------------[ cut here ]------------
WARNING: CPU: 0 PID: 5432 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 5432 Comm: syz.0.323 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
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:ffffc90000007d40 EFLAGS: 00010006
RAX: ffffffff819ed760 RBX: 0000000000000000 RCX: ffff88807df11dc0
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1ff7819
R10: fffffbfff1ff7819 R11: 1ffffffff1ff7818 R12: ffff88807df13548
R13: dffffc0000000000 R14: ffffc90000007da8 R15: 0000000000000000
FS:  00007f1a5a4dd6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1a5c20cdb0 CR3: 0000000061814000 CR4: 00000000003506f0
DR0: 0000000000000000 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_user kernel/trace/bpf_trace.c:166 [inline]
 bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
 bpf_prog_8848bede53a6b60e+0x34/0x838
 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:trace_lock_release include/trace/events/lock.h:58 [inline]
RIP: 0010:lock_release+0xb3/0x870 kernel/locking/lockdep.c:5634
Code: 83 fb 08 0f 83 2e 05 00 00 89 d8 c1 e8 06 48 8d 3c c5 e8 91 69 8d be 08 00 00 00 e8 57 ba 5f 00 89 d8 48 0f a3 05 75 17 0d 0c <73> 0d e8 f6 34 07 00 84 c0 0f 84 34 05 00 00 48 c7 c0 84 c5 69 8d
RSP: 0000:ffffc9000331f9c0 EFLAGS: 00000257
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff815c7a69
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8d6991e8
RBP: ffffc9000331fad8 R08: dffffc0000000000 R09: fffffbfff1ad323e
R10: fffffbfff1ad323e R11: 1ffffffff1ad323d R12: 1ffff92000663f44
R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffff92000663f44
 do_set_pte+0x3c9/0x530 mm/memory.c:4069
 filemap_map_pages+0xe7e/0x1390 mm/filemap.c:3344
 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: 0033:0x7f1a5c20cdb0
Code: Unable to access opcode bytes at RIP 0x7f1a5c20cd86.
RSP: 002b:00007f1a5a4dd118 EFLAGS: 00010246
RAX: fffffffffffffeb8 RBX: 00007f1a5a4dd6c0 RCX: 00007f1a5c2aa409
RDX: 00007f1a5a4ddd78 RSI: 0000000000000058 RDI: 00007f1a5a4dd6c0
RBP: 0000000000000000 R08: 00007f1a5a4dd6c0 R09: 00007ffe3fe661e7
R10: 0000000000000008 R11: 0000000000000202 R12: ffffffffffffffa8
R13: 000000000000000b R14: 00007ffe3fe66100 R15: 00007ffe3fe661e8
 </TASK>
----------------
Code disassembly (best guess):
   0:	83 fb 08             	cmp    $0x8,%ebx
   3:	0f 83 2e 05 00 00    	jae    0x537
   9:	89 d8                	mov    %ebx,%eax
   b:	c1 e8 06             	shr    $0x6,%eax
   e:	48 8d 3c c5 e8 91 69 	lea    -0x72966e18(,%rax,8),%rdi
  15:	8d
  16:	be 08 00 00 00       	mov    $0x8,%esi
  1b:	e8 57 ba 5f 00       	call   0x5fba77
  20:	89 d8                	mov    %ebx,%eax
  22:	48 0f a3 05 75 17 0d 	bt     %rax,0xc0d1775(%rip)        # 0xc0d179f
  29:	0c
* 2a:	73 0d                	jae    0x39 <-- trapping instruction
  2c:	e8 f6 34 07 00       	call   0x73527
  31:	84 c0                	test   %al,%al
  33:	0f 84 34 05 00 00    	je     0x56d
  39:	48 c7 c0 84 c5 69 8d 	mov    $0xffffffff8d69c584,%rax