el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 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:581
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4218 at net/ipv6/ip6_fib.c:1507 fib6_add+0x26a0/0x32f4
Modules linked in:
CPU: 0 PID: 4218 Comm: syz-executor235 Not tainted 6.1.35-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+0x26a0/0x32f4
lr : fib6_add+0x26a0/0x32f4
sp : ffff80001e027520
x29: ffff80001e027700 x28: ffff0000dd9a0400 x27: ffff80001e027870
x26: 00000000ffffffff x25: ffff700003c04ec8 x24: ffff0000d798cf00
x23: 0000000000000000 x22: 0000000000000002 x21: ffff0000d798cda0
x20: dfff800000000000 x19: 0000000000000000 x18: ffff80001e0267e0
x17: 0000000000000000 x16: ffff8000084fa400 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001
x11: ff80800010f82814 x10: 0000000000000000 x9 : ffff800010f82814
x8 : ffff0000db168000 x7 : 0000000000000001 x6 : 0000000000000001
x5 : 00000000ffffffff x4 : 0000000000000b20 x3 : ffff800010f823f0
x2 : ffff0000d798cd80 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 fib6_add+0x26a0/0x32f4
 __ip6_ins_rt net/ipv6/route.c:1302 [inline]
 ip6_route_add+0x94/0x168 net/ipv6/route.c:3847
 ipv6_route_ioctl+0x3fc/0x670 net/ipv6/route.c:4467
 inet6_ioctl+0x2d0/0x358 net/ipv6/af_inet6.c:585
 sock_do_ioctl+0x134/0x2dc net/socket.c:1174
 sock_ioctl+0x4ec/0x858 net/socket.c:1291
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 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:581
irq event stamp: 132167
hardirqs last  enabled at (132166): [<ffff8000121047b0>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (132166): [<ffff8000121047b0>] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (132167): [<ffff80001210239c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (132032): [<ffff800011628774>] l2tp_ip6_hash+0x124/0x180 net/l2tp/l2tp_ip6.c:217
softirqs last disabled at (132146): [<ffff800010f62d64>] spin_lock_bh include/linux/spinlock.h:355 [inline]
softirqs last disabled at (132146): [<ffff800010f62d64>] __ip6_ins_rt net/ipv6/route.c:1301 [inline]
softirqs last disabled at (132146): [<ffff800010f62d64>] ip6_route_add+0x80/0x168 net/ipv6/route.c:3847
---[ end trace 0000000000000000 ]---