Warning: Permanently added '10.128.15.208' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 39.790925] kasan: CONFIG_KASAN_INLINE enabled [ 39.796006] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 39.804888] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 39.811149] CPU: 0 PID: 6434 Comm: syz-executor091 Not tainted 4.19.114-syzkaller #0 [ 39.819129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.830230] RIP: 0010:get_unique_tuple+0x27a/0x1d50 [ 39.835258] Code: c1 e9 03 80 3c 11 00 0f 85 cd 17 00 00 4a 8b 14 e5 a0 0f 8e 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 99 17 00 00 49 8b 04 24 48 89 85 08 ff ff ff e8 [ 39.854397] RSP: 0018:ffff888089f1ee18 EFLAGS: 00010246 [ 39.859758] RAX: dffffc0000000000 RBX: ffff888089f1efc0 RCX: 1ffffffff131c279 [ 39.867166] RDX: 0000000000000000 RSI: ffffffff85d2a937 RDI: ffffffff898e13c8 [ 39.874431] RBP: ffff888089f1ef70 R08: ffff8880a741a040 R09: ffffed1015cc4733 [ 39.881715] R10: ffffed1015cc4732 R11: ffff8880ae623993 R12: 0000000000000000 [ 39.889535] R13: 0000000000000001 R14: ffff888089f1f010 R15: ffff8880a7b22d80 [ 39.896810] FS: 0000000000a12880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 39.905083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.910953] CR2: 0000000020000280 CR3: 000000009fd06000 CR4: 00000000001406f0 [ 39.918214] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.925468] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.932724] Call Trace: [ 39.935439] ? find_held_lock+0x2d/0x110 [ 39.939503] ? nf_ct_invert_tuplepr+0x118/0x1f0 [ 39.944155] ? hash_by_src+0x3a0/0x3a0 [ 39.948045] ? lock_downgrade+0x740/0x740 [ 39.952178] ? check_preemption_disabled+0x41/0x280 [ 39.957204] nf_nat_setup_info+0x1c3/0x840 [ 39.961431] ? nf_nat_proto_clean+0x1f0/0x1f0 [ 39.965925] ? _raw_spin_unlock_irqrestore+0xa0/0xe0 [ 39.971012] ? save_stack+0x89/0xa0 [ 39.974624] ? kasan_kmalloc+0xbf/0xe0 [ 39.978496] ? kmem_cache_alloc+0x127/0x710 [ 39.982813] ? __nf_conntrack_alloc+0xd6/0x670 [ 39.987385] ? ctnetlink_create_conntrack+0xb1/0x1280 [ 39.992569] ? ctnetlink_new_conntrack+0x4f5/0xde0 [ 39.997594] ? nfnetlink_rcv_msg+0xc9e/0xf4b [ 40.002106] ? netlink_rcv_skb+0x160/0x410 [ 40.006331] ? nfnetlink_rcv+0x1b2/0x420 [ 40.010413] ? netlink_unicast+0x4d7/0x6a0 [ 40.015313] ? netlink_sendmsg+0x80b/0xcd0 [ 40.019624] ? sock_sendmsg+0xcf/0x120 [ 40.023500] ? ___sys_sendmsg+0x803/0x920 [ 40.027647] ? __sys_sendmsg+0xec/0x1b0 [ 40.031607] ? do_syscall_64+0xf9/0x620 [ 40.035579] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.040934] __nf_nat_alloc_null_binding+0x164/0x1d0 [ 40.046057] ? nf_nat_setup_info+0x840/0x840 [ 40.050455] ? mark_held_locks+0xf0/0xf0 [ 40.054515] ? __lock_is_held+0xad/0x140 [ 40.058683] nfnetlink_parse_nat_setup+0x38f/0x410 [ 40.063615] ? nf_nat_inet_fn+0x8c0/0x8c0 [ 40.067753] ? __nf_conntrack_alloc+0xd6/0x670 [ 40.072454] ? __lock_is_held+0xad/0x140 [ 40.076959] ctnetlink_parse_nat_setup+0xb6/0x640 [ 40.081976] ctnetlink_create_conntrack+0x4b7/0x1280 [ 40.087074] ? ctnetlink_dump_table+0x11e0/0x11e0 [ 40.091907] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 40.097091] ? hash_conntrack_raw+0x2d3/0x450 [ 40.101586] ? nf_ct_unconfirmed_destroy+0xa0/0xa0 [ 40.106518] ? __nf_conntrack_confirm+0x2fc0/0x2fc0 [ 40.111995] ctnetlink_new_conntrack+0x4f5/0xde0 [ 40.116738] ? ctnetlink_create_conntrack+0x1280/0x1280 [ 40.122088] ? mutex_trylock+0x1a0/0x1a0 [ 40.126423] ? __lock_is_held+0xad/0x140 [ 40.130489] ? check_preemption_disabled+0x41/0x280 [ 40.135496] ? ctnetlink_create_conntrack+0x1280/0x1280 [ 40.140860] nfnetlink_rcv_msg+0xc9e/0xf4b [ 40.145100] ? nfnetlink_bind+0x2b0/0x2b0 [ 40.149317] ? __lock_acquire+0x6ee/0x49c0 [ 40.153570] ? __alloc_skb+0xef/0x5b0 [ 40.157397] ? cred_has_capability+0x162/0x2e0 [ 40.161980] ? cred_has_capability+0x16d/0x2e0 [ 40.166680] ? selinux_ipv4_output+0x50/0x50 [ 40.171080] ? selinux_ipv4_output+0x50/0x50 [ 40.176105] netlink_rcv_skb+0x160/0x410 [ 40.180160] ? nfnetlink_bind+0x2b0/0x2b0 [ 40.184470] ? netlink_ack+0xa60/0xa60 [ 40.188421] ? ns_capable_common+0xe2/0x100 [ 40.192737] nfnetlink_rcv+0x1b2/0x420 [ 40.196619] ? nfnetlink_rcv_batch+0x15e0/0x15e0 [ 40.201447] netlink_unicast+0x4d7/0x6a0 [ 40.205521] ? netlink_attachskb+0x710/0x710 [ 40.209944] netlink_sendmsg+0x80b/0xcd0 [ 40.214047] ? netlink_unicast+0x6a0/0x6a0 [ 40.218539] ? move_addr_to_kernel.part.0+0x110/0x110 [ 40.223743] ? netlink_unicast+0x6a0/0x6a0 [ 40.227976] sock_sendmsg+0xcf/0x120 [ 40.231990] ___sys_sendmsg+0x803/0x920 [ 40.237376] ? copy_msghdr_from_user+0x410/0x410 [ 40.242426] ? rcu_read_lock_sched_held+0x10a/0x130 [ 40.247429] ? kmem_cache_alloc+0x31b/0x710 [ 40.251743] ? percpu_counter_add_batch+0x123/0x180 [ 40.256747] ? alloc_empty_file+0xd7/0x170 [ 40.260979] ? find_held_lock+0x2d/0x110 [ 40.265026] ? __fd_install+0x1b4/0x610 [ 40.268985] ? __fget_light+0x1a2/0x230 [ 40.273901] __sys_sendmsg+0xec/0x1b0 [ 40.277698] ? __ia32_sys_shutdown+0x70/0x70 [ 40.282191] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.286941] ? trace_hardirqs_off_caller+0x55/0x210 [ 40.291956] ? do_syscall_64+0x21/0x620 [ 40.295924] do_syscall_64+0xf9/0x620 [ 40.299812] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.305004] RIP: 0033:0x440249 [ 40.308193] 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 [ 40.327386] RSP: 002b:00007fff7e160518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 40.335146] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440249 [ 40.342532] RDX: 0000000000000000 RSI: 0000000020000640 RDI: 0000000000000003 [ 40.349801] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 40.357781] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401ad0 [ 40.365033] R13: 0000000000401b60 R14: 0000000000000000 R15: 0000000000000000 [ 40.372302] Modules linked in: [ 40.376136] ---[ end trace 89c30550175f4757 ]--- [ 40.380919] RIP: 0010:get_unique_tuple+0x27a/0x1d50 [ 40.385944] Code: c1 e9 03 80 3c 11 00 0f 85 cd 17 00 00 4a 8b 14 e5 a0 0f 8e 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 99 17 00 00 49 8b 04 24 48 89 85 08 ff ff ff e8 [ 40.404941] RSP: 0018:ffff888089f1ee18 EFLAGS: 00010246 [ 40.410353] RAX: dffffc0000000000 RBX: ffff888089f1efc0 RCX: 1ffffffff131c279 [ 40.417674] RDX: 0000000000000000 RSI: ffffffff85d2a937 RDI: ffffffff898e13c8 [ 40.424946] RBP: ffff888089f1ef70 R08: ffff8880a741a040 R09: ffffed1015cc4733 [ 40.432445] R10: ffffed1015cc4732 R11: ffff8880ae623993 R12: 0000000000000000 [ 40.439850] R13: 0000000000000001 R14: ffff888089f1f010 R15: ffff8880a7b22d80 [ 40.447480] FS: 0000000000a12880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 40.455711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.461673] CR2: 0000000020000280 CR3: 000000009fd06000 CR4: 00000000001406f0 [ 40.469035] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.476398] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.483723] Kernel panic - not syncing: Fatal exception [ 40.490379] Kernel Offset: disabled [ 40.494035] Rebooting in 86400 seconds..