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BUG: KASAN: slab-out-of-bounds in instrument_copy_to_user include/linux/instrumented.h:118 [inline]
BUG: KASAN: slab-out-of-bounds in _copy_to_user+0xe1/0x130 lib/usercopy.c:32
Read of size 42 at addr ffff88801e138280 by task syz-executor.0/13293

CPU: 1 PID: 13293 Comm: syz-executor.0 Not tainted 5.15.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106
 print_address_description+0x66/0x3e0 mm/kasan/report.c:256
 __kasan_report mm/kasan/report.c:442 [inline]
 kasan_report+0x19a/0x1f0 mm/kasan/report.c:459
 kasan_check_range+0x2b5/0x2f0 mm/kasan/generic.c:189
 instrument_copy_to_user include/linux/instrumented.h:118 [inline]
 _copy_to_user+0xe1/0x130 lib/usercopy.c:32
 copy_to_user include/linux/uaccess.h:200 [inline]
 __htab_map_lookup_and_delete_batch+0x1a63/0x2160 kernel/bpf/hashtab.c:1768
 bpf_map_do_batch+0x396/0x490
 __sys_bpf+0xde4/0x12c70
 __do_sys_bpf kernel/bpf/syscall.c:4691 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4689 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4689
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f3c57bd7739
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3c5512d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f3c57cdc038 RCX: 00007f3c57bd7739
RDX: 0000000000000038 RSI: 0000000020000040 RDI: 0000000000000019
RBP: 00007f3c57c31cc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3c57cdc038
R13: 00007ffe8c029f7f R14: 00007f3c5512d300 R15: 0000000000022000

Allocated by task 13293:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 ____kasan_kmalloc+0xdc/0x110 mm/kasan/common.c:513
 kasan_kmalloc include/linux/kasan.h:264 [inline]
 __kmalloc_node+0x288/0x400 mm/slub.c:4439
 kmalloc_node include/linux/slab.h:614 [inline]
 kvmalloc_node+0x81/0x110 mm/util.c:587
 kvmalloc include/linux/mm.h:805 [inline]
 kvmalloc_array include/linux/mm.h:823 [inline]
 __htab_map_lookup_and_delete_batch+0x43b/0x2160 kernel/bpf/hashtab.c:1647
 bpf_map_do_batch+0x396/0x490
 __sys_bpf+0xde4/0x12c70
 __do_sys_bpf kernel/bpf/syscall.c:4691 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4689 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4689
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

The buggy address belongs to the object at ffff88801e138280
 which belongs to the cache kmalloc-64 of size 64
The buggy address is located 0 bytes inside of
 64-byte region [ffff88801e138280, ffff88801e1382c0)
The buggy address belongs to the page:
page:ffffea0000784e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1e138
flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000200 ffffea0000693540 0000000b0000000b ffff888011041640
raw: 0000000000000000 0000000000200020 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 10, ts 222580310678, free_ts 221886261105
 prep_new_page mm/page_alloc.c:2424 [inline]
 get_page_from_freelist+0x779/0xa30 mm/page_alloc.c:4153
 __alloc_pages+0x255/0x580 mm/page_alloc.c:5375
 alloc_slab_page mm/slub.c:1763 [inline]
 allocate_slab+0xcc/0x4d0 mm/slub.c:1900
 new_slab mm/slub.c:1963 [inline]
 ___slab_alloc+0x41e/0xc40 mm/slub.c:2994
 __slab_alloc mm/slub.c:3081 [inline]
 slab_alloc_node mm/slub.c:3172 [inline]
 slab_alloc mm/slub.c:3214 [inline]
 __kmalloc+0x2e9/0x370 mm/slub.c:4387
 kmalloc include/linux/slab.h:596 [inline]
 ieee802_11_parse_elems_crc+0xfd/0x1020 net/mac80211/util.c:1477
 ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2207 [inline]
 ieee80211_bss_info_update+0x81a/0xbc0 net/mac80211/scan.c:212
 ieee80211_rx_bss_info net/mac80211/ibss.c:1119 [inline]
 ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1608 [inline]
 ieee80211_ibss_rx_queued_mgmt+0x1707/0x2b40 net/mac80211/ibss.c:1635
 ieee80211_iface_process_skb net/mac80211/iface.c:1439 [inline]
 ieee80211_iface_work+0x709/0xc90 net/mac80211/iface.c:1493
 process_one_work+0x853/0x1140 kernel/workqueue.c:2297
 worker_thread+0xac1/0x1320 kernel/workqueue.c:2444
 kthread+0x453/0x480 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1338 [inline]
 free_pcp_prepare+0xc29/0xd20 mm/page_alloc.c:1389
 free_unref_page_prepare mm/page_alloc.c:3315 [inline]
 free_unref_page_list+0x11f/0xa50 mm/page_alloc.c:3431
 release_pages+0x18cb/0x1b00 mm/swap.c:950
 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:242 [inline]
 tlb_flush_mmu+0x780/0x910 mm/mmu_gather.c:249
 tlb_finish_mmu+0xcb/0x200 mm/mmu_gather.c:340
 exit_mmap+0x3dd/0x6f0 mm/mmap.c:3173
 __mmput+0x111/0x3a0 kernel/fork.c:1115
 exit_mm+0x63e/0x7a0 kernel/exit.c:501
 do_exit+0x67f/0x2580 kernel/exit.c:812
 do_group_exit+0x168/0x2d0 kernel/exit.c:922
 get_signal+0x16e0/0x20c0 kernel/signal.c:2868
 arch_do_signal_or_restart+0x9c/0x730 arch/x86/kernel/signal.c:865
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
 exit_to_user_mode_prepare+0x191/0x220 kernel/entry/common.c:209
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x2e/0x70 kernel/entry/common.c:302
 do_syscall_64+0x53/0xd0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x44/0xae

Memory state around the buggy address:
 ffff88801e138180: 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc fc
 ffff88801e138200: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff88801e138280: 00 00 00 00 03 fc fc fc fc fc fc fc fc fc fc fc
                               ^
 ffff88801e138300: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff88801e138380: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
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