------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0 Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.15.175-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:copy_from_user_nofault+0x15c/0x1c0 mm/maccess.c:226 Code: db 48 c7 c0 f2 ff ff ff 48 0f 44 c5 eb 0c e8 5b c4 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 44 c4 d5 ff <0f> 0b e9 1e ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c ef fe ff RSP: 0018:ffffc90000007af0 EFLAGS: 00010046 RAX: ffffffff81aac09c RBX: 0000000000000000 RCX: ffffffff8c8bd680 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff81aabfad R09: fffffbfff1917ad1 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 0000000000000008 R14: 0000000000000000 R15: ffffc90000007b68 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f06384ac110 CR3: 0000000078e54000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline] ____bpf_probe_read_compat kernel/trace/bpf_trace.c:281 [inline] bpf_probe_read_compat+0xe4/0x180 kernel/trace/bpf_trace.c:277 bpf_prog_ee60aafa828f4cb7+0x35/0xf38 bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline] bpf_trace_run2+0x19e/0x340 kernel/trace/bpf_trace.c:1915 trace_hrtimer_start include/trace/events/timer.h:199 [inline] debug_activate kernel/time/hrtimer.c:476 [inline] enqueue_hrtimer+0x324/0x390 kernel/time/hrtimer.c:1084 __run_hrtimer kernel/time/hrtimer.c:1705 [inline] __hrtimer_run_queues+0x6b6/0xcf0 kernel/time/hrtimer.c:1752 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1769 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558 __do_softirq kernel/softirq.c:592 [inline] invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:22 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline] RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:132 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:109 [inline] RIP: 0010:acpi_idle_do_entry+0x10f/0x340 drivers/acpi/processor_idle.c:562 Code: 04 38 f7 48 83 e3 08 0f 85 0a 01 00 00 4c 8d 74 24 20 e8 f4 7e 3e f7 0f 1f 44 00 00 e8 9a 00 38 f7 0f 00 2d 33 a9 bb 00 fb f4 <4c> 89 f3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 f7 e8 1b dd 81 f7 RSP: 0018:ffffffff8c807b80 EFLAGS: 000002d3 RAX: ffffffff8a488446 RBX: 0000000000000000 RCX: ffffffff8c8bd680 RDX: 0000000000000000 RSI: ffffffff8aab2b80 RDI: ffffffff8af9f000 RBP: ffffffff8c807c10 R08: ffffffff81870360 R09: fffffbfff1917ad1 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1900f70 R13: ffff88801e197004 R14: ffffffff8c807ba0 R15: dffffc0000000000 acpi_idle_enter+0x352/0x4f0 drivers/acpi/processor_idle.c:697 cpuidle_enter_state+0x521/0xef0 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x59/0x90 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:158 [inline] cpuidle_idle_call kernel/sched/idle.c:239 [inline] do_idle+0x3e4/0x670 kernel/sched/idle.c:306 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403 start_kernel+0x48c/0x540 init/main.c:1140 secondary_startup_64_no_verify+0xb1/0xbb ---------------- Code disassembly (best guess): 0: 04 38 add $0x38,%al 2: f7 48 83 e3 08 0f 85 testl $0x850f08e3,-0x7d(%rax) 9: 0a 01 or (%rcx),%al b: 00 00 add %al,(%rax) d: 4c 8d 74 24 20 lea 0x20(%rsp),%r14 12: e8 f4 7e 3e f7 call 0xf73e7f0b 17: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 1c: e8 9a 00 38 f7 call 0xf73800bb 21: 0f 00 2d 33 a9 bb 00 verw 0xbba933(%rip) # 0xbba95b 28: fb sti 29: f4 hlt * 2a: 4c 89 f3 mov %r14,%rbx <-- trapping instruction 2d: 48 c1 eb 03 shr $0x3,%rbx 31: 42 80 3c 3b 00 cmpb $0x0,(%rbx,%r15,1) 36: 74 08 je 0x40 38: 4c 89 f7 mov %r14,%rdi 3b: e8 1b dd 81 f7 call 0xf781dd5b