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BUG: KASAN: invalid-access in __xfrm_state_lookup_all net/xfrm/xfrm_state.c:1142 [inline]
BUG: KASAN: invalid-access in xfrm_state_find+0x328/0x16a0 net/xfrm/xfrm_state.c:1494
Read at addr f6f0000017ea1308 by task syz.2.5400/18838
Pointer tag: [f6], memory tag: [f8]

CPU: 1 UID: 0 PID: 18838 Comm: syz.2.5400 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
 __xfrm_state_lookup_all net/xfrm/xfrm_state.c:1142 [inline] (P)
 xfrm_state_find+0x328/0x16a0 net/xfrm/xfrm_state.c:1494 (P)
 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2522 [inline]
 xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2573 [inline]
 xfrm_resolve_and_create_bundle+0x1b8/0x1014 net/xfrm/xfrm_policy.c:2871
 xfrm_lookup_with_ifid+0xf8/0xba0 net/xfrm/xfrm_policy.c:3205
 xfrm_lookup net/xfrm/xfrm_policy.c:3336 [inline]
 xfrm_lookup_route+0x28/0xb8 net/xfrm/xfrm_policy.c:3347
 ip_route_output_flow+0xd4/0xe0 net/ipv4/route.c:2934
 udp_sendmsg+0x6e0/0xaa0 net/ipv4/udp.c:1450
 inet_sendmsg+0x44/0x70 net/ipv4/af_inet.c:851
 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 fff0000017ea1040
 which belongs to the cache xfrm_state of size 824
The buggy address is located 712 bytes inside of
 824-byte region [fff0000017ea1040, fff0000017ea1378)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xf3f0000017ea1d40 pfn:0x57ea0
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 f8f000000311a700 dead000000000122 0000000000000000
raw: f3f0000017ea1d40 0000000080130010 00000000f5000000 0000000000000000
head: 01ffc00000000040 f8f000000311a700 dead000000000122 0000000000000000
head: f3f0000017ea1d40 0000000080130010 00000000f5000000 0000000000000000
head: 01ffc00000000002 ffffc1ffc05fa801 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 fff0000017ea1100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 fff0000017ea1200: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
>fff0000017ea1300: f8 f8 f8 f8 f8 f8 f8 f8 fb fb fb fb fb fb fb fb
                   ^
 fff0000017ea1400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 fff0000017ea1500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
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