hash(0x0 sw=0 l4=0) proto=0x88f5 pkttype=0 iif=0 dev name=gtp10 feat=0x0x0000000000005000 skb linear: 00000000: 00 01 02 00 01 00 00 24 00 00 00 00 ------------[ cut here ]------------ gtp10: caps=(0x0000000000005000, 0x0000000000000000) WARNING: CPU: 1 PID: 9663 at net/core/dev.c:3199 skb_warn_bad_offload+0x6d/0xd0 net/core/dev.c:3197 Modules linked in: CPU: 1 PID: 9663 Comm: syz-executor.2 Not tainted 5.10.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:skb_warn_bad_offload+0x6d/0xd0 net/core/dev.c:3197 Code: 8d 93 c8 00 00 00 48 8d 88 70 03 00 00 48 85 c0 48 c7 c0 38 eb d5 83 48 0f 44 c8 4c 89 e6 48 c7 c7 c6 34 55 84 e8 d9 12 89 00 <0f> 0b 5b 5d 41 5c c3 80 3b 00 49 c7 c4 0c 09 40 84 74 ad be 25 00 RSP: 0018:ffffc900000bcd70 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff888116ed1000 RCX: 0000000000000302 RDX: 0000000000000302 RSI: ffffffff8450d7d6 RDI: 00000000ffffffff RBP: ffff88810bd62900 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888116ed1000 R13: ffffc900000bce0b R14: 0000000000000000 R15: ffff88810bd62900 FS: 00007f160625f700(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd8915e7db8 CR3: 0000000117db9001 CR4: 00000000001706e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gso_features_check net/core/dev.c:3504 [inline] netif_skb_features+0x233/0x290 net/core/dev.c:3537 validate_xmit_skb+0x1c/0x310 net/core/dev.c:3632 __dev_queue_xmit+0x814/0xd90 net/core/dev.c:4142 mrp_queue_xmit net/802/mrp.c:351 [inline] mrp_join_timer+0x48/0x70 net/802/mrp.c:595 call_timer_fn+0xa5/0x340 kernel/time/timer.c:1417 expire_timers kernel/time/timer.c:1462 [inline] __run_timers kernel/time/timer.c:1731 [inline] run_timer_softirq+0x233/0x5f0 kernel/time/timer.c:1744 __do_softirq+0xf6/0x5e8 kernel/softirq.c:343 asm_call_irq_on_stack+0xf/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x7c/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:226 [inline] __irq_exit_rcu kernel/softirq.c:420 [inline] irq_exit_rcu+0xfa/0x120 kernel/softirq.c:432 sysvec_apic_timer_interrupt+0x57/0xf0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:653 [inline] RIP: 0010:console_unlock+0x4fc/0x650 kernel/printk/printk.c:2560 Code: 60 e9 92 84 e8 75 fe fe ff e8 00 20 00 00 4d 85 ff 0f 85 c3 00 00 00 48 83 3d f7 18 68 03 00 0f 84 30 01 00 00 4c 89 f7 57 9d <0f> 1f 44 00 00 8b 44 24 14 85 c0 0f 84 a6 fb ff ff 31 d2 be 03 0a RSP: 0018:ffffc900058e7468 EFLAGS: 00000286 RAX: 000000000000034b RBX: 0000000000000000 RCX: 0000000000000006 RDX: 0000000000000000 RSI: ffffffff843bdcf3 RDI: 0000000000000286 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff81272508 R13: ffffffff84fe6a48 R14: 0000000000000286 R15: 0000000000000200 vprintk_emit+0x11a/0x300 kernel/printk/printk.c:2074 printk+0x53/0x6a kernel/printk/printk.c:2122 addrconf_notify+0xbe0/0xbf0 net/ipv6/addrconf.c:3568 notifier_call_chain+0x2f/0x90 kernel/notifier.c:83 __dev_notify_flags+0xe3/0xf0 net/core/dev.c:8530 rtnl_configure_link+0x83/0x90 net/core/rtnetlink.c:3135 __rtnl_newlink+0x685/0x8b0 net/core/rtnetlink.c:3462 rtnl_newlink+0x3e/0x60 net/core/rtnetlink.c:3502 rtnetlink_rcv_msg+0x187/0x4c0 net/core/rtnetlink.c:5564 netlink_rcv_skb+0x49/0xf0 net/netlink/af_netlink.c:2494 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x19a/0x270 net/netlink/af_netlink.c:1330 netlink_sendmsg+0x276/0x4c0 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0x2b/0x40 net/socket.c:672 ____sys_sendmsg+0x1ed/0x230 net/socket.c:2345 ___sys_sendmsg+0x77/0xb0 net/socket.c:2399 __sys_sendmsg+0x52/0xa0 net/socket.c:2432 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45d5f9 Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f160625ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000002cf00 RCX: 000000000045d5f9 RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000005 RBP: 000000000118d0c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118d08c R13: 00007fffce1eb6cf R14: 00007f160625f9c0 R15: 000000000118d08c