------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:2305! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 1302 Comm: aoe_tx0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 RIP: 0010:pskb_expand_head+0x12da/0x1320 net/core/skbuff.c:2305 Code: f8 e9 81 f3 ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c e0 f3 ff ff 4c 89 ff e8 d1 aa c9 f8 e9 d3 f3 ff ff e8 b7 5e 61 f8 90 <0f> 0b e8 af 5e 61 f8 90 0f 0b 44 89 f9 80 e1 07 80 c1 03 38 c1 0f RSP: 0018:ffffc900041ef718 EFLAGS: 00010293 RAX: ffffffff8962f899 RBX: ffff88802883b500 RCX: ffff888027d05b80 RDX: 0000000000000000 RSI: 0000000093a1f430 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffffff8a211340 R12: dffffc0000000000 R13: 0000000000000820 R14: 0000000093a1f430 R15: 0000000000000180 FS: 0000000000000000(0000) GS:ffff8881257ed000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff94a6aaff8 CR3: 000000006bd56000 CR4: 00000000003526f0 Call Trace: ipgre_header+0xd5/0x350 net/ipv4/ip_gre.c:900 dev_hard_header include/linux/netdevice.h:3439 [inline] bpq_xmit+0x53f/0x840 drivers/net/hamradio/bpqether.c:269 __netdev_start_xmit include/linux/netdevice.h:5275 [inline] netdev_start_xmit include/linux/netdevice.h:5284 [inline] xmit_one net/core/dev.c:3865 [inline] dev_hard_start_xmit+0x2cd/0x7f0 net/core/dev.c:3881 __dev_queue_xmit+0x168f/0x3850 net/core/dev.c:4831 dev_queue_xmit include/linux/netdevice.h:3384 [inline] tx+0x6b/0x190 drivers/block/aoe/aoenet.c:62 kthread+0x1e0/0x3f0 drivers/block/aoe/aoecmd.c:1241 kthread+0x726/0x8b0 kernel/kthread.c:463 ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:pskb_expand_head+0x12da/0x1320 net/core/skbuff.c:2305 Code: f8 e9 81 f3 ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c e0 f3 ff ff 4c 89 ff e8 d1 aa c9 f8 e9 d3 f3 ff ff e8 b7 5e 61 f8 90 <0f> 0b e8 af 5e 61 f8 90 0f 0b 44 89 f9 80 e1 07 80 c1 03 38 c1 0f RSP: 0018:ffffc900041ef718 EFLAGS: 00010293 RAX: ffffffff8962f899 RBX: ffff88802883b500 RCX: ffff888027d05b80 RDX: 0000000000000000 RSI: 0000000093a1f430 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffffff8a211340 R12: dffffc0000000000 R13: 0000000000000820 R14: 0000000093a1f430 R15: 0000000000000180 FS: 0000000000000000(0000) GS:ffff8881257ed000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff94a6aaff8 CR3: 000000000e346000 CR4: 00000000003526f0