------------[ cut here ]------------
kernel BUG at arch/x86/mm/physaddr.c:28!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.16.0-rc1-syzkaller-00010-g2c4a1f3fe03e #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__phys_addr+0xfa/0x180 arch/x86/mm/physaddr.c:28
Code: 48 d3 e8 48 89 c3 48 89 c6 e8 d2 7e 4f 00 48 85 db 75 11 e8 58 83 4f 00 48 89 e8 5b 5d 41 5c e9 7c 19 16 0a e8 47 83 4f 00 90 <0f> 0b e8 3f 83 4f 00 48 c7 c0 10 d0 3a 8e 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc90000648d70 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000017fff0000 RCX: ffffffff816c98e3
RDX: ffff88801de8c880 RSI: ffffffff816c9969 RDI: 0000000000000006
RBP: 00007780ffff0000 R08: 0000000000000006 R09: 000000017fff0000
R10: 00007780ffff0000 R11: 0000000000000001 R12: 0000000000000000
R13: ffffffff81a2d617 R14: ffffc90000648e90 R15: 0000000000000007
FS:  0000000000000000(0000) GS:ffff8880d6954000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd9e916fa8 CR3: 00000000343d8000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 virt_to_folio include/linux/mm.h:1178 [inline]
 kfree+0x66/0x4d0 mm/slub.c:4834
 in_dev_free_rcu+0x44/0x60 net/ipv4/devinet.c:245
 rcu_do_batch kernel/rcu/tree.c:2576 [inline]
 rcu_core+0x79c/0x14e0 kernel/rcu/tree.c:2832
 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:82
Code: ab 72 02 e9 03 fb 02 00 0f 1f 00 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 23 40 2a 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
RSP: 0018:ffffc90000187df8 EFLAGS: 00000286
RAX: 0000000000269739 RBX: 0000000000000002 RCX: ffffffff8b7fcc99
RDX: 0000000000000000 RSI: ffffffff8de18f2c RDI: ffffffff8c157060
RBP: ffffed1003bd1910 R08: 0000000000000001 R09: ffffed100d4c6645
R10: ffff88806a63322b R11: 0000000000000001 R12: 0000000000000002
R13: ffff88801de8c880 R14: ffffffff90a80c50 R15: 0000000000000000
 arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
 default_idle+0x13/0x20 arch/x86/kernel/process.c:749
 default_idle_call+0x6d/0xb0 kernel/sched/idle.c:117
 cpuidle_idle_call kernel/sched/idle.c:185 [inline]
 do_idle+0x391/0x510 kernel/sched/idle.c:325
 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:423
 start_secondary+0x21d/0x2b0 arch/x86/kernel/smpboot.c:315
 common_startup_64+0x13e/0x148
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__phys_addr+0xfa/0x180 arch/x86/mm/physaddr.c:28
Code: 48 d3 e8 48 89 c3 48 89 c6 e8 d2 7e 4f 00 48 85 db 75 11 e8 58 83 4f 00 48 89 e8 5b 5d 41 5c e9 7c 19 16 0a e8 47 83 4f 00 90 <0f> 0b e8 3f 83 4f 00 48 c7 c0 10 d0 3a 8e 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc90000648d70 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000017fff0000 RCX: ffffffff816c98e3
RDX: ffff88801de8c880 RSI: ffffffff816c9969 RDI: 0000000000000006
RBP: 00007780ffff0000 R08: 0000000000000006 R09: 000000017fff0000
R10: 00007780ffff0000 R11: 0000000000000001 R12: 0000000000000000
R13: ffffffff81a2d617 R14: ffffc90000648e90 R15: 0000000000000007
FS:  0000000000000000(0000) GS:ffff8880d6954000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd9e916fa8 CR3: 00000000343d8000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	ab                   	stos   %eax,%es:(%rdi)
   1:	72 02                	jb     0x5
   3:	e9 03 fb 02 00       	jmp    0x2fb0b
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 23 40 2a 00 	verw   0x2a4023(%rip)        # 0x2a404b
  28:	fb                   	sti
  29:	f4                   	hlt
* 2a:	c3                   	ret <-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop