------------[ cut here ]------------
kernel BUG at arch/x86/mm/physaddr.c:28!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 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: 8e ae 00 e9 45 ff ff ff e8 62 25 4b 00 48 c7 c7 50 cf fa 8d 48 89 de 4c 89 f2 e8 10 a1 8a 03 e9 4d ff ff ff e8 46 25 4b 00 90 <0f> 0b e8 3e 25 4b 00 90 0f 0b e8 36 25 4b 00 90 0f 0b 0f 1f 00 90
RSP: 0018:ffffc90000007b58 EFLAGS: 00010246
RAX: ffffffff817486ea RBX: 00007780ffff0000 RCX: ffffffff8de95100
RDX: 0000000000000100 RSI: 000000017fff0000 RDI: 00007780ffff0000
RBP: ffffc90000007e30 R08: 0000000000000000 R09: ffffffff81a7f8c7
R10: dffffc0000000000 R11: ffffffff8a01e100 R12: ffffffff8a01e100
R13: ffffffff81a7f8c7 R14: 000000017fff0000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b861c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32118ff8 CR3: 0000000033446000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 kfree+0x77/0x440
 in_dev_free_rcu+0x49/0x60
 rcu_core+0xcab/0x1770
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:pv_native_safe_halt+0x13/0x20
Code: 13 e8 02 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d f3 d6 0e 00 f3 0f 1e fa fb f4 <c3> cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffffff8de07d80 EFLAGS: 00000282
RAX: 8646074e4d661400 RBX: ffffffff819683a8 RCX: 8646074e4d661400
RDX: 0000000000000001 RSI: ffffffff8d9b69ad RDI: ffffffff8be33300
RBP: ffffffff8de07eb8 R08: ffff88804b032f9b R09: 1ffff110096065f3
R10: dffffc0000000000 R11: ffffed10096065f4 R12: ffffffff8fa37e30
R13: 0000000000000000 R14: 0000000000000000 R15: 1ffffffff1bd2a20
 default_idle+0x13/0x20
 default_idle_call+0x74/0xb0
 do_idle+0x1e8/0x510
 cpu_startup_entry+0x44/0x60
 rest_init+0x2de/0x300
 start_kernel+0x3a9/0x410
 x86_64_start_reservations+0x24/0x30
 x86_64_start_kernel+0x143/0x1c0
 common_startup_64+0x13e/0x147
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__phys_addr+0x16b/0x180
Code: 8e ae 00 e9 45 ff ff ff e8 62 25 4b 00 48 c7 c7 50 cf fa 8d 48 89 de 4c 89 f2 e8 10 a1 8a 03 e9 4d ff ff ff e8 46 25 4b 00 90 <0f> 0b e8 3e 25 4b 00 90 0f 0b e8 36 25 4b 00 90 0f 0b 0f 1f 00 90
RSP: 0018:ffffc90000007b58 EFLAGS: 00010246
RAX: ffffffff817486ea RBX: 00007780ffff0000 RCX: ffffffff8de95100
RDX: 0000000000000100 RSI: 000000017fff0000 RDI: 00007780ffff0000
RBP: ffffc90000007e30 R08: 0000000000000000 R09: ffffffff81a7f8c7
R10: dffffc0000000000 R11: ffffffff8a01e100 R12: ffffffff8a01e100
R13: ffffffff81a7f8c7 R14: 000000017fff0000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b861c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32118ff8 CR3: 0000000033446000 CR4: 00000000000006f0
