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BUG: KASAN: slab-use-after-free in __xfrm_state_delete+0x696/0xca0
Write of size 8 at addr ffff888107281230 by task syz-executor/5825

CPU: 1 UID: 0 PID: 5825 Comm: syz-executor Not tainted 6.16.0-syzkaller-06588-g759dfc7d04ba #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <IRQ>
 dump_stack_lvl+0x189/0x250
 print_report+0xca/0x240
 kasan_report+0x118/0x150
 __xfrm_state_delete+0x696/0xca0
 xfrm_timer_handler+0x18f/0xa00
 __hrtimer_run_queues+0x52c/0xc60
 hrtimer_run_softirq+0x187/0x2b0
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:lock_release+0x4b/0x3e0
Code: 89 44 24 28 0f 1f 44 00 00 65 8b 05 f3 7e fc 10 83 f8 08 0f 83 9a 02 00 00 89 c0 48 0f a3 05 9c f9 02 0e 73 16 e8 b5 de 08 00 <84> c0 75 0d f6 05 89 e9 ec 0d 01 0f 84 ad 02 00 00 83 3d bd 2a 03
RSP: 0018:ffffc900035df2c8 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffffff822e0aba RCX: f0bbb155e2031900
RDX: 0000000000000000 RSI: ffffffff8be309e0 RDI: ffffffff8be309a0
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff822e0aba
R10: dffffc0000000000 R11: fffff940008c2481 R12: dffffc0000000000
R13: ffffffff822e0aba R14: ffffffff8e13c5a0 R15: ffff88805fffa860
 pfn_valid+0x3b2/0x490
 page_table_check_set+0x25/0x730
 copy_pmd_range+0x4262/0x7000
 copy_page_range+0xc46/0x1270
 dup_mmap+0xf57/0x1ac0
 copy_mm+0x13c/0x4b0
 copy_process+0x1706/0x3c00
 kernel_clone+0x21e/0x840
 __x64_sys_clone+0x18b/0x1e0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f66ae5853d3
Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffcac484698 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f66ae5853d3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001
R10: 0000555575d457d0 R11: 0000000000000246 R12: 0000000000000000
R13: 00000000000927c0 R14: 000000000001ff89 R15: 00007ffcac484830
 </TASK>

Allocated by task 7291:
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_noprof+0x1c1/0x3c0
 xfrm_state_alloc+0x24/0x2f0
 __find_acq_core+0x8a7/0x1c00
 xfrm_find_acq+0x78/0xa0
 xfrm_alloc_userspi+0x6b3/0xc90
 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

Freed by task 5873:
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x62/0x70
 kmem_cache_free+0x18f/0x400
 xfrm_state_gc_task+0x518/0x6a0
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30

The buggy address belongs to the object at ffff888107281200
 which belongs to the cache xfrm_state of size 928
The buggy address is located 48 bytes inside of
 freed 928-byte region [ffff888107281200, ffff8881072815a0)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888107280d80 pfn:0x107280
head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x57ff00000000040(head|node=1|zone=2|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 057ff00000000040 ffff8881055343c0 dead000000000122 0000000000000000
raw: ffff888107280d80 00000000800e000c 00000000f5000000 0000000000000000
head: 057ff00000000040 ffff8881055343c0 dead000000000122 0000000000000000
head: ffff888107280d80 00000000800e000c 00000000f5000000 0000000000000000
head: 057ff00000000002 ffffea00041ca001 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0x52820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 5951, tgid 5950 (syz.2.29), ts 57735896915, free_ts 57694204993
 post_alloc_hook+0x240/0x2a0
 get_page_from_freelist+0x21e4/0x22c0
 __alloc_frozen_pages_noprof+0x181/0x370
 alloc_pages_mpol+0x232/0x4a0
 allocate_slab+0x8a/0x3b0
 ___slab_alloc+0xbfc/0x1480
 kmem_cache_alloc_noprof+0x283/0x3c0
 xfrm_state_alloc+0x24/0x2f0
 xfrm_add_sa+0x17d1/0x4070
 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
page last free pid 12 tgid 12 stack trace:
 __free_frozen_pages+0xc71/0xe70
 stack_depot_save_flags+0x445/0x900
 kasan_save_track+0x4f/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_node_noprof+0x1bb/0x3c0
 __alloc_skb+0x112/0x2d0
 skb_copy+0x188/0x800
 mac80211_hwsim_tx_frame_no_nl+0xcd3/0x11c0
 mac80211_hwsim_tx+0x1855/0x25d0
 ieee80211_handle_wake_tx_queue+0x191/0x2a0
 ieee80211_queue_skb+0x1a31/0x21c0
 ieee80211_tx+0x297/0x420
 __ieee80211_subif_start_xmit+0xccf/0x1610
 ieee80211_subif_start_xmit+0xe0/0x510
 dev_hard_start_xmit+0x2d7/0x830
 __dev_queue_xmit+0x1b8d/0x3b50

Memory state around the buggy address:
 ffff888107281100: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888107281180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888107281200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                     ^
 ffff888107281280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888107281300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
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