bond0: (slave ip6gre0): Error -95 calling set_mac_address skbuff: skb_under_panic: text:ffff8000894613ac len:44 put:40 head:ffff0000ce810000 data:ffff0000ce80ffea tail:0x16 end:0x140 dev:bond0 ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:192! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 7434 Comm: syz-executor.5 Not tainted 6.5.0-rc4-syzkaller-g86d7896480b0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : skb_panic net/core/skbuff.c:188 [inline] pc : skb_under_panic+0x13c/0x140 net/core/skbuff.c:202 lr : skb_panic net/core/skbuff.c:188 [inline] lr : skb_under_panic+0x13c/0x140 net/core/skbuff.c:202 sp : ffff8000973b6aa0 x29: ffff8000973b6ab0 x28: ffff8000973b6ba0 x27: dfff800000000000 x26: ffff0000c6af5b50 x25: 0000000000000016 x24: ffff0000ce80ffea x23: ffff0000ce810000 x22: 000000000000002c x21: 0000000000000140 x20: 0000000000000028 x19: ffff8000894613ac x18: ffff8000973b6100 x17: 0000000000000000 x16: ffff80008a4bc830 x15: 0000000000000001 x14: 1ffff00012e76c74 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000040000 x10: 000000000003ffff x9 : d51dacd4b9e2d900 x8 : d51dacd4b9e2d900 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000973b63b8 x4 : ffff80008e17ef80 x3 : ffff800080364c14 x2 : 0000000000000001 x1 : 0000000000000201 x0 : 0000000000000086 Call trace: skb_panic net/core/skbuff.c:188 [inline] skb_under_panic+0x13c/0x140 net/core/skbuff.c:202 skb_push+0xf0/0x108 net/core/skbuff.c:2395 ip6gre_header+0xbc/0x738 net/ipv6/ip6_gre.c:1384 dev_hard_header include/linux/netdevice.h:3144 [inline] lapbeth_data_transmit+0x1c4/0x298 drivers/net/wan/lapbether.c:257 lapb_data_transmit+0x8c/0xb0 net/lapb/lapb_iface.c:447 lapb_transmit_buffer+0x178/0x204 net/lapb/lapb_out.c:149 lapb_send_control+0x220/0x320 net/lapb/lapb_subr.c:251 __lapb_disconnect_request+0x9c/0x17c net/lapb/lapb_iface.c:326 lapb_device_event+0x288/0x4e0 net/lapb/lapb_iface.c:492 notifier_call_chain+0x1a4/0x510 kernel/notifier.c:93 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:461 call_netdevice_notifiers_info net/core/dev.c:1962 [inline] call_netdevice_notifiers_extack net/core/dev.c:2000 [inline] call_netdevice_notifiers net/core/dev.c:2014 [inline] __dev_close_many+0x1b8/0x3c4 net/core/dev.c:1500 dev_close_many+0x1e0/0x470 net/core/dev.c:1551 dev_close+0x174/0x250 net/core/dev.c:1577 lapbeth_device_event+0x2e4/0x958 drivers/net/wan/lapbether.c:466 notifier_call_chain+0x1a4/0x510 kernel/notifier.c:93 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:461 call_netdevice_notifiers_info net/core/dev.c:1962 [inline] call_netdevice_notifiers_extack net/core/dev.c:2000 [inline] call_netdevice_notifiers net/core/dev.c:2014 [inline] __dev_close_many+0x1b8/0x3c4 net/core/dev.c:1500 dev_close_many+0x1e0/0x470 net/core/dev.c:1551 dev_close+0x174/0x250 net/core/dev.c:1577 bond_enslave+0x2298/0x30cc drivers/net/bonding/bond_main.c:2331 bond_do_ioctl+0x268/0xc64 drivers/net/bonding/bond_main.c:4576 dev_ifsioc+0x790/0xa10 dev_ioctl+0x4d8/0xd34 net/core/dev_ioctl.c:605 sock_do_ioctl+0x1dc/0x2dc net/socket.c:1204 sock_ioctl+0x4ec/0x858 net/socket.c:1307 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x244 arch/arm64/kernel/syscall.c:139 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:188 el0_svc+0x4c/0x160 arch/arm64/kernel/entry-common.c:647 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:665 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 Code: aa1803e6 aa1903e7 a90023f5 9477ea27 (d4210000) ---[ end trace 0000000000000000 ]---