Unable to handle kernel paging request at virtual address ffff70003147fe00 KASAN: maybe wild-memory-access in range [0xffff80018a3ff000-0xffff80018a3ff007] Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 swapper pgtable: 4k pages, 48-bit VAs, pgdp=000000020dfb9000 [ffff70003147fe00] pgd=000000023ea48003, p4d=000000023ea48003, pud=000000023ea47003, pmd=0000000000000000 Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 3936 Comm: udevd Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 42400005 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __mkroute_output net/ipv4/route.c:2622 [inline] pc : ip_route_output_key_hash_rcu+0xe38/0x1e38 net/ipv4/route.c:2850 lr : __mkroute_output net/ipv4/route.c:2613 [inline] lr : ip_route_output_key_hash_rcu+0xdb8/0x1e38 net/ipv4/route.c:2850 sp : ffff800008016ed0 x29: ffff800008016f20 x28: dfff800000000000 x27: 0000000000000001 x26: 0000000080000000 x25: ffff0000d0c79000 x24: ffff0000f383c220 x23: 0000000000000000 x22: ffff80018a3ff000 x21: ffff0000d0c8a000 x20: 0000000000000000 x19: 0000000000000000 x18: ffff800011b8bf60 x17: 0000000000000000 x16: ffff8000082d7e60 x15: 0000000000000000 x14: 0000000000000005 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff008000104874c8 x10: 0000000000000000 x9 : ffff80018a3ff000 x8 : 1ffff0003147fe00 x7 : ffff8000105d2154 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __mkroute_output net/ipv4/route.c:2622 [inline] ip_route_output_key_hash_rcu+0xe38/0x1e38 net/ipv4/route.c:2850 ip_route_output_key_hash+0x1b0/0x300 net/ipv4/route.c:2679 __ip_route_output_key include/net/route.h:137 [inline] ip_route_output_flow+0x3c/0x160 net/ipv4/route.c:2909 ip_route_output_key include/net/route.h:153 [inline] ip_tunnel_xmit+0x770/0x20a4 net/ipv4/ip_tunnel.c:780 __gre_xmit net/ipv4/ip_gre.c:474 [inline] ipgre_xmit+0x694/0xa10 net/ipv4/ip_gre.c:669 __netdev_start_xmit include/linux/netdevice.h:4896 [inline] netdev_start_xmit include/linux/netdevice.h:4910 [inline] xmit_one net/core/dev.c:3683 [inline] dev_hard_start_xmit+0x234/0x8cc net/core/dev.c:3699 __dev_queue_xmit+0x1594/0x3134 net/core/dev.c:4359 dev_queue_xmit include/linux/netdevice.h:3051 [inline] neigh_connected_output+0x358/0x3e8 net/core/neighbour.c:1597 neigh_output include/net/neighbour.h:545 [inline] ip6_finish_output2+0xd5c/0x1840 net/ipv6/ip6_output.c:138 __ip6_finish_output net/ipv6/ip6_output.c:205 [inline] ip6_finish_output+0x594/0x92c net/ipv6/ip6_output.c:216 NF_HOOK_COND include/linux/netfilter.h:291 [inline] ip6_output+0x274/0x500 net/ipv6/ip6_output.c:237 dst_output include/net/dst.h:453 [inline] NF_HOOK include/linux/netfilter.h:302 [inline] ndisc_send_skb+0xc30/0x164c net/ipv6/ndisc.c:513 ndisc_send_rs+0x37c/0x518 net/ipv6/ndisc.c:723 addrconf_rs_timer+0x23c/0x54c net/ipv6/addrconf.c:3979 call_timer_fn+0x1b8/0x95c kernel/time/timer.c:1701 expire_timers kernel/time/timer.c:1752 [inline] __run_timers+0x478/0x6f0 kernel/time/timer.c:2023 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:2036 handle_softirqs+0x318/0xc60 kernel/softirq.c:596 __do_softirq+0x14/0x20 kernel/softirq.c:630 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:897 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85 invoke_softirq kernel/softirq.c:477 [inline] __irq_exit_rcu+0x23c/0x438 kernel/softirq.c:679 irq_exit_rcu+0x14/0x84 kernel/softirq.c:691 __el1_irq arch/arm64/kernel/entry-common.c:472 [inline] el1_interrupt+0x38/0x54 arch/arm64/kernel/entry-common.c:486 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:581 rcu_is_watching+0xd8/0x134 kernel/rcu/tree.c:722 trace_lock_acquire include/trace/events/lock.h:24 [inline] lock_acquire+0xe0/0x63c kernel/locking/lockdep.c:5633 __might_fault+0xc4/0x124 mm/memory.c:5850 rseq_update_cpu_id kernel/rseq.c:93 [inline] __rseq_handle_notify_resume+0x404/0x1654 kernel/rseq.c:326 rseq_handle_notify_resume include/linux/sched.h:2334 [inline] resume_user_mode_work include/linux/resume_user_mode.h:61 [inline] do_notify_resume+0x1a00/0x2aa4 arch/arm64/kernel/signal.c:1151 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x98/0x128 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: d538d089 8b080136 d343fec8 aa1703f4 (387c6908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: d538d089 mrs x9, tpidr_el1 4: 8b080136 add x22, x9, x8 8: d343fec8 lsr x8, x22, #3 c: aa1703f4 mov x20, x23 * 10: 387c6908 ldrb w8, [x8, x28] <-- trapping instruction