------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:1727! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 60 Comm: kworker/0:2 Not tainted 5.15.189-syzkaller-00079-ga71626bd56a5 #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+0x11a5/0x11d0 net/core/skbuff.c:1727 Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c de f3 ff ff 4c 89 e7 e8 8c 9a f6 fd e9 d1 f3 ff ff e8 42 22 b8 fd 0f 0b e8 3b 22 b8 fd <0f> 0b 48 8b 4d d0 80 e1 07 80 c1 03 38 c1 0f 8c b2 fa ff ff 48 8b RSP: 0018:ffffc90000907a08 EFLAGS: 00010293 RAX: ffffffff83b08d95 RBX: dffffc0000000000 RCX: ffff888109c062c0 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 RBP: ffffc90000907aa8 R08: dffffc0000000000 R09: ffffed102396b936 R10: ffffed102396b936 R11: 1ffff1102396b935 R12: 0000000000000e80 R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000008080 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000025d000 CR3: 0000000114bc6000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __pskb_pull_tail+0xb1/0x1480 net/core/skbuff.c:2281 __skb_linearize include/linux/skbuff.h:3529 [inline] skb_linearize include/linux/skbuff.h:3541 [inline] sk_psock_skb_ingress_enqueue+0x67/0x410 net/core/skmsg.c:539 sk_psock_skb_ingress net/core/skmsg.c:583 [inline] sk_psock_handle_skb net/core/skmsg.c:621 [inline] sk_psock_backlog+0xa72/0x1230 net/core/skmsg.c:686 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Modules linked in: ---[ end trace cb1e68be824619f4 ]--- RIP: 0010:pskb_expand_head+0x11a5/0x11d0 net/core/skbuff.c:1727 Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c de f3 ff ff 4c 89 e7 e8 8c 9a f6 fd e9 d1 f3 ff ff e8 42 22 b8 fd 0f 0b e8 3b 22 b8 fd <0f> 0b 48 8b 4d d0 80 e1 07 80 c1 03 38 c1 0f 8c b2 fa ff ff 48 8b RSP: 0018:ffffc90000907a08 EFLAGS: 00010293 RAX: ffffffff83b08d95 RBX: dffffc0000000000 RCX: ffff888109c062c0 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 RBP: ffffc90000907aa8 R08: dffffc0000000000 R09: ffffed102396b936 R10: ffffed102396b936 R11: 1ffff1102396b935 R12: 0000000000000e80 R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000008080 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe207bf9710 CR3: 0000000125a74000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600