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BUG: KFENCE: use-after-free read in __xfrm_state_lookup+0x319/0x8d0

Use-after-free read at 0xffff8881365c4d42 (in kfence-#225):
 __xfrm_state_lookup+0x319/0x8d0
 xfrm_state_lookup+0x11e/0x1e0
 xfrm_get_ae+0x19b/0x5d0
 xfrm_user_rcv_msg+0x7a3/0xab0
 netlink_rcv_skb+0x208/0x470
 xfrm_netlink_rcv+0x79/0x90
 netlink_unicast+0x82f/0x9e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 ____sys_sendmsg+0x505/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

kfence-#225: 0xffff8881365c4f00-0xffff8881365c4fef, size=240, cache=skbuff_head_cache

allocated by task 10546 on cpu 1 at 148.792636s (4.612549s ago):
 bpf_test_run_xdp_live+0x15f1/0x1b10
 bpf_prog_test_run_xdp+0x713/0x1000
 bpf_prog_test_run+0x2c7/0x340
 __sys_bpf+0x581/0x870
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

freed by task 10546 on cpu 1 at 148.793022s (4.630775s ago):
 ip6_parse_tlv+0x19fc/0x1e60
 ipv6_parse_hopopts+0x308/0x600
 ip6_rcv_core+0xfd1/0x1590
 ipv6_list_rcv+0x233/0x430
 __netif_receive_skb_list_core+0x5f4/0x800
 netif_receive_skb_list_internal+0x975/0xcc0
 netif_receive_skb_list+0x54/0x450
 bpf_test_run_xdp_live+0x1786/0x1b10
 bpf_prog_test_run_xdp+0x713/0x1000
 bpf_prog_test_run+0x2c7/0x340
 __sys_bpf+0x581/0x870
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 1 UID: 0 PID: 10844 Comm: syz.2.2088 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__xfrm_state_lookup+0x319/0x8d0
Code: 30 48 89 4c 24 38 48 c1 e9 03 48 89 4c 24 50 4c 8d b3 42 01 00 00 4c 89 f0 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 7c 03 00 00 <45> 0f b7 36 44 89 f7 44 89 ee e8 38 bf 9e f7 66 45 39 ee 0f 85 2f
RSP: 0018:ffffc900033ef120 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8881365c4c00 RCX: 1ffff1102244b8e3
RDX: ffff88802092b980 RSI: 0000000000000002 RDI: 000000000000000a
RBP: ffffc900033ef220 R08: ffff88802092b980 R09: 0000000000000002
R10: 000000000000000a R11: 0000000000000002 R12: dffffc0000000000
R13: 0000000000000002 R14: ffff8881365c4d42 R15: 00000000d6040000
FS:  00007f155639a6c0(0000) GS:ffff8881a3c15000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8881365c4d42 CR3: 0000000022dbe000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 xfrm_state_lookup+0x11e/0x1e0
 xfrm_get_ae+0x19b/0x5d0
 xfrm_user_rcv_msg+0x7a3/0xab0
 netlink_rcv_skb+0x208/0x470
 xfrm_netlink_rcv+0x79/0x90
 netlink_unicast+0x82f/0x9e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 ____sys_sendmsg+0x505/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f155558ec29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f155639a038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f15557d5fa0 RCX: 00007f155558ec29
RDX: 0000000000000804 RSI: 00002000000001c0 RDI: 0000000000000003
RBP: 00007f1555611e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f15557d6038 R14: 00007f15557d5fa0 R15: 00007fff705bc1f8
 </TASK>
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