IPVS: fo: UDP 224.0.0.2:0 - no destination available ------------[ 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 6.16.0-syzkaller-06600-g1dbf1d590d10 #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: 40 ae 00 e9 45 ff ff ff e8 52 1e 4b 00 48 c7 c7 10 ef fa 8d 48 89 de 4c 89 f2 e8 e0 d9 87 03 e9 4d ff ff ff e8 36 1e 4b 00 90 <0f> 0b e8 2e 1e 4b 00 90 0f 0b e8 26 1e 4b 00 90 0f 0b 0f 1f 00 90 RSP: 0018:ffffc90000007b58 EFLAGS: 00010246 RAX: ffffffff8174927a RBX: 00007780ffff0000 RCX: ffffffff8de950c0 RDX: 0000000000000100 RSI: 000000017fff0000 RDI: 00007780ffff0000 RBP: ffffc90000007e30 R08: 0000000000000000 R09: ffffffff81a7f5d4 R10: dffffc0000000000 R11: ffffffff89f87740 R12: ffffffff89f87740 R13: ffffffff81a7f5d4 R14: 000000017fff0000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888125c80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fae5fed9e9c CR3: 000000005e650000 CR4: 00000000003526f0 Call Trace: 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+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 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: 53 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 13 6f 18 00 f3 0f 1e fa fb f4 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: 000002c2 RAX: 40a8f7e69100bf00 RBX: ffffffff81969b18 RCX: 40a8f7e69100bf00 RDX: 0000000000000001 RSI: ffffffff8d9792e3 RDI: ffffffff8be30a00 RBP: ffffffff8de07eb8 R08: ffff8880b8632f5b R09: 1ffff110170c65eb R10: dffffc0000000000 R11: ffffed10170c65ec R12: ffffffff8fa07bf0 R13: 0000000000000000 R14: 0000000000000000 R15: 1ffffffff1bd2a18 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 rest_init+0x2de/0x300 init/main.c:744 start_kernel+0x3a9/0x410 init/main.c:1097 x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:307 x86_64_start_kernel+0x143/0x1c0 arch/x86/kernel/head64.c:288 common_startup_64+0x13e/0x147 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__phys_addr+0x16b/0x180 arch/x86/mm/physaddr.c:28 Code: 40 ae 00 e9 45 ff ff ff e8 52 1e 4b 00 48 c7 c7 10 ef fa 8d 48 89 de 4c 89 f2 e8 e0 d9 87 03 e9 4d ff ff ff e8 36 1e 4b 00 90 <0f> 0b e8 2e 1e 4b 00 90 0f 0b e8 26 1e 4b 00 90 0f 0b 0f 1f 00 90 RSP: 0018:ffffc90000007b58 EFLAGS: 00010246 RAX: ffffffff8174927a RBX: 00007780ffff0000 RCX: ffffffff8de950c0 RDX: 0000000000000100 RSI: 000000017fff0000 RDI: 00007780ffff0000 RBP: ffffc90000007e30 R08: 0000000000000000 R09: ffffffff81a7f5d4 R10: dffffc0000000000 R11: ffffffff89f87740 R12: ffffffff89f87740 R13: ffffffff81a7f5d4 R14: 000000017fff0000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888125c80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fae5fed9e9c CR3: 000000000df38000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: 53 push %rbx 1: e8 02 00 cc cc call 0xcccc0008 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 13 6f 18 00 verw 0x186f13(%rip) # 0x186f37 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