CFI failure at __traceiter_kmem_cache_free+0x3e/0x60 include/trace/events/kmem.h:115 (target: tp_stub_func+0x0/0x10; expected type: 0x00cffe50) invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 19719 Comm: syz.5.5865 Tainted: G W 6.1.145-syzkaller-00002-gc750dc582629 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:__traceiter_kmem_cache_free+0x3e/0x60 include/trace/events/kmem.h:115 Code: e4 74 38 48 89 cb 49 89 d6 49 89 f7 49 8b 04 24 49 8b 7c 24 08 4c 89 fe 4c 89 f2 48 89 d9 41 ba b0 01 30 ff 44 03 50 fc 74 02 <0f> 0b ff d0 49 83 7c 24 18 00 4d 8d 64 24 18 75 d1 31 c0 5b 41 5c RSP: 0018:ffffc90001ae7458 EFLAGS: 00010283 RAX: ffffffff81711ed0 RBX: ffff8881002ab800 RCX: ffff8881002ab800 RDX: ffff88810fd10c00 RSI: ffffffff81ad2e12 RDI: ffffc90001bd7000 RBP: ffffc90001ae7478 R08: dffffc0000000000 R09: ffffed1021c1a05f R10: 00000000a47068bc R11: 1ffff11021c1a05e R12: ffff888113aa1910 R13: ffffea0000000000 R14: ffff88810fd10c00 R15: ffffffff81ad2e12 FS: 00007fe2ae8dd6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f82734a1ef8 CR3: 0000000125066000 CR4: 00000000003506a0 Call Trace: trace_kmem_cache_free include/trace/events/kmem.h:115 [inline] kmem_cache_free+0x285/0x300 mm/slub.c:3710 anon_vma_chain_free mm/rmap.c:150 [inline] unlink_anon_vmas+0x2c2/0x5b0 mm/rmap.c:424 free_pgtables+0x25d/0x5b0 mm/memory.c:429 unmap_region+0x281/0x2e0 mm/mmap.c:2411 do_mas_align_munmap+0xb9b/0x1230 mm/mmap.c:2688 do_mas_munmap+0x241/0x2b0 mm/mmap.c:2746 __mmap_region mm/mmap.c:2794 [inline] mmap_region+0x6d7/0x2140 mm/mmap.c:3025 do_mmap+0x7ae/0xcf0 mm/mmap.c:1486 vm_mmap_pgoff+0x1f5/0x3f0 mm/util.c:525 ksys_mmap_pgoff+0xf6/0x1d0 mm/mmap.c:1532 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:93 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline] __x64_sys_mmap+0xfa/0x110 arch/x86/kernel/sys_x86_64.c:86 x64_sys_call+0x8fd/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:10 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fe2ad98ebe9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe2ae8dd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fe2adbb5fa0 RCX: 00007fe2ad98ebe9 RDX: b635773f06ebbeef RSI: 0000000000b36000 RDI: 0000200000000000 RBP: 00007fe2ada11e19 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe2adbb6038 R14: 00007fe2adbb5fa0 R15: 00007ffe70fd62b8 Modules linked in: