skbuff: skb_under_panic: text:ffffffff8a21a2e8 len:1325591908 put:1325591852 head:ffff88804d6416c0 data:ffff887ffe612a54 tail:0xf8 end:0x180 dev:team0
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:211!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:skb_panic+0x157/0x1d0 net/core/skbuff.c:211
Code: b6 04 01 84 c0 74 04 3c 03 7e 21 41 56 8b 4b 70 45 89 e8 48 c7 c7 e0 b8 e4 8c 41 57 56 48 89 ee 52 4c 89 e2 e8 1a 26 34 f8 90 <0f> 0b 4c 89 4c 24 10 48 89 54 24 08 48 89 34 24 e8 b4 d2 bb f8 4c
RSP: 0018:ffffc90000648730 EFLAGS: 00010282
RAX: 0000000000000096 RBX: ffff8880273c5900 RCX: ffffffff819a4bd9
RDX: 0000000000000000 RSI: ffffffff819aca76 RDI: 0000000000000005
RBP: ffffffff8ce4cca0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000101 R11: 0000000000000000 R12: ffffffff8a21a2e8
R13: 000000004f02ed2c R14: ffff8880581ec120 R15: 0000000000000180
FS: 0000000000000000(0000) GS:ffff8880d68b8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000080 CR3: 000000004f250000 CR4: 0000000000352ef0
Call Trace:
skb_under_panic net/core/skbuff.c:221 [inline]
skb_push+0xca/0xf0 net/core/skbuff.c:2601
ipgre_header+0x68/0x530 net/ipv4/ip_gre.c:895
dev_hard_header include/linux/netdevice.h:3415 [inline]
neigh_connected_output+0x363/0x620 net/core/neighbour.c:1619
neigh_output include/net/neighbour.h:547 [inline]
ip6_finish_output2+0xaee/0x2020 net/ipv6/ip6_output.c:141
__ip6_finish_output+0x3cd/0x1010 net/ipv6/ip6_output.c:215
ip6_finish_output net/ipv6/ip6_output.c:226 [inline]
NF_HOOK_COND include/linux/netfilter.h:307 [inline]
ip6_output+0x1ca/0x3e0 net/ipv6/ip6_output.c:248
dst_output include/net/dst.h:461 [inline]
NF_HOOK include/linux/netfilter.h:318 [inline]
ndisc_send_skb+0xa66/0x1e30 net/ipv6/ndisc.c:512
ndisc_send_rs+0x129/0x670 net/ipv6/ndisc.c:722
addrconf_rs_timer+0x40d/0x840 net/ipv6/addrconf.c:4037
call_timer_fn+0x197/0x620 kernel/time/timer.c:1747
expire_timers kernel/time/timer.c:1798 [inline]
__run_timers+0x6ef/0x960 kernel/time/timer.c:2372
__run_timer_base kernel/time/timer.c:2384 [inline]
__run_timer_base kernel/time/timer.c:2376 [inline]
run_timer_base+0x114/0x190 kernel/time/timer.c:2393
run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2403
handle_softirqs+0x216/0x8e0 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:680
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:82
Code: 0c 62 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d d3 12 16 00 fb f4 4c 09 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
RSP: 0018:ffffc90000187df8 EFLAGS: 00000282
RAX: 000000000010df6d RBX: 0000000000000002 RCX: ffffffff8b93fc29
RDX: 0000000000000000 RSI: ffffffff8de50a38 RDI: ffffffff8c162980
RBP: ffffed1003bd7910 R08: 0000000000000001 R09: ffffed100d4c6655
R10: ffff88806a6332ab R11: 0000000000000000 R12: 0000000000000002
R13: ffff88801debc880 R14: ffffffff90ab5290 R15: 0000000000000000
arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
default_idle+0x13/0x20 arch/x86/kernel/process.c:757
default_idle_call+0x6d/0xb0 kernel/sched/idle.c:122
cpuidle_idle_call kernel/sched/idle.c:190 [inline]
do_idle+0x391/0x510 kernel/sched/idle.c:330
cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:428
start_secondary+0x21d/0x2b0 arch/x86/kernel/smpboot.c:315
common_startup_64+0x13e/0x148
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:skb_panic+0x157/0x1d0 net/core/skbuff.c:211
Code: b6 04 01 84 c0 74 04 3c 03 7e 21 41 56 8b 4b 70 45 89 e8 48 c7 c7 e0 b8 e4 8c 41 57 56 48 89 ee 52 4c 89 e2 e8 1a 26 34 f8 90 <0f> 0b 4c 89 4c 24 10 48 89 54 24 08 48 89 34 24 e8 b4 d2 bb f8 4c
RSP: 0018:ffffc90000648730 EFLAGS: 00010282
RAX: 0000000000000096 RBX: ffff8880273c5900 RCX: ffffffff819a4bd9
RDX: 0000000000000000 RSI: ffffffff819aca76 RDI: 0000000000000005
RBP: ffffffff8ce4cca0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000101 R11: 0000000000000000 R12: ffffffff8a21a2e8
R13: 000000004f02ed2c R14: ffff8880581ec120 R15: 0000000000000180
FS: 0000000000000000(0000) GS:ffff8880d68b8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000080 CR3: 000000004f250000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
0: 0c 62 or $0x62,%al
2: 02 c3 add %bl,%al
4: cc int3
5: cc int3
6: cc int3
7: cc int3
8: 0f 1f 00 nopl (%rax)
b: 90 nop
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
10: 90 nop
11: 90 nop
12: 90 nop
13: 90 nop
14: 90 nop
15: 90 nop
16: 90 nop
17: 90 nop
18: 90 nop
19: 90 nop
1a: 90 nop
1b: f3 0f 1e fa endbr64
1f: eb 07 jmp 0x28
21: 0f 00 2d d3 12 16 00 verw 0x1612d3(%rip) # 0x1612fb
28: fb sti
29: f4 hlt
* 2a: e9 4c 09 03 00 jmp 0x3097b <-- trapping instruction
2f: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1)
36: 00 00 00
39: 66 90 xchg %ax,%ax
3b: 90 nop
3c: 90 nop
3d: 90 nop
3e: 90 nop
3f: 90 nop