==================================================================
BUG: KASAN: use-after-free in __nf_ct_ext_exist include/net/netfilter/nf_conntrack_extend.h:47 [inline]
BUG: KASAN: use-after-free in nf_ct_ext_exist include/net/netfilter/nf_conntrack_extend.h:52 [inline]
BUG: KASAN: use-after-free in nf_ct_ecache_exist include/net/netfilter/nf_conntrack_ecache.h:42 [inline]
BUG: KASAN: use-after-free in nf_conntrack_confirm include/net/netfilter/nf_conntrack_core.h:63 [inline]
BUG: KASAN: use-after-free in nf_confirm+0x575/0x5b0 net/netfilter/nf_conntrack_proto.c:154
Read of size 1 at addr ffff88801a93e504 by task syz-executor.2/11586

CPU: 1 PID: 11586 Comm: syz-executor.2 Not tainted 5.18.0-syzkaller-04947-g4b4b4f94a4f6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 print_address_description.constprop.0.cold+0xeb/0x495 mm/kasan/report.c:313
 print_report mm/kasan/report.c:429 [inline]
 kasan_report.cold+0xf4/0x1c6 mm/kasan/report.c:491
 __nf_ct_ext_exist include/net/netfilter/nf_conntrack_extend.h:47 [inline]
 nf_ct_ext_exist include/net/netfilter/nf_conntrack_extend.h:52 [inline]
 nf_ct_ecache_exist include/net/netfilter/nf_conntrack_ecache.h:42 [inline]
 nf_conntrack_confirm include/net/netfilter/nf_conntrack_core.h:63 [inline]
 nf_confirm+0x575/0x5b0 net/netfilter/nf_conntrack_proto.c:154
 ipv4_confirm+0x17a/0x390 net/netfilter/nf_conntrack_proto.c:182
 nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline]
 nf_hook_slow+0xc5/0x1f0 net/netfilter/core.c:620
 nf_hook+0x1cb/0x5b0 include/linux/netfilter.h:262
 NF_HOOK_COND include/linux/netfilter.h:295 [inline]
 ip_output+0x21f/0x310 net/ipv4/ip_output.c:430
 dst_output include/net/dst.h:451 [inline]
 ip_local_out net/ipv4/ip_output.c:126 [inline]
 ip_send_skb+0xd4/0x260 net/ipv4/ip_output.c:1571
 udp_send_skb+0x6c8/0x11a0 net/ipv4/udp.c:967
 udp_sendmsg+0x1bee/0x2760 net/ipv4/udp.c:1254
 inet_sendmsg+0x99/0xe0 net/ipv4/af_inet.c:819
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:734
 rxrpc_send_abort_packet+0x463/0x740 net/rxrpc/output.c:334
 rxrpc_release_calls_on_socket+0x211/0x300 net/rxrpc/call_object.c:608
 rxrpc_release_sock net/rxrpc/af_rxrpc.c:886 [inline]
 rxrpc_release+0x263/0x5a0 net/rxrpc/af_rxrpc.c:917
 __sock_release+0xcd/0x280 net/socket.c:650
 sock_close+0x18/0x20 net/socket.c:1365
 __fput+0x277/0x9d0 fs/file_table.c:317
 task_work_run+0xdd/0x1a0 kernel/task_work.c:177
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:169 [inline]
 exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7efc7c03bd4b
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007fff1f516290 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007efc7c03bd4b
RDX: 00007efc7c1a0ca8 RSI: ffffffffffffffff RDI: 0000000000000005
RBP: 00007efc7c19d960 R08: 0000000000000000 R09: 00007efc7c1a0cb0
R10: 00007fff1f516390 R11: 0000000000000293 R12: 0000000000256c6a
R13: 00007fff1f516390 R14: 00007efc7c19bf60 R15: 0000000000000032
 </TASK>

Allocated by task 10374:
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:436 [inline]
 ____kasan_kmalloc mm/kasan/common.c:515 [inline]
 ____kasan_kmalloc mm/kasan/common.c:474 [inline]
 __kasan_kmalloc+0xa9/0xd0 mm/kasan/common.c:524
 kmalloc include/linux/slab.h:588 [inline]
 kzalloc include/linux/slab.h:721 [inline]
 do_check_common+0x183/0xcfe0 kernel/bpf/verifier.c:14337
 do_check_main kernel/bpf/verifier.c:14453 [inline]
 bpf_check+0x88a4/0xbbc0 kernel/bpf/verifier.c:15022
 bpf_prog_load+0xfb2/0x2250 kernel/bpf/syscall.c:2575
 __sys_bpf+0x11a1/0x5700 kernel/bpf/syscall.c:4918
 __do_sys_bpf kernel/bpf/syscall.c:5022 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5020 [inline]
 __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:5020
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0

Freed by task 11586:
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 kasan_set_track+0x21/0x30 mm/kasan/common.c:45
 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370
 ____kasan_slab_free mm/kasan/common.c:366 [inline]
 ____kasan_slab_free+0x166/0x1a0 mm/kasan/common.c:328
 kasan_slab_free include/linux/kasan.h:200 [inline]
 slab_free_hook mm/slub.c:1727 [inline]
 slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1753
 slab_free mm/slub.c:3507 [inline]
 kfree+0xd6/0x4d0 mm/slub.c:4555
 nf_conntrack_free+0x100/0x630 net/netfilter/nf_conntrack_core.c:1680
 nf_ct_destroy+0x1be/0x320 net/netfilter/nf_conntrack_core.c:610
 nf_ct_put include/net/netfilter/nf_conntrack.h:184 [inline]
 nf_ct_put include/net/netfilter/nf_conntrack.h:181 [inline]
 __nf_ct_resolve_clash+0x624/0x785 net/netfilter/nf_conntrack_core.c:1013
 nf_ct_resolve_clash+0x14a/0xa23 net/netfilter/nf_conntrack_core.c:1136
 __nf_conntrack_confirm.cold+0x16/0x23e net/netfilter/nf_conntrack_core.c:1284
 nf_conntrack_confirm include/net/netfilter/nf_conntrack_core.h:62 [inline]
 nf_confirm+0x4ce/0x5b0 net/netfilter/nf_conntrack_proto.c:154
 ipv4_confirm+0x17a/0x390 net/netfilter/nf_conntrack_proto.c:182
 nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline]
 nf_hook_slow+0xc5/0x1f0 net/netfilter/core.c:620
 nf_hook+0x1cb/0x5b0 include/linux/netfilter.h:262
 NF_HOOK_COND include/linux/netfilter.h:295 [inline]
 ip_output+0x21f/0x310 net/ipv4/ip_output.c:430
 dst_output include/net/dst.h:451 [inline]
 ip_local_out net/ipv4/ip_output.c:126 [inline]
 ip_send_skb+0xd4/0x260 net/ipv4/ip_output.c:1571
 udp_send_skb+0x6c8/0x11a0 net/ipv4/udp.c:967
 udp_sendmsg+0x1bee/0x2760 net/ipv4/udp.c:1254
 inet_sendmsg+0x99/0xe0 net/ipv4/af_inet.c:819
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:734
 rxrpc_send_abort_packet+0x463/0x740 net/rxrpc/output.c:334
 rxrpc_release_calls_on_socket+0x211/0x300 net/rxrpc/call_object.c:608
 rxrpc_release_sock net/rxrpc/af_rxrpc.c:886 [inline]
 rxrpc_release+0x263/0x5a0 net/rxrpc/af_rxrpc.c:917
 __sock_release+0xcd/0x280 net/socket.c:650
 sock_close+0x18/0x20 net/socket.c:1365
 __fput+0x277/0x9d0 fs/file_table.c:317
 task_work_run+0xdd/0x1a0 kernel/task_work.c:177
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:169 [inline]
 exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x46/0xb0

Last potentially related work creation:
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xbe/0xd0 mm/kasan/generic.c:348
 kvfree_call_rcu+0x74/0x990 kernel/rcu/tree.c:3647
 tipc_nametbl_remove_publ+0x4b9/0x1370 net/tipc/name_table.c:535
 tipc_nametbl_withdraw+0x2bb/0x810 net/tipc/name_table.c:809
 tipc_sk_withdraw+0x415/0x5e0 net/tipc/socket.c:2936
 tipc_release+0x235/0x1a90 net/tipc/socket.c:644
 __sock_release net/socket.c:650 [inline]
 sock_release+0x87/0x1b0 net/socket.c:678
 tipc_topsrv_stop net/tipc/topsrv.c:702 [inline]
 tipc_topsrv_exit_net+0x35f/0x5d0 net/tipc/topsrv.c:715
 ops_exit_list+0xb0/0x170 net/core/net_namespace.c:162
 cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:594
 process_one_work+0x996/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302

Second to last potentially related work creation:
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xbe/0xd0 mm/kasan/generic.c:348
 kvfree_call_rcu+0x74/0x990 kernel/rcu/tree.c:3647
 cfg80211_update_known_bss+0x833/0xa60 net/wireless/scan.c:1668
 cfg80211_bss_update+0xef/0x2070 net/wireless/scan.c:1715
 cfg80211_inform_single_bss_frame_data+0x731/0xf40 net/wireless/scan.c:2473
 cfg80211_inform_bss_frame_data+0xa7/0xb50 net/wireless/scan.c:2506
 ieee80211_bss_info_update+0x35b/0xb00 net/mac80211/scan.c:190
 ieee80211_rx_bss_info net/mac80211/ibss.c:1119 [inline]
 ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1610 [inline]
 ieee80211_ibss_rx_queued_mgmt+0x1ab8/0x33f0 net/mac80211/ibss.c:1639
 ieee80211_iface_process_skb net/mac80211/iface.c:1527 [inline]
 ieee80211_iface_work+0xa78/0xd10 net/mac80211/iface.c:1581
 process_one_work+0x996/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302

The buggy address belongs to the object at ffff88801a93e500
 which belongs to the cache kmalloc-128 of size 128
The buggy address is located 4 bytes inside of
 128-byte region [ffff88801a93e500, ffff88801a93e580)

The buggy address belongs to the physical page:
page:ffffea00006a4f80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1a93e
flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000200 ffffea0001e1b1c0 dead000000000004 ffff888010c418c0
raw: 0000000000000000 0000000000100010 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 3636, tgid 3636 (syz-executor.1), ts 97770731010, free_ts 97724801984
 prep_new_page mm/page_alloc.c:2441 [inline]
 get_page_from_freelist+0xba2/0x3e00 mm/page_alloc.c:4182
 __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5408
 alloc_pages+0x1aa/0x310 mm/mempolicy.c:2272
 alloc_slab_page mm/slub.c:1797 [inline]
 allocate_slab+0x26c/0x3c0 mm/slub.c:1942
 new_slab mm/slub.c:2002 [inline]
 ___slab_alloc+0x985/0xd90 mm/slub.c:3002
 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3089
 slab_alloc_node mm/slub.c:3180 [inline]
 slab_alloc mm/slub.c:3222 [inline]
 kmem_cache_alloc_trace+0x310/0x3f0 mm/slub.c:3253
 kmalloc include/linux/slab.h:588 [inline]
 __hw_addr_create net/core/dev_addr_lists.c:60 [inline]
 __hw_addr_add_ex+0x22d/0x7e0 net/core/dev_addr_lists.c:118
 __hw_addr_add net/core/dev_addr_lists.c:135 [inline]
 dev_addr_init+0x13a/0x220 net/core/dev_addr_lists.c:558
 alloc_netdev_mqs+0x2f4/0x1180 net/core/dev.c:10593
 rtnl_create_link+0x9d7/0xc00 net/core/rtnetlink.c:3241
 rtnl_newlink_create net/core/rtnetlink.c:3353 [inline]
 __rtnl_newlink+0xf8f/0x17e0 net/core/rtnetlink.c:3580
 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3593
 rtnetlink_rcv_msg+0x43a/0xc90 net/core/rtnetlink.c:6089
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2501
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1356 [inline]
 free_pcp_prepare+0x549/0xd20 mm/page_alloc.c:1406
 free_unref_page_prepare mm/page_alloc.c:3328 [inline]
 free_unref_page+0x19/0x6a0 mm/page_alloc.c:3423
 __unfreeze_partials+0x17c/0x1a0 mm/slub.c:2521
 qlink_free mm/kasan/quarantine.c:157 [inline]
 qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:176
 kasan_quarantine_reduce+0x180/0x200 mm/kasan/quarantine.c:283
 __kasan_slab_alloc+0xa2/0xc0 mm/kasan/common.c:446
 kasan_slab_alloc include/linux/kasan.h:224 [inline]
 slab_post_alloc_hook mm/slab.h:750 [inline]
 slab_alloc_node mm/slub.c:3214 [inline]
 slab_alloc mm/slub.c:3222 [inline]
 kmem_cache_alloc_trace+0x26d/0x3f0 mm/slub.c:3253
 kmalloc include/linux/slab.h:588 [inline]
 rtnl_newlink+0x46/0xa0 net/core/rtnetlink.c:3589
 rtnetlink_rcv_msg+0x43a/0xc90 net/core/rtnetlink.c:6089
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2501
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:734
 __sys_sendto+0x21a/0x320 net/socket.c:2119
 __do_sys_sendto net/socket.c:2131 [inline]
 __se_sys_sendto net/socket.c:2127 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2127
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80

Memory state around the buggy address:
 ffff88801a93e400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88801a93e480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88801a93e500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff88801a93e580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88801a93e600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================