RAX: 0000000000000000 RBX: 00007fef6a3d5fa0 RCX: 00007fef6a19a339
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007fef6b03a090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fef6a3d6038 R14: 00007fef6a3d5fa0 R15: 00007ffd0dd88628
 </TASK>
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: 542 Comm: syz.6.19 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
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 23 17 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:ffffc90001ba7598 EFLAGS: 00010093
RAX: 1ffff1102381cff3 RBX: ffffea00049c95c0 RCX: ffff8881120d1440
RDX: 0000000000000000 RSI: ffffea00049c95c0 RDI: ffffc900006d3000
RBP: ffffc90001ba75c0 R08: ffffffff8792a52f R09: 1ffffffff0f254a5
R10: 000000008a435d43 R11: fffffbfff0f254a6 R12: dffffc0000000000
R13: ffffffff81728c70 R14: ffff88811c0e7f90 R15: ffff88811c0e7f90
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32963fff CR3: 0000000111e31000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 trace_mm_lru_insertion include/trace/events/pagemap.h:28 [inline]
 lru_add_fn+0x620/0x670 mm/swap.c:224
 folio_batch_move_lru+0x270/0x470 mm/swap.c:241
 lru_add_drain_cpu+0xf8/0x4e0 mm/swap.c:666
 lru_add_drain+0x3d/0xc0 mm/swap.c:770
 exit_mmap+0x237/0xc10 mm/mmap.c:3365
 __mmput+0x93/0x360 kernel/fork.c:1309
 mmput+0x4b/0x150 kernel/fork.c:1333
 exit_mm kernel/exit.c:568 [inline]
 do_exit+0x994/0x2660 kernel/exit.c:873
 do_group_exit+0x210/0x2d0 kernel/exit.c:1028
 get_signal+0x13b5/0x1520 kernel/signal.c:2891
 arch_do_signal_or_restart+0xd1/0x1140 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x7a/0xb0 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0x87/0xd0 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:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fef6a19a339
Code: Unable to access opcode bytes at 0x7fef6a19a30f.
RSP: 002b:00007fef6b03a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 00007fef6a3d5fa0 RCX: 00007fef6a19a339
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007fef6b03a090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fef6a3d6038 R14: 00007fef6a3d5fa0 R15: 00007ffd0dd88628
 </TASK>
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 23 17 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:ffffc90001ba7598 EFLAGS: 00010093
RAX: 1ffff1102381cff3 RBX: ffffea00049c95c0 RCX: ffff8881120d1440
RDX: 0000000000000000 RSI: ffffea00049c95c0 RDI: ffffc900006d3000
RBP: ffffc90001ba75c0 R08: ffffffff8792a52f R09: 1ffffffff0f254a5
R10: 000000008a435d43 R11: fffffbfff0f254a6 R12: dffffc0000000000
R13: ffffffff81728c70 R14: ffff88811c0e7f90 R15: ffff88811c0e7f90
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32963fff CR3: 0000000111e31000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400