------------[ cut here ]------------
WARNING: CPU: 0 PID: 12995 at net/ipv4/route.c:1254 ip_rt_bug+0x2c/0x110 net/ipv4/route.c:1254
Modules linked in:
CPU: 0 UID: 0 PID: 12995 Comm: kworker/0:0 Not tainted 6.12.0-syzkaller-10689-g7af08b57bcb9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:ip_rt_bug+0x2c/0x110 net/ipv4/route.c:1254
Code: 1e fa 41 57 41 56 41 55 41 54 53 48 89 d3 e8 6b eb 6b f7 66 90 e8 64 eb 6b f7 31 ff 48 89 de ba 02 00 00 00 e8 65 3e 6a ff 90 <0f> 0b 90 31 c0 5b 41 5c 41 5d 41 5e 41 5f e9 7c 4a c6 01 f3 0f 1e
RSP: 0018:ffffc90000007660 EFLAGS: 00010286
RAX: b02cbf7769f65600 RBX: ffff88807f5d4000 RCX: ffffffff8171939a
RDX: dffffc0000000000 RSI: ffffffff8c0ad980 RDI: ffffffff8c6158a0
RBP: 0000000000000001 R08: ffffffff94321927 R09: 1ffffffff2864324
R10: dffffc0000000000 R11: fffffbfff2864325 R12: dffffc0000000000
R13: ffffc900000078d8 R14: ffff888024455ac0 R15: ffff88801ad21b00
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056549f65f950 CR3: 0000000032640000 CR4: 0000000000350ef0
Call Trace:
ip_local_out net/ipv4/ip_output.c:130 [inline]
ip_send_skb net/ipv4/ip_output.c:1505 [inline]
ip_push_pending_frames+0xbf/0x150 net/ipv4/ip_output.c:1525
__icmp_send+0x1013/0x15c0 net/ipv4/icmp.c:779
ipv4_send_dest_unreach net/ipv4/route.c:1234 [inline]
ipv4_link_failure+0x62f/0xa10 net/ipv4/route.c:1241
dst_link_failure include/net/dst.h:429 [inline]
arp_error_report+0x116/0x160 net/ipv4/arp.c:296
neigh_invalidate+0x249/0x470 net/core/neighbour.c:1010
neigh_timer_handler+0x8a5/0xfe0 net/core/neighbour.c:1097
call_timer_fn+0x189/0x650 kernel/time/timer.c:1793
expire_timers kernel/time/timer.c:1844 [inline]
__run_timers kernel/time/timer.c:2418 [inline]
__run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2430
run_timer_base kernel/time/timer.c:2439 [inline]
run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2449
handle_softirqs+0x2d6/0x9b0 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf7/0x220 kernel/softirq.c:655
irq_exit_rcu+0x9/0x30 kernel/softirq.c:671
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0x996/0xeb0
Code: 48 21 c3 0f 85 16 02 00 00 e8 96 af 20 00 4c 8b 7c 24 10 4d 85 f6 75 07 e8 87 af 20 00 eb 06 e8 80 af 20 00 fb 48 8b 5c 24 18 <48> 8b 44 24 30 42 80 3c 28 00 74 08 48 89 df e8 36 97 8b 00 4c 8b
RSP: 0018:ffffc90003bf6d60 EFLAGS: 00000283
RAX: ffffffff81753250 RBX: ffffffff8f191d18 RCX: 0000000000100000
RDX: ffffc9001cbd2000 RSI: 000000000000fa3c RDI: 000000000000fa3d
RBP: ffffc90003bf6f10 R08: ffffffff81753227 R09: 1ffffffff2864310
R10: dffffc0000000000 R11: fffffbfff2864311 R12: ffffffff8f191cc0
R13: dffffc0000000000 R14: 0000000000000200 R15: ffffc90003bf6f60
__console_flush_and_unlock kernel/printk/printk.c:3269 [inline]
console_unlock+0x14f/0x3b0 kernel/printk/printk.c:3309
vprintk_emit+0x730/0xa10 kernel/printk/printk.c:2432
dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4942
dev_printk_emit+0xdd/0x120 drivers/base/core.c:4953
_dev_notice+0x122/0x170 drivers/base/core.c:5010
usb_parse_endpoint drivers/usb/core/config.c:467 [inline]
usb_parse_interface drivers/usb/core/config.c:594 [inline]
usb_parse_configuration drivers/usb/core/config.c:807 [inline]
usb_get_configuration+0x2db3/0x4dc0 drivers/usb/core/config.c:956
usb_enumerate_device drivers/usb/core/hub.c:2483 [inline]
usb_new_device+0x14a/0x19a0 drivers/usb/core/hub.c:2621
hub_port_connect drivers/usb/core/hub.c:5521 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
port_event drivers/usb/core/hub.c:5821 [inline]
hub_event+0x2d6d/0x5150 drivers/usb/core/hub.c:5903
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
----------------
Code disassembly (best guess):
0: 48 21 c3 and %rax,%rbx
3: 0f 85 16 02 00 00 jne 0x21f
9: e8 96 af 20 00 call 0x20afa4
e: 4c 8b 7c 24 10 mov 0x10(%rsp),%r15
13: 4d 85 f6 test %r14,%r14
16: 75 07 jne 0x1f
18: e8 87 af 20 00 call 0x20afa4
1d: eb 06 jmp 0x25
1f: e8 80 af 20 00 call 0x20afa4
24: fb sti
25: 48 8b 5c 24 18 mov 0x18(%rsp),%rbx
* 2a: 48 8b 44 24 30 mov 0x30(%rsp),%rax <-- trapping instruction
2f: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
34: 74 08 je 0x3e
36: 48 89 df mov %rbx,%rdi
39: e8 36 97 8b 00 call 0x8b9774
3e: 4c rex.WR
3f: 8b .byte 0x8b