------------[ cut here ]------------
WARNING: CPU: 1 PID: 4906 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 1 PID: 4906 Comm: syz.4.126 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:ffffc90002dcfc70 EFLAGS: 00010006
RAX: ffffffff819ed760 RBX: 0000000000000000 RCX: ffff88801fd30000
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1003fa6001
R10: ffffed1003fa6001 R11: 1ffff11003fa6000 R12: ffff88801fd31788
R13: 00007ffffffff000 R14: ffffc90002dcfce8 R15: 0000000000000000
FS:  0000555562306500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000002be93000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 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_f3c4d654356a1293+0x34/0x81c
 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+0x4a/0xc0 arch/x86/kernel/smp.c:243
 asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:684
RIP: 0033:0x7f7a47873cc1
Code: ee 44 89 e7 4c 89 44 24 10 4c 89 54 24 08 e8 26 ed fd ff 4c 8b 54 24 08 4c 8b 44 24 10 84 c0 0f 85 60 ff ff ff 80 7c 24 1f 00 <75> 0d 80 3d be 33 36 00 00 0f 85 70 01 00 00 48 83 7b 50 07 77 08
RSP: 002b:00007ffde4146c10 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f7a4870a720 RCX: 0000000000000000
RDX: 00000000000012f4 RSI: ffffffff814df2f4 RDI: 0000000000000009
RBP: ffffffff814df2f4 R08: 00007f7a47bdb038 R09: 00007f7a47bc7000
R10: 00007f7a47404008 R11: 0000000000000009 R12: 0000000000000009
R13: 0000000000000000 R14: ffffffff814df54c R15: 00000000000000de
 </TASK>