------------[ cut here ]------------
WARNING: CPU: 1 PID: 6978 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 1 PID: 6978 Comm: syz.2.739 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 8d f6 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 10 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:ffffc90000dd0d40 EFLAGS: 00010006
RAX: ffffffff819ed900 RBX: 0000000000000008 RCX: ffff888026a29dc0
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100f249402
R10: ffffed100f249402 R11: 1ffff1100f249401 R12: ffff888026a2b548
R13: dffffc0000000000 R14: ffffc90000dd0da8 R15: 0000000000000000
FS:  00007fd9769316c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd978661830 CR3: 0000000078b0b000 CR4: 00000000003506e0
DR0: 0000200000000300 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_87c4e24aeb87061a+0x5b/0x5e4
 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:perf_swevent_get_recursion_context+0x4e/0x150 kernel/events/core.c:9742
Code: 07 0f 87 d6 00 00 00 e8 90 f6 e0 ff 49 bf 00 00 00 00 00 fc ff df 48 8d 1c dd 20 c8 bc 8b 48 89 d8 48 c1 e8 03 42 80 3c 38 00 <74> 08 48 89 df e8 88 5e 25 00 4c 8b 33 65 8b 05 16 9a 6b 7e 89 c3
RSP: 0000:ffffc900030ef4d0 EFLAGS: 00000246
RAX: 1ffffffff1779905 RBX: ffffffff8bbcc828 RCX: ffff888026a29dc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000008
RBP: 0000000000000001 R08: dffffc0000000000 R09: fffffbfff1ad33a6
R10: fffffbfff1ad33a6 R11: 1ffffffff1ad33a5 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffc900030ef5a0 R15: dffffc0000000000
 perf_trace_buf_alloc+0x54/0x300 kernel/trace/trace_event_perf.c:414
 perf_trace_lock+0x192/0x370 include/trace/events/lock.h:39
 trace_lock_release include/trace/events/lock.h:58 [inline]
 lock_release+0x823/0x870 kernel/locking/lockdep.c:5634
 rcu_read_unlock include/linux/rcupdate.h:773 [inline]
 BPF_PROG_RUN_ARRAY include/linux/bpf.h:1444 [inline]
 trace_call_bpf+0x4f8/0x5a0 kernel/trace/bpf_trace.c:127
 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:10016
 perf_trace_lock+0x2ec/0x370 include/trace/events/lock.h:39
 trace_lock_release include/trace/events/lock.h:58 [inline]
 lock_release+0x823/0x870 kernel/locking/lockdep.c:5634
 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+0x257d/0x43b0 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: 0033:0x7fd978661830
Code: 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 b0 ff ff ff 64 48 03 04 25 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <48> c7 c0 50 fe ff ff 48 c7 c1 c0 ff ff ff 64 48 8b 00 48 8b 00 48
RSP: 002b:00007fd976931118 EFLAGS: 00010246
RAX: fffffffffffffeb8 RBX: 00007fd9769316c0 RCX: 00007fd9786fee89
RDX: 00007fd976931d78 RSI: 0000000000000058 RDI: 00007fd9769316c0
RBP: 0000000000000000 R08: 00007fd9769316c0 R09: 00007ffd683ec4c7
R10: 0000000000000008 R11: 0000000000000206 R12: ffffffffffffffa8
R13: 000000000000000b R14: 00007ffd683ec3e0 R15: 00007ffd683ec4c8
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	0f 87 d6 00 00 00    	ja     0xdc
   6:	e8 90 f6 e0 ff       	call   0xffe0f69b
   b:	49 bf 00 00 00 00 00 	movabs $0xdffffc0000000000,%r15
  12:	fc ff df
  15:	48 8d 1c dd 20 c8 bc 	lea    -0x744337e0(,%rbx,8),%rbx
  1c:	8b
  1d:	48 89 d8             	mov    %rbx,%rax
  20:	48 c1 e8 03          	shr    $0x3,%rax
  24:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
* 29:	74 08                	je     0x33 <-- trapping instruction
  2b:	48 89 df             	mov    %rbx,%rdi
  2e:	e8 88 5e 25 00       	call   0x255ebb
  33:	4c 8b 33             	mov    (%rbx),%r14
  36:	65 8b 05 16 9a 6b 7e 	mov    %gs:0x7e6b9a16(%rip),%eax        # 0x7e6b9a53
  3d:	89 c3                	mov    %eax,%ebx