffffc90000ebea18 R08: ffffffff8498e495 R09: 0000000000000003 R10: fffff520001d7d38 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc90000ebee80 R14: 00000000f8b657af R15: ffffc90000ebee80 FS: 00007f9ef892d6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9ef890bfa8 CR3: 00000001110c5000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline] _raw_spin_unlock_bh+0x51/0x60 kernel/locking/spinlock.c:207 spin_unlock_bh include/linux/spinlock.h:399 [inline] tipc_skb_peek_port net/tipc/msg.h:1258 [inline] tipc_sk_rcv+0x489/0x1e30 net/tipc/socket.c:2487 tipc_node_xmit+0x34b/0xe30 net/tipc/node.c:1674 tipc_node_xmit_skb+0x153/0x1b0 net/tipc/node.c:1739 tipc_sk_rcv+0x1c0b/0x1e30 net/tipc/socket.c:2518 tipc_node_xmit+0x34b/0xe30 net/tipc/node.c:1674 tipc_sk_push_backlog net/tipc/socket.c:1306 [inline] tipc_sk_filter_connect net/tipc/socket.c:2253 [inline] tipc_sk_filter_rcv+0x1da8/0x3e00 net/tipc/socket.c:2362 tipc_sk_enqueue net/tipc/socket.c:2442 [inline] tipc_sk_rcv+0x8a1/0x1e30 net/tipc/socket.c:2493 tipc_node_xmit+0x34b/0xe30 net/tipc/node.c:1674 tipc_node_xmit_skb net/tipc/node.c:1739 [inline] tipc_node_distr_xmit+0x36a/0x4d0 net/tipc/node.c:1754 tipc_sk_backlog_rcv+0x18b/0x210 net/tipc/socket.c:2410 sk_backlog_rcv include/net/sock.h:1050 [inline] __release_sock+0x148/0x410 net/core/sock.c:2583 release_sock+0x65/0x1b0 net/core/sock.c:3134 tipc_release+0xb6b/0x1440 net/tipc/socket.c:639 __sock_release net/socket.c:597 [inline] sock_close+0xdf/0x270 net/socket.c:1286 __fput+0x33d/0x7b0 fs/file_table.c:281 ____fput+0x15/0x20 fs/file_table.c:314 task_work_run+0x129/0x190 kernel/task_work.c:165 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop+0xbf/0xd0 kernel/entry/common.c:172 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline] syscall_exit_to_user_mode+0xa2/0x1a0 kernel/entry/common.c:274 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f9ef9cad9f9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9ef892d048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: 00000000000203a0 RBX: 00007f9ef9e3bf80 RCX: 00007f9ef9cad9f9 RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000007 RBP: 00007f9ef9d1b8ee R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f9ef9e3bf80 R15: 00007ffec3559708 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline] NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline] NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt drivers/acpi/processor_idle.c:113 [inline] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry drivers/acpi/processor_idle.c:575 [inline] NMI backtrace for cpu 0 skipped: idling at acpi_idle_enter+0x416/0x760 drivers/acpi/processor_idle.c:710