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: 1 PID: 2283 Comm: syz.8.703 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 9e d0 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: 0000:ffffc90008cb6fb8 EFLAGS: 00010093
RAX: 1ffff110222a3c93 RBX: ffffea0004f54ac0 RCX: ffff88811dd05100
RDX: 0000000000000000 RSI: ffffea0004f54ac0 RDI: ffffc90008c6a000
RBP: ffffc90008cb6fe0 R08: dffffc0000000000 R09: fffffbfff0ee4bb6
R10: 000000008a435d43 R11: 1ffffffff0ee4bb5 R12: dffffc0000000000
R13: ffffffff817125b0 R14: ffff88811151e490 R15: ffff88811151e490
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000508f0000 CR3: 0000000006e0f000 CR4: 00000000003506a0
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+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
 __pagevec_release+0x48/0xe0 mm/swap.c:1060
 pagevec_release include/linux/pagevec.h:71 [inline]
 folio_batch_release include/linux/pagevec.h:135 [inline]
 shmem_undo_range+0x51a/0x1470 mm/shmem.c:955
 shmem_truncate_range mm/shmem.c:1071 [inline]
 shmem_evict_inode+0x242/0xa10 mm/shmem.c:1180
 evict+0x493/0x890 fs/inode.c:705
 iput_final fs/inode.c:1834 [inline]
 iput+0x620/0x670 fs/inode.c:1860
 dentry_unlink_inode+0x33d/0x3f0 fs/dcache.c:405
 __dentry_kill+0x460/0x670 fs/dcache.c:611
 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1
 dput+0x42/0x80 fs/dcache.c:918
 __fput+0x5be/0x8f0 fs/file_table.c:328
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x1db/0x240 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0xa25/0x2650 kernel/exit.c:886
 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
 irqentry_exit_to_user_mode+0x9/0x10 kernel/entry/common.c:316
 irqentry_exit+0x12/0x40 kernel/entry/common.c:419
 exc_page_fault+0x5e/0xb0 arch/x86/mm/fault.c:1525
 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0033:0x7f4ca624f927
Code: Unable to access opcode bytes at 0x7f4ca624f8fd.
RSP: 002b:00007f4ca72ec120 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 000000000000000b RCX: 00007f4ca638eba9
RDX: 00007f4ca72ec140 RSI: 00007f4ca72ec270 RDI: 000000000000000b
RBP: 00007f4ca6411e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f4ca65d6038 R14: 00007f4ca65d5fa0 R15: 00007ffc038a9248
 </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 9e d0 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: 0000:ffffc90008cb6fb8 EFLAGS: 00010093
RAX: 1ffff110222a3c93 RBX: ffffea0004f54ac0 RCX: ffff88811dd05100
RDX: 0000000000000000 RSI: ffffea0004f54ac0 RDI: ffffc90008c6a000
RBP: ffffc90008cb6fe0 R08: dffffc0000000000 R09: fffffbfff0ee4bb6
R10: 000000008a435d43 R11: 1ffffffff0ee4bb5 R12: dffffc0000000000
R13: ffffffff817125b0 R14: ffff88811151e490 R15: ffff88811151e490
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000508f0000 CR3: 0000000006e0f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400