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BUG: KASAN: invalid-access in __hlist_del include/linux/list.h:981 [inline]
BUG: KASAN: invalid-access in hlist_del_rcu include/linux/rculist.h:560 [inline]
BUG: KASAN: invalid-access in __xfrm_state_delete+0x124/0x2b0 net/xfrm/xfrm_state.c:830
Write at addr f3f0000004b20030 by task syz.1.996/6194
Pointer tag: [f3], memory tag: [fe]

CPU: 1 UID: 0 PID: 6194 Comm: syz.1.996 Not tainted syzkaller #0 PREEMPT 
Hardware name: linux,dummy-virt (DT)
Call trace:
 show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x78/0x90 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x108/0x61c mm/kasan/report.c:482
 kasan_report+0x88/0xac mm/kasan/report.c:595
 report_tag_fault arch/arm64/mm/fault.c:326 [inline]
 do_tag_recovery arch/arm64/mm/fault.c:338 [inline]
 __do_kernel_fault+0x170/0x1c8 arch/arm64/mm/fault.c:380
 do_bad_area+0x68/0x78 arch/arm64/mm/fault.c:480
 do_tag_check_fault+0x34/0x44 arch/arm64/mm/fault.c:853
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:929
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:481
 el1h_64_sync_handler+0x50/0xac arch/arm64/kernel/entry-common.c:597
 el1h_64_sync+0x6c/0x70 arch/arm64/kernel/entry.S:591
 __hlist_del include/linux/list.h:981 [inline] (P)
 hlist_del_rcu include/linux/rculist.h:560 [inline] (P)
 __xfrm_state_delete+0x124/0x2b0 net/xfrm/xfrm_state.c:830 (P)
 xfrm_timer_handler+0x1d0/0x38c net/xfrm/xfrm_state.c:716
 __run_hrtimer kernel/time/hrtimer.c:1761 [inline]
 __hrtimer_run_queues+0x138/0x1bc kernel/time/hrtimer.c:1825
 hrtimer_run_softirq+0x6c/0xc4 kernel/time/hrtimer.c:1842
 handle_softirqs+0x108/0x240 kernel/softirq.c:579
 __do_softirq+0x14/0x20 kernel/softirq.c:613
 ____do_softirq+0x10/0x1c arch/arm64/kernel/irq.c:68
 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:891
 do_softirq_own_stack+0x1c/0x2c arch/arm64/kernel/irq.c:73
 invoke_softirq kernel/softirq.c:460 [inline]
 __irq_exit_rcu+0xd8/0x110 kernel/softirq.c:680
 irq_exit_rcu+0x10/0x1c kernel/softirq.c:696
 __el1_irq arch/arm64/kernel/entry-common.c:654 [inline]
 el1_interrupt+0x38/0x64 arch/arm64/kernel/entry-common.c:668
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:673
 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:592
 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P)
 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:48 [inline] (P)
 raw_spin_rq_unlock_irq kernel/sched/sched.h:1531 [inline] (P)
 finish_lock_switch kernel/sched/core.c:5105 [inline] (P)
 finish_task_switch.isra.0+0x74/0x220 kernel/sched/core.c:5223 (P)
 context_switch kernel/sched/core.c:5360 [inline]
 __schedule+0x3e4/0xa58 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 schedule+0x34/0x110 kernel/sched/core.c:7058
 schedule_timeout+0xec/0xf8 kernel/time/sleep_timeout.c:75
 unix_wait_for_peer+0xcc/0xd8 net/unix/af_unix.c:1639
 unix_dgram_sendmsg+0x734/0x7d0 net/unix/af_unix.c:2273
 sock_sendmsg_nosec net/socket.c:714 [inline]
 __sock_sendmsg+0x54/0x60 net/socket.c:729
 ____sys_sendmsg+0x190/0x29c net/socket.c:2614
 ___sys_sendmsg+0xac/0x100 net/socket.c:2668
 __sys_sendmmsg+0x104/0x258 net/socket.c:2757
 __do_sys_sendmmsg net/socket.c:2784 [inline]
 __se_sys_sendmmsg net/socket.c:2781 [inline]
 __arm64_sys_sendmmsg+0x28/0x38 net/socket.c:2781
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x48/0x110 arch/arm64/kernel/syscall.c:49
 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:151
 el0_svc+0x34/0x10c arch/arm64/kernel/entry-common.c:879
 el0t_64_sync_handler+0xa0/0xe4 arch/arm64/kernel/entry-common.c:898
 el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:596

The buggy address belongs to the object at fff0000004b20000
 which belongs to the cache xfrm_state of size 824
The buggy address is located 48 bytes inside of
 824-byte region [fff0000004b20000, fff0000004b20338)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x44b20
head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x1ffc00000000040(head|node=0|zone=0|lastcpupid=0x7ff|kasantag=0x0)
page_type: f5(slab)
raw: 01ffc00000000040 f3f00000032a8900 dead000000000122 0000000000000000
raw: 0000000000000000 0000000080130013 00000000f5000000 0000000000000000
head: 01ffc00000000040 f3f00000032a8900 dead000000000122 0000000000000000
head: 0000000000000000 0000000080130013 00000000f5000000 0000000000000000
head: 01ffc00000000002 ffffc1ffc012c801 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 fff0000004b1fe00: fc fc fc fc fc fc fc fc fe fe fe fe fe fe fe fe
 fff0000004b1ff00: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
>fff0000004b20000: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
                            ^
 fff0000004b20100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
 fff0000004b20200: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
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