Unable to handle kernel paging request at virtual address ffff700031480000 KASAN: maybe wild-memory-access in range [0xffff80018a400000-0xffff80018a400007] 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=000000020dfa8000 [ffff700031480000] pgd=000000023ea48003, p4d=000000023ea48003, pud=000000023ea47003, pmd=0000000000000000 Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 5899 Comm: syz.0.362 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 : ffff800008007330 x29: ffff800008007380 x28: dfff800000000000 x27: 0000000000000001 x26: 0000000080000000 x25: ffff0000cc614800 x24: ffff0000c4075a20 x23: 0000000000000000 x22: ffff80018a400000 x21: ffff0000d7e5a000 x20: 0000000000000000 x19: 0000000000000000 x18: ffff800011b7bf60 x17: ffff800018338000 x16: ffff8000082d7e60 x15: 0000000000000000 x14: 0000000000000005 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff00800010481b38 x10: 0000000000000000 x9 : ffff80018a400000 x8 : 1ffff00031480000 x7 : ffff8000105cc7c4 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] icmp_route_lookup+0x54c/0x808 net/ipv4/icmp.c:543 __icmp_send+0xaf0/0x105c net/ipv4/icmp.c:748 ipv4_send_dest_unreach net/ipv4/route.c:1263 [inline] ipv4_link_failure+0x548/0x8dc net/ipv4/route.c:1270 dst_link_failure include/net/dst.h:423 [inline] arp_error_report+0x11c/0x16c net/ipv4/arp.c:296 neigh_invalidate+0x29c/0x4ac net/core/neighbour.c:1064 neigh_timer_handler+0x704/0xe0c net/core/neighbour.c:1151 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 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] _raw_spin_unlock_irqrestore+0x58/0xac kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] __wake_up_common_lock kernel/sched/wait.c:140 [inline] __wake_up_sync_key+0x11c/0x180 kernel/sched/wait.c:208 __unix_dgram_recvmsg+0x38c/0xb04 net/unix/af_unix.c:2478 unix_dgram_recvmsg+0xd0/0xe8 net/unix/af_unix.c:2548 sock_recvmsg_nosec net/socket.c:1022 [inline] ____sys_recvmsg+0x678/0x768 net/socket.c:2735 ___sys_recvmsg net/socket.c:2779 [inline] do_recvmmsg+0x388/0xa0c net/socket.c:2873 __sys_recvmmsg net/socket.c:2952 [inline] __do_sys_recvmmsg net/socket.c:2975 [inline] __se_sys_recvmmsg net/socket.c:2968 [inline] __arm64_sys_recvmmsg+0x17c/0x23c net/socket.c:2968 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 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