Warning: Permanently added '10.128.0.148' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 48.357209] kauditd_printk_skb: 2 callbacks suppressed [ 48.357224] audit: type=1400 audit(1578729459.635:36): avc: denied { map } for pid=7903 comm="syz-executor960" path="/root/syz-executor960344510" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 48.360613] kasan: CONFIG_KASAN_INLINE enabled [ 48.393637] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 48.401150] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 48.407387] CPU: 1 PID: 7903 Comm: syz-executor960 Not tainted 4.19.94-syzkaller #0 [ 48.415183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.424549] RIP: 0010:xt_rateest_tg_checkentry+0x11d/0xb50 [ 48.430159] Code: 89 79 61 fb 45 84 f6 0f 84 0d 07 00 00 e8 3b 78 61 fb 49 8d bd 48 1b 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 f9 08 00 00 4d 8b ad 48 1b 00 00 e8 fd 88 4e fb [ 48.449047] RSP: 0018:ffff88809452f7d0 EFLAGS: 00010206 [ 48.454529] RAX: dffffc0000000000 RBX: ffff88809452fb30 RCX: ffffffff8609a493 [ 48.461787] RDX: 0000000000000369 RSI: ffffffff86099d75 RDI: 0000000000001b48 [ 48.469043] RBP: ffff88809452f890 R08: ffff8880912f8340 R09: ffffed1015d24733 [ 48.476299] R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 000000000000002c [ 48.483598] R13: 0000000000000000 R14: 0000000000000001 R15: ffff88809452f868 [ 48.490855] FS: 0000000001438880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 48.499063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.504941] CR2: 00000000200008e0 CR3: 000000009229e000 CR4: 00000000001406e0 [ 48.512194] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.519449] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.526714] Call Trace: [ 48.529303] ? xt_rateest_lookup+0x280/0x280 [ 48.533709] ? kasan_check_write+0x14/0x20 [ 48.537943] ? __mutex_unlock_slowpath+0xf8/0x6b0 [ 48.542772] ? mutex_trylock+0x1e0/0x1e0 [ 48.546830] ? xt_rateest_lookup+0x280/0x280 [ 48.551231] xt_check_target+0x283/0x6a0 [ 48.555341] ? textify_hooks.constprop.0+0x1a0/0x1a0 [ 48.560429] ? mutex_unlock+0xd/0x10 [ 48.564163] ? xt_find_target+0x73/0x280 [ 48.568207] ? xt_find_target+0x73/0x280 [ 48.572272] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 48.577798] translate_table+0x1005/0x1d70 [ 48.582021] ? arpt_alloc_initial_table+0x690/0x690 [ 48.587020] ? lock_downgrade+0x880/0x880 [ 48.591160] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 48.596693] ? _copy_from_user+0xdd/0x150 [ 48.600843] do_arpt_set_ctl+0x303/0x640 [ 48.604915] ? compat_do_arpt_get_ctl+0x850/0x850 [ 48.609756] ? __mutex_unlock_slowpath+0xf8/0x6b0 [ 48.614608] ? wait_for_completion+0x440/0x440 [ 48.619204] ? mutex_unlock+0xd/0x10 [ 48.622916] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 48.628198] nf_setsockopt+0x77/0xd0 [ 48.631933] ip_setsockopt+0xdf/0x100 [ 48.635744] udp_setsockopt+0x68/0xb0 [ 48.639556] sock_common_setsockopt+0x94/0xd0 [ 48.644052] __sys_setsockopt+0x17a/0x280 [ 48.648209] ? kernel_accept+0x310/0x310 [ 48.652279] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 48.657042] ? do_syscall_64+0x26/0x620 [ 48.661021] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.666393] ? do_syscall_64+0x26/0x620 [ 48.670363] __x64_sys_setsockopt+0xbe/0x150 [ 48.674881] do_syscall_64+0xfd/0x620 [ 48.678677] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.683867] RIP: 0033:0x441699 [ 48.687066] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 48.705968] RSP: 002b:00007fff08236408 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 48.713762] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000441699 [ 48.721018] RDX: 0000000000000060 RSI: 0a02000000000000 RDI: 0000000000000003 [ 48.728273] RBP: 00000000006cb018 R08: 0000000000000430 R09: 00000000004002c8 [ 48.735529] R10: 00000000200008c0 R11: 0000000000000246 R12: 0000000000402f20 [ 48.742795] R13: 0000000000402fb0 R14: 0000000000000000 R15: 0000000000000000 [ 48.750050] Modules linked in: [ 48.753786] ---[ end trace 73550a37371be9f0 ]--- [ 48.758741] RIP: 0010:xt_rateest_tg_checkentry+0x11d/0xb50 [ 48.764349] Code: 89 79 61 fb 45 84 f6 0f 84 0d 07 00 00 e8 3b 78 61 fb 49 8d bd 48 1b 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 f9 08 00 00 4d 8b ad 48 1b 00 00 e8 fd 88 4e fb [ 48.783309] RSP: 0018:ffff88809452f7d0 EFLAGS: 00010206 [ 48.788700] RAX: dffffc0000000000 RBX: ffff88809452fb30 RCX: ffffffff8609a493 [ 48.795950] RDX: 0000000000000369 RSI: ffffffff86099d75 RDI: 0000000000001b48 [ 48.803255] RBP: ffff88809452f890 R08: ffff8880912f8340 R09: ffffed1015d24733 [ 48.810551] R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 000000000000002c [ 48.817897] R13: 0000000000000000 R14: 0000000000000001 R15: ffff88809452f868 [ 48.825162] FS: 0000000001438880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 48.833403] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.839305] CR2: 000055c1c9cd61b0 CR3: 000000009229e000 CR4: 00000000001406f0 [ 48.846583] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.853909] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.861265] Kernel panic - not syncing: Fatal exception [ 48.867973] Kernel Offset: disabled [ 48.871601] Rebooting in 86400 seconds..