------------[ cut here ]------------
WARNING: CPU: 0 PID: 4584 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:

CPU: 0 PID: 4584 Comm: syz.0.98 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 7d 94 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 91 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:ffffc90000007940 EFLAGS: 00010046

RAX: ffffffff81a08ea0 RBX: 0000000000000008 RCX: ffff88802a623b80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: 1ffffffff203a218
R10: dffffc0000000000 R11: fffffbfff203a219 R12: ffff88802a625308
R13: dffffc0000000000 R14: ffffc900000079a8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000000c0 CR3: 000000005a1ba000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
 ____bpf_probe_read_user kernel/trace/bpf_trace.c:166 [inline]
 bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
 bpf_prog_02073d59a3c0f06f+0x3d/0x58
 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_trace_run kernel/trace/bpf_trace.c:1878 [inline]
 bpf_trace_run1+0x159/0x2e0 kernel/trace/bpf_trace.c:1914
 trace_workqueue_activate_work+0x13e/0x1a0 include/trace/events/workqueue.h:59
 __queue_work+0x8ec/0xd50 kernel/workqueue.c:1521
 rcu_work_rcufn+0xdb/0x120 kernel/workqueue.c:1768
 rcu_do_batch kernel/rcu/tree.c:2523 [inline]
 rcu_core+0x9d2/0x1670 kernel/rcu/tree.c:2763
 handle_softirqs+0x339/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:instrument_atomic_read include/linux/instrumented.h:71 [inline]
RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline]
RIP: 0010:lock_page_memcg+0x23d/0x440 mm/memcontrol.c:2062
Code: 00 00 9c 8f 44 24 40 f7 44 24 40 00 02 00 00 c6 44 01 04 f8 0f 85 f9 00 00 00 f7 c3 00 02 00 00 74 01 fb 4d 8d af 80 10 00 00 <4c> 89 ef be 04 00 00 00 e8 06 8f fb ff 4c 89 e8 48 c1 e8 03 48 b9
RSP: 0018:ffffc9000300f420 EFLAGS: 00000206

RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 1ffff92000601e88
RDX: dffffc0000000000 RSI: ffffffff8a2b2780 RDI: ffffffff8a79f780
RBP: ffffc9000300f4f8 R08: ffffffff901d10c7 R09: 1ffffffff203a218
R10: dffffc0000000000 R11: fffffbfff203a219 R12: ffff888140774670
R13: ffff888140775080 R14: ffffea0001a25ff8 R15: ffff888140774000
 page_remove_rmap+0x2a/0x10f0 mm/rmap.c:1351
 zap_pte_range mm/memory.c:1384 [inline]
 zap_pmd_range mm/memory.c:1505 [inline]
 zap_pud_range mm/memory.c:1534 [inline]
 zap_p4d_range mm/memory.c:1555 [inline]
 unmap_page_range+0xf96/0x2500 mm/memory.c:1576
 unmap_vmas+0x131/0x250 mm/memory.c:1653
 exit_mmap+0x3b9/0x640 mm/mmap.c:3216
 __mmput+0x115/0x3b0 kernel/fork.c:1127
 exit_mm+0x588/0x6e0 kernel/exit.c:550
 do_exit+0x5a9/0x20c0 kernel/exit.c:870
 do_group_exit+0x12e/0x300 kernel/exit.c:997
 get_signal+0x6ca/0x12c0 kernel/signal.c:2900
 arch_do_signal_or_restart+0xe7/0x12c0 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f625f038cb9
Code: Unable to access opcode bytes at RIP 0x7f625f038c8f.
RSP: 002b:00007f625d2940e8 EFLAGS: 00000246
 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f625f2b3fa8 RCX: 00007f625f038cb9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f625f2b3fac
RBP: 00007f625f2b3fa0 R08: 003b2405ab08f55b R09: 0000000000000000
R10: 000000000000fe33 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f625f2b4038 R14: 00007ffc7820cff0 R15: 00007ffc7820d0d8
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	9c                   	pushf
   3:	8f 44 24 40          	pop    0x40(%rsp)
   7:	f7 44 24 40 00 02 00 	testl  $0x200,0x40(%rsp)
   e:	00
   f:	c6 44 01 04 f8       	movb   $0xf8,0x4(%rcx,%rax,1)
  14:	0f 85 f9 00 00 00    	jne    0x113
  1a:	f7 c3 00 02 00 00    	test   $0x200,%ebx
  20:	74 01                	je     0x23
  22:	fb                   	sti
  23:	4d 8d af 80 10 00 00 	lea    0x1080(%r15),%r13
* 2a:	4c 89 ef             	mov    %r13,%rdi <-- trapping instruction
  2d:	be 04 00 00 00       	mov    $0x4,%esi
  32:	e8 06 8f fb ff       	call   0xfffb8f3d
  37:	4c 89 e8             	mov    %r13,%rax
  3a:	48 c1 e8 03          	shr    $0x3,%rax
  3e:	48                   	rex.W
  3f:	b9                   	.byte 0xb9