executing program executing program executing program BUG: memory leak unreferenced object 0xffff88810eafce00 (size 240): comm "syz-executor385", pid 3659, jiffies 4294947866 (age 12.870s) hex dump (first 32 bytes): a0 ec 99 0f 81 88 ff ff a0 ec 99 0f 81 88 ff ff ................ 00 00 89 0d 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff83878eab>] napi_skb_cache_get+0x6b/0x90 net/core/skbuff.c:183 [<ffffffff83878fb6>] __alloc_skb+0x96/0x270 net/core/skbuff.c:420 [<ffffffff838791fc>] __napi_alloc_skb+0x6c/0x170 net/core/skbuff.c:575 [<ffffffff838fc17c>] napi_alloc_skb include/linux/skbuff.h:3207 [inline] [<ffffffff838fc17c>] napi_get_frags net/core/gro.c:678 [inline] [<ffffffff838fc17c>] napi_get_frags+0x3c/0x80 net/core/gro.c:673 [<ffffffff838a90c5>] napi_get_frags_check net/core/dev.c:6372 [inline] [<ffffffff838a90c5>] netif_napi_add_weight+0x1b5/0x3c0 net/core/dev.c:6405 [<ffffffff82b40f7f>] lapbeth_new_device drivers/net/wan/lapbether.c:411 [inline] [<ffffffff82b40f7f>] lapbeth_device_event+0x25f/0x580 drivers/net/wan/lapbether.c:456 [<ffffffff81288eed>] notifier_call_chain kernel/notifier.c:87 [inline] [<ffffffff81288eed>] raw_notifier_call_chain+0x5d/0xa0 kernel/notifier.c:455 [<ffffffff8389b8e8>] call_netdevice_notifiers_info+0x78/0xe0 net/core/dev.c:1945 [<ffffffff838b1543>] call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] [<ffffffff838b1543>] call_netdevice_notifiers net/core/dev.c:1997 [inline] [<ffffffff838b1543>] __dev_notify_flags+0x93/0x180 net/core/dev.c:8594 [<ffffffff838b2298>] dev_change_flags+0x68/0x80 net/core/dev.c:8632 [<ffffffff83c1b376>] devinet_ioctl+0xa66/0xd10 net/ipv4/devinet.c:1146 [<ffffffff83c1dde9>] inet_ioctl+0xe9/0x1f0 net/ipv4/af_inet.c:968 [<ffffffff83dbe339>] packet_ioctl+0x69/0x120 net/packet/af_packet.c:4231 [<ffffffff83867d1e>] sock_do_ioctl+0x3e/0x170 net/socket.c:1169 [<ffffffff83869477>] sock_ioctl+0x1c7/0x3d0 net/socket.c:1286 [<ffffffff8160b49c>] vfs_ioctl fs/ioctl.c:51 [inline] [<ffffffff8160b49c>] __do_sys_ioctl fs/ioctl.c:870 [inline] [<ffffffff8160b49c>] __se_sys_ioctl fs/ioctl.c:856 [inline] [<ffffffff8160b49c>] __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:856 BUG: memory leak unreferenced object 0xffff88810eafcc00 (size 240): comm "syz-executor385", pid 3659, jiffies 4294947866 (age 12.870s) hex dump (first 32 bytes): a0 6c 09 0b 81 88 ff ff a0 6c 09 0b 81 88 ff ff .l.......l...... 00 c0 70 10 81 88 ff ff 00 00 00 00 00 00 00 00 ..p............. backtrace: [<ffffffff83878eab>] napi_skb_cache_get+0x6b/0x90 net/core/skbuff.c:183 [<ffffffff83878fb6>] __alloc_skb+0x96/0x270 net/core/skbuff.c:420 [<ffffffff838791fc>] __napi_alloc_skb+0x6c/0x170 net/core/skbuff.c:575 [<ffffffff838fc17c>] napi_alloc_skb include/linux/skbuff.h:3207 [inline] [<ffffffff838fc17c>] napi_get_frags net/core/gro.c:678 [inline] [<ffffffff838fc17c>] napi_get_frags+0x3c/0x80 net/core/gro.c:673 [<ffffffff838a90c5>] napi_get_frags_check net/core/dev.c:6372 [inline] [<ffffffff838a90c5>] netif_napi_add_weight+0x1b5/0x3c0 net/core/dev.c:6405 [<ffffffff82b40f7f>] lapbeth_new_device drivers/net/wan/lapbether.c:411 [inline] [<ffffffff82b40f7f>] lapbeth_device_event+0x25f/0x580 drivers/net/wan/lapbether.c:456 [<ffffffff81288eed>] notifier_call_chain kernel/notifier.c:87 [inline] [<ffffffff81288eed>] raw_notifier_call_chain+0x5d/0xa0 kernel/notifier.c:455 [<ffffffff8389b8e8>] call_netdevice_notifiers_info+0x78/0xe0 net/core/dev.c:1945 [<ffffffff838b1543>] call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] [<ffffffff838b1543>] call_netdevice_notifiers net/core/dev.c:1997 [inline] [<ffffffff838b1543>] __dev_notify_flags+0x93/0x180 net/core/dev.c:8594 [<ffffffff838b2298>] dev_change_flags+0x68/0x80 net/core/dev.c:8632 [<ffffffff83c1b376>] devinet_ioctl+0xa66/0xd10 net/ipv4/devinet.c:1146 [<ffffffff83c1dde9>] inet_ioctl+0xe9/0x1f0 net/ipv4/af_inet.c:968 [<ffffffff83dbe339>] packet_ioctl+0x69/0x120 net/packet/af_packet.c:4231 [<ffffffff83867d1e>] sock_do_ioctl+0x3e/0x170 net/socket.c:1169 [<ffffffff83869477>] sock_ioctl+0x1c7/0x3d0 net/socket.c:1286 [<ffffffff8160b49c>] vfs_ioctl fs/ioctl.c:51 [inline] [<ffffffff8160b49c>] __do_sys_ioctl fs/ioctl.c:870 [inline] [<ffffffff8160b49c>] __se_sys_ioctl fs/ioctl.c:856 [inline] [<ffffffff8160b49c>] __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:856