RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fc329da5fb0 R10: 0000000000021000 R11: 0000000000020000 R12: 00007ffcbe583460 R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000 watchdog: BUG: soft lockup - CPU#0 stuck for 226s! [syz.4.2805:10228] Modules linked in: CPU: 0 PID: 10228 Comm: syz.4.2805 Not tainted 6.1.124-syzkaller-00008-gccc915784332 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:smp_call_function_many_cond+0x86a/0x930 kernel/smp.c:998 Code: df 75 0a e8 18 98 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 e8 f6 97 09 00 e1 44 89 f1 80 e1 07 80 c1 03 38 c1 7c df 4c 89 f7 e8 ff 34 51 RSP: 0000:ffffc90000ce7820 EFLAGS: 00000293 RAX: ffffffff816bfcca RBX: 1ffff1103ede7885 RCX: ffff888110fbbcc0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90000ce7928 R08: ffffffff816bfc93 R09: ffffed1021e19a45 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: 0000000800000000 R14: ffff8881f6f3c428 R15: dffffc0000000000 FS: 0000555580838500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc32a8dd680 CR3: 0000000123436000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1166 native_flush_tlb_multi+0x143/0x210 __flush_tlb_multi arch/x86/include/asm/paravirt.h:87 [inline] flush_tlb_multi arch/x86/mm/tlb.c:924 [inline] flush_tlb_mm_range+0x298/0x360 arch/x86/mm/tlb.c:1010 flush_tlb_page arch/x86/include/asm/tlbflush.h:240 [inline] ptep_clear_flush+0x115/0x150 mm/pgtable-generic.c:99 wp_page_copy+0xca9/0x1690 mm/memory.c:3276 do_wp_page+0xc5c/0xf30 handle_pte_fault mm/memory.c:5175 [inline] __handle_mm_fault mm/memory.c:5299 [inline] handle_mm_fault+0x15e0/0x30e0 mm/memory.c:5439 do_user_addr_fault arch/x86/mm/fault.c:1323 [inline] handle_page_fault arch/x86/mm/fault.c:1466 [inline] exc_page_fault+0x3b3/0x6d0 arch/x86/mm/fault.c:1522 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:608 RIP: 0033:0x7fc329b43ffe Code: 31 ff 4d 01 f2 41 0f 92 c7 72 a6 48 8b 44 24 08 48 8d 84 06 00 08 00 00 4c 01 f0 48 21 d8 49 39 c2 72 8e 31 c0 be 01 00 00 00 0f b1 35 7a 96 d9 00 0f 85 26 0a 00 00 c1 e1 02 48 8b 05 8a 96 RSP: 002b:00007ffcbe583310 EFLAGS: 00010246 RAX: 0000000000000000 RBX: fffffffffffff000 RCX: 0000000000000006 RDX: 000000000000003f RSI: 0000000000000001 RDI: 00007ffcbe583458 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fc329da5fb0 R10: 0000000000021000 R11: 0000000000020000 R12: 00007ffcbe583460 R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 10229 Comm: syz.4.2805 Not tainted 6.1.124-syzkaller-00008-gccc915784332 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 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 da de 50 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:ffffc900009972c0 EFLAGS: 00000046 RAX: 0000000000000003 RBX: 1ffff92000132e5c RCX: ffffffff8522978c RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88810982d140 RBP: ffffc90000997370 R08: dffffc0000000000 R09: ffffed1021305a29 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88810982d140 R14: 0000000000000003 R15: 1ffff92000132e60 FS: 00007fc32a9846c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000400000034000 CR3: 0000000123436000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000400000000300 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 __queue_map_get+0x109/0x3b0 kernel/bpf/queue_stack_maps.c:109 queue_map_peek_elem+0x1f/0x30 kernel/bpf/queue_stack_maps.c:171 bpf_prog_00798911c748094f+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:2282 [inline] bpf_trace_run2+0x133/0x290 kernel/trace/bpf_trace.c:2321 __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 __queue_map_get+0x109/0x3b0 kernel/bpf/queue_stack_maps.c:109 queue_map_peek_elem+0x1f/0x30 kernel/bpf/queue_stack_maps.c:171 bpf_prog_00798911c748094f+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_prog_run_pin_on_cpu include/linux/filter.h:627 [inline] bpf_flow_dissect+0x12b/0x3e0 net/core/flow_dissector.c:913 bpf_prog_test_run_flow_dissector+0x465/0x7e0 net/bpf/test_run.c:1487 bpf_prog_test_run+0x3b0/0x630 kernel/bpf/syscall.c:3670 __sys_bpf+0x59f/0x7f0 kernel/bpf/syscall.c:5025 __do_sys_bpf kernel/bpf/syscall.c:5111 [inline] __se_sys_bpf kernel/bpf/syscall.c:5109 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5109 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: 0033:0x7fc329b8cde9 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:00007fc32a984038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fc329da5fa0 RCX: 00007fc329b8cde9 RDX: 0000000000000050 RSI: 0000400000000000 RDI: 000000000000000a RBP: 00007fc329c0e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fc329da5fa0 R15: 00007ffcbe583368