------------[ cut here ]------------
refcount_t: decrement hit 0; leaking memory.
WARNING: CPU: 1 PID: 22940 at lib/refcount.c:31 refcount_warn_saturate+0x1d7/0x1f0 lib/refcount.c:31
Modules linked in:
CPU: 1 PID: 22940 Comm: syz-executor.5 Not tainted 6.4.0-rc6-syzkaller-01311-gb650d953cd39 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:refcount_warn_saturate+0x1d7/0x1f0 lib/refcount.c:31
Code: 05 b0 85 51 0a 01 e8 88 7f 38 fd 0f 0b e9 d3 fe ff ff e8 2c c4 70 fd 48 c7 c7 00 da a6 8a c6 05 8d 85 51 0a 01 e8 69 7f 38 fd <0f> 0b e9 b4 fe ff ff 48 89 ef e8 5a c2 c3 fd e9 5c fe ff ff 0f 1f
RSP: 0018:ffffc900078176b8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc90015dd9000
RDX: 0000000000040000 RSI: ffffffff814c03b7 RDI: 0000000000000001
RBP: ffff8880371965fc R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 000000000001dd28 R12: 1ffff92000f02edc
R13: 00000000ffffffef R14: ffff8880371965fc R15: ffff888036a475a8
FS:  00007f11ae27e700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2df22000 CR3: 000000002b564000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __refcount_dec include/linux/refcount.h:344 [inline]
 refcount_dec include/linux/refcount.h:359 [inline]
 ref_tracker_free+0x539/0x820 lib/ref_tracker.c:236
 netdev_tracker_free include/linux/netdevice.h:4097 [inline]
 netdev_put include/linux/netdevice.h:4114 [inline]
 netdev_put include/linux/netdevice.h:4110 [inline]
 fib6_nh_init+0xb96/0x1bd0 net/ipv6/route.c:3624
 ip6_route_info_create+0x10f3/0x1980 net/ipv6/route.c:3791
 ip6_route_add+0x28/0x150 net/ipv6/route.c:3835
 ipv6_route_ioctl+0x3fc/0x570 net/ipv6/route.c:4459
 inet6_ioctl+0x246/0x290 net/ipv6/af_inet6.c:569
 sock_do_ioctl+0xcc/0x230 net/socket.c:1189
 sock_ioctl+0x1f8/0x680 net/socket.c:1306
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f11ad48c389
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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:00007f11ae27e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f11ad5abf80 RCX: 00007f11ad48c389
RDX: 0000000020000140 RSI: 000000000000890b RDI: 0000000000000003
RBP: 00007f11ad4d7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd76b34c4f R14: 00007f11ae27e300 R15: 0000000000022000
 </TASK>