RBP: 00007fee665698e6 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fee6668af80 R15: 00007ffd0859ded8 watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.0.863:4266] Modules linked in: CPU: 1 PID: 4266 Comm: syz.0.863 Not tainted 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_add+0x6c/0x1a0 kernel/sched/core.c:4462 Code: b9 7e 48 c7 c0 00 b9 08 87 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 f2 00 00 00 83 3d ed aa bf 05 00 75 11 65 8b 05 70 5f b9 7e <0f> b6 c0 3d f5 00 00 00 73 6e 65 8b 05 5f 5f b9 7e 25 ff ff ff 7f RSP: 0018:ffffc9000100e978 EFLAGS: 00000246 RAX: 0000000000000402 RBX: 0000000000000201 RCX: ffffffff8708b903 RDX: dffffc0000000000 RSI: ffffffff8507b520 RDI: 0000000000000201 RBP: ffffc9000100e990 R08: ffffffff849904d1 R09: ffffed1024613291 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000201d34 R13: ffff888123099488 R14: 000000008288a55f R15: dffffc0000000000 FS: 00007fee6517c6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fee6515afa8 CR3: 000000010abf3000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __local_bh_disable_ip include/linux/bottom_half.h:12 [inline] __raw_spin_trylock_bh include/linux/spinlock_api_smp.h:181 [inline] _raw_spin_trylock_bh+0x6e/0x190 kernel/locking/spinlock.c:143 spin_trylock_bh include/linux/spinlock.h:414 [inline] tipc_sk_rcv+0x4c2/0x1e30 net/tipc/socket.c:2492 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: 0033:0x7fee664fc299 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:00007fee6517c048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: 00000000000203a0 RBX: 00007fee6668af80 RCX: 00007fee664fc299 RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000004 RBP: 00007fee665698e6 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fee6668af80 R15: 00007ffd0859ded8 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