Warning: Permanently added '10.128.0.168' (ECDSA) to the list of known hosts. [* ] A start job is running for dev-ttyS0.device (8s / 1min 30s) [** ] A start job is running for dev-ttyS0.device (9s / 1min 30s) [*** ] A start job is running for dev-ttyS0.device (9s / 1min 30s) [ *** ] A start job is running for dev-ttyS0.device (10s / 1min 30s) [ *** ] A start job is running for dev-ttyS0.device (11s / 1min 30s) [ ***] A start job is running for dev-ttyS0.device (11s / 1min 30s) [ **] A start job is running for dev-ttyS0.device (12s / 1min 30s) [ *] A start job is running for dev-ttyS0.device (12s / 1min 30s) [ **] A start job is running for dev-ttyS0.device (13s / 1min 30s) [ ***] A start job is running for dev-ttyS0.device (14s / 1min 30s) [ *** ] A start job is running for dev-ttyS0.device (14s / 1min 30s) [ *** ] A start job is running for dev-ttyS0.device (15s / 1min 30s) [*** ] A start job is running for dev-ttyS0.device (16s / 1min 30s) [** ] A start job is running for dev-ttyS0.device (16s / 1min 30s) [* ] A start job is running for dev-ttyS0.device (17s / 1min 30s) [** ] A start job is running for dev-ttyS0.device (17s / 1min 30s)[ 24.260920][ T22] audit: type=1400 audit(1601404605.571:8): avc: denied { execmem } for pid=342 comm="syz-executor863" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 24.288117][ C1] random: crng init done [ 24.292374][ C1] random: 7 urandom warning(s) missed due to ratelimiting executing program [*** ] A start job is running for dev-ttyS0.device (18s / 1min 30s) [ *** ] A start job is running for dev-ttyS0.device (19s / 1min 30s)[ 25.015292][ T344] FAULT_INJECTION: forcing a failure. [ 25.015292][ T344] name failslab, interval 1, probability 0, space 0, times 1 [ 25.028647][ T344] CPU: 1 PID: 344 Comm: syz-executor863 Not tainted 5.4.68-syzkaller-00471-g6fa60aa03b21 #0 [ 25.038685][ T344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.048712][ T344] Call Trace: [ 25.051977][ T344] dump_stack+0x1b0/0x21e [ 25.056277][ T344] ? devkmsg_release+0x11c/0x11c [ 25.061183][ T344] ? show_regs_print_info+0x12/0x12 [ 25.066349][ T344] should_fail+0x6fb/0x860 [ 25.070734][ T344] ? setup_fault_attr+0x2b0/0x2b0 [ 25.075745][ T344] ? unwind_get_return_address+0x48/0x90 [ 25.081343][ T344] ? arch_stack_walk+0x98/0xe0 [ 25.086076][ T344] ? __alloc_skb+0x88/0x4d0 [ 25.090551][ T344] should_failslab+0x5/0x20 [ 25.095135][ T344] kmem_cache_alloc+0x36/0x250 [ 25.099896][ T344] __alloc_skb+0x88/0x4d0 [ 25.104192][ T344] skb_copy+0xe3/0x740 [ 25.108239][ T344] ? memcpy+0x38/0x50 [ 25.112207][ T344] tipc_buf_append+0x461/0xad0 [ 25.116942][ T344] ? __kasan_kmalloc+0x117/0x1b0 [ 25.122821][ T344] ? tipc_msg_create+0x3a0/0x3a0 [ 25.127731][ T344] ? skb_clone+0x1f4/0x370 [ 25.132135][ T344] tipc_msg_reassemble+0x331/0x590 [ 25.137228][ T344] ? tipc_msg_lookup_dest+0x980/0x980 [ 25.142565][ T344] ? xas_create+0x1269/0x1360 [ 25.147208][ T344] ? __rcu_read_lock+0x50/0x50 [ 25.151940][ T344] ? should_fail+0x182/0x860 [ 25.156514][ T344] ? should_fail+0x182/0x860 [ 25.161086][ T344] ? setup_fault_attr+0x2b0/0x2b0 [ 25.166085][ T344] tipc_mcast_xmit+0x223/0x1690 [ 25.170910][ T344] ? tipc_bcast_dec_bearer_dst_cnt+0x240/0x240 [ 25.177032][ T344] ? __check_object_size+0x2e5/0x3b0 [ 25.182301][ T344] tipc_sendmcast+0xc00/0xeb0 [ 25.186945][ T344] ? tipc_send_group_unicast+0x7d0/0x7d0 [ 25.192560][ T344] ? __ext4_handle_dirty_metadata+0x2d8/0x900 [ 25.199027][ T344] ? wait_woken+0x250/0x250 [ 25.203512][ T344] ? ext4_get_group_desc+0x253/0x2a0 [ 25.208762][ T344] ? __ext4_journal_get_create_access+0x300/0x300 [ 25.215141][ T344] ? __ext4_get_inode_loc+0x499/0x1030 [ 25.220583][ T344] __tipc_sendmsg+0x120d/0x2ce0 [ 25.225402][ T344] ? local_bh_enable+0x20/0x20 [ 25.230153][ T344] ? __kthread_should_park+0xa5/0xe0 [ 25.235412][ T344] ? _local_bh_enable+0x30/0x30 [ 25.240245][ T344] ? memset+0x1f/0x40 [ 25.244195][ T344] ? selinux_socket_sendmsg+0x10b/0x320 [ 25.249709][ T344] ? lock_sock_nested+0x25a/0x320 [ 25.254700][ T344] ? xas_load+0x468/0x4c0 [ 25.258997][ T344] ? ktime_get_coarse_real_ts64+0xd9/0xf0 [ 25.264700][ T344] ? __ext4_journal_start_sb+0x3ad/0x420 [ 25.270313][ T344] ? tipc_recvmsg+0x1740/0x1740 [ 25.275131][ T344] tipc_sendmsg+0x51/0x70 [ 25.279443][ T344] kernel_sendmsg+0xe2/0x120 [ 25.284003][ T344] sock_no_sendpage+0x13f/0x1b0 [ 25.288842][ T344] ? __receive_sock+0xb0/0xb0 [ 25.293503][ T344] ? ktime_get_coarse_real_ts64+0xd9/0xf0 [ 25.299187][ T344] ? __receive_sock+0xb0/0xb0 [ 25.303832][ T344] sock_sendpage+0xd0/0x120 [ 25.308307][ T344] pipe_to_sendpage+0x23b/0x300 [ 25.313141][ T344] ? sock_fasync+0xf0/0xf0 [ 25.317523][ T344] ? generic_splice_sendpage+0x200/0x200 [ 25.323197][ T344] ? atime_needs_update+0x378/0x570 [ 25.328374][ T344] ? page_cache_pipe_buf_confirm+0x113/0x210 [ 25.334323][ T344] __splice_from_pipe+0x2d3/0x870 [ 25.339322][ T344] ? generic_splice_sendpage+0x200/0x200 [ 25.345002][ T344] generic_splice_sendpage+0x172/0x200 [ 25.350436][ T344] ? iter_file_splice_write+0xf20/0xf20 [ 25.356059][ T344] ? direct_splice_actor+0x25/0x120 [ 25.361237][ T344] splice_direct_to_actor+0x496/0xb00 [ 25.366584][ T344] ? do_splice_direct+0x3d0/0x3d0 [ 25.371577][ T344] ? pipe_to_sendpage+0x300/0x300 [ 25.376628][ T344] ? security_file_permission+0x128/0x300 [ 25.382340][ T344] do_splice_direct+0x279/0x3d0 [ 25.387163][ T344] ? splice_direct_to_actor+0xb00/0xb00 [ 25.392677][ T344] ? security_file_permission+0x128/0x300 [ 25.398364][ T344] do_sendfile+0x89d/0x1110 [ 25.402835][ T344] ? compat_writev+0x390/0x390 [ 25.407566][ T344] ? security_file_permission+0x128/0x300 [ 25.413255][ T344] ? vfs_write+0x427/0x4f0 [ 25.417642][ T344] __x64_sys_sendfile64+0x1ae/0x220 [ 25.422809][ T344] ? __ia32_sys_sendfile+0x240/0x240 [ 25.428062][ T344] ? do_user_addr_fault+0x55c/0x9f0 [ 25.433314][ T344] do_syscall_64+0xcb/0x150 [ 25.437811][ T344] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 25.443690][ T344] RIP: 0033:0x4443b9 [ 25.447573][ T344] Code: 43 02 00 85 c0 b8 00 00 00 00 48 0f 44 c3 5b c3 90 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 6b 0b fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 25.467156][ T344] RSP: 002b:00007fffd8f83588 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 25.475537][ T344] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004443b9 [ 25.483496][ T344] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 25.491443][ T344] RBP: 00007fffd8f835f0 R08: 0000000000000002 R09: 0000000600003034 [ 25.499383][ T344] R10: 0000000000200fc0 R11: 0000000000000246 R12: ffffffffffffffff [ 25.507342][ T344] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 25.516477][ T344] tipc: Failed do clone local mcast rcv buffer [ 25.523038][ T344] ================================================================== [ 25.531425][ T344] BUG: KASAN: use-after-free in tipc_mcast_xmit+0x101f/0x1690 [ 25.539019][ T344] Read of size 8 at addr ffff8881c3085b80 by task syz-executor863/344 [ 25.547204][ T344] [ 25.549517][ T344] CPU: 0 PID: 344 Comm: syz-executor863 Not tainted 5.4.68-syzkaller-00471-g6fa60aa03b21 #0 [ 25.559546][ T344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.569662][ T344] Call Trace: [ 25.572975][ T344] dump_stack+0x1b0/0x21e [ 25.577282][ T344] ? show_regs_print_info+0x12/0x12 [ 25.582449][ T344] ? printk+0xc0/0x104 [ 25.586498][ T344] ? printk+0xc0/0x104 [ 25.590547][ T344] print_address_description+0x96/0x5d0 [ 25.596097][ T344] ? devkmsg_release+0x11c/0x11c [ 25.601006][ T344] ? skb_clone+0x1f4/0x370 [ 25.605413][ T344] ? kfree_skb+0x1b6/0x220 [ 25.609815][ T344] ? tipc_msg_reassemble+0x3e2/0x590 [ 25.615076][ T344] __kasan_report+0x14b/0x1c0 [ 25.619729][ T344] ? tipc_mcast_xmit+0x101f/0x1690 [ 25.624813][ T344] kasan_report+0x27/0x50 [ 25.629116][ T344] tipc_mcast_xmit+0x101f/0x1690 [ 25.634026][ T344] ? tipc_bcast_dec_bearer_dst_cnt+0x240/0x240 [ 25.640152][ T344] ? __check_object_size+0x2e5/0x3b0 [ 25.645425][ T344] tipc_sendmcast+0xc00/0xeb0 [ 25.650082][ T344] ? tipc_send_group_unicast+0x7d0/0x7d0 [ 25.655783][ T344] ? __ext4_handle_dirty_metadata+0x2d8/0x900 [ 25.661845][ T344] ? wait_woken+0x250/0x250 [ 25.666418][ T344] ? ext4_get_group_desc+0x253/0x2a0 [ 25.672194][ T344] ? __ext4_journal_get_create_access+0x300/0x300 [ 25.678578][ T344] ? __ext4_get_inode_loc+0x499/0x1030 [ 25.684008][ T344] __tipc_sendmsg+0x120d/0x2ce0 [ 25.688831][ T344] ? local_bh_enable+0x20/0x20 [ 25.693566][ T344] ? __kthread_should_park+0xa5/0xe0 [ 25.698836][ T344] ? _local_bh_enable+0x30/0x30 [ 25.703657][ T344] ? memset+0x1f/0x40 [ 25.707611][ T344] ? selinux_socket_sendmsg+0x10b/0x320 [ 25.713126][ T344] ? lock_sock_nested+0x25a/0x320 [ 25.718121][ T344] ? xas_load+0x468/0x4c0 [ 25.722422][ T344] ? ktime_get_coarse_real_ts64+0xd9/0xf0 [ 25.729155][ T344] ? __ext4_journal_start_sb+0x3ad/0x420 [ 25.734762][ T344] ? tipc_recvmsg+0x1740/0x1740 [ 25.739671][ T344] tipc_sendmsg+0x51/0x70 [ 25.743973][ T344] kernel_sendmsg+0xe2/0x120 [ 25.748576][ T344] sock_no_sendpage+0x13f/0x1b0 [ 25.753398][ T344] ? __receive_sock+0xb0/0xb0 [ 25.758048][ T344] ? ktime_get_coarse_real_ts64+0xd9/0xf0 [ 25.763736][ T344] ? __receive_sock+0xb0/0xb0 [ 25.768402][ T344] sock_sendpage+0xd0/0x120 [ 25.772881][ T344] pipe_to_sendpage+0x23b/0x300 [ 25.777706][ T344] ? sock_fasync+0xf0/0xf0 [ 25.782109][ T344] ? generic_splice_sendpage+0x200/0x200 [ 25.787712][ T344] ? atime_needs_update+0x378/0x570 [ 25.792882][ T344] ? page_cache_pipe_buf_confirm+0x113/0x210 [ 25.798832][ T344] __splice_from_pipe+0x2d3/0x870 [ 25.803830][ T344] ? generic_splice_sendpage+0x200/0x200 [ 25.809495][ T344] generic_splice_sendpage+0x172/0x200 [ 25.814935][ T344] ? iter_file_splice_write+0xf20/0xf20 [ 25.820522][ T344] ? direct_splice_actor+0x25/0x120 [ 25.825694][ T344] splice_direct_to_actor+0x496/0xb00 [ 25.831127][ T344] ? do_splice_direct+0x3d0/0x3d0 [ 25.836142][ T344] ? pipe_to_sendpage+0x300/0x300 [ 25.841138][ T344] ? security_file_permission+0x128/0x300 [ 25.846867][ T344] do_splice_direct+0x279/0x3d0 [ 25.851687][ T344] ? splice_direct_to_actor+0xb00/0xb00 [ 25.857224][ T344] ? security_file_permission+0x128/0x300 [ 25.862913][ T344] do_sendfile+0x89d/0x1110 [ 25.867388][ T344] ? compat_writev+0x390/0x390 [ 25.872122][ T344] ? security_file_permission+0x128/0x300 [ 25.877825][ T344] ? vfs_write+0x427/0x4f0 [ 25.882213][ T344] __x64_sys_sendfile64+0x1ae/0x220 [ 25.887385][ T344] ? __ia32_sys_sendfile+0x240/0x240 [ 25.892646][ T344] ? do_user_addr_fault+0x55c/0x9f0 [ 25.897824][ T344] do_syscall_64+0xcb/0x150 [ 25.902303][ T344] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 25.908168][ T344] RIP: 0033:0x4443b9 [ 25.912033][ T344] Code: 43 02 00 85 c0 b8 00 00 00 00 48 0f 44 c3 5b c3 90 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 6b 0b fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 25.931618][ T344] RSP: 002b:00007fffd8f83588 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 25.940094][ T344] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004443b9 [ 25.948055][ T344] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 25.956002][ T344] RBP: 00007fffd8f835f0 R08: 0000000000000002 R09: 0000000600003034 [ 25.963947][ T344] R10: 0000000000200fc0 R11: 0000000000000246 R12: ffffffffffffffff [ 25.971907][ T344] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 25.980373][ T344] [ 25.982675][ T344] Allocated by task 344: [ 25.986890][ T344] __kasan_kmalloc+0x117/0x1b0 [ 25.991639][ T344] kmem_cache_alloc+0x1d5/0x250 [ 25.996477][ T344] __alloc_skb+0x88/0x4d0 [ 26.000865][ T344] tipc_msg_build+0x727/0x1a60 [ 26.005623][ T344] tipc_sendmcast+0x92a/0xeb0 [ 26.010284][ T344] __tipc_sendmsg+0x120d/0x2ce0 [ 26.015112][ T344] tipc_sendmsg+0x51/0x70 [ 26.019412][ T344] kernel_sendmsg+0xe2/0x120 [ 26.023972][ T344] sock_no_sendpage+0x13f/0x1b0 [ 26.028809][ T344] sock_sendpage+0xd0/0x120 [ 26.033281][ T344] pipe_to_sendpage+0x23b/0x300 [ 26.038105][ T344] __splice_from_pipe+0x2d3/0x870 [ 26.043114][ T344] generic_splice_sendpage+0x172/0x200 [ 26.048628][ T344] splice_direct_to_actor+0x496/0xb00 [ 26.053984][ T344] do_splice_direct+0x279/0x3d0 [ 26.058804][ T344] do_sendfile+0x89d/0x1110 [ 26.063278][ T344] __x64_sys_sendfile64+0x1ae/0x220 [ 26.068454][ T344] do_syscall_64+0xcb/0x150 [ 26.073379][ T344] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 26.079237][ T344] [ 26.081637][ T344] Freed by task 344: [ 26.085502][ T344] __kasan_slab_free+0x168/0x220 [ 26.090410][ T344] slab_free_freelist_hook+0xd0/0x150 [ 26.095750][ T344] kmem_cache_free+0xac/0x5c0 [ 26.100412][ T344] tipc_buf_append+0x2d1/0xad0 [ 26.105145][ T344] tipc_msg_reassemble+0x331/0x590 [ 26.110224][ T344] tipc_mcast_xmit+0x223/0x1690 [ 26.115047][ T344] tipc_sendmcast+0xc00/0xeb0 [ 26.119694][ T344] __tipc_sendmsg+0x120d/0x2ce0 [ 26.124526][ T344] tipc_sendmsg+0x51/0x70 [ 26.128824][ T344] kernel_sendmsg+0xe2/0x120 [ 26.133384][ T344] sock_no_sendpage+0x13f/0x1b0 [ 26.138300][ T344] sock_sendpage+0xd0/0x120 [ 26.142799][ T344] pipe_to_sendpage+0x23b/0x300 [ 26.147619][ T344] __splice_from_pipe+0x2d3/0x870 [ 26.152629][ T344] generic_splice_sendpage+0x172/0x200 [ 26.158071][ T344] splice_direct_to_actor+0x496/0xb00 [ 26.163412][ T344] do_splice_direct+0x279/0x3d0 [ 26.168232][ T344] do_sendfile+0x89d/0x1110 [ 26.172724][ T344] __x64_sys_sendfile64+0x1ae/0x220 [ 26.177890][ T344] do_syscall_64+0xcb/0x150 [ 26.182393][ T344] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 26.188252][ T344] [ 26.190571][ T344] The buggy address belongs to the object at ffff8881c3085b80 [ 26.190571][ T344] which belongs to the cache skbuff_fclone_cache of size 488 [ 26.205290][ T344] The buggy address is located 0 bytes inside of [ 26.205290][ T344] 488-byte region [ffff8881c3085b80, ffff8881c3085d68) [ 26.218391][ T344] The buggy address belongs to the page: [ 26.224015][ T344] page:ffffea00070c2100 refcount:1 mapcount:0 mapping:ffff8881daa93680 index:0x0 compound_mapcount: 0 [ 26.234910][ T344] flags: 0x8000000000010200(slab|head) [ 26.240340][ T344] raw: 8000000000010200 dead000000000100 dead000000000122 ffff8881daa93680 [ 26.248895][ T344] raw: 0000000000000000 00000000800c000c 00000001ffffffff 0000000000000000 [ 26.257450][ T344] page dumped because: kasan: bad access detected [ 26.263848][ T344] [ 26.266145][ T344] Memory state around the buggy address: [ 26.271747][ T344] ffff8881c3085a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc [ 26.279777][ T344] ffff8881c3085b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.287808][ T344] >ffff8881c3085b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.295838][ T344] ^ [ 26.299878][ T344] ffff8881c3085c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.307908][ T344] ffff8881c3085c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.315939][ T344] ================================================================== [ 26.324186][ T344] Disabling lock debugging due to kernel taint [ **[ 26.332161][ T344] kasan: CONFIG_KASAN_INLINE enabled * ] A start [ 26.338569][ T344] kasan: GPF could be caused by NULL-ptr deref or user memory access job is running f[ 26.348569][ T344] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 26.356194][ T344] CPU: 0 PID: 344 Comm: syz-executor863 Tainted: G B 5.4.68-syzkaller-00471-g6fa60aa03b21 #0 [ 26.367615][ T344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.377654][ T344] RIP: 0010:tipc_mcast_xmit+0x1061/0x1690 [ 26.383346][ T344] Code: af fd 4d 8b 67 08 4d 8d 6e 08 ba 10 00 00 00 4c 89 ff 31 f6 e8 f0 e6 ae fd 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 a1 11 af fd 4d 89 66 08 4c 89 e0 48 [ 26.403303][ T344] RSP: 0018:ffff8881cddfef00 EFLAGS: 00010202 [ 26.409457][ T344] RAX: 0000000000000001 RBX: ffff8881cddff180 RCX: dffffc0000000000 [ 26.417418][ T344] RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffff8881caeac210 [ 26.425379][ T344] RBP: ffff8881cddff0d0 R08: dffffc0000000000 R09: ffff8881caeac200 [ 26.433367][ T344] R10: ffffed10395d5842 R11: 00000000000000fb R12: ffff8881cddff180 [ 26.441330][ T344] R13: 0000000000000008 R14: 0000000000000000 R15: ffff8881caeac200 [ 26.449289][ T344] FS: 000000000199b940(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000 [ 26.458192][ T344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.464748][ T344] CR2: 00007f20e8039028 CR3: 00000001d1404002 CR4: 00000000001606f0 [ 26.472709][ T344] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.480671][ T344] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.488651][ T344] Call Trace: [ 26.491924][ T344] ? tipc_bcast_dec_bearer_dst_cnt+0x240/0x240 [ 26.498048][ T344] ? __check_object_size+0x2e5/0x3b0 [ 26.503315][ T344] tipc_sendmcast+0xc00/0xeb0 [ 26.507982][ T344] ? tipc_send_group_unicast+0x7d0/0x7d0 [ 26.513591][ T344] ? __ext4_handle_dirty_metadata+0x2d8/0x900 [ 26.519645][ T344] ? wait_woken+0x250/0x250 [ 26.524283][ T344] ? ext4_get_group_desc+0x253/0x2a0 [ 26.529548][ T344] ? __ext4_journal_get_create_access+0x300/0x300 [ 26.536287][ T344] ? __ext4_get_inode_loc+0x499/0x1030 [ 26.541719][ T344] __tipc_sendmsg+0x120d/0x2ce0 [ 26.546542][ T344] ? local_bh_enable+0x20/0x20 [ 26.551282][ T344] ? __kthread_should_park+0xa5/0xe0 [ 26.556538][ T344] ? _local_bh_enable+0x30/0x30 [ 26.561361][ T344] ? memset+0x1f/0x40 [ 26.565315][ T344] ? selinux_socket_sendmsg+0x10b/0x320 [ 26.570832][ T344] ? lock_sock_nested+0x25a/0x320 [ 26.575831][ T344] ? xas_load+0x468/0x4c0 [ 26.580206][ T344] ? ktime_get_coarse_real_ts64+0xd9/0xf0 [ 26.585901][ T344] ? __ext4_journal_start_sb+0x3ad/0x420 [ 26.591528][ T344] ? tipc_recvmsg+0x1740/0x1740 [ 26.596364][ T344] tipc_sendmsg+0x51/0x70 [ 26.600679][ T344] kernel_sendmsg+0xe2/0x120 [ 26.605244][ T344] sock_no_sendpage+0x13f/0x1b0 [ 26.610065][ T344] ? __receive_sock+0xb0/0xb0 [ 26.614764][ T344] ? ktime_get_coarse_real_ts64+0xd9/0xf0 [ 26.620455][ T344] ? __receive_sock+0xb0/0xb0 [ 26.625124][ T344] sock_sendpage+0xd0/0x120 [ 26.629600][ T344] pipe_to_sendpage+0x23b/0x300 [ 26.634448][ T344] ? sock_fasync+0xf0/0xf0 [ 26.638838][ T344] ? generic_splice_sendpage+0x200/0x200 [ 26.644456][ T344] ? atime_needs_update+0x378/0x570 [ 26.649706][ T344] ? page_cache_pipe_buf_confirm+0x113/0x210 [ 26.655666][ T344] __splice_from_pipe+0x2d3/0x870 [ 26.660699][ T344] ? generic_splice_sendpage+0x200/0x200 [ 26.666304][ T344] generic_splice_sendpage+0x172/0x200 [ 26.671736][ T344] ? iter_file_splice_write+0xf20/0xf20 [ 26.677253][ T344] ? direct_splice_actor+0x25/0x120 [ 26.682444][ T344] splice_direct_to_actor+0x496/0xb00 [ 26.687788][ T344] ? do_splice_direct+0x3d0/0x3d0 [ 26.692803][ T344] ? pipe_to_sendpage+0x300/0x300 [ 26.697801][ T344] ? security_file_permission+0x128/0x300 [ 26.703492][ T344] do_splice_direct+0x279/0x3d0 [ 26.708314][ T344] ? splice_direct_to_actor+0xb00/0xb00 [ 26.713833][ T344] ? security_file_permission+0x128/0x300 [ 26.719541][ T344] do_sendfile+0x89d/0x1110 [ 26.724016][ T344] ? compat_writev+0x390/0x390 [ 26.728751][ T344] ? security_file_permission+0x128/0x300 [ 26.734985][ T344] ? vfs_write+0x427/0x4f0 [ 26.739375][ T344] __x64_sys_sendfile64+0x1ae/0x220 [ 26.744563][ T344] ? __ia32_sys_sendfile+0x240/0x240 [ 26.749817][ T344] ? do_user_addr_fault+0x55c/0x9f0 [ 26.755017][ T344] do_syscall_64+0xcb/0x150 [ 26.759492][ T344] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 26.765374][ T344] RIP: 0033:0x4443b9 [ 26.769243][ T344] Code: 43 02 00 85 c0 b8 00 00 00 00 48 0f 44 c3 5b c3 90 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 6b 0b fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 26.788840][ T344] RSP: 002b:00007fffd8f83588 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 26.797224][ T344] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004443b9 [ 26.805529][ T344] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 26.813513][ T344] RBP: 00007fffd8f835f0 R08: 0000000000000002 R09: 0000000600003034 [ 26.821604][ T344] R10: 0000000000200fc0 R11: 0000000000000246 R12: ffffffffffffffff [ 26.829560][ T344] R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000 [ 26.837510][ T344] Modules linked in: or dev-ttyS0.dev[ 26.841677][ T344] ---[ end trace 51fefb627c5b27bb ]--- ice (19s / 1min [ 26.848437][ T344] RIP: 0010:tipc_mcast_xmit+0x1061/0x1690 30s)[ 26.855600][ T344] Code: af fd 4d 8b 67 08 4d 8d 6e 08 ba 10 00 00 00 4c 89 ff 31 f6 e8 f0 e6 ae fd 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 a1 11 af fd 4d 89 66 08 4c 89 e0 48 [ 26.875458][ T344] RSP: 0018:ffff8881cddfef00 EFLAGS: 00010202 [ 26.881572][ T344] RAX: 0000000000000001 RBX: ffff8881cddff180 RCX: dffffc0000000000 [ 26.889533][ T344] RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffff8881caeac210 [ 26.897553][ T344] RBP: ffff8881cddff0d0 R08: dffffc0000000000 R09: ffff8881caeac200 [ 26.905542][ T344] R10: ffffed10395d5842 R11: 00000000000000fb R12: ffff8881cddff180 [ 26.913530][ T344] R13: 0000000000000008 R14: 0000000000000000 R15: ffff8881caeac200 [ 26.921517][ T344] FS: 000000000199b940(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000 [ 26.930440][ T344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.937022][ T344] CR2: 00007f20e8039028 CR3: 00000001d1404002 CR4: 00000000001606f0 [ 26.945101][ T344] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.953118][ T344] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.961147][ T344] Kernel panic - not syncing: Fatal exception [ 26.967891][ T344] Kernel Offset: disabled [ 26.972210][ T344] Rebooting in 86400 seconds..