------------[ cut here ]------------
WARNING: CPU: 0 PID: 17700 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 17700 Comm: syz.3.4626 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 7d 90 d8 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 00 8d d8 ff <0f> 0b e9 1c ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ea fe
RSP: 0018:ffffc90000007900 EFLAGS: 00010006
RAX: ffffffff81a0a790 RBX: 0000000000000008 RCX: ffff888025c2d940
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888025c2d947 R09: 1ffff11004b85b28
R10: dffffc0000000000 R11: ffffed1004b85b29 R12: ffff888025c2f0c8
R13: 00007ffffffff000 R14: ffffc90000007970 R15: 0000000020000000
FS:  00007f12391946c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000001 CR3: 000000001f7ad000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 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+0xdd/0x170 kernel/trace/bpf_trace.c:277
 bpf_prog_ca2ebcd76953ac02_F+0x2c/0x310
 bpf_prog_686c087aed3071d7+0x18/0x1a8
 bpf_dispatcher_nop_func include/linux/bpf.h:888 [inline]
 __bpf_prog_run include/linux/filter.h:628 [inline]
 bpf_prog_run include/linux/filter.h:635 [inline]
 bpf_overflow_handler+0x1c2/0x4a0 kernel/events/core.c:10297
 __perf_event_overflow+0x364/0x530 kernel/events/core.c:9515
 perf_swevent_hrtimer+0x41b/0x5b0 kernel/events/core.c:10934
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x4b4/0xb70 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x3bb/0x8d0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:pv_queued_spin_unlock arch/x86/include/asm/paravirt.h:590 [inline]
RIP: 0010:queued_spin_unlock arch/x86/include/asm/qspinlock.h:56 [inline]
RIP: 0010:do_raw_spin_unlock+0x118/0x230 kernel/locking/spinlock_debug.c:141
Code: 19 8c 48 c1 e8 03 42 80 3c 20 00 74 0c 48 c7 c7 d8 28 19 8c e8 19 e7 5f 00 48 83 3d 89 bc ba 0a 00 0f 84 10 01 00 00 48 89 df <e8> 83 dd ff ff 66 90 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 e1 78 82
RSP: 0018:ffffc90002427b38 EFLAGS: 00000282
RAX: 1ffffffff183251b RBX: ffffc90000e0dd88 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90000e0dd88
RBP: 1ffff920001c1bb2 R08: ffffc90000e0dd8b R09: 1ffff920001c1bb1
R10: dffffc0000000000 R11: fffff520001c1bb2 R12: dffffc0000000000
R13: 1ffff920001c1bb3 R14: ffffc90000e0dd98 R15: ffffc90000e0dd90
 __raw_spin_unlock include/linux/spinlock_api_smp.h:151 [inline]
 _raw_spin_unlock+0x1a/0x40 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:404 [inline]
 futex_wake+0x49c/0x540 kernel/futex/core.c:1701
 do_futex+0xd73/0x12b0 kernel/futex/core.c:3988
 __do_sys_futex kernel/futex/core.c:4060 [inline]
 __se_sys_futex+0x389/0x420 kernel/futex/core.c:4041
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f123af5b819
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f12391940e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f123b1d5098 RCX: 00007f123af5b819
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f123b1d509c
RBP: 00007f123b1d5090 R08: 002be5f6b7e084d6 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f123b1d5128 R14: 00007ffee9c2ee20 R15: 00007ffee9c2ef08
 </TASK>
----------------
Code disassembly (best guess):
   0:	19 8c 48 c1 e8 03 42 	sbb    %ecx,0x4203e8c1(%rax,%rcx,2)
   7:	80 3c 20 00          	cmpb   $0x0,(%rax,%riz,1)
   b:	74 0c                	je     0x19
   d:	48 c7 c7 d8 28 19 8c 	mov    $0xffffffff8c1928d8,%rdi
  14:	e8 19 e7 5f 00       	call   0x5fe732
  19:	48 83 3d 89 bc ba 0a 	cmpq   $0x0,0xababc89(%rip)        # 0xababcaa
  20:	00
  21:	0f 84 10 01 00 00    	je     0x137
  27:	48 89 df             	mov    %rbx,%rdi
* 2a:	e8 83 dd ff ff       	call   0xffffddb2 <-- trapping instruction
  2f:	66 90                	xchg   %ax,%ax
  31:	5b                   	pop    %rbx
  32:	41 5c                	pop    %r12
  34:	41 5d                	pop    %r13
  36:	41 5e                	pop    %r14
  38:	41 5f                	pop    %r15
  3a:	5d                   	pop    %rbp
  3b:	c3                   	ret
  3c:	e8                   	.byte 0xe8
  3d:	e1 78                	loope  0xb7
  3f:	82                   	.byte 0x82