Warning: Permanently added '10.128.0.85' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 52.637236][ C1] ------------[ cut here ]------------ [ 52.642813][ C1] WARNING: CPU: 1 PID: 2359 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 [ 52.652203][ C1] Modules linked in: [ 52.656095][ C1] CPU: 1 PID: 2359 Comm: kworker/1:3 Not tainted 5.15.184-syzkaller #0 [ 52.664332][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 52.674381][ C1] Workqueue: events bpf_prog_free_deferred [ 52.680272][ C1] RIP: 0010:copy_from_user_nofault+0x160/0x1c0 [ 52.686434][ C1] Code: 24 45 31 f6 31 ff 89 de e8 dd e3 d7 ff 85 db 48 c7 c0 f2 ff ff ff 49 0f 44 c6 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 60 e0 d7 ff <0f> 0b e9 1c ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ea fe [ 52.706046][ C1] RSP: 0018:ffffc90000dd0c10 EFLAGS: 00010006 [ 52.712134][ C1] RAX: ffffffff819fe0e0 RBX: 0000000000000008 RCX: ffff8880257b8000 [ 52.720115][ C1] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000 [ 52.728276][ C1] RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1004af7001 [ 52.736267][ C1] R10: ffffed1004af7001 R11: 1ffff11004af7000 R12: ffff8880257b9788 [ 52.744230][ C1] R13: 00007ffffffff000 R14: ffffc90000dd0c88 R15: 0000000020000000 [ 52.752206][ C1] FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 [ 52.761312][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.767895][ C1] CR2: 0000000020000000 CR3: 000000000be8e000 CR4: 00000000003506e0 [ 52.775861][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.783832][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.791815][ C1] Call Trace: [ 52.795090][ C1] [ 52.797937][ C1] bpf_probe_read_compat+0xdd/0x170 [ 52.803140][ C1] bpf_prog_bcff4640d6a7c5a9+0x5e/0x3d0 [ 52.808685][ C1] bpf_trace_run2+0x15b/0x2d0 [ 52.813449][ C1] ? bpf_trace_run1+0x2d0/0x2d0 [ 52.818326][ C1] ? hrtimer_interrupt+0x4d4/0x8d0 [ 52.823440][ C1] ? perf_trace_tlb_flush+0x340/0x340 [ 52.828811][ C1] __traceiter_tlb_flush+0x69/0xb0 [ 52.833919][ C1] trace_tlb_flush+0xe6/0x110 [ 52.838600][ C1] switch_mm_irqs_off+0x6e3/0x9a0 [ 52.843619][ C1] ? switch_mm+0x120/0x120 [ 52.848043][ C1] flush_tlb_func+0x1bc/0x510 [ 52.852712][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 52.857902][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 52.862750][ C1] ? native_flush_tlb_multi+0xd0/0xd0 [ 52.868119][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 52.873332][ C1] ? native_flush_tlb_multi+0xd0/0xd0 [ 52.878702][ C1] flush_smp_call_function_queue+0x2a9/0x760 [ 52.884684][ C1] __sysvec_call_function_single+0x98/0x240 [ 52.890571][ C1] sysvec_call_function_single+0x98/0xc0 [ 52.896210][ C1] [ 52.899236][ C1] [ 52.902165][ C1] asm_sysvec_call_function_single+0x16/0x20 [ 52.908151][ C1] RIP: 0010:free_unref_page+0x1c3/0x280 [ 52.913702][ C1] Code: c7 44 24 40 00 00 00 00 9c 8f 44 24 40 f6 44 24 41 02 0f 85 85 00 00 00 f7 c3 00 02 00 00 74 01 fb 48 c7 44 24 20 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 66 43 c7 44 3d 09 00 00 43 c6 44 3d 0b [ 52.933671][ C1] RSP: 0018:ffffc900064afa80 EFLAGS: 00000206 [ 52.939821][ C1] RAX: 7e976e92e8a94c00 RBX: 0000000000000293 RCX: 7e976e92e8a94c00 [ 52.947790][ C1] RDX: dffffc0000000000 RSI: ffffffff8a0b11c0 RDI: ffffffff8a59a700 [ 52.955844][ C1] RBP: ffffc900064afb60 R08: dffffc0000000000 R09: fffffbfff1ff3632 [ 52.964118][ C1] R10: fffffbfff1ff3632 R11: 1ffffffff1ff3631 R12: ffffffff8bbaf818 [ 52.972096][ C1] R13: 1ffff92000c95f54 R14: ffffea0001c7c900 R15: dffffc0000000000 [ 52.980162][ C1] ? mutex_unlock+0x10/0x10 [ 52.984664][ C1] ? mark_free_pages+0x5c0/0x5c0 [ 52.989600][ C1] ? set_direct_map_invalid_noflush+0x110/0x110 [ 52.995852][ C1] ? _vm_unmap_aliases+0x432/0x4a0 [ 53.000961][ C1] ? __free_pages+0x95/0x1a0 [ 53.005547][ C1] __vunmap+0x8ab/0xa40 [ 53.009724][ C1] bpf_jit_free+0x92/0x180 [ 53.014139][ C1] process_one_work+0x863/0x1000 [ 53.019082][ C1] ? worker_detach_from_pool+0x240/0x240 [ 53.024711][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 53.029994][ C1] ? _raw_spin_lock_irq+0xab/0xe0 [ 53.035013][ C1] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 53.040380][ C1] ? wq_worker_running+0x97/0x170 [ 53.045399][ C1] worker_thread+0xaa8/0x12a0 [ 53.050073][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 53.055287][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 53.060484][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 53.066383][ C1] kthread+0x436/0x520 [ 53.070451][ C1] ? rcu_lock_release+0x20/0x20 [ 53.075304][ C1] ? kthread_blkcg+0xd0/0xd0 [ 53.079897][ C1] ret_from_fork+0x1f/0x30 [ 53.084319][ C1] [ 53.087336][ C1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 53.094616][ C1] CPU: 1 PID: 2359 Comm: kworker/1:3 Not tainted 5.15.184-syzkaller #0 [ 53.102850][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 53.112904][ C1] Workqueue: events bpf_prog_free_deferred [ 53.119145][ C1] Call Trace: [ 53.122427][ C1] [ 53.125270][ C1] dump_stack_lvl+0x168/0x230 [ 53.129946][ C1] ? show_regs_print_info+0x20/0x20 [ 53.135145][ C1] ? load_image+0x3b0/0x3b0 [ 53.139659][ C1] panic+0x2c9/0x7f0 [ 53.143992][ C1] ? bpf_jit_dump+0xd0/0xd0 [ 53.148503][ C1] ? ret_from_fork+0x1f/0x30 [ 53.153090][ C1] ? copy_from_user_nofault+0x160/0x1c0 [ 53.158629][ C1] __warn+0x248/0x2b0 [ 53.162608][ C1] ? copy_from_user_nofault+0x160/0x1c0 [ 53.168158][ C1] report_bug+0x1b7/0x2e0 [ 53.172490][ C1] handle_bug+0x3a/0x70 [ 53.176639][ C1] exc_invalid_op+0x16/0x40 [ 53.181136][ C1] asm_exc_invalid_op+0x16/0x20 [ 53.185984][ C1] RIP: 0010:copy_from_user_nofault+0x160/0x1c0 [ 53.192135][ C1] Code: 24 45 31 f6 31 ff 89 de e8 dd e3 d7 ff 85 db 48 c7 c0 f2 ff ff ff 49 0f 44 c6 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 60 e0 d7 ff <0f> 0b e9 1c ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ea fe [ 53.211736][ C1] RSP: 0018:ffffc90000dd0c10 EFLAGS: 00010006 [ 53.217806][ C1] RAX: ffffffff819fe0e0 RBX: 0000000000000008 RCX: ffff8880257b8000 [ 53.225774][ C1] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000 [ 53.233738][ C1] RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1004af7001 [ 53.241805][ C1] R10: ffffed1004af7001 R11: 1ffff11004af7000 R12: ffff8880257b9788 [ 53.249769][ C1] R13: 00007ffffffff000 R14: ffffc90000dd0c88 R15: 0000000020000000 [ 53.257829][ C1] ? copy_from_user_nofault+0x160/0x1c0 [ 53.263391][ C1] bpf_probe_read_compat+0xdd/0x170 [ 53.268610][ C1] bpf_prog_bcff4640d6a7c5a9+0x5e/0x3d0 [ 53.274173][ C1] bpf_trace_run2+0x15b/0x2d0 [ 53.278858][ C1] ? bpf_trace_run1+0x2d0/0x2d0 [ 53.283710][ C1] ? hrtimer_interrupt+0x4d4/0x8d0 [ 53.288822][ C1] ? perf_trace_tlb_flush+0x340/0x340 [ 53.294197][ C1] __traceiter_tlb_flush+0x69/0xb0 [ 53.299322][ C1] trace_tlb_flush+0xe6/0x110 [ 53.303997][ C1] switch_mm_irqs_off+0x6e3/0x9a0 [ 53.309023][ C1] ? switch_mm+0x120/0x120 [ 53.313525][ C1] flush_tlb_func+0x1bc/0x510 [ 53.318195][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 53.323393][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 53.328249][ C1] ? native_flush_tlb_multi+0xd0/0xd0 [ 53.333618][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 53.338906][ C1] ? native_flush_tlb_multi+0xd0/0xd0 [ 53.344270][ C1] flush_smp_call_function_queue+0x2a9/0x760 [ 53.350251][ C1] __sysvec_call_function_single+0x98/0x240 [ 53.356258][ C1] sysvec_call_function_single+0x98/0xc0 [ 53.361886][ C1] [ 53.364819][ C1] [ 53.367759][ C1] asm_sysvec_call_function_single+0x16/0x20 [ 53.373735][ C1] RIP: 0010:free_unref_page+0x1c3/0x280 [ 53.379279][ C1] Code: c7 44 24 40 00 00 00 00 9c 8f 44 24 40 f6 44 24 41 02 0f 85 85 00 00 00 f7 c3 00 02 00 00 74 01 fb 48 c7 44 24 20 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 66 43 c7 44 3d 09 00 00 43 c6 44 3d 0b [ 53.399088][ C1] RSP: 0018:ffffc900064afa80 EFLAGS: 00000206 [ 53.405165][ C1] RAX: 7e976e92e8a94c00 RBX: 0000000000000293 RCX: 7e976e92e8a94c00 [ 53.413237][ C1] RDX: dffffc0000000000 RSI: ffffffff8a0b11c0 RDI: ffffffff8a59a700 [ 53.421233][ C1] RBP: ffffc900064afb60 R08: dffffc0000000000 R09: fffffbfff1ff3632 [ 53.429217][ C1] R10: fffffbfff1ff3632 R11: 1ffffffff1ff3631 R12: ffffffff8bbaf818 [ 53.437206][ C1] R13: 1ffff92000c95f54 R14: ffffea0001c7c900 R15: dffffc0000000000 [ 53.445207][ C1] ? mutex_unlock+0x10/0x10 [ 53.449727][ C1] ? mark_free_pages+0x5c0/0x5c0 [ 53.454665][ C1] ? set_direct_map_invalid_noflush+0x110/0x110 [ 53.460904][ C1] ? _vm_unmap_aliases+0x432/0x4a0 [ 53.466011][ C1] ? __free_pages+0x95/0x1a0 [ 53.470620][ C1] __vunmap+0x8ab/0xa40 [ 53.474792][ C1] bpf_jit_free+0x92/0x180 [ 53.479207][ C1] process_one_work+0x863/0x1000 [ 53.484165][ C1] ? worker_detach_from_pool+0x240/0x240 [ 53.489814][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 53.495104][ C1] ? _raw_spin_lock_irq+0xab/0xe0 [ 53.500137][ C1] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 53.505510][ C1] ? wq_worker_running+0x97/0x170 [ 53.510536][ C1] worker_thread+0xaa8/0x12a0 [ 53.515211][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 53.520412][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 53.525615][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 53.531605][ C1] kthread+0x436/0x520 [ 53.535667][ C1] ? rcu_lock_release+0x20/0x20 [ 53.540508][ C1] ? kthread_blkcg+0xd0/0xd0 [ 53.545091][ C1] ret_from_fork+0x1f/0x30 [ 53.549527][ C1] [ 53.552739][ C1] Kernel Offset: disabled [ 53.557112][ C1] Rebooting in 86400 seconds..