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WARNING: CPU: 0 PID: 4867 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 4867 Comm: syz.3.244 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:ffffc90000007cf8 EFLAGS: 00010006
RAX: ffffffff819ed760 RBX: 0000000000000008 RCX: ffff888022720000
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed10044e4001
R10: ffffed10044e4001 R11: 1ffff110044e4000 R12: ffff888022721788
R13: 00007ffffffff000 R14: ffffc90000007d68 R15: 0000000000000000
FS:  00007fb456c576c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb456c56f98 CR3: 000000005fabf000 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_compat kernel/trace/bpf_trace.c:281 [inline]
 bpf_probe_read_compat+0xdd/0x170 kernel/trace/bpf_trace.c:277
 bpf_prog_abe03b8274833537+0x38/0x364
 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
 __traceiter_tlb_flush+0x69/0xb0 include/trace/events/tlb.h:38
 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:refill_stock+0x323/0x520 mm/memcontrol.c:2283
Code: 00 9c 8f 44 24 60 f6 44 24 61 02 48 bb 00 00 00 00 00 fc ff df 75 4e 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <48> 8b 44 24 38 48 c7 04 18 00 00 00 00 66 c7 44 18 09 00 00 c6 44
RSP: 0000:ffffc9000306f8e0 EFLAGS: 00000206
RAX: ca681abd7f5fbd00 RBX: dffffc0000000000 RCX: ca681abd7f5fbd00
RDX: dffffc0000000000 RSI: ffffffff8a0b1820 RDI: ffffffff8a59a480
RBP: ffffc9000306f9d0 R08: dffffc0000000000 R09: fffffbfff1ff781f
R10: fffffbfff1ff781f R11: 1ffffffff1ff781e R12: ffff888078998054
R13: 1ffff11017206c93 R14: 0000000000000a06 R15: ffff8880b9036498
 try_charge_memcg+0x1092/0x14a0 mm/memcontrol.c:2726
 try_charge mm/memcontrol.c:2779 [inline]
 charge_memcg+0x100/0x2e0 mm/memcontrol.c:6765
 __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+0x23c3/0x43c0 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: 0033:0x7fb4574a71ee
Code: f6 31 c0 e8 74 f2 13 00 48 81 c4 90 00 00 00 48 98 5b c3 66 0f 1f 84 00 00 00 00 00 41 54 55 53 48 89 fb 48 81 ec d0 00 00 00 <48> 89 74 24 28 48 89 54 24 30 48 89 4c 24 38 4c 89 44 24 40 4c 89
RSP: 002b:00007fb456c56f70 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 00007fb45766c167 RCX: 00007fb45766d5fd
RDX: 0000000000003864 RSI: 0000000000000000 RDI: 00007fb45766c167
RBP: 00007fb45782efa0 R08: 000000000000004b R09: 00287883020e53ea
R10: 00000028740aa408 R11: 00000000000035a8 R12: 0000000000000001
R13: 00007fb45782f038 R14: 00007fb45782efa0 R15: 00007fff4bfef098
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	9c                   	pushf
   1:	8f 44 24 60          	pop    0x60(%rsp)
   5:	f6 44 24 61 02       	testb  $0x2,0x61(%rsp)
   a:	48 bb 00 00 00 00 00 	movabs $0xdffffc0000000000,%rbx
  11:	fc ff df
  14:	75 4e                	jne    0x64
  16:	41 f7 c6 00 02 00 00 	test   $0x200,%r14d
  1d:	74 01                	je     0x20
  1f:	fb                   	sti
  20:	48 c7 44 24 40 0e 36 	movq   $0x45e0360e,0x40(%rsp)
  27:	e0 45
* 29:	48 8b 44 24 38       	mov    0x38(%rsp),%rax <-- trapping instruction
  2e:	48 c7 04 18 00 00 00 	movq   $0x0,(%rax,%rbx,1)
  35:	00
  36:	66 c7 44 18 09 00 00 	movw   $0x0,0x9(%rax,%rbx,1)
  3d:	c6                   	.byte 0xc6
  3e:	44                   	rex.R