skbuff: skb_under_panic: text:ffffffff89fc3f17 len:-1823789228 put:-1823789252 head:ffff88807a9d5040 data:ffff887fe7522154 tail:0x68 end:0x180 dev:bond0 ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:211! Oops: invalid opcode: 0000 [#2] SMP KASAN PTI CPU: 1 UID: 0 PID: 14710 Comm: syz.4.2288 Tainted: G D 6.15.0-syzkaller-12422-g2c7e4a2663a1 #0 PREEMPT(full) Tainted: [D]=DIE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:skb_panic+0x157/0x160 net/core/skbuff.c:211 Code: c7 e0 a3 91 8c 48 8b 74 24 08 48 8b 54 24 10 8b 0c 24 44 8b 44 24 04 4d 89 e9 50 55 41 57 41 56 e8 9e 36 f5 ff 48 83 c4 20 90 <0f> 0b cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000b176500 EFLAGS: 00010286 RAX: 0000000000000098 RBX: dffffc0000000000 RCX: 7a5ecde29bdce900 RDX: ffffc9000c95b000 RSI: 0000000000009ecd RDI: 0000000000009ece RBP: 0000000000000180 R08: ffffffff8fa101f7 R09: 1ffffffff1f4203e R10: dffffc0000000000 R11: fffffbfff1f4203f R12: ffff88807e33b8d0 R13: ffff88807a9d5040 R14: ffff887fe7522154 R15: 0000000000000068 FS: 00007f4615b4a6c0(0000) GS:ffff888125d55000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555577e0c808 CR3: 000000006edc8000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: skb_under_panic net/core/skbuff.c:221 [inline] skb_push+0xc3/0xe0 net/core/skbuff.c:2602 ipgre_header+0x67/0x290 net/ipv4/ip_gre.c:895 dev_hard_header include/linux/netdevice.h:3407 [inline] arp_create+0x3fa/0x990 net/ipv4/arp.c:578 arp_send_dst net/ipv4/arp.c:314 [inline] arp_send+0xa1/0x130 net/ipv4/arp.c:328 inetdev_send_gratuitous_arp net/ipv4/devinet.c:1572 [inline] inetdev_event+0x1176/0x15b0 net/ipv4/devinet.c:1639 notifier_call_chain+0x1b3/0x3e0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2268 [inline] call_netdevice_notifiers+0x88/0xc0 net/core/dev.c:2282 bond_set_dev_addr+0xd6/0x180 drivers/net/bonding/bond_main.c:1047 bond_enslave+0x935/0x3a20 drivers/net/bonding/bond_main.c:2079 do_set_master+0x530/0x6d0 net/core/rtnetlink.c:2946 do_setlink+0xcf0/0x41c0 net/core/rtnetlink.c:3148 rtnl_changelink net/core/rtnetlink.c:3759 [inline] __rtnl_newlink net/core/rtnetlink.c:3918 [inline] rtnl_newlink+0x160b/0x1c70 net/core/rtnetlink.c:4055 rtnetlink_rcv_msg+0x7cc/0xb70 net/core/rtnetlink.c:6944 netlink_rcv_skb+0x205/0x470 net/netlink/af_netlink.c:2534 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] netlink_unicast+0x758/0x8d0 net/netlink/af_netlink.c:1339 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg+0x219/0x270 net/socket.c:727 ____sys_sendmsg+0x505/0x830 net/socket.c:2566 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620 __sys_sendmsg net/socket.c:2652 [inline] __do_sys_sendmsg net/socket.c:2657 [inline] __se_sys_sendmsg net/socket.c:2655 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2655 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4614d8e929 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:00007f4615b4a038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f4614fb5fa0 RCX: 00007f4614d8e929 RDX: 0000000000000000 RSI: 0000200000000600 RDI: 0000000000000009 RBP: 00007f4614e10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f4614fb5fa0 R15: 00007ffd73ae40e8 Modules linked in: ---[ end trace 0000000000000000 ]---