------------[ cut here ]------------
WARNING: CPU: 1 PID: 11157 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 1 PID: 11157 Comm: syz.7.1239 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 3d f7 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 c0 f3 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:ffffc90000dd0d30 EFLAGS: 00010006
RAX: ffffffff819ed760 RBX: 0000000000000008 RCX: ffff888026843b80
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1004d08771
R10: ffffed1004d08771 R11: 1ffff11004d08770 R12: ffff888026845308
R13: 00007ffffffff000 R14: ffffc90000dd0da8 R15: 0000000020000000
FS:  00007f2929a586c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f292b787db0 CR3: 00000000237ad000 CR4: 00000000003506e0
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_compat kernel/trace/bpf_trace.c:281 [inline]
 bpf_probe_read_compat+0xdd/0x170 kernel/trace/bpf_trace.c:277
 bpf_prog_bcff4640d6a7c5a9+0x5e/0xdd0
 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_run2+0x15b/0x2d0 kernel/trace/bpf_trace.c:1915
 trace_tlb_flush+0xe6/0x110 include/trace/events/tlb.h:38
 flush_tlb_func+0x43f/0x510 arch/x86/mm/tlb.c:855
 flush_smp_call_function_queue+0x2a9/0x760 kernel/smp.c:628
 __sysvec_call_function_single+0x98/0x240 arch/x86/kernel/smp.c:248
 instr_sysvec_call_function_single arch/x86/kernel/smp.c:243 [inline]
 sysvec_call_function_single+0x98/0xc0 arch/x86/kernel/smp.c:243
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:684
RIP: 0010:check_region_inline mm/kasan/generic.c:169 [inline]
RIP: 0010:kasan_check_range+0xb/0x290 mm/kasan/generic.c:189
Code: 31 c0 c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 00 00 cc cc 00 00 cc cc 00 00 cc cc b0 01 48 85 f6 0f 84 a4 01 00 00 <41> 57 41 56 53 49 89 f8 49 01 f0 0f 82 57 02 00 00 49 89 f8 49 c1
RSP: 0000:ffffc9000141fad0 EFLAGS: 00000202
RAX: ffffffff819de901 RBX: ffffea0001ccecc0 RCX: ffffffff819de97d
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffea0001ccecc0
RBP: dffffc0000000000 R08: dffffc0000000000 R09: fffff94000399d99
R10: fffff94000399d99 R11: 1ffffd4000399d98 R12: 1ffffd4000399d98
R13: ffffea0001ccecc8 R14: 1ffffd4000399d99 R15: 00fff00000002036
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
 PageReadahead include/linux/page-flags.h:396 [inline]
 next_uptodate_page+0x36d/0x8b0 mm/filemap.c:3261
 next_map_page mm/filemap.c:3296 [inline]
 filemap_map_pages+0xebd/0x1390 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+0x2580/0x43c0 mm/memory.c:4883
 do_user_addr_fault+0x489/0xc80 arch/x86/mm/fault.c:1357
 handle_page_fault arch/x86/mm/fault.c:1445 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1501
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f292b787db0
Code: Unable to access opcode bytes at RIP 0x7f292b787d86.
RSP: 002b:00007f2929a58118 EFLAGS: 00010246
RAX: fffffffffffffeb8 RBX: 00007f2929a586c0 RCX: 00007f292b825409
RDX: 00007f2929a58d78 RSI: 0000000000000058 RDI: 00007f2929a586c0
RBP: 0000000000000000 R08: 00007f2929a586c0 R09: 00007ffdc89a8307
R10: 0000000000000008 R11: 0000000000000202 R12: ffffffffffffffa8
R13: 000000000000000b R14: 00007ffdc89a8220 R15: 00007ffdc89a8308
 </TASK>
----------------
Code disassembly (best guess):
   0:	31 c0                	xor    %eax,%eax
   2:	c3                   	ret
   3:	0f 0b                	ud2
   5:	b8 ea ff ff ff       	mov    $0xffffffea,%eax
   a:	c3                   	ret
   b:	0f 0b                	ud2
   d:	b8 ea ff ff ff       	mov    $0xffffffea,%eax
  12:	c3                   	ret
  13:	00 00                	add    %al,(%rax)
  15:	cc                   	int3
  16:	cc                   	int3
  17:	00 00                	add    %al,(%rax)
  19:	cc                   	int3
  1a:	cc                   	int3
  1b:	00 00                	add    %al,(%rax)
  1d:	cc                   	int3
  1e:	cc                   	int3
  1f:	b0 01                	mov    $0x1,%al
  21:	48 85 f6             	test   %rsi,%rsi
  24:	0f 84 a4 01 00 00    	je     0x1ce
* 2a:	41 57                	push   %r15 <-- trapping instruction
  2c:	41 56                	push   %r14
  2e:	53                   	push   %rbx
  2f:	49 89 f8             	mov    %rdi,%r8
  32:	49 01 f0             	add    %rsi,%r8
  35:	0f 82 57 02 00 00    	jb     0x292
  3b:	49 89 f8             	mov    %rdi,%r8
  3e:	49                   	rex.WB
  3f:	c1                   	.byte 0xc1