RAX: ffffffffffffffda RBX: 00007f0ab0fb9f80 RCX: 00007f0ab0e9aba9 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007f0aaf41c120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007f0ab0fb9f80 R15: 00007ffeda1cbcb8 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 28052 at net/ipv6/ip6_fib.c:1506 fib6_add+0x318e/0x3c80 Modules linked in: CPU: 1 PID: 28052 Comm: syz-executor.0 Not tainted 5.15.142-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:fib6_add+0x318e/0x3c80 net/ipv6/ip6_fib.c:1506 Code: 8b 94 24 80 00 00 00 e8 a0 1e 00 00 48 85 c0 74 14 49 89 c6 e8 23 44 82 f8 eb 5b e8 1c 44 82 f8 e9 c9 00 00 00 e8 12 44 82 f8 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 38 80 3c 01 00 74 RSP: 0018:ffffc90002e56dc0 EFLAGS: 00010246 RAX: ffffffff88fde1be RBX: ffffc90002e572e0 RCX: 0000000000040000 RDX: ffffc90012062000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc90002e56fe0 R08: ffffffff88fe02af R09: ffffed101158b086 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801b15c420 R13: 1ffff1100362b884 R14: ffff88808ac58400 R15: 00000000ffffffff FS: 00007f0aaf41c6c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555629f938 CR3: 0000000027438000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: __ip6_ins_rt net/ipv6/route.c:1302 [inline] ip6_route_add+0x84/0x120 net/ipv6/route.c:3872 inet6_rtm_newroute+0x2d0/0x2200 net/ipv6/route.c:5527 rtnetlink_rcv_msg+0x993/0xee0 net/core/rtnetlink.c:5630 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2505 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x7b6/0x980 net/netlink/af_netlink.c:1356 netlink_sendmsg+0xa30/0xd60 net/netlink/af_netlink.c:1924 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2429 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2483 __sys_sendmsg net/socket.c:2512 [inline] __do_sys_sendmsg net/socket.c:2521 [inline] __se_sys_sendmsg+0x19a/0x260 net/socket.c:2519 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f0ab0e9aba9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0aaf41c0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f0ab0fb9f80 RCX: 00007f0ab0e9aba9 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007f0aaf41c120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007f0ab0fb9f80 R15: 00007ffeda1cbcb8