RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb3ac971c39 RDX: 0000000020000000 RSI: 000000000000890b RDI: 0000000000000005 RBP: 00007fb3ac9f1440 R08: 00007fffbb6da927 R09: 00007fffbb6dacb8 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000031 R13: 0000000000000003 R14: 00007fffbb6dac10 R15: 00007fffbb6dabda ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3547 at net/ipv6/ip6_fib.c:1507 fib6_add+0x318e/0x3c80 Modules linked in: CPU: 1 PID: 3547 Comm: syz-executor388 Not tainted 6.1.56-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:fib6_add+0x318e/0x3c80 net/ipv6/ip6_fib.c:1507 Code: 8b 94 24 80 00 00 00 e8 a0 1e 00 00 48 85 c0 74 14 49 89 c6 e8 53 3c 3e f8 eb 5b e8 4c 3c 3e f8 e9 c9 00 00 00 e8 42 3c 3e 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:ffffc90003baf760 EFLAGS: 00010293 RAX: ffffffff894c34ae RBX: ffffc90003bafab0 RCX: ffff888021819dc0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90003baf980 R08: ffffffff894c55d5 R09: ffffed100ef8fd06 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888077a70420 R13: 1ffff1100ef4e084 R14: ffff888077c7e800 R15: 00000000ffffffff FS: 00005555557f1380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000340 CR3: 0000000077dce000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __ip6_ins_rt net/ipv6/route.c:1305 [inline] ip6_route_add+0x84/0x120 net/ipv6/route.c:3851 ipv6_route_ioctl+0x521/0x7b0 net/ipv6/route.c:4471 inet6_ioctl+0x1e1/0x240 net/ipv6/af_inet6.c:585 sock_do_ioctl+0x152/0x450 net/socket.c:1174 sock_ioctl+0x47f/0x770 net/socket.c:1291 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856 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+0x63/0xcd RIP: 0033:0x7fb3ac971c39 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffbb6dab88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb3ac971c39 RDX: 0000000020000000 RSI: 000000000000890b RDI: 0000000000000005 RBP: 00007fb3ac9f1440 R08: 00007fffbb6da927 R09: 00007fffbb6dacb8 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000031 R13: 0000000000000003 R14: 00007fffbb6dac10 R15: 00007fffbb6dabda