list_del corruption, ffff88803327a890->next is NULL
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:53!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 5902 Comm: kworker/R-wg-cr 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:ffffc90000007d58 EFLAGS: 00010046
RAX: 0000000000000033 RBX: ffff88803327a890 RCX: 8d2f09ca6335d900
RDX: 0000000000000100 RSI: 0000000000000102 RDI: 0000000000000000
RBP: 0000000000000203 R08: ffffc90000007ae7 R09: 1ffff92000000f5c
R10: dffffc0000000000 R11: fffff52000000f5d R12: 1ffff1100664f512
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888125457000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a34af81078 CR3: 000000000e54c000 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_call_function_single arch/x86/kernel/smp.c:266 [inline]
 sysvec_call_function_single+0xa3/0xc0 arch/x86/kernel/smp.c:266
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x1a/0x20 arch/x86/include/asm/idtentry.h:704
RIP: 0010:__raw_write_unlock_irq include/linux/rwlock_api_smp.h:300 [inline]
RIP: 0010:_raw_write_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:358
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 8a 39 f0 f5 48 89 df e8 82 b7 f0 f5 e8 ad 05 1c f6 fb bf 01 00 00 00 <e8> f2 60 e2 f5 65 8b 05 0b 09 6b 07 85 c0 74 07 5b c3 cc cc cc cc
RSP: 0018:ffffc90004307cd0 EFLAGS: 00000206
RAX: 0000000000000027 RBX: ffffffff8e40c040 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8defcb55 RDI: 0000000000000001
RBP: ffffc90004307e18 R08: ffffffff9011e8b7 R09: 1ffffffff2023d16
R10: dffffc0000000000 R11: fffffbfff2023d17 R12: dffffc0000000000
R13: 1ffff110045550ba R14: 0000000000000000 R15: ffffc90004307d68
 exit_notify kernel/exit.c:771 [inline]
 do_exit+0x154f/0x23c0 kernel/exit.c:986
 kthread+0x3a6/0x470 kernel/kthread.c:438
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </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:ffffc90000007d58 EFLAGS: 00010046
RAX: 0000000000000033 RBX: ffff88803327a890 RCX: 8d2f09ca6335d900
RDX: 0000000000000100 RSI: 0000000000000102 RDI: 0000000000000000
RBP: 0000000000000203 R08: ffffc90000007ae7 R09: 1ffff92000000f5c
R10: dffffc0000000000 R11: fffff52000000f5d R12: 1ffff1100664f512
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888125457000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a34af81078 CR3: 000000000e54c000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	90                   	nop
   1:	f3 0f 1e fa          	endbr64
   5:	53                   	push   %rbx
   6:	48 89 fb             	mov    %rdi,%rbx
   9:	48 83 c7 18          	add    $0x18,%rdi
   d:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
  12:	e8 8a 39 f0 f5       	call   0xf5f039a1
  17:	48 89 df             	mov    %rbx,%rdi
  1a:	e8 82 b7 f0 f5       	call   0xf5f0b7a1
  1f:	e8 ad 05 1c f6       	call   0xf61c05d1
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
* 2a:	e8 f2 60 e2 f5       	call   0xf5e26121 <-- trapping instruction
  2f:	65 8b 05 0b 09 6b 07 	mov    %gs:0x76b090b(%rip),%eax        # 0x76b0941
  36:	85 c0                	test   %eax,%eax
  38:	74 07                	je     0x41
  3a:	5b                   	pop    %rbx
  3b:	c3                   	ret
  3c:	cc                   	int3
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3