skbuff: skb_under_panic: text:ffffffff8a180258 len:112 put:40 head:ffff88807ebf9d40 data:ffff88807ebf9d28 tail:0x58 end:0x180 dev:team0
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:213!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: usb_hub_wq hub_event
RIP: 0010:skb_panic+0x157/0x160 net/core/skbuff.c:213
Code: c7 20 6b 6e 8c 48 8b 74 24 08 48 8b 54 24 10 8b 0c 24 44 8b 44 24 04 4d 89 e9 50 55 41 57 41 56 e8 6e 94 f5 ff 48 83 c4 20 90 <0f> 0b cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900000074a0 EFLAGS: 00010286
RAX: 0000000000000087 RBX: dffffc0000000000 RCX: fa9a2c76207cfb00
RDX: 0000000000000100 RSI: 0000000000000101 RDI: 0000000000000000
RBP: 0000000000000180 R08: ffffffff8f80a077 R09: 1ffffffff1f0140e
R10: dffffc0000000000 R11: fffffbfff1f0140f R12: ffff8880318b4010
R13: ffff88807ebf9d40 R14: ffff88807ebf9d28 R15: 0000000000000058
FS: 0000000000000000(0000) GS:ffff8881260a6000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000f7486288 CR3: 000000007508c000 CR4: 00000000003526f0
Call Trace:
skb_under_panic net/core/skbuff.c:223 [inline]
skb_push+0xc3/0xe0 net/core/skbuff.c:2641
ip6gre_header+0xc8/0x790 net/ipv6/ip6_gre.c:1371
dev_hard_header include/linux/netdevice.h:3436 [inline]
neigh_connected_output+0x286/0x460 net/core/neighbour.c:1618
neigh_output include/net/neighbour.h:556 [inline]
ip6_finish_output2+0xfb3/0x1480 net/ipv6/ip6_output.c:136
NF_HOOK_COND include/linux/netfilter.h:307 [inline]
ip6_output+0x340/0x550 net/ipv6/ip6_output.c:247
NF_HOOK include/linux/netfilter.h:318 [inline]
ndisc_send_skb+0xbce/0x1510 net/ipv6/ndisc.c:512
addrconf_rs_timer+0x369/0x670 net/ipv6/addrconf.c:4037
call_timer_fn+0x16e/0x590 kernel/time/timer.c:1748
expire_timers kernel/time/timer.c:1799 [inline]
__run_timers kernel/time/timer.c:2373 [inline]
__run_timer_base+0x61a/0x860 kernel/time/timer.c:2385
run_timer_base kernel/time/timer.c:2394 [inline]
run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2404
handle_softirqs+0x27d/0x850 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:console_flush_one_record arch/x86/include/asm/irqflags.h:-1 [inline]
RIP: 0010:console_flush_all+0x846/0xb60 kernel/printk/printk.c:3289
Code: ff ff e8 1d 0e 20 00 90 0f 0b 90 e9 53 fc ff ff e8 0f 0e 20 00 e8 5a c5 a8 09 48 85 db 74 c0 e8 00 0e 20 00 fb 48 8b 5c 24 10 <48> 8b 44 24 20 42 80 3c 20 00 4c 8b 74 24 18 74 08 4c 89 f7 e8 f1
RSP: 0018:ffffc900000f6580 EFLAGS: 00000283
RAX: ffffffff81a13c60 RBX: ffffc900000f6720 RCX: 0000000000100000
RDX: ffffc9001a868000 RSI: 000000000002d231 RDI: 000000000002d232
RBP: ffffc900000f66d0 R08: ffffffff8f80a077 R09: 1ffffffff1f0140e
R10: dffffc0000000000 R11: fffffbfff1f0140f R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000000 R15: ffffffff8e783560
__console_flush_and_unlock kernel/printk/printk.c:3319 [inline]
console_unlock+0xbb/0x190 kernel/printk/printk.c:3359
vprintk_emit+0x4f8/0x5f0 kernel/printk/printk.c:2426
_printk+0xcf/0x120 kernel/printk/printk.c:2451
dvb_register_adapter+0x243/0xb70 drivers/media/dvb-core/dvbdev.c:922
dvb_usb_adapter_dvb_init+0xf3/0xd80 drivers/media/usb/dvb-usb/dvb-usb-dvb.c:148
dvb_usb_adapter_init drivers/media/usb/dvb-usb/dvb-usb-init.c:86 [inline]
dvb_usb_init drivers/media/usb/dvb-usb/dvb-usb-init.c:186 [inline]
dvb_usb_device_init+0x1bd2/0x2580 drivers/media/usb/dvb-usb/dvb-usb-init.c:310
m920x_probe+0x249/0xea0 drivers/media/usb/dvb-usb/m920x.c:845
usb_probe_interface+0x668/0xc30 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x26d/0x9e0 drivers/base/dd.c:659
__driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:801
driver_probe_device+0x4f/0x430 drivers/base/dd.c:831
__device_attach_driver+0x2ce/0x530 drivers/base/dd.c:959
bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
__device_attach+0x2b8/0x400 drivers/base/dd.c:1031
bus_probe_device+0x185/0x260 drivers/base/bus.c:537
device_add+0x7b6/0xb50 drivers/base/core.c:3689
usb_set_configuration+0x1a87/0x20e0 drivers/usb/core/message.c:2210
usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
usb_probe_device+0x1c4/0x390 drivers/usb/core/driver.c:291
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x26d/0x9e0 drivers/base/dd.c:659
__driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:801
driver_probe_device+0x4f/0x430 drivers/base/dd.c:831
__device_attach_driver+0x2ce/0x530 drivers/base/dd.c:959
bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
__device_attach+0x2b8/0x400 drivers/base/dd.c:1031
bus_probe_device+0x185/0x260 drivers/base/bus.c:537
device_add+0x7b6/0xb50 drivers/base/core.c:3689
usb_new_device+0xa39/0x16f0 drivers/usb/core/hub.c:2694
hub_port_connect drivers/usb/core/hub.c:5566 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5706 [inline]
port_event drivers/usb/core/hub.c:5870 [inline]
hub_event+0x2958/0x4a20 drivers/usb/core/hub.c:5952
process_one_work kernel/workqueue.c:3257 [inline]
process_scheduled_works+0xad1/0x1770 kernel/workqueue.c:3340
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3421
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:skb_panic+0x157/0x160 net/core/skbuff.c:213
Code: c7 20 6b 6e 8c 48 8b 74 24 08 48 8b 54 24 10 8b 0c 24 44 8b 44 24 04 4d 89 e9 50 55 41 57 41 56 e8 6e 94 f5 ff 48 83 c4 20 90 <0f> 0b cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900000074a0 EFLAGS: 00010286
RAX: 0000000000000087 RBX: dffffc0000000000 RCX: fa9a2c76207cfb00
RDX: 0000000000000100 RSI: 0000000000000101 RDI: 0000000000000000
RBP: 0000000000000180 R08: ffffffff8f80a077 R09: 1ffffffff1f0140e
R10: dffffc0000000000 R11: fffffbfff1f0140f R12: ffff8880318b4010
R13: ffff88807ebf9d40 R14: ffff88807ebf9d28 R15: 0000000000000058
FS: 0000000000000000(0000) GS:ffff8881260a6000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000f7486288 CR3: 000000007508c000 CR4: 00000000003526f0
----------------
Code disassembly (best guess), 2 bytes skipped:
0: e8 1d 0e 20 00 call 0x200e22
5: 90 nop
6: 0f 0b ud2
8: 90 nop
9: e9 53 fc ff ff jmp 0xfffffc61
e: e8 0f 0e 20 00 call 0x200e22
13: e8 5a c5 a8 09 call 0x9a8c572
18: 48 85 db test %rbx,%rbx
1b: 74 c0 je 0xffffffdd
1d: e8 00 0e 20 00 call 0x200e22
22: fb sti
23: 48 8b 5c 24 10 mov 0x10(%rsp),%rbx
* 28: 48 8b 44 24 20 mov 0x20(%rsp),%rax <-- trapping instruction
2d: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1)
32: 4c 8b 74 24 18 mov 0x18(%rsp),%r14
37: 74 08 je 0x41
39: 4c 89 f7 mov %r14,%rdi
3c: e8 .byte 0xe8
3d: f1 int1