------------[ cut here ]------------
kernel BUG at arch/x86/mm/physaddr.c:28!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted 6.16.0-rc6-syzkaller-01646-g56613001dfc9-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: netns cleanup_net
RIP: 0010:__phys_addr+0x16b/0x180
Code: c9 ad 00 e9 45 ff ff ff e8 12 bb 4b 00 48 c7 c7 10 f7 fa 8d 48 89 de 4c 89 f2 e8 40 69 81 03 e9 4d ff ff ff e8 f6 ba 4b 00 90 <0f> 0b e8 ee ba 4b 00 90 0f 0b e8 e6 ba 4b 00 90 0f 0b 0f 1f 00 90
RSP: 0018:ffffc90000007bf8 EFLAGS: 00010246
RAX: ffffffff81746f5a RBX: 00007780fffe0000 RCX: ffff88801c6bd640
RDX: 0000000000000100 RSI: 000000017ffe0000 RDI: 00007780fffe0000
RBP: ffffc90000007ed0 R08: 0000000000000000 R09: ffffffff81a8c254
R10: dffffc0000000000 R11: ffffffff89f5bb10 R12: ffffffff89f5bb10
R13: ffffffff81a8c254 R14: 000000017ffe0000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8615000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff3cef26f8 CR3: 0000000110bb2000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 kfree+0x77/0x440
 in_dev_free_rcu+0x49/0x60
 rcu_core+0xca8/0x1710
 handle_softirqs+0x286/0x870
 do_softirq+0xec/0x180
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x17d/0x1c0
 neigh_parms_release+0x16a/0x230
 inetdev_event+0x7d5/0x15b0
 notifier_call_chain+0x1b6/0x3e0
 unregister_netdevice_many_notify+0x14d7/0x1ff0
 default_device_exit_batch+0x819/0x890
 ops_undo_list+0x525/0x990
 cleanup_net+0x4c5/0x800
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__phys_addr+0x16b/0x180
Code: c9 ad 00 e9 45 ff ff ff e8 12 bb 4b 00 48 c7 c7 10 f7 fa 8d 48 89 de 4c 89 f2 e8 40 69 81 03 e9 4d ff ff ff e8 f6 ba 4b 00 90 <0f> 0b e8 ee ba 4b 00 90 0f 0b e8 e6 ba 4b 00 90 0f 0b 0f 1f 00 90
RSP: 0018:ffffc90000007bf8 EFLAGS: 00010246
RAX: ffffffff81746f5a RBX: 00007780fffe0000 RCX: ffff88801c6bd640
RDX: 0000000000000100 RSI: 000000017ffe0000 RDI: 00007780fffe0000
RBP: ffffc90000007ed0 R08: 0000000000000000 R09: ffffffff81a8c254
R10: dffffc0000000000 R11: ffffffff89f5bb10 R12: ffffffff89f5bb10
R13: ffffffff81a8c254 R14: 000000017ffe0000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8615000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff3cef26f8 CR3: 0000000110bb2000 CR4: 00000000000006f0
