list_del corruption, ffff88807a3bb090->next is NULL
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:53!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6905 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__list_del_entry_valid_or_report+0xdf/0x190 lib/list_debug.c:52
Code: 49 39 1f 0f 85 9e 00 00 00 b0 01 5b 41 5c 41 5d 41 5e 41 5f e9 52 5c f8 06 cc 48 c7 c7 a0 e8 27 8c 48 89 de e8 12 51 6e fc 90 <0f> 0b 48 c7 c7 00 e9 27 8c 48 89 de e8 00 51 6e fc 90 0f 0b 4c 89
RSP: 0018:ffffc90000a08d58 EFLAGS: 00010046
RAX: 0000000000000033 RBX: ffff88807a3bb090 RCX: be8268f4e7f6be00
RDX: 0000000000000100 RSI: 0000000000000101 RDI: 0000000000000000
RBP: 0000000000000203 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1cbd9ec R12: 1ffff1100f477612
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  000055558ebea500(0000) GS:ffff888125557000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa908df15f8 CR3: 000000007ed92000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 __list_del_entry_valid include/linux/list.h:132 [inline]
 __list_del_entry include/linux/list.h:223 [inline]
 list_del_init include/linux/list.h:295 [inline]
 dst_destroy+0x202/0x5a0 net/core/dst.c:163
 rcu_do_batch kernel/rcu/tree.c:2617 [inline]
 rcu_core+0x7cd/0x1070 kernel/rcu/tree.c:2869
 handle_softirqs+0x22a/0x870 kernel/softirq.c:626
 __do_softirq kernel/softirq.c:660 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:727
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:743
 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:unwind_get_return_address+0x2b/0x90 arch/x86/kernel/unwind_orc.c:385
Code: 0f 1e fa 41 57 41 56 53 48 89 fb 49 be 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 4c 83 3b 00 74 3a <48> 83 c3 48 49 89 df 49 c1 ef 03 43 80 3c 37 00 74 08 48 89 df e8
RSP: 0018:ffffc90005c36788 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffffc90005c367a8 RCX: 0000000000000046
RDX: 0000000000000003 RSI: ffffffff8e16d13e RDI: ffffc90005c367a8
RBP: ffffc90005c36830 R08: 0000000000000022 R09: ffffffff8e760620
R10: ffffc90005c367f8 R11: ffffffff81b0c850 R12: ffff888029e88000
R13: ffff88807b438a80 R14: dffffc0000000000 R15: ffffc90005c367a8
 arch_stack_walk+0xfb/0x150 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x31c/0x660 mm/slub.c:5358
 kmalloc_noprof include/linux/slab.h:950 [inline]
 __kthread_create_on_node+0x115/0x3f0 kernel/kthread.c:483
 kthread_create_on_node+0xeb/0x140 kernel/kthread.c:559
 init_rescuer+0x30c/0x530 kernel/workqueue.c:5673
 __alloc_workqueue+0x1a84/0x1e90 kernel/workqueue.c:5846
 alloc_workqueue_noprof+0xe3/0x210 kernel/workqueue.c:5887
 wg_newlink+0x29e/0x670 drivers/net/wireguard/device.c:346
 rtnl_newlink_create+0x329/0xb70 net/core/rtnetlink.c:3840
 __rtnl_newlink net/core/rtnetlink.c:3957 [inline]
 rtnl_newlink+0x1666/0x1be0 net/core/rtnetlink.c:4072
 rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6958
 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec+0x18f/0x1d0 net/socket.c:802
 __sock_sendmsg net/socket.c:817 [inline]
 __sys_sendto+0x3ff/0x590 net/socket.c:2286
 __do_sys_sendto net/socket.c:2293 [inline]
 __se_sys_sendto net/socket.c:2289 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2289
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9177b5cfce
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007ffdf4701ee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 000055558ebea500 RCX: 00007f9177b5cfce
RDX: 000000000000004c RSI: 00007f9178944670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffdf4701f64 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f9178944670 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0xdf/0x190 lib/list_debug.c:52
Code: 49 39 1f 0f 85 9e 00 00 00 b0 01 5b 41 5c 41 5d 41 5e 41 5f e9 52 5c f8 06 cc 48 c7 c7 a0 e8 27 8c 48 89 de e8 12 51 6e fc 90 <0f> 0b 48 c7 c7 00 e9 27 8c 48 89 de e8 00 51 6e fc 90 0f 0b 4c 89
RSP: 0018:ffffc90000a08d58 EFLAGS: 00010046
RAX: 0000000000000033 RBX: ffff88807a3bb090 RCX: be8268f4e7f6be00
RDX: 0000000000000100 RSI: 0000000000000101 RDI: 0000000000000000
RBP: 0000000000000203 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1cbd9ec R12: 1ffff1100f477612
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  000055558ebea500(0000) GS:ffff888125557000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa908df15f8 CR3: 000000007ed92000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	0f 1e fa             	nop    %edx
   3:	41 57                	push   %r15
   5:	41 56                	push   %r14
   7:	53                   	push   %rbx
   8:	48 89 fb             	mov    %rdi,%rbx
   b:	49 be 00 00 00 00 00 	movabs $0xdffffc0000000000,%r14
  12:	fc ff df
  15:	48 89 f8             	mov    %rdi,%rax
  18:	48 c1 e8 03          	shr    $0x3,%rax
  1c:	42 0f b6 04 30       	movzbl (%rax,%r14,1),%eax
  21:	84 c0                	test   %al,%al
  23:	75 4c                	jne    0x71
  25:	83 3b 00             	cmpl   $0x0,(%rbx)
  28:	74 3a                	je     0x64
* 2a:	48 83 c3 48          	add    $0x48,%rbx <-- trapping instruction
  2e:	49 89 df             	mov    %rbx,%r15
  31:	49 c1 ef 03          	shr    $0x3,%r15
  35:	43 80 3c 37 00       	cmpb   $0x0,(%r15,%r14,1)
  3a:	74 08                	je     0x44
  3c:	48 89 df             	mov    %rbx,%rdi
  3f:	e8                   	.byte 0xe8