------------[ cut here ]------------
WARNING: CPU: 0 PID: 15126 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 15126 Comm: dhcpcd-run-hook Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 dd 99 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 60 96 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: 0000:ffffc90000007908 EFLAGS: 00010006
RAX: ffffffff81a05c40 RBX: 0000000000000000 RCX: ffff888043ed9dc0
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888043ed9dc7 R09: 1ffff110087db3b8
R10: dffffc0000000000 R11: ffffed10087db3b9 R12: ffff888043edb548
R13: 00007ffffffff000 R14: ffffc90000007938 R15: 0000000020000000
FS:  00007f8bdd1b0c80(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8bdd3639e0 CR3: 00000000687de000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000200000000300 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_f1a90013df8fa9eb_F+0x29/0x8f8
 bpf_prog_01cd1b75708a3bcf+0x1a/0x598
 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+0x35f/0x550 kernel/events/core.c:9515
 perf_swevent_hrtimer+0x3c2/0x550 kernel/events/core.c:10934
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x4b0/0xb60 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x397/0x8b0 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:__sanitizer_cov_trace_const_cmp8+0x0/0x80 kernel/kcov.c:301
Code: 28 4d 39 ca 77 22 89 ff 89 f6 4a c7 44 02 08 05 00 00 00 4a 89 7c 02 10 4a 89 74 02 18 4a 89 44 02 20 48 ff c1 48 89 0a c3 90 <48> 8b 04 24 65 48 8b 0d 34 79 89 7e 65 8b 15 35 79 89 7e 81 e2 00
RSP: 0000:ffffc90002fafae8 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 1ffffd40000502c9 RCX: ffffffff819f6c4b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffea0000281648 R08: ffffea0000281647 R09: 1ffffd40000502c8
R10: dffffc0000000000 R11: fffff940000502c9 R12: dffffc0000000000
R13: ffffea0000281640 R14: ffffc90002fafc00 R15: 00fff00000020036
 next_uptodate_page+0x36a/0x870 mm/filemap.c:3261
 next_map_page mm/filemap.c:3296 [inline]
 filemap_map_pages+0xf3d/0x1450 mm/filemap.c:3352
 do_fault_around mm/memory.c:4243 [inline]
 do_read_fault mm/memory.c:4258 [inline]
 do_fault mm/memory.c:4392 [inline]
 handle_pte_fault mm/memory.c:4650 [inline]
 __handle_mm_fault mm/memory.c:4785 [inline]
 handle_mm_fault+0x25bb/0x4440 mm/memory.c:4883
 do_user_addr_fault+0x494/0xc90 arch/x86/mm/fault.c:1355
 handle_page_fault arch/x86/mm/fault.c:1443 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1496
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f8bdd3639e0
Code: dc 0e 00 48 89 54 24 08 e8 5d d2 f9 ff 48 8b 54 24 08 ff 12 eb b3 48 8d 3d ad dc 0e 00 e8 98 d1 f9 ff eb b6 66 0f 1f 44 00 00 <41> 57 89 f1 49 89 d7 41 56 41 89 fe 41 55 41 54 55 53 31 db 48 83
RSP: 002b:00007ffc278fc178 EFLAGS: 00010246
RAX: 00007f8bdd1b0f40 RBX: 0000000000000000 RCX: 00007f8bdd2b8f07
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 00007f8bdd1b0c80 R08: 00007f8bdd44bb60 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000246 R12: 00007f8bdd552b10
R13: 0000000000000000 R14: 0000000000000000 R15: 00007f8bdd552b10
 </TASK>
----------------
Code disassembly (best guess):
   0:	28 4d 39             	sub    %cl,0x39(%rbp)
   3:	ca 77 22             	lret   $0x2277
   6:	89 ff                	mov    %edi,%edi
   8:	89 f6                	mov    %esi,%esi
   a:	4a c7 44 02 08 05 00 	movq   $0x5,0x8(%rdx,%r8,1)
  11:	00 00
  13:	4a 89 7c 02 10       	mov    %rdi,0x10(%rdx,%r8,1)
  18:	4a 89 74 02 18       	mov    %rsi,0x18(%rdx,%r8,1)
  1d:	4a 89 44 02 20       	mov    %rax,0x20(%rdx,%r8,1)
  22:	48 ff c1             	inc    %rcx
  25:	48 89 0a             	mov    %rcx,(%rdx)
  28:	c3                   	ret
  29:	90                   	nop
* 2a:	48 8b 04 24          	mov    (%rsp),%rax <-- trapping instruction
  2e:	65 48 8b 0d 34 79 89 	mov    %gs:0x7e897934(%rip),%rcx        # 0x7e89796a
  35:	7e
  36:	65 8b 15 35 79 89 7e 	mov    %gs:0x7e897935(%rip),%edx        # 0x7e897972
  3d:	81                   	.byte 0x81
  3e:	e2 00                	loop   0x40