watchdog: BUG: soft lockup - CPU#0 stuck for 144s! [syz.1.12:5347] Modules linked in: irq event stamp: 59259 hardirqs last enabled at (59258): [] kvm_wait+0x23b/0x2c0 hardirqs last disabled at (59259): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1037 softirqs last enabled at (1006): [] tipc_wait_for_rcvmsg+0x33f/0x6a0 net/tipc/socket.c:1845 softirqs last disabled at (1010): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (1010): [] lock_sock_nested+0x6a/0x100 net/core/sock.c:3614 CPU: 0 UID: 0 PID: 5347 Comm: syz.1.12 Not tainted 6.12.0-rc1-syzkaller-00176-g989a29cfed9b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:106 [inline] RIP: 0010:kvm_wait+0x250/0x2c0 arch/x86/kernel/kvm.c:1060 Code: 3b 45 0f b6 f6 44 89 ff 44 89 f6 e8 da 3c 54 00 e8 55 00 5c 00 45 38 f7 75 15 66 90 e8 49 3c 54 00 0f 00 2d 52 8d c7 0a fb f4 50 fe ff ff e8 36 3c 54 00 fb e9 45 fe ff ff 89 d9 80 e1 07 38 RSP: 0018:ffffc900042d74e0 EFLAGS: 00000246 RAX: ffffffff8140a727 RBX: ffff88814c58b2c0 RCX: 0000000000040000 RDX: ffffc900091d9000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc900042d75b0 R08: ffffffff942c5907 R09: 1ffffffff2858b20 R10: dffffc0000000000 R11: fffffbfff2858b21 R12: 1ffff9200085aea0 R13: dffffc0000000000 R14: 0000000000000003 R15: 0000000000000003 FS: 00007f8a9111d6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000480 CR3: 000000007da28000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:596 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:466 [inline] __pv_queued_spin_lock_slowpath+0x8d0/0xdb0 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:584 [inline] queued_spin_lock_slowpath+0x42/0x50 arch/x86/include/asm/qspinlock.h:51 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock+0x272/0x370 kernel/locking/spinlock_debug.c:116 spin_lock_bh include/linux/spinlock.h:356 [inline] lock_sock_nested+0x6a/0x100 net/core/sock.c:3614 lock_sock include/net/sock.h:1609 [inline] tipc_wait_for_rcvmsg+0x387/0x6a0 net/tipc/socket.c:1848 tipc_recvstream+0x296/0xf80 net/tipc/socket.c:2038 sock_recvmsg_nosec net/socket.c:1051 [inline] sock_recvmsg+0x22f/0x280 net/socket.c:1073 ____sys_recvmsg+0x1c6/0x480 net/socket.c:2821 ___sys_recvmsg net/socket.c:2863 [inline] __sys_recvmsg+0x2e6/0x3d0 net/socket.c:2893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8a9037dff9 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:00007f8a9111d038 EFLAGS: 00000246 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 00007f8a90535f80 RCX: 00007f8a9037dff9 RDX: 0000000000000000 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00007f8a903f0296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f8a90535f80 R15: 00007fff973ca1c8 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 5346 Comm: syz.1.12 Not tainted 6.12.0-rc1-syzkaller-00176-g989a29cfed9b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:check_preemption_disabled+0x37/0x120 Code: 8b 04 25 28 00 00 00 48 89 44 24 08 65 8b 1d 6c 63 3e 74 65 8b 05 61 63 3e 74 a9 ff ff ff 7f 74 26 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 0f 85 ce 00 00 00 89 d8 48 83 c4 10 5b 41 5c 41 5e RSP: 0018:ffffc90004386c60 EFLAGS: 00000002 RAX: 4e1feb5d4160a300 RBX: 0000000000000001 RCX: 0000000000000202 RDX: ffff8880271a3c00 RSI: ffffffff8c0ad7a0 RDI: ffffffff8c60fbe0 RBP: ffffc90004386dd0 R08: ffffffff81a034de R09: 1ffffffff2858b00 R10: dffffc0000000000 R11: fffffbfff2858b01 R12: 0000000000000046 R13: ffff8880271a3c00 R14: 00000000ffffffff R15: ffffffff8e937de0 FS: 000055558e275500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002000 CR3: 000000007da28000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lockdep_recursion_inc kernel/locking/lockdep.c:462 [inline] lock_is_held_type+0x7b/0x190 kernel/locking/lockdep.c:5896 trace_call_bpf+0x197/0x8a0 kernel/trace/bpf_trace.c:146 perf_trace_run_bpf_submit+0x82/0x180 kernel/events/core.c:10416 perf_trace_preemptirq_template+0x2d2/0x3f0 include/trace/events/preemptirq.h:14 trace_irq_enable+0xf1/0x120 include/trace/events/preemptirq.h:40 trace_hardirqs_on+0x18/0x40 kernel/trace/trace_preemptirq.c:56 irqentry_exit+0x63/0x90 kernel/entry/common.c:357 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738 RIP: 0010:rcu_read_unlock_special+0x88/0x570 kernel/rcu/tree_plugin.h:693 Code: f1 f1 f1 00 f2 f2 f2 49 89 04 14 66 41 c7 44 14 09 f3 f3 41 c6 44 14 0b f3 65 44 8b 3d 39 27 88 7e 41 f7 c7 00 00 f0 00 74 49 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 22 00 00 00 00 66 42 c7 44 22 RSP: 0018:ffffc90004387020 EFLAGS: 00000206 RAX: 4e1feb5d4160a300 RBX: 1ffff92000870e0c RCX: ffffffff8170c42a RDX: dffffc0000000000 RSI: ffffffff8c0acac0 RDI: ffffffff8c60fbe0 RBP: ffffc900043870f8 R08: ffffffff942c5907 R09: 1ffffffff2858b20 R10: dffffc0000000000 R11: fffffbfff2858b21 R12: 1ffff92000870e08 R13: ffff8880271a4060 R14: ffffc90004387060 R15: ffffffff8e93cc00 __rcu_read_unlock+0xa1/0x110 kernel/rcu/tree_plugin.h:437 tipc_sk_filter_rcv+0x187f/0x3950 net/tipc/socket.c:2362 tipc_sk_enqueue net/tipc/socket.c:2443 [inline] tipc_sk_rcv+0x8b3/0x1d20 net/tipc/socket.c:2495 tipc_node_xmit+0x1e0/0xfa0 net/tipc/node.c:1701 tipc_node_xmit_skb+0x149/0x1b0 net/tipc/node.c:1766 __tipc_shutdown+0x1271/0x1680 net/tipc/socket.c:596 tipc_release+0x19c/0x1870 net/tipc/socket.c:640 __sock_release net/socket.c:658 [inline] sock_close+0xbc/0x240 net/socket.c:1426 __fput+0x23f/0x880 fs/file_table.c:431 task_work_run+0x24f/0x310 kernel/task_work.c:228 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8a9037dff9 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:00007fff973ca328 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f8a90537a80 RCX: 00007f8a9037dff9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f8a90537a80 R08: 0000000000000006 R09: 00007fff973ca61f R10: 00000000003ffc1c R11: 0000000000000246 R12: 0000000000012e72 R13: 00007fff973ca430 R14: 0000000000000032 R15: ffffffffffffffff