------------[ cut here ]------------ WARNING: CPU: 0 PID: 1861 at include/net/ip6_fib.h:332 fib6_info_release include/net/ip6_fib.h:332 [inline] WARNING: CPU: 0 PID: 1861 at include/net/ip6_fib.h:332 ip6_route_info_create+0x615/0x6e0 net/ipv6/route.c:3829 Modules linked in: CPU: 0 PID: 1861 Comm: syz-executor.0 Not tainted 6.7.0-rc3-syzkaller #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_info_create+0x615/0x6e0 net/ipv6/route.c:3829 Code: 49 83 7a 40 00 75 28 49 8d ba a0 00 00 00 48 c7 c6 b0 36 a3 81 48 89 54 24 20 e8 96 8b 6d ff 48 8b 54 24 20 e9 ed fc ff ff 90 <0f> 0b 90 eb d1 90 0f 0b 90 eb d2 49 8b 16 31 c9 4c 89 ef 4c 89 54 RSP: 0018:ffffc900019f7be0 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000cc0 RDX: ffffffffffffffed RSI: ffffffff820ea31b RDI: ffff8881066c402c RBP: ffffc900019f7c30 R08: 0000000000000000 R09: 00000000ffffffff R10: ffff8881066c4000 R11: 0000000000000001 R12: 0000000000000cc0 R13: ffff8881017a8000 R14: ffff8881066c40b8 R15: ffffc900019f7c98 FS: 00007f6ccddb06c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200001c0 CR3: 0000000106aa0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ip6_route_add+0x17/0xd0 net/ipv6/route.c:3843 ipv6_route_ioctl+0x156/0x1b0 net/ipv6/route.c:4467 inet6_ioctl+0x157/0x170 net/ipv6/af_inet6.c:575 sock_do_ioctl+0x71/0x110 net/socket.c:1220 sock_ioctl+0x1c3/0x310 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+0x8b/0xc0 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x40/0xe0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f6cce22dae9 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:00007f6ccddb00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f6cce34cf80 RCX: 00007f6cce22dae9 RDX: 00000000200001c0 RSI: 000000000000890b RDI: 0000000000000003 RBP: 00007f6cce27947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007f6cce34cf80 R15: 00007ffc1682ff88