Warning: Permanently added '10.128.0.181' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 41.386884] kasan: CONFIG_KASAN_INLINE enabled [ 41.391565] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 41.399344] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 41.405589] CPU: 1 PID: 6430 Comm: syz-executor146 Not tainted 4.19.114-syzkaller #0 [ 41.413482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.423000] RIP: 0010:nfnetlink_parse_nat_setup+0x21a/0x410 [ 41.428711] Code: c3 89 c6 e8 18 c8 94 fb 85 db 0f 88 72 01 00 00 e8 9b c6 94 fb 49 8d 7e 38 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d2 01 00 00 48 8b 7c 24 08 4c 89 fe 41 ff 56 38 [ 41.447599] RSP: 0018:ffff8880923071e0 EFLAGS: 00010203 [ 41.452971] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff85d2ddc8 [ 41.460234] RDX: 0000000000000007 RSI: ffffffff85d2ddd5 RDI: 000000000000003d [ 41.467497] RBP: ffff88809a4f24c0 R08: ffff88808fb46500 R09: ffff888092307260 [ 41.474748] R10: ffffed1012460e51 R11: ffff88809230728f R12: 0000000000000000 [ 41.482017] R13: 0000000000000000 R14: 0000000000000005 R15: ffff888092307210 [ 41.489271] FS: 000000000263f880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 41.497494] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.503357] CR2: 0000000020000280 CR3: 000000009e476000 CR4: 00000000001406e0 [ 41.510698] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.517950] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.525214] Call Trace: [ 41.527793] ? nf_nat_inet_fn+0x8c0/0x8c0 [ 41.531927] ? __lock_is_held+0xad/0x140 [ 41.535984] ctnetlink_parse_nat_setup+0xb6/0x640 [ 41.540821] ctnetlink_create_conntrack+0x501/0x1280 [ 41.545920] ? ctnetlink_dump_table+0x11e0/0x11e0 [ 41.550754] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 41.555942] ? hash_conntrack_raw+0x2d3/0x450 [ 41.560442] ? nf_ct_unconfirmed_destroy+0xa0/0xa0 [ 41.565405] ? __nf_conntrack_confirm+0x2fc0/0x2fc0 [ 41.570415] ctnetlink_new_conntrack+0x4f5/0xde0 [ 41.575159] ? ctnetlink_create_conntrack+0x1280/0x1280 [ 41.580509] ? mutex_trylock+0x1a0/0x1a0 [ 41.584573] ? __lock_is_held+0xad/0x140 [ 41.588754] ? check_preemption_disabled+0x41/0x280 [ 41.593759] ? ctnetlink_create_conntrack+0x1280/0x1280 [ 41.599110] nfnetlink_rcv_msg+0xc9e/0xf4b [ 41.603398] ? nfnetlink_bind+0x2b0/0x2b0 [ 41.607548] ? __lock_acquire+0x6ee/0x49c0 [ 41.611816] ? __alloc_skb+0xef/0x5b0 [ 41.615646] ? cred_has_capability+0x162/0x2e0 [ 41.620252] ? cred_has_capability+0x16d/0x2e0 [ 41.624835] ? selinux_ipv4_output+0x50/0x50 [ 41.629228] ? selinux_ipv4_output+0x50/0x50 [ 41.633644] netlink_rcv_skb+0x160/0x410 [ 41.637692] ? nfnetlink_bind+0x2b0/0x2b0 [ 41.641833] ? netlink_ack+0xa60/0xa60 [ 41.645707] ? ns_capable_common+0xe2/0x100 [ 41.650011] nfnetlink_rcv+0x1b2/0x420 [ 41.653887] ? nfnetlink_rcv_batch+0x15e0/0x15e0 [ 41.658632] netlink_unicast+0x4d7/0x6a0 [ 41.662677] ? netlink_attachskb+0x710/0x710 [ 41.667072] netlink_sendmsg+0x80b/0xcd0 [ 41.671115] ? netlink_unicast+0x6a0/0x6a0 [ 41.675349] ? move_addr_to_kernel.part.0+0x110/0x110 [ 41.680524] ? netlink_unicast+0x6a0/0x6a0 [ 41.684740] sock_sendmsg+0xcf/0x120 [ 41.688433] ___sys_sendmsg+0x803/0x920 [ 41.692402] ? copy_msghdr_from_user+0x410/0x410 [ 41.697163] ? rcu_read_lock_sched_held+0x10a/0x130 [ 41.702157] ? kmem_cache_alloc+0x31b/0x710 [ 41.706474] ? mark_held_locks+0xf0/0xf0 [ 41.710519] ? percpu_counter_add_batch+0x123/0x180 [ 41.715540] ? alloc_empty_file+0xd7/0x170 [ 41.719756] ? find_held_lock+0x2d/0x110 [ 41.723798] ? __fd_install+0x1b4/0x610 [ 41.727765] ? __fget_light+0x1a2/0x230 [ 41.731720] __sys_sendmsg+0xec/0x1b0 [ 41.735500] ? __ia32_sys_shutdown+0x70/0x70 [ 41.739892] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 41.744630] ? trace_hardirqs_off_caller+0x55/0x210 [ 41.749633] ? do_syscall_64+0x21/0x620 [ 41.753593] do_syscall_64+0xf9/0x620 [ 41.757384] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 41.762555] RIP: 0033:0x440239 [ 41.765730] 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 [ 41.784640] RSP: 002b:00007ffe43d36248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 41.792338] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440239 [ 41.799632] RDX: 0000000000000000 RSI: 0000000020000580 RDI: 0000000000000003 [ 41.806903] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 41.814285] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401ac0 [ 41.821536] R13: 0000000000401b50 R14: 0000000000000000 R15: 0000000000000000 [ 41.828891] Modules linked in: [ 41.832303] ---[ end trace 69e3d812f7f22ed2 ]--- [ 41.837083] RIP: 0010:nfnetlink_parse_nat_setup+0x21a/0x410 [ 41.842868] Code: c3 89 c6 e8 18 c8 94 fb 85 db 0f 88 72 01 00 00 e8 9b c6 94 fb 49 8d 7e 38 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d2 01 00 00 48 8b 7c 24 08 4c 89 fe 41 ff 56 38 [ 41.861830] RSP: 0018:ffff8880923071e0 EFLAGS: 00010203 [ 41.867272] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff85d2ddc8 [ 41.874590] RDX: 0000000000000007 RSI: ffffffff85d2ddd5 RDI: 000000000000003d [ 41.881965] RBP: ffff88809a4f24c0 R08: ffff88808fb46500 R09: ffff888092307260 [ 41.889284] R10: ffffed1012460e51 R11: ffff88809230728f R12: 0000000000000000 [ 41.896602] R13: 0000000000000000 R14: 0000000000000005 R15: ffff888092307210 [ 41.903929] FS: 000000000263f880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 41.912162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.918115] CR2: 0000000020000280 CR3: 000000009e476000 CR4: 00000000001406e0 [ 41.925450] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.932765] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.940043] Kernel panic - not syncing: Fatal exception [ 41.946772] Kernel Offset: disabled [ 41.950516] Rebooting in 86400 seconds..