------------[ cut here ]------------ WARNING: CPU: 1 PID: 10321 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226 Modules linked in: CPU: 1 PID: 10321 Comm: syz.1.1359 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:ffffc90002f5fc70 EFLAGS: 00010006 RAX: ffffffff819ed900 RBX: 0000000000000000 RCX: ffff888020b78000 RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100416f001 R10: ffffed100416f001 R11: 1ffff1100416f000 R12: ffff888020b79788 R13: 00007ffffffff000 R14: ffffc90002f5fce8 R15: 0000000000000000 FS: 00005555680f1500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000760000 CR3: 000000005eaca000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: 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+0x34/0x134 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: 0033:0x7fb050d1ffc8 Code: 48 89 d5 74 28 25 ff 0f 00 00 83 f0 3d 8d 04 c0 89 c5 c1 ed 04 31 c5 69 ed 2d eb d4 27 89 e8 c1 e8 0f 31 c5 81 e5 ff 0f 00 00 <48> 31 d5 80 3d 76 30 37 00 00 0f 84 a8 00 00 00 4c 89 f6 48 8b 0d RSP: 002b:00007ffd249241c0 EFLAGS: 00000206 RAX: 00000000000058fc RBX: 00007fb051bc6720 RCX: 0000000000005474 RDX: ffffffff81a093d3 RSI: ffffffff81a0a159 RDI: 0000000000000004 RBP: 0000000000000ee2 R08: 00007fb051097038 R09: 00007fb051083000 R10: 00007fb0508b0008 R11: 0000000000000004 R12: 0000000000000004 R13: 0000000000000000 R14: ffffffff81a093d3 R15: 0000000000005474