------------[ cut here ]------------
WARNING: CPU: 1 PID: 25498 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 1 PID: 25498 Comm: syz.8.17014 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: 0000:ffffc90000dd0d40 EFLAGS: 00010006
RAX: ffffffff81a07ea0 RBX: 0000000000000000 RCX: ffff888025f38000
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: 1ffffffff2037218
R10: dffffc0000000000 R11: fffffbfff2037219 R12: ffff888025f39788
R13: dffffc0000000000 R14: ffffc90000dd0da8 R15: 0000000000000000
FS:  00007ff4920726c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff492071ff8 CR3: 000000007186b000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff3 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+0x34/0x340
 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+0x163/0x2e0 kernel/trace/bpf_trace.c:1915
 trace_tlb_flush+0xe6/0x110 include/trace/events/tlb.h:38
 flush_tlb_func+0x4c7/0x5b0 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:charge_memcg+0x25a/0x2f0 mm/memcontrol.c:6777
Code: ff 49 8b 86 90 10 00 00 65 4c 01 b8 10 09 00 00 4c 89 f7 48 89 de e8 b5 17 00 00 e8 40 4b bc ff fb 48 c7 44 24 20 0e 36 e0 45 <48> 8b 44 24 18 4a c7 04 28 00 00 00 00 65 48 8b 04 25 28 00 00 00
RSP: 0000:ffffc900031dfbe0 EFLAGS: 00000282
RAX: 9aea2692bd546e00 RBX: ffffea0001352b80 RCX: 9aea2692bd546e00
RDX: dffffc0000000000 RSI: ffffffff8a2b1c00 RDI: ffffffff8a79ec00
RBP: ffffc900031dfc90 R08: ffffffff901b90f7 R09: 1ffffffff203721e
R10: dffffc0000000000 R11: fffffbfff203721f R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88801e940000 R15: 0000000000000001
 __mem_cgroup_charge+0x21/0x80 mm/memcontrol.c:6801
 mem_cgroup_charge include/linux/memcontrol.h:700 [inline]
 do_anonymous_page mm/memory.c:3842 [inline]
 handle_pte_fault mm/memory.c:4648 [inline]
 __handle_mm_fault mm/memory.c:4785 [inline]
 handle_mm_fault+0x23ff/0x4410 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: 0033:0x7ff493dc529f
Code: b0 00 00 00 0f 29 bc 24 c0 00 00 00 64 48 8b 04 25 28 00 00 00 48 89 44 24 18 31 c0 48 8d 84 24 e0 00 00 00 45 31 c0 48 89 e1 <48> 89 44 24 08 48 8d 44 24 20 c7 04 24 18 00 00 00 c7 44 24 04 30
RSP: 002b:00007ff492071ff0 EFLAGS: 00010246
RAX: 00007ff4920720d0 RBX: 0000000000020000 RCX: 00007ff492071ff0
RDX: 00007ff493ec4fef RSI: 0000000000000023 RDI: 00007ff4920720d0
RBP: 00007ff492053000 R08: 0000000000000000 R09: 00007ffd00748457
R10: 0000000000000008 R11: 0000000000000202 R12: 00007ff4920720d0
R13: 000000000000000b R14: 00007ffd00748370 R15: 00007ffd00748458
 </TASK>
----------------
Code disassembly (best guess):
   0:	ff 49 8b             	decl   -0x75(%rcx)
   3:	86 90 10 00 00 65    	xchg   %dl,0x65000010(%rax)
   9:	4c 01 b8 10 09 00 00 	add    %r15,0x910(%rax)
  10:	4c 89 f7             	mov    %r14,%rdi
  13:	48 89 de             	mov    %rbx,%rsi
  16:	e8 b5 17 00 00       	call   0x17d0
  1b:	e8 40 4b bc ff       	call   0xffbc4b60
  20:	fb                   	sti
  21:	48 c7 44 24 20 0e 36 	movq   $0x45e0360e,0x20(%rsp)
  28:	e0 45
* 2a:	48 8b 44 24 18       	mov    0x18(%rsp),%rax <-- trapping instruction
  2f:	4a c7 04 28 00 00 00 	movq   $0x0,(%rax,%r13,1)
  36:	00
  37:	65 48 8b 04 25 28 00 	mov    %gs:0x28,%rax
  3e:	00 00