------------[ cut here ]------------
kernel BUG at arch/x86/mm/physaddr.c:28!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.15.0-rc4-syzkaller-00147-gebd297a2affa #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
RIP: 0010:__phys_addr+0x15b/0x170 arch/x86/mm/physaddr.c:28
Code: 98 ae 00 e9 3c ff ff ff e8 22 a4 4c 00 48 c7 c7 30 9f da 8d 48 89 de 4c 89 f2 e8 70 74 7a 03 e9 44 ff ff ff e8 06 a4 4c 00 90 <0f> 0b e8 fe a3 4c 00 90 0f 0b e8 f6 a3 4c 00 90 0f 0b 0f 1f 00 90
RSP: 0018:ffffc90000147918 EFLAGS: 00010246
RAX: ffffffff81731c4a RBX: 00007780ffff0000 RCX: ffff88801b68bc00
RDX: 0000000000000100 RSI: 000000017fff0000 RDI: 00007780ffff0000
RBP: ffffc90000147bf0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff89de7f60 R12: ffffffff89de7f60
R13: ffffffff81a87dc4 R14: 000000017fff0000 R15: ffff888060286df8
FS:  0000000000000000(0000) GS:ffff8881260cc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c27916e CR3: 000000003326a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 virt_to_folio include/linux/mm.h:1402 [inline]
 kfree+0x70/0x440 mm/slub.c:4847
 in_dev_free_rcu+0x49/0x60 net/ipv4/devinet.c:245
 rcu_do_batch kernel/rcu/tree.c:2568 [inline]
 rcu_core+0xca5/0x1710 kernel/rcu/tree.c:2824
 handle_softirqs+0x283/0x870 kernel/softirq.c:579
 run_ksoftirqd+0x9b/0x100 kernel/softirq.c:968
 smpboot_thread_fn+0x53f/0xa60 kernel/smpboot.c:164
 kthread+0x70e/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__phys_addr+0x15b/0x170 arch/x86/mm/physaddr.c:28
Code: 98 ae 00 e9 3c ff ff ff e8 22 a4 4c 00 48 c7 c7 30 9f da 8d 48 89 de 4c 89 f2 e8 70 74 7a 03 e9 44 ff ff ff e8 06 a4 4c 00 90 <0f> 0b e8 fe a3 4c 00 90 0f 0b e8 f6 a3 4c 00 90 0f 0b 0f 1f 00 90
RSP: 0018:ffffc90000147918 EFLAGS: 00010246
RAX: ffffffff81731c4a RBX: 00007780ffff0000 RCX: ffff88801b68bc00
RDX: 0000000000000100 RSI: 000000017fff0000 RDI: 00007780ffff0000
RBP: ffffc90000147bf0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff89de7f60 R12: ffffffff89de7f60
R13: ffffffff81a87dc4 R14: 000000017fff0000 R15: ffff888060286df8
FS:  0000000000000000(0000) GS:ffff8881260cc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c27916e CR3: 000000003326a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400