------------[ cut here ]------------
kernel BUG at arch/x86/mm/physaddr.c:28!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__phys_addr+0x16b/0x180 arch/x86/mm/physaddr.c:28
Code: 8e ae 00 e9 45 ff ff ff e8 e2 24 4b 00 48 c7 c7 50 cf fa 8d 48 89 de 4c 89 f2 e8 90 0e 8a 03 e9 4d ff ff ff e8 c6 24 4b 00 90 <0f> 0b e8 be 24 4b 00 90 0f 0b e8 b6 24 4b 00 90 0f 0b 0f 1f 00 90
RSP: 0018:ffffc90000a08b58 EFLAGS: 00010246
RAX: ffffffff817486ea RBX: 00007780ffff0000 RCX: ffff88801ceada00
RDX: 0000000000000100 RSI: 000000017fff0000 RDI: 00007780ffff0000
RBP: ffffc90000a08e30 R08: 0000000000000000 R09: ffffffff81a7f847
R10: dffffc0000000000 R11: ffffffff8a014350 R12: ffffffff8a014350
R13: ffffffff81a7f847 R14: 000000017fff0000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888125d21000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d5dddaf660 CR3: 000000004086a000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 virt_to_folio include/linux/mm.h:1180 [inline]
 kfree+0x77/0x440 mm/slub.c:4871
 in_dev_free_rcu+0x49/0x60 net/ipv4/devinet.c:245
 rcu_do_batch kernel/rcu/tree.c:2605 [inline]
 rcu_core+0xca8/0x1770 kernel/rcu/tree.c:2861
 handle_softirqs+0x283/0x870 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0xca/0x1f0 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+0xa6/0xc0 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+0x13/0x20 arch/x86/kernel/paravirt.c:82
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 66 90 0f 00 2d 53 77 0f 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:ffffc90000197de0 EFLAGS: 000002c2
RAX: d2cf8fdeed8c0b00 RBX: ffffffff81968308 RCX: d2cf8fdeed8c0b00
RDX: 0000000000000001 RSI: ffffffff8d9b4943 RDI: ffffffff8be32680
RBP: ffffc90000197f20 R08: ffff8880b8732f9b R09: 1ffff110170e65f3
R10: dffffc0000000000 R11: ffffed10170e65f4 R12: ffffffff8fa34730
R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff110039d5b40
 arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
 default_idle+0x13/0x20 arch/x86/kernel/process.c:757
 default_idle_call+0x74/0xb0 kernel/sched/idle.c:122
 cpuidle_idle_call kernel/sched/idle.c:190 [inline]
 do_idle+0x1e8/0x510 kernel/sched/idle.c:330
 cpu_startup_entry+0x44/0x60 kernel/sched/idle.c:428
 start_secondary+0x101/0x110 arch/x86/kernel/smpboot.c:315
 common_startup_64+0x13e/0x147
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__phys_addr+0x16b/0x180 arch/x86/mm/physaddr.c:28
Code: 8e ae 00 e9 45 ff ff ff e8 e2 24 4b 00 48 c7 c7 50 cf fa 8d 48 89 de 4c 89 f2 e8 90 0e 8a 03 e9 4d ff ff ff e8 c6 24 4b 00 90 <0f> 0b e8 be 24 4b 00 90 0f 0b e8 b6 24 4b 00 90 0f 0b 0f 1f 00 90
RSP: 0018:ffffc90000a08b58 EFLAGS: 00010246
RAX: ffffffff817486ea RBX: 00007780ffff0000 RCX: ffff88801ceada00
RDX: 0000000000000100 RSI: 000000017fff0000 RDI: 00007780ffff0000
RBP: ffffc90000a08e30 R08: 0000000000000000 R09: ffffffff81a7f847
R10: dffffc0000000000 R11: ffffffff8a014350 R12: ffffffff8a014350
R13: ffffffff81a7f847 R14: 000000017fff0000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888125d21000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d5dddaf660 CR3: 000000004086a000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	13 e8                	adc    %eax,%ebp
   2:	02 00                	add    (%rax),%al
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	90                   	nop
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   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:	f3 0f 1e fa          	endbr64
  1b:	66 90                	xchg   %ax,%ax
  1d:	0f 00 2d 53 77 0f 00 	verw   0xf7753(%rip)        # 0xf7777
  24:	f3 0f 1e fa          	endbr64
  28:	fb                   	sti
  29:	f4                   	hlt
* 2a:	c3                   	ret <-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	cc                   	int3
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	90                   	nop
  38:	90                   	nop
  39:	90                   	nop
  3a:	90                   	nop
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop