Warning: Permanently added '10.128.0.211' (ECDSA) to the list of known hosts. executing program [ 113.474956][ T8461] ===================================================== [ 113.482074][ T8461] BUG: KMSAN: uninit-value in audit_receive+0x186f/0x6d30 [ 113.489162][ T8461] CPU: 1 PID: 8461 Comm: syz-executor108 Not tainted 5.8.0-rc5-syzkaller #0 [ 113.497804][ T8461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 113.507833][ T8461] Call Trace: [ 113.511106][ T8461] dump_stack+0x1df/0x240 [ 113.515432][ T8461] kmsan_report+0xf7/0x1e0 [ 113.519843][ T8461] __msan_warning+0x58/0xa0 [ 113.524326][ T8461] audit_receive+0x186f/0x6d30 [ 113.529072][ T8461] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 113.535115][ T8461] ? netlink_deliver_tap+0xc7/0xe90 [ 113.540287][ T8461] ? __netlink_lookup+0x758/0x810 [ 113.545299][ T8461] ? kmsan_set_origin_checked+0x95/0xf0 [ 113.550835][ T8461] ? kmsan_get_metadata+0x11d/0x180 [ 113.556010][ T8461] netlink_unicast+0xf9e/0x1100 [ 113.560839][ T8461] ? audit_net_exit+0xd0/0xd0 [ 113.565500][ T8461] netlink_sendmsg+0x1246/0x14d0 [ 113.570420][ T8461] ? netlink_getsockopt+0x1440/0x1440 [ 113.575767][ T8461] kernel_sendmsg+0x433/0x440 [ 113.580422][ T8461] sock_no_sendpage+0x235/0x300 [ 113.585267][ T8461] ? sock_no_mmap+0x30/0x30 [ 113.589765][ T8461] sock_sendpage+0x1e1/0x2c0 [ 113.594337][ T8461] pipe_to_sendpage+0x38c/0x4c0 [ 113.599178][ T8461] ? sock_fasync+0x250/0x250 [ 113.603753][ T8461] __splice_from_pipe+0x565/0xf00 [ 113.608753][ T8461] ? generic_splice_sendpage+0x2d0/0x2d0 [ 113.614369][ T8461] generic_splice_sendpage+0x1d5/0x2d0 [ 113.619851][ T8461] ? iter_file_splice_write+0x1800/0x1800 [ 113.625548][ T8461] direct_splice_actor+0x1fd/0x580 [ 113.630638][ T8461] ? kmsan_get_metadata+0x4f/0x180 [ 113.635730][ T8461] splice_direct_to_actor+0x6b2/0xf50 [ 113.641075][ T8461] ? do_splice_direct+0x580/0x580 [ 113.646096][ T8461] do_splice_direct+0x342/0x580 [ 113.650929][ T8461] do_sendfile+0x101b/0x1d40 [ 113.655507][ T8461] __se_sys_sendfile64+0x2bb/0x360 [ 113.660593][ T8461] ? kmsan_get_metadata+0x4f/0x180 [ 113.665680][ T8461] __x64_sys_sendfile64+0x56/0x70 [ 113.670707][ T8461] do_syscall_64+0xb0/0x150 [ 113.675188][ T8461] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 113.681055][ T8461] RIP: 0033:0x4402d9 [ 113.684918][ T8461] Code: Bad RIP value. [ 113.688955][ T8461] RSP: 002b:00007fffe11797a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 113.697338][ T8461] RAX: ffffffffffffffda RBX: 00007fffe11797b0 RCX: 00000000004402d9 [ 113.705286][ T8461] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000004 [ 113.713234][ T8461] RBP: 00000000006ca018 R08: 65732f636f72702f R09: 65732f636f72702f [ 113.721183][ T8461] R10: 00004000000000df R11: 0000000000000246 R12: 0000000000401b40 [ 113.729130][ T8461] R13: 0000000000401bd0 R14: 0000000000000000 R15: 0000000000000000 [ 113.737080][ T8461] [ 113.739383][ T8461] Uninit was stored to memory at: [ 113.744474][ T8461] kmsan_internal_chain_origin+0xad/0x130 [ 113.750204][ T8461] kmsan_memcpy_memmove_metadata+0x272/0x2e0 [ 113.756162][ T8461] kmsan_memcpy_metadata+0xb/0x10 [ 113.761159][ T8461] __msan_memcpy+0x43/0x50 [ 113.765550][ T8461] _copy_from_iter_full+0xbfe/0x13b0 [ 113.770810][ T8461] netlink_sendmsg+0xfaa/0x14d0 [ 113.775632][ T8461] kernel_sendmsg+0x433/0x440 [ 113.780279][ T8461] sock_no_sendpage+0x235/0x300 [ 113.785161][ T8461] sock_sendpage+0x1e1/0x2c0 [ 113.789726][ T8461] pipe_to_sendpage+0x38c/0x4c0 [ 113.794551][ T8461] __splice_from_pipe+0x565/0xf00 [ 113.799552][ T8461] generic_splice_sendpage+0x1d5/0x2d0 [ 113.804983][ T8461] direct_splice_actor+0x1fd/0x580 [ 113.810068][ T8461] splice_direct_to_actor+0x6b2/0xf50 [ 113.815411][ T8461] do_splice_direct+0x342/0x580 [ 113.820246][ T8461] do_sendfile+0x101b/0x1d40 [ 113.824812][ T8461] __se_sys_sendfile64+0x2bb/0x360 [ 113.829893][ T8461] __x64_sys_sendfile64+0x56/0x70 [ 113.834893][ T8461] do_syscall_64+0xb0/0x150 [ 113.839370][ T8461] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 113.845231][ T8461] [ 113.847529][ T8461] Uninit was created at: [ 113.851745][ T8461] kmsan_save_stack_with_flags+0x3c/0x90 [ 113.857355][ T8461] kmsan_alloc_page+0xb9/0x180 [ 113.862092][ T8461] __alloc_pages_nodemask+0x56a2/0x5dc0 [ 113.867609][ T8461] alloc_pages_current+0x672/0x990 [ 113.872692][ T8461] push_pipe+0x605/0xb70 [ 113.876907][ T8461] iov_iter_get_pages_alloc+0x18a9/0x21c0 [ 113.882656][ T8461] do_splice_to+0x4fc/0x14f0 [ 113.887222][ T8461] splice_direct_to_actor+0x45c/0xf50 [ 113.892566][ T8461] do_splice_direct+0x342/0x580 [ 113.897388][ T8461] do_sendfile+0x101b/0x1d40 [ 113.901948][ T8461] __se_sys_sendfile64+0x2bb/0x360 [ 113.907029][ T8461] __x64_sys_sendfile64+0x56/0x70 [ 113.912027][ T8461] do_syscall_64+0xb0/0x150 [ 113.916590][ T8461] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 113.922455][ T8461] ===================================================== [ 113.929356][ T8461] Disabling lock debugging due to kernel taint [ 113.935482][ T8461] Kernel panic - not syncing: panic_on_warn set ... [ 113.942044][ T8461] CPU: 1 PID: 8461 Comm: syz-executor108 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 113.952072][ T8461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 113.962101][ T8461] Call Trace: [ 113.968590][ T8461] dump_stack+0x1df/0x240 [ 113.972901][ T8461] panic+0x3d5/0xc3e [ 113.976784][ T8461] kmsan_report+0x1df/0x1e0 [ 113.981264][ T8461] __msan_warning+0x58/0xa0 [ 113.985744][ T8461] audit_receive+0x186f/0x6d30 [ 113.990487][ T8461] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 113.996537][ T8461] ? netlink_deliver_tap+0xc7/0xe90 [ 114.001711][ T8461] ? __netlink_lookup+0x758/0x810 [ 114.006719][ T8461] ? kmsan_set_origin_checked+0x95/0xf0 [ 114.012239][ T8461] ? kmsan_get_metadata+0x11d/0x180 [ 114.017416][ T8461] netlink_unicast+0xf9e/0x1100 [ 114.022246][ T8461] ? audit_net_exit+0xd0/0xd0 [ 114.026902][ T8461] netlink_sendmsg+0x1246/0x14d0 [ 114.031821][ T8461] ? netlink_getsockopt+0x1440/0x1440 [ 114.037184][ T8461] kernel_sendmsg+0x433/0x440 [ 114.041888][ T8461] sock_no_sendpage+0x235/0x300 [ 114.046721][ T8461] ? sock_no_mmap+0x30/0x30 [ 114.051202][ T8461] sock_sendpage+0x1e1/0x2c0 [ 114.055774][ T8461] pipe_to_sendpage+0x38c/0x4c0 [ 114.060603][ T8461] ? sock_fasync+0x250/0x250 [ 114.065174][ T8461] __splice_from_pipe+0x565/0xf00 [ 114.070173][ T8461] ? generic_splice_sendpage+0x2d0/0x2d0 [ 114.075790][ T8461] generic_splice_sendpage+0x1d5/0x2d0 [ 114.081230][ T8461] ? iter_file_splice_write+0x1800/0x1800 [ 114.086973][ T8461] direct_splice_actor+0x1fd/0x580 [ 114.092063][ T8461] ? kmsan_get_metadata+0x4f/0x180 [ 114.097150][ T8461] splice_direct_to_actor+0x6b2/0xf50 [ 114.102494][ T8461] ? do_splice_direct+0x580/0x580 [ 114.107506][ T8461] do_splice_direct+0x342/0x580 [ 114.112354][ T8461] do_sendfile+0x101b/0x1d40 [ 114.116931][ T8461] __se_sys_sendfile64+0x2bb/0x360 [ 114.122016][ T8461] ? kmsan_get_metadata+0x4f/0x180 [ 114.127106][ T8461] __x64_sys_sendfile64+0x56/0x70 [ 114.132179][ T8461] do_syscall_64+0xb0/0x150 [ 114.136767][ T8461] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 114.142643][ T8461] RIP: 0033:0x4402d9 [ 114.146519][ T8461] Code: Bad RIP value. [ 114.150645][ T8461] RSP: 002b:00007fffe11797a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 114.159028][ T8461] RAX: ffffffffffffffda RBX: 00007fffe11797b0 RCX: 00000000004402d9 [ 114.166987][ T8461] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000004 [ 114.174932][ T8461] RBP: 00000000006ca018 R08: 65732f636f72702f R09: 65732f636f72702f [ 114.182885][ T8461] R10: 00004000000000df R11: 0000000000000246 R12: 0000000000401b40 [ 114.190837][ T8461] R13: 0000000000401bd0 R14: 0000000000000000 R15: 0000000000000000 [ 114.200175][ T8461] Kernel Offset: 0x28000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 114.211784][ T8461] Rebooting in 86400 seconds..