------------[ cut here ]------------
kernel BUG at arch/x86/mm/physaddr.c:28!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__phys_addr+0x16b/0x180
Code: 8f ae 00 e9 45 ff ff ff e8 62 24 4b 00 48 c7 c7 50 cf fa 8d 48 89 de 4c 89 f2 e8 50 c4 8a 03 e9 4d ff ff ff e8 46 24 4b 00 90 <0f> 0b e8 3e 24 4b 00 90 0f 0b e8 36 24 4b 00 90 0f 0b 0f 1f 00 90
RSP: 0018:ffffc900001b7878 EFLAGS: 00010246
RAX: ffffffff817486ea RBX: 00007780ffff0000 RCX: ffff8881000fd640
RDX: 0000000000000100 RSI: 000000017fff0000 RDI: 00007780ffff0000
RBP: ffffc900001b7b50 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff8a024f70 R12: ffffffff8a024f70
R13: ffffffff81a7f7c7 R14: 000000017fff0000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881a3c1a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000009a40 CR3: 000000001ff54000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 kfree+0x77/0x440
 in_dev_free_rcu+0x49/0x60
 rcu_core+0xcab/0x1770
 handle_softirqs+0x286/0x870
 run_ksoftirqd+0x9b/0x100
 smpboot_thread_fn+0x542/0xa60
 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: 8f ae 00 e9 45 ff ff ff e8 62 24 4b 00 48 c7 c7 50 cf fa 8d 48 89 de 4c 89 f2 e8 50 c4 8a 03 e9 4d ff ff ff e8 46 24 4b 00 90 <0f> 0b e8 3e 24 4b 00 90 0f 0b e8 36 24 4b 00 90 0f 0b 0f 1f 00 90
RSP: 0018:ffffc900001b7878 EFLAGS: 00010246
RAX: ffffffff817486ea RBX: 00007780ffff0000 RCX: ffff8881000fd640
RDX: 0000000000000100 RSI: 000000017fff0000 RDI: 00007780ffff0000
RBP: ffffc900001b7b50 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff8a024f70 R12: ffffffff8a024f70
R13: ffffffff81a7f7c7 R14: 000000017fff0000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881a3c1a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000009a40 CR3: 000000001ff54000 CR4: 00000000000006f0
