------------[ cut here ]------------ WARNING: CPU: 1 PID: 19593 at include/net/ip6_fib.h:332 fib6_info_release include/net/ip6_fib.h:332 [inline] WARNING: CPU: 1 PID: 19593 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 net/ipv6/route.c:3829 Modules linked in: CPU: 1 PID: 19593 Comm: syz-executor.0 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_info_create+0x1a1a/0x1f10 net/ipv6/route.c:3829 Code: 49 83 7f 40 00 75 28 e8 04 ae 50 f8 49 8d bf a0 00 00 00 48 c7 c6 c0 ae 37 89 e8 41 2c 3a f8 e9 65 f4 ff ff e8 e7 ad 50 f8 90 <0f> 0b 90 eb ad e8 dc ad 50 f8 90 0f 0b 90 eb cd e8 d1 ad 50 f8 e8 RSP: 0018:ffffc900032b78e0 EFLAGS: 00010287 RAX: 0000000000002677 RBX: 0000000000400000 RCX: ffffc90004611000 RDX: 0000000000040000 RSI: ffffffff8936e469 RDI: 0000000000000005 RBP: ffffc900032b79d0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c R13: ffff88803fdd102c R14: ffffc900032b7ac4 R15: ffff88803fdd1000 FS: 00007fb4f279e6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000300 CR3: 000000002aa95000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ip6_route_add+0x26/0x1f0 net/ipv6/route.c:3843 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: 0033:0x7fb4f1a7cba9 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:00007fb4f279e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fb4f1b9bf80 RCX: 00007fb4f1a7cba9 RDX: 0000000020000600 RSI: 000000000000890b RDI: 0000000000000003 RBP: 00007fb4f1ac847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fb4f1b9bf80 R15: 00007fff9c5e45f8