2026/07/12 04:07:42 executed programs: 5
BUG: memory leak
unreferenced object 0xffff888127d5f840 (size 96):
  comm "syz-executor", pid 5806, jiffies 4294942188
  hex dump (first 32 bytes):
    00 00 00 01 00 00 00 00 48 f8 d5 27 81 88 ff ff  ........H..'....
    48 f8 d5 27 81 88 ff ff 10 7d da 84 ff ff ff ff  H..'.....}......
  backtrace (crc 99fdb6c8):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4625 [inline]
    slab_alloc_node mm/slub.c:4945 [inline]
    __do_kmalloc_node mm/slub.c:5361 [inline]
    __kmalloc_noprof+0x3bf/0x550 mm/slub.c:5387
    _kmalloc_noprof include/linux/slab.h:973 [inline]
    _kzalloc_noprof include/linux/slab.h:1290 [inline]
    udp_tunnel_nic_alloc net/ipv4/udp_tunnel_nic.c:756 [inline]
    udp_tunnel_nic_register net/ipv4/udp_tunnel_nic.c:833 [inline]
    udp_tunnel_nic_netdevice_event+0x804/0xab0 net/ipv4/udp_tunnel_nic.c:931
    notifier_call_chain+0x59/0x160 kernel/notifier.c:85
    call_netdevice_notifiers_info+0x7d/0xb0 net/core/dev.c:2250
    call_netdevice_notifiers_extack net/core/dev.c:2288 [inline]
    call_netdevice_notifiers net/core/dev.c:2302 [inline]
    register_netdevice+0xc10/0xeb0 net/core/dev.c:11478
    nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1070 [inline]
    nsim_create+0x424/0x5b0 drivers/net/netdevsim/netdev.c:1152
    __nsim_dev_port_add+0x266/0x450 drivers/net/netdevsim/dev.c:1509
    nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1570 [inline]
    nsim_drv_probe+0x79c/0x930 drivers/net/netdevsim/dev.c:1731
    call_driver_probe drivers/base/dd.c:628 [inline]
    really_probe+0x12f/0x3a0 drivers/base/dd.c:706
    __driver_probe_device+0xe9/0x1a0 drivers/base/dd.c:868
    driver_probe_device+0x28/0xf0 drivers/base/dd.c:898
    __device_attach_driver+0x10f/0x170 drivers/base/dd.c:1026
    bus_for_each_drv+0xd2/0x130 drivers/base/bus.c:500
    __device_attach+0xf9/0x290 drivers/base/dd.c:1098
    device_initial_probe+0x6f/0x80 drivers/base/dd.c:1153
    bus_probe_device+0x3e/0xb0 drivers/base/bus.c:620

connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF