CFI failure at __traceiter_mm_lru_insertion+0x75/0xc0 include/trace/events/pagemap.h:28 (target: tp_stub_func+0x0/0x10; expected type: 0x1afd09c9) invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 12736 Comm: syz.0.4390 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:__traceiter_mm_lru_insertion+0x75/0xc0 include/trace/events/pagemap.h:28 Code: 49 8d 7e 08 48 89 f8 48 c1 e8 03 42 80 3c 20 00 74 05 e8 be c7 16 00 49 8b 7f 08 48 89 de 41 ba 37 f6 02 e5 45 03 55 fc 74 02 <0f> 0b 41 ff d5 49 83 c6 18 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 RSP: 0018:ffffc90000a37578 EFLAGS: 00010093 RAX: 1ffff1102391b7d3 RBX: ffffea00052442c0 RCX: ffff88810f8bbcc0 RDX: 0000000000000000 RSI: ffffea00052442c0 RDI: ffffc900057ab000 RBP: ffffc90000a375a0 R08: dffffc0000000000 R09: fffffbfff0ee498e R10: 000000008a435d43 R11: 1ffffffff0ee498d R12: dffffc0000000000 R13: ffffffff817123b0 R14: ffff88811c8dbe90 R15: ffff88811c8dbe90 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffdfa50000 CR3: 0000000132a7e000 CR4: 00000000003506b0 DR0: 0010000010000000 DR1: 0000000000000000 DR2: 0010000010000000 DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: trace_mm_lru_insertion include/trace/events/pagemap.h:28 [inline] lru_add_fn+0x616/0x660 mm/swap.c:221 folio_batch_move_lru+0x282/0x470 mm/swap.c:238 lru_add_drain_cpu+0xf8/0x4b0 mm/swap.c:661 lru_add_drain+0x3d/0xc0 mm/swap.c:765 exit_mmap+0x204/0xa40 mm/mmap.c:3348 __mmput+0x93/0x320 kernel/fork.c:1297 mmput+0x4b/0x150 kernel/fork.c:1320 exit_mm kernel/exit.c:568 [inline] do_exit+0x981/0x2650 kernel/exit.c:873 do_group_exit+0x210/0x2d0 kernel/exit.c:1028 get_signal+0x13b5/0x1520 kernel/signal.c:2889 arch_do_signal_or_restart+0xb0/0x1030 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x7a/0xb0 kernel/entry/common.c:174 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f27f0f8ebe9 Code: Unable to access opcode bytes at 0x7f27f0f8ebbf. RSP: 002b:00007f27f1edefe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 RAX: fffffffffffffffc RBX: 00007f27f11b5fa0 RCX: 00007f27f0f8ebe9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000042000000 RBP: 00007f27f1011e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 00007f27f11b6038 R14: 00007f27f11b5fa0 R15: 00007ffd2605aed8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__traceiter_mm_lru_insertion+0x75/0xc0 include/trace/events/pagemap.h:28 Code: 49 8d 7e 08 48 89 f8 48 c1 e8 03 42 80 3c 20 00 74 05 e8 be c7 16 00 49 8b 7f 08 48 89 de 41 ba 37 f6 02 e5 45 03 55 fc 74 02 <0f> 0b 41 ff d5 49 83 c6 18 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 RSP: 0018:ffffc90000a37578 EFLAGS: 00010093 RAX: 1ffff1102391b7d3 RBX: ffffea00052442c0 RCX: ffff88810f8bbcc0 RDX: 0000000000000000 RSI: ffffea00052442c0 RDI: ffffc900057ab000 RBP: ffffc90000a375a0 R08: dffffc0000000000 R09: fffffbfff0ee498e R10: 000000008a435d43 R11: 1ffffffff0ee498d R12: dffffc0000000000 R13: ffffffff817123b0 R14: ffff88811c8dbe90 R15: ffff88811c8dbe90 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffdfa50000 CR3: 0000000132a7e000 CR4: 00000000003506b0 DR0: 0010000010000000 DR1: 0000000000000000 DR2: 0010000010000000 DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600