watchdog: BUG: soft lockup - CPU#1 stuck for 225s! [syz.1.2645:7686] Modules linked in: CPU: 1 PID: 7686 Comm: syz.1.2645 Not tainted 6.1.90-syzkaller-00119-gd7387786c269 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:csd_lock_wait kernel/smp.c:453 [inline] RIP: 0010:smp_call_function_many_cond+0x851/0x930 kernel/smp.c:998 Code: 3e 44 89 fe 83 e6 01 31 ff e8 4b 9f 09 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 0a e8 86 9b 09 00 e9 2f ff ff ff f3 90 <42> 0f b6 04 3b 84 c0 75 14 41 f7 06 01 00 00 00 0f 84 12 ff ff ff RSP: 0018:ffffc90000b47420 EFLAGS: 00000246 RAX: ffffffff816c062c RBX: 1ffff1103ee07a99 RCX: 0000000000040000 RDX: ffffc90001109000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc90000b47538 R08: ffffffff816c05f5 R09: ffffed103ee271fb R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 0000000800000000 R14: ffff8881f703d4c8 R15: dffffc0000000000 FS: 00007fe9db1f36c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30617ff8 CR3: 0000000114405000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1166 on_each_cpu include/linux/smp.h:71 [inline] text_poke_sync arch/x86/kernel/alternative.c:1334 [inline] text_poke_bp_batch+0x1e9/0x730 arch/x86/kernel/alternative.c:1534 text_poke_bp+0xc8/0x140 arch/x86/kernel/alternative.c:1771 __static_call_transform+0x333/0x560 arch/x86/kernel/static_call.c:109 arch_static_call_transform+0x51/0xa0 arch/x86/kernel/static_call.c:161 __static_call_update+0xd2/0x5c0 kernel/static_call_inline.c:136 tracepoint_update_call kernel/tracepoint.c:317 [inline] tracepoint_add_func+0x873/0x940 kernel/tracepoint.c:358 tracepoint_probe_register_prio_may_exist+0x11c/0x180 kernel/tracepoint.c:482 tracepoint_probe_register_may_exist include/linux/tracepoint.h:52 [inline] __bpf_probe_register kernel/trace/bpf_trace.c:2338 [inline] bpf_probe_register+0x152/0x1e0 kernel/trace/bpf_trace.c:2344 bpf_raw_tp_link_attach+0x456/0x6b0 kernel/bpf/syscall.c:3352 bpf_raw_tracepoint_open+0x22d/0x4a0 kernel/bpf/syscall.c:3379 __sys_bpf+0x4f5/0x7f0 kernel/bpf/syscall.c:5029 __do_sys_bpf kernel/bpf/syscall.c:5091 [inline] __se_sys_bpf kernel/bpf/syscall.c:5089 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5089 x64_sys_call+0x87f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fe9da377299 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:00007fe9db1f3048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fe9da505f80 RCX: 00007fe9da377299 RDX: 0000000000000010 RSI: 0000000020000340 RDI: 0000000000000011 RBP: 00007fe9da3e48e6 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fe9da505f80 R15: 00007ffe356a39b8 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 7683 Comm: syz.3.2644 Not tainted 6.1.90-syzkaller-00119-gd7387786c269 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:native_halt arch/x86/include/asm/irqflags.h:57 [inline] RIP: 0010:halt arch/x86/include/asm/irqflags.h:98 [inline] RIP: 0010:kvm_wait+0x117/0x180 arch/x86/kernel/kvm.c:1058 Code: 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 53 41 0f b6 45 00 44 38 f0 0f 85 63 ff ff ff 66 90 0f 00 2d 4a 01 31 04 f4 54 ff ff ff fa 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b RSP: 0018:ffffc90001517120 EFLAGS: 00000046 RAX: 0000000000000003 RBX: 1ffff920002a2e28 RCX: ffffffff851f798c RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffc90001519080 RBP: ffffc900015171d0 R08: dffffc0000000000 R09: fffff520002a3211 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffc90001519080 R14: 0000000000000003 R15: 1ffff920002a2e2c FS: 00007f4aa5ccc6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe356a3c38 CR3: 0000000117c7b000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:603 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x6de/0xda0 kernel/locking/qspinlock.c:511 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock include/linux/spinlock.h:187 [inline] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline] _raw_spin_lock_irqsave+0x1a0/0x210 kernel/locking/spinlock.c:162 __bpf_ringbuf_reserve+0x1c5/0x3d0 kernel/bpf/ringbuf.c:410 ____bpf_ringbuf_output kernel/bpf/ringbuf.c:520 [inline] bpf_ringbuf_output+0x66/0x1f0 kernel/bpf/ringbuf.c:510 bpf_prog_918f90024333f9ff+0x3a/0x3e bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline] __bpf_prog_run include/linux/filter.h:603 [inline] bpf_prog_run include/linux/filter.h:610 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2273 [inline] bpf_trace_run2+0x133/0x290 kernel/trace/bpf_trace.c:2312 __bpf_trace_contention_end+0xb/0x10 include/trace/events/lock.h:122 trace_contention_end include/trace/events/lock.h:122 [inline] __pv_queued_spin_lock_slowpath+0xd59/0xda0 kernel/locking/qspinlock.c:560 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock include/linux/spinlock.h:187 [inline] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline] _raw_spin_lock_irqsave+0x1a0/0x210 kernel/locking/spinlock.c:162 __bpf_ringbuf_reserve+0x1c5/0x3d0 kernel/bpf/ringbuf.c:410 ____bpf_ringbuf_output kernel/bpf/ringbuf.c:520 [inline] bpf_ringbuf_output+0x66/0x1f0 kernel/bpf/ringbuf.c:510 bpf_prog_918f90024333f9ff+0x3a/0x3e bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline] __bpf_prog_run include/linux/filter.h:603 [inline] bpf_prog_run include/linux/filter.h:610 [inline] bpf_test_run+0x4ab/0xa40 net/bpf/test_run.c:402 bpf_prog_test_run_skb+0xaf1/0x13a0 net/bpf/test_run.c:1180 bpf_prog_test_run+0x3b0/0x630 kernel/bpf/syscall.c:3650 __sys_bpf+0x59f/0x7f0 kernel/bpf/syscall.c:5005 __do_sys_bpf kernel/bpf/syscall.c:5091 [inline] __se_sys_bpf kernel/bpf/syscall.c:5089 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5089 x64_sys_call+0x87f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f4aa4f77299 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:00007f4aa5ccc048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f4aa5105f80 RCX: 00007f4aa4f77299 RDX: 0000000000000050 RSI: 0000000020000000 RDI: 000000000000000a RBP: 00007f4aa4fe48e6 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f4aa5105f80 R15: 00007fff3f619fe8