Warning: Permanently added '10.128.0.39' (ECDSA) to the list of known hosts. executing program [ 55.269309] audit: type=1400 audit(1580432700.175:36): avc: denied { map } for pid=8189 comm="syz-executor987" path="/root/syz-executor987487145" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 55.272996] kasan: CONFIG_KASAN_INLINE enabled [ 55.295961] audit: type=1400 audit(1580432700.175:37): avc: denied { create } for pid=8189 comm="syz-executor987" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 55.300846] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 55.328071] audit: type=1400 audit(1580432700.175:38): avc: denied { write } for pid=8189 comm="syz-executor987" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 55.332160] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 55.362342] CPU: 0 PID: 8189 Comm: syz-executor987 Not tainted 4.19.100-syzkaller #0 [ 55.370207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.379559] RIP: 0010:get_unique_tuple+0x27a/0x1d40 [ 55.384597] Code: c1 e9 03 80 3c 11 00 0f 85 cb 17 00 00 4a 8b 14 e5 20 24 ce 89 4c 8d 24 c2 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 97 17 00 00 49 8b 04 24 48 89 85 08 ff ff ff e8 [ 55.403488] RSP: 0018:ffff88807db56d70 EFLAGS: 00010246 [ 55.408859] RAX: dffffc0000000000 RBX: ffff88807db56f28 RCX: 1ffffffff139c506 [ 55.416138] RDX: 0000000000000000 RSI: ffffffff85fc27b7 RDI: ffffffff89ce2830 [ 55.423417] RBP: ffff88807db56ec8 R08: ffff88807f280240 R09: ffffed1015d04733 [ 55.430673] R10: ffffed1015d04732 R11: ffff8880ae823993 R12: 0000000000000000 [ 55.437926] R13: 0000000000000001 R14: ffff88809b35ab00 R15: ffff88807db56f78 [ 55.445407] FS: 0000000001c9b880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 55.453614] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.459477] CR2: 000055af8cc4d180 CR3: 000000009e91a000 CR4: 00000000001406f0 [ 55.466730] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.473994] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.481246] Call Trace: [ 55.483821] ? nf_ct_invert_tuplepr+0x125/0x200 [ 55.488485] ? find_held_lock+0x35/0x130 [ 55.492537] ? hash_by_src+0x3c0/0x3c0 [ 55.496406] ? lock_downgrade+0x880/0x880 [ 55.500553] ? kasan_check_read+0x11/0x20 [ 55.504699] nf_nat_setup_info+0x212/0x9e0 [ 55.508919] ? nf_nat_proto_clean+0x200/0x200 [ 55.513400] ? save_stack+0x45/0xd0 [ 55.517013] ? kasan_kmalloc+0xce/0xf0 [ 55.520887] ? kasan_slab_alloc+0xf/0x20 [ 55.525101] ? kmem_cache_alloc+0x12e/0x700 [ 55.529421] ? __nf_conntrack_alloc+0xdb/0x680 [ 55.533999] ? nf_conntrack_alloc+0x38/0x50 [ 55.538305] ? ctnetlink_create_conntrack+0xd0/0x1300 [ 55.543489] ? ctnetlink_new_conntrack+0x527/0xe50 [ 55.548402] ? nfnetlink_rcv_msg+0xd0d/0xfcf [ 55.552792] ? netlink_rcv_skb+0x17d/0x460 [ 55.557014] ? nfnetlink_rcv+0x1c0/0x460 [ 55.561062] ? netlink_unicast+0x53a/0x730 [ 55.565293] ? netlink_sendmsg+0x8ae/0xd70 [ 55.569511] ? sock_sendmsg+0xd7/0x130 [ 55.573381] ? ___sys_sendmsg+0x803/0x920 [ 55.577608] ? __sys_sendmsg+0x105/0x1d0 [ 55.581649] ? __x64_sys_sendmsg+0x78/0xb0 [ 55.585892] ? do_syscall_64+0xfd/0x620 [ 55.589850] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.595285] ? mark_held_locks+0x100/0x100 [ 55.599518] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 55.604609] ? depot_save_stack+0x1de/0x44f [ 55.608918] __nf_nat_alloc_null_binding+0x164/0x1d0 [ 55.614004] ? nf_nat_setup_info+0x9e0/0x9e0 [ 55.618401] nfnetlink_parse_nat_setup+0x3ca/0x450 [ 55.623339] ? nf_nat_inet_fn+0x8b0/0x8b0 [ 55.627475] ? rcu_read_lock_sched_held+0x110/0x130 [ 55.632472] ? __lock_is_held+0xb6/0x140 [ 55.636613] ctnetlink_parse_nat_setup+0xc5/0x660 [ 55.641599] ctnetlink_create_conntrack+0x4ea/0x1300 [ 55.646722] ? ctnetlink_dump_table+0x12e0/0x12e0 [ 55.651562] ? __nf_conntrack_confirm+0x31e0/0x31e0 [ 55.656571] ctnetlink_new_conntrack+0x527/0xe50 [ 55.661327] ? ctnetlink_create_conntrack+0x1300/0x1300 [ 55.666741] ? find_held_lock+0x35/0x130 [ 55.670845] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 55.676030] ? ctnetlink_create_conntrack+0x1300/0x1300 [ 55.681383] nfnetlink_rcv_msg+0xd0d/0xfcf [ 55.685640] ? nfnetlink_bind+0x2c0/0x2c0 [ 55.689776] ? avc_has_extended_perms+0x10f0/0x10f0 [ 55.694778] ? __save_stack_trace+0x99/0x100 [ 55.699184] ? selinux_ipv4_output+0x50/0x50 [ 55.703578] ? netlink_sendmsg+0x97b/0xd70 [ 55.707800] ? mark_held_locks+0x100/0x100 [ 55.712036] netlink_rcv_skb+0x17d/0x460 [ 55.716083] ? nfnetlink_bind+0x2c0/0x2c0 [ 55.720215] ? netlink_ack+0xb30/0xb30 [ 55.724086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.729608] ? ns_capable_common+0x93/0x100 [ 55.733912] ? ns_capable+0x20/0x30 [ 55.737525] ? __netlink_ns_capable+0x104/0x140 [ 55.742186] nfnetlink_rcv+0x1c0/0x460 [ 55.746068] ? nfnetlink_rcv_batch+0x1750/0x1750 [ 55.750838] ? netlink_deliver_tap+0x254/0xc20 [ 55.755415] ? kasan_check_write+0x14/0x20 [ 55.759645] netlink_unicast+0x53a/0x730 [ 55.763711] ? netlink_attachskb+0x770/0x770 [ 55.769164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.774699] netlink_sendmsg+0x8ae/0xd70 [ 55.778775] ? netlink_unicast+0x730/0x730 [ 55.783070] ? selinux_socket_sendmsg+0x36/0x40 [ 55.787734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.793322] ? security_socket_sendmsg+0x8d/0xc0 [ 55.798075] ? netlink_unicast+0x730/0x730 [ 55.802304] sock_sendmsg+0xd7/0x130 [ 55.806056] ___sys_sendmsg+0x803/0x920 [ 55.810024] ? copy_msghdr_from_user+0x430/0x430 [ 55.814778] ? rcu_read_lock_sched_held+0x110/0x130 [ 55.819791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.825406] ? percpu_counter_add_batch+0x13c/0x190 [ 55.830459] ? __fd_install+0x1bc/0x640 [ 55.834423] ? find_held_lock+0x35/0x130 [ 55.838475] ? __fd_install+0x1bc/0x640 [ 55.842439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.847961] ? __fget_light+0x1a9/0x230 [ 55.851920] ? __fdget+0x1b/0x20 [ 55.855273] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 55.861060] __sys_sendmsg+0x105/0x1d0 [ 55.864934] ? __ia32_sys_shutdown+0x80/0x80 [ 55.869335] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 55.874079] ? do_syscall_64+0x26/0x620 [ 55.878169] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.883522] ? do_syscall_64+0x26/0x620 [ 55.887506] __x64_sys_sendmsg+0x78/0xb0 [ 55.891555] do_syscall_64+0xfd/0x620 [ 55.895346] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.900521] RIP: 0033:0x440239 [ 55.903702] 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 [ 55.922591] RSP: 002b:00007ffdbd8f5bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 55.930286] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440239 [ 55.937543] RDX: 0000000000000000 RSI: 0000000020000640 RDI: 0000000000000003 [ 55.944859] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 55.952125] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401ac0 [ 55.959391] R13: 0000000000401b50 R14: 0000000000000000 R15: 0000000000000000 [ 55.966657] Modules linked in: [ 55.970419] ---[ end trace 01cba1459a24a0da ]--- [ 55.975187] RIP: 0010:get_unique_tuple+0x27a/0x1d40 [ 55.980226] Code: c1 e9 03 80 3c 11 00 0f 85 cb 17 00 00 4a 8b 14 e5 20 24 ce 89 4c 8d 24 c2 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 97 17 00 00 49 8b 04 24 48 89 85 08 ff ff ff e8 [ 55.999283] RSP: 0018:ffff88807db56d70 EFLAGS: 00010246 [ 56.004635] RAX: dffffc0000000000 RBX: ffff88807db56f28 RCX: 1ffffffff139c506 [ 56.011933] RDX: 0000000000000000 RSI: ffffffff85fc27b7 RDI: ffffffff89ce2830 [ 56.019236] RBP: ffff88807db56ec8 R08: ffff88807f280240 R09: ffffed1015d04733 [ 56.026491] R10: ffffed1015d04732 R11: ffff8880ae823993 R12: 0000000000000000 [ 56.033769] R13: 0000000000000001 R14: ffff88809b35ab00 R15: ffff88807db56f78 [ 56.041084] FS: 0000000001c9b880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 56.049323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.055198] CR2: 000055af8cc4d180 CR3: 000000009e91a000 CR4: 00000000001406f0 [ 56.062484] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.069780] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.077075] Kernel panic - not syncing: Fatal exception [ 56.083211] Kernel Offset: disabled [ 56.086850] Rebooting in 86400 seconds..