------------[ cut here ]------------ WARNING: CPU: 1 PID: 12496 at include/net/ip6_fib.h:332 fib6_info_release include/net/ip6_fib.h:332 [inline] WARNING: CPU: 1 PID: 12496 at include/net/ip6_fib.h:332 ip6_route_add+0x1c8/0x1f0 net/ipv6/route.c:3848 Modules linked in: CPU: 1 PID: 12496 Comm: syz-executor.5 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:fib6_info_release include/net/ip6_fib.h:332 [inline] RIP: 0010:ip6_route_add+0x1c8/0x1f0 net/ipv6/route.c:3848 Code: 4c 89 ef e8 ca 33 2b fb e9 4f ff ff ff e8 70 a4 50 f8 41 89 dc e9 42 ff ff ff e8 63 85 a7 f8 e9 78 ff ff ff e8 59 a4 50 f8 90 <0f> 0b 90 eb 83 e8 4e a4 50 f8 90 0f 0b 90 eb 9f 48 89 df e8 60 85 RSP: 0018:ffffc90017c479e0 EFLAGS: 00010283 RAX: 0000000000002ae0 RBX: ffff8880355dc400 RCX: ffffc9000c19b000 RDX: 0000000000040000 RSI: ffffffff8936edf7 RDI: 0000000000000005 RBP: 0000000000400000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000400000 R11: 0000000000000001 R12: 00000000ffffffef R13: ffff8880355dc42c R14: ffff88801faac818 R15: 0000000000000000 FS: 00007f9ea2b886c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa7f6effd83 CR3: 0000000082bdd000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ipv6_route_ioctl+0x3ff/0x590 net/ipv6/route.c:4467 inet6_ioctl+0x265/0x2b0 net/ipv6/af_inet6.c:575 sock_do_ioctl+0x113/0x270 net/socket.c:1220 sock_ioctl+0x22e/0x6b0 net/socket.c:1339 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f9ea1e7cba9 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:00007f9ea2b880c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9ea1f9c1f0 RCX: 00007f9ea1e7cba9 RDX: 00000000200003c0 RSI: 000000000000890b RDI: 0000000000000009 RBP: 00007f9ea1ec847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f9ea1f9c1f0 R15: 00007ffd5d85e078