DUID 00:04:ae:1e:d5:49:b7:3c:3f:84:b3:e9:d7:e4:a5:00:02:90
forked to background, child pid 3175
[   27.017928][ T3176] 8021q: adding VLAN 0 to HW filter on device bond0
[   27.027663][ T3176] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
syzkaller login: [   76.192689][   T39] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.216' (ECDSA) to the list of known hosts.
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[ 1061.802878][ T4430] ==================================================================
[ 1061.811157][ T4430] BUG: KASAN: use-after-free in __nf_register_net_hook+0x77a/0x820
[ 1061.819239][ T4430] Read of size 2 at addr ffff88801c1a8000 by task syz-executor237/4430
[ 1061.827485][ T4430] 
[ 1061.829813][ T4430] CPU: 1 PID: 4430 Comm: syz-executor237 Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0
[ 1061.840411][ T4430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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[ 1061.850486][ T4430] Call Trace:
[ 1061.853775][ T4430]  <TASK>
[ 1061.856722][ T4430]  dump_stack_lvl+0xcd/0x134
[ 1061.861440][ T4430]  print_address_description.constprop.0.cold+0x8d/0x336
[ 1061.868546][ T4430]  ? __nf_register_net_hook+0x77a/0x820
[ 1061.874118][ T4430]  ? __nf_register_net_hook+0x77a/0x820
[ 1061.879687][ T4430]  kasan_report.cold+0x83/0xdf
[ 1061.884484][ T4430]  ? __nf_register_net_hook+0x77a/0x820
[ 1061.890059][ T4430]  __nf_register_net_hook+0x77a/0x820
[ 1061.895494][ T4430]  nf_register_net_hook+0x114/0x170
executing program
executing program
[ 1061.900718][ T4430]  nf_register_net_hooks+0x59/0xc0
[ 1061.905855][ T4430]  nf_synproxy_ipv6_init+0x85/0xe0
[ 1061.911051][ T4430]  synproxy_tg6_check+0x30d/0x560
[ 1061.916194][ T4430]  ? __mutex_unlock_slowpath+0x157/0x5e0
[ 1061.921941][ T4430]  ? synproxy_tg6_destroy+0x370/0x370
[ 1061.927342][ T4430]  xt_check_target+0x26c/0x9e0
[ 1061.932186][ T4430]  ? textify_hooks.constprop.0+0x1a0/0x1a0
[ 1061.938024][ T4430]  ? pcpu_alloc+0x12b/0x1360
[ 1061.942713][ T4430]  ? xt_find_target+0x6e/0x280
[ 1061.947512][ T4430]  find_check_entry.constprop.0+0x7f1/0x9e0
executing program
executing program
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executing program
[ 1061.953428][ T4430]  ? get_counters+0x5d0/0x5d0
[ 1061.958122][ T4430]  ? kasan_quarantine_put+0xf5/0x210
[ 1061.963478][ T4430]  ? lockdep_hardirqs_on+0x79/0x100
[ 1061.968924][ T4430]  ? slab_free_freelist_hook+0x8b/0x1c0
[ 1061.974519][ T4430]  ? kfree+0xd0/0x390
[ 1061.978521][ T4430]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 1061.984813][ T4430]  translate_table+0xc8b/0x1750
[ 1061.989699][ T4430]  ? ip6t_do_table+0x1a50/0x1a50
[ 1061.994661][ T4430]  do_ip6t_set_ctl+0x56e/0xb90
executing program
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executing program
[ 1061.999448][ T4430]  ? __mutex_lock+0x21a/0x12f0
[ 1062.004233][ T4430]  ? compat_do_replace.constprop.0+0x470/0x470
[ 1062.010407][ T4430]  ? wait_for_completion_io_timeout+0x20/0x20
[ 1062.016599][ T4430]  ? nf_sockopt_find.constprop.0+0x22d/0x2a0
[ 1062.022605][ T4430]  nf_setsockopt+0x83/0xe0
[ 1062.027045][ T4430]  ipv6_setsockopt+0x122/0x180
[ 1062.031896][ T4430]  rawv6_setsockopt+0xd3/0x6a0
[ 1062.036722][ T4430]  ? aa_af_perm+0x230/0x230
[ 1062.041281][ T4430]  ? rawv6_recvmsg+0xd70/0xd70
[ 1062.046075][ T4430]  ? sock_common_setsockopt+0x2b/0x100
executing program
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executing program
[ 1062.051622][ T4430]  __sys_setsockopt+0x2db/0x610
[ 1062.056544][ T4430]  ? sock_common_recvmsg+0x1a0/0x1a0
[ 1062.061852][ T4430]  ? __ia32_sys_recv+0x100/0x100
[ 1062.066807][ T4430]  ? lock_downgrade+0x6e0/0x6e0
[ 1062.071706][ T4430]  ? acct_account_cputime+0x19d/0x310
[ 1062.077165][ T4430]  __x64_sys_setsockopt+0xba/0x150
[ 1062.082300][ T4430]  ? syscall_enter_from_user_mode+0x21/0x70
[ 1062.088215][ T4430]  do_syscall_64+0x35/0xb0
[ 1062.092668][ T4430]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 1062.098579][ T4430] RIP: 0033:0x7f65a1ace7d9
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[ 1062.103004][ T4430] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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
[ 1062.122628][ T4430] RSP: 002b:00007f65a1a7f308 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1062.131064][ T4430] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f65a1ace7d9
[ 1062.139050][ T4430] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003
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[ 1062.147040][ T4430] RBP: 00007f65a1b574c8 R08: 0000000000000001 R09: 0000000000000000
[ 1062.155029][ T4430] R10: 0000000020000000 R11: 0000000000000246 R12: 00007f65a1b55130
[ 1062.163032][ T4430] R13: 00007f65a1b574c0 R14: 00007f65a1b24090 R15: 0000000000022000
[ 1062.171035][ T4430]  </TASK>
[ 1062.174072][ T4430] 
[ 1062.176401][ T4430] The buggy address belongs to the page:
[ 1062.182035][ T4430] page:ffffea0000706a00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1c1a8
[ 1062.192199][ T4430] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
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[ 1062.199324][ T4430] raw: 00fff00000000000 ffffea0001c1b108 ffffea000046dd08 0000000000000000
[ 1062.207920][ T4430] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 1062.216513][ T4430] page dumped because: kasan: bad access detected
[ 1062.222935][ T4430] page_owner tracks the page as freed
[ 1062.228303][ T4430] page last allocated via order 2, migratetype Unmovable, gfp_mask 0x52dc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_ZERO), pid 4430, ts 1061781545818, free_ts 1061791488993
[ 1062.246639][ T4430]  get_page_from_freelist+0xa72/0x2f50
executing program
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[ 1062.252155][ T4430]  __alloc_pages+0x1b2/0x500
[ 1062.256762][ T4430]  kmalloc_large_node+0x62/0x130
[ 1062.261715][ T4430]  __kmalloc_node+0x35a/0x4a0
[ 1062.266402][ T4430]  kvmalloc_node+0x97/0x100
[ 1062.270924][ T4430]  nf_hook_entries_grow+0x140/0x780
[ 1062.276137][ T4430]  __nf_register_net_hook+0x144/0x820
[ 1062.281528][ T4430]  nf_register_net_hook+0x114/0x170
[ 1062.286739][ T4430]  nf_register_net_hooks+0x59/0xc0
[ 1062.291860][ T4430]  nf_synproxy_ipv6_init+0x85/0xe0
[ 1062.296983][ T4430]  synproxy_tg6_check+0x30d/0x560
executing program
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executing program
[ 1062.302023][ T4430]  xt_check_target+0x26c/0x9e0
[ 1062.306806][ T4430]  find_check_entry.constprop.0+0x7f1/0x9e0
[ 1062.312817][ T4430]  translate_table+0xc8b/0x1750
[ 1062.317767][ T4430]  do_ip6t_set_ctl+0x56e/0xb90
[ 1062.322549][ T4430]  nf_setsockopt+0x83/0xe0
[ 1062.326981][ T4430] page last free stack trace:
[ 1062.331653][ T4430]  free_pcp_prepare+0x374/0x870
[ 1062.336516][ T4430]  free_unref_page+0x19/0x690
[ 1062.341199][ T4430]  kvfree+0x42/0x50
[ 1062.345016][ T4430]  rcu_core+0x7b1/0x1820
[ 1062.349336][ T4430]  __do_softirq+0x29b/0x9c2
executing program
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executing program
[ 1062.353854][ T4430] 
[ 1062.356176][ T4430] Memory state around the buggy address:
[ 1062.361805][ T4430]  ffff88801c1a7f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1062.369873][ T4430]  ffff88801c1a7f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1062.377938][ T4430] >ffff88801c1a8000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1062.386003][ T4430]                    ^
[ 1062.390079][ T4430]  ffff88801c1a8080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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executing program
[ 1062.398156][ T4430]  ffff88801c1a8100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1062.406229][ T4430] ==================================================================
[ 1062.414292][ T4430] Disabling lock debugging due to kernel taint
[ 1062.430575][ T4430] Kernel panic - not syncing: panic_on_warn set ...
[ 1062.437182][ T4430] CPU: 1 PID: 4430 Comm: syz-executor237 Tainted: G    B             5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0
executing program
[ 1062.449169][ T4430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1062.459316][ T4430] Call Trace:
[ 1062.462598][ T4430]  <TASK>
[ 1062.465531][ T4430]  dump_stack_lvl+0xcd/0x134
[ 1062.470139][ T4430]  panic+0x2b0/0x6dd
[ 1062.474102][ T4430]  ? __warn_printk+0xf3/0xf3
[ 1062.478715][ T4430]  ? preempt_schedule_common+0x59/0xc0
[ 1062.484193][ T4430]  ? __nf_register_net_hook+0x77a/0x820
[ 1062.489782][ T4430]  ? preempt_schedule_thunk+0x16/0x18
[ 1062.495195][ T4430]  ? trace_hardirqs_on+0x38/0x1c0
[ 1062.500248][ T4430]  ? trace_hardirqs_on+0x51/0x1c0
executing program
executing program
[ 1062.505284][ T4430]  ? __nf_register_net_hook+0x77a/0x820
[ 1062.510845][ T4430]  ? __nf_register_net_hook+0x77a/0x820
[ 1062.516408][ T4430]  end_report.cold+0x63/0x6f
[ 1062.521101][ T4430]  kasan_report.cold+0x71/0xdf
[ 1062.525880][ T4430]  ? __nf_register_net_hook+0x77a/0x820
[ 1062.531449][ T4430]  __nf_register_net_hook+0x77a/0x820
[ 1062.536842][ T4430]  nf_register_net_hook+0x114/0x170
[ 1062.542149][ T4430]  nf_register_net_hooks+0x59/0xc0
[ 1062.547284][ T4430]  nf_synproxy_ipv6_init+0x85/0xe0
executing program
executing program
executing program
[ 1062.552406][ T4430]  synproxy_tg6_check+0x30d/0x560
[ 1062.557450][ T4430]  ? __mutex_unlock_slowpath+0x157/0x5e0
[ 1062.563105][ T4430]  ? synproxy_tg6_destroy+0x370/0x370
[ 1062.568494][ T4430]  xt_check_target+0x26c/0x9e0
[ 1062.573279][ T4430]  ? textify_hooks.constprop.0+0x1a0/0x1a0
[ 1062.579104][ T4430]  ? pcpu_alloc+0x12b/0x1360
[ 1062.583713][ T4430]  ? xt_find_target+0x6e/0x280
[ 1062.588492][ T4430]  find_check_entry.constprop.0+0x7f1/0x9e0
[ 1062.594412][ T4430]  ? get_counters+0x5d0/0x5d0
[ 1062.599137][ T4430]  ? kasan_quarantine_put+0xf5/0x210
executing program
executing program
[ 1062.604444][ T4430]  ? lockdep_hardirqs_on+0x79/0x100
[ 1062.609667][ T4430]  ? slab_free_freelist_hook+0x8b/0x1c0
[ 1062.615233][ T4430]  ? kfree+0xd0/0x390
[ 1062.619232][ T4430]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 1062.625534][ T4430]  translate_table+0xc8b/0x1750
[ 1062.630420][ T4430]  ? ip6t_do_table+0x1a50/0x1a50
[ 1062.635501][ T4430]  do_ip6t_set_ctl+0x56e/0xb90
[ 1062.640280][ T4430]  ? __mutex_lock+0x21a/0x12f0
[ 1062.645061][ T4430]  ? compat_do_replace.constprop.0+0x470/0x470
executing program
executing program
[ 1062.651243][ T4430]  ? wait_for_completion_io_timeout+0x20/0x20
[ 1062.657340][ T4430]  ? nf_sockopt_find.constprop.0+0x22d/0x2a0
[ 1062.663348][ T4430]  nf_setsockopt+0x83/0xe0
[ 1062.667781][ T4430]  ipv6_setsockopt+0x122/0x180
[ 1062.672564][ T4430]  rawv6_setsockopt+0xd3/0x6a0
[ 1062.677355][ T4430]  ? aa_af_perm+0x230/0x230
[ 1062.681872][ T4430]  ? rawv6_recvmsg+0xd70/0xd70
[ 1062.686659][ T4430]  ? sock_common_setsockopt+0x2b/0x100
[ 1062.692137][ T4430]  __sys_setsockopt+0x2db/0x610
[ 1062.697026][ T4430]  ? sock_common_recvmsg+0x1a0/0x1a0
executing program
executing program
executing program
executing program
[ 1062.702334][ T4430]  ? __ia32_sys_recv+0x100/0x100
[ 1062.707296][ T4430]  ? lock_downgrade+0x6e0/0x6e0
[ 1062.712162][ T4430]  ? acct_account_cputime+0x19d/0x310
[ 1062.717557][ T4430]  __x64_sys_setsockopt+0xba/0x150
[ 1062.722691][ T4430]  ? syscall_enter_from_user_mode+0x21/0x70
[ 1062.728606][ T4430]  do_syscall_64+0x35/0xb0
[ 1062.733043][ T4430]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 1062.738964][ T4430] RIP: 0033:0x7f65a1ace7d9
executing program
[ 1062.743391][ T4430] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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
[ 1062.763044][ T4430] RSP: 002b:00007f65a1a7f308 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1062.771477][ T4430] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f65a1ace7d9
[ 1062.779458][ T4430] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003
[ 1062.787439][ T4430] RBP: 00007f65a1b574c8 R08: 0000000000000001 R09: 0000000000000000
[ 1062.795425][ T4430] R10: 0000000020000000 R11: 0000000000000246 R12: 00007f65a1b55130
[ 1062.803417][ T4430] R13: 00007f65a1b574c0 R14: 00007f65a1b24090 R15: 0000000000022000
[ 1062.811410][ T4430]  </TASK>
[ 1062.814491][ T4430] Kernel Offset: disabled
[ 1062.818814][ T4430] Rebooting in 86400 seconds..