Warning: Permanently added '10.128.0.145' (ECDSA) to the list of known hosts. syzkaller login: [ 50.681804][ T7796] IPVS: ftp: loaded support on port[0] = 21 [ 50.682296][ T7797] IPVS: ftp: loaded support on port[0] = 21 [ 50.697103][ T7798] IPVS: ftp: loaded support on port[0] = 21 [ 50.699603][ T7799] IPVS: ftp: loaded support on port[0] = 21 [ 50.708245][ T7800] IPVS: ftp: loaded support on port[0] = 21 [ 50.715651][ T7801] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 55.182290][T10664] kasan: CONFIG_KASAN_INLINE enabled [ 55.187610][T10664] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 55.195676][T10664] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 55.202611][T10664] CPU: 0 PID: 10664 Comm: syz-executor179 Not tainted 5.1.0-rc6 #78 [ 55.210577][T10664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.220675][T10664] RIP: 0010:__lock_acquire+0xbef/0x3fb0 executing program executing program executing program [ 55.226218][T10664] Code: 00 0f 85 a5 1f 00 00 48 81 c4 10 01 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 4a 21 00 00 49 81 7d 00 20 54 9c 89 0f 84 cf f4 [ 55.245846][T10664] RSP: 0018:ffff8880a4f8ef48 EFLAGS: 00010002 [ 55.251911][T10664] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 55.259870][T10664] RDX: 0000000000000026 RSI: 0000000000000000 RDI: 0000000000000001 [ 55.267825][T10664] RBP: ffff8880a4f8f080 R08: 0000000000000001 R09: 0000000000000001 executing program executing program executing program executing program [ 55.275796][T10664] R10: ffffed1015d05bc7 R11: ffff888099974440 R12: 0000000000000000 [ 55.283754][T10664] R13: 0000000000000130 R14: 0000000000000001 R15: 0000000000000001 [ 55.291714][T10664] FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000f7f43b40 [ 55.300660][T10664] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 55.307226][T10664] CR2: 00000000080e5768 CR3: 00000000951a6000 CR4: 00000000001406f0 [ 55.315262][T10664] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.323219][T10664] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.331173][T10664] Call Trace: [ 55.334482][T10664] ? mark_held_locks+0xf0/0xf0 [ 55.339261][T10664] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 55.344983][T10664] lock_acquire+0x16f/0x3f0 [ 55.349506][T10664] ? skb_queue_tail+0x26/0x150 [ 55.354289][T10664] _raw_spin_lock_irqsave+0x95/0xcd [ 55.359589][T10664] ? skb_queue_tail+0x26/0x150 [ 55.364349][T10664] skb_queue_tail+0x26/0x150 [ 55.368926][T10664] ? rxrpc_input_data+0x2430/0x2430 [ 55.374129][T10664] ? rxrpc_input_data+0x2430/0x2430 [ 55.379368][T10664] rxrpc_input_packet+0x4a0/0x5536 [ 55.384492][T10664] ? __lock_acquire+0x548/0x3fb0 [ 55.389445][T10664] ? __nf_conntrack_find_get+0xe41/0x1970 [ 55.395154][T10664] ? rxrpc_input_data+0x2430/0x2430 [ 55.400352][T10664] ? nf_ct_deliver_cached_events+0x216/0x6e0 [ 55.406343][T10664] ? find_held_lock+0x35/0x130 [ 55.411109][T10664] ? rxrpc_input_data+0x2430/0x2430 [ 55.416308][T10664] udp_queue_rcv_one_skb+0xaf2/0x1780 [ 55.421671][T10664] udp_queue_rcv_skb+0x128/0x730 [ 55.426601][T10664] udp_unicast_rcv_skb.isra.0+0xb9/0x360 [ 55.432224][T10664] __udp4_lib_rcv+0x701/0x2ca0 [ 55.436993][T10664] ? mark_held_locks+0xf0/0xf0 [ 55.441762][T10664] udp_rcv+0x22/0x30 [ 55.445650][T10664] ip_protocol_deliver_rcu+0x60/0x8f0 [ 55.451028][T10664] ? kasan_check_read+0x11/0x20 [ 55.455891][T10664] ? rcu_dynticks_curr_cpu_in_eqs+0x54/0xb0 [ 55.461788][T10664] ip_local_deliver_finish+0x23b/0x390 [ 55.467244][T10664] ip_local_deliver+0x1e9/0x520 [ 55.472089][T10664] ? ip_local_deliver_finish+0x390/0x390 [ 55.477725][T10664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.483962][T10664] ? ip_protocol_deliver_rcu+0x8f0/0x8f0 [ 55.489586][T10664] ip_rcv_finish+0x1e1/0x300 [ 55.494183][T10664] ip_rcv+0xe8/0x3f0 [ 55.498069][T10664] ? ip_local_deliver+0x520/0x520 [ 55.503097][T10664] ? ip_rcv_finish_core.isra.0+0x1b70/0x1b70 [ 55.509063][T10664] ? mark_held_locks+0xf0/0xf0 [ 55.513816][T10664] ? ip_local_deliver+0x520/0x520 [ 55.518840][T10664] __netif_receive_skb_one_core+0x115/0x1a0 [ 55.524746][T10664] ? __netif_receive_skb_core+0x3040/0x3040 [ 55.530620][T10664] ? lock_acquire+0x16f/0x3f0 [ 55.535288][T10664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.541535][T10664] __netif_receive_skb+0x2c/0x1c0 [ 55.546558][T10664] netif_receive_skb_internal+0x117/0x660 [ 55.552276][T10664] ? dev_cpu_dead+0x920/0x920 [ 55.556954][T10664] ? eth_gro_receive+0x890/0x890 [ 55.561908][T10664] napi_gro_frags+0xade/0xd10 [ 55.566600][T10664] tun_get_user+0x2f24/0x3fb0 [ 55.571285][T10664] ? tun_build_skb.isra.0+0x1300/0x1300 [ 55.576833][T10664] ? tun_get+0x171/0x290 [ 55.581068][T10664] ? lock_downgrade+0x880/0x880 [ 55.585909][T10664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.592138][T10664] ? kasan_check_read+0x11/0x20 [ 55.596987][T10664] tun_chr_write_iter+0xbd/0x156 [ 55.601906][T10664] do_iter_readv_writev+0x5e1/0x8e0 [ 55.607093][T10664] ? vfs_dedupe_file_range+0x780/0x780 [ 55.612572][T10664] ? apparmor_file_permission+0x25/0x30 [ 55.618123][T10664] ? rw_verify_area+0x118/0x360 [ 55.622991][T10664] do_iter_write+0x184/0x610 [ 55.627574][T10664] ? iov_iter_get_pages+0xfc0/0xfc0 [ 55.632763][T10664] ? __fget+0x35a/0x550 [ 55.636912][T10664] compat_writev+0x1f6/0x3a0 [ 55.641490][T10664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.647723][T10664] ? do_pwritev+0x280/0x280 [ 55.652209][T10664] ? ksys_dup3+0x3e0/0x3e0 [ 55.656619][T10664] ? __fget_light+0x1a9/0x230 [ 55.661298][T10664] do_compat_writev+0xf5/0x1f0 [ 55.666064][T10664] ? compat_writev+0x3a0/0x3a0 [ 55.670816][T10664] ? do_fast_syscall_32+0xd1/0xc98 [ 55.675934][T10664] ? entry_SYSENTER_compat+0x70/0x7f [ 55.681210][T10664] ? do_fast_syscall_32+0xd1/0xc98 [ 55.686315][T10664] __ia32_compat_sys_writev+0x74/0xb0 [ 55.691689][T10664] do_fast_syscall_32+0x281/0xc98 [ 55.696711][T10664] entry_SYSENTER_compat+0x70/0x7f [ 55.701805][T10664] RIP: 0023:0xf7f68869 [ 55.705960][T10664] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 55.725541][T10664] RSP: 002b:00000000f7f430e4 EFLAGS: 00000292 ORIG_RAX: 0000000000000092 [ 55.733934][T10664] RAX: ffffffffffffffda RBX: 00000000000000f0 RCX: 00000000f7f43114 [ 55.741899][T10664] RDX: 0000000000000001 RSI: 00000000080fe010 RDI: 00000000080fe01c [ 55.749849][T10664] RBP: 00000000f7f43228 R08: 0000000000000000 R09: 0000000000000000 [ 55.757799][T10664] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 55.765752][T10664] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 55.773723][T10664] Modules linked in: [ 55.777625][T10664] ---[ end trace 00d25a5360ad5e42 ]--- [ 55.783094][T10664] RIP: 0010:__lock_acquire+0xbef/0x3fb0 [ 55.788627][T10664] Code: 00 0f 85 a5 1f 00 00 48 81 c4 10 01 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 4a 21 00 00 49 81 7d 00 20 54 9c 89 0f 84 cf f4 [ 55.808214][T10664] RSP: 0018:ffff8880a4f8ef48 EFLAGS: 00010002 [ 55.814270][T10664] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 55.822226][T10664] RDX: 0000000000000026 RSI: 0000000000000000 RDI: 0000000000000001 [ 55.830198][T10664] RBP: ffff8880a4f8f080 R08: 0000000000000001 R09: 0000000000000001 [ 55.838180][T10664] R10: ffffed1015d05bc7 R11: ffff888099974440 R12: 0000000000000000 [ 55.846145][T10664] R13: 0000000000000130 R14: 0000000000000001 R15: 0000000000000001 [ 55.854119][T10664] FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000f7f43b40 [ 55.863037][T10664] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 55.869597][T10664] CR2: 00000000080e5768 CR3: 00000000951a6000 CR4: 00000000001406f0 [ 55.877549][T10664] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.885498][T10664] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.893458][T10664] Kernel panic - not syncing: Fatal exception in interrupt [ 55.901566][T10664] Kernel Offset: disabled [ 55.906053][T10664] Rebooting in 86400 seconds..