------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:1703! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4295 Comm: kworker/0:9 Not tainted 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events sk_psock_backlog RIP: 0010:pskb_expand_head+0x10c1/0x10f0 net/core/skbuff.c:1703 Code: 7d ec f9 e9 32 f4 ff ff e8 7c 1a a8 f9 4c 89 ef 48 c7 c6 20 3c fe 8a e8 3d 85 da f9 0f 0b e8 66 1a a8 f9 0f 0b e8 5f 1a a8 f9 <0f> 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c bf fa ff ff 48 8b RSP: 0018:ffffc900031af8f0 EFLAGS: 00010293 RAX: ffffffff87cfa9c1 RBX: 0000000000000ec0 RCX: ffff88807e733b80 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 RBP: dffffc0000000000 R08: dffffc0000000000 R09: ffffed100e9ad26c R10: ffffed100e9ad26c R11: 1ffff1100e9ad26b R12: 0000000000008080 R13: ffff888074d6935c R14: 0000000000000002 R15: 0000000000000a20 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000283000 CR3: 0000000074dfe000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __pskb_pull_tail+0xb6/0x1530 net/core/skbuff.c:2257 __skb_linearize include/linux/skbuff.h:3508 [inline] skb_linearize include/linux/skbuff.h:3520 [inline] sk_psock_skb_ingress_enqueue+0x67/0x690 net/core/skmsg.c:537 sk_psock_skb_ingress net/core/skmsg.c:581 [inline] sk_psock_handle_skb net/core/skmsg.c:619 [inline] sk_psock_backlog+0xaef/0x1330 net/core/skmsg.c:676 process_one_work+0x863/0x1000 kernel/workqueue.c:2310 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Modules linked in: ---[ end trace c9910daf832e466d ]--- RIP: 0010:pskb_expand_head+0x10c1/0x10f0 net/core/skbuff.c:1703 Code: 7d ec f9 e9 32 f4 ff ff e8 7c 1a a8 f9 4c 89 ef 48 c7 c6 20 3c fe 8a e8 3d 85 da f9 0f 0b e8 66 1a a8 f9 0f 0b e8 5f 1a a8 f9 <0f> 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c bf fa ff ff 48 8b RSP: 0018:ffffc900031af8f0 EFLAGS: 00010293 RAX: ffffffff87cfa9c1 RBX: 0000000000000ec0 RCX: ffff88807e733b80 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 RBP: dffffc0000000000 R08: dffffc0000000000 R09: ffffed100e9ad26c R10: ffffed100e9ad26c R11: 1ffff1100e9ad26b R12: 0000000000008080 R13: ffff888074d6935c R14: 0000000000000002 R15: 0000000000000a20 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000283000 CR3: 000000002ab1e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400