------------[ cut here ]------------
kernel BUG at arch/x86/mm/physaddr.c:28!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.16.0-rc7-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__phys_addr+0x16b/0x180 arch/x86/mm/physaddr.c:28
Code: c9 ad 00 e9 45 ff ff ff e8 92 b7 4b 00 48 c7 c7 10 f7 fa 8d 48 89 de 4c 89 f2 e8 60 6b 81 03 e9 4d ff ff ff e8 76 b7 4b 00 90 <0f> 0b e8 6e b7 4b 00 90 0f 0b e8 66 b7 4b 00 90 0f 0b 0f 1f 00 90
RSP: 0018:ffffc90000a08b58 EFLAGS: 00010246
RAX: ffffffff81746f5a RBX: 00007780ffff0000 RCX: ffff88801cae5a00
RDX: 0000000000000100 RSI: 000000017fff0000 RDI: 00007780ffff0000
RBP: ffffc90000a08e30 R08: 0000000000000000 R09: ffffffff81a8c184
R10: dffffc0000000000 R11: ffffffff89f4bf90 R12: ffffffff89f4bf90
R13: ffffffff81a8c184 R14: 000000017fff0000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888125d23000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fce57383178 CR3: 000000000df38000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 virt_to_folio include/linux/mm.h:1178 [inline]
 kfree+0x77/0x440 mm/slub.c:4834
 in_dev_free_rcu+0x49/0x60 net/ipv4/devinet.c:245
 rcu_do_batch kernel/rcu/tree.c:2576 [inline]
 rcu_core+0xca8/0x1710 kernel/rcu/tree.c:2832
 handle_softirqs+0x286/0x870 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: 3e ac a2 f5 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 d3 9d 1a 00 f3 0f 1e fa fb f4 <e9> 13 ac a2 f5 cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90000197de0 EFLAGS: 000002c2
RAX: 601f9f75051b2e00 RBX: ffffffff81976a18 RCX: 601f9f75051b2e00
RDX: 0000000000000001 RSI: ffffffff8d996411 RDI: ffffffff8be28d00
RBP: ffffc90000197f20 R08: ffff8880b8732f5b R09: 1ffff110170e65eb
R10: dffffc0000000000 R11: ffffed10170e65ec R12: ffffffff8fa1dcf0
R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff1100395cb40
 arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
 default_idle+0x13/0x20 arch/x86/kernel/process.c:749
 default_idle_call+0x74/0xb0 kernel/sched/idle.c:117
 cpuidle_idle_call kernel/sched/idle.c:185 [inline]
 do_idle+0x1e8/0x510 kernel/sched/idle.c:325
 cpu_startup_entry+0x44/0x60 kernel/sched/idle.c:423
 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: c9 ad 00 e9 45 ff ff ff e8 92 b7 4b 00 48 c7 c7 10 f7 fa 8d 48 89 de 4c 89 f2 e8 60 6b 81 03 e9 4d ff ff ff e8 76 b7 4b 00 90 <0f> 0b e8 6e b7 4b 00 90 0f 0b e8 66 b7 4b 00 90 0f 0b 0f 1f 00 90
RSP: 0018:ffffc90000a08b58 EFLAGS: 00010246
RAX: ffffffff81746f5a RBX: 00007780ffff0000 RCX: ffff88801cae5a00
RDX: 0000000000000100 RSI: 000000017fff0000 RDI: 00007780ffff0000
RBP: ffffc90000a08e30 R08: 0000000000000000 R09: ffffffff81a8c184
R10: dffffc0000000000 R11: ffffffff89f4bf90 R12: ffffffff89f4bf90
R13: ffffffff81a8c184 R14: 000000017fff0000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888125d23000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fce57383178 CR3: 000000000df38000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
   0:	3e ac                	lods   %ds:(%rsi),%al
   2:	a2 f5 cc cc cc 90 90 	movabs %al,0x90909090ccccccf5
   9:	90 90
   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 d3 9d 1a 00 	verw   0x1a9dd3(%rip)        # 0x1a9df7
  24:	f3 0f 1e fa          	endbr64
  28:	fb                   	sti
  29:	f4                   	hlt
* 2a:	e9 13 ac a2 f5       	jmp    0xf5a2ac42 <-- trapping instruction
  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