el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 20848 at net/ipv6/ip6_fib.c:1506 fib6_add+0x26fc/0x3400 Modules linked in: CPU: 1 PID: 20848 Comm: syz-executor.1 Not tainted 5.15.118-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : fib6_add+0x26fc/0x3400 lr : fib6_add+0x26fc/0x3400 sp : ffff80001ec57500 x29: ffff80001ec576e0 x28: ffff000123a6d800 x27: ffff80001ec57850 x26: 00000000ffffffff x25: ffff700003d8aec4 x24: ffff0000cfffb200 x23: 0000000000000000 x22: 0000000000000002 x21: ffff0000cb994620 x20: dfff800000000000 x19: 0000000000000000 x18: 0000000000000202 x17: ff80800008335ea8 x16: ffff8000084c316c x15: ffff800008335ea8 x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000000dd81 x10: ffff80001e68a000 x9 : ffff8000108e5500 x8 : 000000000000dd82 x7 : 0000000000000000 x6 : 0000000000000001 x5 : ffff80001ec56858 x4 : 0000000000000100 x3 : ffff8000108e50b4 x2 : ffff0000cb994600 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: fib6_add+0x26fc/0x3400 __ip6_ins_rt net/ipv6/route.c:1302 [inline] ip6_route_add+0x94/0x17c net/ipv6/route.c:3872 ipv6_route_ioctl+0x3fc/0x670 net/ipv6/route.c:4492 inet6_ioctl+0x2f8/0x380 net/ipv6/af_inet6.c:580 sock_do_ioctl+0x134/0x2dc net/socket.c:1121 sock_ioctl+0x4f0/0x8ac net/socket.c:1238 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:860 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 695 hardirqs last enabled at (694): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline] hardirqs last enabled at (694): [] exit_to_kernel_mode+0x100/0x178 arch/arm64/kernel/entry-common.c:91 hardirqs last disabled at (695): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (600): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (680): [] spin_lock_bh include/linux/spinlock.h:368 [inline] softirqs last disabled at (680): [] __ip6_ins_rt net/ipv6/route.c:1301 [inline] softirqs last disabled at (680): [] ip6_route_add+0x80/0x17c net/ipv6/route.c:3872 ---[ end trace 0a3010e590ca5df0 ]---