CFI failure at __traceiter_kfree+0x34/0x50 include/trace/events/kmem.h:95 (target: tp_stub_func+0x0/0x10; expected type: 0x8682d211)
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1599 Comm: syz.3.376 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__traceiter_kfree+0x34/0x50 include/trace/events/kmem.h:95
Code: 8b 3d 70 5f ca 05 4d 85 ff 74 2e 48 89 d3 49 89 f6 49 8b 07 49 8b 7f 08 4c 89 f6 48 89 da 41 ba ef 2d 7d 79 44 03 50 fc 74 02 <0f> 0b ff d0 49 83 7f 18 00 4d 8d 7f 18 75 d8 31 c0 5b 41 5e 41 5f
RSP: 0018:ffffc90001137630 EFLAGS: 00010213
RAX: ffffffff81713c50 RBX: ffff8881324bbc00 RCX: 0000000000080000
RDX: ffff8881324bbc00 RSI: ffffffff81a39655 RDI: ffffc9000dc11000
RBP: ffffc90001137648 R08: ffffc90000a4d000 R09: 0000000000000003
R10: 000000001ebd94fb R11: 1ffff92000226ea4 R12: ffff8881096dc52c
R13: dffffc0000000000 R14: ffffffff81a39655 R15: ffff8881100b2910
FS:  00007fe29cfc36c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6edac59f90 CR3: 000000012012f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 trace_kfree include/trace/events/kmem.h:95 [inline]
 kfree+0xc9/0xf0 mm/slab_common.c:977
 kvfree+0x35/0x40 mm/util.c:639
 netif_free_tx_queues net/core/dev.c:10019 [inline]
 free_netdev+0xa7/0x490 net/core/dev.c:10824
 netdev_run_todo+0xaa4/0xc00 net/core/dev.c:10476
 rtnl_unlock+0xe/0x10 net/core/rtnetlink.c:147
 ip_tunnel_delete_nets+0x34b/0x390 net/ipv4/ip_tunnel.c:1154
 vti_exit_batch_net+0x22/0x30 net/ipv4/ip_vti.c:515
 ops_exit_list net/core/net_namespace.c:177 [inline]
 setup_net+0x8cb/0xcb0 net/core/net_namespace.c:358
 copy_net_ns+0x355/0x5c0 net/core/net_namespace.c:481
 create_new_namespaces+0x3a2/0x660 kernel/nsproxy.c:110
 copy_namespaces+0x1d1/0x220 kernel/nsproxy.c:178
 copy_process+0x12e0/0x3480 kernel/fork.c:2462
 kernel_clone+0x23a/0x810 kernel/fork.c:2874
 __do_sys_clone kernel/fork.c:3017 [inline]
 __se_sys_clone kernel/fork.c:3001 [inline]
 __x64_sys_clone+0x168/0x1b0 kernel/fork.c:3001
 x64_sys_call+0x990/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:57
 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: 0033:0x7fe29c18efc9
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:00007fe29cfc2fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fe29c3e5fa0 RCX: 00007fe29c18efc9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000630c1000
RBP: 00007fe29c211f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fe29c3e6038 R14: 00007fe29c3e5fa0 R15: 00007ffe4e1664b8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__traceiter_kfree+0x34/0x50 include/trace/events/kmem.h:95
Code: 8b 3d 70 5f ca 05 4d 85 ff 74 2e 48 89 d3 49 89 f6 49 8b 07 49 8b 7f 08 4c 89 f6 48 89 da 41 ba ef 2d 7d 79 44 03 50 fc 74 02 <0f> 0b ff d0 49 83 7f 18 00 4d 8d 7f 18 75 d8 31 c0 5b 41 5e 41 5f