skbuff: skb_under_panic: text:ffffffff86d0b4c7 len:115 put:19 head:ffff88809296a000 data:ffff888092969ffd tail:0x70 end:0x6c0 dev:bond0
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:109!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.9.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:109
Code: fb 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 a0 b4 fe 88 ff 74 24 10 ff 74 24 20 e8 94 2f 25 fb <0f> 0b e8 4e d3 3b fb 4c 8b 64 24 18 e8 a4 de 7b fb 48 c7 c1 a0 c0
RSP: 0018:ffffc900000078c8 EFLAGS: 00010282
RAX: 0000000000000087 RBX: ffff888097075e80 RCX: 0000000000000000
RDX: ffffffff89a99dc0 RSI: ffffffff815dafc7 RDI: fffff52000000f0b
RBP: ffffffff88fec0a0 R08: 0000000000000087 R09: ffff8880ae6318e7
R10: 0000000000000000 R11: 00000000000760e8 R12: ffffffff86d0b4c7
R13: 0000000000000013 R14: ffff888094534000 R15: 00000000000006c0
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020003010 CR3: 000000008fc59000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 skb_under_panic net/core/skbuff.c:119 [inline]
 skb_push.cold+0x24/0x24 net/core/skbuff.c:1884
 ipgre_header+0x67/0x3c0 net/ipv4/ip_gre.c:840
 dev_hard_header include/linux/netdevice.h:3049 [inline]
 neigh_connected_output+0x241/0x370 net/core/neighbour.c:1513
 neigh_output include/net/neighbour.h:509 [inline]
 ip6_finish_output2+0x8b6/0x17b0 net/ipv6/ip6_output.c:117
 __ip6_finish_output net/ipv6/ip6_output.c:143 [inline]
 __ip6_finish_output+0x447/0xab0 net/ipv6/ip6_output.c:128
 ip6_finish_output+0x34/0x1f0 net/ipv6/ip6_output.c:153
 NF_HOOK_COND include/linux/netfilter.h:290 [inline]
 ip6_output+0x1db/0x520 net/ipv6/ip6_output.c:176
 dst_output include/net/dst.h:443 [inline]
 NF_HOOK include/linux/netfilter.h:301 [inline]
 NF_HOOK include/linux/netfilter.h:295 [inline]
 mld_sendpack+0x92a/0xdb0 net/ipv6/mcast.c:1679
 mld_send_cr net/ipv6/mcast.c:1975 [inline]
 mld_ifc_timer_expire+0x60a/0xf10 net/ipv6/mcast.c:2474
 call_timer_fn+0x1ac/0x760 kernel/time/timer.c:1413
 expire_timers kernel/time/timer.c:1458 [inline]
 __run_timers.part.0+0x67c/0xaa0 kernel/time/timer.c:1755
 __run_timers kernel/time/timer.c:1736 [inline]
 run_timer_softirq+0xae/0x1a0 kernel/time/timer.c:1768
 __do_softirq+0x2de/0xa24 kernel/softirq.c:298
 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline]
 do_softirq_own_stack+0x9d/0xd0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:393 [inline]
 __irq_exit_rcu kernel/softirq.c:423 [inline]
 irq_exit_rcu+0x1f3/0x230 kernel/softirq.c:435
 sysvec_apic_timer_interrupt+0x51/0xf0 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581
RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61
Code: ff 4c 89 ef e8 73 9f be f9 e9 8e fe ff ff 48 89 df e8 66 9f be f9 eb 8a cc cc cc cc e9 07 00 00 00 0f 00 2d c4 01 53 00 fb f4 <c3> 90 e9 07 00 00 00 0f 00 2d b4 01 53 00 f4 c3 cc cc 55 53 e8 c9
RSP: 0018:ffffffff89a07ce0 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff1563bd1
RDX: ffffffff89a99dc0 RSI: ffffffff87f5ba38 RDI: ffffffff87f5ba0e
RBP: ffff8880a6282864 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880a6282864
R13: 1ffffffff1340fa6 R14: ffff8880a6282865 R15: 0000000000000001
 arch_safe_halt arch/x86/include/asm/paravirt.h:150 [inline]
 acpi_safe_halt+0x8d/0x110 drivers/acpi/processor_idle.c:111
 acpi_idle_do_entry+0x15c/0x1b0 drivers/acpi/processor_idle.c:524
 acpi_idle_enter+0x403/0xac0 drivers/acpi/processor_idle.c:650
 cpuidle_enter_state+0xff/0x960 drivers/cpuidle/cpuidle.c:235
 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:346
 call_cpuidle kernel/sched/idle.c:126 [inline]
 cpuidle_idle_call kernel/sched/idle.c:214 [inline]
 do_idle+0x431/0x6d0 kernel/sched/idle.c:276
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:372
 start_kernel+0x449/0x46a init/main.c:1048
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243
Modules linked in:
---[ end trace 1d2aa6961e4af42a ]---
RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:109
Code: fb 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 a0 b4 fe 88 ff 74 24 10 ff 74 24 20 e8 94 2f 25 fb <0f> 0b e8 4e d3 3b fb 4c 8b 64 24 18 e8 a4 de 7b fb 48 c7 c1 a0 c0
RSP: 0018:ffffc900000078c8 EFLAGS: 00010282
RAX: 0000000000000087 RBX: ffff888097075e80 RCX: 0000000000000000
RDX: ffffffff89a99dc0 RSI: ffffffff815dafc7 RDI: fffff52000000f0b
RBP: ffffffff88fec0a0 R08: 0000000000000087 R09: ffff8880ae6318e7
R10: 0000000000000000 R11: 00000000000760e8 R12: ffffffff86d0b4c7
R13: 0000000000000013 R14: ffff888094534000 R15: 00000000000006c0
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020003010 CR3: 000000008fc59000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400