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BUG: KASAN: slab-out-of-bounds in copy_array+0x96/0x100 kernel/bpf/verifier.c:1072
Write of size 80 at addr ffff8880263c7a80 by task syz-executor.2/14465

CPU: 1 PID: 14465 Comm: syz-executor.2 Not tainted 6.1.0-syzkaller-14011-gd75858ef108c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:306 [inline]
 print_report+0x15e/0x45d mm/kasan/report.c:417
 kasan_report+0xbf/0x1f0 mm/kasan/report.c:517
 check_region_inline mm/kasan/generic.c:183 [inline]
 kasan_check_range+0x141/0x190 mm/kasan/generic.c:189
 memcpy+0x3d/0x60 mm/kasan/shadow.c:66
 copy_array+0x96/0x100 kernel/bpf/verifier.c:1072
 copy_verifier_state+0xa9/0xc60 kernel/bpf/verifier.c:1250
 pop_stack+0x8c/0x2f0 kernel/bpf/verifier.c:1314
 do_check kernel/bpf/verifier.c:14042 [inline]
 do_check_common+0x5663/0xbca0 kernel/bpf/verifier.c:16300
 do_check_main kernel/bpf/verifier.c:16363 [inline]
 bpf_check+0x7348/0xacc0 kernel/bpf/verifier.c:16947
 bpf_prog_load+0x1543/0x2230 kernel/bpf/syscall.c:2619
 __sys_bpf+0x1435/0x5000 kernel/bpf/syscall.c:4979
 __do_sys_bpf kernel/bpf/syscall.c:5083 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5081 [inline]
 __x64_sys_bpf+0x79/0xc0 kernel/bpf/syscall.c:5081
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb8b2a8c0c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb8b37de168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fb8b2babf80 RCX: 00007fb8b2a8c0c9
RDX: 0000000000000048 RSI: 0000000020000200 RDI: 0000000000000005
RBP: 00007fb8b2ae7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe31786a6f R14: 00007fb8b37de300 R15: 0000000000022000
 </TASK>

Allocated by task 14465:
 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
 kasan_set_track+0x25/0x30 mm/kasan/common.c:52
 ____kasan_kmalloc mm/kasan/common.c:371 [inline]
 ____kasan_kmalloc mm/kasan/common.c:330 [inline]
 __kasan_krealloc+0x145/0x180 mm/kasan/common.c:439
 kasan_krealloc include/linux/kasan.h:231 [inline]
 __do_krealloc mm/slab_common.c:1361 [inline]
 krealloc+0xa8/0x100 mm/slab_common.c:1398
 push_jmp_history+0x13e/0x330 kernel/bpf/verifier.c:2596
 is_state_visited kernel/bpf/verifier.c:13563 [inline]
 do_check kernel/bpf/verifier.c:13763 [inline]
 do_check_common+0x50e5/0xbca0 kernel/bpf/verifier.c:16300
 do_check_main kernel/bpf/verifier.c:16363 [inline]
 bpf_check+0x7348/0xacc0 kernel/bpf/verifier.c:16947
 bpf_prog_load+0x1543/0x2230 kernel/bpf/syscall.c:2619
 __sys_bpf+0x1435/0x5000 kernel/bpf/syscall.c:4979
 __do_sys_bpf kernel/bpf/syscall.c:5083 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5081 [inline]
 __x64_sys_bpf+0x79/0xc0 kernel/bpf/syscall.c:5081
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Last potentially related work creation:
 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:488
 kvfree_call_rcu+0x78/0x8f0 kernel/rcu/tree.c:3376
 cfg80211_update_known_bss+0x827/0xa70 net/wireless/scan.c:1681
 cfg80211_bss_update+0xf3/0x21b0 net/wireless/scan.c:1728
 cfg80211_inform_single_bss_frame_data+0x761/0xfc0 net/wireless/scan.c:2492
 cfg80211_inform_bss_frame_data+0xc3/0xc80 net/wireless/scan.c:2525
 ieee80211_bss_info_update+0x35c/0xaf0 net/mac80211/scan.c:190
 ieee80211_rx_bss_info net/mac80211/ibss.c:1120 [inline]
 ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline]
 ieee80211_ibss_rx_queued_mgmt+0x19fc/0x3160 net/mac80211/ibss.c:1638
 ieee80211_iface_process_skb net/mac80211/iface.c:1581 [inline]
 ieee80211_iface_work+0xa4d/0xd70 net/mac80211/iface.c:1635
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

Second to last potentially related work creation:
 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:488
 kvfree_call_rcu+0x78/0x8f0 kernel/rcu/tree.c:3376
 cfg80211_update_known_bss+0x827/0xa70 net/wireless/scan.c:1681
 cfg80211_bss_update+0xf3/0x21b0 net/wireless/scan.c:1728
 cfg80211_inform_single_bss_frame_data+0x761/0xfc0 net/wireless/scan.c:2492
 cfg80211_inform_bss_frame_data+0xc3/0xc80 net/wireless/scan.c:2525
 ieee80211_bss_info_update+0x35c/0xaf0 net/mac80211/scan.c:190
 ieee80211_rx_bss_info net/mac80211/ibss.c:1120 [inline]
 ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline]
 ieee80211_ibss_rx_queued_mgmt+0x19fc/0x3160 net/mac80211/ibss.c:1638
 ieee80211_iface_process_skb net/mac80211/iface.c:1581 [inline]
 ieee80211_iface_work+0xa4d/0xd70 net/mac80211/iface.c:1635
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

The buggy address belongs to the object at ffff8880263c7a80
 which belongs to the cache kmalloc-96 of size 96
The buggy address is located 0 bytes inside of
 96-byte region [ffff8880263c7a80, ffff8880263c7ae0)

The buggy address belongs to the physical page:
page:ffffea000098f1c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x263c7
flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000200 ffff888012441780 dead000000000100 dead000000000122
raw: 0000000000000000 0000000080200020 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY), pid 5172, tgid 5172 (kworker/0:5), ts 145087907844, free_ts 144994545122
 prep_new_page mm/page_alloc.c:2531 [inline]
 get_page_from_freelist+0x119c/0x2ce0 mm/page_alloc.c:4283
 __alloc_pages+0x1cb/0x5b0 mm/page_alloc.c:5549
 alloc_pages+0x1aa/0x270 mm/mempolicy.c:2285
 alloc_slab_page mm/slub.c:1851 [inline]
 allocate_slab+0x25f/0x350 mm/slub.c:1998
 new_slab mm/slub.c:2051 [inline]
 ___slab_alloc+0xa91/0x1400 mm/slub.c:3193
 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3292
 __slab_alloc_node mm/slub.c:3345 [inline]
 slab_alloc_node mm/slub.c:3442 [inline]
 __kmem_cache_alloc_node+0x1a4/0x430 mm/slub.c:3491
 kmalloc_trace+0x26/0x60 mm/slab_common.c:1062
 kmalloc include/linux/slab.h:580 [inline]
 dst_cow_metrics_generic+0x4c/0x1f0 net/core/dst.c:199
 dst_metrics_write_ptr include/net/dst.h:119 [inline]
 dst_metric_set include/net/dst.h:180 [inline]
 icmp6_dst_alloc+0x4c4/0x680 net/ipv6/route.c:3274
 mld_sendpack+0x5de/0xe70 net/ipv6/mcast.c:1809
 mld_send_initial_cr.part.0+0x194/0x230 net/ipv6/mcast.c:2239
 mld_send_initial_cr net/ipv6/mcast.c:1232 [inline]
 mld_dad_work+0x1d7/0x680 net/ipv6/mcast.c:2262
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1446 [inline]
 free_pcp_prepare+0x65c/0xc00 mm/page_alloc.c:1496
 free_unref_page_prepare mm/page_alloc.c:3369 [inline]
 free_unref_page+0x1d/0x490 mm/page_alloc.c:3464
 __unfreeze_partials+0x17c/0x1a0 mm/slub.c:2637
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x192/0x220 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x66/0x90 mm/kasan/common.c:302
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slab.h:761 [inline]
 slab_alloc_node mm/slub.c:3452 [inline]
 kmem_cache_alloc_node+0x1f1/0x460 mm/slub.c:3497
 __alloc_skb+0x216/0x310 net/core/skbuff.c:552
 alloc_skb include/linux/skbuff.h:1270 [inline]
 alloc_skb_with_frags+0x97/0x6c0 net/core/skbuff.c:6195
 sock_alloc_send_pskb+0x7a7/0x930 net/core/sock.c:2741
 sock_alloc_send_skb include/net/sock.h:1888 [inline]
 mld_newpack.isra.0+0x1b9/0x770 net/ipv6/mcast.c:1748
 add_grhead+0x295/0x340 net/ipv6/mcast.c:1851
 add_grec+0x1082/0x1560 net/ipv6/mcast.c:1989
 mld_send_initial_cr.part.0+0xf6/0x230 net/ipv6/mcast.c:2236
 mld_send_initial_cr net/ipv6/mcast.c:1232 [inline]
 ipv6_mc_dad_complete+0x1d4/0x680 net/ipv6/mcast.c:2247
 addrconf_dad_completed+0xa01/0xda0 net/ipv6/addrconf.c:4228

Memory state around the buggy address:
 ffff8880263c7980: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc
 ffff8880263c7a00: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc
>ffff8880263c7a80: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                         ^
 ffff8880263c7b00: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc
 ffff8880263c7b80: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
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