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: 1 PID: 1614 Comm: kworker/u4:4 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: krdsd rds_connect_worker pstate: 82400005 (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 : ffff8000258c7370 x29: ffff8000258c73c0 x28: dfff800000000000 x27: 0000000000000001 x26: 0000000080000000 x25: ffff0000d8b55000 x24: ffff0000d1689620 x23: 0000000000000000 x22: ffff80018a400000 x21: ffff0000da2e2000 x20: 0000000000000000 x19: 0000000000000000 x18: ffff800011b7bf60 x17: 1fffe00033eaab7e x16: ffff8000082d7e60 x15: 0000000000000000 x14: 0000000000000005 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff00800010481b38 x10: 0000000000000000 x9 : ffff80018a400000 x8 : 1ffff00031480000 x7 : ffff800010485fc0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : ffff0000d327f3d0 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_connect include/net/route.h:331 [inline] tcp_v4_connect+0x578/0x1430 net/ipv4/tcp_ipv4.c:243 __inet_stream_connect+0x1f4/0xc3c net/ipv4/af_inet.c:668 inet_stream_connect+0x74/0xb0 net/ipv4/af_inet.c:739 kernel_connect+0x124/0x190 net/socket.c:3554 rds_tcp_conn_path_connect+0x468/0x5b4 net/rds/tcp_connect.c:176 rds_connect_worker+0x1e0/0x31c net/rds/threads.c:176 process_one_work+0x7f8/0x13a4 kernel/workqueue.c:2292 worker_thread+0x8c4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 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