DUID 00:04:f2:7f:36:b6:03:80:f9:c3:71:03:f9:5e:f9:cf:ad:4a forked to background, child pid 3176 [ 26.831163][ T3177] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.847941][ T3177] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 76.170976][ T25] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.235' (ECDSA) to the list of known hosts. [ 290.177660][ T3615] cgroup: Unknown subsys name 'net' [ 290.315527][ T3615] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 361.041947][T15071] ================================================================== [ 361.050241][T15071] BUG: KASAN: use-after-free in __nf_register_net_hook+0x77a/0x820 [ 361.058393][T15071] Read of size 2 at addr ffff88807be93400 by task syz-executor118/15071 [ 361.066734][T15071] [ 361.069076][T15071] CPU: 0 PID: 15071 Comm: syz-executor118 Not tainted 5.17.0-rc5-syzkaller-00187-g519ca6fa9605 #0 [ 361.079671][T15071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program [ 361.089749][T15071] Call Trace: [ 361.093040][T15071] [ 361.095978][T15071] dump_stack_lvl+0xcd/0x134 [ 361.100677][T15071] print_address_description.constprop.0.cold+0x8d/0x336 [ 361.107770][T15071] ? __nf_register_net_hook+0x77a/0x820 [ 361.113337][T15071] ? __nf_register_net_hook+0x77a/0x820 [ 361.119105][T15071] kasan_report.cold+0x83/0xdf [ 361.123899][T15071] ? __nf_register_net_hook+0x77a/0x820 [ 361.129468][T15071] __nf_register_net_hook+0x77a/0x820 [ 361.134872][T15071] nf_register_net_hook+0x114/0x170 [ 361.140081][T15071] nf_register_net_hooks+0x59/0xc0 [ 361.145202][T15071] nf_synproxy_ipv6_init+0x85/0xe0 [ 361.150380][T15071] synproxy_tg6_check+0x30d/0x560 [ 361.155577][T15071] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 361.161268][T15071] ? synproxy_tg6_destroy+0x370/0x370 [ 361.166655][T15071] xt_check_target+0x26c/0x9e0 [ 361.171475][T15071] ? textify_hooks.constprop.0+0x1a0/0x1a0 [ 361.177317][T15071] ? pcpu_alloc+0x12b/0x1360 [ 361.181958][T15071] ? xt_find_target+0x6e/0x280 [ 361.186744][T15071] find_check_entry.constprop.0+0x7f1/0x9e0 [ 361.192652][T15071] ? get_counters+0x5d0/0x5d0 [ 361.197331][T15071] ? kasan_quarantine_put+0xf5/0x210 [ 361.202667][T15071] ? lockdep_hardirqs_on+0x79/0x100 [ 361.207924][T15071] ? slab_free_freelist_hook+0x8b/0x1c0 [ 361.213481][T15071] ? kfree+0xd0/0x390 [ 361.217468][T15071] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 361.223760][T15071] translate_table+0xc8b/0x1750 [ 361.228629][T15071] ? ip6t_do_table+0x1a50/0x1a50 [ 361.233578][T15071] do_ip6t_set_ctl+0x56e/0xb90 [ 361.238344][T15071] ? __mutex_lock+0x21a/0x12f0 [ 361.243113][T15071] ? compat_do_replace.constprop.0+0x470/0x470 [ 361.249295][T15071] ? wait_for_completion_io_timeout+0x20/0x20 [ 361.255383][T15071] ? nf_sockopt_find.constprop.0+0x22d/0x2a0 [ 361.261565][T15071] nf_setsockopt+0x83/0xe0 [ 361.265989][T15071] ipv6_setsockopt+0x122/0x180 [ 361.270799][T15071] rawv6_setsockopt+0xd3/0x6a0 [ 361.275569][T15071] ? aa_af_perm+0x230/0x230 [ 361.280118][T15071] ? rawv6_recvmsg+0xd70/0xd70 [ 361.284894][T15071] ? sock_common_setsockopt+0x2b/0x100 [ 361.290402][T15071] __sys_setsockopt+0x2db/0x610 [ 361.295282][T15071] ? sock_common_recvmsg+0x1a0/0x1a0 [ 361.300570][T15071] ? __ia32_sys_recv+0x100/0x100 [ 361.305514][T15071] ? lock_downgrade+0x6e0/0x6e0 [ 361.310410][T15071] __x64_sys_setsockopt+0xba/0x150 [ 361.315543][T15071] ? syscall_enter_from_user_mode+0x21/0x70 [ 361.321446][T15071] do_syscall_64+0x35/0xb0 [ 361.325868][T15071] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 361.331794][T15071] RIP: 0033:0x7fec0c912979 [ 361.336211][T15071] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 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 [ 361.355912][T15071] RSP: 002b:00007fec0c8c3308 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 361.364417][T15071] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fec0c912979 [ 361.372398][T15071] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 361.380374][T15071] RBP: 00007fec0c99c4c8 R08: 0000000000000001 R09: 0000000000000000 [ 361.388366][T15071] R10: 0000000020000000 R11: 0000000000000246 R12: 00007fec0c99a130 [ 361.396335][T15071] R13: 00007fec0c99c4c0 R14: 00007fec0c9692a8 R15: 0000000000022000 [ 361.404330][T15071] [ 361.407342][T15071] [ 361.409667][T15071] Allocated by task 15071: [ 361.414071][T15071] kasan_save_stack+0x1e/0x40 [ 361.418759][T15071] __kasan_kmalloc+0xa9/0xd0 [ 361.423348][T15071] kvmalloc_node+0x3e/0x100 [ 361.427908][T15071] nf_hook_entries_grow+0x140/0x780 [ 361.433112][T15071] __nf_register_net_hook+0x144/0x820 [ 361.438507][T15071] nf_register_net_hook+0x114/0x170 [ 361.443709][T15071] nf_register_net_hooks+0x59/0xc0 [ 361.448823][T15071] nf_synproxy_ipv6_init+0x85/0xe0 [ 361.453935][T15071] synproxy_tg6_check+0x30d/0x560 [ 361.458961][T15071] xt_check_target+0x26c/0x9e0 [ 361.463814][T15071] find_check_entry.constprop.0+0x7f1/0x9e0 [ 361.469708][T15071] translate_table+0xc8b/0x1750 [ 361.474556][T15071] do_ip6t_set_ctl+0x56e/0xb90 [ 361.479318][T15071] nf_setsockopt+0x83/0xe0 [ 361.483733][T15071] ipv6_setsockopt+0x122/0x180 [ 361.488493][T15071] rawv6_setsockopt+0xd3/0x6a0 [ 361.493255][T15071] __sys_setsockopt+0x2db/0x610 [ 361.498108][T15071] __x64_sys_setsockopt+0xba/0x150 [ 361.503228][T15071] do_syscall_64+0x35/0xb0 [ 361.507736][T15071] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 361.513650][T15071] [ 361.515962][T15071] Freed by task 19: [ 361.519755][T15071] kasan_save_stack+0x1e/0x40 [ 361.524437][T15071] kasan_set_track+0x21/0x30 [ 361.529025][T15071] kasan_set_free_info+0x20/0x30 [ 361.534145][T15071] ____kasan_slab_free+0x126/0x160 [ 361.539258][T15071] slab_free_freelist_hook+0x8b/0x1c0 [ 361.544628][T15071] kfree+0xd0/0x390 [ 361.548442][T15071] kvfree+0x42/0x50 [ 361.552263][T15071] rcu_core+0x7b1/0x1820 [ 361.556571][T15071] __do_softirq+0x29b/0x9c2 [ 361.561075][T15071] [ 361.563516][T15071] Last potentially related work creation: [ 361.569247][T15071] kasan_save_stack+0x1e/0x40 [ 361.573941][T15071] __kasan_record_aux_stack+0xbe/0xd0 [ 361.579318][T15071] call_rcu+0xb1/0x740 [ 361.583421][T15071] __nf_register_net_hook+0x3e7/0x820 [ 361.588805][T15071] nf_register_net_hook+0x114/0x170 [ 361.594028][T15071] nf_register_net_hooks+0x59/0xc0 [ 361.599140][T15071] nf_synproxy_ipv6_init+0x85/0xe0 [ 361.604255][T15071] synproxy_tg6_check+0x30d/0x560 [ 361.609290][T15071] xt_check_target+0x26c/0x9e0 [ 361.614052][T15071] find_check_entry.constprop.0+0x7f1/0x9e0 [ 361.619943][T15071] translate_table+0xc8b/0x1750 [ 361.624792][T15071] do_ip6t_set_ctl+0x56e/0xb90 [ 361.629582][T15071] nf_setsockopt+0x83/0xe0 [ 361.634062][T15071] ipv6_setsockopt+0x122/0x180 [ 361.638841][T15071] rawv6_setsockopt+0xd3/0x6a0 [ 361.643625][T15071] __sys_setsockopt+0x2db/0x610 [ 361.648493][T15071] __x64_sys_setsockopt+0xba/0x150 [ 361.653611][T15071] do_syscall_64+0x35/0xb0 [ 361.658030][T15071] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 361.663924][T15071] [ 361.666236][T15071] The buggy address belongs to the object at ffff88807be93400 [ 361.666236][T15071] which belongs to the cache kmalloc-512 of size 512 [ 361.680283][T15071] The buggy address is located 0 bytes inside of [ 361.680283][T15071] 512-byte region [ffff88807be93400, ffff88807be93600) [ 361.693378][T15071] The buggy address belongs to the page: [ 361.698997][T15071] page:ffffea0001efa400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7be90 [ 361.709144][T15071] head:ffffea0001efa400 order:2 compound_mapcount:0 compound_pincount:0 [ 361.717459][T15071] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 361.725440][T15071] raw: 00fff00000010200 0000000000000000 dead000000000001 ffff888010c41c80 [ 361.734048][T15071] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 361.742706][T15071] page dumped because: kasan: bad access detected [ 361.749103][T15071] page_owner tracks the page as allocated [ 361.754810][T15071] page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 14224, ts 355807796921, free_ts 330392457124 [ 361.775573][T15071] get_page_from_freelist+0xa72/0x2f50 [ 361.781146][T15071] __alloc_pages+0x1b2/0x500 [ 361.785745][T15071] alloc_pages+0x1aa/0x310 [ 361.790210][T15071] allocate_slab+0x27f/0x3c0 [ 361.794802][T15071] ___slab_alloc+0xbe1/0x12b0 [ 361.799476][T15071] __slab_alloc.constprop.0+0x4d/0xa0 [ 361.804862][T15071] kmem_cache_alloc_trace+0x2f8/0x3d0 [ 361.810234][T15071] nf_ct_tmpl_alloc+0x8d/0x270 [ 361.814995][T15071] xt_ct_tg_check+0x271/0xe50 [ 361.819700][T15071] xt_ct_tg_check_v2+0x6d/0xa0 [ 361.824466][T15071] xt_check_target+0x26c/0x9e0 [ 361.829225][T15071] find_check_entry.constprop.0+0x7f1/0x9e0 [ 361.835117][T15071] translate_table+0xc8b/0x1750 [ 361.839983][T15071] do_ip6t_set_ctl+0x56e/0xb90 [ 361.844757][T15071] nf_setsockopt+0x83/0xe0 [ 361.849182][T15071] ipv6_setsockopt+0x122/0x180 [ 361.853945][T15071] page last free stack trace: [ 361.858608][T15071] free_pcp_prepare+0x374/0x870 [ 361.863457][T15071] free_unref_page+0x19/0x690 [ 361.868131][T15071] __unfreeze_partials+0x320/0x340 [ 361.873242][T15071] qlist_free_all+0x6d/0x160 [ 361.877849][T15071] kasan_quarantine_reduce+0x180/0x200 [ 361.883393][T15071] __kasan_slab_alloc+0xa2/0xc0 [ 361.888244][T15071] kmem_cache_alloc+0x271/0x4b0 [ 361.893098][T15071] getname_flags.part.0+0x50/0x4f0 [ 361.898242][T15071] __x64_sys_unlink+0xb1/0x110 [ 361.903002][T15071] do_syscall_64+0x35/0xb0 [ 361.907437][T15071] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 361.913333][T15071] [ 361.915648][T15071] Memory state around the buggy address: [ 361.921301][T15071] ffff88807be93300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 361.929446][T15071] ffff88807be93380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 361.937500][T15071] >ffff88807be93400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb executing program executing program executing program executing program executing program executing program [ 361.945551][T15071] ^ [ 361.949618][T15071] ffff88807be93480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 361.957688][T15071] ffff88807be93500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 361.965754][T15071] ================================================================== [ 361.973806][T15071] Disabling lock debugging due to kernel taint [ 362.030965][T15071] Kernel panic - not syncing: panic_on_warn set ... [ 362.037579][T15071] CPU: 1 PID: 15071 Comm: syz-executor118 Tainted: G B 5.17.0-rc5-syzkaller-00187-g519ca6fa9605 #0 [ 362.049603][T15071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 362.059661][T15071] Call Trace: [ 362.062930][T15071] [ 362.065853][T15071] dump_stack_lvl+0xcd/0x134 [ 362.070449][T15071] panic+0x2b0/0x6dd [ 362.074409][T15071] ? __warn_printk+0xf3/0xf3 [ 362.079003][T15071] ? preempt_schedule_common+0x59/0xc0 [ 362.084461][T15071] ? __nf_register_net_hook+0x77a/0x820 [ 362.090006][T15071] ? preempt_schedule_thunk+0x16/0x18 [ 362.095425][T15071] ? trace_hardirqs_on+0x38/0x1c0 [ 362.100475][T15071] ? trace_hardirqs_on+0x51/0x1c0 [ 362.105493][T15071] ? __nf_register_net_hook+0x77a/0x820 [ 362.111050][T15071] ? __nf_register_net_hook+0x77a/0x820 [ 362.116597][T15071] end_report.cold+0x63/0x6f [ 362.121191][T15071] kasan_report.cold+0x71/0xdf [ 362.125954][T15071] ? __nf_register_net_hook+0x77a/0x820 [ 362.131502][T15071] __nf_register_net_hook+0x77a/0x820 [ 362.136891][T15071] nf_register_net_hook+0x114/0x170 [ 362.142091][T15071] nf_register_net_hooks+0x59/0xc0 [ 362.147202][T15071] nf_synproxy_ipv6_init+0x85/0xe0 [ 362.152316][T15071] synproxy_tg6_check+0x30d/0x560 [ 362.157357][T15071] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 362.162991][T15071] ? synproxy_tg6_destroy+0x370/0x370 [ 362.168359][T15071] xt_check_target+0x26c/0x9e0 [ 362.173123][T15071] ? textify_hooks.constprop.0+0x1a0/0x1a0 [ 362.178944][T15071] ? pcpu_alloc+0x12b/0x1360 [ 362.183534][T15071] ? xt_find_target+0x6e/0x280 [ 362.188297][T15071] find_check_entry.constprop.0+0x7f1/0x9e0 [ 362.194191][T15071] ? get_counters+0x5d0/0x5d0 [ 362.198860][T15071] ? kasan_quarantine_put+0xf5/0x210 [ 362.204147][T15071] ? lockdep_hardirqs_on+0x79/0x100 [ 362.209351][T15071] ? slab_free_freelist_hook+0x8b/0x1c0 [ 362.214898][T15071] ? kfree+0xd0/0x390 [ 362.218878][T15071] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 362.225126][T15071] translate_table+0xc8b/0x1750 [ 362.229976][T15071] ? ip6t_do_table+0x1a50/0x1a50 [ 362.234912][T15071] do_ip6t_set_ctl+0x56e/0xb90 [ 362.239673][T15071] ? __mutex_lock+0x21a/0x12f0 [ 362.244462][T15071] ? compat_do_replace.constprop.0+0x470/0x470 [ 362.250618][T15071] ? wait_for_completion_io_timeout+0x20/0x20 [ 362.256698][T15071] ? nf_sockopt_find.constprop.0+0x22d/0x2a0 [ 362.262710][T15071] nf_setsockopt+0x83/0xe0 [ 362.267127][T15071] ipv6_setsockopt+0x122/0x180 [ 362.271896][T15071] rawv6_setsockopt+0xd3/0x6a0 [ 362.276672][T15071] ? aa_af_perm+0x230/0x230 [ 362.281172][T15071] ? rawv6_recvmsg+0xd70/0xd70 [ 362.285953][T15071] ? sock_common_setsockopt+0x2b/0x100 [ 362.291431][T15071] __sys_setsockopt+0x2db/0x610 [ 362.296298][T15071] ? sock_common_recvmsg+0x1a0/0x1a0 [ 362.301604][T15071] ? __ia32_sys_recv+0x100/0x100 [ 362.306547][T15071] ? lock_downgrade+0x6e0/0x6e0 [ 362.311475][T15071] __x64_sys_setsockopt+0xba/0x150 [ 362.316629][T15071] ? syscall_enter_from_user_mode+0x21/0x70 [ 362.322540][T15071] do_syscall_64+0x35/0xb0 [ 362.326965][T15071] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 362.332868][T15071] RIP: 0033:0x7fec0c912979 [ 362.337278][T15071] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 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 [ 362.356882][T15071] RSP: 002b:00007fec0c8c3308 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 362.365287][T15071] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fec0c912979 [ 362.373250][T15071] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 362.381213][T15071] RBP: 00007fec0c99c4c8 R08: 0000000000000001 R09: 0000000000000000 [ 362.389175][T15071] R10: 0000000020000000 R11: 0000000000000246 R12: 00007fec0c99a130 [ 362.397135][T15071] R13: 00007fec0c99c4c0 R14: 00007fec0c9692a8 R15: 0000000000022000 [ 362.405106][T15071] [ 362.408268][T15071] Kernel Offset: disabled [ 362.412578][T15071] Rebooting in 86400 seconds..