[T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1122.892430][T18678] do_syscall_64+0xb0/0x150 [ 1122.896945][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1122.902832][T18678] [ 1122.905153][T18678] Local variable ----msg_sys@do_recvmmsg created at: [ 1122.911836][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1122.916262][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1123.088054][T18678] not chained 4350000 origins [ 1123.092950][T18678] CPU: 1 PID: 18678 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1123.101618][T18678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1123.111676][T18678] Call Trace: [ 1123.114973][T18678] dump_stack+0x1df/0x240 [ 1123.119316][T18678] kmsan_internal_chain_origin+0x6f/0x130 [ 1123.125053][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1123.130173][T18678] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1123.136079][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1123.141378][T18678] ? kmsan_get_metadata+0x11d/0x180 [ 1123.146596][T18678] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1123.152403][T18678] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1123.158472][T18678] ? kfree+0x61/0x30f0 [ 1123.162631][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1123.167750][T18678] ? kmsan_set_origin_checked+0x95/0xf0 [ 1123.173300][T18678] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1123.179456][T18678] ? _copy_from_user+0x15b/0x260 [ 1123.184436][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1123.189552][T18678] __msan_chain_origin+0x50/0x90 [ 1123.194496][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1123.199127][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1123.204423][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1123.209455][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1123.214828][T18678] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1123.220729][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1123.225717][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1123.230580][T18678] do_syscall_64+0xb0/0x150 [ 1123.235091][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1123.240983][T18678] RIP: 0033:0x45c1d9 [ 1123.244869][T18678] Code: Bad RIP value. [ 1123.249137][T18678] RSP: 002b:00007f23ebbd0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1123.257982][T18678] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1123.265964][T18678] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1123.274110][T18678] RBP: 000000000078bf50 R08: 0000000000000000 R09: 0000000000000000 [ 1123.282091][T18678] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bf0c [ 1123.290070][T18678] R13: 0000000000c9fb6f R14: 00007f23ebbd19c0 R15: 000000000078bf0c [ 1123.298158][T18678] Uninit was stored to memory at: [ 1123.303193][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1123.308912][T18678] __msan_chain_origin+0x50/0x90 [ 1123.313850][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1123.318441][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1123.323403][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1123.328254][T18678] do_syscall_64+0xb0/0x150 [ 1123.332760][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1123.338643][T18678] [ 1123.340965][T18678] Uninit was stored to memory at: [ 1123.345991][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1123.351709][T18678] __msan_chain_origin+0x50/0x90 [ 1123.356651][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1123.361241][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1123.366315][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1123.371165][T18678] do_syscall_64+0xb0/0x150 [ 1123.375666][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1123.381545][T18678] [ 1123.383867][T18678] Uninit was stored to memory at: [ 1123.388892][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1123.394610][T18678] __msan_chain_origin+0x50/0x90 [ 1123.399553][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1123.404144][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1123.409087][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1123.413937][T18678] do_syscall_64+0xb0/0x150 [ 1123.418446][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1123.424322][T18678] [ 1123.426644][T18678] Uninit was stored to memory at: [ 1123.431669][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1123.437399][T18678] __msan_chain_origin+0x50/0x90 [ 1123.442338][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1123.446925][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1123.451876][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1123.456726][T18678] do_syscall_64+0xb0/0x150 [ 1123.461232][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1123.467293][T18678] [ 1123.469613][T18678] Uninit was stored to memory at: [ 1123.474638][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1123.480359][T18678] __msan_chain_origin+0x50/0x90 [ 1123.485305][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1123.489895][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1123.494832][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1123.499863][T18678] do_syscall_64+0xb0/0x150 [ 1123.504389][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1123.510356][T18678] [ 1123.512936][T18678] Uninit was stored to memory at: [ 1123.518055][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1123.523773][T18678] __msan_chain_origin+0x50/0x90 [ 1123.528717][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1123.533310][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1123.538249][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1123.543889][T18678] do_syscall_64+0xb0/0x150 [ 1123.548397][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1123.554277][T18678] [ 1123.556597][T18678] Uninit was stored to memory at: [ 1123.561688][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1123.567420][T18678] __msan_chain_origin+0x50/0x90 [ 1123.572358][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1123.576952][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1123.581889][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1123.586746][T18678] do_syscall_64+0xb0/0x150 [ 1123.593977][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1123.599949][T18678] [ 1123.602276][T18678] Local variable ----msg_sys@do_recvmmsg created at: [ 1123.609655][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1123.614166][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1123.784904][T18678] not chained 4360000 origins [ 1123.789602][T18678] CPU: 1 PID: 18678 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1123.798253][T18678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1123.808302][T18678] Call Trace: [ 1123.811576][T18678] dump_stack+0x1df/0x240 [ 1123.815914][T18678] kmsan_internal_chain_origin+0x6f/0x130 [ 1123.821634][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1123.826747][T18678] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1123.832632][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1123.837910][T18678] ? kmsan_get_metadata+0x11d/0x180 [ 1123.843101][T18678] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1123.849058][T18678] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1123.855114][T18678] ? kfree+0x61/0x30f0 [ 1123.859172][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1123.864260][T18678] ? kmsan_set_origin_checked+0x95/0xf0 [ 1123.869918][T18678] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1123.875989][T18678] ? _copy_from_user+0x15b/0x260 [ 1123.885364][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1123.890553][T18678] __msan_chain_origin+0x50/0x90 [ 1123.895474][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1123.900086][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1123.905349][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1123.910351][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1123.915351][T18678] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1123.921230][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1123.926153][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1123.930986][T18678] do_syscall_64+0xb0/0x150 [ 1123.935465][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1123.941341][T18678] RIP: 0033:0x45c1d9 [ 1123.945217][T18678] Code: Bad RIP value. [ 1123.949258][T18678] RSP: 002b:00007f23ebbd0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1123.957652][T18678] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1123.965619][T18678] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1123.973573][T18678] RBP: 000000000078bf50 R08: 0000000000000000 R09: 0000000000000000 [ 1123.981527][T18678] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bf0c [ 1123.989592][T18678] R13: 0000000000c9fb6f R14: 00007f23ebbd19c0 R15: 000000000078bf0c [ 1123.997561][T18678] Uninit was stored to memory at: [ 1124.002580][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1124.008276][T18678] __msan_chain_origin+0x50/0x90 [ 1124.013214][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1124.017793][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1124.022721][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1124.027548][T18678] do_syscall_64+0xb0/0x150 [ 1124.032026][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1124.037922][T18678] [ 1124.040274][T18678] Uninit was stored to memory at: [ 1124.045463][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1124.051182][T18678] __msan_chain_origin+0x50/0x90 [ 1124.056130][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1124.060709][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1124.065625][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1124.070474][T18678] do_syscall_64+0xb0/0x150 [ 1124.074955][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1124.080824][T18678] [ 1124.083127][T18678] Uninit was stored to memory at: [ 1124.088130][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1124.093926][T18678] __msan_chain_origin+0x50/0x90 [ 1124.098863][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1124.103432][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1124.108440][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1124.114830][T18678] do_syscall_64+0xb0/0x150 [ 1124.119336][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1124.125226][T18678] [ 1124.127546][T18678] Uninit was stored to memory at: [ 1124.132549][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1124.138258][T18678] __msan_chain_origin+0x50/0x90 [ 1124.143187][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1124.147755][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1124.152686][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1124.157524][T18678] do_syscall_64+0xb0/0x150 [ 1124.162028][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1124.167902][T18678] [ 1124.170210][T18678] Uninit was stored to memory at: [ 1124.175219][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1124.180919][T18678] __msan_chain_origin+0x50/0x90 [ 1124.185849][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1124.190427][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1124.195341][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1124.200175][T18678] do_syscall_64+0xb0/0x150 [ 1124.204664][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1124.210528][T18678] [ 1124.212831][T18678] Uninit was stored to memory at: [ 1124.217865][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1124.223589][T18678] __msan_chain_origin+0x50/0x90 [ 1124.228508][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1124.233091][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1124.238015][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1124.243303][T18678] do_syscall_64+0xb0/0x150 [ 1124.247788][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1124.253671][T18678] [ 1124.255992][T18678] Uninit was stored to memory at: [ 1124.261007][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1124.266713][T18678] __msan_chain_origin+0x50/0x90 [ 1124.271672][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1124.276275][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1124.281564][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1124.286419][T18678] do_syscall_64+0xb0/0x150 [ 1124.290915][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1124.296780][T18678] [ 1124.299094][T18678] Local variable ----msg_sys@do_recvmmsg created at: [ 1124.305748][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1124.310152][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1124.591516][T18678] not chained 4370000 origins [ 1124.596238][T18678] CPU: 1 PID: 18678 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1124.604901][T18678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1124.614961][T18678] Call Trace: [ 1124.618281][T18678] dump_stack+0x1df/0x240 [ 1124.622708][T18678] kmsan_internal_chain_origin+0x6f/0x130 [ 1124.628433][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1124.633545][T18678] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1124.639441][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1124.644728][T18678] ? kmsan_get_metadata+0x11d/0x180 [ 1124.649945][T18678] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1124.655759][T18678] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1124.662000][T18678] ? kfree+0x61/0x30f0 [ 1124.666096][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1124.671208][T18678] ? kmsan_set_origin_checked+0x95/0xf0 [ 1124.676760][T18678] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1124.682833][T18678] ? _copy_from_user+0x15b/0x260 [ 1124.687774][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1124.692888][T18678] __msan_chain_origin+0x50/0x90 [ 1124.697835][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1124.702467][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1124.707758][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1124.712783][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1124.717895][T18678] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1124.723791][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1124.728740][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1124.733598][T18678] do_syscall_64+0xb0/0x150 [ 1124.738112][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1124.743999][T18678] RIP: 0033:0x45c1d9 [ 1124.747883][T18678] Code: Bad RIP value. [ 1124.751963][T18678] RSP: 002b:00007f23ebbd0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1124.760387][T18678] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1124.768454][T18678] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1124.776429][T18678] RBP: 000000000078bf50 R08: 0000000000000000 R09: 0000000000000000 [ 1124.784398][T18678] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bf0c [ 1124.793418][T18678] R13: 0000000000c9fb6f R14: 00007f23ebbd19c0 R15: 000000000078bf0c [ 1124.801752][T18678] Uninit was stored to memory at: [ 1124.806788][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1124.812521][T18678] __msan_chain_origin+0x50/0x90 [ 1124.817470][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1124.822067][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1124.827007][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1124.831858][T18678] do_syscall_64+0xb0/0x150 [ 1124.836458][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1124.842339][T18678] [ 1124.844660][T18678] Uninit was stored to memory at: [ 1124.849689][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1124.855410][T18678] __msan_chain_origin+0x50/0x90 [ 1124.860354][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1124.864950][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1124.869892][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1124.875262][T18678] do_syscall_64+0xb0/0x150 [ 1124.879777][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1124.885656][T18678] [ 1124.887987][T18678] Uninit was stored to memory at: [ 1124.893017][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1124.898738][T18678] __msan_chain_origin+0x50/0x90 [ 1124.903817][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1124.908498][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1124.914303][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1124.919190][T18678] do_syscall_64+0xb0/0x150 [ 1124.923700][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1124.929583][T18678] [ 1124.931905][T18678] Uninit was stored to memory at: [ 1124.937016][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1124.942737][T18678] __msan_chain_origin+0x50/0x90 [ 1124.947688][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1124.952287][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1124.957230][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1124.962084][T18678] do_syscall_64+0xb0/0x150 [ 1124.966598][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1124.972475][T18678] [ 1124.974795][T18678] Uninit was stored to memory at: [ 1124.979822][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1124.985541][T18678] __msan_chain_origin+0x50/0x90 [ 1124.990697][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1124.995288][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1125.000232][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1125.005084][T18678] do_syscall_64+0xb0/0x150 [ 1125.009592][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1125.015472][T18678] [ 1125.017791][T18678] Uninit was stored to memory at: [ 1125.022821][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1125.028542][T18678] __msan_chain_origin+0x50/0x90 [ 1125.033479][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1125.038067][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1125.043007][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1125.047858][T18678] do_syscall_64+0xb0/0x150 [ 1125.052369][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1125.058250][T18678] [ 1125.060568][T18678] Uninit was stored to memory at: [ 1125.065592][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1125.071310][T18678] __msan_chain_origin+0x50/0x90 [ 1125.076248][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1125.080838][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1125.085770][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1125.090624][T18678] do_syscall_64+0xb0/0x150 [ 1125.095130][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1125.101009][T18678] [ 1125.103350][T18678] Local variable ----msg_sys@do_recvmmsg created at: [ 1125.110028][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1125.114456][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1125.340839][T18678] not chained 4380000 origins [ 1125.345561][T18678] CPU: 1 PID: 18678 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1125.354241][T18678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1125.364296][T18678] Call Trace: [ 1125.367592][T18678] dump_stack+0x1df/0x240 [ 1125.371932][T18678] kmsan_internal_chain_origin+0x6f/0x130 [ 1125.377663][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1125.382778][T18678] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1125.390847][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1125.396140][T18678] ? kmsan_get_metadata+0x11d/0x180 [ 1125.401341][T18678] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1125.407152][T18678] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1125.413230][T18678] ? kfree+0x61/0x30f0 [ 1125.417304][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1125.422505][T18678] ? kmsan_set_origin_checked+0x95/0xf0 [ 1125.428052][T18678] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1125.434124][T18678] ? _copy_from_user+0x15b/0x260 [ 1125.439241][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1125.444355][T18678] __msan_chain_origin+0x50/0x90 [ 1125.449301][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1125.453926][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1125.459218][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1125.464240][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1125.469269][T18678] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1125.475169][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1125.480219][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1125.485074][T18678] do_syscall_64+0xb0/0x150 [ 1125.489585][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1125.495666][T18678] RIP: 0033:0x45c1d9 [ 1125.499551][T18678] Code: Bad RIP value. [ 1125.503612][T18678] RSP: 002b:00007f23ebbd0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1125.512020][T18678] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1125.519991][T18678] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1125.527958][T18678] RBP: 000000000078bf50 R08: 0000000000000000 R09: 0000000000000000 [ 1125.536017][T18678] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bf0c [ 1125.543986][T18678] R13: 0000000000c9fb6f R14: 00007f23ebbd19c0 R15: 000000000078bf0c [ 1125.551958][T18678] Uninit was stored to memory at: [ 1125.556987][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1125.562708][T18678] __msan_chain_origin+0x50/0x90 [ 1125.567648][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1125.574237][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1125.579172][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1125.584026][T18678] do_syscall_64+0xb0/0x150 [ 1125.588531][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1125.594409][T18678] [ 1125.596730][T18678] Uninit was stored to memory at: [ 1125.601759][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1125.607629][T18678] __msan_chain_origin+0x50/0x90 [ 1125.612582][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1125.617177][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1125.622118][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1125.626972][T18678] do_syscall_64+0xb0/0x150 [ 1125.631481][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1125.637362][T18678] [ 1125.639694][T18678] Uninit was stored to memory at: [ 1125.644720][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1125.650439][T18678] __msan_chain_origin+0x50/0x90 [ 1125.655381][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1125.659973][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1125.664912][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1125.669765][T18678] do_syscall_64+0xb0/0x150 [ 1125.674271][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1125.680151][T18678] [ 1125.682471][T18678] Uninit was stored to memory at: [ 1125.687498][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1125.693219][T18678] __msan_chain_origin+0x50/0x90 [ 1125.698259][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1125.702853][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1125.707793][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1125.712644][T18678] do_syscall_64+0xb0/0x150 [ 1125.717150][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1125.723030][T18678] [ 1125.725347][T18678] Uninit was stored to memory at: [ 1125.730375][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1125.736095][T18678] __msan_chain_origin+0x50/0x90 [ 1125.741040][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1125.745654][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1125.750596][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1125.755453][T18678] do_syscall_64+0xb0/0x150 [ 1125.759962][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1125.765858][T18678] [ 1125.768201][T18678] Uninit was stored to memory at: [ 1125.773244][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1125.778973][T18678] __msan_chain_origin+0x50/0x90 [ 1125.783919][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1125.788520][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1125.793459][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1125.798330][T18678] do_syscall_64+0xb0/0x150 [ 1125.802848][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1125.808734][T18678] [ 1125.811065][T18678] Uninit was stored to memory at: [ 1125.816094][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1125.821816][T18678] __msan_chain_origin+0x50/0x90 [ 1125.826768][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1125.831362][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1125.836303][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1125.841245][T18678] do_syscall_64+0xb0/0x150 [ 1125.845745][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1125.851971][T18678] [ 1125.854294][T18678] Local variable ----msg_sys@do_recvmmsg created at: [ 1125.860980][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1125.865404][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1126.023563][T18678] not chained 4390000 origins [ 1126.028383][T18678] CPU: 0 PID: 18678 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1126.037027][T18678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1126.047183][T18678] Call Trace: [ 1126.050503][T18678] dump_stack+0x1df/0x240 [ 1126.054816][T18678] kmsan_internal_chain_origin+0x6f/0x130 [ 1126.060603][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1126.065817][T18678] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1126.071701][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1126.076967][T18678] ? kmsan_get_metadata+0x11d/0x180 [ 1126.082141][T18678] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1126.088064][T18678] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1126.094127][T18678] ? kfree+0x61/0x30f0 [ 1126.098302][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1126.103396][T18678] ? kmsan_set_origin_checked+0x95/0xf0 [ 1126.109102][T18678] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1126.115151][T18678] ? _copy_from_user+0x15b/0x260 [ 1126.120073][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1126.125186][T18678] __msan_chain_origin+0x50/0x90 [ 1126.130107][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1126.134692][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1126.139976][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1126.144981][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1126.149986][T18678] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1126.155879][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1126.160820][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1126.165658][T18678] do_syscall_64+0xb0/0x150 [ 1126.170146][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1126.176027][T18678] RIP: 0033:0x45c1d9 [ 1126.180018][T18678] Code: Bad RIP value. [ 1126.184059][T18678] RSP: 002b:00007f23ebbd0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1126.192708][T18678] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1126.200677][T18678] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1126.208646][T18678] RBP: 000000000078bf50 R08: 0000000000000000 R09: 0000000000000000 [ 1126.216594][T18678] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bf0c [ 1126.224542][T18678] R13: 0000000000c9fb6f R14: 00007f23ebbd19c0 R15: 000000000078bf0c [ 1126.232505][T18678] Uninit was stored to memory at: [ 1126.237550][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1126.243471][T18678] __msan_chain_origin+0x50/0x90 [ 1126.248396][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1126.252967][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1126.257881][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1126.262713][T18678] do_syscall_64+0xb0/0x150 [ 1126.267196][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1126.273058][T18678] [ 1126.275361][T18678] Uninit was stored to memory at: [ 1126.280366][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1126.286064][T18678] __msan_chain_origin+0x50/0x90 [ 1126.290980][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1126.295783][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1126.300718][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1126.305551][T18678] do_syscall_64+0xb0/0x150 [ 1126.310034][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1126.315895][T18678] [ 1126.318198][T18678] Uninit was stored to memory at: [ 1126.323199][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1126.328895][T18678] __msan_chain_origin+0x50/0x90 [ 1126.333807][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1126.338373][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1126.343291][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1126.348122][T18678] do_syscall_64+0xb0/0x150 [ 1126.352624][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1126.358505][T18678] [ 1126.360807][T18678] Uninit was stored to memory at: [ 1126.365818][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1126.371546][T18678] __msan_chain_origin+0x50/0x90 [ 1126.376459][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1126.381064][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1126.385982][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1126.390809][T18678] do_syscall_64+0xb0/0x150 [ 1126.395290][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1126.401189][T18678] [ 1126.403509][T18678] Uninit was stored to memory at: [ 1126.408649][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1126.414355][T18678] __msan_chain_origin+0x50/0x90 [ 1126.419279][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1126.423847][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1126.428777][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1126.433603][T18678] do_syscall_64+0xb0/0x150 [ 1126.438104][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1126.444053][T18678] [ 1126.446357][T18678] Uninit was stored to memory at: [ 1126.451360][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1126.457081][T18678] __msan_chain_origin+0x50/0x90 [ 1126.462016][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1126.466582][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1126.471496][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1126.476322][T18678] do_syscall_64+0xb0/0x150 [ 1126.480801][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1126.486662][T18678] [ 1126.488965][T18678] Uninit was stored to memory at: [ 1126.494923][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1126.500878][T18678] __msan_chain_origin+0x50/0x90 [ 1126.505824][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1126.510419][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1126.515333][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1126.520173][T18678] do_syscall_64+0xb0/0x150 [ 1126.524685][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1126.530549][T18678] [ 1126.532855][T18678] Local variable ----msg_sys@do_recvmmsg created at: [ 1126.539508][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1126.544075][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1126.760951][T18678] not chained 4400000 origins [ 1126.765757][T18678] CPU: 1 PID: 18678 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1126.774434][T18678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1126.784493][T18678] Call Trace: [ 1126.787802][T18678] dump_stack+0x1df/0x240 [ 1126.792148][T18678] kmsan_internal_chain_origin+0x6f/0x130 [ 1126.797873][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1126.802987][T18678] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1126.808896][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1126.814195][T18678] ? kmsan_get_metadata+0x11d/0x180 [ 1126.819405][T18678] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1126.825236][T18678] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1126.831322][T18678] ? kfree+0x61/0x30f0 [ 1126.835402][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1126.840523][T18678] ? kmsan_set_origin_checked+0x95/0xf0 [ 1126.846085][T18678] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1126.852163][T18678] ? _copy_from_user+0x15b/0x260 [ 1126.857112][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1126.862236][T18678] __msan_chain_origin+0x50/0x90 [ 1126.867199][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1126.871836][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1126.877141][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1126.882172][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1126.887203][T18678] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1126.893195][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1126.898147][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1126.903009][T18678] do_syscall_64+0xb0/0x150 [ 1126.907516][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1126.913398][T18678] RIP: 0033:0x45c1d9 [ 1126.917282][T18678] Code: Bad RIP value. [ 1126.921432][T18678] RSP: 002b:00007f23ebbd0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1126.929845][T18678] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1126.937815][T18678] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1126.945785][T18678] RBP: 000000000078bf50 R08: 0000000000000000 R09: 0000000000000000 [ 1126.953753][T18678] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bf0c [ 1126.961723][T18678] R13: 0000000000c9fb6f R14: 00007f23ebbd19c0 R15: 000000000078bf0c [ 1126.969703][T18678] Uninit was stored to memory at: [ 1126.974730][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1126.980447][T18678] __msan_chain_origin+0x50/0x90 [ 1126.985385][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1126.989976][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1126.994915][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1126.999774][T18678] do_syscall_64+0xb0/0x150 [ 1127.004278][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1127.010157][T18678] [ 1127.012479][T18678] Uninit was stored to memory at: [ 1127.017944][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1127.023663][T18678] __msan_chain_origin+0x50/0x90 [ 1127.028599][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1127.033217][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1127.038160][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1127.043014][T18678] do_syscall_64+0xb0/0x150 [ 1127.047522][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1127.053402][T18678] [ 1127.055721][T18678] Uninit was stored to memory at: [ 1127.060742][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1127.066458][T18678] __msan_chain_origin+0x50/0x90 [ 1127.071410][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1127.076094][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1127.081029][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1127.085903][T18678] do_syscall_64+0xb0/0x150 [ 1127.090413][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1127.096295][T18678] [ 1127.098613][T18678] Uninit was stored to memory at: [ 1127.103644][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1127.109368][T18678] __msan_chain_origin+0x50/0x90 [ 1127.114310][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1127.118904][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1127.123841][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1127.128691][T18678] do_syscall_64+0xb0/0x150 [ 1127.133201][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1127.139083][T18678] [ 1127.141405][T18678] Uninit was stored to memory at: [ 1127.146432][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1127.152145][T18678] __msan_chain_origin+0x50/0x90 [ 1127.157088][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1127.161675][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1127.166610][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1127.171461][T18678] do_syscall_64+0xb0/0x150 [ 1127.175963][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1127.181842][T18678] [ 1127.184157][T18678] Uninit was stored to memory at: [ 1127.189185][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1127.195010][T18678] __msan_chain_origin+0x50/0x90 [ 1127.199953][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1127.204541][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1127.209483][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1127.214333][T18678] do_syscall_64+0xb0/0x150 [ 1127.218841][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1127.224722][T18678] [ 1127.227045][T18678] Uninit was stored to memory at: [ 1127.232070][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1127.237791][T18678] __msan_chain_origin+0x50/0x90 [ 1127.242735][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1127.247334][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1127.252269][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1127.257120][T18678] do_syscall_64+0xb0/0x150 [ 1127.261622][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1127.267500][T18678] [ 1127.269816][T18678] Local variable ----msg_sys@do_recvmmsg created at: [ 1127.276488][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1127.280899][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1127.483671][T18678] not chained 4410000 origins [ 1127.488390][T18678] CPU: 1 PID: 18678 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1127.497056][T18678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1127.507109][T18678] Call Trace: [ 1127.510408][T18678] dump_stack+0x1df/0x240 [ 1127.514741][T18678] kmsan_internal_chain_origin+0x6f/0x130 [ 1127.524369][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1127.529484][T18678] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1127.535379][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1127.540698][T18678] ? kmsan_get_metadata+0x11d/0x180 [ 1127.545894][T18678] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1127.551741][T18678] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1127.557816][T18678] ? kfree+0x61/0x30f0 [ 1127.561893][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1127.567006][T18678] ? kmsan_set_origin_checked+0x95/0xf0 [ 1127.572555][T18678] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1127.578631][T18678] ? _copy_from_user+0x15b/0x260 [ 1127.583568][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1127.588681][T18678] __msan_chain_origin+0x50/0x90 [ 1127.593623][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1127.598404][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1127.603712][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1127.608796][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1127.613834][T18678] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1127.619743][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1127.624697][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1127.629556][T18678] do_syscall_64+0xb0/0x150 [ 1127.634063][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1127.640664][T18678] RIP: 0033:0x45c1d9 [ 1127.644552][T18678] Code: Bad RIP value. [ 1127.648615][T18678] RSP: 002b:00007f23ebbd0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1127.657028][T18678] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1127.665002][T18678] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1127.672973][T18678] RBP: 000000000078bf50 R08: 0000000000000000 R09: 0000000000000000 [ 1127.680972][T18678] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bf0c [ 1127.689353][T18678] R13: 0000000000c9fb6f R14: 00007f23ebbd19c0 R15: 000000000078bf0c [ 1127.697333][T18678] Uninit was stored to memory at: [ 1127.702364][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1127.708084][T18678] __msan_chain_origin+0x50/0x90 [ 1127.713028][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1127.717619][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1127.722559][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1127.727438][T18678] do_syscall_64+0xb0/0x150 [ 1127.731942][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1127.743378][T18678] [ 1127.745783][T18678] Uninit was stored to memory at: [ 1127.750984][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1127.756724][T18678] __msan_chain_origin+0x50/0x90 [ 1127.761661][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1127.766344][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1127.771283][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1127.776220][T18678] do_syscall_64+0xb0/0x150 [ 1127.780720][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1127.786597][T18678] [ 1127.788915][T18678] Uninit was stored to memory at: [ 1127.793943][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1127.799664][T18678] __msan_chain_origin+0x50/0x90 [ 1127.804618][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1127.809213][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1127.814152][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1127.819014][T18678] do_syscall_64+0xb0/0x150 [ 1127.823521][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1127.829399][T18678] [ 1127.831720][T18678] Uninit was stored to memory at: [ 1127.836748][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1127.842467][T18678] __msan_chain_origin+0x50/0x90 [ 1127.847405][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1127.852609][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1127.857639][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1127.862501][T18678] do_syscall_64+0xb0/0x150 [ 1127.867014][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1127.872897][T18678] [ 1127.875219][T18678] Uninit was stored to memory at: [ 1127.880248][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1127.885967][T18678] __msan_chain_origin+0x50/0x90 [ 1127.890902][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1127.895490][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1127.900426][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1127.905276][T18678] do_syscall_64+0xb0/0x150 [ 1127.909779][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1127.915829][T18678] [ 1127.918146][T18678] Uninit was stored to memory at: [ 1127.923178][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1127.928902][T18678] __msan_chain_origin+0x50/0x90 [ 1127.933838][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1127.938426][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1127.943365][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1127.948565][T18678] do_syscall_64+0xb0/0x150 [ 1127.953067][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1127.958981][T18678] [ 1127.961301][T18678] Uninit was stored to memory at: [ 1127.966355][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1127.972074][T18678] __msan_chain_origin+0x50/0x90 [ 1127.977021][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1127.981611][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1127.986577][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1127.991429][T18678] do_syscall_64+0xb0/0x150 [ 1127.995931][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1128.002766][T18678] [ 1128.005091][T18678] Local variable ----msg_sys@do_recvmmsg created at: [ 1128.011762][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1128.016185][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1128.222145][T18678] not chained 4420000 origins [ 1128.226868][T18678] CPU: 0 PID: 18678 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1128.235532][T18678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1128.245583][T18678] Call Trace: [ 1128.248880][T18678] dump_stack+0x1df/0x240 [ 1128.253217][T18678] kmsan_internal_chain_origin+0x6f/0x130 [ 1128.258937][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1128.264050][T18678] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1128.269956][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1128.275337][T18678] ? kmsan_get_metadata+0x11d/0x180 [ 1128.280549][T18678] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1128.286361][T18678] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1128.292430][T18678] ? kfree+0x61/0x30f0 [ 1128.296503][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1128.301614][T18678] ? kmsan_set_origin_checked+0x95/0xf0 [ 1128.307251][T18678] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1128.313325][T18678] ? _copy_from_user+0x15b/0x260 [ 1128.318268][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1128.323382][T18678] __msan_chain_origin+0x50/0x90 [ 1128.328326][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1128.332957][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1128.338245][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1128.343271][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1128.348295][T18678] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1128.354369][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1128.359319][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1128.364175][T18678] do_syscall_64+0xb0/0x150 [ 1128.368684][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1128.374572][T18678] RIP: 0033:0x45c1d9 [ 1128.378457][T18678] Code: Bad RIP value. [ 1128.382515][T18678] RSP: 002b:00007f23ebbd0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1128.390928][T18678] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1128.398981][T18678] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1128.406949][T18678] RBP: 000000000078bf50 R08: 0000000000000000 R09: 0000000000000000 [ 1128.414919][T18678] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bf0c [ 1128.422893][T18678] R13: 0000000000c9fb6f R14: 00007f23ebbd19c0 R15: 000000000078bf0c [ 1128.430870][T18678] Uninit was stored to memory at: [ 1128.435987][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1128.441702][T18678] __msan_chain_origin+0x50/0x90 [ 1128.446638][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1128.451229][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1128.456169][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1128.461024][T18678] do_syscall_64+0xb0/0x150 [ 1128.465633][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1128.471510][T18678] [ 1128.473829][T18678] Uninit was stored to memory at: [ 1128.478852][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1128.484568][T18678] __msan_chain_origin+0x50/0x90 [ 1128.489505][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1128.494097][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1128.499034][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1128.503890][T18678] do_syscall_64+0xb0/0x150 [ 1128.508393][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1128.514274][T18678] [ 1128.516591][T18678] Uninit was stored to memory at: [ 1128.521619][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1128.527335][T18678] __msan_chain_origin+0x50/0x90 [ 1128.532275][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1128.536861][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1128.541799][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1128.546833][T18678] do_syscall_64+0xb0/0x150 [ 1128.551366][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1128.557245][T18678] [ 1128.559649][T18678] Uninit was stored to memory at: [ 1128.564673][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1128.570392][T18678] __msan_chain_origin+0x50/0x90 [ 1128.575331][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1128.579920][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1128.584859][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1128.589710][T18678] do_syscall_64+0xb0/0x150 [ 1128.594230][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1128.600106][T18678] [ 1128.602423][T18678] Uninit was stored to memory at: [ 1128.607451][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1128.613170][T18678] __msan_chain_origin+0x50/0x90 [ 1128.618109][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1128.622699][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1128.627641][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1128.632489][T18678] do_syscall_64+0xb0/0x150 [ 1128.636992][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1128.642871][T18678] [ 1128.645189][T18678] Uninit was stored to memory at: [ 1128.650214][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1128.655971][T18678] __msan_chain_origin+0x50/0x90 [ 1128.660918][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1128.665510][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1128.670449][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1128.675297][T18678] do_syscall_64+0xb0/0x150 [ 1128.679800][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1128.685685][T18678] [ 1128.688018][T18678] Uninit was stored to memory at: [ 1128.693052][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1128.698772][T18678] __msan_chain_origin+0x50/0x90 [ 1128.703709][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1128.708299][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1128.713239][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1128.718175][T18678] do_syscall_64+0xb0/0x150 [ 1128.722696][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1128.728575][T18678] [ 1128.730902][T18678] Local variable ----msg_sys@do_recvmmsg created at: [ 1128.737575][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1128.741996][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1128.867146][T18678] not chained 4430000 origins [ 1128.871869][T18678] CPU: 0 PID: 18678 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1128.880529][T18678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1128.891537][T18678] Call Trace: [ 1128.894810][T18678] dump_stack+0x1df/0x240 [ 1128.899311][T18678] kmsan_internal_chain_origin+0x6f/0x130 [ 1128.905027][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1128.910124][T18678] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1128.915997][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1128.921265][T18678] ? kmsan_get_metadata+0x11d/0x180 [ 1128.926441][T18678] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1128.932344][T18678] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1128.938395][T18678] ? kfree+0x61/0x30f0 [ 1128.942445][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1128.947621][T18678] ? kmsan_set_origin_checked+0x95/0xf0 [ 1128.953286][T18678] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1128.959352][T18678] ? _copy_from_user+0x15b/0x260 [ 1128.964278][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1128.969369][T18678] __msan_chain_origin+0x50/0x90 [ 1128.974401][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1128.978988][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1128.984264][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1128.989330][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1128.994332][T18678] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1129.000204][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1129.005143][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1129.009974][T18678] do_syscall_64+0xb0/0x150 [ 1129.014459][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1129.020328][T18678] RIP: 0033:0x45c1d9 [ 1129.024194][T18678] Code: Bad RIP value. [ 1129.028260][T18678] RSP: 002b:00007f23ebbd0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1129.036646][T18678] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1129.044595][T18678] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1129.052543][T18678] RBP: 000000000078bf50 R08: 0000000000000000 R09: 0000000000000000 [ 1129.060602][T18678] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bf0c [ 1129.068681][T18678] R13: 0000000000c9fb6f R14: 00007f23ebbd19c0 R15: 000000000078bf0c [ 1129.076644][T18678] Uninit was stored to memory at: [ 1129.081654][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1129.087349][T18678] __msan_chain_origin+0x50/0x90 [ 1129.092293][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1129.096859][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1129.101772][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1129.106617][T18678] do_syscall_64+0xb0/0x150 [ 1129.111128][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1129.116987][T18678] [ 1129.119289][T18678] Uninit was stored to memory at: [ 1129.124289][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1129.129986][T18678] __msan_chain_origin+0x50/0x90 [ 1129.134899][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1129.140509][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1129.145421][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1129.150273][T18678] do_syscall_64+0xb0/0x150 [ 1129.154753][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1129.160643][T18678] [ 1129.162957][T18678] Uninit was stored to memory at: [ 1129.167964][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1129.173677][T18678] __msan_chain_origin+0x50/0x90 [ 1129.178594][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1129.183175][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1129.188087][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1129.192930][T18678] do_syscall_64+0xb0/0x150 [ 1129.197498][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1129.203378][T18678] [ 1129.205697][T18678] Uninit was stored to memory at: [ 1129.210700][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1129.216396][T18678] __msan_chain_origin+0x50/0x90 [ 1129.221312][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1129.225885][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1129.230807][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1129.235635][T18678] do_syscall_64+0xb0/0x150 [ 1129.240120][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1129.245985][T18678] [ 1129.248286][T18678] Uninit was stored to memory at: [ 1129.253285][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1129.258981][T18678] __msan_chain_origin+0x50/0x90 [ 1129.263909][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1129.268476][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1129.273397][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1129.279354][T18678] do_syscall_64+0xb0/0x150 [ 1129.283834][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1129.289697][T18678] [ 1129.292003][T18678] Uninit was stored to memory at: [ 1129.297136][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1129.302832][T18678] __msan_chain_origin+0x50/0x90 [ 1129.307748][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1129.312312][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1129.317227][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1129.322076][T18678] do_syscall_64+0xb0/0x150 [ 1129.326580][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1129.332441][T18678] [ 1129.334890][T18678] Uninit was stored to memory at: [ 1129.339896][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1129.345594][T18678] __msan_chain_origin+0x50/0x90 [ 1129.350507][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1129.355075][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1129.359990][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1129.364835][T18678] do_syscall_64+0xb0/0x150 [ 1129.369316][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1129.375174][T18678] [ 1129.377477][T18678] Local variable ----msg_sys@do_recvmmsg created at: [ 1129.384138][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1129.388623][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1129.545655][T18678] not chained 4440000 origins [ 1129.550402][T18678] CPU: 0 PID: 18678 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1129.559073][T18678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1129.569125][T18678] Call Trace: [ 1129.572424][T18678] dump_stack+0x1df/0x240 [ 1129.576767][T18678] kmsan_internal_chain_origin+0x6f/0x130 [ 1129.582489][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1129.587605][T18678] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1129.593511][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1129.598802][T18678] ? kmsan_get_metadata+0x11d/0x180 [ 1129.604179][T18678] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1129.609989][T18678] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1129.616068][T18678] ? kfree+0x61/0x30f0 [ 1129.620140][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1129.626118][T18678] ? kmsan_set_origin_checked+0x95/0xf0 [ 1129.631677][T18678] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1129.637758][T18678] ? _copy_from_user+0x15b/0x260 [ 1129.642704][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1129.647824][T18678] __msan_chain_origin+0x50/0x90 [ 1129.652772][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1129.657400][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1129.662695][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1129.667721][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1129.672744][T18678] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1129.678641][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1129.683613][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1129.689514][T18678] do_syscall_64+0xb0/0x150 [ 1129.694023][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1129.699911][T18678] RIP: 0033:0x45c1d9 [ 1129.703794][T18678] Code: Bad RIP value. [ 1129.707855][T18678] RSP: 002b:00007f23ebbd0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1129.716266][T18678] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1129.724239][T18678] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1129.732217][T18678] RBP: 000000000078bf50 R08: 0000000000000000 R09: 0000000000000000 [ 1129.740189][T18678] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bf0c [ 1129.748165][T18678] R13: 0000000000c9fb6f R14: 00007f23ebbd19c0 R15: 000000000078bf0c [ 1129.756147][T18678] Uninit was stored to memory at: [ 1129.761174][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1129.766899][T18678] __msan_chain_origin+0x50/0x90 [ 1129.771847][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1129.776447][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1129.781397][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1129.786257][T18678] do_syscall_64+0xb0/0x150 [ 1129.790766][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1129.796647][T18678] [ 1129.798966][T18678] Uninit was stored to memory at: [ 1129.803993][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1129.809763][T18678] __msan_chain_origin+0x50/0x90 [ 1129.814715][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1129.819310][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1129.824251][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1129.829103][T18678] do_syscall_64+0xb0/0x150 [ 1129.833606][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1129.839493][T18678] [ 1129.841819][T18678] Uninit was stored to memory at: [ 1129.846851][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1129.852580][T18678] __msan_chain_origin+0x50/0x90 [ 1129.857518][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1129.862111][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1129.867048][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1129.871907][T18678] do_syscall_64+0xb0/0x150 [ 1129.876432][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1129.882482][T18678] [ 1129.884801][T18678] Uninit was stored to memory at: [ 1129.889825][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1129.895548][T18678] __msan_chain_origin+0x50/0x90 [ 1129.900484][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1129.905077][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1129.910018][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1129.915742][T18678] do_syscall_64+0xb0/0x150 [ 1129.920254][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1129.926745][T18678] [ 1129.929067][T18678] Uninit was stored to memory at: [ 1129.934094][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1129.939811][T18678] __msan_chain_origin+0x50/0x90 [ 1129.944748][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1129.949365][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1129.954301][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1129.959150][T18678] do_syscall_64+0xb0/0x150 [ 1129.964088][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1129.969968][T18678] [ 1129.972286][T18678] Uninit was stored to memory at: [ 1129.977311][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1129.983377][T18678] __msan_chain_origin+0x50/0x90 [ 1129.988317][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1129.992907][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1129.997845][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1130.002697][T18678] do_syscall_64+0xb0/0x150 [ 1130.007200][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1130.013107][T18678] [ 1130.015429][T18678] Uninit was stored to memory at: [ 1130.020451][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1130.026171][T18678] __msan_chain_origin+0x50/0x90 [ 1130.031116][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1130.035705][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1130.040645][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1130.045498][T18678] do_syscall_64+0xb0/0x150 [ 1130.050005][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1130.055884][T18678] [ 1130.058205][T18678] Local variable ----msg_sys@do_recvmmsg created at: [ 1130.064974][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1130.069389][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1130.223867][T18678] not chained 4450000 origins [ 1130.228758][T18678] CPU: 0 PID: 18678 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1130.237425][T18678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1130.247478][T18678] Call Trace: [ 1130.250771][T18678] dump_stack+0x1df/0x240 [ 1130.255543][T18678] kmsan_internal_chain_origin+0x6f/0x130 [ 1130.261267][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1130.266740][T18678] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1130.273592][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1130.278881][T18678] ? kmsan_get_metadata+0x11d/0x180 [ 1130.284081][T18678] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1130.289907][T18678] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1130.295983][T18678] ? kfree+0x61/0x30f0 [ 1130.300059][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1130.305170][T18678] ? kmsan_set_origin_checked+0x95/0xf0 [ 1130.310722][T18678] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1130.316879][T18678] ? _copy_from_user+0x15b/0x260 [ 1130.321832][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1130.326941][T18678] __msan_chain_origin+0x50/0x90 [ 1130.331878][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1130.336502][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1130.341789][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1130.346814][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1130.351935][T18678] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1130.357832][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1130.362779][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1130.367635][T18678] do_syscall_64+0xb0/0x150 [ 1130.372147][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1130.378035][T18678] RIP: 0033:0x45c1d9 [ 1130.381915][T18678] Code: Bad RIP value. [ 1130.385972][T18678] RSP: 002b:00007f23ebbd0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1130.394379][T18678] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1130.402351][T18678] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1130.410318][T18678] RBP: 000000000078bf50 R08: 0000000000000000 R09: 0000000000000000 [ 1130.418372][T18678] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bf0c [ 1130.426340][T18678] R13: 0000000000c9fb6f R14: 00007f23ebbd19c0 R15: 000000000078bf0c [ 1130.434418][T18678] Uninit was stored to memory at: [ 1130.439445][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1130.445162][T18678] __msan_chain_origin+0x50/0x90 [ 1130.450097][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1130.454689][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1130.459624][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1130.464475][T18678] do_syscall_64+0xb0/0x150 [ 1130.468978][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1130.474944][T18678] [ 1130.477395][T18678] Uninit was stored to memory at: [ 1130.482418][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1130.488135][T18678] __msan_chain_origin+0x50/0x90 [ 1130.493073][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1130.497660][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1130.502597][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1130.507711][T18678] do_syscall_64+0xb0/0x150 [ 1130.512383][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1130.518259][T18678] [ 1130.520577][T18678] Uninit was stored to memory at: [ 1130.525959][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1130.531675][T18678] __msan_chain_origin+0x50/0x90 [ 1130.536612][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1130.541197][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1130.546144][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1130.551000][T18678] do_syscall_64+0xb0/0x150 [ 1130.555508][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1130.561401][T18678] [ 1130.563723][T18678] Uninit was stored to memory at: [ 1130.568749][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1130.574640][T18678] __msan_chain_origin+0x50/0x90 [ 1130.579576][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1130.584163][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1130.589100][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1130.593950][T18678] do_syscall_64+0xb0/0x150 [ 1130.598588][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1130.604471][T18678] [ 1130.606797][T18678] Uninit was stored to memory at: [ 1130.611833][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1130.617548][T18678] __msan_chain_origin+0x50/0x90 [ 1130.622488][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1130.627096][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1130.632053][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1130.636914][T18678] do_syscall_64+0xb0/0x150 [ 1130.641431][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1130.647310][T18678] [ 1130.649634][T18678] Uninit was stored to memory at: [ 1130.654695][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1130.660415][T18678] __msan_chain_origin+0x50/0x90 [ 1130.665381][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1130.669974][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1130.674914][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1130.679852][T18678] do_syscall_64+0xb0/0x150 [ 1130.684356][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1130.690246][T18678] [ 1130.692602][T18678] Uninit was stored to memory at: [ 1130.697633][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1130.703352][T18678] __msan_chain_origin+0x50/0x90 [ 1130.708327][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1130.712916][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1130.717851][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1130.722702][T18678] do_syscall_64+0xb0/0x150 [ 1130.727212][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1130.733095][T18678] [ 1130.735416][T18678] Local variable ----msg_sys@do_recvmmsg created at: [ 1130.742092][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1130.746516][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1130.901066][T18678] not chained 4460000 origins [ 1130.905787][T18678] CPU: 0 PID: 18678 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1130.914455][T18678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1130.924591][T18678] Call Trace: [ 1130.927886][T18678] dump_stack+0x1df/0x240 [ 1130.932262][T18678] kmsan_internal_chain_origin+0x6f/0x130 [ 1130.937985][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1130.943101][T18678] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1130.948998][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1130.954285][T18678] ? kmsan_get_metadata+0x11d/0x180 [ 1130.959485][T18678] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1130.965377][T18678] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1130.971529][T18678] ? kfree+0x61/0x30f0 [ 1130.975599][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1130.980712][T18678] ? kmsan_set_origin_checked+0x95/0xf0 [ 1130.986260][T18678] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1130.992328][T18678] ? _copy_from_user+0x15b/0x260 [ 1130.997265][T18678] ? kmsan_get_metadata+0x4f/0x180 [ 1131.002378][T18678] __msan_chain_origin+0x50/0x90 [ 1131.007323][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1131.011944][T18678] ? __msan_poison_alloca+0xf0/0x120 [ 1131.018189][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1131.023220][T18678] ? __se_sys_recvmmsg+0xac/0x350 [ 1131.029204][T18678] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1131.035101][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1131.040142][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1131.045000][T18678] do_syscall_64+0xb0/0x150 [ 1131.049510][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1131.055404][T18678] RIP: 0033:0x45c1d9 [ 1131.059299][T18678] Code: Bad RIP value. [ 1131.063363][T18678] RSP: 002b:00007f23ebbd0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1131.071778][T18678] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1131.079747][T18678] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1131.087724][T18678] RBP: 000000000078bf50 R08: 0000000000000000 R09: 0000000000000000 [ 1131.095792][T18678] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bf0c [ 1131.103761][T18678] R13: 0000000000c9fb6f R14: 00007f23ebbd19c0 R15: 000000000078bf0c [ 1131.111741][T18678] Uninit was stored to memory at: [ 1131.116773][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1131.122488][T18678] __msan_chain_origin+0x50/0x90 [ 1131.127524][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1131.132113][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1131.137052][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1131.141900][T18678] do_syscall_64+0xb0/0x150 [ 1131.146420][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1131.152322][T18678] [ 1131.154644][T18678] Uninit was stored to memory at: [ 1131.159675][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1131.165827][T18678] __msan_chain_origin+0x50/0x90 [ 1131.170764][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1131.175351][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1131.180289][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1131.185141][T18678] do_syscall_64+0xb0/0x150 [ 1131.189643][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1131.195529][T18678] [ 1131.197847][T18678] Uninit was stored to memory at: [ 1131.202992][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1131.208839][T18678] __msan_chain_origin+0x50/0x90 [ 1131.213784][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1131.218378][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1131.223314][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1131.228166][T18678] do_syscall_64+0xb0/0x150 [ 1131.232668][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1131.238932][T18678] [ 1131.241255][T18678] Uninit was stored to memory at: [ 1131.246282][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1131.251998][T18678] __msan_chain_origin+0x50/0x90 [ 1131.256941][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1131.261534][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1131.266527][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1131.271381][T18678] do_syscall_64+0xb0/0x150 [ 1131.275895][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1131.281951][T18678] [ 1131.284272][T18678] Uninit was stored to memory at: [ 1131.289295][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1131.295014][T18678] __msan_chain_origin+0x50/0x90 [ 1131.299988][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1131.304583][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1131.309519][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1131.314552][T18678] do_syscall_64+0xb0/0x150 [ 1131.319497][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1131.325471][T18678] [ 1131.327790][T18678] Uninit was stored to memory at: [ 1131.332815][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1131.338538][T18678] __msan_chain_origin+0x50/0x90 [ 1131.343479][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1131.348068][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1131.353106][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1131.357964][T18678] do_syscall_64+0xb0/0x150 [ 1131.362470][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1131.368347][T18678] [ 1131.370667][T18678] Uninit was stored to memory at: [ 1131.375701][T18678] kmsan_internal_chain_origin+0xad/0x130 [ 1131.381418][T18678] __msan_chain_origin+0x50/0x90 [ 1131.386358][T18678] do_recvmmsg+0x105a/0x1ee0 [ 1131.392945][T18678] __se_sys_recvmmsg+0x1d1/0x350 [ 1131.398231][T18678] __x64_sys_recvmmsg+0x62/0x80 [ 1131.403086][T18678] do_syscall_64+0xb0/0x150 [ 1131.407598][T18678] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1131.413474][T18678] [ 1131.415802][T18678] Local variable ----msg_sys@do_recvmmsg created at: [ 1131.422736][T18678] do_recvmmsg+0xc5/0x1ee0 [ 1131.427610][T18678] do_recvmmsg+0xc5/0x1ee0 15:35:01 executing program 3: prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r1, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) bind$netlink(0xffffffffffffffff, &(0x7f0000177ff4)={0x10, 0x0, 0x1}, 0xc) write(0xffffffffffffffff, &(0x7f0000000140)="2600000022004701050000000000000005006d20002b1f000a4a51f1ee839cd53400b017ca5b", 0x26) connect$netlink(0xffffffffffffffff, &(0x7f00000014c0)=@proc={0x10, 0x0, 0x1}, 0xc) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x8, &(0x7f0000b4bffc), 0xfd49) sendto(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000780), 0x3ffffffffffff81, 0x2, 0x0) 15:35:01 executing program 0: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x202, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, 0x0, 0x0, 0x6}}, 0x20) ioctl$SNDCTL_DSP_SYNC(r0, 0x5001, 0x0) ioctl$SNDCTL_DSP_SYNC(r0, 0x5001, 0x0) r1 = signalfd(0xffffffffffffffff, &(0x7f00007aeff8)={[0xfffffffffffffffc]}, 0x8) r2 = fcntl$dupfd(r0, 0x0, r1) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/dlm-control\x00', 0x101001, 0x0) r4 = add_key$keyring(&(0x7f00000002c0)='keyring\x00', &(0x7f00000003c0)={'syz', 0x3}, 0x0, 0x0, 0xfffffffffffffffd) add_key(&(0x7f0000000280)='asymmetric\x00', 0x0, &(0x7f0000000340)="04", 0x1a, r4) r5 = add_key$keyring(&(0x7f00000002c0)='keyring\x00', &(0x7f00000003c0)={'syz', 0x3}, 0x0, 0x0, 0xfffffffffffffffd) add_key(&(0x7f0000000280)='asymmetric\x00', 0x0, &(0x7f0000000340)="04", 0x1a, r5) keyctl$unlink(0x9, r4, r5) write$P9_RREADDIR(r3, 0x0, 0xa9) ioctl$DRM_IOCTL_AGP_INFO(r3, 0x80386433, &(0x7f0000000280)=""/76) ioctl$VIDIOC_SUBDEV_ENUM_DV_TIMINGS(r2, 0xc0945662, &(0x7f00000001c0)={0x80000001, 0x0, [], {0x0, @bt={0x8, 0x8, 0x1, 0x2, 0x3ff, 0x8, 0x5, 0x8, 0x800, 0x6, 0x0, 0x4, 0x3f, 0x1, 0x1, 0x2b, {0x2, 0x10000}, 0xa7, 0x4}}}) sendmsg$RDMA_NLDEV_CMD_PORT_GET(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000400)=ANY=[@ANYBLOB="400000000501000106584d361ae50dda000000080001000100000008000300040000000800010000000000080003000300000008030003f40000080001000200000024e721d536a5bff2c0104bc998e63e4d4fca00"/97], 0x60}, 0x1, 0x0, 0x0, 0xd0}, 0x10) 15:35:01 executing program 2: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$sock_linger(0xffffffffffffffff, 0x1, 0x3c, &(0x7f0000000180), 0x8) setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000080)='caif0\x00', 0x10) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) r1 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r0, r1, &(0x7f0000000240)=0x202, 0x4000000000dc) syz_genetlink_get_family_id$smc(&(0x7f0000003740)='SMC_PNETID\x00') 15:35:01 executing program 4: socket$key(0xf, 0x3, 0x2) sendmsg$key(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB="02070000220000000000000000000000020013001500000026bd700000000000010016004e21000002000b00910f000003000000000000001b0008"], 0x110}}, 0x0) 15:35:01 executing program 5: pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r1, 0x6, 0x10000000013, &(0x7f0000000180)=0x1, 0x233) setsockopt$sock_timeval(r1, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x2710}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000300)='sit0\x00', 0x10) connect$inet(r1, &(0x7f00000000c0)={0x2, 0x0, @loopback}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r1, 0x6, 0x1d, &(0x7f0000000100)={0x0, 0xdf5, 0x21f6}, 0x14) write$binfmt_misc(r0, &(0x7f0000000340)=ANY=[], 0xff01) splice(0xffffffffffffffff, 0x0, r1, 0x0, 0x1ffe0, 0x0) 15:35:01 executing program 1: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = add_key$user(&(0x7f0000000280)='user\x00', &(0x7f0000000180)={'syz'}, &(0x7f0000000000)="03", 0x1, 0xfffffffffffffffd) r1 = add_key$keyring(&(0x7f0000000380)='keyring\x00', &(0x7f00000003c0)={'syz'}, 0x0, 0x0, 0xfffffffffffffffe) r2 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000000)={'syz'}, &(0x7f0000000640)="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", 0x17b, r1) r3 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) keyctl$dh_compute(0x17, &(0x7f0000000300)={r0, r3, r2}, 0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000200)={'rmd128\x00'}}) 15:35:01 executing program 4: socket$key(0xf, 0x3, 0x2) sendmsg$key(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB="02070000220000000000000000000000020013001500000026bd700000000000010016004e21000002000b00910f000003000000000000001b0008"], 0x110}}, 0x0) 15:35:01 executing program 1: 15:35:01 executing program 2: 15:35:01 executing program 5: pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r2, 0x6, 0x10000000013, &(0x7f0000000180)=0x1, 0x233) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x2710}, 0x10) setsockopt$SO_BINDTODEVICE(r2, 0x1, 0x19, &(0x7f0000000300)='sit0\x00', 0x10) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @loopback}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r2, 0x6, 0x1d, &(0x7f0000000100)={0x0, 0xdf5, 0x21f6}, 0x14) write$binfmt_misc(r1, &(0x7f0000000340)=ANY=[], 0xff01) splice(r0, 0x0, 0xffffffffffffffff, 0x0, 0x1ffe0, 0x0) 15:35:01 executing program 3: prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r1, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) bind$netlink(0xffffffffffffffff, &(0x7f0000177ff4)={0x10, 0x0, 0x1}, 0xc) write(0xffffffffffffffff, &(0x7f0000000140)="2600000022004701050000000000000005006d20002b1f000a4a51f1ee839cd53400b017ca5b", 0x26) connect$netlink(0xffffffffffffffff, &(0x7f00000014c0)=@proc={0x10, 0x0, 0x1}, 0xc) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x8, &(0x7f0000b4bffc), 0xfd49) sendto(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000780), 0x3ffffffffffff81, 0x2, 0x0) 15:35:01 executing program 1: 15:35:01 executing program 4: socket$key(0xf, 0x3, 0x2) sendmsg$key(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB="02070000220000000000000000000000020013001500000026bd700000000000010016004e21000002000b00910f000003000000000000001b0008"], 0x110}}, 0x0) 15:35:02 executing program 0: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x202, 0x0) ioctl$SNDCTL_DSP_STEREO(r0, 0xc0045003, &(0x7f0000000140)) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, 0x0}}, 0x20) ioctl$SNDCTL_DSP_SYNC(r0, 0x5001, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/dlm-control\x00', 0x101001, 0x0) write$P9_RREADDIR(r1, 0x0, 0xa9) sendmsg$IPCTNL_MSG_EXP_GET_STATS_CPU(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, 0x3, 0x2, 0x801, 0x0, 0x0, {0x7, 0x0, 0x6}, ["", "", "", "", ""]}, 0x14}}, 0x0) ioctl$SNDCTL_DSP_SYNC(r0, 0x5001, 0x0) 15:35:02 executing program 3: prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) r1 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r1, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) bind$netlink(0xffffffffffffffff, &(0x7f0000177ff4)={0x10, 0x0, 0x1}, 0xc) write(0xffffffffffffffff, &(0x7f0000000140)="2600000022004701050000000000000005006d20002b1f000a4a51f1ee839cd53400b017ca5b", 0x26) connect$netlink(0xffffffffffffffff, &(0x7f00000014c0)=@proc={0x10, 0x0, 0x1}, 0xc) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x8, &(0x7f0000b4bffc), 0xfd49) sendto(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000000780), 0x3ffffffffffff81, 0x2, 0x0) 15:35:02 executing program 5: pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r2, 0x6, 0x10000000013, &(0x7f0000000180)=0x1, 0x233) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x2710}, 0x10) setsockopt$SO_BINDTODEVICE(r2, 0x1, 0x19, &(0x7f0000000300)='sit0\x00', 0x10) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @loopback}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r2, 0x6, 0x1d, &(0x7f0000000100)={0x0, 0xdf5, 0x21f6}, 0x14) write$binfmt_misc(r1, &(0x7f0000000340)=ANY=[], 0xff01) splice(r0, 0x0, 0xffffffffffffffff, 0x0, 0x1ffe0, 0x0) 15:35:02 executing program 2: 15:35:02 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, 0x0, 0x0) 15:35:02 executing program 1: 15:35:02 executing program 2: 15:35:02 executing program 5: pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r2, 0x6, 0x10000000013, &(0x7f0000000180)=0x1, 0x233) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x2710}, 0x10) setsockopt$SO_BINDTODEVICE(r2, 0x1, 0x19, &(0x7f0000000300)='sit0\x00', 0x10) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @loopback}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r2, 0x6, 0x1d, &(0x7f0000000100)={0x0, 0xdf5, 0x21f6}, 0x14) write$binfmt_misc(r1, &(0x7f0000000340)=ANY=[], 0xff01) splice(r0, 0x0, 0xffffffffffffffff, 0x0, 0x1ffe0, 0x0) 15:35:02 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setreuid(0x0, r1) r2 = bpf$PROG_LOAD(0x5, &(0x7f0000caefb8)={0x8, 0x3, &(0x7f0000000080)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x61, 0x54}}, &(0x7f0000281ffc)='GPL\x00'}, 0x48) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) dup2(r4, r2) 15:35:02 executing program 3: prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) socket$key(0xf, 0x3, 0x2) r1 = socket(0x10, 0x80002, 0x0) bind$netlink(r1, &(0x7f0000177ff4)={0x10, 0x0, 0x1}, 0xc) write(r1, &(0x7f0000000140)="2600000022004701050000000000000005006d20002b1f000a4a51f1ee839cd53400b017ca5b", 0x26) connect$netlink(r1, &(0x7f00000014c0)=@proc={0x10, 0x0, 0x1}, 0xc) setsockopt$sock_int(r1, 0x1, 0x8, &(0x7f0000b4bffc), 0xfd49) sendto(r1, 0x0, 0x0, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000000780), 0x3ffffffffffff81, 0x2, 0x0) 15:35:02 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, 0x0, 0x0) 15:35:02 executing program 2: r0 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(r0, 0xc01864ce, &(0x7f0000000040)={0x2}) 15:35:03 executing program 2: r0 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(r0, 0xc01864ba, &(0x7f0000000040)={0x2, 0x16, 0x21}) 15:35:03 executing program 5: pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r2, 0x6, 0x10000000013, &(0x7f0000000180)=0x1, 0x233) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x2710}, 0x10) setsockopt$SO_BINDTODEVICE(r2, 0x1, 0x19, &(0x7f0000000300)='sit0\x00', 0x10) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @loopback}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r2, 0x6, 0x1d, &(0x7f0000000100)={0x0, 0xdf5, 0x21f6}, 0x14) write$binfmt_misc(r1, &(0x7f0000000340)=ANY=[], 0xff01) splice(r0, 0x0, r2, 0x0, 0x0, 0x0) 15:35:03 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, 0x0, 0x0) 15:35:03 executing program 0: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x202, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, 0x0}}, 0x20) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/dlm-control\x00', 0x101001, 0x0) write$P9_RREADDIR(r1, 0x0, 0xa9) r2 = creat(&(0x7f0000000280)='./file0\x00', 0x0) close(r2) r3 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) r4 = signalfd(0xffffffffffffffff, &(0x7f00007aeff8)={[0xfffffffffffffffc]}, 0x8) write$binfmt_aout(r4, &(0x7f00000002c0)={{0x108, 0x2, 0x20, 0x2a8, 0xb3, 0xffffffff, 0x250, 0x648}, "6a48b6fe03a65072e8f9ec5507eb8670b97c76214cef43184109bffa2e5d407d1ad1ed6f43c840becf246c1728500dc9395d7bee0db3f458bbb8db799934b5dddbd0b0d32e1e063296ff8aa7a948cf940abc333fd94818b6287fe89a6ce7a2f6f5f73dd8495a7dd7f858c84800a6f2b5ad1c66b9e132b4cd0b8fccf5981d7455b2403503c0851d3c8629c0105babc12ec415431a4415cfab9b77b451b47221aa416667461a3995fb9eb9c4cdb14378ba9d92bc9df55ef3f3312a7136e7238e4a9580b8a74d60c19c0c0d4cb4a45c8b49364a6a1b245e84dd0b8cf4f81d63fee80fa6421d71b80a9d7bf003", [[], [], [], [], []]}, 0x60b) write$RDMA_USER_CM_CMD_CREATE_ID(r3, &(0x7f0000000280)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000180)={0xffffffffffffffff}, 0x13f}}, 0x20) write$RDMA_USER_CM_CMD_REJECT(r2, &(0x7f0000000000)={0x9, 0x108, 0xfa00, {r5, 0x0, "62c9ef", "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"}}, 0x110) r6 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/dlm-control\x00', 0x101001, 0x0) write$P9_RREADDIR(r6, 0x0, 0xa9) write$RDMA_USER_CM_CMD_RESOLVE_IP(r6, &(0x7f0000000040)={0x3, 0x40, 0xfa00, {{0xa, 0x4e21, 0x4, @mcast1, 0xffffff7f}, {0xa, 0x4e20, 0x2, @empty, 0x4}, r5, 0xffffffff}}, 0x48) ioctl$SNDCTL_DSP_SYNC(r0, 0x5001, 0x0) ioctl$SNDCTL_DSP_SYNC(r0, 0x5001, 0x0) 15:35:03 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) 15:35:03 executing program 5: pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r2, 0x6, 0x10000000013, &(0x7f0000000180)=0x1, 0x233) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x2710}, 0x10) setsockopt$SO_BINDTODEVICE(r2, 0x1, 0x19, &(0x7f0000000300)='sit0\x00', 0x10) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @loopback}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r2, 0x6, 0x1d, &(0x7f0000000100)={0x0, 0xdf5, 0x21f6}, 0x14) write$binfmt_misc(r1, &(0x7f0000000340)=ANY=[], 0xff01) splice(r0, 0x0, r2, 0x0, 0x0, 0x0) 15:35:03 executing program 2: r0 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(r0, 0xc01864ba, &(0x7f0000000040)={0x2, 0x16, 0x21}) 15:35:03 executing program 1: openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/mdstat\x00', 0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000003140)=[{{&(0x7f0000001400)=@ipx, 0x80, 0x0}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='fd/3\x00') preadv(r0, &(0x7f00000017c0), 0x1a2, 0x0) [ 1134.157597][T18785] not chained 4470000 origins [ 1134.162320][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1134.170993][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1134.181071][T18785] Call Trace: [ 1134.184380][T18785] dump_stack+0x1df/0x240 [ 1134.188819][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1134.194565][T18785] ? __msan_get_context_state+0x9/0x20 [ 1134.200056][T18785] ? idtentry_exit_cond_rcu+0x12/0x50 [ 1134.205451][T18785] ? __exc_page_fault+0xf6/0x390 [ 1134.210424][T18785] ? exc_page_fault+0x45/0x50 [ 1134.215114][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1134.220243][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1134.225804][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1134.231892][T18785] ? _copy_from_user+0x15b/0x260 [ 1134.236845][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1134.241983][T18785] __msan_chain_origin+0x50/0x90 [ 1134.246949][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1134.251585][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1134.257589][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1134.263001][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1134.268060][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1134.273979][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1134.278943][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1134.283813][T18785] do_syscall_64+0xb0/0x150 [ 1134.288335][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1134.294237][T18785] RIP: 0033:0x45c1d9 [ 1134.298219][T18785] Code: Bad RIP value. [ 1134.302289][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1134.310711][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1134.318695][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1134.326680][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1134.335538][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1134.343520][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1134.351507][T18785] Uninit was stored to memory at: [ 1134.356537][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1134.362242][T18785] __msan_chain_origin+0x50/0x90 [ 1134.367168][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1134.371745][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1134.376952][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1134.381816][T18785] do_syscall_64+0xb0/0x150 [ 1134.386309][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1134.393059][T18785] [ 1134.395370][T18785] Uninit was stored to memory at: [ 1134.400382][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1134.406174][T18785] __msan_chain_origin+0x50/0x90 [ 1134.411098][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1134.415686][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1134.420697][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1134.425534][T18785] do_syscall_64+0xb0/0x150 [ 1134.430026][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1134.435896][T18785] [ 1134.438211][T18785] Uninit was stored to memory at: [ 1134.443238][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1134.448943][T18785] __msan_chain_origin+0x50/0x90 [ 1134.453865][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1134.458441][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1134.463364][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1134.468205][T18785] do_syscall_64+0xb0/0x150 [ 1134.472694][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1134.478581][T18785] [ 1134.480893][T18785] Uninit was stored to memory at: [ 1134.485924][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1134.491753][T18785] __msan_chain_origin+0x50/0x90 [ 1134.496678][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1134.501254][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1134.506180][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1134.511019][T18785] do_syscall_64+0xb0/0x150 [ 1134.515510][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1134.521568][T18785] [ 1134.523881][T18785] Uninit was stored to memory at: [ 1134.528897][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1134.534690][T18785] __msan_chain_origin+0x50/0x90 [ 1134.539614][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1134.544191][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1134.549120][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1134.553956][T18785] do_syscall_64+0xb0/0x150 [ 1134.558449][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1134.564318][T18785] [ 1134.566626][T18785] Uninit was stored to memory at: [ 1134.571641][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1134.577347][T18785] __msan_chain_origin+0x50/0x90 [ 1134.582273][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1134.586850][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1134.591776][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1134.596619][T18785] do_syscall_64+0xb0/0x150 [ 1134.601110][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1134.607079][T18785] [ 1134.609405][T18785] Uninit was stored to memory at: [ 1134.614950][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1134.620669][T18785] __msan_chain_origin+0x50/0x90 [ 1134.625615][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1134.630190][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1134.635683][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1134.640800][T18785] do_syscall_64+0xb0/0x150 [ 1134.645289][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1134.651179][T18785] 15:35:04 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) [ 1134.653492][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1134.660244][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1134.666955][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1135.677957][T18785] not chained 4480000 origins [ 1135.682678][T18785] CPU: 0 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1135.691349][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1135.701414][T18785] Call Trace: [ 1135.704711][T18785] dump_stack+0x1df/0x240 [ 1135.709058][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1135.714785][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1135.719902][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1135.725803][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1135.731098][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1135.736315][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1135.742133][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1135.748562][T18785] ? kfree+0x61/0x30f0 [ 1135.752638][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1135.758014][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1135.763572][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1135.769653][T18785] ? _copy_from_user+0x15b/0x260 [ 1135.774605][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1135.779902][T18785] __msan_chain_origin+0x50/0x90 [ 1135.785025][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1135.789921][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1135.795217][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1135.800252][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1135.805284][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1135.811198][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1135.816239][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1135.821112][T18785] do_syscall_64+0xb0/0x150 [ 1135.825723][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1135.831668][T18785] RIP: 0033:0x45c1d9 [ 1135.835555][T18785] Code: Bad RIP value. [ 1135.839621][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1135.848029][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1135.855996][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1135.864245][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1135.872239][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1135.880199][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1135.888317][T18785] Uninit was stored to memory at: [ 1135.893410][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1135.899116][T18785] __msan_chain_origin+0x50/0x90 [ 1135.904120][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1135.908686][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1135.913599][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1135.918435][T18785] do_syscall_64+0xb0/0x150 [ 1135.922925][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1135.928800][T18785] [ 1135.931101][T18785] Uninit was stored to memory at: [ 1135.936104][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1135.941799][T18785] __msan_chain_origin+0x50/0x90 [ 1135.946802][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1135.951371][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1135.956283][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1135.961125][T18785] do_syscall_64+0xb0/0x150 [ 1135.965606][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1135.971484][T18785] [ 1135.973801][T18785] Uninit was stored to memory at: [ 1135.978821][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1135.984515][T18785] __msan_chain_origin+0x50/0x90 [ 1135.989433][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1135.994001][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1135.998916][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1136.003742][T18785] do_syscall_64+0xb0/0x150 [ 1136.008223][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1136.014085][T18785] [ 1136.016388][T18785] Uninit was stored to memory at: [ 1136.021389][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1136.027086][T18785] __msan_chain_origin+0x50/0x90 [ 1136.031999][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1136.036566][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1136.041477][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1136.046302][T18785] do_syscall_64+0xb0/0x150 [ 1136.050784][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1136.056646][T18785] [ 1136.058951][T18785] Uninit was stored to memory at: [ 1136.063953][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1136.069646][T18785] __msan_chain_origin+0x50/0x90 [ 1136.074562][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1136.079128][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1136.084065][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1136.088896][T18785] do_syscall_64+0xb0/0x150 [ 1136.093394][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1136.099255][T18785] [ 1136.101557][T18785] Uninit was stored to memory at: [ 1136.106560][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1136.112254][T18785] __msan_chain_origin+0x50/0x90 [ 1136.117173][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1136.121738][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1136.126651][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1136.131482][T18785] do_syscall_64+0xb0/0x150 [ 1136.135970][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1136.141840][T18785] [ 1136.144145][T18785] Uninit was stored to memory at: [ 1136.149149][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1136.154858][T18785] __msan_chain_origin+0x50/0x90 [ 1136.159773][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1136.164337][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1136.169250][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1136.174076][T18785] do_syscall_64+0xb0/0x150 [ 1136.178553][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1136.184416][T18785] [ 1136.186721][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1136.193373][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1136.198115][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1136.466641][T18785] not chained 4490000 origins [ 1136.471363][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1136.480036][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1136.490091][T18785] Call Trace: [ 1136.493392][T18785] dump_stack+0x1df/0x240 [ 1136.497738][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1136.503471][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1136.508589][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1136.514488][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1136.519798][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1136.525004][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1136.530825][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1136.536901][T18785] ? kfree+0x61/0x30f0 [ 1136.540973][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1136.546091][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1136.551641][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1136.557715][T18785] ? _copy_from_user+0x15b/0x260 [ 1136.562653][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1136.567845][T18785] __msan_chain_origin+0x50/0x90 [ 1136.572797][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1136.577432][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1136.582741][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1136.587857][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1136.592887][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1136.598879][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1136.603875][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1136.608741][T18785] do_syscall_64+0xb0/0x150 [ 1136.613466][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1136.619365][T18785] RIP: 0033:0x45c1d9 [ 1136.623256][T18785] Code: Bad RIP value. [ 1136.627317][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1136.635727][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1136.643703][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1136.652111][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1136.660180][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1136.668156][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1136.676236][T18785] Uninit was stored to memory at: [ 1136.681286][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1136.687005][T18785] __msan_chain_origin+0x50/0x90 [ 1136.691947][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1136.696534][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1136.702081][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1136.706934][T18785] do_syscall_64+0xb0/0x150 [ 1136.711469][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1136.717352][T18785] [ 1136.719672][T18785] Uninit was stored to memory at: [ 1136.724707][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1136.730425][T18785] __msan_chain_origin+0x50/0x90 [ 1136.735361][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1136.739949][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1136.744888][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1136.749741][T18785] do_syscall_64+0xb0/0x150 [ 1136.754246][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1136.760129][T18785] [ 1136.762451][T18785] Uninit was stored to memory at: [ 1136.767482][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1136.773199][T18785] __msan_chain_origin+0x50/0x90 [ 1136.778275][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1136.782875][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1136.787819][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1136.792676][T18785] do_syscall_64+0xb0/0x150 [ 1136.797183][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1136.803063][T18785] [ 1136.805515][T18785] Uninit was stored to memory at: [ 1136.810559][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1136.816282][T18785] __msan_chain_origin+0x50/0x90 [ 1136.821229][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1136.825823][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1136.830765][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1136.835617][T18785] do_syscall_64+0xb0/0x150 [ 1136.840128][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1136.846008][T18785] [ 1136.848329][T18785] Uninit was stored to memory at: [ 1136.853358][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1136.859082][T18785] __msan_chain_origin+0x50/0x90 [ 1136.864025][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1136.868626][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1136.873566][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1136.878418][T18785] do_syscall_64+0xb0/0x150 [ 1136.882921][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1136.888816][T18785] [ 1136.891133][T18785] Uninit was stored to memory at: [ 1136.896164][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1136.901886][T18785] __msan_chain_origin+0x50/0x90 [ 1136.906827][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1136.911418][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1136.916359][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1136.921215][T18785] do_syscall_64+0xb0/0x150 [ 1136.925720][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1136.931599][T18785] [ 1136.933922][T18785] Uninit was stored to memory at: [ 1136.938948][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1136.944665][T18785] __msan_chain_origin+0x50/0x90 [ 1136.949607][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1136.954200][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1136.959141][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1136.963991][T18785] do_syscall_64+0xb0/0x150 [ 1136.968497][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1136.974377][T18785] [ 1136.976696][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1136.983375][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1136.987794][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1137.189537][T18785] not chained 4500000 origins [ 1137.194258][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1137.203058][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1137.213114][T18785] Call Trace: [ 1137.216411][T18785] dump_stack+0x1df/0x240 [ 1137.220749][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1137.226475][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1137.231590][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1137.237490][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1137.242782][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1137.247986][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1137.253797][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1137.259871][T18785] ? kfree+0x61/0x30f0 [ 1137.263946][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1137.269062][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1137.274609][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1137.280685][T18785] ? _copy_from_user+0x15b/0x260 [ 1137.285625][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1137.290750][T18785] __msan_chain_origin+0x50/0x90 [ 1137.295703][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1137.300333][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1137.305626][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1137.310655][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1137.315682][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1137.321584][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1137.326536][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1137.331393][T18785] do_syscall_64+0xb0/0x150 [ 1137.335904][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1137.341794][T18785] RIP: 0033:0x45c1d9 [ 1137.345674][T18785] Code: Bad RIP value. [ 1137.349734][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1137.358186][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1137.366162][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1137.374135][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1137.382107][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1137.390088][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1137.398068][T18785] Uninit was stored to memory at: [ 1137.403187][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1137.408912][T18785] __msan_chain_origin+0x50/0x90 [ 1137.413860][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1137.418462][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1137.423402][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1137.428257][T18785] do_syscall_64+0xb0/0x150 [ 1137.432764][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1137.438746][T18785] [ 1137.441084][T18785] Uninit was stored to memory at: [ 1137.446109][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1137.451824][T18785] __msan_chain_origin+0x50/0x90 [ 1137.456763][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1137.461349][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1137.466296][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1137.471153][T18785] do_syscall_64+0xb0/0x150 [ 1137.475656][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1137.481538][T18785] [ 1137.484121][T18785] Uninit was stored to memory at: [ 1137.489236][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1137.494964][T18785] __msan_chain_origin+0x50/0x90 [ 1137.499906][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1137.504584][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1137.509532][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1137.514380][T18785] do_syscall_64+0xb0/0x150 [ 1137.518888][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1137.525036][T18785] [ 1137.527384][T18785] Uninit was stored to memory at: [ 1137.532417][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1137.538144][T18785] __msan_chain_origin+0x50/0x90 [ 1137.543174][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1137.547775][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1137.552723][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1137.557577][T18785] do_syscall_64+0xb0/0x150 [ 1137.562083][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1137.568049][T18785] [ 1137.570365][T18785] Uninit was stored to memory at: [ 1137.575391][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1137.581116][T18785] __msan_chain_origin+0x50/0x90 [ 1137.586065][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1137.592746][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1137.597717][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1137.602747][T18785] do_syscall_64+0xb0/0x150 [ 1137.607256][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1137.613137][T18785] [ 1137.615458][T18785] Uninit was stored to memory at: [ 1137.620502][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1137.626224][T18785] __msan_chain_origin+0x50/0x90 [ 1137.631173][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1137.635763][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1137.641796][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1137.646679][T18785] do_syscall_64+0xb0/0x150 [ 1137.651185][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1137.657239][T18785] [ 1137.659561][T18785] Uninit was stored to memory at: [ 1137.664591][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1137.670311][T18785] __msan_chain_origin+0x50/0x90 [ 1137.675266][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1137.679857][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1137.684793][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1137.689647][T18785] do_syscall_64+0xb0/0x150 [ 1137.694243][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1137.700127][T18785] [ 1137.702450][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1137.709128][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1137.713548][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1137.941869][T18785] not chained 4510000 origins [ 1137.946589][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1137.955270][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1137.965326][T18785] Call Trace: [ 1137.968634][T18785] dump_stack+0x1df/0x240 [ 1137.972976][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1137.978728][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1137.983842][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1137.989742][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1137.995038][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1138.000243][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1138.006053][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1138.012127][T18785] ? kfree+0x61/0x30f0 [ 1138.016229][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1138.021339][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1138.026887][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1138.032969][T18785] ? _copy_from_user+0x15b/0x260 [ 1138.037907][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1138.043030][T18785] __msan_chain_origin+0x50/0x90 [ 1138.049638][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1138.054266][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1138.059563][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1138.064938][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1138.069970][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1138.075873][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1138.080831][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1138.085690][T18785] do_syscall_64+0xb0/0x150 [ 1138.090203][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1138.096181][T18785] RIP: 0033:0x45c1d9 [ 1138.100067][T18785] Code: Bad RIP value. [ 1138.104130][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1138.112544][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1138.120516][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1138.128488][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1138.137441][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1138.145413][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1138.153395][T18785] Uninit was stored to memory at: [ 1138.158454][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1138.164173][T18785] __msan_chain_origin+0x50/0x90 [ 1138.169147][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1138.173751][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1138.178778][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1138.183629][T18785] do_syscall_64+0xb0/0x150 [ 1138.188144][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1138.194031][T18785] [ 1138.196357][T18785] Uninit was stored to memory at: [ 1138.201395][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1138.207123][T18785] __msan_chain_origin+0x50/0x90 [ 1138.212068][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1138.216661][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1138.221606][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1138.226458][T18785] do_syscall_64+0xb0/0x150 [ 1138.230961][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1138.236838][T18785] [ 1138.239159][T18785] Uninit was stored to memory at: [ 1138.244191][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1138.249914][T18785] __msan_chain_origin+0x50/0x90 [ 1138.254851][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1138.259443][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1138.264381][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1138.269234][T18785] do_syscall_64+0xb0/0x150 [ 1138.273739][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1138.279617][T18785] [ 1138.281935][T18785] Uninit was stored to memory at: [ 1138.286962][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1138.292687][T18785] __msan_chain_origin+0x50/0x90 [ 1138.297627][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1138.302224][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1138.307165][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1138.312017][T18785] do_syscall_64+0xb0/0x150 [ 1138.316531][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1138.322409][T18785] [ 1138.324738][T18785] Uninit was stored to memory at: [ 1138.329768][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1138.335486][T18785] __msan_chain_origin+0x50/0x90 [ 1138.340427][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1138.345016][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1138.349957][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1138.354809][T18785] do_syscall_64+0xb0/0x150 [ 1138.359426][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1138.365570][T18785] [ 1138.367889][T18785] Uninit was stored to memory at: [ 1138.372913][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1138.378630][T18785] __msan_chain_origin+0x50/0x90 [ 1138.383614][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1138.388204][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1138.393144][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1138.397998][T18785] do_syscall_64+0xb0/0x150 [ 1138.402503][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1138.408391][T18785] [ 1138.410741][T18785] Uninit was stored to memory at: [ 1138.415781][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1138.421505][T18785] __msan_chain_origin+0x50/0x90 [ 1138.426445][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1138.431558][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1138.436498][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1138.441351][T18785] do_syscall_64+0xb0/0x150 [ 1138.445857][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1138.451737][T18785] [ 1138.454061][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1138.460750][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1138.465163][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1138.605569][T18785] not chained 4520000 origins [ 1138.610270][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1138.618924][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1138.628978][T18785] Call Trace: [ 1138.632280][T18785] dump_stack+0x1df/0x240 [ 1138.636609][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1138.642308][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1138.647411][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1138.653301][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1138.658567][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1138.663747][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1138.669535][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1138.675580][T18785] ? kfree+0x61/0x30f0 [ 1138.679632][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1138.684741][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1138.690669][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1138.696716][T18785] ? _copy_from_user+0x15b/0x260 [ 1138.701631][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1138.706728][T18785] __msan_chain_origin+0x50/0x90 [ 1138.711661][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1138.716287][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1138.721575][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1138.726595][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1138.731728][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1138.737751][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1138.742696][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1138.747548][T18785] do_syscall_64+0xb0/0x150 [ 1138.752048][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1138.758006][T18785] RIP: 0033:0x45c1d9 [ 1138.761873][T18785] Code: Bad RIP value. [ 1138.765917][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1138.774310][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1138.782265][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1138.790225][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1138.798322][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1138.806316][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1138.814316][T18785] Uninit was stored to memory at: [ 1138.819386][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1138.825796][T18785] __msan_chain_origin+0x50/0x90 [ 1138.830810][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1138.835382][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1138.840300][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1138.845127][T18785] do_syscall_64+0xb0/0x150 [ 1138.849618][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1138.855493][T18785] [ 1138.857806][T18785] Uninit was stored to memory at: [ 1138.862927][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1138.868634][T18785] __msan_chain_origin+0x50/0x90 [ 1138.873563][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1138.878136][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1138.883050][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1138.887996][T18785] do_syscall_64+0xb0/0x150 [ 1138.892576][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1138.898463][T18785] [ 1138.900768][T18785] Uninit was stored to memory at: [ 1138.905862][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1138.911563][T18785] __msan_chain_origin+0x50/0x90 [ 1138.916488][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1138.921072][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1138.926266][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1138.931108][T18785] do_syscall_64+0xb0/0x150 [ 1138.935585][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1138.941470][T18785] [ 1138.943775][T18785] Uninit was stored to memory at: [ 1138.948783][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1138.954476][T18785] __msan_chain_origin+0x50/0x90 [ 1138.959405][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1138.963987][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1138.968904][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1138.973731][T18785] do_syscall_64+0xb0/0x150 [ 1138.978212][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1138.984076][T18785] [ 1138.986383][T18785] Uninit was stored to memory at: [ 1138.991405][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1138.997103][T18785] __msan_chain_origin+0x50/0x90 [ 1139.002046][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1139.006646][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1139.011596][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1139.016427][T18785] do_syscall_64+0xb0/0x150 [ 1139.020908][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1139.026773][T18785] [ 1139.029113][T18785] Uninit was stored to memory at: [ 1139.034135][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1139.039830][T18785] __msan_chain_origin+0x50/0x90 [ 1139.044752][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1139.049322][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1139.054254][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1139.059094][T18785] do_syscall_64+0xb0/0x150 [ 1139.063575][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1139.069533][T18785] [ 1139.071851][T18785] Uninit was stored to memory at: [ 1139.076867][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1139.082578][T18785] __msan_chain_origin+0x50/0x90 [ 1139.087502][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1139.092083][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1139.096999][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1139.101828][T18785] do_syscall_64+0xb0/0x150 [ 1139.106320][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1139.112195][T18785] [ 1139.114502][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1139.121158][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1139.125552][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1139.487395][T18785] not chained 4530000 origins [ 1139.492128][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1139.500809][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1139.510875][T18785] Call Trace: [ 1139.514182][T18785] dump_stack+0x1df/0x240 [ 1139.518526][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1139.524254][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1139.529376][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1139.535285][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1139.540587][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1139.545792][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1139.551611][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1139.557702][T18785] ? kfree+0x61/0x30f0 [ 1139.561781][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1139.566899][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1139.572458][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1139.578542][T18785] ? _copy_from_user+0x15b/0x260 [ 1139.583492][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1139.588620][T18785] __msan_chain_origin+0x50/0x90 [ 1139.593574][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1139.598389][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1139.603687][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1139.608741][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1139.613783][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1139.619700][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1139.624669][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1139.629542][T18785] do_syscall_64+0xb0/0x150 [ 1139.634059][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1139.639959][T18785] RIP: 0033:0x45c1d9 [ 1139.643987][T18785] Code: Bad RIP value. [ 1139.648063][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1139.656498][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1139.664481][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1139.672469][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1139.680459][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1139.688455][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1139.696448][T18785] Uninit was stored to memory at: [ 1139.701480][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1139.707219][T18785] __msan_chain_origin+0x50/0x90 [ 1139.712176][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1139.717042][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1139.721988][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1139.726845][T18785] do_syscall_64+0xb0/0x150 [ 1139.732393][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1139.738274][T18785] [ 1139.740601][T18785] Uninit was stored to memory at: [ 1139.745634][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1139.751489][T18785] __msan_chain_origin+0x50/0x90 [ 1139.756437][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1139.761063][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1139.766015][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1139.770870][T18785] do_syscall_64+0xb0/0x150 [ 1139.775375][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1139.781253][T18785] [ 1139.783573][T18785] Uninit was stored to memory at: [ 1139.788633][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1139.794359][T18785] __msan_chain_origin+0x50/0x90 [ 1139.799398][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1139.804002][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1139.808954][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1139.813809][T18785] do_syscall_64+0xb0/0x150 [ 1139.818315][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1139.824353][T18785] [ 1139.826683][T18785] Uninit was stored to memory at: [ 1139.831721][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1139.837453][T18785] __msan_chain_origin+0x50/0x90 [ 1139.842400][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1139.846999][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1139.851938][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1139.856794][T18785] do_syscall_64+0xb0/0x150 [ 1139.861309][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1139.867197][T18785] [ 1139.869523][T18785] Uninit was stored to memory at: [ 1139.874549][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1139.880274][T18785] __msan_chain_origin+0x50/0x90 [ 1139.885222][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1139.889823][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1139.894766][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1139.899618][T18785] do_syscall_64+0xb0/0x150 [ 1139.904123][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1139.910002][T18785] [ 1139.912324][T18785] Uninit was stored to memory at: [ 1139.917359][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1139.923094][T18785] __msan_chain_origin+0x50/0x90 [ 1139.928050][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1139.932647][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1139.937594][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1139.942451][T18785] do_syscall_64+0xb0/0x150 [ 1139.947066][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1139.952945][T18785] [ 1139.955267][T18785] Uninit was stored to memory at: [ 1139.960300][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1139.966027][T18785] __msan_chain_origin+0x50/0x90 [ 1139.970974][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1139.975566][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1139.980512][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1139.985375][T18785] do_syscall_64+0xb0/0x150 [ 1139.989888][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1139.995768][T18785] [ 1139.998094][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1140.004777][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1140.009203][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1140.380680][T18785] not chained 4540000 origins [ 1140.385402][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1140.394071][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1140.404133][T18785] Call Trace: [ 1140.407434][T18785] dump_stack+0x1df/0x240 [ 1140.411776][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1140.417503][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1140.422790][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1140.428775][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1140.434068][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1140.439271][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1140.445085][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1140.451205][T18785] ? kfree+0x61/0x30f0 [ 1140.455280][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1140.460396][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1140.465943][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1140.472020][T18785] ? _copy_from_user+0x15b/0x260 [ 1140.476967][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1140.482093][T18785] __msan_chain_origin+0x50/0x90 [ 1140.487041][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1140.491666][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1140.496963][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1140.501991][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1140.507379][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1140.513282][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1140.518406][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1140.523261][T18785] do_syscall_64+0xb0/0x150 [ 1140.527774][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1140.533689][T18785] RIP: 0033:0x45c1d9 [ 1140.537573][T18785] Code: Bad RIP value. [ 1140.541645][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1140.550057][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1140.558118][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1140.566093][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1140.574065][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1140.582994][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1140.590971][T18785] Uninit was stored to memory at: [ 1140.596001][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1140.601723][T18785] __msan_chain_origin+0x50/0x90 [ 1140.607013][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1140.611605][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1140.616538][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1140.621391][T18785] do_syscall_64+0xb0/0x150 [ 1140.626028][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1140.631907][T18785] [ 1140.634228][T18785] Uninit was stored to memory at: [ 1140.639259][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1140.644991][T18785] __msan_chain_origin+0x50/0x90 [ 1140.649935][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1140.654524][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1140.659557][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1140.664767][T18785] do_syscall_64+0xb0/0x150 [ 1140.669452][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1140.675494][T18785] [ 1140.677829][T18785] Uninit was stored to memory at: [ 1140.683084][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1140.688812][T18785] __msan_chain_origin+0x50/0x90 [ 1140.693754][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1140.698346][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1140.703286][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1140.708143][T18785] do_syscall_64+0xb0/0x150 [ 1140.712735][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1140.718702][T18785] [ 1140.721021][T18785] Uninit was stored to memory at: [ 1140.726093][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1140.731811][T18785] __msan_chain_origin+0x50/0x90 [ 1140.736754][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1140.741356][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1140.746300][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1140.751155][T18785] do_syscall_64+0xb0/0x150 [ 1140.755661][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1140.761541][T18785] [ 1140.763862][T18785] Uninit was stored to memory at: [ 1140.768893][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1140.774609][T18785] __msan_chain_origin+0x50/0x90 [ 1140.779549][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1140.784163][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1140.789121][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1140.793977][T18785] do_syscall_64+0xb0/0x150 [ 1140.798487][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1140.804368][T18785] [ 1140.806717][T18785] Uninit was stored to memory at: [ 1140.811780][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1140.817504][T18785] __msan_chain_origin+0x50/0x90 [ 1140.822447][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1140.827040][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1140.831977][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1140.836831][T18785] do_syscall_64+0xb0/0x150 [ 1140.841341][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1140.847228][T18785] [ 1140.849907][T18785] Uninit was stored to memory at: [ 1140.854935][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1140.860663][T18785] __msan_chain_origin+0x50/0x90 [ 1140.865607][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1140.870209][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1140.875153][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1140.880007][T18785] do_syscall_64+0xb0/0x150 [ 1140.884514][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1140.890395][T18785] [ 1140.892718][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1140.899396][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1140.903815][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1141.105123][T18785] not chained 4550000 origins [ 1141.109862][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1141.118531][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1141.128585][T18785] Call Trace: [ 1141.131883][T18785] dump_stack+0x1df/0x240 [ 1141.136218][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1141.141940][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1141.147063][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1141.152969][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1141.158324][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1141.163535][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1141.169355][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1141.175423][T18785] ? kfree+0x61/0x30f0 [ 1141.179492][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1141.184606][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1141.190160][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1141.196328][T18785] ? _copy_from_user+0x15b/0x260 [ 1141.201273][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1141.206385][T18785] __msan_chain_origin+0x50/0x90 [ 1141.211328][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1141.215959][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1141.221249][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1141.226284][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1141.231309][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1141.237211][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1141.242161][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1141.247012][T18785] do_syscall_64+0xb0/0x150 [ 1141.251519][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1141.257406][T18785] RIP: 0033:0x45c1d9 [ 1141.261379][T18785] Code: Bad RIP value. [ 1141.265437][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1141.273846][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1141.281820][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1141.289796][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1141.297765][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1141.305735][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1141.313712][T18785] Uninit was stored to memory at: [ 1141.318746][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1141.324467][T18785] __msan_chain_origin+0x50/0x90 [ 1141.329404][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1141.333998][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1141.338935][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1141.343784][T18785] do_syscall_64+0xb0/0x150 [ 1141.348313][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1141.354284][T18785] [ 1141.356608][T18785] Uninit was stored to memory at: [ 1141.361634][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1141.367360][T18785] __msan_chain_origin+0x50/0x90 [ 1141.372304][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1141.376902][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1141.381839][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1141.386690][T18785] do_syscall_64+0xb0/0x150 [ 1141.391192][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1141.397077][T18785] [ 1141.399397][T18785] Uninit was stored to memory at: [ 1141.404424][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1141.410143][T18785] __msan_chain_origin+0x50/0x90 [ 1141.415083][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1141.419680][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1141.424620][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1141.429471][T18785] do_syscall_64+0xb0/0x150 [ 1141.433995][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1141.439873][T18785] [ 1141.442194][T18785] Uninit was stored to memory at: [ 1141.447221][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1141.453022][T18785] __msan_chain_origin+0x50/0x90 [ 1141.457956][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1141.462543][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1141.467482][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1141.472336][T18785] do_syscall_64+0xb0/0x150 [ 1141.476842][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1141.482737][T18785] [ 1141.485052][T18785] Uninit was stored to memory at: [ 1141.490078][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1141.495794][T18785] __msan_chain_origin+0x50/0x90 [ 1141.500735][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1141.505325][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1141.510266][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1141.515115][T18785] do_syscall_64+0xb0/0x150 [ 1141.519618][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1141.525498][T18785] [ 1141.527905][T18785] Uninit was stored to memory at: [ 1141.533034][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1141.538769][T18785] __msan_chain_origin+0x50/0x90 [ 1141.543719][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1141.548313][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1141.553250][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1141.558110][T18785] do_syscall_64+0xb0/0x150 [ 1141.562615][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1141.568497][T18785] [ 1141.570815][T18785] Uninit was stored to memory at: [ 1141.575842][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1141.581568][T18785] __msan_chain_origin+0x50/0x90 [ 1141.586508][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1141.591150][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1141.596179][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1141.601032][T18785] do_syscall_64+0xb0/0x150 [ 1141.605559][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1141.611439][T18785] [ 1141.613764][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1141.620443][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1141.624857][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1141.832852][T18785] not chained 4560000 origins [ 1141.837610][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1141.846277][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1141.856333][T18785] Call Trace: [ 1141.859628][T18785] dump_stack+0x1df/0x240 [ 1141.863981][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1141.869706][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1141.874838][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1141.880741][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1141.886050][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1141.891264][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1141.897103][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1141.903185][T18785] ? kfree+0x61/0x30f0 [ 1141.907270][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1141.912390][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1141.917956][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1141.924047][T18785] ? _copy_from_user+0x15b/0x260 [ 1141.929087][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1141.935429][T18785] __msan_chain_origin+0x50/0x90 [ 1141.940382][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1141.945011][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1141.950307][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1141.955348][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1141.960379][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1141.966282][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1141.971243][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1141.976633][T18785] do_syscall_64+0xb0/0x150 [ 1141.981147][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1141.987044][T18785] RIP: 0033:0x45c1d9 [ 1141.991081][T18785] Code: Bad RIP value. [ 1141.995147][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1142.003571][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1142.011561][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1142.019550][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1142.027530][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1142.035505][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1142.043484][T18785] Uninit was stored to memory at: [ 1142.048518][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1142.054415][T18785] __msan_chain_origin+0x50/0x90 [ 1142.059355][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1142.063945][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1142.068891][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1142.073754][T18785] do_syscall_64+0xb0/0x150 [ 1142.078258][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1142.084160][T18785] [ 1142.086486][T18785] Uninit was stored to memory at: [ 1142.091532][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1142.097247][T18785] __msan_chain_origin+0x50/0x90 [ 1142.102185][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1142.106782][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1142.111718][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1142.116572][T18785] do_syscall_64+0xb0/0x150 [ 1142.121096][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1142.126974][T18785] [ 1142.129298][T18785] Uninit was stored to memory at: [ 1142.134328][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1142.140051][T18785] __msan_chain_origin+0x50/0x90 [ 1142.145000][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1142.149606][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1142.154555][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1142.159417][T18785] do_syscall_64+0xb0/0x150 [ 1142.163932][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1142.169827][T18785] [ 1142.172154][T18785] Uninit was stored to memory at: [ 1142.177187][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1142.182916][T18785] __msan_chain_origin+0x50/0x90 [ 1142.187862][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1142.192461][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1142.197415][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1142.202271][T18785] do_syscall_64+0xb0/0x150 [ 1142.206784][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1142.212677][T18785] [ 1142.215004][T18785] Uninit was stored to memory at: [ 1142.220042][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1142.225771][T18785] __msan_chain_origin+0x50/0x90 [ 1142.230721][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1142.235333][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1142.240279][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1142.245137][T18785] do_syscall_64+0xb0/0x150 [ 1142.249650][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1142.255540][T18785] [ 1142.257869][T18785] Uninit was stored to memory at: [ 1142.262910][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1142.268636][T18785] __msan_chain_origin+0x50/0x90 [ 1142.273585][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1142.278193][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1142.283138][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1142.287994][T18785] do_syscall_64+0xb0/0x150 [ 1142.292510][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1142.298425][T18785] [ 1142.300752][T18785] Uninit was stored to memory at: [ 1142.306219][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1142.311948][T18785] __msan_chain_origin+0x50/0x90 [ 1142.316896][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1142.321496][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1142.326465][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1142.331330][T18785] do_syscall_64+0xb0/0x150 [ 1142.335846][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1142.341735][T18785] [ 1142.344069][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1142.350761][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1142.355184][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1142.554810][T18785] not chained 4570000 origins [ 1142.559543][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1142.568390][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1142.578881][T18785] Call Trace: [ 1142.582179][T18785] dump_stack+0x1df/0x240 [ 1142.586522][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1142.592247][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1142.597377][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1142.603281][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1142.608583][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1142.613798][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1142.619718][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1142.625808][T18785] ? kfree+0x61/0x30f0 [ 1142.629887][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1142.635003][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1142.640574][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1142.646652][T18785] ? _copy_from_user+0x15b/0x260 [ 1142.651598][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1142.656716][T18785] __msan_chain_origin+0x50/0x90 [ 1142.661660][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1142.666283][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1142.671576][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1142.676610][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1142.681643][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1142.687548][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1142.692608][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1142.697478][T18785] do_syscall_64+0xb0/0x150 [ 1142.701991][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1142.707884][T18785] RIP: 0033:0x45c1d9 [ 1142.711883][T18785] Code: Bad RIP value. [ 1142.715985][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1142.725188][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1142.733168][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1142.741142][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1142.749119][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1142.757131][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1142.765118][T18785] Uninit was stored to memory at: [ 1142.770152][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1142.775881][T18785] __msan_chain_origin+0x50/0x90 [ 1142.780827][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1142.785432][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1142.790385][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1142.795244][T18785] do_syscall_64+0xb0/0x150 [ 1142.799841][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1142.805727][T18785] [ 1142.808054][T18785] Uninit was stored to memory at: [ 1142.813092][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1142.818821][T18785] __msan_chain_origin+0x50/0x90 [ 1142.823768][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1142.828360][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1142.833296][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1142.838148][T18785] do_syscall_64+0xb0/0x150 [ 1142.842658][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1142.848539][T18785] [ 1142.850859][T18785] Uninit was stored to memory at: [ 1142.855885][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1142.861609][T18785] __msan_chain_origin+0x50/0x90 [ 1142.866551][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1142.871142][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1142.876083][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1142.880934][T18785] do_syscall_64+0xb0/0x150 [ 1142.885442][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1142.891323][T18785] [ 1142.893644][T18785] Uninit was stored to memory at: [ 1142.898671][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1142.904390][T18785] __msan_chain_origin+0x50/0x90 [ 1142.909340][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1142.913928][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1142.918868][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1142.923726][T18785] do_syscall_64+0xb0/0x150 [ 1142.928232][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1142.934114][T18785] [ 1142.936434][T18785] Uninit was stored to memory at: [ 1142.941461][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1142.947183][T18785] __msan_chain_origin+0x50/0x90 [ 1142.952124][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1142.956717][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1142.961654][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1142.966508][T18785] do_syscall_64+0xb0/0x150 [ 1142.971011][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1142.976889][T18785] [ 1142.979210][T18785] Uninit was stored to memory at: [ 1142.984233][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1142.989954][T18785] __msan_chain_origin+0x50/0x90 [ 1142.994897][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1142.999490][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1143.004429][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1143.009286][T18785] do_syscall_64+0xb0/0x150 [ 1143.013788][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1143.019674][T18785] [ 1143.021995][T18785] Uninit was stored to memory at: [ 1143.027456][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1143.033185][T18785] __msan_chain_origin+0x50/0x90 [ 1143.038134][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1143.042726][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1143.047663][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1143.052514][T18785] do_syscall_64+0xb0/0x150 [ 1143.057018][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1143.062897][T18785] [ 1143.065216][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1143.071893][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1143.076307][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1143.294132][T18785] not chained 4580000 origins [ 1143.298863][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1143.307577][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1143.317636][T18785] Call Trace: [ 1143.320933][T18785] dump_stack+0x1df/0x240 [ 1143.325273][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1143.330999][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1143.336115][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1143.342013][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1143.347309][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1143.352530][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1143.358345][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1143.364413][T18785] ? kfree+0x61/0x30f0 [ 1143.368486][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1143.373600][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1143.379150][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1143.385229][T18785] ? _copy_from_user+0x15b/0x260 [ 1143.390178][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1143.395298][T18785] __msan_chain_origin+0x50/0x90 [ 1143.400250][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1143.404882][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1143.410204][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1143.415255][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1143.420287][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1143.426190][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1143.431139][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1143.435996][T18785] do_syscall_64+0xb0/0x150 [ 1143.440764][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1143.446650][T18785] RIP: 0033:0x45c1d9 [ 1143.450529][T18785] Code: Bad RIP value. [ 1143.454583][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1143.462991][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1143.470961][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1143.478931][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1143.486900][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1143.494869][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1143.502848][T18785] Uninit was stored to memory at: [ 1143.507878][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1143.513598][T18785] __msan_chain_origin+0x50/0x90 [ 1143.519001][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1143.523677][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1143.528634][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1143.533484][T18785] do_syscall_64+0xb0/0x150 [ 1143.537985][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1143.543864][T18785] [ 1143.546191][T18785] Uninit was stored to memory at: [ 1143.551662][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1143.557378][T18785] __msan_chain_origin+0x50/0x90 [ 1143.562336][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1143.566923][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1143.571869][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1143.576716][T18785] do_syscall_64+0xb0/0x150 [ 1143.581219][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1143.587095][T18785] [ 1143.589412][T18785] Uninit was stored to memory at: [ 1143.594459][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1143.600188][T18785] __msan_chain_origin+0x50/0x90 [ 1143.605128][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1143.609722][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1143.614744][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1143.619746][T18785] do_syscall_64+0xb0/0x150 [ 1143.624255][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1143.630138][T18785] [ 1143.632456][T18785] Uninit was stored to memory at: [ 1143.637482][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1143.643216][T18785] __msan_chain_origin+0x50/0x90 [ 1143.648166][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1143.652760][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1143.657702][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1143.662616][T18785] do_syscall_64+0xb0/0x150 [ 1143.670604][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1143.676494][T18785] [ 1143.678814][T18785] Uninit was stored to memory at: [ 1143.683844][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1143.689563][T18785] __msan_chain_origin+0x50/0x90 [ 1143.694501][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1143.699094][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1143.704031][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1143.708970][T18785] do_syscall_64+0xb0/0x150 [ 1143.713470][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1143.719348][T18785] [ 1143.721671][T18785] Uninit was stored to memory at: [ 1143.726696][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1143.732414][T18785] __msan_chain_origin+0x50/0x90 [ 1143.737350][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1143.741938][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1143.747222][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1143.752078][T18785] do_syscall_64+0xb0/0x150 [ 1143.756593][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1143.763614][T18785] [ 1143.765943][T18785] Uninit was stored to memory at: [ 1143.770974][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1143.776694][T18785] __msan_chain_origin+0x50/0x90 [ 1143.781630][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1143.786230][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1143.791167][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1143.796013][T18785] do_syscall_64+0xb0/0x150 [ 1143.800514][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1143.806390][T18785] [ 1143.808709][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1143.815380][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1143.819801][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1144.014754][T18785] not chained 4590000 origins [ 1144.019481][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1144.028169][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1144.038224][T18785] Call Trace: [ 1144.041522][T18785] dump_stack+0x1df/0x240 [ 1144.045859][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1144.051577][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1144.056688][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1144.062593][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1144.067882][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1144.073085][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1144.078896][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1144.084964][T18785] ? kfree+0x61/0x30f0 [ 1144.089037][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1144.094150][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1144.099697][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1144.105769][T18785] ? _copy_from_user+0x15b/0x260 [ 1144.110720][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1144.115828][T18785] __msan_chain_origin+0x50/0x90 [ 1144.120772][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1144.125412][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1144.130713][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1144.135740][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1144.140773][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1144.146672][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1144.151625][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1144.156479][T18785] do_syscall_64+0xb0/0x150 [ 1144.160991][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1144.166881][T18785] RIP: 0033:0x45c1d9 [ 1144.170761][T18785] Code: Bad RIP value. [ 1144.174820][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1144.183236][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1144.191212][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1144.199185][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1144.209939][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1144.217914][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1144.225982][T18785] Uninit was stored to memory at: [ 1144.231018][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1144.236740][T18785] __msan_chain_origin+0x50/0x90 [ 1144.241680][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1144.246364][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1144.251302][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1144.256156][T18785] do_syscall_64+0xb0/0x150 [ 1144.260661][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1144.266565][T18785] [ 1144.268891][T18785] Uninit was stored to memory at: [ 1144.273918][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1144.279636][T18785] __msan_chain_origin+0x50/0x90 [ 1144.284573][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1144.289163][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1144.294254][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1144.299121][T18785] do_syscall_64+0xb0/0x150 [ 1144.303631][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1144.309517][T18785] [ 1144.311839][T18785] Uninit was stored to memory at: [ 1144.316867][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1144.322593][T18785] __msan_chain_origin+0x50/0x90 [ 1144.327531][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1144.332119][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1144.337057][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1144.342083][T18785] do_syscall_64+0xb0/0x150 [ 1144.346613][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1144.352491][T18785] [ 1144.354808][T18785] Uninit was stored to memory at: [ 1144.359839][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1144.365557][T18785] __msan_chain_origin+0x50/0x90 [ 1144.370493][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1144.375084][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1144.380022][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1144.384875][T18785] do_syscall_64+0xb0/0x150 [ 1144.389380][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1144.395262][T18785] [ 1144.397584][T18785] Uninit was stored to memory at: [ 1144.402616][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1144.408333][T18785] __msan_chain_origin+0x50/0x90 [ 1144.413269][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1144.417859][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1144.422794][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1144.427646][T18785] do_syscall_64+0xb0/0x150 [ 1144.432150][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1144.438034][T18785] [ 1144.440352][T18785] Uninit was stored to memory at: [ 1144.445380][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1144.451101][T18785] __msan_chain_origin+0x50/0x90 [ 1144.456038][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1144.460723][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1144.465659][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1144.470506][T18785] do_syscall_64+0xb0/0x150 [ 1144.475018][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1144.480900][T18785] [ 1144.483219][T18785] Uninit was stored to memory at: [ 1144.488245][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1144.495441][T18785] __msan_chain_origin+0x50/0x90 [ 1144.500384][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1144.504972][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1144.509908][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1144.514761][T18785] do_syscall_64+0xb0/0x150 [ 1144.519271][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1144.525149][T18785] [ 1144.527473][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1144.534149][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1144.538568][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1144.719760][T18785] not chained 4600000 origins [ 1144.724487][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1144.733152][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1144.743210][T18785] Call Trace: [ 1144.746520][T18785] dump_stack+0x1df/0x240 [ 1144.750856][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1144.756669][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1144.761824][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1144.767734][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1144.773027][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1144.778240][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1144.784065][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1144.790147][T18785] ? kfree+0x61/0x30f0 [ 1144.794228][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1144.799356][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1144.804904][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1144.810977][T18785] ? _copy_from_user+0x15b/0x260 [ 1144.815917][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1144.821060][T18785] __msan_chain_origin+0x50/0x90 [ 1144.826117][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1144.830751][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1144.836130][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1144.841160][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1144.846191][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1144.852102][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1144.857070][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1144.861936][T18785] do_syscall_64+0xb0/0x150 [ 1144.866446][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1144.872333][T18785] RIP: 0033:0x45c1d9 [ 1144.876223][T18785] Code: Bad RIP value. [ 1144.880286][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1144.888693][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1144.896664][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1144.904634][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1144.912705][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1144.920677][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1144.928656][T18785] Uninit was stored to memory at: [ 1144.933686][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1144.939408][T18785] __msan_chain_origin+0x50/0x90 [ 1144.944347][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1144.948936][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1144.953872][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1144.958724][T18785] do_syscall_64+0xb0/0x150 [ 1144.963230][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1144.969108][T18785] [ 1144.971423][T18785] Uninit was stored to memory at: [ 1144.976450][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1144.982169][T18785] __msan_chain_origin+0x50/0x90 [ 1144.987104][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1144.991690][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1144.996626][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1145.001476][T18785] do_syscall_64+0xb0/0x150 [ 1145.005989][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1145.011869][T18785] [ 1145.014190][T18785] Uninit was stored to memory at: [ 1145.019230][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1145.024951][T18785] __msan_chain_origin+0x50/0x90 [ 1145.029895][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1145.034483][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1145.039424][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1145.044278][T18785] do_syscall_64+0xb0/0x150 [ 1145.048784][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1145.054663][T18785] [ 1145.056990][T18785] Uninit was stored to memory at: [ 1145.062020][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1145.067737][T18785] __msan_chain_origin+0x50/0x90 [ 1145.072682][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1145.077277][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1145.082222][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1145.087073][T18785] do_syscall_64+0xb0/0x150 [ 1145.091579][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1145.097458][T18785] [ 1145.099778][T18785] Uninit was stored to memory at: [ 1145.104803][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1145.110524][T18785] __msan_chain_origin+0x50/0x90 [ 1145.115458][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1145.120054][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1145.125004][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1145.129870][T18785] do_syscall_64+0xb0/0x150 [ 1145.134384][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1145.140267][T18785] [ 1145.142588][T18785] Uninit was stored to memory at: [ 1145.147621][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1145.153345][T18785] __msan_chain_origin+0x50/0x90 [ 1145.158286][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1145.162879][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1145.167818][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1145.172670][T18785] do_syscall_64+0xb0/0x150 [ 1145.177172][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1145.183054][T18785] [ 1145.185373][T18785] Uninit was stored to memory at: [ 1145.190396][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1145.196126][T18785] __msan_chain_origin+0x50/0x90 [ 1145.201090][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1145.205685][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1145.210629][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1145.215486][T18785] do_syscall_64+0xb0/0x150 [ 1145.220001][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1145.225883][T18785] [ 1145.228209][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1145.234885][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1145.239568][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1145.400621][T18785] not chained 4610000 origins [ 1145.405329][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1145.413977][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1145.424017][T18785] Call Trace: [ 1145.427372][T18785] dump_stack+0x1df/0x240 [ 1145.431685][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1145.437406][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1145.442508][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1145.448382][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1145.453643][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1145.458833][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1145.464636][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1145.470687][T18785] ? kfree+0x61/0x30f0 [ 1145.474733][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1145.479827][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1145.485358][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1145.491417][T18785] ? _copy_from_user+0x15b/0x260 [ 1145.496449][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1145.501589][T18785] __msan_chain_origin+0x50/0x90 [ 1145.506517][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1145.511108][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1145.516386][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1145.521403][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1145.526421][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1145.532305][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1145.537251][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1145.542096][T18785] do_syscall_64+0xb0/0x150 [ 1145.546584][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1145.552450][T18785] RIP: 0033:0x45c1d9 [ 1145.556326][T18785] Code: Bad RIP value. [ 1145.560385][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1145.568781][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1145.576758][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1145.584742][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1145.592702][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1145.600655][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1145.608620][T18785] Uninit was stored to memory at: [ 1145.613642][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1145.619359][T18785] __msan_chain_origin+0x50/0x90 [ 1145.624536][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1145.629115][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1145.634073][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1145.639450][T18785] do_syscall_64+0xb0/0x150 [ 1145.643981][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1145.649862][T18785] [ 1145.652184][T18785] Uninit was stored to memory at: [ 1145.657200][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1145.662898][T18785] __msan_chain_origin+0x50/0x90 [ 1145.667826][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1145.672404][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1145.677330][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1145.682173][T18785] do_syscall_64+0xb0/0x150 [ 1145.686666][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1145.692626][T18785] [ 1145.694927][T18785] Uninit was stored to memory at: [ 1145.699928][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1145.705637][T18785] __msan_chain_origin+0x50/0x90 [ 1145.710557][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1145.715469][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1145.720382][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1145.725210][T18785] do_syscall_64+0xb0/0x150 [ 1145.729701][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1145.735564][T18785] [ 1145.737866][T18785] Uninit was stored to memory at: [ 1145.742866][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1145.748571][T18785] __msan_chain_origin+0x50/0x90 [ 1145.753501][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1145.758068][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1145.762994][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1145.767847][T18785] do_syscall_64+0xb0/0x150 [ 1145.772350][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1145.778224][T18785] [ 1145.780530][T18785] Uninit was stored to memory at: [ 1145.785545][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1145.791264][T18785] __msan_chain_origin+0x50/0x90 [ 1145.796204][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1145.800783][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1145.805711][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1145.810551][T18785] do_syscall_64+0xb0/0x150 [ 1145.815035][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1145.820904][T18785] [ 1145.823209][T18785] Uninit was stored to memory at: [ 1145.828227][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1145.833936][T18785] __msan_chain_origin+0x50/0x90 [ 1145.838870][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1145.843448][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1145.848394][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1145.853240][T18785] do_syscall_64+0xb0/0x150 [ 1145.857726][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1145.863681][T18785] [ 1145.866226][T18785] Uninit was stored to memory at: [ 1145.871264][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1145.877099][T18785] __msan_chain_origin+0x50/0x90 [ 1145.882021][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1145.886600][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1145.891547][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1145.896389][T18785] do_syscall_64+0xb0/0x150 [ 1145.900903][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1145.906769][T18785] [ 1145.909086][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1145.915934][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1145.920344][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1146.085430][T18785] not chained 4620000 origins [ 1146.090150][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1146.098820][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1146.108876][T18785] Call Trace: [ 1146.112173][T18785] dump_stack+0x1df/0x240 [ 1146.116514][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1146.122243][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1146.127365][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1146.133262][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1146.138555][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1146.143758][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1146.149868][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1146.155933][T18785] ? kfree+0x61/0x30f0 [ 1146.160016][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1146.165131][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1146.170682][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1146.176759][T18785] ? _copy_from_user+0x15b/0x260 [ 1146.181704][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1146.186817][T18785] __msan_chain_origin+0x50/0x90 [ 1146.191760][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1146.196379][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1146.201685][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1146.206709][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1146.211732][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1146.217628][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1146.222580][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1146.227634][T18785] do_syscall_64+0xb0/0x150 [ 1146.232143][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1146.238034][T18785] RIP: 0033:0x45c1d9 [ 1146.241947][T18785] Code: Bad RIP value. [ 1146.246005][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1146.254414][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1146.262389][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1146.270374][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1146.278354][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1146.286338][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1146.294324][T18785] Uninit was stored to memory at: [ 1146.299361][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1146.305087][T18785] __msan_chain_origin+0x50/0x90 [ 1146.310029][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1146.314616][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1146.319568][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1146.324424][T18785] do_syscall_64+0xb0/0x150 [ 1146.328935][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1146.334815][T18785] [ 1146.337137][T18785] Uninit was stored to memory at: [ 1146.342166][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1146.347976][T18785] __msan_chain_origin+0x50/0x90 [ 1146.353100][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1146.357705][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1146.362652][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1146.367510][T18785] do_syscall_64+0xb0/0x150 [ 1146.372018][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1146.378170][T18785] [ 1146.380488][T18785] Uninit was stored to memory at: [ 1146.385520][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1146.391242][T18785] __msan_chain_origin+0x50/0x90 [ 1146.396179][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1146.400771][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1146.406170][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1146.411192][T18785] do_syscall_64+0xb0/0x150 [ 1146.415698][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1146.421577][T18785] [ 1146.423896][T18785] Uninit was stored to memory at: [ 1146.428922][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1146.434643][T18785] __msan_chain_origin+0x50/0x90 [ 1146.439579][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1146.444167][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1146.449106][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1146.453955][T18785] do_syscall_64+0xb0/0x150 [ 1146.458461][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1146.464348][T18785] [ 1146.466670][T18785] Uninit was stored to memory at: [ 1146.471698][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1146.477419][T18785] __msan_chain_origin+0x50/0x90 [ 1146.482358][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1146.487064][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1146.491995][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1146.496848][T18785] do_syscall_64+0xb0/0x150 [ 1146.501351][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1146.507230][T18785] [ 1146.509725][T18785] Uninit was stored to memory at: [ 1146.514747][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1146.520548][T18785] __msan_chain_origin+0x50/0x90 [ 1146.525488][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1146.530166][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1146.535101][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1146.539953][T18785] do_syscall_64+0xb0/0x150 [ 1146.544458][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1146.550337][T18785] [ 1146.552657][T18785] Uninit was stored to memory at: [ 1146.557687][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1146.563408][T18785] __msan_chain_origin+0x50/0x90 [ 1146.568350][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1146.572939][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1146.577880][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1146.582832][T18785] do_syscall_64+0xb0/0x150 [ 1146.587341][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1146.593222][T18785] [ 1146.595542][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1146.602224][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1146.606645][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1146.770071][T18785] not chained 4630000 origins [ 1146.774797][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1146.783464][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1146.793518][T18785] Call Trace: [ 1146.796827][T18785] dump_stack+0x1df/0x240 [ 1146.801169][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1146.807086][T18785] ? __msan_get_context_state+0x9/0x20 [ 1146.812557][T18785] ? idtentry_exit_cond_rcu+0x12/0x50 [ 1146.817936][T18785] ? __exc_page_fault+0xf6/0x390 [ 1146.822881][T18785] ? exc_page_fault+0x45/0x50 [ 1146.827564][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1146.832678][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1146.838229][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1146.844306][T18785] ? _copy_from_user+0x15b/0x260 [ 1146.849250][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1146.854367][T18785] __msan_chain_origin+0x50/0x90 [ 1146.859322][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1146.863956][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1146.869258][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1146.874286][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1146.879355][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1146.885256][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1146.890207][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1146.895062][T18785] do_syscall_64+0xb0/0x150 [ 1146.899574][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1146.905530][T18785] RIP: 0033:0x45c1d9 [ 1146.909416][T18785] Code: Bad RIP value. [ 1146.913496][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1146.922001][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1146.930412][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1146.938386][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1146.946361][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1146.954335][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1146.962320][T18785] Uninit was stored to memory at: [ 1146.967355][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1146.973079][T18785] __msan_chain_origin+0x50/0x90 [ 1146.978022][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1146.982615][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1146.987552][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1146.992488][T18785] do_syscall_64+0xb0/0x150 [ 1146.996994][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1147.002905][T18785] [ 1147.005223][T18785] Uninit was stored to memory at: [ 1147.010435][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1147.016243][T18785] __msan_chain_origin+0x50/0x90 [ 1147.021191][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1147.025807][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1147.030744][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1147.035597][T18785] do_syscall_64+0xb0/0x150 [ 1147.040109][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1147.045995][T18785] [ 1147.048409][T18785] Uninit was stored to memory at: [ 1147.054304][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1147.060028][T18785] __msan_chain_origin+0x50/0x90 [ 1147.064981][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1147.069571][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1147.074510][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1147.079364][T18785] do_syscall_64+0xb0/0x150 [ 1147.083868][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1147.089758][T18785] [ 1147.092078][T18785] Uninit was stored to memory at: [ 1147.097107][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1147.102838][T18785] __msan_chain_origin+0x50/0x90 [ 1147.107780][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1147.112381][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1147.117319][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1147.122170][T18785] do_syscall_64+0xb0/0x150 [ 1147.128154][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1147.134030][T18785] [ 1147.136352][T18785] Uninit was stored to memory at: [ 1147.141382][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1147.147129][T18785] __msan_chain_origin+0x50/0x90 [ 1147.152068][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1147.156658][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1147.161685][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1147.166539][T18785] do_syscall_64+0xb0/0x150 [ 1147.171042][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1147.176919][T18785] [ 1147.179242][T18785] Uninit was stored to memory at: [ 1147.184271][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1147.189994][T18785] __msan_chain_origin+0x50/0x90 [ 1147.195104][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1147.199704][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1147.204730][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1147.209579][T18785] do_syscall_64+0xb0/0x150 [ 1147.214082][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1147.219963][T18785] [ 1147.222280][T18785] Uninit was stored to memory at: [ 1147.227310][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1147.233120][T18785] __msan_chain_origin+0x50/0x90 [ 1147.238063][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1147.242655][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1147.247593][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1147.252442][T18785] do_syscall_64+0xb0/0x150 [ 1147.256977][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1147.262855][T18785] [ 1147.265191][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1147.271871][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1147.276314][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1147.447376][T18785] not chained 4640000 origins [ 1147.452095][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1147.460762][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1147.470817][T18785] Call Trace: [ 1147.474113][T18785] dump_stack+0x1df/0x240 [ 1147.478459][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1147.484180][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1147.489304][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1147.495202][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1147.500493][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1147.505695][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1147.511509][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1147.517864][T18785] ? kfree+0x61/0x30f0 [ 1147.521939][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1147.527050][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1147.533030][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1147.539105][T18785] ? _copy_from_user+0x15b/0x260 [ 1147.545090][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1147.550272][T18785] __msan_chain_origin+0x50/0x90 [ 1147.556172][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1147.560803][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1147.566094][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1147.571146][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1147.576170][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1147.582074][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1147.587027][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1147.591879][T18785] do_syscall_64+0xb0/0x150 [ 1147.596477][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1147.602364][T18785] RIP: 0033:0x45c1d9 [ 1147.606253][T18785] Code: Bad RIP value. [ 1147.610319][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1147.618747][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1147.626811][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1147.634781][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1147.642766][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1147.650741][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1147.658724][T18785] Uninit was stored to memory at: [ 1147.663760][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1147.669483][T18785] __msan_chain_origin+0x50/0x90 [ 1147.674419][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1147.679009][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1147.683949][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1147.688804][T18785] do_syscall_64+0xb0/0x150 [ 1147.693339][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1147.699224][T18785] [ 1147.701540][T18785] Uninit was stored to memory at: [ 1147.706568][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1147.712289][T18785] __msan_chain_origin+0x50/0x90 [ 1147.717235][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1147.721826][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1147.726803][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1147.731655][T18785] do_syscall_64+0xb0/0x150 [ 1147.736158][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1147.742036][T18785] [ 1147.744358][T18785] Uninit was stored to memory at: [ 1147.749385][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1147.755100][T18785] __msan_chain_origin+0x50/0x90 [ 1147.760043][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1147.764636][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1147.769590][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1147.774453][T18785] do_syscall_64+0xb0/0x150 [ 1147.778982][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1147.784866][T18785] [ 1147.787192][T18785] Uninit was stored to memory at: [ 1147.792220][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1147.797947][T18785] __msan_chain_origin+0x50/0x90 [ 1147.802888][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1147.807480][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1147.812416][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1147.817270][T18785] do_syscall_64+0xb0/0x150 [ 1147.821775][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1147.827659][T18785] [ 1147.829984][T18785] Uninit was stored to memory at: [ 1147.835016][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1147.840738][T18785] __msan_chain_origin+0x50/0x90 [ 1147.845678][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1147.850270][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1147.855213][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1147.860068][T18785] do_syscall_64+0xb0/0x150 [ 1147.864579][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1147.870458][T18785] [ 1147.872779][T18785] Uninit was stored to memory at: [ 1147.877806][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1147.883532][T18785] __msan_chain_origin+0x50/0x90 [ 1147.888473][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1147.893062][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1147.898005][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1147.902857][T18785] do_syscall_64+0xb0/0x150 [ 1147.907367][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1147.913243][T18785] [ 1147.915562][T18785] Uninit was stored to memory at: [ 1147.920594][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1147.926313][T18785] __msan_chain_origin+0x50/0x90 [ 1147.931246][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1147.935832][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1147.940788][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1147.945637][T18785] do_syscall_64+0xb0/0x150 [ 1147.950140][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1147.956024][T18785] [ 1147.958350][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1147.965118][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1147.969540][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1148.143217][T18785] not chained 4650000 origins [ 1148.147949][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1148.156614][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1148.166669][T18785] Call Trace: [ 1148.169970][T18785] dump_stack+0x1df/0x240 [ 1148.174309][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1148.180042][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1148.185158][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1148.191057][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1148.196346][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1148.201550][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1148.207360][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1148.213433][T18785] ? kfree+0x61/0x30f0 [ 1148.217509][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1148.222623][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1148.228174][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1148.234252][T18785] ? _copy_from_user+0x15b/0x260 [ 1148.239206][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1148.244321][T18785] __msan_chain_origin+0x50/0x90 [ 1148.249266][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1148.253893][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1148.259200][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1148.264286][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1148.269337][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1148.275768][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1148.280722][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1148.285579][T18785] do_syscall_64+0xb0/0x150 [ 1148.290185][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1148.296083][T18785] RIP: 0033:0x45c1d9 [ 1148.299968][T18785] Code: Bad RIP value. [ 1148.304049][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1148.312459][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1148.320434][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1148.328410][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1148.336381][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1148.344352][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1148.352330][T18785] Uninit was stored to memory at: [ 1148.357368][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1148.363087][T18785] __msan_chain_origin+0x50/0x90 [ 1148.368029][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1148.372614][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1148.377551][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1148.382436][T18785] do_syscall_64+0xb0/0x150 [ 1148.386940][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1148.392904][T18785] [ 1148.395223][T18785] Uninit was stored to memory at: [ 1148.400259][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1148.405978][T18785] __msan_chain_origin+0x50/0x90 [ 1148.410914][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1148.415502][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1148.420445][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1148.425299][T18785] do_syscall_64+0xb0/0x150 [ 1148.429891][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1148.435774][T18785] [ 1148.438107][T18785] Uninit was stored to memory at: [ 1148.443314][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1148.449031][T18785] __msan_chain_origin+0x50/0x90 [ 1148.453967][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1148.458559][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1148.463495][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1148.468346][T18785] do_syscall_64+0xb0/0x150 [ 1148.472850][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1148.478726][T18785] [ 1148.481063][T18785] Uninit was stored to memory at: [ 1148.486102][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1148.491839][T18785] __msan_chain_origin+0x50/0x90 [ 1148.496781][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1148.501370][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1148.506307][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1148.511156][T18785] do_syscall_64+0xb0/0x150 [ 1148.515836][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1148.521728][T18785] [ 1148.524052][T18785] Uninit was stored to memory at: [ 1148.529079][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1148.534795][T18785] __msan_chain_origin+0x50/0x90 [ 1148.539832][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1148.544438][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1148.549380][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1148.554230][T18785] do_syscall_64+0xb0/0x150 [ 1148.558744][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1148.564622][T18785] [ 1148.566940][T18785] Uninit was stored to memory at: [ 1148.571965][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1148.577687][T18785] __msan_chain_origin+0x50/0x90 [ 1148.582687][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1148.587279][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1148.592219][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1148.597219][T18785] do_syscall_64+0xb0/0x150 [ 1148.601732][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1148.607615][T18785] [ 1148.609936][T18785] Uninit was stored to memory at: [ 1148.614963][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1148.620690][T18785] __msan_chain_origin+0x50/0x90 [ 1148.625636][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1148.630225][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1148.635159][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1148.640043][T18785] do_syscall_64+0xb0/0x150 [ 1148.644554][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1148.650433][T18785] [ 1148.652754][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1148.659437][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1148.663860][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1148.830633][T18785] not chained 4660000 origins [ 1148.835354][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1148.844019][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1148.854072][T18785] Call Trace: [ 1148.857367][T18785] dump_stack+0x1df/0x240 [ 1148.861703][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1148.867424][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1148.872912][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1148.878810][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1148.884111][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1148.889317][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1148.895128][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1148.901196][T18785] ? kfree+0x61/0x30f0 [ 1148.905266][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1148.910383][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1148.916050][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1148.922123][T18785] ? _copy_from_user+0x15b/0x260 [ 1148.927062][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1148.932171][T18785] __msan_chain_origin+0x50/0x90 [ 1148.937115][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1148.941737][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1148.947032][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1148.952054][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1148.957079][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1148.962979][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1148.967926][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1148.972780][T18785] do_syscall_64+0xb0/0x150 [ 1148.977284][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1148.983170][T18785] RIP: 0033:0x45c1d9 [ 1148.987049][T18785] Code: Bad RIP value. [ 1148.991108][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1148.999524][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1149.007496][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1149.015555][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1149.023549][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1149.031533][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1149.039515][T18785] Uninit was stored to memory at: [ 1149.044545][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1149.050388][T18785] __msan_chain_origin+0x50/0x90 [ 1149.055442][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1149.060052][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1149.064997][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1149.069887][T18785] do_syscall_64+0xb0/0x150 [ 1149.074415][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1149.080299][T18785] [ 1149.082624][T18785] Uninit was stored to memory at: [ 1149.087746][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1149.093558][T18785] __msan_chain_origin+0x50/0x90 [ 1149.098524][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1149.103117][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1149.108057][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1149.112941][T18785] do_syscall_64+0xb0/0x150 [ 1149.117445][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1149.123321][T18785] [ 1149.125642][T18785] Uninit was stored to memory at: [ 1149.130697][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1149.136415][T18785] __msan_chain_origin+0x50/0x90 [ 1149.141355][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1149.145944][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1149.150880][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1149.155742][T18785] do_syscall_64+0xb0/0x150 [ 1149.160245][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1149.166123][T18785] [ 1149.168544][T18785] Uninit was stored to memory at: [ 1149.173583][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1149.179302][T18785] __msan_chain_origin+0x50/0x90 [ 1149.184238][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1149.188825][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1149.193849][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1149.198788][T18785] do_syscall_64+0xb0/0x150 [ 1149.203306][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1149.209184][T18785] [ 1149.211502][T18785] Uninit was stored to memory at: [ 1149.216526][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1149.222354][T18785] __msan_chain_origin+0x50/0x90 [ 1149.227328][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1149.231922][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1149.236854][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1149.241702][T18785] do_syscall_64+0xb0/0x150 [ 1149.246199][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1149.252076][T18785] [ 1149.254391][T18785] Uninit was stored to memory at: [ 1149.259414][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1149.265221][T18785] __msan_chain_origin+0x50/0x90 [ 1149.270171][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1149.274765][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1149.279710][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1149.286040][T18785] do_syscall_64+0xb0/0x150 [ 1149.290764][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1149.298205][T18785] [ 1149.300525][T18785] Uninit was stored to memory at: [ 1149.305556][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1149.311278][T18785] __msan_chain_origin+0x50/0x90 [ 1149.316218][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1149.320809][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1149.325743][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1149.330601][T18785] do_syscall_64+0xb0/0x150 [ 1149.335105][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1149.340992][T18785] [ 1149.343321][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1149.349995][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1149.354409][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1149.517057][T18785] not chained 4670000 origins [ 1149.521778][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1149.530443][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1149.540495][T18785] Call Trace: [ 1149.543792][T18785] dump_stack+0x1df/0x240 [ 1149.548132][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1149.553856][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1149.558969][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1149.564864][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1149.570162][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1149.575361][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1149.581256][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1149.587340][T18785] ? kfree+0x61/0x30f0 [ 1149.591416][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1149.596532][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1149.602082][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1149.608161][T18785] ? _copy_from_user+0x15b/0x260 [ 1149.613104][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1149.618214][T18785] __msan_chain_origin+0x50/0x90 [ 1149.623155][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1149.627803][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1149.633121][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1149.638210][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1149.643266][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1149.649172][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1149.654165][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1149.659311][T18785] do_syscall_64+0xb0/0x150 [ 1149.663827][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1149.669805][T18785] RIP: 0033:0x45c1d9 [ 1149.673708][T18785] Code: Bad RIP value. [ 1149.677776][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1149.686975][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1149.694953][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1149.702932][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1149.712468][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1149.720442][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1149.728572][T18785] Uninit was stored to memory at: [ 1149.733604][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1149.739324][T18785] __msan_chain_origin+0x50/0x90 [ 1149.744287][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1149.748882][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1149.753822][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1149.758670][T18785] do_syscall_64+0xb0/0x150 [ 1149.763176][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1149.769060][T18785] [ 1149.771379][T18785] Uninit was stored to memory at: [ 1149.776416][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1149.782138][T18785] __msan_chain_origin+0x50/0x90 [ 1149.787091][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1149.792123][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1149.797064][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1149.802010][T18785] do_syscall_64+0xb0/0x150 [ 1149.806515][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1149.812396][T18785] [ 1149.814809][T18785] Uninit was stored to memory at: [ 1149.819926][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1149.825825][T18785] __msan_chain_origin+0x50/0x90 [ 1149.830769][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1149.835357][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1149.840301][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1149.845154][T18785] do_syscall_64+0xb0/0x150 [ 1149.849666][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1149.855542][T18785] [ 1149.857865][T18785] Uninit was stored to memory at: [ 1149.862892][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1149.868611][T18785] __msan_chain_origin+0x50/0x90 [ 1149.873550][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1149.878142][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1149.883089][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1149.887941][T18785] do_syscall_64+0xb0/0x150 [ 1149.892790][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1149.898667][T18785] [ 1149.900996][T18785] Uninit was stored to memory at: [ 1149.906026][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1149.911743][T18785] __msan_chain_origin+0x50/0x90 [ 1149.916682][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1149.921272][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1149.926218][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1149.931076][T18785] do_syscall_64+0xb0/0x150 [ 1149.935932][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1149.941817][T18785] [ 1149.944399][T18785] Uninit was stored to memory at: [ 1149.949426][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1149.955141][T18785] __msan_chain_origin+0x50/0x90 [ 1149.960087][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1149.964677][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1149.969624][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1149.974572][T18785] do_syscall_64+0xb0/0x150 [ 1149.979088][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1149.984966][T18785] [ 1149.987287][T18785] Uninit was stored to memory at: [ 1149.992349][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1149.998081][T18785] __msan_chain_origin+0x50/0x90 [ 1150.003020][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1150.007609][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1150.012544][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1150.017515][T18785] do_syscall_64+0xb0/0x150 [ 1150.022017][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1150.027909][T18785] [ 1150.030233][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1150.037008][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1150.041522][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1150.206619][T18785] not chained 4680000 origins [ 1150.211340][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1150.220009][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1150.230061][T18785] Call Trace: [ 1150.233359][T18785] dump_stack+0x1df/0x240 [ 1150.237695][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1150.243419][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1150.248542][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1150.254442][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1150.259735][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1150.264940][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1150.270754][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1150.276823][T18785] ? kfree+0x61/0x30f0 [ 1150.280899][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1150.286361][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1150.291921][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1150.297997][T18785] ? _copy_from_user+0x15b/0x260 [ 1150.302937][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1150.308056][T18785] __msan_chain_origin+0x50/0x90 [ 1150.313009][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1150.317633][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1150.322923][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1150.327947][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1150.332976][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1150.338969][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1150.343920][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1150.348779][T18785] do_syscall_64+0xb0/0x150 [ 1150.353286][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1150.359174][T18785] RIP: 0033:0x45c1d9 [ 1150.363065][T18785] Code: Bad RIP value. [ 1150.367134][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1150.375563][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1150.383541][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1150.391514][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1150.399495][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1150.407471][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1150.415451][T18785] Uninit was stored to memory at: [ 1150.420483][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1150.426203][T18785] __msan_chain_origin+0x50/0x90 [ 1150.431144][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1150.435738][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1150.440678][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1150.445531][T18785] do_syscall_64+0xb0/0x150 [ 1150.450040][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1150.455926][T18785] [ 1150.458255][T18785] Uninit was stored to memory at: [ 1150.463370][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1150.469092][T18785] __msan_chain_origin+0x50/0x90 [ 1150.474029][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1150.478621][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1150.483561][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1150.488413][T18785] do_syscall_64+0xb0/0x150 [ 1150.492924][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1150.498806][T18785] [ 1150.501129][T18785] Uninit was stored to memory at: [ 1150.506154][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1150.511872][T18785] __msan_chain_origin+0x50/0x90 [ 1150.516809][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1150.521402][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1150.526339][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1150.531190][T18785] do_syscall_64+0xb0/0x150 [ 1150.535693][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1150.541574][T18785] [ 1150.543895][T18785] Uninit was stored to memory at: [ 1150.548924][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1150.554641][T18785] __msan_chain_origin+0x50/0x90 [ 1150.559583][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1150.564180][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1150.569121][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1150.573971][T18785] do_syscall_64+0xb0/0x150 [ 1150.578477][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1150.584357][T18785] [ 1150.586691][T18785] Uninit was stored to memory at: [ 1150.591806][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1150.597533][T18785] __msan_chain_origin+0x50/0x90 [ 1150.602481][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1150.607080][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1150.612020][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1150.616885][T18785] do_syscall_64+0xb0/0x150 [ 1150.621399][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1150.627279][T18785] [ 1150.629600][T18785] Uninit was stored to memory at: [ 1150.634626][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1150.640440][T18785] __msan_chain_origin+0x50/0x90 [ 1150.646162][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1150.650756][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1150.655690][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1150.660544][T18785] do_syscall_64+0xb0/0x150 [ 1150.665222][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1150.671100][T18785] [ 1150.673527][T18785] Uninit was stored to memory at: [ 1150.678563][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1150.684279][T18785] __msan_chain_origin+0x50/0x90 [ 1150.689330][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1150.693928][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1150.698865][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1150.703714][T18785] do_syscall_64+0xb0/0x150 [ 1150.708224][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1150.714100][T18785] [ 1150.716419][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1150.723094][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1150.727514][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1150.892047][T18785] not chained 4690000 origins [ 1150.896774][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1150.905437][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1150.915494][T18785] Call Trace: [ 1150.918800][T18785] dump_stack+0x1df/0x240 [ 1150.923150][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1150.928876][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1150.933985][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1150.939883][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1150.945170][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1150.950375][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1150.956270][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1150.962348][T18785] ? kfree+0x61/0x30f0 [ 1150.967122][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1150.972249][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1150.977804][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1150.984402][T18785] ? _copy_from_user+0x15b/0x260 [ 1150.989349][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1150.994551][T18785] __msan_chain_origin+0x50/0x90 [ 1150.999501][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1151.004135][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1151.009427][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1151.014452][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1151.019497][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1151.025401][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1151.030353][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1151.035215][T18785] do_syscall_64+0xb0/0x150 [ 1151.039727][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1151.045639][T18785] RIP: 0033:0x45c1d9 [ 1151.049528][T18785] Code: Bad RIP value. [ 1151.053587][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1151.062002][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1151.070934][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1151.078906][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1151.086898][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1151.094871][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1151.102853][T18785] Uninit was stored to memory at: [ 1151.107911][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1151.113628][T18785] __msan_chain_origin+0x50/0x90 [ 1151.118569][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1151.123332][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1151.128274][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1151.133127][T18785] do_syscall_64+0xb0/0x150 [ 1151.137637][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1151.143517][T18785] [ 1151.145839][T18785] Uninit was stored to memory at: [ 1151.150959][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1151.156678][T18785] __msan_chain_origin+0x50/0x90 [ 1151.161620][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1151.166205][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1151.171146][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1151.176087][T18785] do_syscall_64+0xb0/0x150 [ 1151.180593][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1151.186472][T18785] [ 1151.188793][T18785] Uninit was stored to memory at: [ 1151.193825][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1151.199549][T18785] __msan_chain_origin+0x50/0x90 [ 1151.204486][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1151.209089][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1151.214026][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1151.218882][T18785] do_syscall_64+0xb0/0x150 [ 1151.223385][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1151.229266][T18785] [ 1151.231583][T18785] Uninit was stored to memory at: [ 1151.236608][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1151.242336][T18785] __msan_chain_origin+0x50/0x90 [ 1151.247276][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1151.251864][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1151.256798][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1151.261651][T18785] do_syscall_64+0xb0/0x150 [ 1151.266158][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1151.272033][T18785] [ 1151.274352][T18785] Uninit was stored to memory at: [ 1151.279464][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1151.285183][T18785] __msan_chain_origin+0x50/0x90 [ 1151.290123][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1151.294714][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1151.299659][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1151.304515][T18785] do_syscall_64+0xb0/0x150 [ 1151.309025][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1151.314904][T18785] [ 1151.317225][T18785] Uninit was stored to memory at: [ 1151.322252][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1151.327973][T18785] __msan_chain_origin+0x50/0x90 [ 1151.332920][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1151.337596][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1151.342555][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1151.347406][T18785] do_syscall_64+0xb0/0x150 [ 1151.351908][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1151.357788][T18785] [ 1151.360108][T18785] Uninit was stored to memory at: [ 1151.365134][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1151.370855][T18785] __msan_chain_origin+0x50/0x90 [ 1151.375788][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1151.380463][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1151.386267][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1151.391119][T18785] do_syscall_64+0xb0/0x150 [ 1151.395623][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1151.401502][T18785] [ 1151.403823][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1151.410501][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1151.414918][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1151.578498][T18785] not chained 4700000 origins [ 1151.583223][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1151.591904][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1151.602182][T18785] Call Trace: [ 1151.605479][T18785] dump_stack+0x1df/0x240 [ 1151.610689][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1151.616412][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1151.621526][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1151.627426][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1151.632722][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1151.637921][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1151.643737][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1151.649817][T18785] ? kfree+0x61/0x30f0 [ 1151.653896][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1151.659016][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1151.664569][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1151.670657][T18785] ? _copy_from_user+0x15b/0x260 [ 1151.675610][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1151.680724][T18785] __msan_chain_origin+0x50/0x90 [ 1151.685666][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1151.690299][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1151.695587][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1151.700625][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1151.705650][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1151.711553][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1151.716503][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1151.721358][T18785] do_syscall_64+0xb0/0x150 [ 1151.725864][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1151.731750][T18785] RIP: 0033:0x45c1d9 [ 1151.735636][T18785] Code: Bad RIP value. [ 1151.739698][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1151.748114][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1151.759126][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1151.767102][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1151.775162][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1151.783138][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1151.791120][T18785] Uninit was stored to memory at: [ 1151.796150][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1151.802219][T18785] __msan_chain_origin+0x50/0x90 [ 1151.807171][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1151.811770][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1151.816713][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1151.821563][T18785] do_syscall_64+0xb0/0x150 [ 1151.826067][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1151.831948][T18785] [ 1151.834269][T18785] Uninit was stored to memory at: [ 1151.839296][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1151.845103][T18785] __msan_chain_origin+0x50/0x90 [ 1151.850042][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1151.854689][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1151.859636][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1151.864490][T18785] do_syscall_64+0xb0/0x150 [ 1151.869003][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1151.874882][T18785] [ 1151.877199][T18785] Uninit was stored to memory at: [ 1151.882226][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1151.887951][T18785] __msan_chain_origin+0x50/0x90 [ 1151.892892][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1151.897483][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1151.902438][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1151.907405][T18785] do_syscall_64+0xb0/0x150 [ 1151.911909][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1151.917788][T18785] [ 1151.920113][T18785] Uninit was stored to memory at: [ 1151.925144][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1151.930865][T18785] __msan_chain_origin+0x50/0x90 [ 1151.935832][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1151.940424][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1151.945361][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1151.950398][T18785] do_syscall_64+0xb0/0x150 [ 1151.954901][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1151.960785][T18785] [ 1151.963109][T18785] Uninit was stored to memory at: [ 1151.968142][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1151.973859][T18785] __msan_chain_origin+0x50/0x90 [ 1151.978800][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1151.983391][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1151.988351][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1151.993202][T18785] do_syscall_64+0xb0/0x150 [ 1151.997709][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1152.003590][T18785] [ 1152.005923][T18785] Uninit was stored to memory at: [ 1152.010949][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1152.016671][T18785] __msan_chain_origin+0x50/0x90 [ 1152.021608][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1152.026203][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1152.031138][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1152.035994][T18785] do_syscall_64+0xb0/0x150 [ 1152.040501][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1152.046383][T18785] [ 1152.048703][T18785] Uninit was stored to memory at: [ 1152.053727][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1152.059449][T18785] __msan_chain_origin+0x50/0x90 [ 1152.067863][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1152.072458][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1152.077398][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1152.082248][T18785] do_syscall_64+0xb0/0x150 [ 1152.086750][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1152.092632][T18785] [ 1152.094953][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1152.101637][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1152.106053][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1152.293082][T18785] not chained 4710000 origins [ 1152.297807][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1152.306479][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1152.316542][T18785] Call Trace: [ 1152.319841][T18785] dump_stack+0x1df/0x240 [ 1152.324179][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1152.329912][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1152.335024][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1152.340919][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1152.346204][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1152.351404][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1152.357215][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1152.363284][T18785] ? kfree+0x61/0x30f0 [ 1152.367358][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1152.372467][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1152.378189][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1152.384260][T18785] ? _copy_from_user+0x15b/0x260 [ 1152.389201][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1152.394313][T18785] __msan_chain_origin+0x50/0x90 [ 1152.399260][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1152.403883][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1152.409172][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1152.414200][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1152.419227][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1152.425126][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1152.430083][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1152.434937][T18785] do_syscall_64+0xb0/0x150 [ 1152.439501][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1152.445391][T18785] RIP: 0033:0x45c1d9 [ 1152.449284][T18785] Code: Bad RIP value. [ 1152.453345][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1152.461843][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1152.469816][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1152.477787][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1152.485755][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1152.493728][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1152.501708][T18785] Uninit was stored to memory at: [ 1152.506767][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1152.512489][T18785] __msan_chain_origin+0x50/0x90 [ 1152.517430][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1152.522018][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1152.526955][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1152.531807][T18785] do_syscall_64+0xb0/0x150 [ 1152.536312][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1152.542191][T18785] [ 1152.544508][T18785] Uninit was stored to memory at: [ 1152.549546][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1152.555262][T18785] __msan_chain_origin+0x50/0x90 [ 1152.560202][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1152.564789][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1152.569766][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1152.574619][T18785] do_syscall_64+0xb0/0x150 [ 1152.579129][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1152.585009][T18785] [ 1152.587329][T18785] Uninit was stored to memory at: [ 1152.592360][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1152.598093][T18785] __msan_chain_origin+0x50/0x90 [ 1152.603031][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1152.607636][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1152.612662][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1152.617513][T18785] do_syscall_64+0xb0/0x150 [ 1152.622022][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1152.627917][T18785] [ 1152.630243][T18785] Uninit was stored to memory at: [ 1152.635465][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1152.641213][T18785] __msan_chain_origin+0x50/0x90 [ 1152.646161][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1152.651121][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1152.656058][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1152.660911][T18785] do_syscall_64+0xb0/0x150 [ 1152.665414][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1152.671321][T18785] [ 1152.673642][T18785] Uninit was stored to memory at: [ 1152.679190][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1152.685007][T18785] __msan_chain_origin+0x50/0x90 [ 1152.689950][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1152.694551][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1152.699493][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1152.704347][T18785] do_syscall_64+0xb0/0x150 [ 1152.708859][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1152.714740][T18785] [ 1152.717062][T18785] Uninit was stored to memory at: [ 1152.722181][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1152.727903][T18785] __msan_chain_origin+0x50/0x90 [ 1152.732850][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1152.737444][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1152.742382][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1152.747238][T18785] do_syscall_64+0xb0/0x150 [ 1152.751755][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1152.757639][T18785] [ 1152.760049][T18785] Uninit was stored to memory at: [ 1152.765348][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1152.771198][T18785] __msan_chain_origin+0x50/0x90 [ 1152.776143][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1152.780732][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1152.785672][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1152.790533][T18785] do_syscall_64+0xb0/0x150 [ 1152.795047][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1152.800927][T18785] [ 1152.803276][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1152.809964][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1152.814713][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1153.035910][T18785] not chained 4720000 origins [ 1153.040631][T18785] CPU: 1 PID: 18785 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1153.049299][T18785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1153.059363][T18785] Call Trace: [ 1153.062661][T18785] dump_stack+0x1df/0x240 [ 1153.067001][T18785] kmsan_internal_chain_origin+0x6f/0x130 [ 1153.072730][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1153.078040][T18785] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1153.083937][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1153.091927][T18785] ? kmsan_get_metadata+0x11d/0x180 [ 1153.097129][T18785] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1153.102938][T18785] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1153.109051][T18785] ? kfree+0x61/0x30f0 [ 1153.113123][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1153.118236][T18785] ? kmsan_set_origin_checked+0x95/0xf0 [ 1153.123788][T18785] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1153.129864][T18785] ? _copy_from_user+0x15b/0x260 [ 1153.134804][T18785] ? kmsan_get_metadata+0x4f/0x180 [ 1153.140012][T18785] __msan_chain_origin+0x50/0x90 [ 1153.144953][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1153.149585][T18785] ? __msan_poison_alloca+0xf0/0x120 [ 1153.154870][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1153.159902][T18785] ? __se_sys_recvmmsg+0xac/0x350 [ 1153.164927][T18785] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1153.170827][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1153.175951][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1153.180810][T18785] do_syscall_64+0xb0/0x150 [ 1153.185329][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1153.191226][T18785] RIP: 0033:0x45c1d9 [ 1153.195107][T18785] Code: Bad RIP value. [ 1153.199170][T18785] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1153.207585][T18785] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1153.215733][T18785] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1153.223702][T18785] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1153.231678][T18785] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1153.239753][T18785] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1153.247738][T18785] Uninit was stored to memory at: [ 1153.252769][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1153.258490][T18785] __msan_chain_origin+0x50/0x90 [ 1153.263429][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1153.268017][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1153.272954][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1153.277811][T18785] do_syscall_64+0xb0/0x150 [ 1153.282326][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1153.288204][T18785] [ 1153.290525][T18785] Uninit was stored to memory at: [ 1153.295549][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1153.301354][T18785] __msan_chain_origin+0x50/0x90 [ 1153.306293][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1153.310881][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1153.315816][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1153.320669][T18785] do_syscall_64+0xb0/0x150 [ 1153.325173][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1153.331051][T18785] [ 1153.333374][T18785] Uninit was stored to memory at: [ 1153.338435][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1153.345024][T18785] __msan_chain_origin+0x50/0x90 [ 1153.349964][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1153.354555][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1153.359497][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1153.364347][T18785] do_syscall_64+0xb0/0x150 [ 1153.368851][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1153.374731][T18785] [ 1153.377050][T18785] Uninit was stored to memory at: [ 1153.382085][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1153.387806][T18785] __msan_chain_origin+0x50/0x90 [ 1153.392750][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1153.397343][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1153.402285][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1153.407133][T18785] do_syscall_64+0xb0/0x150 [ 1153.411637][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1153.417514][T18785] [ 1153.419832][T18785] Uninit was stored to memory at: [ 1153.424856][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1153.430571][T18785] __msan_chain_origin+0x50/0x90 [ 1153.435507][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1153.440201][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1153.445138][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1153.449992][T18785] do_syscall_64+0xb0/0x150 [ 1153.454495][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1153.460373][T18785] [ 1153.462693][T18785] Uninit was stored to memory at: [ 1153.467728][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1153.473966][T18785] __msan_chain_origin+0x50/0x90 [ 1153.478912][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1153.483502][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1153.488490][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1153.493345][T18785] do_syscall_64+0xb0/0x150 [ 1153.497877][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1153.503757][T18785] [ 1153.506078][T18785] Uninit was stored to memory at: [ 1153.511120][T18785] kmsan_internal_chain_origin+0xad/0x130 [ 1153.516838][T18785] __msan_chain_origin+0x50/0x90 [ 1153.521779][T18785] do_recvmmsg+0x105a/0x1ee0 [ 1153.526369][T18785] __se_sys_recvmmsg+0x1d1/0x350 [ 1153.531306][T18785] __x64_sys_recvmmsg+0x62/0x80 [ 1153.536153][T18785] do_syscall_64+0xb0/0x150 [ 1153.540655][T18785] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1153.546535][T18785] [ 1153.548943][T18785] Local variable ----msg_sys@do_recvmmsg created at: [ 1153.555626][T18785] do_recvmmsg+0xc5/0x1ee0 [ 1153.560047][T18785] do_recvmmsg+0xc5/0x1ee0 15:35:23 executing program 3: prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) socket$key(0xf, 0x3, 0x2) r1 = socket(0x10, 0x80002, 0x0) bind$netlink(r1, &(0x7f0000177ff4)={0x10, 0x0, 0x1}, 0xc) write(r1, &(0x7f0000000140)="2600000022004701050000000000000005006d20002b1f000a4a51f1ee839cd53400b017ca5b", 0x26) connect$netlink(r1, &(0x7f00000014c0)=@proc={0x10, 0x0, 0x1}, 0xc) setsockopt$sock_int(r1, 0x1, 0x8, &(0x7f0000b4bffc), 0xfd49) sendto(r1, 0x0, 0x0, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000000780), 0x3ffffffffffff81, 0x2, 0x0) 15:35:23 executing program 2: r0 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(r0, 0xc01864ba, &(0x7f0000000040)={0x2, 0x16, 0x21}) 15:35:23 executing program 5: pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r2, 0x6, 0x10000000013, &(0x7f0000000180)=0x1, 0x233) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000040)={0x0, 0x2710}, 0x10) setsockopt$SO_BINDTODEVICE(r2, 0x1, 0x19, &(0x7f0000000300)='sit0\x00', 0x10) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @loopback}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r2, 0x6, 0x1d, &(0x7f0000000100)={0x0, 0xdf5, 0x21f6}, 0x14) write$binfmt_misc(r1, &(0x7f0000000340)=ANY=[], 0xff01) splice(r0, 0x0, r2, 0x0, 0x0, 0x0) 15:35:23 executing program 1: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) r1 = gettid() sendmsg$nl_netfilter(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000000701940000001b00000000000f060008000100", @ANYRES32=r1], 0x1c}}, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) gettid() sendmsg$nl_netfilter(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[], 0x1c}}, 0x0) 15:35:23 executing program 0: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x202, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000040)={0x0, 0x18, 0xfa00, {0x0, 0x0, 0x0, 0x6}}, 0x20) ioctl$SNDCTL_DSP_SYNC(r0, 0x5001, 0x0) ioctl$SNDCTL_DSP_SYNC(r0, 0x5001, 0x0) 15:35:23 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) 15:35:23 executing program 2: r0 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(r0, 0xc01864ba, &(0x7f0000000040)={0x2, 0x16, 0x21}) 15:35:23 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={0x0, 0x110}}, 0x0) 15:35:23 executing program 1: r0 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000080)='/dev/video1\x00', 0x2, 0x0) poll(&(0x7f00000001c0)=[{r0, 0x40cd}], 0x1, 0xffffc761) 15:35:23 executing program 5: 15:35:23 executing program 2: ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(0xffffffffffffffff, 0xc01864ba, &(0x7f0000000040)={0x2, 0x16, 0x21}) 15:35:24 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={0x0, 0x110}}, 0x0) [ 1154.819517][T18840] not chained 4730000 origins [ 1154.824248][T18840] CPU: 0 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1154.833000][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1154.843047][T18840] Call Trace: [ 1154.846334][T18840] dump_stack+0x1df/0x240 [ 1154.850754][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1154.856551][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1154.861653][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1154.867559][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1154.872856][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1154.878075][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1154.883880][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1154.889937][T18840] ? kfree+0x61/0x30f0 [ 1154.894001][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1154.899106][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1154.904644][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1154.910707][T18840] ? _copy_from_user+0x15b/0x260 [ 1154.915641][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1154.920749][T18840] __msan_chain_origin+0x50/0x90 [ 1154.925680][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1154.930288][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1154.935568][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1154.940581][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1154.945591][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1154.951481][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1154.956418][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1154.961275][T18840] do_syscall_64+0xb0/0x150 [ 1154.965772][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1154.971651][T18840] RIP: 0033:0x45c1d9 [ 1154.975527][T18840] Code: Bad RIP value. [ 1154.979576][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1154.988059][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1154.996019][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1155.004004][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1155.011978][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1155.019936][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1155.027906][T18840] Uninit was stored to memory at: [ 1155.032925][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1155.038654][T18840] __msan_chain_origin+0x50/0x90 [ 1155.043576][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1155.048152][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1155.053075][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1155.057914][T18840] do_syscall_64+0xb0/0x150 [ 1155.062402][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1155.068269][T18840] [ 1155.070576][T18840] Uninit was stored to memory at: [ 1155.075587][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1155.081293][T18840] __msan_chain_origin+0x50/0x90 [ 1155.086222][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1155.090799][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1155.095722][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1155.100566][T18840] do_syscall_64+0xb0/0x150 [ 1155.105060][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1155.110935][T18840] [ 1155.113247][T18840] Uninit was stored to memory at: [ 1155.118276][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1155.123979][T18840] __msan_chain_origin+0x50/0x90 [ 1155.128906][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1155.133481][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1155.138420][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1155.143401][T18840] do_syscall_64+0xb0/0x150 [ 1155.147905][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1155.153780][T18840] [ 1155.156095][T18840] Uninit was stored to memory at: [ 1155.161111][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1155.166908][T18840] __msan_chain_origin+0x50/0x90 [ 1155.171835][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1155.176414][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1155.181335][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1155.186178][T18840] do_syscall_64+0xb0/0x150 [ 1155.190687][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1155.196560][T18840] [ 1155.198871][T18840] Uninit was stored to memory at: [ 1155.203881][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1155.209588][T18840] __msan_chain_origin+0x50/0x90 [ 1155.214513][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1155.219179][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1155.224104][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1155.228942][T18840] do_syscall_64+0xb0/0x150 [ 1155.233437][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1155.239322][T18840] [ 1155.241634][T18840] Uninit was stored to memory at: [ 1155.246646][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1155.252351][T18840] __msan_chain_origin+0x50/0x90 [ 1155.257276][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1155.261854][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1155.266865][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1155.271704][T18840] do_syscall_64+0xb0/0x150 [ 1155.276200][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1155.282072][T18840] [ 1155.284389][T18840] Uninit was stored to memory at: [ 1155.289405][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1155.295110][T18840] __msan_chain_origin+0x50/0x90 [ 1155.300037][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1155.304614][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1155.309536][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1155.314375][T18840] do_syscall_64+0xb0/0x150 [ 1155.318881][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1155.324753][T18840] [ 1155.327155][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1155.333813][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1155.338933][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1155.657483][T18840] not chained 4740000 origins [ 1155.662210][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1155.670893][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1155.680954][T18840] Call Trace: [ 1155.684261][T18840] dump_stack+0x1df/0x240 [ 1155.688613][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1155.694346][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1155.699477][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1155.705390][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1155.710700][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1155.716005][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1155.721834][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1155.727912][T18840] ? kfree+0x61/0x30f0 [ 1155.732008][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1155.737127][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1155.742697][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1155.748781][T18840] ? _copy_from_user+0x15b/0x260 [ 1155.753884][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1155.759014][T18840] __msan_chain_origin+0x50/0x90 [ 1155.763969][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1155.768733][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1155.774047][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1155.779094][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1155.784135][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1155.790049][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1155.795007][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1155.799919][T18840] do_syscall_64+0xb0/0x150 [ 1155.804607][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1155.810510][T18840] RIP: 0033:0x45c1d9 [ 1155.814400][T18840] Code: Bad RIP value. [ 1155.818471][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1155.826891][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1155.834972][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1155.842952][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1155.850934][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1155.858919][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1155.866913][T18840] Uninit was stored to memory at: [ 1155.872038][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1155.877772][T18840] __msan_chain_origin+0x50/0x90 [ 1155.882734][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1155.887338][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1155.892287][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1155.897158][T18840] do_syscall_64+0xb0/0x150 [ 1155.901702][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1155.907600][T18840] [ 1155.909922][T18840] Uninit was stored to memory at: [ 1155.914962][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1155.920668][T18840] __msan_chain_origin+0x50/0x90 [ 1155.925594][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1155.930174][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1155.935100][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1155.939941][T18840] do_syscall_64+0xb0/0x150 [ 1155.944521][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1155.950388][T18840] [ 1155.952709][T18840] Uninit was stored to memory at: [ 1155.957731][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1155.963434][T18840] __msan_chain_origin+0x50/0x90 [ 1155.968356][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1155.972933][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1155.977859][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1155.982696][T18840] do_syscall_64+0xb0/0x150 [ 1155.987192][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1155.993063][T18840] [ 1155.995377][T18840] Uninit was stored to memory at: [ 1156.000389][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1156.006115][T18840] __msan_chain_origin+0x50/0x90 [ 1156.011052][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1156.015628][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1156.020550][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1156.025388][T18840] do_syscall_64+0xb0/0x150 [ 1156.029877][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1156.035747][T18840] [ 1156.038059][T18840] Uninit was stored to memory at: [ 1156.043069][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1156.048776][T18840] __msan_chain_origin+0x50/0x90 [ 1156.053698][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1156.058279][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1156.063202][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1156.068039][T18840] do_syscall_64+0xb0/0x150 [ 1156.072530][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1156.078403][T18840] [ 1156.080734][T18840] Uninit was stored to memory at: [ 1156.085749][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1156.091456][T18840] __msan_chain_origin+0x50/0x90 [ 1156.096400][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1156.100978][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1156.105903][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1156.110747][T18840] do_syscall_64+0xb0/0x150 [ 1156.115241][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1156.121112][T18840] [ 1156.123428][T18840] Uninit was stored to memory at: [ 1156.128443][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1156.134521][T18840] __msan_chain_origin+0x50/0x90 [ 1156.139447][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1156.144025][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1156.148950][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1156.153786][T18840] do_syscall_64+0xb0/0x150 [ 1156.158280][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1156.164158][T18840] [ 1156.166472][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1156.173134][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1156.177552][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1156.481260][T18840] not chained 4750000 origins [ 1156.485985][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1156.494649][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1156.504704][T18840] Call Trace: [ 1156.508047][T18840] dump_stack+0x1df/0x240 [ 1156.512371][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1156.518126][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1156.523232][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1156.529113][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1156.534388][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1156.539593][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1156.545389][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1156.551443][T18840] ? kfree+0x61/0x30f0 [ 1156.555503][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1156.560617][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1156.566154][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1156.572215][T18840] ? _copy_from_user+0x15b/0x260 [ 1156.577150][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1156.582266][T18840] __msan_chain_origin+0x50/0x90 [ 1156.587199][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1156.591808][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1156.597128][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1156.602155][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1156.607177][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1156.613094][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1156.618029][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1156.622874][T18840] do_syscall_64+0xb0/0x150 [ 1156.627434][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1156.633318][T18840] RIP: 0033:0x45c1d9 [ 1156.637195][T18840] Code: Bad RIP value. [ 1156.641244][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1156.649641][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1156.657728][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1156.665701][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1156.673788][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1156.681758][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1156.690016][T18840] Uninit was stored to memory at: [ 1156.695032][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1156.700739][T18840] __msan_chain_origin+0x50/0x90 [ 1156.705665][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1156.710243][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1156.715167][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1156.720008][T18840] do_syscall_64+0xb0/0x150 [ 1156.724501][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1156.730402][T18840] [ 1156.732721][T18840] Uninit was stored to memory at: [ 1156.737741][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1156.743447][T18840] __msan_chain_origin+0x50/0x90 [ 1156.748392][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1156.752967][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1156.757891][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1156.762732][T18840] do_syscall_64+0xb0/0x150 [ 1156.767230][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1156.773099][T18840] [ 1156.775408][T18840] Uninit was stored to memory at: [ 1156.780417][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1156.786120][T18840] __msan_chain_origin+0x50/0x90 [ 1156.792174][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1156.796751][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1156.801698][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1156.806533][T18840] do_syscall_64+0xb0/0x150 [ 1156.811025][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1156.817021][T18840] [ 1156.819537][T18840] Uninit was stored to memory at: [ 1156.824563][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1156.830279][T18840] __msan_chain_origin+0x50/0x90 [ 1156.835206][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1156.839785][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1156.844726][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1156.849564][T18840] do_syscall_64+0xb0/0x150 [ 1156.854057][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1156.859926][T18840] [ 1156.862236][T18840] Uninit was stored to memory at: [ 1156.867251][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1156.872967][T18840] __msan_chain_origin+0x50/0x90 [ 1156.877891][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1156.882466][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1156.887391][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1156.892228][T18840] do_syscall_64+0xb0/0x150 [ 1156.896721][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1156.902604][T18840] [ 1156.904940][T18840] Uninit was stored to memory at: [ 1156.909962][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1156.915677][T18840] __msan_chain_origin+0x50/0x90 [ 1156.920603][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1156.925181][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1156.930105][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1156.935032][T18840] do_syscall_64+0xb0/0x150 [ 1156.939524][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1156.945397][T18840] [ 1156.947709][T18840] Uninit was stored to memory at: [ 1156.952724][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1156.958451][T18840] __msan_chain_origin+0x50/0x90 [ 1156.963375][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1156.967952][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1156.972876][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1156.977714][T18840] do_syscall_64+0xb0/0x150 [ 1156.982225][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1156.988100][T18840] [ 1156.990414][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1156.997856][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1157.002262][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1157.381476][T18840] not chained 4760000 origins [ 1157.386463][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1157.395131][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1157.405187][T18840] Call Trace: [ 1157.408490][T18840] dump_stack+0x1df/0x240 [ 1157.412827][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1157.418548][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1157.423672][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1157.429584][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1157.434874][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1157.440083][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1157.445892][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1157.451967][T18840] ? kfree+0x61/0x30f0 [ 1157.456042][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1157.463594][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1157.469153][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1157.475225][T18840] ? _copy_from_user+0x15b/0x260 [ 1157.480166][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1157.485279][T18840] __msan_chain_origin+0x50/0x90 [ 1157.490223][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1157.494848][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1157.500161][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1157.505184][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1157.510208][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1157.516194][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1157.521145][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1157.526000][T18840] do_syscall_64+0xb0/0x150 [ 1157.530513][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1157.536403][T18840] RIP: 0033:0x45c1d9 [ 1157.540293][T18840] Code: Bad RIP value. [ 1157.544352][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1157.552762][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1157.560738][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1157.568798][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1157.576767][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1157.584738][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1157.592717][T18840] Uninit was stored to memory at: [ 1157.597747][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1157.603467][T18840] __msan_chain_origin+0x50/0x90 [ 1157.608403][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1157.612988][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1157.617926][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1157.622782][T18840] do_syscall_64+0xb0/0x150 [ 1157.627292][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1157.633174][T18840] [ 1157.635494][T18840] Uninit was stored to memory at: [ 1157.640552][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1157.646275][T18840] __msan_chain_origin+0x50/0x90 [ 1157.651363][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1157.655959][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1157.661164][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1157.666018][T18840] do_syscall_64+0xb0/0x150 [ 1157.670526][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1157.676409][T18840] [ 1157.678734][T18840] Uninit was stored to memory at: [ 1157.683850][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1157.690007][T18840] __msan_chain_origin+0x50/0x90 [ 1157.695033][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1157.699624][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1157.704561][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1157.709417][T18840] do_syscall_64+0xb0/0x150 [ 1157.713922][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1157.719821][T18840] [ 1157.722142][T18840] Uninit was stored to memory at: [ 1157.727170][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1157.732978][T18840] __msan_chain_origin+0x50/0x90 [ 1157.737919][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1157.742513][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1157.747456][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1157.752315][T18840] do_syscall_64+0xb0/0x150 [ 1157.756819][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1157.762700][T18840] [ 1157.765016][T18840] Uninit was stored to memory at: [ 1157.770040][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1157.775758][T18840] __msan_chain_origin+0x50/0x90 [ 1157.780708][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1157.785305][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1157.790245][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1157.795098][T18840] do_syscall_64+0xb0/0x150 [ 1157.799611][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1157.805495][T18840] [ 1157.807812][T18840] Uninit was stored to memory at: [ 1157.812848][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1157.818575][T18840] __msan_chain_origin+0x50/0x90 [ 1157.823524][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1157.828118][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1157.833056][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1157.837910][T18840] do_syscall_64+0xb0/0x150 [ 1157.842414][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1157.848296][T18840] [ 1157.850620][T18840] Uninit was stored to memory at: [ 1157.855646][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1157.861364][T18840] __msan_chain_origin+0x50/0x90 [ 1157.866304][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1157.870895][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1157.875829][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1157.880683][T18840] do_syscall_64+0xb0/0x150 [ 1157.885186][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1157.891066][T18840] [ 1157.893390][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1157.900072][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1157.904487][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1158.074643][T18840] not chained 4770000 origins [ 1158.079362][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1158.088038][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1158.098090][T18840] Call Trace: [ 1158.101383][T18840] dump_stack+0x1df/0x240 [ 1158.105721][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1158.111445][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1158.116562][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1158.122458][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1158.127747][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1158.132949][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1158.138760][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1158.144834][T18840] ? kfree+0x61/0x30f0 [ 1158.149009][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1158.154122][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1158.159673][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1158.165748][T18840] ? _copy_from_user+0x15b/0x260 [ 1158.170687][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1158.175800][T18840] __msan_chain_origin+0x50/0x90 [ 1158.180746][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1158.185368][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1158.190664][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1158.195693][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1158.200760][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1158.206661][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1158.211616][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1158.216473][T18840] do_syscall_64+0xb0/0x150 [ 1158.220985][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1158.226876][T18840] RIP: 0033:0x45c1d9 [ 1158.230758][T18840] Code: Bad RIP value. [ 1158.234818][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1158.243227][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1158.251200][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1158.259173][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1158.267169][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1158.275150][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1158.283130][T18840] Uninit was stored to memory at: [ 1158.288164][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1158.293887][T18840] __msan_chain_origin+0x50/0x90 [ 1158.298831][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1158.303418][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1158.308359][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1158.313228][T18840] do_syscall_64+0xb0/0x150 [ 1158.317733][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1158.323619][T18840] [ 1158.325938][T18840] Uninit was stored to memory at: [ 1158.330973][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1158.336722][T18840] __msan_chain_origin+0x50/0x90 [ 1158.341662][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1158.346247][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1158.351182][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1158.356047][T18840] do_syscall_64+0xb0/0x150 [ 1158.360650][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1158.366537][T18840] [ 1158.368859][T18840] Uninit was stored to memory at: [ 1158.373894][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1158.379637][T18840] __msan_chain_origin+0x50/0x90 [ 1158.384576][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1158.389179][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1158.394134][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1158.399080][T18840] do_syscall_64+0xb0/0x150 [ 1158.403586][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1158.409469][T18840] [ 1158.411789][T18840] Uninit was stored to memory at: [ 1158.416819][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1158.422541][T18840] __msan_chain_origin+0x50/0x90 [ 1158.427479][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1158.432072][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1158.437014][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1158.441868][T18840] do_syscall_64+0xb0/0x150 [ 1158.446376][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1158.452256][T18840] [ 1158.454578][T18840] Uninit was stored to memory at: [ 1158.459607][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1158.465850][T18840] __msan_chain_origin+0x50/0x90 [ 1158.470791][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1158.475380][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1158.480319][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1158.485254][T18840] do_syscall_64+0xb0/0x150 [ 1158.489759][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1158.495672][T18840] [ 1158.497998][T18840] Uninit was stored to memory at: [ 1158.503032][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1158.508756][T18840] __msan_chain_origin+0x50/0x90 [ 1158.513779][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1158.518377][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1158.523317][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1158.528182][T18840] do_syscall_64+0xb0/0x150 [ 1158.532707][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1158.538587][T18840] [ 1158.540912][T18840] Uninit was stored to memory at: [ 1158.545940][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1158.551665][T18840] __msan_chain_origin+0x50/0x90 [ 1158.556615][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1158.561208][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1158.566146][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1158.571001][T18840] do_syscall_64+0xb0/0x150 [ 1158.575503][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1158.581380][T18840] [ 1158.583703][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1158.590400][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1158.594821][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1158.767180][T18840] not chained 4780000 origins [ 1158.771905][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1158.782178][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1158.792244][T18840] Call Trace: [ 1158.795589][T18840] dump_stack+0x1df/0x240 [ 1158.799950][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1158.805765][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1158.810890][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1158.816794][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1158.822093][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1158.827304][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1158.833118][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1158.839189][T18840] ? kfree+0x61/0x30f0 [ 1158.843269][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1158.848400][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1158.853957][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1158.860037][T18840] ? _copy_from_user+0x15b/0x260 [ 1158.864980][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1158.870103][T18840] __msan_chain_origin+0x50/0x90 [ 1158.875045][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1158.879673][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1158.884966][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1158.890013][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1158.895046][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1158.901048][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1158.905998][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1158.910866][T18840] do_syscall_64+0xb0/0x150 [ 1158.915380][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1158.921269][T18840] RIP: 0033:0x45c1d9 [ 1158.925155][T18840] Code: Bad RIP value. [ 1158.929218][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1158.937630][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1158.945601][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1158.953573][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1158.961545][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1158.969518][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1158.977936][T18840] Uninit was stored to memory at: [ 1158.983069][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1158.988792][T18840] __msan_chain_origin+0x50/0x90 [ 1158.993730][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1158.998322][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1159.003259][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1159.008118][T18840] do_syscall_64+0xb0/0x150 [ 1159.012625][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1159.018677][T18840] [ 1159.020996][T18840] Uninit was stored to memory at: [ 1159.026020][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1159.031742][T18840] __msan_chain_origin+0x50/0x90 [ 1159.036682][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1159.041276][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1159.046209][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1159.051062][T18840] do_syscall_64+0xb0/0x150 [ 1159.055562][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1159.061439][T18840] [ 1159.063761][T18840] Uninit was stored to memory at: [ 1159.068787][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1159.074505][T18840] __msan_chain_origin+0x50/0x90 [ 1159.079445][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1159.084036][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1159.088997][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1159.093851][T18840] do_syscall_64+0xb0/0x150 [ 1159.098359][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1159.104242][T18840] [ 1159.106568][T18840] Uninit was stored to memory at: [ 1159.111595][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1159.117312][T18840] __msan_chain_origin+0x50/0x90 [ 1159.122290][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1159.126884][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1159.131821][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1159.136670][T18840] do_syscall_64+0xb0/0x150 [ 1159.141176][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1159.147055][T18840] [ 1159.149371][T18840] Uninit was stored to memory at: [ 1159.154439][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1159.160166][T18840] __msan_chain_origin+0x50/0x90 [ 1159.165103][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1159.169709][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1159.174648][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1159.179499][T18840] do_syscall_64+0xb0/0x150 [ 1159.184003][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1159.189887][T18840] [ 1159.192208][T18840] Uninit was stored to memory at: [ 1159.197234][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1159.202953][T18840] __msan_chain_origin+0x50/0x90 [ 1159.207894][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1159.212482][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1159.217420][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1159.222268][T18840] do_syscall_64+0xb0/0x150 [ 1159.226786][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1159.232664][T18840] [ 1159.234980][T18840] Uninit was stored to memory at: [ 1159.240008][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1159.245723][T18840] __msan_chain_origin+0x50/0x90 [ 1159.250662][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1159.255260][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1159.260205][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1159.265054][T18840] do_syscall_64+0xb0/0x150 [ 1159.269588][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1159.275467][T18840] [ 1159.277787][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1159.284464][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1159.288888][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1159.460901][T18840] not chained 4790000 origins [ 1159.465627][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1159.474304][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1159.484361][T18840] Call Trace: [ 1159.487660][T18840] dump_stack+0x1df/0x240 [ 1159.492004][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1159.497728][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1159.502848][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1159.508748][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1159.514040][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1159.519245][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1159.525054][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1159.531124][T18840] ? kfree+0x61/0x30f0 [ 1159.535196][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1159.540920][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1159.546470][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1159.552547][T18840] ? _copy_from_user+0x15b/0x260 [ 1159.557486][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1159.562600][T18840] __msan_chain_origin+0x50/0x90 [ 1159.567543][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1159.572171][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1159.581460][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1159.586488][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1159.591522][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1159.597422][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1159.602371][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1159.607225][T18840] do_syscall_64+0xb0/0x150 [ 1159.611754][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1159.617664][T18840] RIP: 0033:0x45c1d9 [ 1159.621552][T18840] Code: Bad RIP value. [ 1159.625623][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1159.634057][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1159.642034][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1159.650010][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1159.657986][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1159.665962][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1159.673946][T18840] Uninit was stored to memory at: [ 1159.678978][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1159.684701][T18840] __msan_chain_origin+0x50/0x90 [ 1159.689647][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1159.694238][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1159.699350][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1159.704207][T18840] do_syscall_64+0xb0/0x150 [ 1159.708716][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1159.714597][T18840] [ 1159.716919][T18840] Uninit was stored to memory at: [ 1159.721948][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1159.727671][T18840] __msan_chain_origin+0x50/0x90 [ 1159.732608][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1159.737201][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1159.742139][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1159.746996][T18840] do_syscall_64+0xb0/0x150 [ 1159.751502][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1159.757558][T18840] [ 1159.759877][T18840] Uninit was stored to memory at: [ 1159.764906][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1159.770628][T18840] __msan_chain_origin+0x50/0x90 [ 1159.775566][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1159.780167][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1159.785111][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1159.789969][T18840] do_syscall_64+0xb0/0x150 [ 1159.794477][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1159.800360][T18840] [ 1159.802685][T18840] Uninit was stored to memory at: [ 1159.807714][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1159.813430][T18840] __msan_chain_origin+0x50/0x90 [ 1159.818369][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1159.822971][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1159.827917][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1159.832792][T18840] do_syscall_64+0xb0/0x150 [ 1159.837299][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1159.843181][T18840] [ 1159.845504][T18840] Uninit was stored to memory at: [ 1159.850532][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1159.856248][T18840] __msan_chain_origin+0x50/0x90 [ 1159.861187][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1159.865779][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1159.870723][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1159.875604][T18840] do_syscall_64+0xb0/0x150 [ 1159.880140][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1159.886019][T18840] [ 1159.888347][T18840] Uninit was stored to memory at: [ 1159.893375][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1159.899095][T18840] __msan_chain_origin+0x50/0x90 [ 1159.904037][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1159.908632][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1159.913569][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1159.918430][T18840] do_syscall_64+0xb0/0x150 [ 1159.922935][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1159.928815][T18840] [ 1159.931138][T18840] Uninit was stored to memory at: [ 1159.936173][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1159.941895][T18840] __msan_chain_origin+0x50/0x90 [ 1159.946837][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1159.951429][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1159.956366][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1159.961220][T18840] do_syscall_64+0xb0/0x150 [ 1159.965721][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1159.971599][T18840] [ 1159.973919][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1159.980600][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1159.985018][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1160.153776][T18840] not chained 4800000 origins [ 1160.158495][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1160.167596][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1160.177644][T18840] Call Trace: [ 1160.180939][T18840] dump_stack+0x1df/0x240 [ 1160.185279][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1160.190999][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1160.196118][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1160.202025][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1160.207324][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1160.212527][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1160.218340][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1160.224414][T18840] ? kfree+0x61/0x30f0 [ 1160.228491][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1160.233604][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1160.239166][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1160.245247][T18840] ? _copy_from_user+0x15b/0x260 [ 1160.250192][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1160.255305][T18840] __msan_chain_origin+0x50/0x90 [ 1160.260254][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1160.264881][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1160.270173][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1160.275196][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1160.280226][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1160.286126][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1160.291085][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1160.295937][T18840] do_syscall_64+0xb0/0x150 [ 1160.300448][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1160.306426][T18840] RIP: 0033:0x45c1d9 [ 1160.310309][T18840] Code: Bad RIP value. [ 1160.314366][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1160.322841][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1160.330812][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1160.338785][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1160.346761][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1160.354731][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1160.362714][T18840] Uninit was stored to memory at: [ 1160.367751][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1160.373467][T18840] __msan_chain_origin+0x50/0x90 [ 1160.378495][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1160.383086][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1160.388025][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1160.392881][T18840] do_syscall_64+0xb0/0x150 [ 1160.397388][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1160.404311][T18840] [ 1160.406634][T18840] Uninit was stored to memory at: [ 1160.411658][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1160.417466][T18840] __msan_chain_origin+0x50/0x90 [ 1160.422403][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1160.426996][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1160.431945][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1160.436892][T18840] do_syscall_64+0xb0/0x150 [ 1160.441395][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1160.447273][T18840] [ 1160.449591][T18840] Uninit was stored to memory at: [ 1160.454873][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1160.460697][T18840] __msan_chain_origin+0x50/0x90 [ 1160.465662][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1160.470253][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1160.475187][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1160.480044][T18840] do_syscall_64+0xb0/0x150 [ 1160.484579][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1160.490633][T18840] [ 1160.492954][T18840] Uninit was stored to memory at: [ 1160.498077][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1160.503843][T18840] __msan_chain_origin+0x50/0x90 [ 1160.508783][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1160.513375][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1160.518314][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1160.523167][T18840] do_syscall_64+0xb0/0x150 [ 1160.527674][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1160.533552][T18840] [ 1160.535869][T18840] Uninit was stored to memory at: [ 1160.540898][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1160.546618][T18840] __msan_chain_origin+0x50/0x90 [ 1160.551555][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1160.556145][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1160.561100][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1160.565951][T18840] do_syscall_64+0xb0/0x150 [ 1160.570457][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1160.576334][T18840] [ 1160.578649][T18840] Uninit was stored to memory at: [ 1160.583676][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1160.589392][T18840] __msan_chain_origin+0x50/0x90 [ 1160.594327][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1160.598925][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1160.603865][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1160.608774][T18840] do_syscall_64+0xb0/0x150 [ 1160.613297][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1160.619178][T18840] [ 1160.621496][T18840] Uninit was stored to memory at: [ 1160.626522][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1160.632237][T18840] __msan_chain_origin+0x50/0x90 [ 1160.637265][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1160.641854][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1160.646792][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1160.651653][T18840] do_syscall_64+0xb0/0x150 [ 1160.656154][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1160.662989][T18840] [ 1160.665312][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1160.672003][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1160.676416][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1160.846063][T18840] not chained 4810000 origins [ 1160.850792][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1160.859459][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1160.869513][T18840] Call Trace: [ 1160.872813][T18840] dump_stack+0x1df/0x240 [ 1160.877155][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1160.882876][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1160.887996][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1160.893903][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1160.899208][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1160.904410][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1160.910220][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1160.916286][T18840] ? kfree+0x61/0x30f0 [ 1160.920360][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1160.925474][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1160.931024][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1160.937102][T18840] ? _copy_from_user+0x15b/0x260 [ 1160.942048][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1160.947176][T18840] __msan_chain_origin+0x50/0x90 [ 1160.952179][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1160.956808][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1160.962100][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1160.967142][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1160.972170][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1160.978085][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1160.983043][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1160.988188][T18840] do_syscall_64+0xb0/0x150 [ 1160.992700][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1160.998592][T18840] RIP: 0033:0x45c1d9 [ 1161.002474][T18840] Code: Bad RIP value. [ 1161.006534][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1161.014942][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1161.022915][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1161.030887][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1161.038859][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1161.046836][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1161.054820][T18840] Uninit was stored to memory at: [ 1161.059856][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1161.065578][T18840] __msan_chain_origin+0x50/0x90 [ 1161.070522][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1161.075906][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1161.080851][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1161.085708][T18840] do_syscall_64+0xb0/0x150 [ 1161.090220][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1161.096226][T18840] [ 1161.098543][T18840] Uninit was stored to memory at: [ 1161.103570][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1161.109301][T18840] __msan_chain_origin+0x50/0x90 [ 1161.114263][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1161.118855][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1161.123791][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1161.128645][T18840] do_syscall_64+0xb0/0x150 [ 1161.133152][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1161.139041][T18840] [ 1161.141379][T18840] Uninit was stored to memory at: [ 1161.146407][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1161.152140][T18840] __msan_chain_origin+0x50/0x90 [ 1161.157084][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1161.161677][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1161.166614][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1161.171467][T18840] do_syscall_64+0xb0/0x150 [ 1161.176081][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1161.181964][T18840] [ 1161.184284][T18840] Uninit was stored to memory at: [ 1161.189350][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1161.195081][T18840] __msan_chain_origin+0x50/0x90 [ 1161.200109][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1161.204722][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1161.209659][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1161.214512][T18840] do_syscall_64+0xb0/0x150 [ 1161.219025][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1161.224906][T18840] [ 1161.227234][T18840] Uninit was stored to memory at: [ 1161.232265][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1161.237983][T18840] __msan_chain_origin+0x50/0x90 [ 1161.242918][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1161.247509][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1161.252447][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1161.257307][T18840] do_syscall_64+0xb0/0x150 [ 1161.261910][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1161.267790][T18840] [ 1161.270109][T18840] Uninit was stored to memory at: [ 1161.275143][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1161.280959][T18840] __msan_chain_origin+0x50/0x90 [ 1161.285894][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1161.290506][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1161.295454][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1161.300350][T18840] do_syscall_64+0xb0/0x150 [ 1161.305206][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1161.311087][T18840] [ 1161.313407][T18840] Uninit was stored to memory at: [ 1161.318433][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1161.324159][T18840] __msan_chain_origin+0x50/0x90 [ 1161.329101][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1161.333689][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1161.338628][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1161.343481][T18840] do_syscall_64+0xb0/0x150 [ 1161.347992][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1161.353876][T18840] [ 1161.356198][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1161.362961][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1161.367383][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1161.541094][T18840] not chained 4820000 origins [ 1161.545901][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1161.554571][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1161.564628][T18840] Call Trace: [ 1161.570620][T18840] dump_stack+0x1df/0x240 [ 1161.574962][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1161.580685][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1161.585807][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1161.591827][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1161.597131][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1161.602432][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1161.608260][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1161.614459][T18840] ? kfree+0x61/0x30f0 [ 1161.618538][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1161.623911][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1161.629473][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1161.635645][T18840] ? _copy_from_user+0x15b/0x260 [ 1161.640593][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1161.645810][T18840] __msan_chain_origin+0x50/0x90 [ 1161.650764][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1161.655398][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1161.660700][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1161.665730][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1161.670773][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1161.676673][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1161.681626][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1161.686485][T18840] do_syscall_64+0xb0/0x150 [ 1161.690997][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1161.696888][T18840] RIP: 0033:0x45c1d9 [ 1161.700774][T18840] Code: Bad RIP value. [ 1161.704833][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1161.713244][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1161.721221][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1161.729194][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1161.737174][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1161.745153][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1161.753134][T18840] Uninit was stored to memory at: [ 1161.758228][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1161.763949][T18840] __msan_chain_origin+0x50/0x90 [ 1161.768897][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1161.773498][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1161.778444][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1161.783388][T18840] do_syscall_64+0xb0/0x150 [ 1161.787897][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1161.793777][T18840] [ 1161.796097][T18840] Uninit was stored to memory at: [ 1161.801133][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1161.806858][T18840] __msan_chain_origin+0x50/0x90 [ 1161.811801][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1161.816404][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1161.821353][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1161.826205][T18840] do_syscall_64+0xb0/0x150 [ 1161.830718][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1161.836601][T18840] [ 1161.838923][T18840] Uninit was stored to memory at: [ 1161.843950][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1161.849672][T18840] __msan_chain_origin+0x50/0x90 [ 1161.854614][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1161.859209][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1161.864159][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1161.869013][T18840] do_syscall_64+0xb0/0x150 [ 1161.873517][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1161.879394][T18840] [ 1161.881713][T18840] Uninit was stored to memory at: [ 1161.886751][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1161.892474][T18840] __msan_chain_origin+0x50/0x90 [ 1161.897417][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1161.902094][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1161.907121][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1161.911981][T18840] do_syscall_64+0xb0/0x150 [ 1161.916486][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1161.922389][T18840] [ 1161.924716][T18840] Uninit was stored to memory at: [ 1161.929750][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1161.935470][T18840] __msan_chain_origin+0x50/0x90 [ 1161.940407][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1161.944997][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1161.949936][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1161.954786][T18840] do_syscall_64+0xb0/0x150 [ 1161.959303][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1161.965186][T18840] [ 1161.967504][T18840] Uninit was stored to memory at: [ 1161.972542][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1161.978352][T18840] __msan_chain_origin+0x50/0x90 [ 1161.983301][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1161.987918][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1161.992859][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1161.997716][T18840] do_syscall_64+0xb0/0x150 [ 1162.002223][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1162.008110][T18840] [ 1162.010430][T18840] Uninit was stored to memory at: [ 1162.015467][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1162.021188][T18840] __msan_chain_origin+0x50/0x90 [ 1162.026138][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1162.030744][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1162.035680][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1162.040538][T18840] do_syscall_64+0xb0/0x150 [ 1162.045055][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1162.050938][T18840] [ 1162.053257][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1162.059935][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1162.064352][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1162.234245][T18840] not chained 4830000 origins [ 1162.238963][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1162.247630][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1162.257685][T18840] Call Trace: [ 1162.260981][T18840] dump_stack+0x1df/0x240 [ 1162.265319][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1162.271038][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1162.276153][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1162.282064][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1162.287366][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1162.292564][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1162.298377][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1162.304446][T18840] ? kfree+0x61/0x30f0 [ 1162.308521][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1162.313634][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1162.319294][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1162.325373][T18840] ? _copy_from_user+0x15b/0x260 [ 1162.330316][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1162.335429][T18840] __msan_chain_origin+0x50/0x90 [ 1162.340378][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1162.345003][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1162.350293][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1162.355316][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1162.360342][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1162.366239][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1162.371187][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1162.376084][T18840] do_syscall_64+0xb0/0x150 [ 1162.380604][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1162.386494][T18840] RIP: 0033:0x45c1d9 [ 1162.390464][T18840] Code: Bad RIP value. [ 1162.394521][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1162.403027][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1162.411003][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1162.418978][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1162.426955][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1162.434952][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1162.442963][T18840] Uninit was stored to memory at: [ 1162.448011][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1162.453734][T18840] __msan_chain_origin+0x50/0x90 [ 1162.458702][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1162.463307][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1162.468255][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1162.473139][T18840] do_syscall_64+0xb0/0x150 [ 1162.477650][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1162.483531][T18840] [ 1162.485851][T18840] Uninit was stored to memory at: [ 1162.491317][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1162.497476][T18840] __msan_chain_origin+0x50/0x90 [ 1162.502423][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1162.507017][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1162.512001][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1162.516853][T18840] do_syscall_64+0xb0/0x150 [ 1162.521359][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1162.527242][T18840] [ 1162.529560][T18840] Uninit was stored to memory at: [ 1162.534583][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1162.541086][T18840] __msan_chain_origin+0x50/0x90 [ 1162.546145][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1162.551346][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1162.556370][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1162.561313][T18840] do_syscall_64+0xb0/0x150 [ 1162.565832][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1162.571718][T18840] [ 1162.574044][T18840] Uninit was stored to memory at: [ 1162.579121][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1162.584849][T18840] __msan_chain_origin+0x50/0x90 [ 1162.589887][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1162.594491][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1162.599436][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1162.604295][T18840] do_syscall_64+0xb0/0x150 [ 1162.608830][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1162.614707][T18840] [ 1162.617026][T18840] Uninit was stored to memory at: [ 1162.622055][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1162.627781][T18840] __msan_chain_origin+0x50/0x90 [ 1162.632718][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1162.637316][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1162.643582][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1162.648436][T18840] do_syscall_64+0xb0/0x150 [ 1162.652943][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1162.658833][T18840] [ 1162.661156][T18840] Uninit was stored to memory at: [ 1162.666184][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1162.671902][T18840] __msan_chain_origin+0x50/0x90 [ 1162.676841][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1162.681437][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1162.686371][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1162.691241][T18840] do_syscall_64+0xb0/0x150 [ 1162.695754][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1162.701632][T18840] [ 1162.703949][T18840] Uninit was stored to memory at: [ 1162.708972][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1162.714684][T18840] __msan_chain_origin+0x50/0x90 [ 1162.719630][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1162.724255][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1162.729201][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1162.734048][T18840] do_syscall_64+0xb0/0x150 [ 1162.738556][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1162.744437][T18840] [ 1162.746761][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1162.753567][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1162.757992][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1162.927805][T18840] not chained 4840000 origins [ 1162.932537][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1162.941206][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1162.951292][T18840] Call Trace: [ 1162.954596][T18840] dump_stack+0x1df/0x240 [ 1162.958937][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1162.964664][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1162.969788][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1162.975685][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1162.980982][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1162.986183][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1162.991998][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1162.998716][T18840] ? kfree+0x61/0x30f0 [ 1163.004193][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1163.009341][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1163.014890][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1163.020966][T18840] ? _copy_from_user+0x15b/0x260 [ 1163.025915][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1163.031029][T18840] __msan_chain_origin+0x50/0x90 [ 1163.035972][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1163.040596][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1163.045886][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1163.050911][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1163.055940][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1163.061847][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1163.066894][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1163.071750][T18840] do_syscall_64+0xb0/0x150 [ 1163.076261][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1163.082150][T18840] RIP: 0033:0x45c1d9 [ 1163.086032][T18840] Code: Bad RIP value. [ 1163.090093][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1163.098504][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1163.107009][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1163.114995][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1163.122967][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1163.131083][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1163.139066][T18840] Uninit was stored to memory at: [ 1163.144098][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1163.150978][T18840] __msan_chain_origin+0x50/0x90 [ 1163.156006][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1163.160602][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1163.165584][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1163.171138][T18840] do_syscall_64+0xb0/0x150 [ 1163.175907][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1163.181790][T18840] [ 1163.184110][T18840] Uninit was stored to memory at: [ 1163.189172][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1163.194890][T18840] __msan_chain_origin+0x50/0x90 [ 1163.199833][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1163.204428][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1163.209365][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1163.214220][T18840] do_syscall_64+0xb0/0x150 [ 1163.218730][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1163.224706][T18840] [ 1163.227029][T18840] Uninit was stored to memory at: [ 1163.232667][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1163.238646][T18840] __msan_chain_origin+0x50/0x90 [ 1163.243860][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1163.248454][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1163.253392][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1163.258248][T18840] do_syscall_64+0xb0/0x150 [ 1163.262758][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1163.268640][T18840] [ 1163.270959][T18840] Uninit was stored to memory at: [ 1163.275985][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1163.281707][T18840] __msan_chain_origin+0x50/0x90 [ 1163.286680][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1163.291456][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1163.296492][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1163.301430][T18840] do_syscall_64+0xb0/0x150 [ 1163.305933][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1163.311814][T18840] [ 1163.314132][T18840] Uninit was stored to memory at: [ 1163.319160][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1163.324880][T18840] __msan_chain_origin+0x50/0x90 [ 1163.329821][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1163.334410][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1163.339350][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1163.344199][T18840] do_syscall_64+0xb0/0x150 [ 1163.348712][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1163.355117][T18840] [ 1163.357445][T18840] Uninit was stored to memory at: [ 1163.362506][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1163.368238][T18840] __msan_chain_origin+0x50/0x90 [ 1163.373177][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1163.377771][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1163.382708][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1163.387564][T18840] do_syscall_64+0xb0/0x150 [ 1163.392068][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1163.397948][T18840] [ 1163.400276][T18840] Uninit was stored to memory at: [ 1163.405303][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1163.411108][T18840] __msan_chain_origin+0x50/0x90 [ 1163.416050][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1163.420644][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1163.425582][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1163.430439][T18840] do_syscall_64+0xb0/0x150 [ 1163.434940][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1163.440919][T18840] [ 1163.443238][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1163.449910][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1163.454325][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1163.626446][T18840] not chained 4850000 origins [ 1163.631250][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1163.639926][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1163.650165][T18840] Call Trace: [ 1163.653477][T18840] dump_stack+0x1df/0x240 [ 1163.657828][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1163.663554][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1163.668669][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1163.674570][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1163.679868][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1163.685075][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1163.690889][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1163.696958][T18840] ? kfree+0x61/0x30f0 [ 1163.701044][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1163.706161][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1163.711715][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1163.717789][T18840] ? _copy_from_user+0x15b/0x260 [ 1163.722730][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1163.727858][T18840] __msan_chain_origin+0x50/0x90 [ 1163.732801][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1163.737426][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1163.742773][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1163.748149][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1163.753179][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1163.759170][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1163.764203][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1163.769080][T18840] do_syscall_64+0xb0/0x150 [ 1163.773588][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1163.779625][T18840] RIP: 0033:0x45c1d9 [ 1163.783516][T18840] Code: Bad RIP value. [ 1163.787580][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1163.795992][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1163.804054][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1163.812027][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1163.820089][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1163.828293][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1163.836284][T18840] Uninit was stored to memory at: [ 1163.841926][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1163.847650][T18840] __msan_chain_origin+0x50/0x90 [ 1163.852587][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1163.857177][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1163.862205][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1163.867060][T18840] do_syscall_64+0xb0/0x150 [ 1163.871827][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1163.877708][T18840] [ 1163.880032][T18840] Uninit was stored to memory at: [ 1163.885058][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1163.890866][T18840] __msan_chain_origin+0x50/0x90 [ 1163.895858][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1163.900456][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1163.905411][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1163.910311][T18840] do_syscall_64+0xb0/0x150 [ 1163.914813][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1163.920702][T18840] [ 1163.923021][T18840] Uninit was stored to memory at: [ 1163.928049][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1163.933766][T18840] __msan_chain_origin+0x50/0x90 [ 1163.938710][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1163.943388][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1163.948329][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1163.953180][T18840] do_syscall_64+0xb0/0x150 [ 1163.957861][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1163.963743][T18840] [ 1163.966069][T18840] Uninit was stored to memory at: [ 1163.971102][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1163.976959][T18840] __msan_chain_origin+0x50/0x90 [ 1163.981902][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1163.986494][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1163.991430][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1163.996281][T18840] do_syscall_64+0xb0/0x150 [ 1164.000788][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1164.006667][T18840] [ 1164.008988][T18840] Uninit was stored to memory at: [ 1164.014018][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1164.019752][T18840] __msan_chain_origin+0x50/0x90 [ 1164.024696][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1164.029320][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1164.034334][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1164.039190][T18840] do_syscall_64+0xb0/0x150 [ 1164.043703][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1164.049588][T18840] [ 1164.051910][T18840] Uninit was stored to memory at: [ 1164.056945][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1164.062668][T18840] __msan_chain_origin+0x50/0x90 [ 1164.067605][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1164.072270][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1164.077207][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1164.082063][T18840] do_syscall_64+0xb0/0x150 [ 1164.086656][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1164.092542][T18840] [ 1164.095845][T18840] Uninit was stored to memory at: [ 1164.100873][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1164.106601][T18840] __msan_chain_origin+0x50/0x90 [ 1164.111540][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1164.116135][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1164.121168][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1164.126048][T18840] do_syscall_64+0xb0/0x150 [ 1164.130556][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1164.136438][T18840] [ 1164.138758][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1164.145434][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1164.149854][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1164.321859][T18840] not chained 4860000 origins [ 1164.326663][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1164.335424][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1164.345483][T18840] Call Trace: [ 1164.348789][T18840] dump_stack+0x1df/0x240 [ 1164.353392][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1164.359154][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1164.364273][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1164.370182][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1164.375645][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1164.380857][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1164.386680][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1164.392752][T18840] ? kfree+0x61/0x30f0 [ 1164.396831][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1164.401945][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1164.407495][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1164.413569][T18840] ? _copy_from_user+0x15b/0x260 [ 1164.418515][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1164.423638][T18840] __msan_chain_origin+0x50/0x90 [ 1164.428582][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1164.433298][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1164.438592][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1164.443627][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1164.448912][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1164.454811][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1164.459793][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1164.464647][T18840] do_syscall_64+0xb0/0x150 [ 1164.469244][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1164.475130][T18840] RIP: 0033:0x45c1d9 [ 1164.479011][T18840] Code: Bad RIP value. [ 1164.483072][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1164.491852][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1164.499908][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1164.507877][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1164.515851][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1164.523825][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1164.531805][T18840] Uninit was stored to memory at: [ 1164.536836][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1164.542559][T18840] __msan_chain_origin+0x50/0x90 [ 1164.547499][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1164.552089][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1164.557117][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1164.561966][T18840] do_syscall_64+0xb0/0x150 [ 1164.566503][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1164.572379][T18840] [ 1164.574696][T18840] Uninit was stored to memory at: [ 1164.579722][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1164.585438][T18840] __msan_chain_origin+0x50/0x90 [ 1164.590374][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1164.594968][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1164.599923][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1164.604775][T18840] do_syscall_64+0xb0/0x150 [ 1164.609286][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1164.615167][T18840] [ 1164.617488][T18840] Uninit was stored to memory at: [ 1164.622603][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1164.628323][T18840] __msan_chain_origin+0x50/0x90 [ 1164.633271][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1164.637876][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1164.642829][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1164.647806][T18840] do_syscall_64+0xb0/0x150 [ 1164.652311][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1164.658285][T18840] [ 1164.660691][T18840] Uninit was stored to memory at: [ 1164.665720][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1164.671527][T18840] __msan_chain_origin+0x50/0x90 [ 1164.676467][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1164.681082][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1164.686022][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1164.690873][T18840] do_syscall_64+0xb0/0x150 [ 1164.695375][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1164.701256][T18840] [ 1164.703575][T18840] Uninit was stored to memory at: [ 1164.708604][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1164.714327][T18840] __msan_chain_origin+0x50/0x90 [ 1164.719280][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1164.723868][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1164.728898][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1164.733750][T18840] do_syscall_64+0xb0/0x150 [ 1164.738342][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1164.744237][T18840] [ 1164.746559][T18840] Uninit was stored to memory at: [ 1164.751585][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1164.757307][T18840] __msan_chain_origin+0x50/0x90 [ 1164.762244][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1164.766835][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1164.771773][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1164.776641][T18840] do_syscall_64+0xb0/0x150 [ 1164.781148][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1164.787026][T18840] [ 1164.789346][T18840] Uninit was stored to memory at: [ 1164.794489][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1164.800239][T18840] __msan_chain_origin+0x50/0x90 [ 1164.805181][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1164.809773][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1164.814712][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1164.819566][T18840] do_syscall_64+0xb0/0x150 [ 1164.824073][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1164.829952][T18840] [ 1164.832273][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1164.838953][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1164.843372][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1165.015211][T18840] not chained 4870000 origins [ 1165.019939][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1165.028874][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1165.041016][T18840] Call Trace: [ 1165.044333][T18840] dump_stack+0x1df/0x240 [ 1165.048675][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1165.054410][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1165.059525][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1165.065447][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1165.070746][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1165.075949][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1165.081779][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1165.087853][T18840] ? kfree+0x61/0x30f0 [ 1165.091932][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1165.097045][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1165.102600][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1165.108680][T18840] ? _copy_from_user+0x15b/0x260 [ 1165.113616][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1165.118732][T18840] __msan_chain_origin+0x50/0x90 [ 1165.123676][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1165.128299][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1165.133586][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1165.138613][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1165.143649][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1165.149549][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1165.154496][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1165.159358][T18840] do_syscall_64+0xb0/0x150 [ 1165.163901][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1165.169800][T18840] RIP: 0033:0x45c1d9 [ 1165.174725][T18840] Code: Bad RIP value. [ 1165.178796][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1165.187207][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1165.195177][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1165.203157][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1165.211127][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1165.219360][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1165.227338][T18840] Uninit was stored to memory at: [ 1165.232397][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1165.238114][T18840] __msan_chain_origin+0x50/0x90 [ 1165.243053][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1165.247649][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1165.252584][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1165.257445][T18840] do_syscall_64+0xb0/0x150 [ 1165.261946][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1165.268435][T18840] [ 1165.270754][T18840] Uninit was stored to memory at: [ 1165.275777][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1165.281584][T18840] __msan_chain_origin+0x50/0x90 [ 1165.286607][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1165.291204][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1165.296138][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1165.301006][T18840] do_syscall_64+0xb0/0x150 [ 1165.305530][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1165.311531][T18840] [ 1165.313851][T18840] Uninit was stored to memory at: [ 1165.318882][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1165.324604][T18840] __msan_chain_origin+0x50/0x90 [ 1165.329544][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1165.334133][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1165.339071][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1165.343922][T18840] do_syscall_64+0xb0/0x150 [ 1165.348424][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1165.354307][T18840] [ 1165.356624][T18840] Uninit was stored to memory at: [ 1165.361659][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1165.367375][T18840] __msan_chain_origin+0x50/0x90 [ 1165.373266][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1165.377855][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1165.382879][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1165.387758][T18840] do_syscall_64+0xb0/0x150 [ 1165.392263][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1165.398144][T18840] [ 1165.400465][T18840] Uninit was stored to memory at: [ 1165.405495][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1165.411211][T18840] __msan_chain_origin+0x50/0x90 [ 1165.416143][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1165.420736][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1165.425676][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1165.430551][T18840] do_syscall_64+0xb0/0x150 [ 1165.435055][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1165.440935][T18840] [ 1165.443255][T18840] Uninit was stored to memory at: [ 1165.448285][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1165.454085][T18840] __msan_chain_origin+0x50/0x90 [ 1165.459024][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1165.463621][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1165.468567][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1165.473429][T18840] do_syscall_64+0xb0/0x150 [ 1165.477935][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1165.483813][T18840] [ 1165.486132][T18840] Uninit was stored to memory at: [ 1165.491162][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1165.496880][T18840] __msan_chain_origin+0x50/0x90 [ 1165.501818][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1165.506408][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1165.511345][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1165.516282][T18840] do_syscall_64+0xb0/0x150 [ 1165.520786][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1165.526752][T18840] [ 1165.529073][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1165.535748][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1165.540164][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1165.711917][T18840] not chained 4880000 origins [ 1165.716644][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1165.725310][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1165.735451][T18840] Call Trace: [ 1165.738753][T18840] dump_stack+0x1df/0x240 [ 1165.743107][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1165.748927][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1165.754039][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1165.759939][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1165.765232][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1165.770433][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1165.776247][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1165.782322][T18840] ? kfree+0x61/0x30f0 [ 1165.786495][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1165.791627][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1165.797218][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1165.803294][T18840] ? _copy_from_user+0x15b/0x260 [ 1165.808237][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1165.813458][T18840] __msan_chain_origin+0x50/0x90 [ 1165.818421][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1165.823054][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1165.828382][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1165.833410][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1165.838443][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1165.844777][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1165.849770][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1165.854629][T18840] do_syscall_64+0xb0/0x150 [ 1165.859231][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1165.865121][T18840] RIP: 0033:0x45c1d9 [ 1165.869003][T18840] Code: Bad RIP value. [ 1165.873063][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1165.881476][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1165.889451][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1165.898555][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1165.906526][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1165.914505][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1165.922853][T18840] Uninit was stored to memory at: [ 1165.927882][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1165.933605][T18840] __msan_chain_origin+0x50/0x90 [ 1165.938547][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1165.943141][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1165.948077][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1165.952927][T18840] do_syscall_64+0xb0/0x150 [ 1165.957431][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1165.963309][T18840] [ 1165.965626][T18840] Uninit was stored to memory at: [ 1165.970652][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1165.976367][T18840] __msan_chain_origin+0x50/0x90 [ 1165.981525][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1165.986125][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1165.991068][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1165.995935][T18840] do_syscall_64+0xb0/0x150 [ 1166.000450][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1166.006331][T18840] [ 1166.008655][T18840] Uninit was stored to memory at: [ 1166.013721][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1166.019447][T18840] __msan_chain_origin+0x50/0x90 [ 1166.024391][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1166.028983][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1166.033927][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1166.038790][T18840] do_syscall_64+0xb0/0x150 [ 1166.043310][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1166.049195][T18840] [ 1166.051533][T18840] Uninit was stored to memory at: [ 1166.056562][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1166.062290][T18840] __msan_chain_origin+0x50/0x90 [ 1166.067374][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1166.071973][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1166.076916][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1166.081779][T18840] do_syscall_64+0xb0/0x150 [ 1166.086317][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1166.092195][T18840] [ 1166.094524][T18840] Uninit was stored to memory at: [ 1166.099571][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1166.105296][T18840] __msan_chain_origin+0x50/0x90 [ 1166.110241][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1166.114830][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1166.119778][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1166.124646][T18840] do_syscall_64+0xb0/0x150 [ 1166.129164][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1166.135046][T18840] [ 1166.137370][T18840] Uninit was stored to memory at: [ 1166.142395][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1166.148120][T18840] __msan_chain_origin+0x50/0x90 [ 1166.153061][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1166.157652][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1166.162591][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1166.167441][T18840] do_syscall_64+0xb0/0x150 [ 1166.171944][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1166.177820][T18840] [ 1166.180141][T18840] Uninit was stored to memory at: [ 1166.185169][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1166.190887][T18840] __msan_chain_origin+0x50/0x90 [ 1166.195913][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1166.200512][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1166.205451][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1166.210312][T18840] do_syscall_64+0xb0/0x150 [ 1166.214816][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1166.220698][T18840] [ 1166.223023][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1166.229700][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1166.234116][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1166.406748][T18840] not chained 4890000 origins [ 1166.411481][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1166.420149][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1166.430202][T18840] Call Trace: [ 1166.433502][T18840] dump_stack+0x1df/0x240 [ 1166.437848][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1166.443570][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1166.448686][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1166.454586][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1166.459883][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1166.465085][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1166.470901][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1166.476977][T18840] ? kfree+0x61/0x30f0 [ 1166.481067][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1166.486183][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1166.491741][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1166.497820][T18840] ? _copy_from_user+0x15b/0x260 [ 1166.502762][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1166.507875][T18840] __msan_chain_origin+0x50/0x90 [ 1166.512823][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1166.517454][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1166.522835][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1166.527861][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1166.532892][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1166.538801][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1166.543761][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1166.548618][T18840] do_syscall_64+0xb0/0x150 [ 1166.553129][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1166.559023][T18840] RIP: 0033:0x45c1d9 [ 1166.562933][T18840] Code: Bad RIP value. [ 1166.566995][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1166.575404][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1166.583385][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1166.591365][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1166.599346][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1166.607330][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1166.615318][T18840] Uninit was stored to memory at: [ 1166.620358][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1166.626088][T18840] __msan_chain_origin+0x50/0x90 [ 1166.631030][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1166.635626][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1166.640572][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1166.645424][T18840] do_syscall_64+0xb0/0x150 [ 1166.649927][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1166.655805][T18840] [ 1166.658126][T18840] Uninit was stored to memory at: [ 1166.663157][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1166.668880][T18840] __msan_chain_origin+0x50/0x90 [ 1166.673817][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1166.678412][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1166.683353][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1166.688219][T18840] do_syscall_64+0xb0/0x150 [ 1166.692733][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1166.698625][T18840] [ 1166.700948][T18840] Uninit was stored to memory at: [ 1166.705974][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1166.711699][T18840] __msan_chain_origin+0x50/0x90 [ 1166.716646][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1166.721245][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1166.726188][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1166.731038][T18840] do_syscall_64+0xb0/0x150 [ 1166.735540][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1166.741422][T18840] [ 1166.743745][T18840] Uninit was stored to memory at: [ 1166.748772][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1166.754576][T18840] __msan_chain_origin+0x50/0x90 [ 1166.759514][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1166.764116][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1166.769066][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1166.773933][T18840] do_syscall_64+0xb0/0x150 [ 1166.778463][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1166.784357][T18840] [ 1166.786679][T18840] Uninit was stored to memory at: [ 1166.791777][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1166.797518][T18840] __msan_chain_origin+0x50/0x90 [ 1166.802465][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1166.807073][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1166.812012][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1166.816870][T18840] do_syscall_64+0xb0/0x150 [ 1166.821377][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1166.827257][T18840] [ 1166.829581][T18840] Uninit was stored to memory at: [ 1166.834608][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1166.840433][T18840] __msan_chain_origin+0x50/0x90 [ 1166.845373][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1166.849968][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1166.854904][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1166.859759][T18840] do_syscall_64+0xb0/0x150 [ 1166.864273][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1166.870153][T18840] [ 1166.872473][T18840] Uninit was stored to memory at: [ 1166.877501][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1166.883224][T18840] __msan_chain_origin+0x50/0x90 [ 1166.888166][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1166.892774][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1166.897733][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1166.902591][T18840] do_syscall_64+0xb0/0x150 [ 1166.907138][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1166.913019][T18840] [ 1166.915340][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1166.922022][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1166.926440][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1167.194002][T18840] not chained 4900000 origins [ 1167.198856][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1167.207521][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1167.217573][T18840] Call Trace: [ 1167.220868][T18840] dump_stack+0x1df/0x240 [ 1167.225205][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1167.230931][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1167.236051][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1167.242050][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1167.247338][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1167.252538][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1167.258347][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1167.264419][T18840] ? kfree+0x61/0x30f0 [ 1167.268497][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1167.273616][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1167.279172][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1167.285256][T18840] ? _copy_from_user+0x15b/0x260 [ 1167.290204][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1167.295321][T18840] __msan_chain_origin+0x50/0x90 [ 1167.300392][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1167.305018][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1167.310311][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1167.315335][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1167.320363][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1167.326267][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1167.331220][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1167.336077][T18840] do_syscall_64+0xb0/0x150 [ 1167.340587][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1167.346563][T18840] RIP: 0033:0x45c1d9 [ 1167.350445][T18840] Code: Bad RIP value. [ 1167.354504][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1167.363086][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1167.371057][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1167.379048][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1167.387019][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1167.394991][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1167.402969][T18840] Uninit was stored to memory at: [ 1167.408000][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1167.413721][T18840] __msan_chain_origin+0x50/0x90 [ 1167.418660][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1167.423262][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1167.430108][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1167.434958][T18840] do_syscall_64+0xb0/0x150 [ 1167.439468][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1167.445348][T18840] [ 1167.447671][T18840] Uninit was stored to memory at: [ 1167.452699][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1167.458425][T18840] __msan_chain_origin+0x50/0x90 [ 1167.463882][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1167.468485][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1167.473420][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1167.478272][T18840] do_syscall_64+0xb0/0x150 [ 1167.482776][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1167.488655][T18840] [ 1167.491000][T18840] Uninit was stored to memory at: [ 1167.496028][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1167.501749][T18840] __msan_chain_origin+0x50/0x90 [ 1167.506779][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1167.511374][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1167.516313][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1167.521163][T18840] do_syscall_64+0xb0/0x150 [ 1167.525665][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1167.531555][T18840] [ 1167.533875][T18840] Uninit was stored to memory at: [ 1167.538900][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1167.544623][T18840] __msan_chain_origin+0x50/0x90 [ 1167.549576][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1167.554175][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1167.559199][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1167.564052][T18840] do_syscall_64+0xb0/0x150 [ 1167.568593][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1167.574471][T18840] [ 1167.576796][T18840] Uninit was stored to memory at: [ 1167.581820][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1167.587538][T18840] __msan_chain_origin+0x50/0x90 [ 1167.592704][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1167.597301][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1167.602247][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1167.607105][T18840] do_syscall_64+0xb0/0x150 [ 1167.611610][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1167.617498][T18840] [ 1167.619818][T18840] Uninit was stored to memory at: [ 1167.628869][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1167.634760][T18840] __msan_chain_origin+0x50/0x90 [ 1167.639706][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1167.644305][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1167.649253][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1167.654107][T18840] do_syscall_64+0xb0/0x150 [ 1167.658619][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1167.664501][T18840] [ 1167.666837][T18840] Uninit was stored to memory at: [ 1167.671864][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1167.677581][T18840] __msan_chain_origin+0x50/0x90 [ 1167.682519][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1167.687108][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1167.692045][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1167.696900][T18840] do_syscall_64+0xb0/0x150 [ 1167.701403][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1167.707283][T18840] [ 1167.709612][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1167.716288][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1167.720733][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1167.921776][T18840] not chained 4910000 origins [ 1167.926499][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1167.935163][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1167.945301][T18840] Call Trace: [ 1167.948597][T18840] dump_stack+0x1df/0x240 [ 1167.952931][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1167.958651][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1167.963765][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1167.969664][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1167.974955][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1167.980152][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1167.985957][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1167.992022][T18840] ? kfree+0x61/0x30f0 [ 1167.996098][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1168.002274][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1168.007825][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1168.014157][T18840] ? _copy_from_user+0x15b/0x260 [ 1168.019095][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1168.024204][T18840] __msan_chain_origin+0x50/0x90 [ 1168.029150][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1168.033771][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1168.039062][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1168.044086][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1168.049114][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1168.055008][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1168.059968][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1168.064838][T18840] do_syscall_64+0xb0/0x150 [ 1168.069348][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1168.075256][T18840] RIP: 0033:0x45c1d9 [ 1168.079251][T18840] Code: Bad RIP value. [ 1168.083312][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1168.091723][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1168.099701][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1168.107671][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1168.115645][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1168.123620][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1168.131601][T18840] Uninit was stored to memory at: [ 1168.136805][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1168.142524][T18840] __msan_chain_origin+0x50/0x90 [ 1168.147472][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1168.152062][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1168.157172][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1168.162023][T18840] do_syscall_64+0xb0/0x150 [ 1168.166528][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1168.172405][T18840] [ 1168.174726][T18840] Uninit was stored to memory at: [ 1168.179750][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1168.185477][T18840] __msan_chain_origin+0x50/0x90 [ 1168.190418][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1168.195006][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1168.200130][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1168.204980][T18840] do_syscall_64+0xb0/0x150 [ 1168.209481][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1168.215361][T18840] [ 1168.217678][T18840] Uninit was stored to memory at: [ 1168.222714][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1168.228433][T18840] __msan_chain_origin+0x50/0x90 [ 1168.233468][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1168.238069][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1168.243017][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1168.247879][T18840] do_syscall_64+0xb0/0x150 [ 1168.252398][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1168.258282][T18840] [ 1168.260605][T18840] Uninit was stored to memory at: [ 1168.265631][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1168.271348][T18840] __msan_chain_origin+0x50/0x90 [ 1168.276283][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1168.280885][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1168.285828][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1168.290761][T18840] do_syscall_64+0xb0/0x150 [ 1168.295261][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1168.301138][T18840] [ 1168.303456][T18840] Uninit was stored to memory at: [ 1168.308590][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1168.314313][T18840] __msan_chain_origin+0x50/0x90 [ 1168.319250][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1168.323840][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1168.328777][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1168.333625][T18840] do_syscall_64+0xb0/0x150 [ 1168.338132][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1168.344010][T18840] [ 1168.346328][T18840] Uninit was stored to memory at: [ 1168.351350][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1168.357069][T18840] __msan_chain_origin+0x50/0x90 [ 1168.362003][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1168.366592][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1168.371526][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1168.376380][T18840] do_syscall_64+0xb0/0x150 [ 1168.380885][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1168.386765][T18840] [ 1168.389084][T18840] Uninit was stored to memory at: [ 1168.394171][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1168.399900][T18840] __msan_chain_origin+0x50/0x90 [ 1168.404845][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1168.409438][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1168.414373][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1168.419227][T18840] do_syscall_64+0xb0/0x150 [ 1168.423728][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1168.429609][T18840] [ 1168.431926][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1168.438602][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1168.443026][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1168.614790][T18840] not chained 4920000 origins [ 1168.619511][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1168.628186][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1168.638246][T18840] Call Trace: [ 1168.641546][T18840] dump_stack+0x1df/0x240 [ 1168.645884][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1168.651603][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1168.656722][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1168.662622][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1168.667920][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1168.673129][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1168.678940][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1168.685012][T18840] ? kfree+0x61/0x30f0 [ 1168.689119][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1168.694238][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1168.699793][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1168.705873][T18840] ? _copy_from_user+0x15b/0x260 [ 1168.710813][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1168.715926][T18840] __msan_chain_origin+0x50/0x90 [ 1168.720873][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1168.725496][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1168.730787][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1168.735811][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1168.740839][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1168.746739][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1168.751691][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1168.756579][T18840] do_syscall_64+0xb0/0x150 [ 1168.761090][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1168.766979][T18840] RIP: 0033:0x45c1d9 [ 1168.770864][T18840] Code: Bad RIP value. [ 1168.774921][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1168.783466][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1168.791449][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1168.799435][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1168.807416][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1168.815756][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1168.823745][T18840] Uninit was stored to memory at: [ 1168.828813][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1168.834538][T18840] __msan_chain_origin+0x50/0x90 [ 1168.839509][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1168.844103][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1168.849046][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1168.853908][T18840] do_syscall_64+0xb0/0x150 [ 1168.858420][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1168.864301][T18840] [ 1168.866619][T18840] Uninit was stored to memory at: [ 1168.871646][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1168.877371][T18840] __msan_chain_origin+0x50/0x90 [ 1168.882334][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1168.886933][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1168.891872][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1168.896729][T18840] do_syscall_64+0xb0/0x150 [ 1168.901334][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1168.907227][T18840] [ 1168.909555][T18840] Uninit was stored to memory at: [ 1168.914583][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1168.920309][T18840] __msan_chain_origin+0x50/0x90 [ 1168.925250][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1168.929852][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1168.934795][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1168.939652][T18840] do_syscall_64+0xb0/0x150 [ 1168.944160][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1168.950037][T18840] [ 1168.952356][T18840] Uninit was stored to memory at: [ 1168.957384][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1168.963125][T18840] __msan_chain_origin+0x50/0x90 [ 1168.968071][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1168.972661][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1168.977600][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1168.982455][T18840] do_syscall_64+0xb0/0x150 [ 1168.986962][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1168.992840][T18840] [ 1168.995246][T18840] Uninit was stored to memory at: [ 1169.000366][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1169.006097][T18840] __msan_chain_origin+0x50/0x90 [ 1169.011041][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1169.015645][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1169.020588][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1169.025439][T18840] do_syscall_64+0xb0/0x150 [ 1169.029944][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1169.035822][T18840] [ 1169.038154][T18840] Uninit was stored to memory at: [ 1169.043183][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1169.048910][T18840] __msan_chain_origin+0x50/0x90 [ 1169.053849][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1169.058484][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1169.063428][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1169.068303][T18840] do_syscall_64+0xb0/0x150 [ 1169.072912][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1169.078793][T18840] [ 1169.081114][T18840] Uninit was stored to memory at: [ 1169.086142][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1169.091953][T18840] __msan_chain_origin+0x50/0x90 [ 1169.096896][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1169.101492][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1169.106449][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1169.111740][T18840] do_syscall_64+0xb0/0x150 [ 1169.116278][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1169.122160][T18840] [ 1169.124507][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1169.131184][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1169.135600][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1169.308434][T18840] not chained 4930000 origins [ 1169.313241][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1169.321910][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1169.332843][T18840] Call Trace: [ 1169.336148][T18840] dump_stack+0x1df/0x240 [ 1169.340500][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1169.346233][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1169.351459][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1169.357459][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1169.362763][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1169.367971][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1169.373786][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1169.380408][T18840] ? kfree+0x61/0x30f0 [ 1169.384602][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1169.390162][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1169.395713][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1169.401881][T18840] ? _copy_from_user+0x15b/0x260 [ 1169.406843][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1169.411975][T18840] __msan_chain_origin+0x50/0x90 [ 1169.417012][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1169.421642][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1169.426934][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1169.431957][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1169.436988][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1169.442887][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1169.447838][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1169.452690][T18840] do_syscall_64+0xb0/0x150 [ 1169.457200][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1169.463089][T18840] RIP: 0033:0x45c1d9 [ 1169.466972][T18840] Code: Bad RIP value. [ 1169.471255][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1169.479667][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1169.487644][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1169.495616][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1169.503593][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1169.511569][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1169.519549][T18840] Uninit was stored to memory at: [ 1169.524593][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1169.530314][T18840] __msan_chain_origin+0x50/0x90 [ 1169.535257][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1169.539851][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1169.544792][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1169.549648][T18840] do_syscall_64+0xb0/0x150 [ 1169.554157][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1169.560311][T18840] [ 1169.562676][T18840] Uninit was stored to memory at: [ 1169.567711][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1169.573460][T18840] __msan_chain_origin+0x50/0x90 [ 1169.578403][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1169.583007][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1169.588035][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1169.592887][T18840] do_syscall_64+0xb0/0x150 [ 1169.597393][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1169.603359][T18840] [ 1169.605854][T18840] Uninit was stored to memory at: [ 1169.610881][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1169.616603][T18840] __msan_chain_origin+0x50/0x90 [ 1169.621676][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1169.626317][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1169.631255][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1169.636122][T18840] do_syscall_64+0xb0/0x150 [ 1169.640740][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1169.647066][T18840] [ 1169.649389][T18840] Uninit was stored to memory at: [ 1169.654421][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1169.660147][T18840] __msan_chain_origin+0x50/0x90 [ 1169.665087][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1169.669680][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1169.674624][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1169.679485][T18840] do_syscall_64+0xb0/0x150 [ 1169.683996][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1169.689891][T18840] [ 1169.692211][T18840] Uninit was stored to memory at: [ 1169.697237][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1169.702958][T18840] __msan_chain_origin+0x50/0x90 [ 1169.707948][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1169.712538][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1169.717480][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1169.722334][T18840] do_syscall_64+0xb0/0x150 [ 1169.726842][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1169.732810][T18840] [ 1169.735126][T18840] Uninit was stored to memory at: [ 1169.740156][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1169.745875][T18840] __msan_chain_origin+0x50/0x90 [ 1169.750820][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1169.755412][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1169.760531][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1169.765400][T18840] do_syscall_64+0xb0/0x150 [ 1169.769909][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1169.775901][T18840] [ 1169.778225][T18840] Uninit was stored to memory at: [ 1169.783269][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1169.789011][T18840] __msan_chain_origin+0x50/0x90 [ 1169.794062][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1169.798673][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1169.803625][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1169.808496][T18840] do_syscall_64+0xb0/0x150 [ 1169.813009][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1169.818901][T18840] [ 1169.821228][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1169.827909][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1169.833284][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1170.004439][T18840] not chained 4940000 origins [ 1170.009169][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1170.018776][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1170.029447][T18840] Call Trace: [ 1170.032750][T18840] dump_stack+0x1df/0x240 [ 1170.037096][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1170.042820][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1170.048111][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1170.054019][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1170.059932][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1170.065228][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1170.071044][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1170.077118][T18840] ? kfree+0x61/0x30f0 [ 1170.081203][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1170.086319][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1170.091869][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1170.097946][T18840] ? _copy_from_user+0x15b/0x260 [ 1170.102888][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1170.108014][T18840] __msan_chain_origin+0x50/0x90 [ 1170.113216][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1170.117849][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1170.123147][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1170.128174][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1170.133467][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1170.139375][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1170.144334][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1170.149192][T18840] do_syscall_64+0xb0/0x150 [ 1170.153714][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1170.159883][T18840] RIP: 0033:0x45c1d9 [ 1170.163771][T18840] Code: Bad RIP value. [ 1170.167840][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1170.176250][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1170.184230][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1170.192210][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1170.200182][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1170.208153][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1170.216137][T18840] Uninit was stored to memory at: [ 1170.221262][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1170.226981][T18840] __msan_chain_origin+0x50/0x90 [ 1170.231919][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1170.236598][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1170.241729][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1170.246668][T18840] do_syscall_64+0xb0/0x150 [ 1170.251172][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1170.257058][T18840] [ 1170.259379][T18840] Uninit was stored to memory at: [ 1170.264405][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1170.270124][T18840] __msan_chain_origin+0x50/0x90 [ 1170.275076][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1170.279677][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1170.284627][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1170.289491][T18840] do_syscall_64+0xb0/0x150 [ 1170.294001][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1170.299886][T18840] [ 1170.302210][T18840] Uninit was stored to memory at: [ 1170.307237][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1170.312958][T18840] __msan_chain_origin+0x50/0x90 [ 1170.317903][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1170.322495][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1170.327437][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1170.332291][T18840] do_syscall_64+0xb0/0x150 [ 1170.336803][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1170.342690][T18840] [ 1170.345114][T18840] Uninit was stored to memory at: [ 1170.350210][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1170.356716][T18840] __msan_chain_origin+0x50/0x90 [ 1170.361662][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1170.366252][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1170.371545][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1170.377014][T18840] do_syscall_64+0xb0/0x150 [ 1170.381518][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1170.387400][T18840] [ 1170.389717][T18840] Uninit was stored to memory at: [ 1170.394744][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1170.400463][T18840] __msan_chain_origin+0x50/0x90 [ 1170.405402][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1170.409998][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1170.414944][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1170.419802][T18840] do_syscall_64+0xb0/0x150 [ 1170.424306][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1170.430185][T18840] [ 1170.432602][T18840] Uninit was stored to memory at: [ 1170.437630][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1170.443351][T18840] __msan_chain_origin+0x50/0x90 [ 1170.448290][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1170.452880][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1170.457818][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1170.462684][T18840] do_syscall_64+0xb0/0x150 [ 1170.467186][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1170.473067][T18840] [ 1170.475385][T18840] Uninit was stored to memory at: [ 1170.480414][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1170.486137][T18840] __msan_chain_origin+0x50/0x90 [ 1170.491082][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1170.495680][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1170.500619][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1170.505486][T18840] do_syscall_64+0xb0/0x150 [ 1170.509996][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1170.515886][T18840] [ 1170.518213][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1170.524897][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1170.529324][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1170.735890][T18840] not chained 4950000 origins [ 1170.740616][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1170.749553][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1170.759608][T18840] Call Trace: [ 1170.762998][T18840] dump_stack+0x1df/0x240 [ 1170.767336][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1170.773057][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1170.778175][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1170.784074][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1170.789372][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1170.794687][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1170.801390][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1170.807624][T18840] ? kfree+0x61/0x30f0 [ 1170.811710][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1170.816827][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1170.822379][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1170.828459][T18840] ? _copy_from_user+0x15b/0x260 [ 1170.833399][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1170.838519][T18840] __msan_chain_origin+0x50/0x90 [ 1170.843465][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1170.848094][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1170.853385][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1170.858418][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1170.863451][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1170.869377][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1170.874327][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1170.879186][T18840] do_syscall_64+0xb0/0x150 [ 1170.883698][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1170.889584][T18840] RIP: 0033:0x45c1d9 [ 1170.893470][T18840] Code: Bad RIP value. [ 1170.897529][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1170.906025][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1170.914007][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1170.921999][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1170.929993][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1170.937969][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1170.945947][T18840] Uninit was stored to memory at: [ 1170.950981][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1170.956700][T18840] __msan_chain_origin+0x50/0x90 [ 1170.961641][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1170.966233][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1170.971168][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1170.976016][T18840] do_syscall_64+0xb0/0x150 [ 1170.980524][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1170.986401][T18840] [ 1170.988720][T18840] Uninit was stored to memory at: [ 1170.994757][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1171.000481][T18840] __msan_chain_origin+0x50/0x90 [ 1171.006117][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1171.010710][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1171.015652][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1171.020520][T18840] do_syscall_64+0xb0/0x150 [ 1171.025035][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1171.030957][T18840] [ 1171.033278][T18840] Uninit was stored to memory at: [ 1171.038314][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1171.044033][T18840] __msan_chain_origin+0x50/0x90 [ 1171.048972][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1171.053563][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1171.058588][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1171.063443][T18840] do_syscall_64+0xb0/0x150 [ 1171.067947][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1171.073829][T18840] [ 1171.076149][T18840] Uninit was stored to memory at: [ 1171.081177][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1171.086899][T18840] __msan_chain_origin+0x50/0x90 [ 1171.091836][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1171.096425][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1171.101365][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1171.106219][T18840] do_syscall_64+0xb0/0x150 [ 1171.110728][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1171.116639][T18840] [ 1171.118962][T18840] Uninit was stored to memory at: [ 1171.123988][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1171.129712][T18840] __msan_chain_origin+0x50/0x90 [ 1171.134649][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1171.139243][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1171.144181][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1171.149037][T18840] do_syscall_64+0xb0/0x150 [ 1171.153546][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1171.159426][T18840] [ 1171.161746][T18840] Uninit was stored to memory at: [ 1171.166837][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1171.172554][T18840] __msan_chain_origin+0x50/0x90 [ 1171.177493][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1171.182083][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1171.187023][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1171.191874][T18840] do_syscall_64+0xb0/0x150 [ 1171.196374][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1171.202255][T18840] [ 1171.204576][T18840] Uninit was stored to memory at: [ 1171.209607][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1171.215419][T18840] __msan_chain_origin+0x50/0x90 [ 1171.220361][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1171.224952][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1171.229887][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1171.234742][T18840] do_syscall_64+0xb0/0x150 [ 1171.239249][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1171.245132][T18840] [ 1171.247455][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1171.254134][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1171.258554][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1171.426984][T18840] not chained 4960000 origins [ 1171.431705][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1171.440547][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1171.450614][T18840] Call Trace: [ 1171.453912][T18840] dump_stack+0x1df/0x240 [ 1171.458254][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1171.463978][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1171.469093][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1171.474989][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1171.480289][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1171.485495][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1171.491312][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1171.497385][T18840] ? kfree+0x61/0x30f0 [ 1171.501462][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1171.506575][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1171.512133][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1171.518207][T18840] ? _copy_from_user+0x15b/0x260 [ 1171.523172][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1171.528288][T18840] __msan_chain_origin+0x50/0x90 [ 1171.533232][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1171.537859][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1171.543149][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1171.548177][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1171.553201][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1171.559103][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1171.564062][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1171.568922][T18840] do_syscall_64+0xb0/0x150 [ 1171.573436][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1171.579352][T18840] RIP: 0033:0x45c1d9 [ 1171.583240][T18840] Code: Bad RIP value. [ 1171.587307][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1171.595732][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1171.603717][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1171.612132][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1171.620147][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1171.628124][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1171.636194][T18840] Uninit was stored to memory at: [ 1171.641228][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1171.646954][T18840] __msan_chain_origin+0x50/0x90 [ 1171.651893][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1171.656479][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1171.661419][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1171.666274][T18840] do_syscall_64+0xb0/0x150 [ 1171.670777][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1171.676659][T18840] [ 1171.678984][T18840] Uninit was stored to memory at: [ 1171.684011][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1171.689734][T18840] __msan_chain_origin+0x50/0x90 [ 1171.694669][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1171.699269][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1171.704212][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1171.709064][T18840] do_syscall_64+0xb0/0x150 [ 1171.713566][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1171.719446][T18840] [ 1171.721767][T18840] Uninit was stored to memory at: [ 1171.726796][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1171.732601][T18840] __msan_chain_origin+0x50/0x90 [ 1171.737547][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1171.742145][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1171.747083][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1171.751935][T18840] do_syscall_64+0xb0/0x150 [ 1171.756536][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1171.762416][T18840] [ 1171.764735][T18840] Uninit was stored to memory at: [ 1171.769886][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1171.775728][T18840] __msan_chain_origin+0x50/0x90 [ 1171.780685][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1171.785283][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1171.790228][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1171.795093][T18840] do_syscall_64+0xb0/0x150 [ 1171.799607][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1171.805488][T18840] [ 1171.807813][T18840] Uninit was stored to memory at: [ 1171.812840][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1171.818563][T18840] __msan_chain_origin+0x50/0x90 [ 1171.823504][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1171.828097][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1171.833035][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1171.837890][T18840] do_syscall_64+0xb0/0x150 [ 1171.842394][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1171.848272][T18840] [ 1171.850590][T18840] Uninit was stored to memory at: [ 1171.855617][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1171.861346][T18840] __msan_chain_origin+0x50/0x90 [ 1171.866415][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1171.871018][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1171.875963][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1171.880821][T18840] do_syscall_64+0xb0/0x150 [ 1171.885330][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1171.891220][T18840] [ 1171.893539][T18840] Uninit was stored to memory at: [ 1171.898570][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1171.904304][T18840] __msan_chain_origin+0x50/0x90 [ 1171.909245][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1171.913839][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1171.918782][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1171.923639][T18840] do_syscall_64+0xb0/0x150 [ 1171.928154][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1171.934043][T18840] [ 1171.936363][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1171.943041][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1171.947454][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1172.142882][T18840] not chained 4970000 origins [ 1172.147609][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1172.156274][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1172.166326][T18840] Call Trace: [ 1172.169623][T18840] dump_stack+0x1df/0x240 [ 1172.173960][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1172.179682][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1172.184798][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1172.190701][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1172.195990][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1172.201201][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1172.207041][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1172.213109][T18840] ? kfree+0x61/0x30f0 [ 1172.217188][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1172.222304][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1172.227853][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1172.233924][T18840] ? _copy_from_user+0x15b/0x260 [ 1172.238866][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1172.243978][T18840] __msan_chain_origin+0x50/0x90 [ 1172.248960][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1172.253592][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1172.258885][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1172.263916][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1172.268943][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1172.274841][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1172.279792][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1172.284650][T18840] do_syscall_64+0xb0/0x150 [ 1172.289160][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1172.295048][T18840] RIP: 0033:0x45c1d9 [ 1172.298934][T18840] Code: Bad RIP value. [ 1172.302999][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1172.311592][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1172.319567][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1172.327719][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1172.335688][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1172.343657][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1172.351634][T18840] Uninit was stored to memory at: [ 1172.356665][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1172.362383][T18840] __msan_chain_origin+0x50/0x90 [ 1172.367326][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1172.371915][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1172.376857][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1172.381708][T18840] do_syscall_64+0xb0/0x150 [ 1172.386213][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1172.392092][T18840] [ 1172.394415][T18840] Uninit was stored to memory at: [ 1172.399443][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1172.405164][T18840] __msan_chain_origin+0x50/0x90 [ 1172.410108][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1172.414699][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1172.419637][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1172.425090][T18840] do_syscall_64+0xb0/0x150 [ 1172.429605][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1172.435745][T18840] [ 1172.438066][T18840] Uninit was stored to memory at: [ 1172.443099][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1172.448906][T18840] __msan_chain_origin+0x50/0x90 [ 1172.453846][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1172.458436][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1172.463371][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1172.468229][T18840] do_syscall_64+0xb0/0x150 [ 1172.472732][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1172.478619][T18840] [ 1172.480942][T18840] Uninit was stored to memory at: [ 1172.485967][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1172.491685][T18840] __msan_chain_origin+0x50/0x90 [ 1172.496643][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1172.501234][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1172.506175][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1172.511026][T18840] do_syscall_64+0xb0/0x150 [ 1172.515529][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1172.521495][T18840] [ 1172.523816][T18840] Uninit was stored to memory at: [ 1172.528844][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1172.534560][T18840] __msan_chain_origin+0x50/0x90 [ 1172.539501][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1172.544090][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1172.549025][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1172.553877][T18840] do_syscall_64+0xb0/0x150 [ 1172.558388][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1172.564266][T18840] [ 1172.566591][T18840] Uninit was stored to memory at: [ 1172.571623][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1172.577343][T18840] __msan_chain_origin+0x50/0x90 [ 1172.582278][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1172.586866][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1172.591801][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1172.596649][T18840] do_syscall_64+0xb0/0x150 [ 1172.601153][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1172.607031][T18840] [ 1172.609356][T18840] Uninit was stored to memory at: [ 1172.614381][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1172.620100][T18840] __msan_chain_origin+0x50/0x90 [ 1172.625047][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1172.629641][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1172.634588][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1172.639451][T18840] do_syscall_64+0xb0/0x150 [ 1172.643966][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1172.649852][T18840] [ 1172.652611][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1172.659288][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1172.663704][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1172.858703][T18840] not chained 4980000 origins [ 1172.863429][T18840] CPU: 1 PID: 18840 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1172.872096][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1172.882155][T18840] Call Trace: [ 1172.885447][T18840] dump_stack+0x1df/0x240 [ 1172.889775][T18840] kmsan_internal_chain_origin+0x6f/0x130 [ 1172.895468][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1172.900569][T18840] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1172.906575][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1172.911858][T18840] ? kmsan_get_metadata+0x11d/0x180 [ 1172.917036][T18840] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1172.922819][T18840] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1172.928884][T18840] ? kfree+0x61/0x30f0 [ 1172.932977][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1172.938382][T18840] ? kmsan_set_origin_checked+0x95/0xf0 [ 1172.944272][T18840] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1172.950323][T18840] ? _copy_from_user+0x15b/0x260 [ 1172.955235][T18840] ? kmsan_get_metadata+0x4f/0x180 [ 1172.960324][T18840] __msan_chain_origin+0x50/0x90 [ 1172.965329][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1172.969915][T18840] ? __msan_poison_alloca+0xf0/0x120 [ 1172.975182][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1172.980187][T18840] ? __se_sys_recvmmsg+0xac/0x350 [ 1172.985190][T18840] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1172.991065][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1172.995989][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1173.000825][T18840] do_syscall_64+0xb0/0x150 [ 1173.005326][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1173.011198][T18840] RIP: 0033:0x45c1d9 [ 1173.015068][T18840] Code: Bad RIP value. [ 1173.019134][T18840] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1173.027532][T18840] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1173.035494][T18840] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1173.043445][T18840] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1173.051658][T18840] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1173.059612][T18840] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1173.067579][T18840] Uninit was stored to memory at: [ 1173.072611][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1173.078318][T18840] __msan_chain_origin+0x50/0x90 [ 1173.083235][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1173.087813][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1173.092763][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1173.097592][T18840] do_syscall_64+0xb0/0x150 [ 1173.102073][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1173.107941][T18840] [ 1173.110261][T18840] Uninit was stored to memory at: [ 1173.115266][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1173.120964][T18840] __msan_chain_origin+0x50/0x90 [ 1173.125878][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1173.130629][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1173.135541][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1173.140370][T18840] do_syscall_64+0xb0/0x150 [ 1173.144848][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1173.150712][T18840] [ 1173.153016][T18840] Uninit was stored to memory at: [ 1173.158029][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1173.163737][T18840] __msan_chain_origin+0x50/0x90 [ 1173.168664][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1173.173241][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1173.178166][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1173.183011][T18840] do_syscall_64+0xb0/0x150 [ 1173.187507][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1173.193382][T18840] [ 1173.195685][T18840] Uninit was stored to memory at: [ 1173.200688][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1173.206389][T18840] __msan_chain_origin+0x50/0x90 [ 1173.211318][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1173.215884][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1173.220800][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1173.225671][T18840] do_syscall_64+0xb0/0x150 [ 1173.230158][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1173.236021][T18840] [ 1173.238325][T18840] Uninit was stored to memory at: [ 1173.243345][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1173.249054][T18840] __msan_chain_origin+0x50/0x90 [ 1173.254000][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1173.258587][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1173.263500][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1173.268338][T18840] do_syscall_64+0xb0/0x150 [ 1173.272839][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1173.278725][T18840] [ 1173.281050][T18840] Uninit was stored to memory at: [ 1173.286056][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1173.291764][T18840] __msan_chain_origin+0x50/0x90 [ 1173.296696][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1173.301278][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1173.306194][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1173.311027][T18840] do_syscall_64+0xb0/0x150 [ 1173.315505][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1173.321367][T18840] [ 1173.323669][T18840] Uninit was stored to memory at: [ 1173.328684][T18840] kmsan_internal_chain_origin+0xad/0x130 [ 1173.334393][T18840] __msan_chain_origin+0x50/0x90 [ 1173.340097][T18840] do_recvmmsg+0x105a/0x1ee0 [ 1173.344664][T18840] __se_sys_recvmmsg+0x1d1/0x350 [ 1173.349581][T18840] __x64_sys_recvmmsg+0x62/0x80 [ 1173.354404][T18840] do_syscall_64+0xb0/0x150 [ 1173.358881][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1173.364740][T18840] [ 1173.367052][T18840] Local variable ----msg_sys@do_recvmmsg created at: [ 1173.373714][T18840] do_recvmmsg+0xc5/0x1ee0 [ 1173.378108][T18840] do_recvmmsg+0xc5/0x1ee0 15:35:43 executing program 3: prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) socket$key(0xf, 0x3, 0x2) r1 = socket(0x10, 0x80002, 0x0) bind$netlink(r1, &(0x7f0000177ff4)={0x10, 0x0, 0x1}, 0xc) write(r1, &(0x7f0000000140)="2600000022004701050000000000000005006d20002b1f000a4a51f1ee839cd53400b017ca5b", 0x26) connect$netlink(r1, &(0x7f00000014c0)=@proc={0x10, 0x0, 0x1}, 0xc) setsockopt$sock_int(r1, 0x1, 0x8, &(0x7f0000b4bffc), 0xfd49) sendto(r1, 0x0, 0x0, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000000780), 0x3ffffffffffff81, 0x2, 0x0) 15:35:43 executing program 1: 15:35:43 executing program 5: 15:35:43 executing program 2: ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(0xffffffffffffffff, 0xc01864ba, &(0x7f0000000040)={0x2, 0x16, 0x21}) 15:35:43 executing program 0: r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/dlm-control\x00', 0x101001, 0x0) write$P9_RREADDIR(r0, 0x0, 0xa9) r1 = accept(r0, &(0x7f0000000140)=@tipc=@id, &(0x7f00000001c0)=0x80) r2 = socket$inet6(0x10, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/dlm-control\x00', 0x101001, 0x0) write$P9_RREADDIR(r3, 0x0, 0xa9) r4 = syz_genetlink_get_family_id$l2tp(&(0x7f00000000c0)='l2tp\x00') sendmsg$L2TP_CMD_TUNNEL_DELETE(r3, &(0x7f0000000380)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x3c, r4, 0x200, 0x70bd2a, 0x25dfdbfb, {}, [@L2TP_ATTR_IFNAME={0x14, 0x8, 'virt_wifi0\x00'}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @local}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40d0}, 0x4000014) r5 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040)='batadv\x00') ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r2, 0x8933, &(0x7f00000001c0)={'batadv0\x00'}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f00000002c0)={'batadv_slave_0\x00'}) r6 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/dlm-control\x00', 0x101001, 0x0) write$P9_RREADDIR(r6, 0x0, 0xa9) sendmsg$BATADV_CMD_SET_HARDIF(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000480)={0x14, r5, 0x100, 0x0, 0x25dfdbff, {0x5}}, 0x14}, 0x1, 0x0, 0x0, 0x48040}, 0x40) sendmsg$BATADV_CMD_GET_DAT_CACHE(r1, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x34, r5, 0x8, 0x70bd28, 0x25dfdbfd, {}, [@BATADV_ATTR_BONDING_ENABLED={0x5}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x1}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5}]}, 0x34}, 0x1, 0x0, 0x0, 0x800}, 0x800) r7 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x202, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r7, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, 0x0}}, 0x20) ioctl$SNDCTL_DSP_SYNC(r7, 0x5001, 0x0) ioctl$SNDCTL_DSP_SYNC(r7, 0x5001, 0x0) 15:35:43 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={0x0, 0x110}}, 0x0) 15:35:43 executing program 1: 15:35:43 executing program 5: 15:35:43 executing program 2: ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(0xffffffffffffffff, 0xc01864ba, &(0x7f0000000040)={0x2, 0x16, 0x21}) 15:35:43 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[], 0x110}}, 0x0) [ 1174.091260][T18875] not chained 4990000 origins [ 1174.095989][T18875] CPU: 1 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1174.104669][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1174.114737][T18875] Call Trace: [ 1174.118053][T18875] dump_stack+0x1df/0x240 [ 1174.122405][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1174.128257][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1174.133479][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1174.138701][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1174.144522][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1174.151041][T18875] ? __perf_event_task_sched_in+0xa15/0xa80 [ 1174.156952][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1174.162523][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1174.167739][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1174.172948][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1174.180420][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1174.185980][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1174.192064][T18875] ? _copy_from_user+0x15b/0x260 [ 1174.197013][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1174.202137][T18875] __msan_chain_origin+0x50/0x90 [ 1174.207093][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1174.211729][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1174.217032][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1174.222067][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1174.227110][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1174.233019][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1174.238006][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1174.242874][T18875] do_syscall_64+0xb0/0x150 [ 1174.247395][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1174.253295][T18875] RIP: 0033:0x45c1d9 [ 1174.257282][T18875] Code: Bad RIP value. [ 1174.261351][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1174.269771][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1174.277753][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1174.285734][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1174.293713][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1174.301680][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1174.309650][T18875] Uninit was stored to memory at: [ 1174.314668][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1174.320374][T18875] __msan_chain_origin+0x50/0x90 [ 1174.325302][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1174.329881][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1174.334803][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1174.339648][T18875] do_syscall_64+0xb0/0x150 [ 1174.344137][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1174.350009][T18875] [ 1174.352319][T18875] Uninit was stored to memory at: [ 1174.357367][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1174.363678][T18875] __msan_chain_origin+0x50/0x90 [ 1174.368602][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1174.373177][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1174.378099][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1174.382935][T18875] do_syscall_64+0xb0/0x150 [ 1174.387429][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1174.393296][T18875] [ 1174.395605][T18875] Uninit was stored to memory at: [ 1174.400616][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1174.406322][T18875] __msan_chain_origin+0x50/0x90 [ 1174.411249][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1174.415824][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1174.420748][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1174.425587][T18875] do_syscall_64+0xb0/0x150 [ 1174.430077][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1174.435962][T18875] [ 1174.438273][T18875] Uninit was stored to memory at: [ 1174.443283][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1174.448988][T18875] __msan_chain_origin+0x50/0x90 [ 1174.453916][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1174.458494][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1174.463419][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1174.468278][T18875] do_syscall_64+0xb0/0x150 [ 1174.472769][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1174.478644][T18875] [ 1174.480955][T18875] Uninit was stored to memory at: [ 1174.485964][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1174.491668][T18875] __msan_chain_origin+0x50/0x90 [ 1174.496592][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1174.501170][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1174.506096][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1174.510935][T18875] do_syscall_64+0xb0/0x150 [ 1174.515424][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1174.521318][T18875] [ 1174.523627][T18875] Uninit was stored to memory at: [ 1174.529161][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1174.534865][T18875] __msan_chain_origin+0x50/0x90 [ 1174.542134][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1174.546713][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1174.551640][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1174.556479][T18875] do_syscall_64+0xb0/0x150 [ 1174.560971][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1174.566850][T18875] [ 1174.569167][T18875] Uninit was stored to memory at: [ 1174.574205][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1174.579923][T18875] __msan_chain_origin+0x50/0x90 [ 1174.584856][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1174.589435][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1174.594365][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1174.599232][T18875] do_syscall_64+0xb0/0x150 [ 1174.603728][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1174.609598][T18875] [ 1174.611920][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1174.618671][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1174.623075][T18875] do_recvmmsg+0xc5/0x1ee0 15:35:44 executing program 1: 15:35:44 executing program 5: [ 1175.426249][T18875] not chained 5000000 origins [ 1175.430983][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1175.439656][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1175.449718][T18875] Call Trace: [ 1175.453023][T18875] dump_stack+0x1df/0x240 [ 1175.457420][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1175.463153][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1175.468281][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1175.474199][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1175.479508][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1175.484725][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1175.490634][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1175.496718][T18875] ? kfree+0x61/0x30f0 [ 1175.500803][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1175.505926][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1175.511488][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1175.517575][T18875] ? _copy_from_user+0x15b/0x260 [ 1175.522530][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1175.527657][T18875] __msan_chain_origin+0x50/0x90 [ 1175.532613][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1175.537249][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1175.542551][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1175.547588][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1175.552628][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1175.558536][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1175.563500][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1175.568372][T18875] do_syscall_64+0xb0/0x150 [ 1175.572890][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1175.578789][T18875] RIP: 0033:0x45c1d9 [ 1175.582681][T18875] Code: Bad RIP value. [ 1175.586757][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1175.595179][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1175.603162][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1175.611144][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1175.619123][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1175.627107][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1175.635099][T18875] Uninit was stored to memory at: [ 1175.640142][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1175.645879][T18875] __msan_chain_origin+0x50/0x90 [ 1175.650836][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1175.655445][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1175.660404][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1175.665270][T18875] do_syscall_64+0xb0/0x150 [ 1175.669791][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1175.675677][T18875] [ 1175.678002][T18875] Uninit was stored to memory at: [ 1175.683043][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1175.688811][T18875] __msan_chain_origin+0x50/0x90 [ 1175.693761][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1175.698361][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1175.703313][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1175.708238][T18875] do_syscall_64+0xb0/0x150 [ 1175.712758][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1175.718644][T18875] [ 1175.720971][T18875] Uninit was stored to memory at: [ 1175.726034][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1175.731761][T18875] __msan_chain_origin+0x50/0x90 [ 1175.736718][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1175.741328][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1175.746281][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1175.751157][T18875] do_syscall_64+0xb0/0x150 [ 1175.755674][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1175.761733][T18875] [ 1175.764058][T18875] Uninit was stored to memory at: [ 1175.769098][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1175.774833][T18875] __msan_chain_origin+0x50/0x90 [ 1175.779783][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1175.784385][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1175.789341][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1175.794218][T18875] do_syscall_64+0xb0/0x150 [ 1175.798740][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1175.804628][T18875] [ 1175.807069][T18875] Uninit was stored to memory at: [ 1175.812122][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1175.817940][T18875] __msan_chain_origin+0x50/0x90 [ 1175.822890][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1175.827494][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1175.832443][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1175.837308][T18875] do_syscall_64+0xb0/0x150 [ 1175.841826][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1175.847721][T18875] [ 1175.850074][T18875] Uninit was stored to memory at: [ 1175.855111][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1175.860935][T18875] __msan_chain_origin+0x50/0x90 [ 1175.865884][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1175.870493][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1175.875440][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1175.880302][T18875] do_syscall_64+0xb0/0x150 [ 1175.884820][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1175.890704][T18875] [ 1175.893027][T18875] Uninit was stored to memory at: [ 1175.898061][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1175.903792][T18875] __msan_chain_origin+0x50/0x90 [ 1175.908739][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1175.913342][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1175.918315][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1175.923176][T18875] do_syscall_64+0xb0/0x150 [ 1175.927695][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1175.933578][T18875] [ 1175.935912][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1175.942609][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1175.947040][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1176.445510][T18875] not chained 5010000 origins [ 1176.450242][T18875] CPU: 1 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1176.458918][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1176.468980][T18875] Call Trace: [ 1176.472404][T18875] dump_stack+0x1df/0x240 [ 1176.476731][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1176.482440][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1176.487658][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1176.493573][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1176.499032][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1176.504256][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1176.510065][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1176.516125][T18875] ? kfree+0x61/0x30f0 [ 1176.520180][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1176.525271][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1176.530799][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1176.536861][T18875] ? _copy_from_user+0x15b/0x260 [ 1176.541790][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1176.546893][T18875] __msan_chain_origin+0x50/0x90 [ 1176.551823][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1176.556426][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1176.561707][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1176.568643][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1176.573663][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1176.579561][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1176.584483][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1176.589316][T18875] do_syscall_64+0xb0/0x150 [ 1176.593816][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1176.599701][T18875] RIP: 0033:0x45c1d9 [ 1176.603569][T18875] Code: Bad RIP value. [ 1176.607624][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1176.616147][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1176.624103][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1176.632188][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1176.640146][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1176.648120][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1176.656088][T18875] Uninit was stored to memory at: [ 1176.661106][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1176.666845][T18875] __msan_chain_origin+0x50/0x90 [ 1176.671782][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1176.676349][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1176.681269][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1176.686096][T18875] do_syscall_64+0xb0/0x150 [ 1176.690690][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1176.696558][T18875] [ 1176.698901][T18875] Uninit was stored to memory at: [ 1176.703924][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1176.709621][T18875] __msan_chain_origin+0x50/0x90 [ 1176.714540][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1176.719110][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1176.724052][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1176.728888][T18875] do_syscall_64+0xb0/0x150 [ 1176.733409][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1176.739360][T18875] [ 1176.741682][T18875] Uninit was stored to memory at: [ 1176.746700][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1176.752412][T18875] __msan_chain_origin+0x50/0x90 [ 1176.757343][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1176.761919][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1176.766868][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1176.771708][T18875] do_syscall_64+0xb0/0x150 [ 1176.776192][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1176.782055][T18875] [ 1176.784359][T18875] Uninit was stored to memory at: [ 1176.789368][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1176.795093][T18875] __msan_chain_origin+0x50/0x90 [ 1176.800019][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1176.804592][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1176.809578][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1176.814419][T18875] do_syscall_64+0xb0/0x150 [ 1176.818910][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1176.824773][T18875] [ 1176.827091][T18875] Uninit was stored to memory at: [ 1176.832104][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1176.837939][T18875] __msan_chain_origin+0x50/0x90 [ 1176.842867][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1176.847445][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1176.852374][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1176.857432][T18875] do_syscall_64+0xb0/0x150 [ 1176.861936][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1176.867943][T18875] [ 1176.870352][T18875] Uninit was stored to memory at: [ 1176.875378][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1176.881088][T18875] __msan_chain_origin+0x50/0x90 [ 1176.886007][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1176.890597][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1176.895512][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1176.900354][T18875] do_syscall_64+0xb0/0x150 [ 1176.904849][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1176.910719][T18875] [ 1176.913033][T18875] Uninit was stored to memory at: [ 1176.918059][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1176.924033][T18875] __msan_chain_origin+0x50/0x90 [ 1176.928950][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1176.933521][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1176.938570][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1176.943400][T18875] do_syscall_64+0xb0/0x150 [ 1176.947895][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1176.953926][T18875] [ 1176.956232][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1176.962889][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1176.967296][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1177.207670][T18875] not chained 5020000 origins [ 1177.212398][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1177.221072][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1177.231125][T18875] Call Trace: [ 1177.234421][T18875] dump_stack+0x1df/0x240 [ 1177.238755][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1177.244504][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1177.249620][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1177.255521][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1177.260810][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1177.266009][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1177.271823][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1177.277892][T18875] ? kfree+0x61/0x30f0 [ 1177.281965][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1177.287079][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1177.292624][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1177.298697][T18875] ? _copy_from_user+0x15b/0x260 [ 1177.303642][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1177.308756][T18875] __msan_chain_origin+0x50/0x90 [ 1177.313699][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1177.318325][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1177.323610][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1177.328633][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1177.333747][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1177.339645][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1177.344601][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1177.349461][T18875] do_syscall_64+0xb0/0x150 [ 1177.353969][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1177.359865][T18875] RIP: 0033:0x45c1d9 [ 1177.363748][T18875] Code: Bad RIP value. [ 1177.367807][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1177.376214][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1177.384183][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1177.392153][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1177.400123][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1177.408093][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1177.416070][T18875] Uninit was stored to memory at: [ 1177.421099][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1177.426818][T18875] __msan_chain_origin+0x50/0x90 [ 1177.431753][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1177.436342][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1177.441279][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1177.446131][T18875] do_syscall_64+0xb0/0x150 [ 1177.450637][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1177.456518][T18875] [ 1177.458846][T18875] Uninit was stored to memory at: [ 1177.463871][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1177.469592][T18875] __msan_chain_origin+0x50/0x90 [ 1177.474531][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1177.479136][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1177.484081][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1177.489022][T18875] do_syscall_64+0xb0/0x150 [ 1177.493527][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1177.499407][T18875] [ 1177.501727][T18875] Uninit was stored to memory at: [ 1177.506750][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1177.512468][T18875] __msan_chain_origin+0x50/0x90 [ 1177.517406][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1177.522015][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1177.526950][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1177.531828][T18875] do_syscall_64+0xb0/0x150 [ 1177.536341][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1177.542217][T18875] [ 1177.544535][T18875] Uninit was stored to memory at: [ 1177.549612][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1177.555329][T18875] __msan_chain_origin+0x50/0x90 [ 1177.560266][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1177.564857][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1177.569797][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1177.574650][T18875] do_syscall_64+0xb0/0x150 [ 1177.579161][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1177.585040][T18875] [ 1177.587360][T18875] Uninit was stored to memory at: [ 1177.592386][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1177.598105][T18875] __msan_chain_origin+0x50/0x90 [ 1177.603132][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1177.607718][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1177.612661][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1177.617513][T18875] do_syscall_64+0xb0/0x150 [ 1177.622017][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1177.627897][T18875] [ 1177.630215][T18875] Uninit was stored to memory at: [ 1177.635239][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1177.640960][T18875] __msan_chain_origin+0x50/0x90 [ 1177.645911][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1177.650508][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1177.655450][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1177.660743][T18875] do_syscall_64+0xb0/0x150 [ 1177.665248][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1177.671135][T18875] [ 1177.673453][T18875] Uninit was stored to memory at: [ 1177.678482][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1177.684205][T18875] __msan_chain_origin+0x50/0x90 [ 1177.689170][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1177.693786][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1177.698720][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1177.703571][T18875] do_syscall_64+0xb0/0x150 [ 1177.708170][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1177.714052][T18875] [ 1177.716372][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1177.723152][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1177.727656][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1177.923086][T18875] not chained 5030000 origins [ 1177.927812][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1177.936481][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1177.946535][T18875] Call Trace: [ 1177.949831][T18875] dump_stack+0x1df/0x240 [ 1177.954170][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1177.959912][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1177.965034][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1177.970930][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1177.976217][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1177.981418][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1177.987223][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1177.993287][T18875] ? kfree+0x61/0x30f0 [ 1177.997358][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1178.002471][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1178.008020][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1178.014099][T18875] ? _copy_from_user+0x15b/0x260 [ 1178.019039][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1178.024151][T18875] __msan_chain_origin+0x50/0x90 [ 1178.029097][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1178.033726][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1178.039014][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1178.044038][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1178.049510][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1178.055404][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1178.060354][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1178.065213][T18875] do_syscall_64+0xb0/0x150 [ 1178.069720][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1178.075609][T18875] RIP: 0033:0x45c1d9 [ 1178.079489][T18875] Code: Bad RIP value. [ 1178.083551][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1178.091963][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1178.099936][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1178.107907][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1178.115878][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1178.123862][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1178.131854][T18875] Uninit was stored to memory at: [ 1178.136886][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1178.142602][T18875] __msan_chain_origin+0x50/0x90 [ 1178.147544][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1178.152135][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1178.157069][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1178.161919][T18875] do_syscall_64+0xb0/0x150 [ 1178.166418][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1178.172292][T18875] [ 1178.174608][T18875] Uninit was stored to memory at: [ 1178.179633][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1178.185372][T18875] __msan_chain_origin+0x50/0x90 [ 1178.190313][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1178.194905][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1178.199843][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1178.204695][T18875] do_syscall_64+0xb0/0x150 [ 1178.209200][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1178.215078][T18875] [ 1178.217395][T18875] Uninit was stored to memory at: [ 1178.222428][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1178.228143][T18875] __msan_chain_origin+0x50/0x90 [ 1178.233080][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1178.237670][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1178.242606][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1178.247490][T18875] do_syscall_64+0xb0/0x150 [ 1178.251994][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1178.257871][T18875] [ 1178.260192][T18875] Uninit was stored to memory at: [ 1178.265220][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1178.270938][T18875] __msan_chain_origin+0x50/0x90 [ 1178.275874][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1178.280462][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1178.285397][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1178.290248][T18875] do_syscall_64+0xb0/0x150 [ 1178.294751][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1178.300625][T18875] [ 1178.302943][T18875] Uninit was stored to memory at: [ 1178.307968][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1178.313685][T18875] __msan_chain_origin+0x50/0x90 [ 1178.318619][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1178.323208][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1178.328146][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1178.332994][T18875] do_syscall_64+0xb0/0x150 [ 1178.337494][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1178.343371][T18875] [ 1178.345689][T18875] Uninit was stored to memory at: [ 1178.350715][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1178.356430][T18875] __msan_chain_origin+0x50/0x90 [ 1178.361364][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1178.365950][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1178.370884][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1178.375742][T18875] do_syscall_64+0xb0/0x150 [ 1178.380350][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1178.386227][T18875] [ 1178.388551][T18875] Uninit was stored to memory at: [ 1178.393578][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1178.399292][T18875] __msan_chain_origin+0x50/0x90 [ 1178.404229][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1178.410053][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1178.414987][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1178.419836][T18875] do_syscall_64+0xb0/0x150 [ 1178.424337][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1178.430213][T18875] [ 1178.432540][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1178.439225][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1178.443658][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1178.650591][T18875] not chained 5040000 origins [ 1178.655311][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1178.663986][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1178.674058][T18875] Call Trace: [ 1178.677358][T18875] dump_stack+0x1df/0x240 [ 1178.681700][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1178.687423][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1178.692538][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1178.698438][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1178.703730][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1178.708933][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1178.714740][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1178.720812][T18875] ? kfree+0x61/0x30f0 [ 1178.724884][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1178.730093][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1178.735675][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1178.741767][T18875] ? _copy_from_user+0x15b/0x260 [ 1178.746719][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1178.751839][T18875] __msan_chain_origin+0x50/0x90 [ 1178.756784][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1178.761410][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1178.766700][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1178.771724][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1178.776773][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1178.782679][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1178.787638][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1178.792498][T18875] do_syscall_64+0xb0/0x150 [ 1178.797009][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1178.802896][T18875] RIP: 0033:0x45c1d9 [ 1178.806784][T18875] Code: Bad RIP value. [ 1178.810849][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1178.819387][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1178.827362][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1178.835332][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1178.843313][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1178.851286][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1178.859263][T18875] Uninit was stored to memory at: [ 1178.864292][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1178.870011][T18875] __msan_chain_origin+0x50/0x90 [ 1178.874947][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1178.879536][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1178.884476][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1178.889329][T18875] do_syscall_64+0xb0/0x150 [ 1178.893832][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1178.899711][T18875] [ 1178.902027][T18875] Uninit was stored to memory at: [ 1178.907062][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1178.912780][T18875] __msan_chain_origin+0x50/0x90 [ 1178.917717][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1178.922305][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1178.927266][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1178.932114][T18875] do_syscall_64+0xb0/0x150 [ 1178.936615][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1178.942492][T18875] [ 1178.944980][T18875] Uninit was stored to memory at: [ 1178.950001][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1178.955717][T18875] __msan_chain_origin+0x50/0x90 [ 1178.960650][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1178.965237][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1178.970173][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1178.975024][T18875] do_syscall_64+0xb0/0x150 [ 1178.979526][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1178.985407][T18875] [ 1178.987725][T18875] Uninit was stored to memory at: [ 1178.992750][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1178.998484][T18875] __msan_chain_origin+0x50/0x90 [ 1179.003419][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1179.008007][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1179.012941][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1179.017824][T18875] do_syscall_64+0xb0/0x150 [ 1179.022363][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1179.028241][T18875] [ 1179.030556][T18875] Uninit was stored to memory at: [ 1179.035764][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1179.041486][T18875] __msan_chain_origin+0x50/0x90 [ 1179.046422][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1179.051008][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1179.055947][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1179.060795][T18875] do_syscall_64+0xb0/0x150 [ 1179.065296][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1179.071173][T18875] [ 1179.073494][T18875] Uninit was stored to memory at: [ 1179.078521][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1179.084240][T18875] __msan_chain_origin+0x50/0x90 [ 1179.089176][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1179.093849][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1179.098783][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1179.103635][T18875] do_syscall_64+0xb0/0x150 [ 1179.108138][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1179.114014][T18875] [ 1179.116330][T18875] Uninit was stored to memory at: [ 1179.121353][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1179.127072][T18875] __msan_chain_origin+0x50/0x90 [ 1179.132007][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1179.136594][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1179.141530][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1179.146383][T18875] do_syscall_64+0xb0/0x150 [ 1179.150918][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1179.156793][T18875] [ 1179.159115][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1179.165790][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1179.170278][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1179.360690][T18875] not chained 5050000 origins [ 1179.365414][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1179.374076][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1179.384128][T18875] Call Trace: [ 1179.387422][T18875] dump_stack+0x1df/0x240 [ 1179.391757][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1179.397475][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1179.402592][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1179.408490][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1179.413779][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1179.418987][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1179.424796][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1179.430866][T18875] ? kfree+0x61/0x30f0 [ 1179.434938][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1179.440059][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1179.445696][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1179.451769][T18875] ? _copy_from_user+0x15b/0x260 [ 1179.456706][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1179.461816][T18875] __msan_chain_origin+0x50/0x90 [ 1179.466848][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1179.471474][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1179.476771][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1179.481794][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1179.486819][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1179.492715][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1179.497910][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1179.502773][T18875] do_syscall_64+0xb0/0x150 [ 1179.507283][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1179.513345][T18875] RIP: 0033:0x45c1d9 [ 1179.517226][T18875] Code: Bad RIP value. [ 1179.521285][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1179.529691][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1179.537660][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1179.545626][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1179.553606][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1179.561601][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1179.569723][T18875] Uninit was stored to memory at: [ 1179.574755][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1179.580477][T18875] __msan_chain_origin+0x50/0x90 [ 1179.585416][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1179.590096][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1179.595033][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1179.599884][T18875] do_syscall_64+0xb0/0x150 [ 1179.604391][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1179.610358][T18875] [ 1179.612678][T18875] Uninit was stored to memory at: [ 1179.617700][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1179.623432][T18875] __msan_chain_origin+0x50/0x90 [ 1179.628378][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1179.632972][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1179.637912][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1179.643805][T18875] do_syscall_64+0xb0/0x150 [ 1179.648312][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1179.654189][T18875] [ 1179.656508][T18875] Uninit was stored to memory at: [ 1179.661617][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1179.667337][T18875] __msan_chain_origin+0x50/0x90 [ 1179.672272][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1179.676862][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1179.681798][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1179.686656][T18875] do_syscall_64+0xb0/0x150 [ 1179.691160][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1179.697036][T18875] [ 1179.699357][T18875] Uninit was stored to memory at: [ 1179.704379][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1179.710095][T18875] __msan_chain_origin+0x50/0x90 [ 1179.715027][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1179.719649][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1179.724582][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1179.729441][T18875] do_syscall_64+0xb0/0x150 [ 1179.733943][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1179.740685][T18875] [ 1179.744313][T18875] Uninit was stored to memory at: [ 1179.749342][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1179.755144][T18875] __msan_chain_origin+0x50/0x90 [ 1179.760166][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1179.764753][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1179.769688][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1179.774539][T18875] do_syscall_64+0xb0/0x150 [ 1179.779040][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1179.784919][T18875] [ 1179.787388][T18875] Uninit was stored to memory at: [ 1179.792425][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1179.798148][T18875] __msan_chain_origin+0x50/0x90 [ 1179.803250][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1179.807850][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1179.812797][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1179.817652][T18875] do_syscall_64+0xb0/0x150 [ 1179.822153][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1179.828036][T18875] [ 1179.830352][T18875] Uninit was stored to memory at: [ 1179.835376][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1179.841095][T18875] __msan_chain_origin+0x50/0x90 [ 1179.846032][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1179.850629][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1179.856001][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1179.860853][T18875] do_syscall_64+0xb0/0x150 [ 1179.865357][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1179.871323][T18875] [ 1179.873641][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1179.880315][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1179.884731][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1180.090341][T18875] not chained 5060000 origins [ 1180.095058][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1180.103720][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1180.113772][T18875] Call Trace: [ 1180.117071][T18875] dump_stack+0x1df/0x240 [ 1180.121409][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1180.127215][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1180.132350][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1180.138276][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1180.143563][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1180.148761][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1180.154566][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1180.162220][T18875] ? kfree+0x61/0x30f0 [ 1180.166381][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1180.171668][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1180.177213][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1180.183285][T18875] ? _copy_from_user+0x15b/0x260 [ 1180.188223][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1180.193333][T18875] __msan_chain_origin+0x50/0x90 [ 1180.198290][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1180.202918][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1180.208206][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1180.213242][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1180.218264][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1180.224178][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1180.229128][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1180.233981][T18875] do_syscall_64+0xb0/0x150 [ 1180.238489][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1180.244595][T18875] RIP: 0033:0x45c1d9 [ 1180.248482][T18875] Code: Bad RIP value. [ 1180.252545][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1180.260962][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1180.268937][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1180.276906][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1180.284876][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1180.292847][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1180.300824][T18875] Uninit was stored to memory at: [ 1180.305855][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1180.311589][T18875] __msan_chain_origin+0x50/0x90 [ 1180.317307][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1180.321894][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1180.326831][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1180.331679][T18875] do_syscall_64+0xb0/0x150 [ 1180.336182][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1180.342060][T18875] [ 1180.344377][T18875] Uninit was stored to memory at: [ 1180.349400][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1180.355114][T18875] __msan_chain_origin+0x50/0x90 [ 1180.360053][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1180.364638][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1180.369579][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1180.374427][T18875] do_syscall_64+0xb0/0x150 [ 1180.378933][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1180.384811][T18875] [ 1180.387127][T18875] Uninit was stored to memory at: [ 1180.392235][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1180.397949][T18875] __msan_chain_origin+0x50/0x90 [ 1180.402886][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1180.407676][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1180.412614][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1180.417461][T18875] do_syscall_64+0xb0/0x150 [ 1180.421977][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1180.427857][T18875] [ 1180.430177][T18875] Uninit was stored to memory at: [ 1180.435199][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1180.440917][T18875] __msan_chain_origin+0x50/0x90 [ 1180.445851][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1180.450440][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1180.455375][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1180.460222][T18875] do_syscall_64+0xb0/0x150 [ 1180.464813][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1180.475118][T18875] [ 1180.477446][T18875] Uninit was stored to memory at: [ 1180.482475][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1180.488196][T18875] __msan_chain_origin+0x50/0x90 [ 1180.493401][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1180.497990][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1180.502923][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1180.507857][T18875] do_syscall_64+0xb0/0x150 [ 1180.512457][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1180.518333][T18875] [ 1180.520653][T18875] Uninit was stored to memory at: [ 1180.525677][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1180.531395][T18875] __msan_chain_origin+0x50/0x90 [ 1180.536763][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1180.541350][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1180.546290][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1180.551141][T18875] do_syscall_64+0xb0/0x150 [ 1180.555646][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1180.562480][T18875] [ 1180.564798][T18875] Uninit was stored to memory at: [ 1180.571128][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1180.576858][T18875] __msan_chain_origin+0x50/0x90 [ 1180.581801][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1180.586592][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1180.591530][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1180.596385][T18875] do_syscall_64+0xb0/0x150 [ 1180.600978][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1180.606856][T18875] [ 1180.609174][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1180.615856][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1180.620267][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1180.809456][T18875] not chained 5070000 origins [ 1180.814229][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1180.822898][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1180.832952][T18875] Call Trace: [ 1180.836247][T18875] dump_stack+0x1df/0x240 [ 1180.840585][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1180.846309][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1180.851424][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1180.857322][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1180.862699][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1180.867898][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1180.873704][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1180.879771][T18875] ? kfree+0x61/0x30f0 [ 1180.883849][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1180.888959][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1180.894508][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1180.900578][T18875] ? _copy_from_user+0x15b/0x260 [ 1180.905609][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1180.910719][T18875] __msan_chain_origin+0x50/0x90 [ 1180.915662][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1180.920286][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1180.926182][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1180.931213][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1180.936237][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1180.942140][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1180.947090][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1180.951947][T18875] do_syscall_64+0xb0/0x150 [ 1180.956453][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1180.962337][T18875] RIP: 0033:0x45c1d9 [ 1180.966218][T18875] Code: Bad RIP value. [ 1180.970276][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1180.978685][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1180.986744][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1180.994712][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1181.002681][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1181.010651][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1181.018722][T18875] Uninit was stored to memory at: [ 1181.023750][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1181.029470][T18875] __msan_chain_origin+0x50/0x90 [ 1181.034405][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1181.039081][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1181.044016][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1181.048921][T18875] do_syscall_64+0xb0/0x150 [ 1181.053422][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1181.059299][T18875] [ 1181.061618][T18875] Uninit was stored to memory at: [ 1181.066906][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1181.072624][T18875] __msan_chain_origin+0x50/0x90 [ 1181.077562][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1181.082146][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1181.087098][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1181.091962][T18875] do_syscall_64+0xb0/0x150 [ 1181.096464][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1181.102372][T18875] [ 1181.104707][T18875] Uninit was stored to memory at: [ 1181.109736][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1181.115545][T18875] __msan_chain_origin+0x50/0x90 [ 1181.120481][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1181.125069][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1181.130005][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1181.134857][T18875] do_syscall_64+0xb0/0x150 [ 1181.139363][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1181.145242][T18875] [ 1181.147562][T18875] Uninit was stored to memory at: [ 1181.152583][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1181.158299][T18875] __msan_chain_origin+0x50/0x90 [ 1181.163238][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1181.167827][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1181.172777][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1181.177628][T18875] do_syscall_64+0xb0/0x150 [ 1181.182127][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1181.188004][T18875] [ 1181.190327][T18875] Uninit was stored to memory at: [ 1181.195349][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1181.201070][T18875] __msan_chain_origin+0x50/0x90 [ 1181.206005][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1181.210591][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1181.215526][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1181.220375][T18875] do_syscall_64+0xb0/0x150 [ 1181.224876][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1181.230751][T18875] [ 1181.233074][T18875] Uninit was stored to memory at: [ 1181.238098][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1181.243812][T18875] __msan_chain_origin+0x50/0x90 [ 1181.248749][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1181.253336][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1181.258272][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1181.263119][T18875] do_syscall_64+0xb0/0x150 [ 1181.267712][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1181.273591][T18875] [ 1181.275912][T18875] Uninit was stored to memory at: [ 1181.280933][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1181.286651][T18875] __msan_chain_origin+0x50/0x90 [ 1181.291674][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1181.296281][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1181.301219][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1181.306072][T18875] do_syscall_64+0xb0/0x150 [ 1181.310586][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1181.316464][T18875] [ 1181.318781][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1181.325461][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1181.329875][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1181.531612][T18875] not chained 5080000 origins [ 1181.536316][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1181.544960][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1181.554990][T18875] Call Trace: [ 1181.558281][T18875] dump_stack+0x1df/0x240 [ 1181.562591][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1181.568286][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1181.574417][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1181.580303][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1181.586630][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1181.591805][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1181.597600][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1181.603651][T18875] ? kfree+0x61/0x30f0 [ 1181.607707][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1181.612832][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1181.618390][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1181.624438][T18875] ? _copy_from_user+0x15b/0x260 [ 1181.629351][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1181.634436][T18875] __msan_chain_origin+0x50/0x90 [ 1181.639369][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1181.643970][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1181.649245][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1181.654256][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1181.659300][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1181.665266][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1181.670216][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1181.675058][T18875] do_syscall_64+0xb0/0x150 [ 1181.679543][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1181.685499][T18875] RIP: 0033:0x45c1d9 [ 1181.689369][T18875] Code: Bad RIP value. [ 1181.693411][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1181.701797][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1181.709750][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1181.717985][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1181.725934][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1181.733883][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1181.742012][T18875] Uninit was stored to memory at: [ 1181.747030][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1181.752833][T18875] __msan_chain_origin+0x50/0x90 [ 1181.758202][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1181.762768][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1181.767779][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1181.772620][T18875] do_syscall_64+0xb0/0x150 [ 1181.777127][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1181.782987][T18875] [ 1181.785378][T18875] Uninit was stored to memory at: [ 1181.790389][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1181.796098][T18875] __msan_chain_origin+0x50/0x90 [ 1181.801121][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1181.805693][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1181.810631][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1181.815480][T18875] do_syscall_64+0xb0/0x150 [ 1181.819985][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1181.825864][T18875] [ 1181.828188][T18875] Uninit was stored to memory at: [ 1181.833279][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1181.839250][T18875] __msan_chain_origin+0x50/0x90 [ 1181.844180][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1181.848758][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1181.853672][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1181.858501][T18875] do_syscall_64+0xb0/0x150 [ 1181.862994][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1181.868877][T18875] [ 1181.871180][T18875] Uninit was stored to memory at: [ 1181.876214][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1181.881909][T18875] __msan_chain_origin+0x50/0x90 [ 1181.886824][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1181.891407][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1181.896670][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1181.901498][T18875] do_syscall_64+0xb0/0x150 [ 1181.905993][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1181.911862][T18875] [ 1181.914175][T18875] Uninit was stored to memory at: [ 1181.919179][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1181.924872][T18875] __msan_chain_origin+0x50/0x90 [ 1181.929795][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1181.934371][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1181.939295][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1181.944129][T18875] do_syscall_64+0xb0/0x150 [ 1181.948666][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1181.954538][T18875] [ 1181.956847][T18875] Uninit was stored to memory at: [ 1181.961855][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1181.967767][T18875] __msan_chain_origin+0x50/0x90 [ 1181.972685][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1181.977592][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1181.982504][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1181.987331][T18875] do_syscall_64+0xb0/0x150 [ 1181.991811][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1181.997670][T18875] [ 1181.999972][T18875] Uninit was stored to memory at: [ 1182.004985][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1182.010699][T18875] __msan_chain_origin+0x50/0x90 [ 1182.015612][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1182.020177][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1182.025087][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1182.029913][T18875] do_syscall_64+0xb0/0x150 [ 1182.034389][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1182.040257][T18875] [ 1182.042571][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1182.049422][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1182.053826][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1182.241658][T18875] not chained 5090000 origins [ 1182.246373][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1182.255033][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1182.265187][T18875] Call Trace: [ 1182.268485][T18875] dump_stack+0x1df/0x240 [ 1182.272824][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1182.279508][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1182.284710][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1182.290607][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1182.295903][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1182.301106][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1182.306915][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1182.312984][T18875] ? kfree+0x61/0x30f0 [ 1182.317058][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1182.322169][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1182.327717][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1182.333788][T18875] ? _copy_from_user+0x15b/0x260 [ 1182.338727][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1182.343836][T18875] __msan_chain_origin+0x50/0x90 [ 1182.348775][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1182.353395][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1182.358689][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1182.363735][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1182.368759][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1182.374747][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1182.379694][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1182.384549][T18875] do_syscall_64+0xb0/0x150 [ 1182.389057][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1182.394950][T18875] RIP: 0033:0x45c1d9 [ 1182.398831][T18875] Code: Bad RIP value. [ 1182.402891][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1182.413212][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1182.421181][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1182.429149][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1182.437117][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1182.445086][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1182.453088][T18875] Uninit was stored to memory at: [ 1182.458115][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1182.463831][T18875] __msan_chain_origin+0x50/0x90 [ 1182.468770][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1182.473356][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1182.478295][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1182.483147][T18875] do_syscall_64+0xb0/0x150 [ 1182.487651][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1182.493528][T18875] [ 1182.495846][T18875] Uninit was stored to memory at: [ 1182.500873][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1182.506597][T18875] __msan_chain_origin+0x50/0x90 [ 1182.511530][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1182.516121][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1182.521084][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1182.525934][T18875] do_syscall_64+0xb0/0x150 [ 1182.530437][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1182.536315][T18875] [ 1182.538665][T18875] Uninit was stored to memory at: [ 1182.543692][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1182.549410][T18875] __msan_chain_origin+0x50/0x90 [ 1182.554347][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1182.558935][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1182.563872][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1182.568816][T18875] do_syscall_64+0xb0/0x150 [ 1182.573319][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1182.579202][T18875] [ 1182.581528][T18875] Uninit was stored to memory at: [ 1182.586562][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1182.592281][T18875] __msan_chain_origin+0x50/0x90 [ 1182.597220][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1182.601811][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1182.606767][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1182.611634][T18875] do_syscall_64+0xb0/0x150 [ 1182.616144][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1182.622027][T18875] [ 1182.624388][T18875] Uninit was stored to memory at: [ 1182.629425][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1182.635156][T18875] __msan_chain_origin+0x50/0x90 [ 1182.640097][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1182.644689][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1182.649710][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1182.654644][T18875] do_syscall_64+0xb0/0x150 [ 1182.659150][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1182.665025][T18875] [ 1182.667345][T18875] Uninit was stored to memory at: [ 1182.672372][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1182.678087][T18875] __msan_chain_origin+0x50/0x90 [ 1182.683022][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1182.687616][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1182.692553][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1182.697417][T18875] do_syscall_64+0xb0/0x150 [ 1182.701921][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1182.707800][T18875] [ 1182.710138][T18875] Uninit was stored to memory at: [ 1182.715162][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1182.720877][T18875] __msan_chain_origin+0x50/0x90 [ 1182.725825][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1182.730412][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1182.735349][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1182.740201][T18875] do_syscall_64+0xb0/0x150 [ 1182.744796][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1182.750672][T18875] [ 1182.752997][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1182.759704][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1182.764187][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1182.964899][T18875] not chained 5100000 origins [ 1182.969621][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1182.978451][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1182.988504][T18875] Call Trace: [ 1182.991797][T18875] dump_stack+0x1df/0x240 [ 1182.996132][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1183.001856][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1183.006967][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1183.012859][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1183.018149][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1183.023359][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1183.029165][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1183.035227][T18875] ? kfree+0x61/0x30f0 [ 1183.039299][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1183.044412][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1183.049958][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1183.056057][T18875] ? _copy_from_user+0x15b/0x260 [ 1183.061003][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1183.066134][T18875] __msan_chain_origin+0x50/0x90 [ 1183.071075][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1183.075698][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1183.080987][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1183.086029][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1183.091055][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1183.096952][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1183.101901][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1183.106763][T18875] do_syscall_64+0xb0/0x150 [ 1183.111267][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1183.117152][T18875] RIP: 0033:0x45c1d9 [ 1183.121045][T18875] Code: Bad RIP value. [ 1183.125104][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1183.133510][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1183.141478][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1183.149452][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1183.157422][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1183.165390][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1183.173400][T18875] Uninit was stored to memory at: [ 1183.178426][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1183.184142][T18875] __msan_chain_origin+0x50/0x90 [ 1183.189167][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1183.193752][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1183.198686][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1183.203554][T18875] do_syscall_64+0xb0/0x150 [ 1183.208061][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1183.213942][T18875] [ 1183.216260][T18875] Uninit was stored to memory at: [ 1183.221287][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1183.227000][T18875] __msan_chain_origin+0x50/0x90 [ 1183.231934][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1183.236518][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1183.242522][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1183.247376][T18875] do_syscall_64+0xb0/0x150 [ 1183.251877][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1183.257752][T18875] [ 1183.260074][T18875] Uninit was stored to memory at: [ 1183.265098][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1183.270900][T18875] __msan_chain_origin+0x50/0x90 [ 1183.275835][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1183.280426][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1183.285363][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1183.290213][T18875] do_syscall_64+0xb0/0x150 [ 1183.294717][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1183.300593][T18875] [ 1183.302910][T18875] Uninit was stored to memory at: [ 1183.307961][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1183.313678][T18875] __msan_chain_origin+0x50/0x90 [ 1183.318617][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1183.323206][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1183.328143][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1183.332991][T18875] do_syscall_64+0xb0/0x150 [ 1183.337498][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1183.343375][T18875] [ 1183.345693][T18875] Uninit was stored to memory at: [ 1183.350980][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1183.356697][T18875] __msan_chain_origin+0x50/0x90 [ 1183.361634][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1183.366219][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1183.371153][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1183.376003][T18875] do_syscall_64+0xb0/0x150 [ 1183.380506][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1183.386389][T18875] [ 1183.388706][T18875] Uninit was stored to memory at: [ 1183.393850][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1183.399569][T18875] __msan_chain_origin+0x50/0x90 [ 1183.404507][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1183.409095][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1183.414032][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1183.418883][T18875] do_syscall_64+0xb0/0x150 [ 1183.423390][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1183.429353][T18875] [ 1183.431674][T18875] Uninit was stored to memory at: [ 1183.436701][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1183.442437][T18875] __msan_chain_origin+0x50/0x90 [ 1183.447372][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1183.451961][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1183.456897][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1183.461747][T18875] do_syscall_64+0xb0/0x150 [ 1183.466249][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1183.472130][T18875] [ 1183.474451][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1183.481125][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1183.485548][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1183.680930][T18875] not chained 5110000 origins [ 1183.685653][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1183.694678][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1183.704731][T18875] Call Trace: [ 1183.708028][T18875] dump_stack+0x1df/0x240 [ 1183.712365][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1183.718084][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1183.723195][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1183.729101][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1183.734413][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1183.739619][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1183.745426][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1183.751503][T18875] ? kfree+0x61/0x30f0 [ 1183.755581][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1183.760787][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1183.766334][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1183.772411][T18875] ? _copy_from_user+0x15b/0x260 [ 1183.777349][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1183.782460][T18875] __msan_chain_origin+0x50/0x90 [ 1183.787422][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1183.792048][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1183.797334][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1183.802355][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1183.807510][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1183.813422][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1183.818405][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1183.823266][T18875] do_syscall_64+0xb0/0x150 [ 1183.827774][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1183.833660][T18875] RIP: 0033:0x45c1d9 [ 1183.837541][T18875] Code: Bad RIP value. [ 1183.841602][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1183.850009][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1183.857980][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1183.866043][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1183.874015][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1183.882943][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1183.890922][T18875] Uninit was stored to memory at: [ 1183.895963][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1183.901680][T18875] __msan_chain_origin+0x50/0x90 [ 1183.906708][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1183.911297][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1183.916229][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1183.921091][T18875] do_syscall_64+0xb0/0x150 [ 1183.925596][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1183.931474][T18875] [ 1183.933791][T18875] Uninit was stored to memory at: [ 1183.938817][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1183.944536][T18875] __msan_chain_origin+0x50/0x90 [ 1183.949473][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1183.954061][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1183.959001][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1183.963854][T18875] do_syscall_64+0xb0/0x150 [ 1183.968355][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1183.974230][T18875] [ 1183.976549][T18875] Uninit was stored to memory at: [ 1183.981581][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1183.987296][T18875] __msan_chain_origin+0x50/0x90 [ 1183.992232][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1183.996828][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1184.001761][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1184.006617][T18875] do_syscall_64+0xb0/0x150 [ 1184.011124][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1184.016999][T18875] [ 1184.019318][T18875] Uninit was stored to memory at: [ 1184.024336][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1184.030051][T18875] __msan_chain_origin+0x50/0x90 [ 1184.034984][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1184.039569][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1184.044509][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1184.049375][T18875] do_syscall_64+0xb0/0x150 [ 1184.053971][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1184.059877][T18875] [ 1184.062194][T18875] Uninit was stored to memory at: [ 1184.067305][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1184.073048][T18875] __msan_chain_origin+0x50/0x90 [ 1184.078034][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1184.082620][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1184.087562][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1184.092418][T18875] do_syscall_64+0xb0/0x150 [ 1184.096919][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1184.102796][T18875] [ 1184.105116][T18875] Uninit was stored to memory at: [ 1184.110144][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1184.115861][T18875] __msan_chain_origin+0x50/0x90 [ 1184.120799][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1184.125386][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1184.130319][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1184.135170][T18875] do_syscall_64+0xb0/0x150 [ 1184.139674][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1184.145548][T18875] [ 1184.147870][T18875] Uninit was stored to memory at: [ 1184.152897][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1184.158704][T18875] __msan_chain_origin+0x50/0x90 [ 1184.163640][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1184.168234][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1184.173166][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1184.178018][T18875] do_syscall_64+0xb0/0x150 [ 1184.182518][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1184.188397][T18875] [ 1184.190715][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1184.198517][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1184.202929][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1184.343855][T18875] not chained 5120000 origins [ 1184.348557][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1184.359636][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1184.369755][T18875] Call Trace: [ 1184.373026][T18875] dump_stack+0x1df/0x240 [ 1184.377546][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1184.383334][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1184.388458][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1184.394422][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1184.399688][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1184.404875][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1184.410683][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1184.416733][T18875] ? kfree+0x61/0x30f0 [ 1184.420782][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1184.425867][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1184.431390][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1184.437436][T18875] ? _copy_from_user+0x15b/0x260 [ 1184.442350][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1184.447452][T18875] __msan_chain_origin+0x50/0x90 [ 1184.452462][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1184.457047][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1184.462308][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1184.467394][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1184.472416][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1184.478382][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1184.483426][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1184.488270][T18875] do_syscall_64+0xb0/0x150 [ 1184.492903][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1184.498789][T18875] RIP: 0033:0x45c1d9 [ 1184.502658][T18875] Code: Bad RIP value. [ 1184.506705][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1184.516411][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1184.524362][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1184.532316][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1184.540264][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1184.548218][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1184.557222][T18875] Uninit was stored to memory at: [ 1184.562239][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1184.567931][T18875] __msan_chain_origin+0x50/0x90 [ 1184.572843][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1184.577412][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1184.582324][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1184.587164][T18875] do_syscall_64+0xb0/0x150 [ 1184.591654][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1184.597529][T18875] [ 1184.599830][T18875] Uninit was stored to memory at: [ 1184.604845][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1184.610540][T18875] __msan_chain_origin+0x50/0x90 [ 1184.615453][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1184.620019][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1184.624930][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1184.629772][T18875] do_syscall_64+0xb0/0x150 [ 1184.634265][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1184.640124][T18875] [ 1184.642425][T18875] Uninit was stored to memory at: [ 1184.647424][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1184.653135][T18875] __msan_chain_origin+0x50/0x90 [ 1184.658051][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1184.662614][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1184.667525][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1184.672352][T18875] do_syscall_64+0xb0/0x150 [ 1184.676836][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1184.682697][T18875] [ 1184.684998][T18875] Uninit was stored to memory at: [ 1184.689998][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1184.695692][T18875] __msan_chain_origin+0x50/0x90 [ 1184.700605][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1184.705170][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1184.710083][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1184.714921][T18875] do_syscall_64+0xb0/0x150 [ 1184.719413][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1184.725286][T18875] [ 1184.727586][T18875] Uninit was stored to memory at: [ 1184.732589][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1184.738282][T18875] __msan_chain_origin+0x50/0x90 [ 1184.743292][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1184.748390][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1184.753315][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1184.758158][T18875] do_syscall_64+0xb0/0x150 [ 1184.762638][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1184.768946][T18875] [ 1184.771332][T18875] Uninit was stored to memory at: [ 1184.776334][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1184.782040][T18875] __msan_chain_origin+0x50/0x90 [ 1184.786957][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1184.791623][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1184.796643][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1184.801493][T18875] do_syscall_64+0xb0/0x150 [ 1184.805990][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1184.811855][T18875] [ 1184.814161][T18875] Uninit was stored to memory at: [ 1184.819272][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1184.824970][T18875] __msan_chain_origin+0x50/0x90 [ 1184.829933][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1184.834515][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1184.839444][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1184.844301][T18875] do_syscall_64+0xb0/0x150 [ 1184.848784][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1184.854698][T18875] [ 1184.857003][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1184.863791][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1184.868194][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1185.022730][T18875] not chained 5130000 origins [ 1185.027449][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1185.036117][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1185.046194][T18875] Call Trace: [ 1185.049491][T18875] dump_stack+0x1df/0x240 [ 1185.053827][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1185.059552][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1185.064667][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1185.070576][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1185.075865][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1185.081175][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1185.086993][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1185.093180][T18875] ? kfree+0x61/0x30f0 [ 1185.097267][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1185.102381][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1185.107932][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1185.114005][T18875] ? _copy_from_user+0x15b/0x260 [ 1185.118943][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1185.124157][T18875] __msan_chain_origin+0x50/0x90 [ 1185.129126][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1185.133752][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1185.139039][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1185.144066][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1185.149089][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1185.154990][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1185.159941][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1185.164793][T18875] do_syscall_64+0xb0/0x150 [ 1185.169332][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1185.175217][T18875] RIP: 0033:0x45c1d9 [ 1185.179103][T18875] Code: Bad RIP value. [ 1185.183163][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1185.191575][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1185.199554][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1185.207533][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1185.215674][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1185.223648][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1185.231632][T18875] Uninit was stored to memory at: [ 1185.236660][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1185.242376][T18875] __msan_chain_origin+0x50/0x90 [ 1185.247314][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1185.251900][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1185.256834][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1185.261682][T18875] do_syscall_64+0xb0/0x150 [ 1185.266185][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1185.273367][T18875] [ 1185.275687][T18875] Uninit was stored to memory at: [ 1185.280714][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1185.286436][T18875] __msan_chain_origin+0x50/0x90 [ 1185.291374][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1185.295965][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1185.300906][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1185.305755][T18875] do_syscall_64+0xb0/0x150 [ 1185.310263][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1185.316148][T18875] [ 1185.318468][T18875] Uninit was stored to memory at: [ 1185.324099][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1185.329816][T18875] __msan_chain_origin+0x50/0x90 [ 1185.335791][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1185.340378][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1185.345316][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1185.350169][T18875] do_syscall_64+0xb0/0x150 [ 1185.354675][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1185.360552][T18875] [ 1185.362870][T18875] Uninit was stored to memory at: [ 1185.367896][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1185.373611][T18875] __msan_chain_origin+0x50/0x90 [ 1185.378552][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1185.383143][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1185.388083][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1185.392934][T18875] do_syscall_64+0xb0/0x150 [ 1185.397436][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1185.403313][T18875] [ 1185.405654][T18875] Uninit was stored to memory at: [ 1185.410678][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1185.416395][T18875] __msan_chain_origin+0x50/0x90 [ 1185.421330][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1185.425916][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1185.430852][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1185.435699][T18875] do_syscall_64+0xb0/0x150 [ 1185.440203][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1185.446083][T18875] [ 1185.448401][T18875] Uninit was stored to memory at: [ 1185.453424][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1185.459140][T18875] __msan_chain_origin+0x50/0x90 [ 1185.464078][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1185.468667][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1185.473603][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1185.478455][T18875] do_syscall_64+0xb0/0x150 [ 1185.482958][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1185.488837][T18875] [ 1185.491157][T18875] Uninit was stored to memory at: [ 1185.496183][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1185.501898][T18875] __msan_chain_origin+0x50/0x90 [ 1185.506834][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1185.511421][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1185.516355][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1185.521246][T18875] do_syscall_64+0xb0/0x150 [ 1185.525743][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1185.531618][T18875] [ 1185.533938][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1185.540611][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1185.545032][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1185.702031][T18875] not chained 5140000 origins [ 1185.706750][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1185.715413][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1185.725466][T18875] Call Trace: [ 1185.728769][T18875] dump_stack+0x1df/0x240 [ 1185.733103][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1185.738823][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1185.743940][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1185.749879][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1185.755164][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1185.760361][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1185.766169][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1185.772241][T18875] ? kfree+0x61/0x30f0 [ 1185.776311][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1185.781511][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1185.787079][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1185.793153][T18875] ? _copy_from_user+0x15b/0x260 [ 1185.798126][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1185.803238][T18875] __msan_chain_origin+0x50/0x90 [ 1185.808206][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1185.812827][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1185.818113][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1185.823344][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1185.828383][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1185.834288][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1185.839243][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1185.844101][T18875] do_syscall_64+0xb0/0x150 [ 1185.848610][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1185.854497][T18875] RIP: 0033:0x45c1d9 [ 1185.858430][T18875] Code: Bad RIP value. [ 1185.862488][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1185.870901][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1185.878870][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1185.886837][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1185.894806][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1185.902776][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1185.910753][T18875] Uninit was stored to memory at: [ 1185.915779][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1185.921498][T18875] __msan_chain_origin+0x50/0x90 [ 1185.926436][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1185.931027][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1185.935960][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1185.940811][T18875] do_syscall_64+0xb0/0x150 [ 1185.945313][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1185.951195][T18875] [ 1185.953510][T18875] Uninit was stored to memory at: [ 1185.958547][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1185.964263][T18875] __msan_chain_origin+0x50/0x90 [ 1185.969201][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1185.973788][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1185.978722][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1185.983575][T18875] do_syscall_64+0xb0/0x150 [ 1185.988076][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1185.993954][T18875] [ 1185.996274][T18875] Uninit was stored to memory at: [ 1186.001300][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1186.007016][T18875] __msan_chain_origin+0x50/0x90 [ 1186.011951][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1186.016545][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1186.021482][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1186.026334][T18875] do_syscall_64+0xb0/0x150 [ 1186.030837][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1186.036715][T18875] [ 1186.039033][T18875] Uninit was stored to memory at: [ 1186.044056][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1186.049773][T18875] __msan_chain_origin+0x50/0x90 [ 1186.054708][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1186.059294][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1186.064228][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1186.069084][T18875] do_syscall_64+0xb0/0x150 [ 1186.073610][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1186.079489][T18875] [ 1186.081807][T18875] Uninit was stored to memory at: [ 1186.086832][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1186.092550][T18875] __msan_chain_origin+0x50/0x90 [ 1186.097488][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1186.102089][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1186.107028][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1186.111877][T18875] do_syscall_64+0xb0/0x150 [ 1186.116376][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1186.122254][T18875] [ 1186.124571][T18875] Uninit was stored to memory at: [ 1186.129595][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1186.135309][T18875] __msan_chain_origin+0x50/0x90 [ 1186.140251][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1186.144845][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1186.149788][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1186.154639][T18875] do_syscall_64+0xb0/0x150 [ 1186.159146][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1186.165024][T18875] [ 1186.167345][T18875] Uninit was stored to memory at: [ 1186.172371][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1186.178089][T18875] __msan_chain_origin+0x50/0x90 [ 1186.183028][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1186.187615][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1186.192552][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1186.197402][T18875] do_syscall_64+0xb0/0x150 [ 1186.201907][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1186.207783][T18875] [ 1186.210106][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1186.216798][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1186.221215][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1186.379428][T18875] not chained 5150000 origins [ 1186.384143][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1186.392808][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1186.402859][T18875] Call Trace: [ 1186.406155][T18875] dump_stack+0x1df/0x240 [ 1186.410493][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1186.416210][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1186.421336][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1186.427232][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1186.432522][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1186.437727][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1186.443544][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1186.449614][T18875] ? kfree+0x61/0x30f0 [ 1186.453688][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1186.458798][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1186.464348][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1186.470422][T18875] ? _copy_from_user+0x15b/0x260 [ 1186.475362][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1186.480477][T18875] __msan_chain_origin+0x50/0x90 [ 1186.485423][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1186.490050][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1186.495338][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1186.500362][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1186.505408][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1186.511313][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1186.516266][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1186.521123][T18875] do_syscall_64+0xb0/0x150 [ 1186.525630][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1186.531519][T18875] RIP: 0033:0x45c1d9 [ 1186.535406][T18875] Code: Bad RIP value. [ 1186.539465][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1186.547874][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1186.555844][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1186.563813][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1186.571788][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1186.579757][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1186.587734][T18875] Uninit was stored to memory at: [ 1186.592766][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1186.598494][T18875] __msan_chain_origin+0x50/0x90 [ 1186.603435][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1186.608024][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1186.612961][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1186.617898][T18875] do_syscall_64+0xb0/0x150 [ 1186.623186][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1186.629063][T18875] [ 1186.631467][T18875] Uninit was stored to memory at: [ 1186.636494][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1186.642209][T18875] __msan_chain_origin+0x50/0x90 [ 1186.647231][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1186.651819][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1186.656780][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1186.661640][T18875] do_syscall_64+0xb0/0x150 [ 1186.666240][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1186.672757][T18875] [ 1186.675080][T18875] Uninit was stored to memory at: [ 1186.680106][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1186.685824][T18875] __msan_chain_origin+0x50/0x90 [ 1186.690937][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1186.695546][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1186.700489][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1186.705342][T18875] do_syscall_64+0xb0/0x150 [ 1186.709869][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1186.715751][T18875] [ 1186.718072][T18875] Uninit was stored to memory at: [ 1186.723100][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1186.728819][T18875] __msan_chain_origin+0x50/0x90 [ 1186.733761][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1186.738350][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1186.743286][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1186.748137][T18875] do_syscall_64+0xb0/0x150 [ 1186.752641][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1186.758636][T18875] [ 1186.760962][T18875] Uninit was stored to memory at: [ 1186.765995][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1186.771720][T18875] __msan_chain_origin+0x50/0x90 [ 1186.776659][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1186.781247][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1186.786196][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1186.791188][T18875] do_syscall_64+0xb0/0x150 [ 1186.795723][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1186.801608][T18875] [ 1186.803930][T18875] Uninit was stored to memory at: [ 1186.808969][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1186.814691][T18875] __msan_chain_origin+0x50/0x90 [ 1186.819629][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1186.824310][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1186.829334][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1186.834185][T18875] do_syscall_64+0xb0/0x150 [ 1186.838691][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1186.844570][T18875] [ 1186.846891][T18875] Uninit was stored to memory at: [ 1186.851918][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1186.857638][T18875] __msan_chain_origin+0x50/0x90 [ 1186.862581][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1186.867170][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1186.872111][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1186.876963][T18875] do_syscall_64+0xb0/0x150 [ 1186.881469][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1186.887347][T18875] [ 1186.889673][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1186.896352][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1186.900769][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1187.055992][T18875] not chained 5160000 origins [ 1187.060710][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1187.069374][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1187.079425][T18875] Call Trace: [ 1187.082719][T18875] dump_stack+0x1df/0x240 [ 1187.087057][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1187.092775][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1187.097890][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1187.103787][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1187.109076][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1187.114279][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1187.120087][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1187.126158][T18875] ? kfree+0x61/0x30f0 [ 1187.130233][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1187.135348][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1187.140896][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1187.147056][T18875] ? _copy_from_user+0x15b/0x260 [ 1187.151997][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1187.157718][T18875] __msan_chain_origin+0x50/0x90 [ 1187.162671][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1187.167295][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1187.172583][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1187.177614][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1187.182986][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1187.188883][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1187.193832][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1187.198688][T18875] do_syscall_64+0xb0/0x150 [ 1187.203283][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1187.209190][T18875] RIP: 0033:0x45c1d9 [ 1187.213073][T18875] Code: Bad RIP value. [ 1187.217305][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1187.225798][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1187.233768][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1187.241737][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1187.249704][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1187.257682][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1187.265747][T18875] Uninit was stored to memory at: [ 1187.270780][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1187.276501][T18875] __msan_chain_origin+0x50/0x90 [ 1187.281436][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1187.286024][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1187.290959][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1187.295811][T18875] do_syscall_64+0xb0/0x150 [ 1187.300315][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1187.306196][T18875] [ 1187.308514][T18875] Uninit was stored to memory at: [ 1187.313540][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1187.319256][T18875] __msan_chain_origin+0x50/0x90 [ 1187.324196][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1187.328787][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1187.333720][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1187.338570][T18875] do_syscall_64+0xb0/0x150 [ 1187.343070][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1187.348947][T18875] [ 1187.351267][T18875] Uninit was stored to memory at: [ 1187.356291][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1187.362009][T18875] __msan_chain_origin+0x50/0x90 [ 1187.366948][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1187.371534][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1187.378205][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1187.383141][T18875] do_syscall_64+0xb0/0x150 [ 1187.387647][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1187.393528][T18875] [ 1187.395845][T18875] Uninit was stored to memory at: [ 1187.400874][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1187.406592][T18875] __msan_chain_origin+0x50/0x90 [ 1187.411531][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1187.416117][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1187.421068][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1187.425926][T18875] do_syscall_64+0xb0/0x150 [ 1187.430430][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1187.436573][T18875] [ 1187.438891][T18875] Uninit was stored to memory at: [ 1187.443920][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1187.449637][T18875] __msan_chain_origin+0x50/0x90 [ 1187.454573][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1187.459161][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1187.464094][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1187.468947][T18875] do_syscall_64+0xb0/0x150 [ 1187.473449][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1187.479328][T18875] [ 1187.481649][T18875] Uninit was stored to memory at: [ 1187.486683][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1187.492401][T18875] __msan_chain_origin+0x50/0x90 [ 1187.497343][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1187.501961][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1187.506899][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1187.511749][T18875] do_syscall_64+0xb0/0x150 [ 1187.516255][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1187.522134][T18875] [ 1187.524456][T18875] Uninit was stored to memory at: [ 1187.529479][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1187.535197][T18875] __msan_chain_origin+0x50/0x90 [ 1187.540134][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1187.544727][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1187.549667][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1187.554517][T18875] do_syscall_64+0xb0/0x150 [ 1187.559023][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1187.564907][T18875] [ 1187.567225][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1187.573899][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1187.578397][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1187.738054][T18875] not chained 5170000 origins [ 1187.742781][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1187.751446][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1187.761498][T18875] Call Trace: [ 1187.764794][T18875] dump_stack+0x1df/0x240 [ 1187.769137][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1187.774858][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1187.779971][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1187.785870][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1187.791171][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1187.796388][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1187.802205][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1187.808277][T18875] ? kfree+0x61/0x30f0 [ 1187.812434][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1187.817569][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1187.823133][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1187.829211][T18875] ? _copy_from_user+0x15b/0x260 [ 1187.834150][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1187.839263][T18875] __msan_chain_origin+0x50/0x90 [ 1187.845075][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1187.849701][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1187.854991][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1187.860019][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1187.865046][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1187.870945][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1187.875892][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1187.880753][T18875] do_syscall_64+0xb0/0x150 [ 1187.885263][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1187.891149][T18875] RIP: 0033:0x45c1d9 [ 1187.895029][T18875] Code: Bad RIP value. [ 1187.899089][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1187.907498][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1187.915465][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1187.923434][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1187.931403][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1187.939375][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1187.948327][T18875] Uninit was stored to memory at: [ 1187.953357][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1187.959103][T18875] __msan_chain_origin+0x50/0x90 [ 1187.964041][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1187.968630][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1187.973565][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1187.978423][T18875] do_syscall_64+0xb0/0x150 [ 1187.982928][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1187.988805][T18875] [ 1187.991130][T18875] Uninit was stored to memory at: [ 1187.996153][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1188.001874][T18875] __msan_chain_origin+0x50/0x90 [ 1188.006820][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1188.011406][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1188.016343][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1188.021197][T18875] do_syscall_64+0xb0/0x150 [ 1188.025721][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1188.031598][T18875] [ 1188.033917][T18875] Uninit was stored to memory at: [ 1188.038945][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1188.044661][T18875] __msan_chain_origin+0x50/0x90 [ 1188.049606][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1188.054226][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1188.059171][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1188.064023][T18875] do_syscall_64+0xb0/0x150 [ 1188.068528][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1188.074434][T18875] [ 1188.076755][T18875] Uninit was stored to memory at: [ 1188.081782][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1188.087497][T18875] __msan_chain_origin+0x50/0x90 [ 1188.092440][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1188.097026][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1188.101960][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1188.106815][T18875] do_syscall_64+0xb0/0x150 [ 1188.111319][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1188.117199][T18875] [ 1188.119515][T18875] Uninit was stored to memory at: [ 1188.124539][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1188.130270][T18875] __msan_chain_origin+0x50/0x90 [ 1188.135209][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1188.139801][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1188.144753][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1188.149608][T18875] do_syscall_64+0xb0/0x150 [ 1188.154115][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1188.159996][T18875] [ 1188.162321][T18875] Uninit was stored to memory at: [ 1188.167348][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1188.173064][T18875] __msan_chain_origin+0x50/0x90 [ 1188.178000][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1188.182593][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1188.187527][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1188.192378][T18875] do_syscall_64+0xb0/0x150 [ 1188.196880][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1188.202759][T18875] [ 1188.205076][T18875] Uninit was stored to memory at: [ 1188.210100][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1188.215817][T18875] __msan_chain_origin+0x50/0x90 [ 1188.220760][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1188.225348][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1188.230283][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1188.235134][T18875] do_syscall_64+0xb0/0x150 [ 1188.239634][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1188.245514][T18875] [ 1188.248007][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1188.254685][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1188.259100][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1188.400836][T18875] not chained 5180000 origins [ 1188.405717][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1188.414362][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1188.424483][T18875] Call Trace: [ 1188.427778][T18875] dump_stack+0x1df/0x240 [ 1188.432263][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1188.437958][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1188.443046][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1188.448916][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1188.454177][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1188.459797][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1188.465583][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1188.471634][T18875] ? kfree+0x61/0x30f0 [ 1188.475681][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1188.480858][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1188.486528][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1188.493134][T18875] ? _copy_from_user+0x15b/0x260 [ 1188.498092][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1188.503180][T18875] __msan_chain_origin+0x50/0x90 [ 1188.508110][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1188.513921][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1188.519316][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1188.524323][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1188.529533][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1188.535415][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1188.540339][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1188.545448][T18875] do_syscall_64+0xb0/0x150 [ 1188.549932][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1188.555799][T18875] RIP: 0033:0x45c1d9 [ 1188.559813][T18875] Code: Bad RIP value. [ 1188.563863][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1188.572256][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1188.580210][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1188.588940][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1188.596946][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1188.604908][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1188.612977][T18875] Uninit was stored to memory at: [ 1188.617988][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1188.623685][T18875] __msan_chain_origin+0x50/0x90 [ 1188.628601][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1188.633166][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1188.638097][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1188.642941][T18875] do_syscall_64+0xb0/0x150 [ 1188.647531][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1188.653398][T18875] [ 1188.655702][T18875] Uninit was stored to memory at: [ 1188.660704][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1188.666401][T18875] __msan_chain_origin+0x50/0x90 [ 1188.671321][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1188.675888][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1188.680892][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1188.685722][T18875] do_syscall_64+0xb0/0x150 [ 1188.690207][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1188.696083][T18875] [ 1188.698394][T18875] Uninit was stored to memory at: [ 1188.703400][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1188.709096][T18875] __msan_chain_origin+0x50/0x90 [ 1188.714011][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1188.718580][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1188.723511][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1188.728365][T18875] do_syscall_64+0xb0/0x150 [ 1188.732844][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1188.738706][T18875] [ 1188.741009][T18875] Uninit was stored to memory at: [ 1188.746025][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1188.751745][T18875] __msan_chain_origin+0x50/0x90 [ 1188.756676][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1188.761246][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1188.766158][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1188.770989][T18875] do_syscall_64+0xb0/0x150 [ 1188.775489][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1188.781355][T18875] [ 1188.783665][T18875] Uninit was stored to memory at: [ 1188.788687][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1188.794390][T18875] __msan_chain_origin+0x50/0x90 [ 1188.799306][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1188.803872][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1188.808785][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1188.813610][T18875] do_syscall_64+0xb0/0x150 [ 1188.818091][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1188.823951][T18875] [ 1188.826253][T18875] Uninit was stored to memory at: [ 1188.831269][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1188.837090][T18875] __msan_chain_origin+0x50/0x90 [ 1188.842027][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1188.846596][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1188.851512][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1188.856337][T18875] do_syscall_64+0xb0/0x150 [ 1188.860837][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1188.866700][T18875] [ 1188.869003][T18875] Uninit was stored to memory at: [ 1188.874028][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1188.879721][T18875] __msan_chain_origin+0x50/0x90 [ 1188.884637][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1188.889203][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1188.894117][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1188.898947][T18875] do_syscall_64+0xb0/0x150 [ 1188.903443][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1188.909305][T18875] [ 1188.911607][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1188.918257][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1188.922647][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1189.079476][T18875] not chained 5190000 origins [ 1189.084199][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1189.092865][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1189.102920][T18875] Call Trace: [ 1189.106224][T18875] dump_stack+0x1df/0x240 [ 1189.110564][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1189.116284][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1189.121399][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1189.127295][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1189.132583][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1189.138393][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1189.144203][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1189.150272][T18875] ? kfree+0x61/0x30f0 [ 1189.154349][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1189.159459][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1189.165006][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1189.171081][T18875] ? _copy_from_user+0x15b/0x260 [ 1189.176021][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1189.181140][T18875] __msan_chain_origin+0x50/0x90 [ 1189.186087][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1189.190719][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1189.196010][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1189.201060][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1189.206089][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1189.211989][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1189.216939][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1189.222488][T18875] do_syscall_64+0xb0/0x150 [ 1189.226999][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1189.232887][T18875] RIP: 0033:0x45c1d9 [ 1189.236770][T18875] Code: Bad RIP value. [ 1189.240830][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1189.249330][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1189.257301][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1189.266055][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1189.274025][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1189.281995][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1189.289973][T18875] Uninit was stored to memory at: [ 1189.295000][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1189.300718][T18875] __msan_chain_origin+0x50/0x90 [ 1189.305657][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1189.310253][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1189.315191][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1189.320049][T18875] do_syscall_64+0xb0/0x150 [ 1189.324555][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1189.330435][T18875] [ 1189.332758][T18875] Uninit was stored to memory at: [ 1189.337782][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1189.343501][T18875] __msan_chain_origin+0x50/0x90 [ 1189.348436][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1189.353021][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1189.357955][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1189.362803][T18875] do_syscall_64+0xb0/0x150 [ 1189.367304][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1189.373184][T18875] [ 1189.375509][T18875] Uninit was stored to memory at: [ 1189.380540][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1189.386255][T18875] __msan_chain_origin+0x50/0x90 [ 1189.391227][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1189.395817][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1189.400756][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1189.405608][T18875] do_syscall_64+0xb0/0x150 [ 1189.410113][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1189.416001][T18875] [ 1189.418319][T18875] Uninit was stored to memory at: [ 1189.423344][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1189.429061][T18875] __msan_chain_origin+0x50/0x90 [ 1189.434094][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1189.438684][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1189.443621][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1189.448560][T18875] do_syscall_64+0xb0/0x150 [ 1189.453065][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1189.458945][T18875] [ 1189.461361][T18875] Uninit was stored to memory at: [ 1189.466385][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1189.472102][T18875] __msan_chain_origin+0x50/0x90 [ 1189.477043][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1189.481627][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1189.486581][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1189.491432][T18875] do_syscall_64+0xb0/0x150 [ 1189.495934][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1189.501812][T18875] [ 1189.504132][T18875] Uninit was stored to memory at: [ 1189.509167][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1189.514884][T18875] __msan_chain_origin+0x50/0x90 [ 1189.519822][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1189.524410][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1189.529363][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1189.534212][T18875] do_syscall_64+0xb0/0x150 [ 1189.538717][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1189.544616][T18875] [ 1189.546933][T18875] Uninit was stored to memory at: [ 1189.551955][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1189.557670][T18875] __msan_chain_origin+0x50/0x90 [ 1189.562607][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1189.567282][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1189.572216][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1189.577071][T18875] do_syscall_64+0xb0/0x150 [ 1189.581574][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1189.587457][T18875] [ 1189.589777][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1189.596467][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1189.600883][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1189.757222][T18875] not chained 5200000 origins [ 1189.761950][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1189.770618][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1189.780792][T18875] Call Trace: [ 1189.784103][T18875] dump_stack+0x1df/0x240 [ 1189.788466][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1189.794191][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1189.799311][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1189.805331][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1189.810632][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1189.815847][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1189.821750][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1189.827827][T18875] ? kfree+0x61/0x30f0 [ 1189.831905][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1189.837022][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1189.842573][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1189.848704][T18875] ? _copy_from_user+0x15b/0x260 [ 1189.853658][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1189.858776][T18875] __msan_chain_origin+0x50/0x90 [ 1189.863730][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1189.868356][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1189.873642][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1189.878669][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1189.883694][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1189.889592][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1189.894553][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1189.899409][T18875] do_syscall_64+0xb0/0x150 [ 1189.903918][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1189.909809][T18875] RIP: 0033:0x45c1d9 [ 1189.913691][T18875] Code: Bad RIP value. [ 1189.917752][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1189.926159][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1189.934160][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1189.942130][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1189.950105][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1189.958091][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1189.966071][T18875] Uninit was stored to memory at: [ 1189.971108][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1189.976953][T18875] __msan_chain_origin+0x50/0x90 [ 1189.981893][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1189.986480][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1189.991413][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1189.996263][T18875] do_syscall_64+0xb0/0x150 [ 1190.000766][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1190.006645][T18875] [ 1190.008966][T18875] Uninit was stored to memory at: [ 1190.013990][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1190.019710][T18875] __msan_chain_origin+0x50/0x90 [ 1190.024646][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1190.029239][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1190.034177][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1190.039027][T18875] do_syscall_64+0xb0/0x150 [ 1190.043534][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1190.049413][T18875] [ 1190.051730][T18875] Uninit was stored to memory at: [ 1190.056754][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1190.062468][T18875] __msan_chain_origin+0x50/0x90 [ 1190.067406][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1190.071994][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1190.076930][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1190.081780][T18875] do_syscall_64+0xb0/0x150 [ 1190.086283][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1190.092164][T18875] [ 1190.094484][T18875] Uninit was stored to memory at: [ 1190.099507][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1190.105229][T18875] __msan_chain_origin+0x50/0x90 [ 1190.110168][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1190.114755][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1190.119690][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1190.124540][T18875] do_syscall_64+0xb0/0x150 [ 1190.129045][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1190.134927][T18875] [ 1190.137246][T18875] Uninit was stored to memory at: [ 1190.142271][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1190.148088][T18875] __msan_chain_origin+0x50/0x90 [ 1190.153025][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1190.157611][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1190.162545][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1190.167395][T18875] do_syscall_64+0xb0/0x150 [ 1190.171896][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1190.177773][T18875] [ 1190.180095][T18875] Uninit was stored to memory at: [ 1190.185121][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1190.190854][T18875] __msan_chain_origin+0x50/0x90 [ 1190.195790][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1190.200384][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1190.205322][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1190.210175][T18875] do_syscall_64+0xb0/0x150 [ 1190.214679][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1190.220558][T18875] [ 1190.222877][T18875] Uninit was stored to memory at: [ 1190.227906][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1190.233622][T18875] __msan_chain_origin+0x50/0x90 [ 1190.238558][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1190.243146][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1190.248088][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1190.252938][T18875] do_syscall_64+0xb0/0x150 [ 1190.257441][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1190.263317][T18875] [ 1190.265640][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1190.272314][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1190.276732][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1190.430943][T18875] not chained 5210000 origins [ 1190.435662][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1190.444327][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1190.454398][T18875] Call Trace: [ 1190.457696][T18875] dump_stack+0x1df/0x240 [ 1190.462034][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1190.467878][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1190.472991][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1190.478886][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1190.484177][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1190.489382][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1190.495191][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1190.501344][T18875] ? kfree+0x61/0x30f0 [ 1190.505427][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1190.510541][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1190.516112][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1190.522198][T18875] ? _copy_from_user+0x15b/0x260 [ 1190.527151][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1190.532264][T18875] __msan_chain_origin+0x50/0x90 [ 1190.537211][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1190.541834][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1190.547128][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1190.552160][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1190.557187][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1190.563520][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1190.568470][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1190.573336][T18875] do_syscall_64+0xb0/0x150 [ 1190.577852][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1190.583749][T18875] RIP: 0033:0x45c1d9 [ 1190.587633][T18875] Code: Bad RIP value. [ 1190.591695][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1190.600103][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1190.608075][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1190.616052][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1190.624024][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1190.631995][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1190.639980][T18875] Uninit was stored to memory at: [ 1190.645009][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1190.650755][T18875] __msan_chain_origin+0x50/0x90 [ 1190.655691][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1190.660279][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1190.665219][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1190.670071][T18875] do_syscall_64+0xb0/0x150 [ 1190.674575][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1190.680455][T18875] [ 1190.682776][T18875] Uninit was stored to memory at: [ 1190.687800][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1190.693516][T18875] __msan_chain_origin+0x50/0x90 [ 1190.698452][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1190.703047][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1190.707983][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1190.712832][T18875] do_syscall_64+0xb0/0x150 [ 1190.717335][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1190.723215][T18875] [ 1190.725562][T18875] Uninit was stored to memory at: [ 1190.730590][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1190.736310][T18875] __msan_chain_origin+0x50/0x90 [ 1190.741248][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1190.745839][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1190.750777][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1190.755628][T18875] do_syscall_64+0xb0/0x150 [ 1190.760129][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1190.766014][T18875] [ 1190.768334][T18875] Uninit was stored to memory at: [ 1190.773374][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1190.779106][T18875] __msan_chain_origin+0x50/0x90 [ 1190.784051][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1190.788653][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1190.793610][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1190.798472][T18875] do_syscall_64+0xb0/0x150 [ 1190.802987][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1190.808874][T18875] [ 1190.811199][T18875] Uninit was stored to memory at: [ 1190.816231][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1190.821961][T18875] __msan_chain_origin+0x50/0x90 [ 1190.826903][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1190.831496][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1190.836440][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1190.841292][T18875] do_syscall_64+0xb0/0x150 [ 1190.845795][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1190.851674][T18875] [ 1190.853995][T18875] Uninit was stored to memory at: [ 1190.859460][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1190.865613][T18875] __msan_chain_origin+0x50/0x90 [ 1190.870555][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1190.875146][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1190.880091][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1190.884943][T18875] do_syscall_64+0xb0/0x150 [ 1190.889455][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1190.895373][T18875] [ 1190.897701][T18875] Uninit was stored to memory at: [ 1190.902729][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1190.908445][T18875] __msan_chain_origin+0x50/0x90 [ 1190.913414][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1190.918006][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1190.922942][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1190.927792][T18875] do_syscall_64+0xb0/0x150 [ 1190.932293][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1190.938170][T18875] [ 1190.940490][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1190.947165][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1190.952015][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1191.106656][T18875] not chained 5220000 origins [ 1191.111476][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1191.120140][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1191.130192][T18875] Call Trace: [ 1191.133489][T18875] dump_stack+0x1df/0x240 [ 1191.137827][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1191.143554][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1191.148676][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1191.154576][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1191.159863][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1191.165065][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1191.170878][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1191.176945][T18875] ? kfree+0x61/0x30f0 [ 1191.181016][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1191.186202][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1191.191753][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1191.197827][T18875] ? _copy_from_user+0x15b/0x260 [ 1191.202765][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1191.207881][T18875] __msan_chain_origin+0x50/0x90 [ 1191.212826][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1191.217450][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1191.222739][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1191.227765][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1191.232796][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1191.238695][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1191.243645][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1191.248503][T18875] do_syscall_64+0xb0/0x150 [ 1191.253013][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1191.258903][T18875] RIP: 0033:0x45c1d9 [ 1191.262792][T18875] Code: Bad RIP value. [ 1191.266852][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1191.275272][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1191.283252][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1191.291381][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1191.299365][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1191.307341][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1191.315319][T18875] Uninit was stored to memory at: [ 1191.320346][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1191.326065][T18875] __msan_chain_origin+0x50/0x90 [ 1191.331003][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1191.335593][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1191.340536][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1191.345387][T18875] do_syscall_64+0xb0/0x150 [ 1191.349894][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1191.355910][T18875] [ 1191.358241][T18875] Uninit was stored to memory at: [ 1191.363271][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1191.368993][T18875] __msan_chain_origin+0x50/0x90 [ 1191.373929][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1191.378521][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1191.383718][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1191.388574][T18875] do_syscall_64+0xb0/0x150 [ 1191.393078][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1191.398955][T18875] [ 1191.401274][T18875] Uninit was stored to memory at: [ 1191.406321][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1191.412065][T18875] __msan_chain_origin+0x50/0x90 [ 1191.417006][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1191.421623][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1191.426567][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1191.431419][T18875] do_syscall_64+0xb0/0x150 [ 1191.435933][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1191.441822][T18875] [ 1191.444155][T18875] Uninit was stored to memory at: [ 1191.449185][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1191.454910][T18875] __msan_chain_origin+0x50/0x90 [ 1191.459849][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1191.464473][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1191.469412][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1191.474263][T18875] do_syscall_64+0xb0/0x150 [ 1191.478771][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1191.484648][T18875] [ 1191.486969][T18875] Uninit was stored to memory at: [ 1191.491995][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1191.497711][T18875] __msan_chain_origin+0x50/0x90 [ 1191.502651][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1191.507238][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1191.512184][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1191.517032][T18875] do_syscall_64+0xb0/0x150 [ 1191.521545][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1191.527424][T18875] [ 1191.529745][T18875] Uninit was stored to memory at: [ 1191.534770][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1191.540489][T18875] __msan_chain_origin+0x50/0x90 [ 1191.545424][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1191.550014][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1191.554956][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1191.559807][T18875] do_syscall_64+0xb0/0x150 [ 1191.564311][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1191.570188][T18875] [ 1191.572509][T18875] Uninit was stored to memory at: [ 1191.577535][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1191.583253][T18875] __msan_chain_origin+0x50/0x90 [ 1191.588193][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1191.592797][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1191.597753][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1191.602609][T18875] do_syscall_64+0xb0/0x150 [ 1191.607116][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1191.613003][T18875] [ 1191.615330][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1191.622018][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1191.626444][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1191.787927][T18875] not chained 5230000 origins [ 1191.792655][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1191.801321][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1191.811401][T18875] Call Trace: [ 1191.814716][T18875] dump_stack+0x1df/0x240 [ 1191.819072][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1191.824805][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1191.829922][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1191.835821][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1191.841120][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1191.846339][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1191.852156][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1191.858226][T18875] ? kfree+0x61/0x30f0 [ 1191.862302][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1191.867414][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1191.873397][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1191.879481][T18875] ? _copy_from_user+0x15b/0x260 [ 1191.884428][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1191.889547][T18875] __msan_chain_origin+0x50/0x90 [ 1191.894495][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1191.899120][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1191.904412][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1191.909440][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1191.914467][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1191.920367][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1191.925315][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1191.930171][T18875] do_syscall_64+0xb0/0x150 [ 1191.934680][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1191.940576][T18875] RIP: 0033:0x45c1d9 [ 1191.944460][T18875] Code: Bad RIP value. [ 1191.948521][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1191.956928][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1191.964898][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1191.972877][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1191.980855][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1191.988877][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1191.996858][T18875] Uninit was stored to memory at: [ 1192.001898][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1192.007658][T18875] __msan_chain_origin+0x50/0x90 [ 1192.012605][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1192.017192][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1192.022126][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1192.026980][T18875] do_syscall_64+0xb0/0x150 [ 1192.031485][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1192.037362][T18875] [ 1192.039685][T18875] Uninit was stored to memory at: [ 1192.044712][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1192.050429][T18875] __msan_chain_origin+0x50/0x90 [ 1192.055368][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1192.059958][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1192.064894][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1192.069747][T18875] do_syscall_64+0xb0/0x150 [ 1192.074335][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1192.080214][T18875] [ 1192.082532][T18875] Uninit was stored to memory at: [ 1192.087559][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1192.093282][T18875] __msan_chain_origin+0x50/0x90 [ 1192.098219][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1192.102809][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1192.107745][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1192.112601][T18875] do_syscall_64+0xb0/0x150 [ 1192.117107][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1192.122993][T18875] [ 1192.125311][T18875] Uninit was stored to memory at: [ 1192.130509][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1192.136228][T18875] __msan_chain_origin+0x50/0x90 [ 1192.141164][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1192.145755][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1192.150691][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1192.155539][T18875] do_syscall_64+0xb0/0x150 [ 1192.160048][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1192.165925][T18875] [ 1192.168246][T18875] Uninit was stored to memory at: [ 1192.173269][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1192.178986][T18875] __msan_chain_origin+0x50/0x90 [ 1192.183924][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1192.188515][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1192.193453][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1192.198394][T18875] do_syscall_64+0xb0/0x150 [ 1192.202900][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1192.208782][T18875] [ 1192.211103][T18875] Uninit was stored to memory at: [ 1192.216125][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1192.221846][T18875] __msan_chain_origin+0x50/0x90 [ 1192.227394][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1192.231982][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1192.236919][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1192.241772][T18875] do_syscall_64+0xb0/0x150 [ 1192.246276][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1192.252153][T18875] [ 1192.254471][T18875] Uninit was stored to memory at: [ 1192.259506][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1192.265396][T18875] __msan_chain_origin+0x50/0x90 [ 1192.270338][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1192.274928][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1192.279866][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1192.284719][T18875] do_syscall_64+0xb0/0x150 [ 1192.289221][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1192.295099][T18875] [ 1192.297425][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1192.304101][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1192.308517][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1192.461191][T18875] not chained 5240000 origins [ 1192.465886][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1192.474531][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1192.484663][T18875] Call Trace: [ 1192.487936][T18875] dump_stack+0x1df/0x240 [ 1192.492446][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1192.498160][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1192.503253][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1192.509127][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1192.514442][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1192.519621][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1192.525408][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1192.531453][T18875] ? kfree+0x61/0x30f0 [ 1192.535520][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1192.540609][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1192.546131][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1192.552179][T18875] ? _copy_from_user+0x15b/0x260 [ 1192.557100][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1192.562186][T18875] __msan_chain_origin+0x50/0x90 [ 1192.567105][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1192.571706][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1192.577057][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1192.582064][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1192.587070][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1192.592944][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1192.597878][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1192.602718][T18875] do_syscall_64+0xb0/0x150 [ 1192.607309][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1192.613180][T18875] RIP: 0033:0x45c1d9 [ 1192.617048][T18875] Code: Bad RIP value. [ 1192.621091][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1192.629720][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1192.637680][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1192.645637][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1192.653691][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1192.661646][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1192.669606][T18875] Uninit was stored to memory at: [ 1192.674611][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1192.680307][T18875] __msan_chain_origin+0x50/0x90 [ 1192.685221][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1192.689808][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1192.694723][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1192.699553][T18875] do_syscall_64+0xb0/0x150 [ 1192.704035][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1192.709903][T18875] [ 1192.712207][T18875] Uninit was stored to memory at: [ 1192.717206][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1192.722901][T18875] __msan_chain_origin+0x50/0x90 [ 1192.727816][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1192.732381][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1192.737296][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1192.742134][T18875] do_syscall_64+0xb0/0x150 [ 1192.746640][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1192.752516][T18875] [ 1192.754844][T18875] Uninit was stored to memory at: [ 1192.759851][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1192.765545][T18875] __msan_chain_origin+0x50/0x90 [ 1192.770457][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1192.775024][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1192.780202][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1192.785035][T18875] do_syscall_64+0xb0/0x150 [ 1192.789750][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1192.795614][T18875] [ 1192.798039][T18875] Uninit was stored to memory at: [ 1192.803062][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1192.808765][T18875] __msan_chain_origin+0x50/0x90 [ 1192.813682][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1192.818254][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1192.823188][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1192.828026][T18875] do_syscall_64+0xb0/0x150 [ 1192.832594][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1192.838456][T18875] [ 1192.840759][T18875] Uninit was stored to memory at: [ 1192.845848][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1192.851543][T18875] __msan_chain_origin+0x50/0x90 [ 1192.856456][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1192.861031][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1192.865944][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1192.870774][T18875] do_syscall_64+0xb0/0x150 [ 1192.875357][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1192.881221][T18875] [ 1192.883523][T18875] Uninit was stored to memory at: [ 1192.888525][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1192.894230][T18875] __msan_chain_origin+0x50/0x90 [ 1192.899207][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1192.904036][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1192.908985][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1192.913817][T18875] do_syscall_64+0xb0/0x150 [ 1192.918330][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1192.924194][T18875] [ 1192.926499][T18875] Uninit was stored to memory at: [ 1192.931523][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1192.937222][T18875] __msan_chain_origin+0x50/0x90 [ 1192.942139][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1192.946703][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1192.951617][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1192.956445][T18875] do_syscall_64+0xb0/0x150 [ 1192.960931][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1192.966799][T18875] [ 1192.969104][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1192.975759][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1192.980155][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1193.134824][T18875] not chained 5250000 origins [ 1193.139543][T18875] CPU: 0 PID: 18875 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1193.148210][T18875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1193.158261][T18875] Call Trace: [ 1193.161558][T18875] dump_stack+0x1df/0x240 [ 1193.165896][T18875] kmsan_internal_chain_origin+0x6f/0x130 [ 1193.171615][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1193.176727][T18875] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1193.182706][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1193.188018][T18875] ? kmsan_get_metadata+0x11d/0x180 [ 1193.193220][T18875] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1193.199028][T18875] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1193.205211][T18875] ? kfree+0x61/0x30f0 [ 1193.209286][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1193.214400][T18875] ? kmsan_set_origin_checked+0x95/0xf0 [ 1193.219949][T18875] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1193.226019][T18875] ? _copy_from_user+0x15b/0x260 [ 1193.230956][T18875] ? kmsan_get_metadata+0x4f/0x180 [ 1193.236069][T18875] __msan_chain_origin+0x50/0x90 [ 1193.241009][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1193.245651][T18875] ? __msan_poison_alloca+0xf0/0x120 [ 1193.250942][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1193.255962][T18875] ? __se_sys_recvmmsg+0xac/0x350 [ 1193.260986][T18875] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1193.266904][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1193.271858][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1193.276713][T18875] do_syscall_64+0xb0/0x150 [ 1193.281333][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1193.287220][T18875] RIP: 0033:0x45c1d9 [ 1193.291102][T18875] Code: Bad RIP value. [ 1193.295168][T18875] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1193.303577][T18875] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1193.311547][T18875] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000004 [ 1193.319518][T18875] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1193.327489][T18875] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1193.335460][T18875] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1193.343451][T18875] Uninit was stored to memory at: [ 1193.348487][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1193.354210][T18875] __msan_chain_origin+0x50/0x90 [ 1193.359152][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1193.363741][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1193.368677][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1193.373700][T18875] do_syscall_64+0xb0/0x150 [ 1193.378203][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1193.384090][T18875] [ 1193.386413][T18875] Uninit was stored to memory at: [ 1193.391437][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1193.397154][T18875] __msan_chain_origin+0x50/0x90 [ 1193.402091][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1193.406682][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1193.411619][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1193.416474][T18875] do_syscall_64+0xb0/0x150 [ 1193.420980][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1193.426860][T18875] [ 1193.429179][T18875] Uninit was stored to memory at: [ 1193.434206][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1193.439925][T18875] __msan_chain_origin+0x50/0x90 [ 1193.445294][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1193.449881][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1193.455340][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1193.460193][T18875] do_syscall_64+0xb0/0x150 [ 1193.464699][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1193.470579][T18875] [ 1193.472898][T18875] Uninit was stored to memory at: [ 1193.477928][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1193.483651][T18875] __msan_chain_origin+0x50/0x90 [ 1193.488590][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1193.493179][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1193.498981][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1193.503829][T18875] do_syscall_64+0xb0/0x150 [ 1193.508328][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1193.514204][T18875] [ 1193.516520][T18875] Uninit was stored to memory at: [ 1193.521542][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1193.527261][T18875] __msan_chain_origin+0x50/0x90 [ 1193.532194][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1193.536786][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1193.541723][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1193.546570][T18875] do_syscall_64+0xb0/0x150 [ 1193.551070][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1193.556949][T18875] [ 1193.559268][T18875] Uninit was stored to memory at: [ 1193.564377][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1193.570186][T18875] __msan_chain_origin+0x50/0x90 [ 1193.575127][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1193.579718][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1193.584653][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1193.589506][T18875] do_syscall_64+0xb0/0x150 [ 1193.594008][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1193.599885][T18875] [ 1193.602202][T18875] Uninit was stored to memory at: [ 1193.607230][T18875] kmsan_internal_chain_origin+0xad/0x130 [ 1193.612944][T18875] __msan_chain_origin+0x50/0x90 [ 1193.617882][T18875] do_recvmmsg+0x105a/0x1ee0 [ 1193.622471][T18875] __se_sys_recvmmsg+0x1d1/0x350 [ 1193.627418][T18875] __x64_sys_recvmmsg+0x62/0x80 [ 1193.632280][T18875] do_syscall_64+0xb0/0x150 [ 1193.636789][T18875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1193.642670][T18875] [ 1193.644994][T18875] Local variable ----msg_sys@do_recvmmsg created at: [ 1193.651827][T18875] do_recvmmsg+0xc5/0x1ee0 [ 1193.656257][T18875] do_recvmmsg+0xc5/0x1ee0 15:36:03 executing program 3: prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) r1 = socket(0x10, 0x80002, 0x0) bind$netlink(r1, &(0x7f0000177ff4)={0x10, 0x0, 0x1}, 0xc) write(r1, &(0x7f0000000140)="2600000022004701050000000000000005006d20002b1f000a4a51f1ee839cd53400b017ca5b", 0x26) connect$netlink(r1, &(0x7f00000014c0)=@proc={0x10, 0x0, 0x1}, 0xc) setsockopt$sock_int(r1, 0x1, 0x8, &(0x7f0000b4bffc), 0xfd49) sendto(r1, 0x0, 0x0, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000000780), 0x3ffffffffffff81, 0x2, 0x0) 15:36:03 executing program 2: r0 = syz_open_dev$dri(0x0, 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(r0, 0xc01864ba, &(0x7f0000000040)={0x2, 0x16, 0x21}) 15:36:03 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[], 0x110}}, 0x0) 15:36:03 executing program 1: 15:36:03 executing program 5: 15:36:03 executing program 0: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x280002, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, 0x0}}, 0x20) pipe2(&(0x7f0000000040)={0xffffffffffffffff}, 0x4800) ioctl$VHOST_RESET_OWNER(r1, 0xaf02, 0x0) ioctl$SNDCTL_DSP_SYNC(r0, 0x5001, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) ioctl$SNDCTL_DSP_SYNC(r0, 0x5001, 0x0) 15:36:03 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[], 0x110}}, 0x0) 15:36:03 executing program 2: r0 = syz_open_dev$dri(0x0, 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(r0, 0xc01864ba, &(0x7f0000000040)={0x2, 0x16, 0x21}) 15:36:03 executing program 5: 15:36:03 executing program 1: 15:36:03 executing program 0: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x202, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, 0x0}}, 0x20) ioctl$SNDCTL_DSP_SYNC(r0, 0x5001, 0x0) ioctl$SNDRV_PCM_IOCTL_TTSTAMP(0xffffffffffffffff, 0x40044103, &(0x7f00000000c0)=0xf7db) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/dlm-control\x00', 0x101001, 0x0) write$P9_RREADDIR(r1, 0x0, 0xa9) openat$fuse(0xffffffffffffff9c, &(0x7f0000000080)='/dev/fuse\x00', 0x2, 0x0) ioctl$USBDEVFS_SUBMITURB(r1, 0x8038550a, &(0x7f0000000040)=@urb_type_bulk={0x3, {0x9, 0x1}, 0x997, 0x5, &(0x7f0000000140)="fa9dc34c0ef4c89b2abef53036ef01395c1c0652f9eae6b3eae1d57ddf084ff907f6a61f4f7c515dddec58b50d66e510583c17f6f1e72b4c6251bd56826f3456352c42f80ac92fbc71d16b4b37e897e551b16c10ff733e33b4c71a975a6f87439ab30e6d19beee2c1386c2f3d95d3190363d0a2de111417ca79b8056da84e7a1ac1fc1897898a11929ea39c28f1fe090fd59a29c33535249c8bf067147c227bf94e9a6fdec99ad1d33e6eb7bda06cd1c5e4e3710e1da06c89e64c5deb4412f7ad306c1b55f1dba76a210b3ac0159570441aabfe3df19b4c6ae068053e343a5e550c279237a91019a2e65f35967ada81529941954d94246fb8fa599ecb4640397e441669a45ca7d8adf192ecd9429d12ca58446e65d70a764963ac46100ac0be821b19d61cf4b87bf1852b945548fab5a09a2e926d9fd417f916475251ce4172125a6a5e2a2306b171194e1847811a363b26990f7b0c57f539f776a09a517ff36d585a424a560e82f37b20f5dbb4a4a1dbee1b252c57aa8f25f05dea2a454a3848ab0f205d630209f2302846bbcd2d9b4f74b56a86111ec1fff9c74adee57e86061aa7eccd76661da2e657cf2131f2a943a14dc8f7983843bc953de7a0e5dfbe5e39229eede9623e83b85e4fafa9955326e768de669fb5fb87f111f7e2b748bd12bdf28b62a21d6250ccf5de2370a207038e087024346c222cb10a425620fbd109bb4c1af8d9ca8dc26496e9879c744ea90e1cf8c16febf9031e38cc9eea1afefc32adf4b0617ad2c7b5b7dd08c19159c1f116dc59887c412657ebcc691934e8c67ef30d3e47c328995b4abe8644bbec9dcff7ebec4b65ac277873fe8b027399d0075b69eec7960aa1194a7a0f8a6515b52dcd79e0f8b13d3100d2fee660a445214640002cf16d886deb8baeb098a65fcc1a2a7e4ed027c83f1e15806daf1290ee13a44617291ce5df06ae7ac96853c3911ceba7d3f169a15a149fdd6619a62c5474981f64e68b097c28b46b7d840ee3123edc00bff2012cb83bcdbbf7ee23a01512f00067e0b1489a3b8d4af9d0b05882acd7b5b097c6a9ee51241a4a45fcab559dfde749bf164f508b68b7e2c302c1b5ed3c5a28a94654640eb2722d9a84118f152972eaad07462a0e5908d2246a5f09a820dbf64bade5c33fbae611431ff665e9835e7569921f37758d724743aa9782181430a152a77c12f2ea0604d67e2a30a4299c48841413adca555d4118253df21475b130e94def7e4d6f6a74d048e730def3ea6e9964a2b25ca52847e12654df4fd8bd900109569eb53ddd7d021ab8aa266844a14591a8d17d265d0187d54db787132f526f1e46dd45a738cc495bc12beb6f260dd2745d2c7b1a7b820acb821a6fa9c4670f75a0f9da02eeb0c7cc478e215f3963b1fc036cd082798915897324da7d861186a2a13251766c207856c6632a99953c26b569903610454c3cef304c9366f57f7202c2d48e7319adb27150fae88c1a338ae7da1cb25e622bb2edab08f7e38002a0a89f474c063bc02ae17d1cfc23837e03adfea2b90dee66b34a13846e69a782e18bbec041b7e3a33324a452ce231d1a6be079e0a9dc6192892527284d9cfafc248d1731e686e4375c07217090092612bbcc0595262a782c163a0ae847bb5d62daea8afaae291e318cd9ecc3c25d06f56329a2a1d963c41228fea8789212549016e1c911557ba16f8521b55502e0f1f6e879cf6027cfb6c3315f10eee955401ebf1fb55dff7a00dc365ffcc85a7fc6b5d497d38c8578c37757278861a89f9e199b8a2b117250f0189bb67786d92084af3e6c81b7e0dc4fc4843be7e35ed26d9695c80f8e3003766ef26933b4d4a2cbebfa7b8efb98f9e0adac95839fd6e94c1c44b79015da7e46505f6302ce08f84b70c3e942cad497000c80736429e4b1d42b44ad9c4fc6d34824635eafa17255b366a930ec4a39099aa6a604ea918f285bb660c04478a32c0a0c26aaa44c51b087a7f37ab7258aff6918a1bb10c9917c0f71b0918f45501c4bbb3c0c9ff47ba630b6f4fa120088106051dc146bf4e802fe69acdf3c959bef789a90532f5ca22e6ae8a42a9f8366a2ccc994c313d9dab421eb34c7e81cdf8234970c289fffe2c3c3d98351d201f317c1e1f28b2f4c91181fc7bf2b2688ca52f5d5821fc1bec9fd30e3ab345ba837df6287fde96dfeaa0872f3cd7539d76f299889204557d34274d0400af2e48a98ab95813a7473a35e9919db51ab7558fe77aab869f423a4ff005cfe084814709844076bd9d287dd3b8f19c223652b944130b7786346e68eb389edfad0be4dc2601c1f851393ab331877d535697c057abd52a75d1806ffc32da95bd69e4add06d70557ccf9d1a3ac3fd1c3284092b2033bc6bf83fa2ec81ced24fa031fbf4448433e830f054f810e6e13391242b3ca63c86bb3938680672a27f52d6a4a16bfe6620d8201cfc78b6ce99d2a8f65cb6c861a5aea28d0b633b3e2f0d6dda74a6d1e3747ae5ad10700e7ab3026aec40e5c702b01594ecbef5ef199a81d72f161dd0fec8e751ec43a8863d12e8d47d56445b123e93ee7a9a34e60efabff6b6d8ce5619715ecd9e84134413882939f6fb050e4049987dbd1274cde13254eee632537fad1c1ff01dff255dc349d19e878335996c1886c93124159610dc03e483ea51d1c6081054bb45b2a3561211083c2e03c7dd5d68b11ee47588fe5e453cfa0e8679e64adf053f2aba6c6ac69b5a09e2e50a7852d65a7200c9fbc948b528711835d869a3bc33ff76e48bccec1504eb0bc0f0b1b9b62e66da4f103641189d2533f0df36d630269a86121f65273ab8e2a9e9f53127c09a8ac7403dd2d71452dfa2cf0e77573738be3e18fd52fe272977f368fcd3a8302ea67610b7c8debf72b98e61ed4808b63355327d447048801ba422df768ef65291571f3873a923c07317264f7bc53e0a2c3babd7d1925018734335599b4e3dbbce8f288312704fc6c16f131c2540bc68b8a670063dde622fd0e0989adf25dc7978121a1b12fd97570c52cd3db916634006a8c7040036970b3fbbd787c7c36091a25910c2e7caa41712b86b76ac5197b67b58661faa728ffcfa57b263166161f665a58264095d70967cde8b29ee8fb8c894f79b7e9cb3bae5d75fc4d279ec751b43686dded0c46bcbc20fcfe7e6f273b10768a08e8198b3956e34e58a9cb4604c02a7098244f9fae5a39c8f7a576686a39038a501043aef0a995b0bc302cae34f76daabc0e7d0a29e58246b37ed2fbbd821829f87f699fb70e49ef5349e730442ef9c5ca520c3c21e25bd1021469667166e8dcfd5070d7bccb7d0cdefb02174e197389ee616019fbef3e8e9063d0fc92368dfff36fec573bab20254da1fd5555054769c601fd860395ee7fd6999a80d2e66bbbba05924e66cd46397284ff7aa52baa0dcae12faf68ec2178a2da139212e30266c54d56ff4dd0d0ebd79b6f6ea14748ecd3300ddc77de22caa32103280521365cbdf28522f0e1eff142496061682fab90d328e79b69e68c2b0959981fccad6881b1035e2d67407f11296c5445a24d0ecdd288cdfddf08f7cbb5f71e794668c2c6176ed0b9554ee86819af3a93de0169001a0ca4cf0177cb190e42ca687174fecbf368dd3e5a68a63e55ce8a6e6ea3efcd1b0bd38b19995178fd56a74a42bdc75ae7b0a47fe7b00cfa706526e5702a035ce0ca8df21ceac599fdc670858ad9fd6509b391428c835e651e6d9e540f7c9dfefb7fedc85e67340634223288c89a587f4e0d068587bde81c773f88ffb9e8585f42e497de45983fbb312ee8e01d78d6678ad4163136ad1f771257cdef5efbd58a97fc52536b54d202be2b9725ea2bae4950a12630c985e7bc78a58edacf8642d80dedcc0a93c61eb3ccd3bfa471c2bc1bd0e682684f65a3f4a7859fa139f23e74a02dbd9f9e92d7267bfe85cfad67d360b889a1bdcd84742e0d1c1d2ddfa0c0e916ad35ea1113379b0702aac71d1d8b20e9d548531c876418409d0a2c1ca7fbccb8ffbf99ea8b5594bcb4e5b58ed52de8a534870cd20cd7ba22b8acbc1a6d2e6f8f375052da118904afe6cd811e83a4637d24797eaba29b71ca2a74a57cf874a96376bdbb381eda11d3e1595bd617a6966e651fa4c6a85697502b5286b7b25022c14a393867e39efa20e0a5fa66a2c545bfc3bc5499c2a51ea6334626f990f2c4c8eafe1220652bbfdae3546015dcebd8ea84438dfe9b8a1fb4bb80fc3b3185645b5e2729d6b7f5be56033651b12b41fceda03c32c7e9ff8148cc4e64c01bd0770d0085fb4470ee56debb17a2843c5903c2072d0b706f8ebec1eb6d2716e654a690c656299be04f174f1044125f05fd7eebabd036cbf10479e4776402e6b8be6e49d170b23998a27d61e8bcd6c98539bcd0172d26ea699c8f0110fa97f28da3007173226605d9d89da13121e314dd3345ce6ff0a5a1b289a2b3da7a9b928793be6011e37af666cba9b49482e61a7bc4781240a51813de5d2fd06e5fb7ffc5d4c19241f0393e181143fdf765a5348f1d47d375ca10f874ee0f5f57c626147a0fb6103db5c93f5f5c92d516b8c0f0f6f60c786a3d7aa57eda3a1d794763ecb3cbe758d84ca1f532a1ce31e734598693b0c36161d3bee7cec46cfddf02e04a198a84d1857e81caf79520b031bc6beda6835b5b2341bc9863e7f0ae9caa66ae59c6f0f0146a885042723cda59015742b53fa557c7071faf73acc7bccdeb03a8a1ee0b5cb7a673fceab4d14da41bd5d5a2d49f44dc39c017ed9d59f30189f6c8f7f9e9da9db6cbb9b190188d96e0a80fd5ee6b8a2320efea7a07d5a9ce6f0183d5c659e3044a01c8d95d90b55e9197b92da87d93b864fff25a7f1c46cec0af9e16388d77c1da9f93797319e4c623de9d2dbe89f6294ed23615d2340c9aa3801262ee9c7f23c8943281898de62ce8e4a9c8dd7cea89bc517bcac126bd49cc35c975906983361565897f90be2b76c52d7b834a3a4c687d034a4bd9f1e9947dec1bd6b6820daaaa4ba276b8f54da3c969831f6f3a589dda084470164b63f668b60cd06b4c4659356221b423c2e402fcb0439a32b17543a25923ea6226e86b454c98c8299af37ee0ddd7952202cae32fac3efa9edbab88ea6e5dfc6c0dad9c18ebf1a629e19fdac78e30f6346c051aa40e2321fbbbe10799273b386051f3eacdf79e547c8f21e04cbcd0399146e5edd0be178154a1f5c34b1602dd43421819618840679bf25f046aae98a4d7e0f4f3958a34d7c3189494e8b5092008742aef6e265c302e2ffd288f54ac1ea383753e8dc85d45a8bcfc7fd97a56cc344d5860c87b6c3d774d8ecdf4a2c8476485cb403fd6a18dfda2aa384e3933d6af611c7b3ec4e35054dc7c3ca1ab2b6b9fc7e95f39b26b292e89f7d7cb92b08086184d13c9edd392c57f780e671967a102eb522cc769acf2ece3a673c3dae0fbfe313c3b66d9741f718b89c1e5a79bc5a8a41e2cb4cbd0499b9afcd73dd89c9c022fd1ddd369b5b98f70512a1ab565f31d2c3f69f7f68275018504e1976fe218f6e2f8af815267fa22fbd04b9ff979ad754aab053210bcde09c446290ffc208cf15e14d0f1895ff59cb1599c3737f0c7be90f633ff372b2506d0ce88c4829c25fedae27eea5e822eb1adb64b60a2669938861b0b876dfc4a9bb8532e1869deb3e44d41d44011ae139f9bc136719243a46ce9abf9f881a914bb1af5f3cdf70d3753ab448bffddecea0b657474d7e1b2a6e094273059dbe291ea4b05cb1ed7c0fdafac529cdf4c1559b5adbdc06", 0x1000, 0x4, 0x0, 0x1f, 0xb9, 0x80, &(0x7f0000001140)="029cbd95d5a71ba19b80158e26cbe49cde3f6d53fe365b782488c08d0a286cba935a712e04f55915fc3ab47668924f3d81e3b325f258c3e8112a81004d6fdc157de3a43b92405dbeae5f56fd4fc9aab983f72a4b3d3dbd46da5f041cae8d6690d433706d781528fcc41347d3073fed1484a440a85245cc55c2d0f1ff0ed450696ab96170588c081f3e5968d1d708dea92a54f729bdad6eb3c60d90315c268c9cd98afeae8937ffada3b2282579302c5955f0c4c846f96f675030d7248e935070a2f60a2669bd"}) ioctl$SNDCTL_DSP_SYNC(r0, 0x5001, 0x0) 15:36:03 executing program 2: r0 = syz_open_dev$dri(0x0, 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(r0, 0xc01864ba, &(0x7f0000000040)={0x2, 0x16, 0x21}) [ 1194.834933][T18911] not chained 5260000 origins [ 1194.839683][T18911] CPU: 0 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1194.848357][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1194.858420][T18911] Call Trace: [ 1194.861798][T18911] dump_stack+0x1df/0x240 [ 1194.866144][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1194.871853][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1194.876954][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1194.882839][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1194.888113][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1194.893298][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1194.899103][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1194.905243][T18911] ? kfree+0x61/0x30f0 [ 1194.909303][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1194.914413][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1194.920034][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1194.926101][T18911] ? _copy_from_user+0x15b/0x260 [ 1194.931044][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1194.936149][T18911] __msan_chain_origin+0x50/0x90 [ 1194.941167][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1194.945774][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1194.951053][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1194.956071][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1194.961092][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1194.966977][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1194.971922][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1194.976763][T18911] do_syscall_64+0xb0/0x150 [ 1194.981257][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1194.987154][T18911] RIP: 0033:0x45c1d9 [ 1194.991114][T18911] Code: Bad RIP value. [ 1194.995252][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1195.003649][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1195.011610][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1195.019607][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1195.027584][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1195.035543][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1195.043512][T18911] Uninit was stored to memory at: [ 1195.048541][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1195.054264][T18911] __msan_chain_origin+0x50/0x90 [ 1195.059190][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1195.063792][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1195.068716][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1195.073553][T18911] do_syscall_64+0xb0/0x150 [ 1195.078046][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1195.083916][T18911] [ 1195.086234][T18911] Uninit was stored to memory at: [ 1195.091245][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1195.096952][T18911] __msan_chain_origin+0x50/0x90 [ 1195.101878][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1195.106636][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1195.111560][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1195.116486][T18911] do_syscall_64+0xb0/0x150 [ 1195.120976][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1195.126844][T18911] [ 1195.129153][T18911] Uninit was stored to memory at: [ 1195.134163][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1195.139867][T18911] __msan_chain_origin+0x50/0x90 [ 1195.144791][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1195.149366][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1195.154290][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1195.159124][T18911] do_syscall_64+0xb0/0x150 [ 1195.163616][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1195.169486][T18911] [ 1195.171798][T18911] Uninit was stored to memory at: [ 1195.176812][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1195.182518][T18911] __msan_chain_origin+0x50/0x90 [ 1195.187443][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1195.192037][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1195.197327][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1195.202171][T18911] do_syscall_64+0xb0/0x150 [ 1195.206662][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1195.212530][T18911] [ 1195.214856][T18911] Uninit was stored to memory at: [ 1195.219869][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1195.225587][T18911] __msan_chain_origin+0x50/0x90 [ 1195.230528][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1195.235104][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1195.240035][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1195.244872][T18911] do_syscall_64+0xb0/0x150 [ 1195.249366][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1195.255338][T18911] [ 1195.257649][T18911] Uninit was stored to memory at: [ 1195.262668][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1195.268374][T18911] __msan_chain_origin+0x50/0x90 [ 1195.273299][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1195.277875][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1195.282808][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1195.287645][T18911] do_syscall_64+0xb0/0x150 [ 1195.292136][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1195.298006][T18911] [ 1195.300317][T18911] Uninit was stored to memory at: [ 1195.305331][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1195.311039][T18911] __msan_chain_origin+0x50/0x90 [ 1195.315961][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1195.320557][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1195.325483][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1195.330322][T18911] do_syscall_64+0xb0/0x150 [ 1195.334823][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1195.340694][T18911] [ 1195.343006][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1195.349687][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1195.354090][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1196.471928][T18911] not chained 5270000 origins [ 1196.476658][T18911] CPU: 1 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1196.485332][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1196.495393][T18911] Call Trace: [ 1196.498701][T18911] dump_stack+0x1df/0x240 [ 1196.503159][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1196.508889][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1196.514011][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1196.519915][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1196.525216][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1196.530428][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1196.536245][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1196.542322][T18911] ? kfree+0x61/0x30f0 [ 1196.546407][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1196.551527][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1196.557081][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1196.563163][T18911] ? _copy_from_user+0x15b/0x260 [ 1196.568108][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1196.573227][T18911] __msan_chain_origin+0x50/0x90 [ 1196.578175][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1196.582930][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1196.588226][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1196.593255][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1196.598290][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1196.604199][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1196.609424][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1196.614291][T18911] do_syscall_64+0xb0/0x150 [ 1196.618817][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1196.624715][T18911] RIP: 0033:0x45c1d9 [ 1196.628603][T18911] Code: Bad RIP value. [ 1196.632664][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1196.641081][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1196.649158][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1196.657151][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1196.665135][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1196.673113][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1196.681100][T18911] Uninit was stored to memory at: [ 1196.686144][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1196.692234][T18911] __msan_chain_origin+0x50/0x90 [ 1196.697185][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1196.701785][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1196.706743][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1196.711606][T18911] do_syscall_64+0xb0/0x150 [ 1196.716116][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1196.722003][T18911] [ 1196.724330][T18911] Uninit was stored to memory at: [ 1196.729365][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1196.735091][T18911] __msan_chain_origin+0x50/0x90 [ 1196.740038][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1196.744638][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1196.749582][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1196.754445][T18911] do_syscall_64+0xb0/0x150 [ 1196.758961][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1196.764845][T18911] [ 1196.767170][T18911] Uninit was stored to memory at: [ 1196.772211][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1196.778149][T18911] __msan_chain_origin+0x50/0x90 [ 1196.783100][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1196.787700][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1196.792911][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1196.797890][T18911] do_syscall_64+0xb0/0x150 [ 1196.802410][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1196.808295][T18911] [ 1196.810620][T18911] Uninit was stored to memory at: [ 1196.815654][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1196.821485][T18911] __msan_chain_origin+0x50/0x90 [ 1196.826439][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1196.831050][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1196.835992][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1196.840876][T18911] do_syscall_64+0xb0/0x150 [ 1196.845389][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1196.851272][T18911] [ 1196.853591][T18911] Uninit was stored to memory at: [ 1196.858621][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1196.864348][T18911] __msan_chain_origin+0x50/0x90 [ 1196.869296][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1196.873900][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1196.878850][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1196.883705][T18911] do_syscall_64+0xb0/0x150 [ 1196.888217][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1196.894105][T18911] [ 1196.896449][T18911] Uninit was stored to memory at: [ 1196.901481][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1196.907213][T18911] __msan_chain_origin+0x50/0x90 [ 1196.912175][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1196.916773][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1196.921718][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1196.926583][T18911] do_syscall_64+0xb0/0x150 [ 1196.931098][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1196.936983][T18911] [ 1196.939312][T18911] Uninit was stored to memory at: [ 1196.944345][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1196.950076][T18911] __msan_chain_origin+0x50/0x90 [ 1196.955109][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1196.959708][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1196.964653][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1196.969509][T18911] do_syscall_64+0xb0/0x150 [ 1196.974018][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1196.979900][T18911] [ 1196.982224][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1196.988908][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1196.993332][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1197.214117][T18911] not chained 5280000 origins [ 1197.218957][T18911] CPU: 1 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1197.227628][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1197.237714][T18911] Call Trace: [ 1197.241004][T18911] dump_stack+0x1df/0x240 [ 1197.245325][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1197.251038][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1197.256124][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1197.262000][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1197.267285][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1197.272462][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1197.278270][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1197.284344][T18911] ? kfree+0x61/0x30f0 [ 1197.288422][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1197.293512][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1197.299143][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1197.305223][T18911] ? _copy_from_user+0x15b/0x260 [ 1197.310148][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1197.315236][T18911] __msan_chain_origin+0x50/0x90 [ 1197.320160][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1197.324748][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1197.330012][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1197.335101][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1197.340122][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1197.346011][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1197.350936][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1197.355767][T18911] do_syscall_64+0xb0/0x150 [ 1197.360256][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1197.366124][T18911] RIP: 0033:0x45c1d9 [ 1197.369991][T18911] Code: Bad RIP value. [ 1197.374033][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1197.382443][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1197.390498][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1197.398464][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1197.406427][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1197.414379][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1197.422350][T18911] Uninit was stored to memory at: [ 1197.427363][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1197.433055][T18911] __msan_chain_origin+0x50/0x90 [ 1197.437987][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1197.442568][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1197.447493][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1197.452334][T18911] do_syscall_64+0xb0/0x150 [ 1197.456824][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1197.462697][T18911] [ 1197.465002][T18911] Uninit was stored to memory at: [ 1197.470107][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1197.475805][T18911] __msan_chain_origin+0x50/0x90 [ 1197.480728][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1197.485319][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1197.490257][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1197.495088][T18911] do_syscall_64+0xb0/0x150 [ 1197.499579][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1197.505474][T18911] [ 1197.507793][T18911] Uninit was stored to memory at: [ 1197.512798][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1197.518504][T18911] __msan_chain_origin+0x50/0x90 [ 1197.523433][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1197.528001][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1197.532917][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1197.537754][T18911] do_syscall_64+0xb0/0x150 [ 1197.542279][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1197.548140][T18911] [ 1197.550441][T18911] Uninit was stored to memory at: [ 1197.555444][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1197.561159][T18911] __msan_chain_origin+0x50/0x90 [ 1197.566522][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1197.571122][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1197.576036][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1197.580873][T18911] do_syscall_64+0xb0/0x150 [ 1197.585358][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1197.591237][T18911] [ 1197.593568][T18911] Uninit was stored to memory at: [ 1197.598589][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1197.604410][T18911] __msan_chain_origin+0x50/0x90 [ 1197.609335][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1197.613905][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1197.618841][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1197.623686][T18911] do_syscall_64+0xb0/0x150 [ 1197.628170][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1197.634116][T18911] [ 1197.636418][T18911] Uninit was stored to memory at: [ 1197.641427][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1197.647123][T18911] __msan_chain_origin+0x50/0x90 [ 1197.652054][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1197.656634][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1197.661563][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1197.666391][T18911] do_syscall_64+0xb0/0x150 [ 1197.670876][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1197.676740][T18911] [ 1197.679056][T18911] Uninit was stored to memory at: [ 1197.684071][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1197.689766][T18911] __msan_chain_origin+0x50/0x90 [ 1197.694699][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1197.699280][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1197.704274][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1197.709102][T18911] do_syscall_64+0xb0/0x150 [ 1197.713583][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1197.719454][T18911] [ 1197.721770][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1197.728427][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1197.732819][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1197.903614][T18911] not chained 5290000 origins [ 1197.908346][T18911] CPU: 1 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1197.917106][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1197.927289][T18911] Call Trace: [ 1197.930588][T18911] dump_stack+0x1df/0x240 [ 1197.934931][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1197.940658][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1197.945779][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1197.951683][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1197.956982][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1197.962192][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1197.968012][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1197.974199][T18911] ? kfree+0x61/0x30f0 [ 1197.978281][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1197.983400][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1197.988957][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1197.995034][T18911] ? _copy_from_user+0x15b/0x260 [ 1197.999977][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1198.005096][T18911] __msan_chain_origin+0x50/0x90 [ 1198.010043][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1198.014677][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1198.019968][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1198.024998][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1198.030028][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1198.035931][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1198.040890][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1198.045744][T18911] do_syscall_64+0xb0/0x150 [ 1198.050254][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1198.056143][T18911] RIP: 0033:0x45c1d9 [ 1198.060030][T18911] Code: Bad RIP value. [ 1198.064090][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1198.072510][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1198.080482][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1198.090628][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1198.098634][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1198.106609][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1198.114593][T18911] Uninit was stored to memory at: [ 1198.119634][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1198.125351][T18911] __msan_chain_origin+0x50/0x90 [ 1198.130290][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1198.134880][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1198.139819][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1198.144669][T18911] do_syscall_64+0xb0/0x150 [ 1198.149179][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1198.155056][T18911] [ 1198.157376][T18911] Uninit was stored to memory at: [ 1198.162423][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1198.168143][T18911] __msan_chain_origin+0x50/0x90 [ 1198.173093][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1198.177686][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1198.182631][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1198.187483][T18911] do_syscall_64+0xb0/0x150 [ 1198.191988][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1198.197896][T18911] [ 1198.200217][T18911] Uninit was stored to memory at: [ 1198.205246][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1198.210965][T18911] __msan_chain_origin+0x50/0x90 [ 1198.215901][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1198.220492][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1198.225436][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1198.230294][T18911] do_syscall_64+0xb0/0x150 [ 1198.234799][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1198.240689][T18911] [ 1198.243008][T18911] Uninit was stored to memory at: [ 1198.248125][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1198.253843][T18911] __msan_chain_origin+0x50/0x90 [ 1198.258784][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1198.263383][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1198.268336][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1198.273195][T18911] do_syscall_64+0xb0/0x150 [ 1198.277704][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1198.283585][T18911] [ 1198.285905][T18911] Uninit was stored to memory at: [ 1198.290931][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1198.296651][T18911] __msan_chain_origin+0x50/0x90 [ 1198.301595][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1198.306184][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1198.311127][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1198.315979][T18911] do_syscall_64+0xb0/0x150 [ 1198.320484][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1198.326364][T18911] [ 1198.328697][T18911] Uninit was stored to memory at: [ 1198.333725][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1198.339443][T18911] __msan_chain_origin+0x50/0x90 [ 1198.344382][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1198.348973][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1198.353908][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1198.358763][T18911] do_syscall_64+0xb0/0x150 [ 1198.363269][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1198.369149][T18911] [ 1198.371470][T18911] Uninit was stored to memory at: [ 1198.376497][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1198.382217][T18911] __msan_chain_origin+0x50/0x90 [ 1198.387159][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1198.391753][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1198.396688][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1198.401600][T18911] do_syscall_64+0xb0/0x150 [ 1198.406102][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1198.411985][T18911] [ 1198.414308][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1198.420989][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1198.425423][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1198.596418][T18911] not chained 5300000 origins [ 1198.601144][T18911] CPU: 1 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1198.609816][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1198.619873][T18911] Call Trace: [ 1198.623174][T18911] dump_stack+0x1df/0x240 [ 1198.627517][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1198.633241][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1198.638366][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1198.644273][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1198.649585][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1198.654794][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1198.660610][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1198.666680][T18911] ? kfree+0x61/0x30f0 [ 1198.670758][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1198.675873][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1198.681423][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1198.687503][T18911] ? _copy_from_user+0x15b/0x260 [ 1198.692444][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1198.697558][T18911] __msan_chain_origin+0x50/0x90 [ 1198.702502][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1198.707134][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1198.712427][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1198.717452][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1198.722478][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1198.728380][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1198.733333][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1198.738191][T18911] do_syscall_64+0xb0/0x150 [ 1198.742699][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1198.748591][T18911] RIP: 0033:0x45c1d9 [ 1198.752477][T18911] Code: Bad RIP value. [ 1198.756539][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1198.764953][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1198.772931][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1198.780910][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1198.788889][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1198.796873][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1198.804868][T18911] Uninit was stored to memory at: [ 1198.809909][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1198.815637][T18911] __msan_chain_origin+0x50/0x90 [ 1198.820580][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1198.825176][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1198.830121][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1198.835006][T18911] do_syscall_64+0xb0/0x150 [ 1198.839511][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1198.845390][T18911] [ 1198.847710][T18911] Uninit was stored to memory at: [ 1198.852750][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1198.858472][T18911] __msan_chain_origin+0x50/0x90 [ 1198.863411][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1198.868006][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1198.872949][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1198.877827][T18911] do_syscall_64+0xb0/0x150 [ 1198.882339][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1198.888220][T18911] [ 1198.890559][T18911] Uninit was stored to memory at: [ 1198.895585][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1198.901305][T18911] __msan_chain_origin+0x50/0x90 [ 1198.906248][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1198.910849][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1198.915788][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1198.920643][T18911] do_syscall_64+0xb0/0x150 [ 1198.925177][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1198.931062][T18911] [ 1198.933384][T18911] Uninit was stored to memory at: [ 1198.938412][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1198.944127][T18911] __msan_chain_origin+0x50/0x90 [ 1198.949113][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1198.953707][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1198.958645][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1198.963497][T18911] do_syscall_64+0xb0/0x150 [ 1198.968127][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1198.974102][T18911] [ 1198.976426][T18911] Uninit was stored to memory at: [ 1198.981451][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1198.987173][T18911] __msan_chain_origin+0x50/0x90 [ 1198.992114][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1198.996714][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1199.001653][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1199.006519][T18911] do_syscall_64+0xb0/0x150 [ 1199.011028][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1199.016905][T18911] [ 1199.019226][T18911] Uninit was stored to memory at: [ 1199.024267][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1199.030000][T18911] __msan_chain_origin+0x50/0x90 [ 1199.034943][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1199.039535][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1199.044558][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1199.049415][T18911] do_syscall_64+0xb0/0x150 [ 1199.053923][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1199.059806][T18911] [ 1199.062141][T18911] Uninit was stored to memory at: [ 1199.067175][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1199.072896][T18911] __msan_chain_origin+0x50/0x90 [ 1199.077836][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1199.082424][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1199.087375][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1199.092228][T18911] do_syscall_64+0xb0/0x150 [ 1199.096732][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1199.102612][T18911] [ 1199.104932][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1199.111614][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1199.116031][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1199.284869][T18911] not chained 5310000 origins [ 1199.289592][T18911] CPU: 1 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1199.298268][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1199.308327][T18911] Call Trace: [ 1199.311626][T18911] dump_stack+0x1df/0x240 [ 1199.315967][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1199.321691][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1199.326806][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1199.332716][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1199.338015][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1199.343216][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1199.349030][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1199.355100][T18911] ? kfree+0x61/0x30f0 [ 1199.359268][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1199.364384][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1199.369940][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1199.376027][T18911] ? _copy_from_user+0x15b/0x260 [ 1199.380969][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1199.386081][T18911] __msan_chain_origin+0x50/0x90 [ 1199.391030][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1199.395742][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1199.401053][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1199.406087][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1199.411118][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1199.417024][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1199.421975][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1199.426833][T18911] do_syscall_64+0xb0/0x150 [ 1199.431348][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1199.437243][T18911] RIP: 0033:0x45c1d9 [ 1199.441134][T18911] Code: Bad RIP value. [ 1199.445193][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1199.453605][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1199.461664][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1199.469635][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1199.477621][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1199.485600][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1199.493584][T18911] Uninit was stored to memory at: [ 1199.498616][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1199.504346][T18911] __msan_chain_origin+0x50/0x90 [ 1199.509309][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1199.513902][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1199.518842][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1199.523706][T18911] do_syscall_64+0xb0/0x150 [ 1199.528212][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1199.534090][T18911] [ 1199.536411][T18911] Uninit was stored to memory at: [ 1199.541457][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1199.547266][T18911] __msan_chain_origin+0x50/0x90 [ 1199.552206][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1199.556794][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1199.561820][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1199.566680][T18911] do_syscall_64+0xb0/0x150 [ 1199.571190][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1199.577074][T18911] [ 1199.579396][T18911] Uninit was stored to memory at: [ 1199.584429][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1199.590154][T18911] __msan_chain_origin+0x50/0x90 [ 1199.595093][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1199.599688][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1199.604629][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1199.609482][T18911] do_syscall_64+0xb0/0x150 [ 1199.613988][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1199.619872][T18911] [ 1199.622197][T18911] Uninit was stored to memory at: [ 1199.627237][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1199.632963][T18911] __msan_chain_origin+0x50/0x90 [ 1199.637907][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1199.642507][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1199.647446][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1199.652299][T18911] do_syscall_64+0xb0/0x150 [ 1199.656804][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1199.662685][T18911] [ 1199.665005][T18911] Uninit was stored to memory at: [ 1199.670028][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1199.675752][T18911] __msan_chain_origin+0x50/0x90 [ 1199.680691][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1199.685285][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1199.690228][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1199.695079][T18911] do_syscall_64+0xb0/0x150 [ 1199.699590][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1199.705470][T18911] [ 1199.707791][T18911] Uninit was stored to memory at: [ 1199.712819][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1199.718542][T18911] __msan_chain_origin+0x50/0x90 [ 1199.723482][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1199.728073][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1199.733011][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1199.737862][T18911] do_syscall_64+0xb0/0x150 [ 1199.742369][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1199.748254][T18911] [ 1199.750572][T18911] Uninit was stored to memory at: [ 1199.755596][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1199.761319][T18911] __msan_chain_origin+0x50/0x90 [ 1199.766258][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1199.770849][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1199.775795][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1199.780653][T18911] do_syscall_64+0xb0/0x150 [ 1199.785179][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1199.791068][T18911] [ 1199.793391][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1199.800075][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1199.804495][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1199.975125][T18911] not chained 5320000 origins [ 1199.979850][T18911] CPU: 1 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1199.988522][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1199.998588][T18911] Call Trace: [ 1200.001885][T18911] dump_stack+0x1df/0x240 [ 1200.006229][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1200.011957][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1200.017076][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1200.022975][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1200.028266][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1200.033469][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1200.039283][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1200.045527][T18911] ? kfree+0x61/0x30f0 [ 1200.049611][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1200.054727][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1200.060281][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1200.066531][T18911] ? _copy_from_user+0x15b/0x260 [ 1200.071517][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1200.076637][T18911] __msan_chain_origin+0x50/0x90 [ 1200.081587][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1200.086234][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1200.091547][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1200.096580][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1200.101613][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1200.107514][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1200.112498][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1200.117360][T18911] do_syscall_64+0xb0/0x150 [ 1200.121869][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1200.127765][T18911] RIP: 0033:0x45c1d9 [ 1200.131650][T18911] Code: Bad RIP value. [ 1200.135711][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1200.144125][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1200.152103][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1200.160084][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1200.168059][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1200.176033][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1200.184019][T18911] Uninit was stored to memory at: [ 1200.189055][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1200.194779][T18911] __msan_chain_origin+0x50/0x90 [ 1200.199728][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1200.204322][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1200.209267][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1200.214119][T18911] do_syscall_64+0xb0/0x150 [ 1200.218627][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1200.224506][T18911] [ 1200.226829][T18911] Uninit was stored to memory at: [ 1200.231860][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1200.237590][T18911] __msan_chain_origin+0x50/0x90 [ 1200.242549][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1200.247157][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1200.252106][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1200.256962][T18911] do_syscall_64+0xb0/0x150 [ 1200.261471][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1200.267352][T18911] [ 1200.269676][T18911] Uninit was stored to memory at: [ 1200.274731][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1200.281162][T18911] __msan_chain_origin+0x50/0x90 [ 1200.286121][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1200.290716][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1200.295703][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1200.300574][T18911] do_syscall_64+0xb0/0x150 [ 1200.308039][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1200.313920][T18911] [ 1200.316238][T18911] Uninit was stored to memory at: [ 1200.321284][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1200.327024][T18911] __msan_chain_origin+0x50/0x90 [ 1200.331964][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1200.336558][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1200.341499][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1200.346351][T18911] do_syscall_64+0xb0/0x150 [ 1200.350861][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1200.356750][T18911] [ 1200.359077][T18911] Uninit was stored to memory at: [ 1200.364290][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1200.370012][T18911] __msan_chain_origin+0x50/0x90 [ 1200.375042][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1200.379638][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1200.384578][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1200.389432][T18911] do_syscall_64+0xb0/0x150 [ 1200.393936][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1200.399819][T18911] [ 1200.402138][T18911] Uninit was stored to memory at: [ 1200.407164][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1200.412883][T18911] __msan_chain_origin+0x50/0x90 [ 1200.417824][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1200.422413][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1200.427358][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1200.432216][T18911] do_syscall_64+0xb0/0x150 [ 1200.436733][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1200.442617][T18911] [ 1200.444943][T18911] Uninit was stored to memory at: [ 1200.449982][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1200.455704][T18911] __msan_chain_origin+0x50/0x90 [ 1200.460648][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1200.465253][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1200.470208][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1200.475073][T18911] do_syscall_64+0xb0/0x150 [ 1200.479613][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1200.485507][T18911] [ 1200.487969][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1200.494663][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1200.499092][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1200.670657][T18911] not chained 5330000 origins [ 1200.675379][T18911] CPU: 1 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1200.684052][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1200.694109][T18911] Call Trace: [ 1200.697435][T18911] dump_stack+0x1df/0x240 [ 1200.702351][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1200.708077][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1200.713192][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1200.719176][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1200.724466][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1200.729669][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1200.735481][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1200.741550][T18911] ? kfree+0x61/0x30f0 [ 1200.745624][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1200.750738][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1200.756286][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1200.762358][T18911] ? _copy_from_user+0x15b/0x260 [ 1200.767302][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1200.772419][T18911] __msan_chain_origin+0x50/0x90 [ 1200.777382][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1200.782008][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1200.787312][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1200.792343][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1200.798151][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1200.804053][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1200.809006][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1200.813866][T18911] do_syscall_64+0xb0/0x150 [ 1200.818376][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1200.824270][T18911] RIP: 0033:0x45c1d9 [ 1200.828159][T18911] Code: Bad RIP value. [ 1200.832228][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1200.840730][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1200.848708][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1200.856682][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1200.864660][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1200.872634][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1200.880621][T18911] Uninit was stored to memory at: [ 1200.885653][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1200.891376][T18911] __msan_chain_origin+0x50/0x90 [ 1200.896315][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1200.900904][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1200.905843][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1200.910702][T18911] do_syscall_64+0xb0/0x150 [ 1200.915206][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1200.921087][T18911] [ 1200.923442][T18911] Uninit was stored to memory at: [ 1200.928470][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1200.934276][T18911] __msan_chain_origin+0x50/0x90 [ 1200.939218][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1200.943809][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1200.948748][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1200.953606][T18911] do_syscall_64+0xb0/0x150 [ 1200.958116][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1200.963994][T18911] [ 1200.966312][T18911] Uninit was stored to memory at: [ 1200.971344][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1200.977074][T18911] __msan_chain_origin+0x50/0x90 [ 1200.982011][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1200.986599][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1200.991545][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1200.996396][T18911] do_syscall_64+0xb0/0x150 [ 1201.000899][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1201.006777][T18911] [ 1201.009098][T18911] Uninit was stored to memory at: [ 1201.014127][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1201.019850][T18911] __msan_chain_origin+0x50/0x90 [ 1201.024785][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1201.029381][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1201.034326][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1201.039186][T18911] do_syscall_64+0xb0/0x150 [ 1201.043690][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1201.049569][T18911] [ 1201.051889][T18911] Uninit was stored to memory at: [ 1201.056913][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1201.062634][T18911] __msan_chain_origin+0x50/0x90 [ 1201.067571][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1201.072161][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1201.077142][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1201.082257][T18911] do_syscall_64+0xb0/0x150 [ 1201.086766][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1201.092646][T18911] [ 1201.094968][T18911] Uninit was stored to memory at: [ 1201.099996][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1201.105717][T18911] __msan_chain_origin+0x50/0x90 [ 1201.110676][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1201.115266][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1201.120202][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1201.125058][T18911] do_syscall_64+0xb0/0x150 [ 1201.129567][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1201.135795][T18911] [ 1201.138126][T18911] Uninit was stored to memory at: [ 1201.143155][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1201.148877][T18911] __msan_chain_origin+0x50/0x90 [ 1201.153815][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1201.158837][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1201.163771][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1201.168629][T18911] do_syscall_64+0xb0/0x150 [ 1201.173137][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1201.179027][T18911] [ 1201.181376][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1201.188056][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1201.192472][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1201.360607][T18911] not chained 5340000 origins [ 1201.365331][T18911] CPU: 1 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1201.374009][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1201.384079][T18911] Call Trace: [ 1201.387381][T18911] dump_stack+0x1df/0x240 [ 1201.391723][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1201.397446][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1201.402566][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1201.408467][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1201.413758][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1201.418959][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1201.424768][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1201.430846][T18911] ? kfree+0x61/0x30f0 [ 1201.434921][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1201.440034][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1201.445590][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1201.451668][T18911] ? _copy_from_user+0x15b/0x260 [ 1201.456605][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1201.461716][T18911] __msan_chain_origin+0x50/0x90 [ 1201.466681][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1201.471304][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1201.476595][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1201.481625][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1201.486652][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1201.492562][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1201.497517][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1201.502385][T18911] do_syscall_64+0xb0/0x150 [ 1201.506901][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1201.512789][T18911] RIP: 0033:0x45c1d9 [ 1201.516672][T18911] Code: Bad RIP value. [ 1201.520729][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1201.529143][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1201.537115][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1201.545086][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1201.553066][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1201.561065][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1201.569053][T18911] Uninit was stored to memory at: [ 1201.574090][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1201.579813][T18911] __msan_chain_origin+0x50/0x90 [ 1201.584754][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1201.589371][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1201.594311][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1201.599167][T18911] do_syscall_64+0xb0/0x150 [ 1201.603673][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1201.609549][T18911] [ 1201.611870][T18911] Uninit was stored to memory at: [ 1201.616896][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1201.622622][T18911] __msan_chain_origin+0x50/0x90 [ 1201.627570][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1201.632163][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1201.637106][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1201.641960][T18911] do_syscall_64+0xb0/0x150 [ 1201.646914][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1201.652797][T18911] [ 1201.655122][T18911] Uninit was stored to memory at: [ 1201.660157][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1201.665891][T18911] __msan_chain_origin+0x50/0x90 [ 1201.670841][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1201.675439][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1201.680385][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1201.685238][T18911] do_syscall_64+0xb0/0x150 [ 1201.689746][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1201.695624][T18911] [ 1201.697947][T18911] Uninit was stored to memory at: [ 1201.702978][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1201.708701][T18911] __msan_chain_origin+0x50/0x90 [ 1201.713638][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1201.718232][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1201.723170][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1201.728022][T18911] do_syscall_64+0xb0/0x150 [ 1201.732527][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1201.738413][T18911] [ 1201.740732][T18911] Uninit was stored to memory at: [ 1201.745764][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1201.751485][T18911] __msan_chain_origin+0x50/0x90 [ 1201.756565][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1201.761169][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1201.766108][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1201.770964][T18911] do_syscall_64+0xb0/0x150 [ 1201.775467][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1201.781354][T18911] [ 1201.783677][T18911] Uninit was stored to memory at: [ 1201.788711][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1201.794430][T18911] __msan_chain_origin+0x50/0x90 [ 1201.799673][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1201.804276][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1201.809223][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1201.814087][T18911] do_syscall_64+0xb0/0x150 [ 1201.818595][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1201.824508][T18911] [ 1201.826828][T18911] Uninit was stored to memory at: [ 1201.831857][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1201.837583][T18911] __msan_chain_origin+0x50/0x90 [ 1201.842523][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1201.847117][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1201.852055][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1201.856914][T18911] do_syscall_64+0xb0/0x150 [ 1201.861434][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1201.867323][T18911] [ 1201.869656][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1201.876370][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1201.880796][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1202.046460][T18911] not chained 5350000 origins [ 1202.051193][T18911] CPU: 1 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1202.059862][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1202.070363][T18911] Call Trace: [ 1202.073664][T18911] dump_stack+0x1df/0x240 [ 1202.078002][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1202.083726][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1202.088845][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1202.094742][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1202.100033][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1202.105239][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1202.111142][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1202.117214][T18911] ? kfree+0x61/0x30f0 [ 1202.121287][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1202.126408][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1202.131956][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1202.138034][T18911] ? _copy_from_user+0x15b/0x260 [ 1202.142985][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1202.148101][T18911] __msan_chain_origin+0x50/0x90 [ 1202.153053][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1202.157689][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1202.162980][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1202.168010][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1202.173056][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1202.178961][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1202.183911][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1202.188865][T18911] do_syscall_64+0xb0/0x150 [ 1202.193375][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1202.199265][T18911] RIP: 0033:0x45c1d9 [ 1202.203152][T18911] Code: Bad RIP value. [ 1202.207476][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1202.215888][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1202.223861][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1202.231835][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1202.239809][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1202.247786][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1202.255770][T18911] Uninit was stored to memory at: [ 1202.260805][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1202.266525][T18911] __msan_chain_origin+0x50/0x90 [ 1202.271478][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1202.276074][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1202.281012][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1202.285892][T18911] do_syscall_64+0xb0/0x150 [ 1202.290401][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1202.296425][T18911] [ 1202.298752][T18911] Uninit was stored to memory at: [ 1202.303783][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1202.309509][T18911] __msan_chain_origin+0x50/0x90 [ 1202.314451][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1202.319043][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1202.323981][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1202.328835][T18911] do_syscall_64+0xb0/0x150 [ 1202.333342][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1202.339221][T18911] [ 1202.341540][T18911] Uninit was stored to memory at: [ 1202.346573][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1202.352299][T18911] __msan_chain_origin+0x50/0x90 [ 1202.357265][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1202.361852][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1202.366790][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1202.371645][T18911] do_syscall_64+0xb0/0x150 [ 1202.376150][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1202.382031][T18911] [ 1202.384444][T18911] Uninit was stored to memory at: [ 1202.389482][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1202.395198][T18911] __msan_chain_origin+0x50/0x90 [ 1202.400137][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1202.404728][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1202.409756][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1202.414613][T18911] do_syscall_64+0xb0/0x150 [ 1202.419119][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1202.425000][T18911] [ 1202.427320][T18911] Uninit was stored to memory at: [ 1202.432352][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1202.438075][T18911] __msan_chain_origin+0x50/0x90 [ 1202.443015][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1202.447628][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1202.452565][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1202.457415][T18911] do_syscall_64+0xb0/0x150 [ 1202.461919][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1202.467797][T18911] [ 1202.470117][T18911] Uninit was stored to memory at: [ 1202.475143][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1202.481074][T18911] __msan_chain_origin+0x50/0x90 [ 1202.486011][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1202.490611][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1202.495549][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1202.500404][T18911] do_syscall_64+0xb0/0x150 [ 1202.504907][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1202.510785][T18911] [ 1202.513103][T18911] Uninit was stored to memory at: [ 1202.518131][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1202.523849][T18911] __msan_chain_origin+0x50/0x90 [ 1202.528789][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1202.533379][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1202.538321][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1202.543171][T18911] do_syscall_64+0xb0/0x150 [ 1202.547682][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1202.553564][T18911] [ 1202.555889][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1202.562567][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1202.566983][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1202.740826][T18911] not chained 5360000 origins [ 1202.745544][T18911] CPU: 1 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1202.754214][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1202.764274][T18911] Call Trace: [ 1202.767584][T18911] dump_stack+0x1df/0x240 [ 1202.771932][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1202.777665][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1202.782782][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1202.788688][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1202.793984][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1202.799197][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1202.805022][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1202.811091][T18911] ? kfree+0x61/0x30f0 [ 1202.815171][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1202.820434][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1202.825988][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1202.832068][T18911] ? _copy_from_user+0x15b/0x260 [ 1202.837011][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1202.842126][T18911] __msan_chain_origin+0x50/0x90 [ 1202.847085][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1202.851719][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1202.857014][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1202.862047][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1202.867075][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1202.873062][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1202.878019][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1202.882876][T18911] do_syscall_64+0xb0/0x150 [ 1202.887386][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1202.893275][T18911] RIP: 0033:0x45c1d9 [ 1202.897158][T18911] Code: Bad RIP value. [ 1202.901218][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1202.909630][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1202.917608][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1202.925586][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1202.933562][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1202.941535][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1202.949515][T18911] Uninit was stored to memory at: [ 1202.954548][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1202.960268][T18911] __msan_chain_origin+0x50/0x90 [ 1202.965206][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1202.969801][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1202.974733][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1202.979589][T18911] do_syscall_64+0xb0/0x150 [ 1202.984096][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1202.989974][T18911] [ 1202.992292][T18911] Uninit was stored to memory at: [ 1202.997318][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1203.003039][T18911] __msan_chain_origin+0x50/0x90 [ 1203.007976][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1203.012566][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1203.017504][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1203.022355][T18911] do_syscall_64+0xb0/0x150 [ 1203.027900][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1203.033777][T18911] [ 1203.036108][T18911] Uninit was stored to memory at: [ 1203.041135][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1203.046854][T18911] __msan_chain_origin+0x50/0x90 [ 1203.051802][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1203.056390][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1203.061328][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1203.066181][T18911] do_syscall_64+0xb0/0x150 [ 1203.074512][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1203.080394][T18911] [ 1203.082719][T18911] Uninit was stored to memory at: [ 1203.087747][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1203.093469][T18911] __msan_chain_origin+0x50/0x90 [ 1203.099073][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1203.103665][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1203.108608][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1203.113486][T18911] do_syscall_64+0xb0/0x150 [ 1203.117992][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1203.123870][T18911] [ 1203.126189][T18911] Uninit was stored to memory at: [ 1203.131216][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1203.136934][T18911] __msan_chain_origin+0x50/0x90 [ 1203.141958][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1203.146548][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1203.151495][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1203.156343][T18911] do_syscall_64+0xb0/0x150 [ 1203.160851][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1203.166733][T18911] [ 1203.169056][T18911] Uninit was stored to memory at: [ 1203.174083][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1203.179805][T18911] __msan_chain_origin+0x50/0x90 [ 1203.184746][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1203.189422][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1203.194794][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1203.199649][T18911] do_syscall_64+0xb0/0x150 [ 1203.204157][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1203.210034][T18911] [ 1203.212350][T18911] Uninit was stored to memory at: [ 1203.217377][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1203.223092][T18911] __msan_chain_origin+0x50/0x90 [ 1203.228031][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1203.232626][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1203.237567][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1203.242421][T18911] do_syscall_64+0xb0/0x150 [ 1203.246926][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1203.252836][T18911] [ 1203.255158][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1203.261836][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1203.266254][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1203.442109][T18911] not chained 5370000 origins [ 1203.446828][T18911] CPU: 1 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1203.455492][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1203.465547][T18911] Call Trace: [ 1203.468847][T18911] dump_stack+0x1df/0x240 [ 1203.473185][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1203.478907][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1203.484023][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1203.489919][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1203.495210][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1203.500416][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1203.506227][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1203.512293][T18911] ? kfree+0x61/0x30f0 [ 1203.516366][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1203.521480][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1203.527031][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1203.533104][T18911] ? _copy_from_user+0x15b/0x260 [ 1203.538042][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1203.543155][T18911] __msan_chain_origin+0x50/0x90 [ 1203.548098][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1203.552725][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1203.558012][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1203.563036][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1203.568062][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1203.573960][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1203.578910][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1203.583762][T18911] do_syscall_64+0xb0/0x150 [ 1203.588273][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1203.594162][T18911] RIP: 0033:0x45c1d9 [ 1203.598047][T18911] Code: Bad RIP value. [ 1203.602106][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1203.610515][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1203.618495][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1203.626468][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1203.634442][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1203.642418][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1203.650417][T18911] Uninit was stored to memory at: [ 1203.655457][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1203.661184][T18911] __msan_chain_origin+0x50/0x90 [ 1203.666127][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1203.670717][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1203.675651][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1203.680507][T18911] do_syscall_64+0xb0/0x150 [ 1203.685014][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1203.690892][T18911] [ 1203.693219][T18911] Uninit was stored to memory at: [ 1203.698252][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1203.703973][T18911] __msan_chain_origin+0x50/0x90 [ 1203.708910][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1203.713500][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1203.718444][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1203.723301][T18911] do_syscall_64+0xb0/0x150 [ 1203.727808][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1203.733687][T18911] [ 1203.736006][T18911] Uninit was stored to memory at: [ 1203.741054][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1203.746779][T18911] __msan_chain_origin+0x50/0x90 [ 1203.751729][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1203.756320][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1203.761271][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1203.766122][T18911] do_syscall_64+0xb0/0x150 [ 1203.770630][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1203.776508][T18911] [ 1203.778839][T18911] Uninit was stored to memory at: [ 1203.783869][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1203.789593][T18911] __msan_chain_origin+0x50/0x90 [ 1203.794530][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1203.799121][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1203.804063][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1203.808917][T18911] do_syscall_64+0xb0/0x150 [ 1203.813465][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1203.819349][T18911] [ 1203.821676][T18911] Uninit was stored to memory at: [ 1203.826704][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1203.832426][T18911] __msan_chain_origin+0x50/0x90 [ 1203.837370][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1203.841965][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1203.846899][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1203.851746][T18911] do_syscall_64+0xb0/0x150 [ 1203.856249][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1203.862129][T18911] [ 1203.864450][T18911] Uninit was stored to memory at: [ 1203.869477][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1203.875809][T18911] __msan_chain_origin+0x50/0x90 [ 1203.880750][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1203.885341][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1203.890281][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1203.895136][T18911] do_syscall_64+0xb0/0x150 [ 1203.899644][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1203.905525][T18911] [ 1203.907847][T18911] Uninit was stored to memory at: [ 1203.912874][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1203.918597][T18911] __msan_chain_origin+0x50/0x90 [ 1203.923534][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1203.928135][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1203.933071][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1203.937963][T18911] do_syscall_64+0xb0/0x150 [ 1203.942469][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1203.948347][T18911] [ 1203.950667][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1203.957346][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1203.961760][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1204.133028][T18911] not chained 5380000 origins [ 1204.137776][T18911] CPU: 1 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1204.146442][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1204.156497][T18911] Call Trace: [ 1204.159798][T18911] dump_stack+0x1df/0x240 [ 1204.164145][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1204.169874][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1204.174989][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1204.180912][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1204.186200][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1204.191404][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1204.197215][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1204.203279][T18911] ? kfree+0x61/0x30f0 [ 1204.207352][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1204.212463][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1204.218009][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1204.224085][T18911] ? _copy_from_user+0x15b/0x260 [ 1204.229030][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1204.234144][T18911] __msan_chain_origin+0x50/0x90 [ 1204.239096][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1204.243724][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1204.249018][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1204.254043][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1204.259072][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1204.264974][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1204.269926][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1204.274781][T18911] do_syscall_64+0xb0/0x150 [ 1204.279293][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1204.285187][T18911] RIP: 0033:0x45c1d9 [ 1204.289075][T18911] Code: Bad RIP value. [ 1204.293140][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1204.301550][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1204.309525][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1204.317494][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1204.325482][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1204.333454][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1204.341436][T18911] Uninit was stored to memory at: [ 1204.346465][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1204.352448][T18911] __msan_chain_origin+0x50/0x90 [ 1204.357396][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1204.361987][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1204.366923][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1204.371775][T18911] do_syscall_64+0xb0/0x150 [ 1204.376287][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1204.382171][T18911] [ 1204.384491][T18911] Uninit was stored to memory at: [ 1204.389697][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1204.395512][T18911] __msan_chain_origin+0x50/0x90 [ 1204.400450][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1204.405039][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1204.409979][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1204.414834][T18911] do_syscall_64+0xb0/0x150 [ 1204.419345][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1204.425223][T18911] [ 1204.427544][T18911] Uninit was stored to memory at: [ 1204.432570][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1204.438292][T18911] __msan_chain_origin+0x50/0x90 [ 1204.443231][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1204.447826][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1204.452764][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1204.457620][T18911] do_syscall_64+0xb0/0x150 [ 1204.462126][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1204.468011][T18911] [ 1204.470513][T18911] Uninit was stored to memory at: [ 1204.475541][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1204.481265][T18911] __msan_chain_origin+0x50/0x90 [ 1204.486204][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1204.490797][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1204.495736][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1204.500681][T18911] do_syscall_64+0xb0/0x150 [ 1204.505188][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1204.511070][T18911] [ 1204.513401][T18911] Uninit was stored to memory at: [ 1204.518430][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1204.524150][T18911] __msan_chain_origin+0x50/0x90 [ 1204.529093][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1204.533688][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1204.538626][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1204.543478][T18911] do_syscall_64+0xb0/0x150 [ 1204.547987][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1204.553953][T18911] [ 1204.556275][T18911] Uninit was stored to memory at: [ 1204.561301][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1204.567022][T18911] __msan_chain_origin+0x50/0x90 [ 1204.571984][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1204.576576][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1204.581516][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1204.586369][T18911] do_syscall_64+0xb0/0x150 [ 1204.590884][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1204.596765][T18911] [ 1204.599084][T18911] Uninit was stored to memory at: [ 1204.604127][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1204.609852][T18911] __msan_chain_origin+0x50/0x90 [ 1204.614791][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1204.619385][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1204.624324][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1204.629349][T18911] do_syscall_64+0xb0/0x150 [ 1204.633866][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1204.639752][T18911] [ 1204.642074][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1204.648758][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1204.653177][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1204.848162][T18911] not chained 5390000 origins [ 1204.852887][T18911] CPU: 1 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1204.861556][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1204.871613][T18911] Call Trace: [ 1204.874914][T18911] dump_stack+0x1df/0x240 [ 1204.879253][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1204.884975][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1204.890101][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1204.896002][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1204.901294][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1204.906494][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1204.912306][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1204.918374][T18911] ? kfree+0x61/0x30f0 [ 1204.922452][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1204.927571][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1204.933120][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1204.939199][T18911] ? _copy_from_user+0x15b/0x260 [ 1204.944136][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1204.949251][T18911] __msan_chain_origin+0x50/0x90 [ 1204.954191][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1204.958818][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1204.964110][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1204.969136][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1204.974159][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1204.980056][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1204.985003][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1204.989862][T18911] do_syscall_64+0xb0/0x150 [ 1204.994370][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1205.000261][T18911] RIP: 0033:0x45c1d9 [ 1205.004142][T18911] Code: Bad RIP value. [ 1205.008203][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1205.016610][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1205.024583][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1205.032567][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1205.040543][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1205.048518][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1205.056506][T18911] Uninit was stored to memory at: [ 1205.061538][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1205.067283][T18911] __msan_chain_origin+0x50/0x90 [ 1205.072224][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1205.076815][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1205.081748][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1205.086596][T18911] do_syscall_64+0xb0/0x150 [ 1205.091277][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1205.097156][T18911] [ 1205.099472][T18911] Uninit was stored to memory at: [ 1205.104498][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1205.110215][T18911] __msan_chain_origin+0x50/0x90 [ 1205.115158][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1205.119749][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1205.124686][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1205.129556][T18911] do_syscall_64+0xb0/0x150 [ 1205.134144][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1205.140021][T18911] [ 1205.142340][T18911] Uninit was stored to memory at: [ 1205.147367][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1205.153101][T18911] __msan_chain_origin+0x50/0x90 [ 1205.158040][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1205.162644][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1205.167590][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1205.172447][T18911] do_syscall_64+0xb0/0x150 [ 1205.176952][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1205.182830][T18911] [ 1205.185161][T18911] Uninit was stored to memory at: [ 1205.190276][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1205.195991][T18911] __msan_chain_origin+0x50/0x90 [ 1205.200928][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1205.205518][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1205.210457][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1205.215310][T18911] do_syscall_64+0xb0/0x150 [ 1205.219815][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1205.225806][T18911] [ 1205.228128][T18911] Uninit was stored to memory at: [ 1205.233156][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1205.238886][T18911] __msan_chain_origin+0x50/0x90 [ 1205.244259][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1205.248850][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1205.253789][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1205.258645][T18911] do_syscall_64+0xb0/0x150 [ 1205.263152][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1205.269041][T18911] [ 1205.271366][T18911] Uninit was stored to memory at: [ 1205.276391][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1205.282117][T18911] __msan_chain_origin+0x50/0x90 [ 1205.287063][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1205.291654][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1205.296592][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1205.301444][T18911] do_syscall_64+0xb0/0x150 [ 1205.305949][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1205.311829][T18911] [ 1205.314148][T18911] Uninit was stored to memory at: [ 1205.319172][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1205.324892][T18911] __msan_chain_origin+0x50/0x90 [ 1205.329830][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1205.334421][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1205.339358][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1205.344225][T18911] do_syscall_64+0xb0/0x150 [ 1205.348735][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1205.354614][T18911] [ 1205.356935][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1205.363606][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1205.368022][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1205.539844][T18911] not chained 5400000 origins [ 1205.544564][T18911] CPU: 1 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1205.553580][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1205.563723][T18911] Call Trace: [ 1205.567022][T18911] dump_stack+0x1df/0x240 [ 1205.571364][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1205.577087][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1205.582200][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1205.588104][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1205.593539][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1205.598745][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1205.604640][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1205.610714][T18911] ? kfree+0x61/0x30f0 [ 1205.614787][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1205.619911][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1205.625466][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1205.631545][T18911] ? _copy_from_user+0x15b/0x260 [ 1205.636486][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1205.641604][T18911] __msan_chain_origin+0x50/0x90 [ 1205.646550][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1205.651190][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1205.656483][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1205.661512][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1205.666540][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1205.672444][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1205.677394][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1205.682250][T18911] do_syscall_64+0xb0/0x150 [ 1205.686759][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1205.692657][T18911] RIP: 0033:0x45c1d9 [ 1205.696538][T18911] Code: Bad RIP value. [ 1205.700595][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1205.709006][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1205.716977][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1205.724953][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1205.732936][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1205.740918][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1205.748914][T18911] Uninit was stored to memory at: [ 1205.753951][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1205.759677][T18911] __msan_chain_origin+0x50/0x90 [ 1205.764629][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1205.769316][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1205.774259][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1205.779116][T18911] do_syscall_64+0xb0/0x150 [ 1205.783622][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1205.789503][T18911] [ 1205.791824][T18911] Uninit was stored to memory at: [ 1205.796853][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1205.802582][T18911] __msan_chain_origin+0x50/0x90 [ 1205.807613][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1205.812212][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1205.817160][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1205.822039][T18911] do_syscall_64+0xb0/0x150 [ 1205.826653][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1205.832533][T18911] [ 1205.834855][T18911] Uninit was stored to memory at: [ 1205.839885][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1205.845604][T18911] __msan_chain_origin+0x50/0x90 [ 1205.850559][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1205.855147][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1205.860102][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1205.864964][T18911] do_syscall_64+0xb0/0x150 [ 1205.869469][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1205.875350][T18911] [ 1205.877669][T18911] Uninit was stored to memory at: [ 1205.882698][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1205.888415][T18911] __msan_chain_origin+0x50/0x90 [ 1205.893352][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1205.897950][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1205.902890][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1205.907750][T18911] do_syscall_64+0xb0/0x150 [ 1205.912259][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1205.918142][T18911] [ 1205.920463][T18911] Uninit was stored to memory at: [ 1205.925491][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1205.931213][T18911] __msan_chain_origin+0x50/0x90 [ 1205.936154][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1205.940754][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1205.945690][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1205.950542][T18911] do_syscall_64+0xb0/0x150 [ 1205.955045][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1205.960932][T18911] [ 1205.963255][T18911] Uninit was stored to memory at: [ 1205.968370][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1205.974094][T18911] __msan_chain_origin+0x50/0x90 [ 1205.979036][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1205.983637][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1205.988585][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1205.993437][T18911] do_syscall_64+0xb0/0x150 [ 1205.997950][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1206.003835][T18911] [ 1206.006153][T18911] Uninit was stored to memory at: [ 1206.011179][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1206.016894][T18911] __msan_chain_origin+0x50/0x90 [ 1206.021833][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1206.026424][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1206.031369][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1206.036218][T18911] do_syscall_64+0xb0/0x150 [ 1206.040723][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1206.046603][T18911] [ 1206.048927][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1206.055608][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1206.060029][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1206.238126][T18911] not chained 5410000 origins [ 1206.242852][T18911] CPU: 0 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1206.251514][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1206.261571][T18911] Call Trace: [ 1206.264867][T18911] dump_stack+0x1df/0x240 [ 1206.269212][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1206.274948][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1206.280066][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1206.285965][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1206.291261][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1206.296463][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1206.302283][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1206.308359][T18911] ? kfree+0x61/0x30f0 [ 1206.312432][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1206.317560][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1206.323112][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1206.329187][T18911] ? _copy_from_user+0x15b/0x260 [ 1206.334123][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1206.339235][T18911] __msan_chain_origin+0x50/0x90 [ 1206.344176][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1206.348801][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1206.354106][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1206.359147][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1206.364175][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1206.370072][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1206.375021][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1206.379877][T18911] do_syscall_64+0xb0/0x150 [ 1206.384386][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1206.390278][T18911] RIP: 0033:0x45c1d9 [ 1206.394164][T18911] Code: Bad RIP value. [ 1206.398223][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1206.406631][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1206.414604][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1206.422579][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1206.430547][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1206.438519][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1206.446496][T18911] Uninit was stored to memory at: [ 1206.451525][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1206.457244][T18911] __msan_chain_origin+0x50/0x90 [ 1206.462184][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1206.466773][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1206.471713][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1206.476827][T18911] do_syscall_64+0xb0/0x150 [ 1206.481330][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1206.487208][T18911] [ 1206.489525][T18911] Uninit was stored to memory at: [ 1206.494640][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1206.500412][T18911] __msan_chain_origin+0x50/0x90 [ 1206.505358][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1206.509950][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1206.514886][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1206.519738][T18911] do_syscall_64+0xb0/0x150 [ 1206.524241][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1206.530115][T18911] [ 1206.532439][T18911] Uninit was stored to memory at: [ 1206.537462][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1206.543186][T18911] __msan_chain_origin+0x50/0x90 [ 1206.548134][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1206.552719][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1206.557655][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1206.562505][T18911] do_syscall_64+0xb0/0x150 [ 1206.567008][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1206.572887][T18911] [ 1206.575206][T18911] Uninit was stored to memory at: [ 1206.580231][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1206.585981][T18911] __msan_chain_origin+0x50/0x90 [ 1206.590921][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1206.595512][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1206.600452][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1206.605316][T18911] do_syscall_64+0xb0/0x150 [ 1206.609821][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1206.615701][T18911] [ 1206.618020][T18911] Uninit was stored to memory at: [ 1206.623063][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1206.628800][T18911] __msan_chain_origin+0x50/0x90 [ 1206.633748][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1206.638343][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1206.643290][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1206.648143][T18911] do_syscall_64+0xb0/0x150 [ 1206.652650][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1206.658537][T18911] [ 1206.660862][T18911] Uninit was stored to memory at: [ 1206.665893][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1206.671614][T18911] __msan_chain_origin+0x50/0x90 [ 1206.676562][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1206.681153][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1206.686126][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1206.690979][T18911] do_syscall_64+0xb0/0x150 [ 1206.695523][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1206.701398][T18911] [ 1206.703715][T18911] Uninit was stored to memory at: [ 1206.708761][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1206.714479][T18911] __msan_chain_origin+0x50/0x90 [ 1206.719415][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1206.724004][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1206.729029][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1206.733883][T18911] do_syscall_64+0xb0/0x150 [ 1206.738386][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1206.744264][T18911] [ 1206.746583][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1206.753259][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1206.757673][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1206.901414][T18911] not chained 5420000 origins [ 1206.906204][T18911] CPU: 0 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1206.914962][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1206.924999][T18911] Call Trace: [ 1206.928372][T18911] dump_stack+0x1df/0x240 [ 1206.932685][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1206.938400][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1206.943590][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1206.949464][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1206.954728][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1206.959913][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1206.965712][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1206.971771][T18911] ? kfree+0x61/0x30f0 [ 1206.975826][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1206.980925][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1206.986452][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1206.992502][T18911] ? _copy_from_user+0x15b/0x260 [ 1206.997425][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1207.002513][T18911] __msan_chain_origin+0x50/0x90 [ 1207.007434][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1207.012017][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1207.017303][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1207.022302][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1207.027329][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1207.033201][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1207.038136][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1207.043126][T18911] do_syscall_64+0xb0/0x150 [ 1207.047614][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1207.053485][T18911] RIP: 0033:0x45c1d9 [ 1207.057492][T18911] Code: Bad RIP value. [ 1207.061539][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1207.069931][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1207.077971][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1207.085922][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1207.093874][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1207.101923][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1207.109894][T18911] Uninit was stored to memory at: [ 1207.114905][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1207.120620][T18911] __msan_chain_origin+0x50/0x90 [ 1207.125537][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1207.130130][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1207.135060][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1207.139903][T18911] do_syscall_64+0xb0/0x150 [ 1207.144387][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1207.150246][T18911] [ 1207.152550][T18911] Uninit was stored to memory at: [ 1207.157554][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1207.163290][T18911] __msan_chain_origin+0x50/0x90 [ 1207.168205][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1207.172768][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1207.177684][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1207.182511][T18911] do_syscall_64+0xb0/0x150 [ 1207.186991][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1207.192875][T18911] [ 1207.195177][T18911] Uninit was stored to memory at: [ 1207.200181][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1207.205945][T18911] __msan_chain_origin+0x50/0x90 [ 1207.210963][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1207.215531][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1207.220521][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1207.225350][T18911] do_syscall_64+0xb0/0x150 [ 1207.229830][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1207.235708][T18911] [ 1207.238013][T18911] Uninit was stored to memory at: [ 1207.243115][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1207.248829][T18911] __msan_chain_origin+0x50/0x90 [ 1207.253759][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1207.258484][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1207.263409][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1207.268240][T18911] do_syscall_64+0xb0/0x150 [ 1207.272737][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1207.278619][T18911] [ 1207.280931][T18911] Uninit was stored to memory at: [ 1207.285943][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1207.291659][T18911] __msan_chain_origin+0x50/0x90 [ 1207.296592][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1207.301163][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1207.306096][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1207.310940][T18911] do_syscall_64+0xb0/0x150 [ 1207.315441][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1207.321335][T18911] [ 1207.323637][T18911] Uninit was stored to memory at: [ 1207.328659][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1207.334353][T18911] __msan_chain_origin+0x50/0x90 [ 1207.339268][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1207.343835][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1207.348749][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1207.353576][T18911] do_syscall_64+0xb0/0x150 [ 1207.358256][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1207.364125][T18911] [ 1207.366455][T18911] Uninit was stored to memory at: [ 1207.371463][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1207.377246][T18911] __msan_chain_origin+0x50/0x90 [ 1207.382163][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1207.386735][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1207.391668][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1207.396496][T18911] do_syscall_64+0xb0/0x150 [ 1207.400978][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1207.406955][T18911] [ 1207.409261][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1207.415956][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1207.420351][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1207.575794][T18911] not chained 5430000 origins [ 1207.580517][T18911] CPU: 0 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1207.589186][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1207.599241][T18911] Call Trace: [ 1207.602539][T18911] dump_stack+0x1df/0x240 [ 1207.606876][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1207.612599][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1207.617728][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1207.623747][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1207.629042][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1207.634404][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1207.640221][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1207.646291][T18911] ? kfree+0x61/0x30f0 [ 1207.650364][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1207.655477][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1207.661065][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1207.667148][T18911] ? _copy_from_user+0x15b/0x260 [ 1207.672087][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1207.677199][T18911] __msan_chain_origin+0x50/0x90 [ 1207.682143][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1207.686770][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1207.692064][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1207.697088][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1207.702113][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1207.708008][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1207.712964][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1207.717816][T18911] do_syscall_64+0xb0/0x150 [ 1207.722328][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1207.728216][T18911] RIP: 0033:0x45c1d9 [ 1207.732098][T18911] Code: Bad RIP value. [ 1207.736157][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1207.744566][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1207.752535][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1207.760504][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1207.768474][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1207.776443][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1207.784418][T18911] Uninit was stored to memory at: [ 1207.789456][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1207.795177][T18911] __msan_chain_origin+0x50/0x90 [ 1207.800116][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1207.804705][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1207.809639][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1207.814498][T18911] do_syscall_64+0xb0/0x150 [ 1207.819013][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1207.824898][T18911] [ 1207.827225][T18911] Uninit was stored to memory at: [ 1207.832254][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1207.837971][T18911] __msan_chain_origin+0x50/0x90 [ 1207.842921][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1207.847855][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1207.852795][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1207.857647][T18911] do_syscall_64+0xb0/0x150 [ 1207.862160][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1207.868150][T18911] [ 1207.870483][T18911] Uninit was stored to memory at: [ 1207.875513][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1207.881239][T18911] __msan_chain_origin+0x50/0x90 [ 1207.886180][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1207.890767][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1207.895707][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1207.900556][T18911] do_syscall_64+0xb0/0x150 [ 1207.905061][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1207.910946][T18911] [ 1207.913272][T18911] Uninit was stored to memory at: [ 1207.918299][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1207.924194][T18911] __msan_chain_origin+0x50/0x90 [ 1207.929131][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1207.933725][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1207.938661][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1207.943510][T18911] do_syscall_64+0xb0/0x150 [ 1207.948273][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1207.954158][T18911] [ 1207.956474][T18911] Uninit was stored to memory at: [ 1207.961494][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1207.967213][T18911] __msan_chain_origin+0x50/0x90 [ 1207.972148][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1207.976743][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1207.981682][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1207.986530][T18911] do_syscall_64+0xb0/0x150 [ 1207.991034][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1207.996998][T18911] [ 1207.999316][T18911] Uninit was stored to memory at: [ 1208.004344][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1208.010061][T18911] __msan_chain_origin+0x50/0x90 [ 1208.014998][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1208.019592][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1208.024524][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1208.029377][T18911] do_syscall_64+0xb0/0x150 [ 1208.033876][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1208.039753][T18911] [ 1208.042069][T18911] Uninit was stored to memory at: [ 1208.047095][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1208.052811][T18911] __msan_chain_origin+0x50/0x90 [ 1208.057744][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1208.062336][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1208.067276][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1208.072130][T18911] do_syscall_64+0xb0/0x150 [ 1208.076636][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1208.082515][T18911] [ 1208.084834][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1208.091508][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1208.095923][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1208.252429][T18911] not chained 5440000 origins [ 1208.257145][T18911] CPU: 0 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1208.265816][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1208.275866][T18911] Call Trace: [ 1208.279169][T18911] dump_stack+0x1df/0x240 [ 1208.283506][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1208.289242][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1208.294352][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1208.300250][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1208.305535][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1208.310739][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1208.316546][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1208.322615][T18911] ? kfree+0x61/0x30f0 [ 1208.326686][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1208.331796][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1208.337430][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1208.343508][T18911] ? _copy_from_user+0x15b/0x260 [ 1208.348446][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1208.353557][T18911] __msan_chain_origin+0x50/0x90 [ 1208.358500][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1208.363126][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1208.368605][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1208.373636][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1208.378666][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1208.384568][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1208.389517][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1208.394371][T18911] do_syscall_64+0xb0/0x150 [ 1208.398882][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1208.404769][T18911] RIP: 0033:0x45c1d9 [ 1208.408659][T18911] Code: Bad RIP value. [ 1208.412721][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1208.421131][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1208.430072][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1208.438042][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1208.446014][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1208.453984][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1208.461963][T18911] Uninit was stored to memory at: [ 1208.466994][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1208.472712][T18911] __msan_chain_origin+0x50/0x90 [ 1208.477653][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1208.482241][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1208.487186][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1208.492067][T18911] do_syscall_64+0xb0/0x150 [ 1208.496580][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1208.502470][T18911] [ 1208.504790][T18911] Uninit was stored to memory at: [ 1208.509821][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1208.515543][T18911] __msan_chain_origin+0x50/0x90 [ 1208.520485][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1208.525078][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1208.530015][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1208.534869][T18911] do_syscall_64+0xb0/0x150 [ 1208.539373][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1208.545254][T18911] [ 1208.547573][T18911] Uninit was stored to memory at: [ 1208.552716][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1208.558431][T18911] __msan_chain_origin+0x50/0x90 [ 1208.563368][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1208.567958][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1208.572908][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1208.577767][T18911] do_syscall_64+0xb0/0x150 [ 1208.582270][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1208.588157][T18911] [ 1208.590477][T18911] Uninit was stored to memory at: [ 1208.595502][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1208.601221][T18911] __msan_chain_origin+0x50/0x90 [ 1208.606164][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1208.610757][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1208.615694][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1208.620588][T18911] do_syscall_64+0xb0/0x150 [ 1208.625095][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1208.630971][T18911] [ 1208.633315][T18911] Uninit was stored to memory at: [ 1208.638339][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1208.644061][T18911] __msan_chain_origin+0x50/0x90 [ 1208.649099][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1208.653956][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1208.658897][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1208.663751][T18911] do_syscall_64+0xb0/0x150 [ 1208.668258][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1208.674137][T18911] [ 1208.676456][T18911] Uninit was stored to memory at: [ 1208.681487][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1208.687232][T18911] __msan_chain_origin+0x50/0x90 [ 1208.692167][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1208.696758][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1208.701699][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1208.706557][T18911] do_syscall_64+0xb0/0x150 [ 1208.711063][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1208.716944][T18911] [ 1208.719261][T18911] Uninit was stored to memory at: [ 1208.724292][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1208.730012][T18911] __msan_chain_origin+0x50/0x90 [ 1208.734947][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1208.739535][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1208.744472][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1208.749328][T18911] do_syscall_64+0xb0/0x150 [ 1208.754023][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1208.759908][T18911] [ 1208.762260][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1208.768936][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1208.773350][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1208.931875][T18911] not chained 5450000 origins [ 1208.936600][T18911] CPU: 0 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1208.945270][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1208.955325][T18911] Call Trace: [ 1208.958626][T18911] dump_stack+0x1df/0x240 [ 1208.962962][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1208.968686][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1208.973802][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1208.979700][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1208.984988][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1208.990187][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1208.995998][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1209.002066][T18911] ? kfree+0x61/0x30f0 [ 1209.006141][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1209.011259][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1209.016810][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1209.022980][T18911] ? _copy_from_user+0x15b/0x260 [ 1209.027924][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1209.033041][T18911] __msan_chain_origin+0x50/0x90 [ 1209.037990][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1209.042622][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1209.047912][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1209.053369][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1209.058400][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1209.064303][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1209.069255][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1209.074115][T18911] do_syscall_64+0xb0/0x150 [ 1209.078625][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1209.084514][T18911] RIP: 0033:0x45c1d9 [ 1209.088397][T18911] Code: Bad RIP value. [ 1209.092456][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1209.100869][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1209.108840][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1209.116807][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1209.124774][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1209.132747][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1209.140756][T18911] Uninit was stored to memory at: [ 1209.145787][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1209.151503][T18911] __msan_chain_origin+0x50/0x90 [ 1209.156444][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1209.161049][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1209.165993][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1209.170844][T18911] do_syscall_64+0xb0/0x150 [ 1209.175346][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1209.181223][T18911] [ 1209.183542][T18911] Uninit was stored to memory at: [ 1209.188570][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1209.194297][T18911] __msan_chain_origin+0x50/0x90 [ 1209.199262][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1209.203866][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1209.208977][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1209.213829][T18911] do_syscall_64+0xb0/0x150 [ 1209.218359][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1209.224247][T18911] [ 1209.226575][T18911] Uninit was stored to memory at: [ 1209.231610][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1209.237342][T18911] __msan_chain_origin+0x50/0x90 [ 1209.242279][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1209.246871][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1209.251807][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1209.256659][T18911] do_syscall_64+0xb0/0x150 [ 1209.261164][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1209.267045][T18911] [ 1209.269362][T18911] Uninit was stored to memory at: [ 1209.274415][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1209.280171][T18911] __msan_chain_origin+0x50/0x90 [ 1209.285119][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1209.289801][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1209.294740][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1209.299597][T18911] do_syscall_64+0xb0/0x150 [ 1209.304116][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1209.310003][T18911] [ 1209.312328][T18911] Uninit was stored to memory at: [ 1209.317357][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1209.323094][T18911] __msan_chain_origin+0x50/0x90 [ 1209.328135][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1209.332741][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1209.337686][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1209.342548][T18911] do_syscall_64+0xb0/0x150 [ 1209.347055][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1209.352939][T18911] [ 1209.355262][T18911] Uninit was stored to memory at: [ 1209.360292][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1209.366015][T18911] __msan_chain_origin+0x50/0x90 [ 1209.371046][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1209.375640][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1209.380582][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1209.385438][T18911] do_syscall_64+0xb0/0x150 [ 1209.389944][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1209.395826][T18911] [ 1209.398147][T18911] Uninit was stored to memory at: [ 1209.403184][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1209.408913][T18911] __msan_chain_origin+0x50/0x90 [ 1209.413851][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1209.418463][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1209.423402][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1209.428269][T18911] do_syscall_64+0xb0/0x150 [ 1209.432773][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1209.438660][T18911] [ 1209.440989][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1209.447777][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1209.452460][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1209.606921][T18911] not chained 5460000 origins [ 1209.611648][T18911] CPU: 0 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1209.620313][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1209.630370][T18911] Call Trace: [ 1209.634012][T18911] dump_stack+0x1df/0x240 [ 1209.638365][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1209.644101][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1209.649262][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1209.655174][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1209.660476][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1209.665680][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1209.671576][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1209.677823][T18911] ? kfree+0x61/0x30f0 [ 1209.681897][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1209.687012][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1209.692558][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1209.698630][T18911] ? _copy_from_user+0x15b/0x260 [ 1209.703579][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1209.708693][T18911] __msan_chain_origin+0x50/0x90 [ 1209.713666][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1209.718309][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1209.723610][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1209.728643][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1209.733669][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1209.739571][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1209.744542][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1209.749411][T18911] do_syscall_64+0xb0/0x150 [ 1209.753938][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1209.759836][T18911] RIP: 0033:0x45c1d9 [ 1209.763718][T18911] Code: Bad RIP value. [ 1209.767778][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1209.776191][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1209.784170][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1209.792146][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1209.800158][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1209.808142][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1209.816133][T18911] Uninit was stored to memory at: [ 1209.821292][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1209.827020][T18911] __msan_chain_origin+0x50/0x90 [ 1209.831973][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1209.836568][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1209.841510][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1209.846574][T18911] do_syscall_64+0xb0/0x150 [ 1209.851078][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1209.856969][T18911] [ 1209.859289][T18911] Uninit was stored to memory at: [ 1209.864408][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1209.870132][T18911] __msan_chain_origin+0x50/0x90 [ 1209.875076][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1209.879667][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1209.886001][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1209.890856][T18911] do_syscall_64+0xb0/0x150 [ 1209.895363][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1209.901239][T18911] [ 1209.903560][T18911] Uninit was stored to memory at: [ 1209.908590][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1209.914310][T18911] __msan_chain_origin+0x50/0x90 [ 1209.919249][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1209.923846][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1209.928789][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1209.933653][T18911] do_syscall_64+0xb0/0x150 [ 1209.938171][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1209.944051][T18911] [ 1209.946372][T18911] Uninit was stored to memory at: [ 1209.951401][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1209.957128][T18911] __msan_chain_origin+0x50/0x90 [ 1209.962070][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1209.966661][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1209.971597][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1209.976453][T18911] do_syscall_64+0xb0/0x150 [ 1209.980956][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1209.986840][T18911] [ 1209.989163][T18911] Uninit was stored to memory at: [ 1209.994188][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1209.999905][T18911] __msan_chain_origin+0x50/0x90 [ 1210.004848][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1210.009440][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1210.014378][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1210.019233][T18911] do_syscall_64+0xb0/0x150 [ 1210.023738][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1210.029659][T18911] [ 1210.031987][T18911] Uninit was stored to memory at: [ 1210.037012][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1210.042734][T18911] __msan_chain_origin+0x50/0x90 [ 1210.047673][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1210.052282][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1210.057217][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1210.062086][T18911] do_syscall_64+0xb0/0x150 [ 1210.066603][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1210.072484][T18911] [ 1210.074803][T18911] Uninit was stored to memory at: [ 1210.079842][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1210.085560][T18911] __msan_chain_origin+0x50/0x90 [ 1210.090513][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1210.095105][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1210.100052][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1210.104901][T18911] do_syscall_64+0xb0/0x150 [ 1210.109405][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1210.115289][T18911] [ 1210.117616][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1210.124295][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1210.128886][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1210.283077][T18911] not chained 5470000 origins [ 1210.287805][T18911] CPU: 0 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1210.296474][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1210.306611][T18911] Call Trace: [ 1210.309910][T18911] dump_stack+0x1df/0x240 [ 1210.314252][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1210.319980][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1210.325095][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1210.330999][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1210.336546][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1210.341747][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1210.347555][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1210.353623][T18911] ? kfree+0x61/0x30f0 [ 1210.357701][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1210.362905][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1210.368459][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1210.374532][T18911] ? _copy_from_user+0x15b/0x260 [ 1210.379472][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1210.384586][T18911] __msan_chain_origin+0x50/0x90 [ 1210.389530][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1210.394168][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1210.399461][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1210.404498][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1210.409530][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1210.415467][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1210.420416][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1210.425272][T18911] do_syscall_64+0xb0/0x150 [ 1210.429779][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1210.435665][T18911] RIP: 0033:0x45c1d9 [ 1210.439551][T18911] Code: Bad RIP value. [ 1210.443610][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1210.452021][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1210.460092][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1210.468081][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1210.476061][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1210.484035][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1210.492022][T18911] Uninit was stored to memory at: [ 1210.497058][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1210.502778][T18911] __msan_chain_origin+0x50/0x90 [ 1210.507891][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1210.512481][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1210.517424][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1210.522283][T18911] do_syscall_64+0xb0/0x150 [ 1210.526788][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1210.532667][T18911] [ 1210.534992][T18911] Uninit was stored to memory at: [ 1210.540032][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1210.545754][T18911] __msan_chain_origin+0x50/0x90 [ 1210.550700][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1210.555291][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1210.560225][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1210.565078][T18911] do_syscall_64+0xb0/0x150 [ 1210.569705][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1210.575590][T18911] [ 1210.577913][T18911] Uninit was stored to memory at: [ 1210.582939][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1210.588747][T18911] __msan_chain_origin+0x50/0x90 [ 1210.593690][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1210.598278][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1210.603228][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1210.608128][T18911] do_syscall_64+0xb0/0x150 [ 1210.612636][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1210.618515][T18911] [ 1210.620843][T18911] Uninit was stored to memory at: [ 1210.625872][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1210.631602][T18911] __msan_chain_origin+0x50/0x90 [ 1210.636536][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1210.641131][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1210.646089][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1210.650948][T18911] do_syscall_64+0xb0/0x150 [ 1210.655456][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1210.661336][T18911] [ 1210.663658][T18911] Uninit was stored to memory at: [ 1210.668686][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1210.674405][T18911] __msan_chain_origin+0x50/0x90 [ 1210.679344][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1210.683936][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1210.688965][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1210.693817][T18911] do_syscall_64+0xb0/0x150 [ 1210.698326][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1210.704299][T18911] [ 1210.706622][T18911] Uninit was stored to memory at: [ 1210.711650][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1210.717367][T18911] __msan_chain_origin+0x50/0x90 [ 1210.722304][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1210.726901][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1210.731838][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1210.736685][T18911] do_syscall_64+0xb0/0x150 [ 1210.741192][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1210.747078][T18911] [ 1210.749395][T18911] Uninit was stored to memory at: [ 1210.754421][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1210.760150][T18911] __msan_chain_origin+0x50/0x90 [ 1210.765188][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1210.769789][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1210.774728][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1210.779586][T18911] do_syscall_64+0xb0/0x150 [ 1210.784099][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1210.789986][T18911] [ 1210.792319][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1210.799007][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1210.803427][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1210.958313][T18911] not chained 5480000 origins [ 1210.963043][T18911] CPU: 0 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1210.971713][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1210.981769][T18911] Call Trace: [ 1210.985070][T18911] dump_stack+0x1df/0x240 [ 1210.989416][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1210.995140][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1211.000262][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1211.006169][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1211.011462][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1211.016670][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1211.022481][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1211.028585][T18911] ? kfree+0x61/0x30f0 [ 1211.032653][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1211.037746][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1211.043424][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1211.049683][T18911] ? _copy_from_user+0x15b/0x260 [ 1211.054602][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1211.059700][T18911] __msan_chain_origin+0x50/0x90 [ 1211.064622][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1211.069209][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1211.074825][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1211.079934][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1211.084945][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1211.090821][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1211.095744][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1211.100780][T18911] do_syscall_64+0xb0/0x150 [ 1211.105333][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1211.111213][T18911] RIP: 0033:0x45c1d9 [ 1211.115099][T18911] Code: Bad RIP value. [ 1211.119143][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1211.127531][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1211.135482][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1211.143433][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1211.151394][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1211.159356][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1211.167315][T18911] Uninit was stored to memory at: [ 1211.172324][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1211.178031][T18911] __msan_chain_origin+0x50/0x90 [ 1211.182961][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1211.187535][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1211.192450][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1211.197280][T18911] do_syscall_64+0xb0/0x150 [ 1211.201784][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1211.207646][T18911] [ 1211.209953][T18911] Uninit was stored to memory at: [ 1211.214957][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1211.220666][T18911] __msan_chain_origin+0x50/0x90 [ 1211.225615][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1211.230191][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1211.235128][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1211.240089][T18911] do_syscall_64+0xb0/0x150 [ 1211.244571][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1211.250434][T18911] [ 1211.252737][T18911] Uninit was stored to memory at: [ 1211.257739][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1211.263442][T18911] __msan_chain_origin+0x50/0x90 [ 1211.268356][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1211.272925][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1211.277837][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1211.282691][T18911] do_syscall_64+0xb0/0x150 [ 1211.287175][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1211.293038][T18911] [ 1211.295353][T18911] Uninit was stored to memory at: [ 1211.300356][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1211.307184][T18911] __msan_chain_origin+0x50/0x90 [ 1211.312098][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1211.316665][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1211.321637][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1211.326466][T18911] do_syscall_64+0xb0/0x150 [ 1211.330952][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1211.336815][T18911] [ 1211.339118][T18911] Uninit was stored to memory at: [ 1211.344122][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1211.349819][T18911] __msan_chain_origin+0x50/0x90 [ 1211.354756][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1211.359332][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1211.364355][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1211.369380][T18911] do_syscall_64+0xb0/0x150 [ 1211.373869][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1211.379731][T18911] [ 1211.382035][T18911] Uninit was stored to memory at: [ 1211.387081][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1211.392790][T18911] __msan_chain_origin+0x50/0x90 [ 1211.397720][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1211.402317][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1211.407234][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1211.412063][T18911] do_syscall_64+0xb0/0x150 [ 1211.416542][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1211.422422][T18911] [ 1211.424724][T18911] Uninit was stored to memory at: [ 1211.429726][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1211.435425][T18911] __msan_chain_origin+0x50/0x90 [ 1211.440341][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1211.444921][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1211.449981][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1211.454837][T18911] do_syscall_64+0xb0/0x150 [ 1211.459323][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1211.465205][T18911] [ 1211.467511][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1211.474162][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1211.478555][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1211.634658][T18911] not chained 5490000 origins [ 1211.639497][T18911] CPU: 0 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1211.648515][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1211.658571][T18911] Call Trace: [ 1211.661872][T18911] dump_stack+0x1df/0x240 [ 1211.666212][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1211.671942][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1211.677058][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1211.682970][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1211.688273][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1211.693480][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1211.699294][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1211.705376][T18911] ? kfree+0x61/0x30f0 [ 1211.709570][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1211.714691][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1211.720244][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1211.726322][T18911] ? _copy_from_user+0x15b/0x260 [ 1211.731268][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1211.736385][T18911] __msan_chain_origin+0x50/0x90 [ 1211.741332][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1211.745959][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1211.751250][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1211.756276][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1211.761302][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1211.767204][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1211.772157][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1211.777013][T18911] do_syscall_64+0xb0/0x150 [ 1211.781526][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1211.787420][T18911] RIP: 0033:0x45c1d9 [ 1211.791314][T18911] Code: Bad RIP value. [ 1211.795377][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1211.803793][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1211.811791][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1211.819779][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1211.827760][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1211.835998][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1211.843982][T18911] Uninit was stored to memory at: [ 1211.849015][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1211.854739][T18911] __msan_chain_origin+0x50/0x90 [ 1211.859682][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1211.864276][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1211.869215][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1211.874088][T18911] do_syscall_64+0xb0/0x150 [ 1211.878600][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1211.884487][T18911] [ 1211.886813][T18911] Uninit was stored to memory at: [ 1211.892277][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1211.897998][T18911] __msan_chain_origin+0x50/0x90 [ 1211.902939][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1211.907621][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1211.912567][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1211.917420][T18911] do_syscall_64+0xb0/0x150 [ 1211.921926][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1211.927803][T18911] [ 1211.930123][T18911] Uninit was stored to memory at: [ 1211.935154][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1211.940877][T18911] __msan_chain_origin+0x50/0x90 [ 1211.945825][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1211.950464][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1211.955405][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1211.960273][T18911] do_syscall_64+0xb0/0x150 [ 1211.964781][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1211.970678][T18911] [ 1211.973014][T18911] Uninit was stored to memory at: [ 1211.978162][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1211.983886][T18911] __msan_chain_origin+0x50/0x90 [ 1211.989266][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1211.994291][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1211.999321][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1212.004178][T18911] do_syscall_64+0xb0/0x150 [ 1212.008704][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1212.014586][T18911] [ 1212.016911][T18911] Uninit was stored to memory at: [ 1212.022463][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1212.028182][T18911] __msan_chain_origin+0x50/0x90 [ 1212.033122][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1212.037720][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1212.042659][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1212.047511][T18911] do_syscall_64+0xb0/0x150 [ 1212.052378][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1212.058267][T18911] [ 1212.060592][T18911] Uninit was stored to memory at: [ 1212.065620][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1212.071343][T18911] __msan_chain_origin+0x50/0x90 [ 1212.076372][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1212.081065][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1212.086005][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1212.090867][T18911] do_syscall_64+0xb0/0x150 [ 1212.095398][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1212.101278][T18911] [ 1212.103601][T18911] Uninit was stored to memory at: [ 1212.108662][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1212.114393][T18911] __msan_chain_origin+0x50/0x90 [ 1212.119331][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1212.123927][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1212.128866][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1212.133727][T18911] do_syscall_64+0xb0/0x150 [ 1212.138238][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1212.144117][T18911] [ 1212.146438][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1212.153115][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1212.157531][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1212.312720][T18911] not chained 5500000 origins [ 1212.317440][T18911] CPU: 0 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1212.326108][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1212.336163][T18911] Call Trace: [ 1212.339461][T18911] dump_stack+0x1df/0x240 [ 1212.343798][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1212.349515][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1212.354628][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1212.360524][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1212.365813][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1212.371013][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1212.376824][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1212.382891][T18911] ? kfree+0x61/0x30f0 [ 1212.386967][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1212.392080][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1212.397631][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1212.403709][T18911] ? _copy_from_user+0x15b/0x260 [ 1212.408649][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1212.413760][T18911] __msan_chain_origin+0x50/0x90 [ 1212.418707][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1212.423332][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1212.428621][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1212.433645][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1212.438669][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1212.444796][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1212.449755][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1212.454614][T18911] do_syscall_64+0xb0/0x150 [ 1212.459125][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1212.465015][T18911] RIP: 0033:0x45c1d9 [ 1212.468899][T18911] Code: Bad RIP value. [ 1212.472969][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1212.481381][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1212.489633][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1212.497606][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1212.505584][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1212.513560][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1212.521544][T18911] Uninit was stored to memory at: [ 1212.526581][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1212.532300][T18911] __msan_chain_origin+0x50/0x90 [ 1212.537239][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1212.541828][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1212.546763][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1212.551613][T18911] do_syscall_64+0xb0/0x150 [ 1212.556140][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1212.562018][T18911] [ 1212.564337][T18911] Uninit was stored to memory at: [ 1212.569366][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1212.575085][T18911] __msan_chain_origin+0x50/0x90 [ 1212.580029][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1212.584619][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1212.589561][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1212.594408][T18911] do_syscall_64+0xb0/0x150 [ 1212.598912][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1212.604821][T18911] [ 1212.607140][T18911] Uninit was stored to memory at: [ 1212.612169][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1212.617911][T18911] __msan_chain_origin+0x50/0x90 [ 1212.622848][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1212.627436][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1212.632376][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1212.637232][T18911] do_syscall_64+0xb0/0x150 [ 1212.641740][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1212.647621][T18911] [ 1212.649954][T18911] Uninit was stored to memory at: [ 1212.654994][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1212.660730][T18911] __msan_chain_origin+0x50/0x90 [ 1212.665675][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1212.670267][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1212.675205][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1212.680061][T18911] do_syscall_64+0xb0/0x150 [ 1212.684573][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1212.690451][T18911] [ 1212.692773][T18911] Uninit was stored to memory at: [ 1212.697801][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1212.703532][T18911] __msan_chain_origin+0x50/0x90 [ 1212.708474][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1212.713069][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1212.718003][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1212.722861][T18911] do_syscall_64+0xb0/0x150 [ 1212.727379][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1212.733274][T18911] [ 1212.735602][T18911] Uninit was stored to memory at: [ 1212.740627][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1212.746375][T18911] __msan_chain_origin+0x50/0x90 [ 1212.751314][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1212.755904][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1212.760843][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1212.765710][T18911] do_syscall_64+0xb0/0x150 [ 1212.770222][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1212.776106][T18911] [ 1212.778427][T18911] Uninit was stored to memory at: [ 1212.783470][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1212.791041][T18911] __msan_chain_origin+0x50/0x90 [ 1212.795988][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1212.800585][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1212.805528][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1212.810384][T18911] do_syscall_64+0xb0/0x150 [ 1212.815122][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1212.821032][T18911] [ 1212.823361][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1212.830185][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1212.834600][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1212.989761][T18911] not chained 5510000 origins [ 1212.994482][T18911] CPU: 0 PID: 18911 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1213.003147][T18911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1213.013195][T18911] Call Trace: [ 1213.016492][T18911] dump_stack+0x1df/0x240 [ 1213.020836][T18911] kmsan_internal_chain_origin+0x6f/0x130 [ 1213.026559][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1213.031681][T18911] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1213.037577][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1213.042895][T18911] ? kmsan_get_metadata+0x11d/0x180 [ 1213.048101][T18911] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1213.053912][T18911] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1213.059982][T18911] ? kfree+0x61/0x30f0 [ 1213.064056][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1213.069166][T18911] ? kmsan_set_origin_checked+0x95/0xf0 [ 1213.074716][T18911] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1213.080791][T18911] ? _copy_from_user+0x15b/0x260 [ 1213.085731][T18911] ? kmsan_get_metadata+0x4f/0x180 [ 1213.090845][T18911] __msan_chain_origin+0x50/0x90 [ 1213.095792][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1213.100416][T18911] ? __msan_poison_alloca+0xf0/0x120 [ 1213.105735][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1213.110760][T18911] ? __se_sys_recvmmsg+0xac/0x350 [ 1213.115789][T18911] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1213.121692][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1213.126638][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1213.131496][T18911] do_syscall_64+0xb0/0x150 [ 1213.136455][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1213.142343][T18911] RIP: 0033:0x45c1d9 [ 1213.146226][T18911] Code: Bad RIP value. [ 1213.150287][T18911] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1213.158704][T18911] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1213.166765][T18911] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1213.174737][T18911] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1213.182710][T18911] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1213.190685][T18911] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1213.198663][T18911] Uninit was stored to memory at: [ 1213.203701][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1213.209420][T18911] __msan_chain_origin+0x50/0x90 [ 1213.214362][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1213.218962][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1213.223899][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1213.228750][T18911] do_syscall_64+0xb0/0x150 [ 1213.233255][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1213.239134][T18911] [ 1213.241476][T18911] Uninit was stored to memory at: [ 1213.246504][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1213.252234][T18911] __msan_chain_origin+0x50/0x90 [ 1213.257173][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1213.261762][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1213.266741][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1213.271592][T18911] do_syscall_64+0xb0/0x150 [ 1213.276124][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1213.282001][T18911] [ 1213.284318][T18911] Uninit was stored to memory at: [ 1213.289347][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1213.295068][T18911] __msan_chain_origin+0x50/0x90 [ 1213.300004][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1213.304593][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1213.309529][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1213.314378][T18911] do_syscall_64+0xb0/0x150 [ 1213.318886][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1213.324765][T18911] [ 1213.327085][T18911] Uninit was stored to memory at: [ 1213.332114][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1213.337832][T18911] __msan_chain_origin+0x50/0x90 [ 1213.342769][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1213.347365][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1213.352309][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1213.357161][T18911] do_syscall_64+0xb0/0x150 [ 1213.361674][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1213.367557][T18911] [ 1213.369878][T18911] Uninit was stored to memory at: [ 1213.374905][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1213.380621][T18911] __msan_chain_origin+0x50/0x90 [ 1213.385559][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1213.390168][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1213.395105][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1213.399965][T18911] do_syscall_64+0xb0/0x150 [ 1213.404473][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1213.410353][T18911] [ 1213.412675][T18911] Uninit was stored to memory at: [ 1213.417706][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1213.423424][T18911] __msan_chain_origin+0x50/0x90 [ 1213.431420][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1213.436008][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1213.440946][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1213.445798][T18911] do_syscall_64+0xb0/0x150 [ 1213.450335][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1213.456217][T18911] [ 1213.458536][T18911] Uninit was stored to memory at: [ 1213.463563][T18911] kmsan_internal_chain_origin+0xad/0x130 [ 1213.469282][T18911] __msan_chain_origin+0x50/0x90 [ 1213.474223][T18911] do_recvmmsg+0x105a/0x1ee0 [ 1213.478822][T18911] __se_sys_recvmmsg+0x1d1/0x350 [ 1213.484105][T18911] __x64_sys_recvmmsg+0x62/0x80 [ 1213.488958][T18911] do_syscall_64+0xb0/0x150 [ 1213.493461][T18911] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1213.499339][T18911] [ 1213.501661][T18911] Local variable ----msg_sys@do_recvmmsg created at: [ 1213.508340][T18911] do_recvmmsg+0xc5/0x1ee0 [ 1213.512754][T18911] do_recvmmsg+0xc5/0x1ee0 15:36:23 executing program 3: prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) r1 = socket(0x10, 0x80002, 0x0) bind$netlink(r1, &(0x7f0000177ff4)={0x10, 0x0, 0x1}, 0xc) write(r1, &(0x7f0000000140)="2600000022004701050000000000000005006d20002b1f000a4a51f1ee839cd53400b017ca5b", 0x26) connect$netlink(r1, &(0x7f00000014c0)=@proc={0x10, 0x0, 0x1}, 0xc) setsockopt$sock_int(r1, 0x1, 0x8, &(0x7f0000b4bffc), 0xfd49) sendto(r1, 0x0, 0x0, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000000780), 0x3ffffffffffff81, 0x2, 0x0) 15:36:23 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB], 0x110}}, 0x0) 15:36:23 executing program 1: 15:36:23 executing program 5: 15:36:23 executing program 2: r0 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x0, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(r0, 0xc01864ba, &(0x7f0000000040)={0x2, 0x16, 0x21}) 15:36:23 executing program 0: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x202, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, 0x0}}, 0x20) syz_genetlink_get_family_id$mptcp(&(0x7f00000000c0)='mptcp_pm\x00') ioctl$SNDCTL_DSP_SYNC(r0, 0x5001, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/dlm-control\x00', 0x101001, 0x0) write$P9_RREADDIR(r1, 0x0, 0xa9) setsockopt$EBT_SO_SET_COUNTERS(r1, 0x0, 0x81, &(0x7f0000000140)={'filter\x00', 0x0, 0x0, 0x0, [], 0x6, &(0x7f0000000040)=[{}, {}, {}, {}, {}, {}, {}], 0x0, [{}, {}, {}, {}, {}, {}]}, 0xd8) ioctl$SNDCTL_DSP_SYNC(r0, 0x5001, 0x0) 15:36:23 executing program 1: 15:36:23 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB], 0x110}}, 0x0) 15:36:23 executing program 5: 15:36:23 executing program 2: r0 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x0, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(r0, 0xc01864ba, &(0x7f0000000040)={0x2, 0x16, 0x21}) 15:36:23 executing program 1: 15:36:23 executing program 2: r0 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x0, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(r0, 0xc01864ba, &(0x7f0000000040)={0x2, 0x16, 0x21}) [ 1214.831352][T18950] not chained 5520000 origins [ 1214.836080][T18950] CPU: 1 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1214.844754][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1214.854811][T18950] Call Trace: [ 1214.858104][T18950] dump_stack+0x1df/0x240 [ 1214.862432][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1214.868170][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1214.873292][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1214.879180][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1214.884466][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1214.889657][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1214.895467][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1214.901525][T18950] ? kfree+0x61/0x30f0 [ 1214.905672][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1214.910773][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1214.916309][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1214.922366][T18950] ? _copy_from_user+0x15b/0x260 [ 1214.927294][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1214.932393][T18950] __msan_chain_origin+0x50/0x90 [ 1214.937325][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1214.941931][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1214.947212][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1214.952324][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1214.957353][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1214.963270][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1214.968217][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1214.973080][T18950] do_syscall_64+0xb0/0x150 [ 1214.977592][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1214.983476][T18950] RIP: 0033:0x45c1d9 [ 1214.987353][T18950] Code: Bad RIP value. [ 1214.991403][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1214.999800][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1215.007762][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1215.015720][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1215.023685][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1215.031646][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1215.039614][T18950] Uninit was stored to memory at: [ 1215.044633][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1215.050358][T18950] __msan_chain_origin+0x50/0x90 [ 1215.055286][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1215.059891][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1215.064844][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1215.069684][T18950] do_syscall_64+0xb0/0x150 [ 1215.074173][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1215.080046][T18950] [ 1215.082359][T18950] Uninit was stored to memory at: [ 1215.087400][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1215.093106][T18950] __msan_chain_origin+0x50/0x90 [ 1215.098038][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1215.102618][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1215.107545][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1215.112385][T18950] do_syscall_64+0xb0/0x150 [ 1215.116886][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1215.122760][T18950] [ 1215.125070][T18950] Uninit was stored to memory at: [ 1215.130116][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1215.135820][T18950] __msan_chain_origin+0x50/0x90 [ 1215.140743][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1215.145324][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1215.150250][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1215.155088][T18950] do_syscall_64+0xb0/0x150 [ 1215.159579][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1215.165451][T18950] [ 1215.167762][T18950] Uninit was stored to memory at: [ 1215.172776][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1215.178492][T18950] __msan_chain_origin+0x50/0x90 [ 1215.183418][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1215.187997][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1215.192928][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1215.197780][T18950] do_syscall_64+0xb0/0x150 [ 1215.202317][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1215.208208][T18950] [ 1215.210516][T18950] Uninit was stored to memory at: [ 1215.216412][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1215.222133][T18950] __msan_chain_origin+0x50/0x90 [ 1215.227144][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1215.231723][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1215.236649][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1215.241490][T18950] do_syscall_64+0xb0/0x150 [ 1215.245984][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1215.251854][T18950] [ 1215.254164][T18950] Uninit was stored to memory at: [ 1215.259179][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1215.264887][T18950] __msan_chain_origin+0x50/0x90 [ 1215.269810][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1215.274409][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1215.279335][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1215.284171][T18950] do_syscall_64+0xb0/0x150 [ 1215.288691][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1215.294563][T18950] [ 1215.296871][T18950] Uninit was stored to memory at: [ 1215.301885][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1215.307592][T18950] __msan_chain_origin+0x50/0x90 [ 1215.312524][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1215.317107][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1215.322084][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1215.326925][T18950] do_syscall_64+0xb0/0x150 [ 1215.331419][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1215.337289][T18950] [ 1215.339603][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1215.346264][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1215.350688][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1216.047404][T18950] not chained 5530000 origins [ 1216.052139][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1216.060815][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1216.070885][T18950] Call Trace: [ 1216.074196][T18950] dump_stack+0x1df/0x240 [ 1216.078539][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1216.084271][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1216.089399][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1216.095305][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1216.100608][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1216.105817][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1216.111634][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1216.117709][T18950] ? kfree+0x61/0x30f0 [ 1216.121790][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1216.126912][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1216.132469][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1216.138552][T18950] ? _copy_from_user+0x15b/0x260 [ 1216.143500][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1216.148622][T18950] __msan_chain_origin+0x50/0x90 [ 1216.153571][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1216.158212][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1216.163509][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1216.168564][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1216.173613][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1216.179522][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1216.184486][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1216.189354][T18950] do_syscall_64+0xb0/0x150 [ 1216.193871][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1216.199764][T18950] RIP: 0033:0x45c1d9 [ 1216.203760][T18950] Code: Bad RIP value. [ 1216.207825][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1216.216241][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1216.224219][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1216.232200][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1216.240195][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1216.248201][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1216.256186][T18950] Uninit was stored to memory at: [ 1216.261239][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1216.267013][T18950] __msan_chain_origin+0x50/0x90 [ 1216.271966][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1216.276590][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1216.281535][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1216.286393][T18950] do_syscall_64+0xb0/0x150 [ 1216.290997][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1216.296881][T18950] [ 1216.299331][T18950] Uninit was stored to memory at: [ 1216.304375][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1216.310105][T18950] __msan_chain_origin+0x50/0x90 [ 1216.315058][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1216.319660][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1216.324607][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1216.329465][T18950] do_syscall_64+0xb0/0x150 [ 1216.333977][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1216.339861][T18950] [ 1216.342188][T18950] Uninit was stored to memory at: [ 1216.347223][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1216.353045][T18950] __msan_chain_origin+0x50/0x90 [ 1216.357998][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1216.362611][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1216.367562][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1216.372425][T18950] do_syscall_64+0xb0/0x150 [ 1216.376937][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1216.382821][T18950] [ 1216.385150][T18950] Uninit was stored to memory at: [ 1216.390183][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1216.395913][T18950] __msan_chain_origin+0x50/0x90 [ 1216.400865][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1216.405464][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1216.410418][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1216.415307][T18950] do_syscall_64+0xb0/0x150 [ 1216.419824][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1216.425712][T18950] [ 1216.428038][T18950] Uninit was stored to memory at: [ 1216.433071][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1216.438797][T18950] __msan_chain_origin+0x50/0x90 [ 1216.443749][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1216.448355][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1216.453302][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1216.458162][T18950] do_syscall_64+0xb0/0x150 [ 1216.462773][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1216.468656][T18950] [ 1216.470979][T18950] Uninit was stored to memory at: [ 1216.476016][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1216.481744][T18950] __msan_chain_origin+0x50/0x90 [ 1216.486690][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1216.491297][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1216.496257][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1216.501391][T18950] do_syscall_64+0xb0/0x150 [ 1216.505909][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1216.511800][T18950] [ 1216.514135][T18950] Uninit was stored to memory at: [ 1216.519999][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1216.525728][T18950] __msan_chain_origin+0x50/0x90 [ 1216.530680][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1216.535280][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1216.540235][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1216.545100][T18950] do_syscall_64+0xb0/0x150 [ 1216.549625][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1216.555508][T18950] [ 1216.557832][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1216.564606][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1216.569033][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1216.815271][T18950] not chained 5540000 origins [ 1216.820120][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1216.828792][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1216.838851][T18950] Call Trace: [ 1216.842160][T18950] dump_stack+0x1df/0x240 [ 1216.846678][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1216.852407][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1216.857529][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1216.863433][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1216.868732][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1216.873941][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1216.879771][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1216.885847][T18950] ? kfree+0x61/0x30f0 [ 1216.889935][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1216.895061][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1216.900632][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1216.906719][T18950] ? _copy_from_user+0x15b/0x260 [ 1216.911671][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1216.916790][T18950] __msan_chain_origin+0x50/0x90 [ 1216.921742][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1216.926376][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1216.931676][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1216.936708][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1216.941747][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1216.947660][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1216.952627][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1216.957494][T18950] do_syscall_64+0xb0/0x150 [ 1216.962012][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1216.967908][T18950] RIP: 0033:0x45c1d9 [ 1216.971816][T18950] Code: Bad RIP value. [ 1216.975888][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1216.984300][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1216.992271][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1217.000242][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1217.008215][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1217.016192][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1217.024174][T18950] Uninit was stored to memory at: [ 1217.029216][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1217.034948][T18950] __msan_chain_origin+0x50/0x90 [ 1217.039892][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1217.044485][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1217.049422][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1217.054271][T18950] do_syscall_64+0xb0/0x150 [ 1217.058773][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1217.064649][T18950] [ 1217.066971][T18950] Uninit was stored to memory at: [ 1217.071998][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1217.077716][T18950] __msan_chain_origin+0x50/0x90 [ 1217.082657][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1217.087258][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1217.092199][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1217.097051][T18950] do_syscall_64+0xb0/0x150 [ 1217.101553][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1217.107432][T18950] [ 1217.109927][T18950] Uninit was stored to memory at: [ 1217.114955][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1217.120677][T18950] __msan_chain_origin+0x50/0x90 [ 1217.125619][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1217.130214][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1217.135162][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1217.140017][T18950] do_syscall_64+0xb0/0x150 [ 1217.144534][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1217.150412][T18950] [ 1217.152733][T18950] Uninit was stored to memory at: [ 1217.157758][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1217.163474][T18950] __msan_chain_origin+0x50/0x90 [ 1217.168417][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1217.173094][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1217.178029][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1217.182968][T18950] do_syscall_64+0xb0/0x150 [ 1217.187472][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1217.193350][T18950] [ 1217.195667][T18950] Uninit was stored to memory at: [ 1217.200691][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1217.206507][T18950] __msan_chain_origin+0x50/0x90 [ 1217.211446][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1217.216035][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1217.220975][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1217.225854][T18950] do_syscall_64+0xb0/0x150 [ 1217.230530][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1217.236408][T18950] [ 1217.238728][T18950] Uninit was stored to memory at: [ 1217.243758][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1217.249482][T18950] __msan_chain_origin+0x50/0x90 [ 1217.254423][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1217.259021][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1217.264029][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1217.268900][T18950] do_syscall_64+0xb0/0x150 [ 1217.273419][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1217.279298][T18950] [ 1217.281617][T18950] Uninit was stored to memory at: [ 1217.286642][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1217.292369][T18950] __msan_chain_origin+0x50/0x90 [ 1217.297314][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1217.301902][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1217.307272][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1217.312126][T18950] do_syscall_64+0xb0/0x150 [ 1217.316636][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1217.322517][T18950] [ 1217.324838][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1217.331518][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1217.335937][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1217.608152][T18950] not chained 5550000 origins [ 1217.612911][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1217.621672][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1217.631796][T18950] Call Trace: [ 1217.635073][T18950] dump_stack+0x1df/0x240 [ 1217.639568][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1217.645327][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1217.650440][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1217.656446][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1217.661859][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1217.667061][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1217.672846][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1217.678894][T18950] ? kfree+0x61/0x30f0 [ 1217.682944][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1217.688148][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1217.693682][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1217.699734][T18950] ? _copy_from_user+0x15b/0x260 [ 1217.704672][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1217.709767][T18950] __msan_chain_origin+0x50/0x90 [ 1217.714704][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1217.719486][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1217.724753][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1217.729767][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1217.734779][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1217.740662][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1217.745587][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1217.750438][T18950] do_syscall_64+0xb0/0x150 [ 1217.754919][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1217.760786][T18950] RIP: 0033:0x45c1d9 [ 1217.764653][T18950] Code: Bad RIP value. [ 1217.768693][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1217.777097][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1217.785055][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1217.793176][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1217.801370][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1217.809327][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1217.817286][T18950] Uninit was stored to memory at: [ 1217.822295][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1217.827989][T18950] __msan_chain_origin+0x50/0x90 [ 1217.832903][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1217.837471][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1217.842385][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1217.847214][T18950] do_syscall_64+0xb0/0x150 [ 1217.851694][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1217.857731][T18950] [ 1217.860036][T18950] Uninit was stored to memory at: [ 1217.865043][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1217.870766][T18950] __msan_chain_origin+0x50/0x90 [ 1217.875696][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1217.880266][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1217.885178][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1217.890006][T18950] do_syscall_64+0xb0/0x150 [ 1217.894515][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1217.900396][T18950] [ 1217.902723][T18950] Uninit was stored to memory at: [ 1217.907731][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1217.913445][T18950] __msan_chain_origin+0x50/0x90 [ 1217.918451][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1217.923018][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1217.927948][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1217.932776][T18950] do_syscall_64+0xb0/0x150 [ 1217.937262][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1217.943144][T18950] [ 1217.945445][T18950] Uninit was stored to memory at: [ 1217.950449][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1217.956145][T18950] __msan_chain_origin+0x50/0x90 [ 1217.961059][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1217.965744][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1217.970670][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1217.975524][T18950] do_syscall_64+0xb0/0x150 [ 1217.980007][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1217.985869][T18950] [ 1217.988169][T18950] Uninit was stored to memory at: [ 1217.993190][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1217.998905][T18950] __msan_chain_origin+0x50/0x90 [ 1218.003837][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1218.008599][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1218.013564][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1218.018483][T18950] do_syscall_64+0xb0/0x150 [ 1218.022962][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1218.028823][T18950] [ 1218.031299][T18950] Uninit was stored to memory at: [ 1218.036302][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1218.042112][T18950] __msan_chain_origin+0x50/0x90 [ 1218.047032][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1218.051598][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1218.056513][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1218.061355][T18950] do_syscall_64+0xb0/0x150 [ 1218.065863][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1218.071845][T18950] [ 1218.074212][T18950] Uninit was stored to memory at: [ 1218.079242][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1218.084940][T18950] __msan_chain_origin+0x50/0x90 [ 1218.089860][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1218.095642][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1218.100609][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1218.105447][T18950] do_syscall_64+0xb0/0x150 [ 1218.110004][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1218.115869][T18950] [ 1218.118175][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1218.124833][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1218.129227][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1218.284374][T18950] not chained 5560000 origins [ 1218.289100][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1218.297769][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1218.307829][T18950] Call Trace: [ 1218.311125][T18950] dump_stack+0x1df/0x240 [ 1218.315461][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1218.321185][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1218.326301][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1218.332200][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1218.337490][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1218.342706][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1218.348520][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1218.354618][T18950] ? kfree+0x61/0x30f0 [ 1218.358701][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1218.363818][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1218.369368][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1218.375439][T18950] ? _copy_from_user+0x15b/0x260 [ 1218.380379][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1218.385494][T18950] __msan_chain_origin+0x50/0x90 [ 1218.390440][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1218.395064][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1218.400354][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1218.405380][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1218.410408][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1218.416306][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1218.421262][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1218.426120][T18950] do_syscall_64+0xb0/0x150 [ 1218.430636][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1218.436529][T18950] RIP: 0033:0x45c1d9 [ 1218.440412][T18950] Code: Bad RIP value. [ 1218.444471][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1218.452877][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1218.461458][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1218.469512][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1218.477555][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1218.485535][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1218.493516][T18950] Uninit was stored to memory at: [ 1218.498557][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1218.504278][T18950] __msan_chain_origin+0x50/0x90 [ 1218.509485][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1218.514077][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1218.519013][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1218.523870][T18950] do_syscall_64+0xb0/0x150 [ 1218.528373][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1218.534253][T18950] [ 1218.536572][T18950] Uninit was stored to memory at: [ 1218.541600][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1218.547322][T18950] __msan_chain_origin+0x50/0x90 [ 1218.552262][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1218.556852][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1218.561789][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1218.567073][T18950] do_syscall_64+0xb0/0x150 [ 1218.571593][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1218.577482][T18950] [ 1218.579817][T18950] Uninit was stored to memory at: [ 1218.584850][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1218.590580][T18950] __msan_chain_origin+0x50/0x90 [ 1218.595524][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1218.600120][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1218.605058][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1218.609913][T18950] do_syscall_64+0xb0/0x150 [ 1218.614416][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1218.620295][T18950] [ 1218.622629][T18950] Uninit was stored to memory at: [ 1218.627742][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1218.633469][T18950] __msan_chain_origin+0x50/0x90 [ 1218.638409][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1218.643011][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1218.647965][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1218.652829][T18950] do_syscall_64+0xb0/0x150 [ 1218.657334][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1218.663236][T18950] [ 1218.665556][T18950] Uninit was stored to memory at: [ 1218.670585][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1218.676401][T18950] __msan_chain_origin+0x50/0x90 [ 1218.681341][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1218.685934][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1218.690873][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1218.695725][T18950] do_syscall_64+0xb0/0x150 [ 1218.700318][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1218.706198][T18950] [ 1218.708522][T18950] Uninit was stored to memory at: [ 1218.713550][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1218.719271][T18950] __msan_chain_origin+0x50/0x90 [ 1218.724206][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1218.728799][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1218.733736][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1218.738591][T18950] do_syscall_64+0xb0/0x150 [ 1218.743098][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1218.748979][T18950] [ 1218.751309][T18950] Uninit was stored to memory at: [ 1218.756334][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1218.762053][T18950] __msan_chain_origin+0x50/0x90 [ 1218.766990][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1218.771581][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1218.776536][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1218.781399][T18950] do_syscall_64+0xb0/0x150 [ 1218.785912][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1218.791797][T18950] [ 1218.794124][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1218.800802][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1218.805218][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1218.958015][T18950] not chained 5570000 origins [ 1218.962737][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1218.971405][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1218.981458][T18950] Call Trace: [ 1218.984753][T18950] dump_stack+0x1df/0x240 [ 1218.989098][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1218.994822][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1218.999945][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1219.005841][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1219.011129][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1219.016332][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1219.024747][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1219.030816][T18950] ? kfree+0x61/0x30f0 [ 1219.034891][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1219.040177][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1219.045725][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1219.051804][T18950] ? _copy_from_user+0x15b/0x260 [ 1219.056741][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1219.061851][T18950] __msan_chain_origin+0x50/0x90 [ 1219.066795][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1219.071422][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1219.076799][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1219.081827][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1219.087287][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1219.093186][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1219.098139][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1219.103003][T18950] do_syscall_64+0xb0/0x150 [ 1219.107513][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1219.113407][T18950] RIP: 0033:0x45c1d9 [ 1219.117289][T18950] Code: Bad RIP value. [ 1219.121348][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1219.129758][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1219.137816][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1219.145790][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1219.153761][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1219.161730][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1219.169706][T18950] Uninit was stored to memory at: [ 1219.174734][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1219.180537][T18950] __msan_chain_origin+0x50/0x90 [ 1219.185478][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1219.190067][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1219.195002][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1219.199856][T18950] do_syscall_64+0xb0/0x150 [ 1219.204358][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1219.210234][T18950] [ 1219.212557][T18950] Uninit was stored to memory at: [ 1219.217582][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1219.223299][T18950] __msan_chain_origin+0x50/0x90 [ 1219.228236][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1219.232827][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1219.237778][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1219.242631][T18950] do_syscall_64+0xb0/0x150 [ 1219.247135][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1219.253016][T18950] [ 1219.255333][T18950] Uninit was stored to memory at: [ 1219.260357][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1219.266100][T18950] __msan_chain_origin+0x50/0x90 [ 1219.271040][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1219.275738][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1219.280676][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1219.285527][T18950] do_syscall_64+0xb0/0x150 [ 1219.290036][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1219.295915][T18950] [ 1219.298235][T18950] Uninit was stored to memory at: [ 1219.303261][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1219.308976][T18950] __msan_chain_origin+0x50/0x90 [ 1219.313915][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1219.319555][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1219.324495][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1219.329350][T18950] do_syscall_64+0xb0/0x150 [ 1219.333853][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1219.339735][T18950] [ 1219.342055][T18950] Uninit was stored to memory at: [ 1219.347080][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1219.352809][T18950] __msan_chain_origin+0x50/0x90 [ 1219.357758][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1219.362354][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1219.367293][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1219.372147][T18950] do_syscall_64+0xb0/0x150 [ 1219.376746][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1219.382624][T18950] [ 1219.384945][T18950] Uninit was stored to memory at: [ 1219.389972][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1219.395693][T18950] __msan_chain_origin+0x50/0x90 [ 1219.400629][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1219.405227][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1219.410170][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1219.415027][T18950] do_syscall_64+0xb0/0x150 [ 1219.419533][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1219.425412][T18950] [ 1219.427732][T18950] Uninit was stored to memory at: [ 1219.432757][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1219.438471][T18950] __msan_chain_origin+0x50/0x90 [ 1219.443410][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1219.448012][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1219.453039][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1219.457913][T18950] do_syscall_64+0xb0/0x150 [ 1219.462416][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1219.468296][T18950] [ 1219.470618][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1219.477332][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1219.481745][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1219.634600][T18950] not chained 5580000 origins [ 1219.639339][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1219.648018][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1219.658078][T18950] Call Trace: [ 1219.661375][T18950] dump_stack+0x1df/0x240 [ 1219.665719][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1219.671441][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1219.676552][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1219.682454][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1219.687746][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1219.692951][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1219.698762][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1219.704832][T18950] ? kfree+0x61/0x30f0 [ 1219.708910][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1219.714196][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1219.719744][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1219.725819][T18950] ? _copy_from_user+0x15b/0x260 [ 1219.730758][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1219.735868][T18950] __msan_chain_origin+0x50/0x90 [ 1219.740811][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1219.745432][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1219.750726][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1219.756185][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1219.761215][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1219.767114][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1219.772066][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1219.776921][T18950] do_syscall_64+0xb0/0x150 [ 1219.781428][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1219.787321][T18950] RIP: 0033:0x45c1d9 [ 1219.791208][T18950] Code: Bad RIP value. [ 1219.795267][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1219.803810][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1219.811790][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1219.819766][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1219.827745][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1219.835725][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1219.843712][T18950] Uninit was stored to memory at: [ 1219.848743][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1219.854462][T18950] __msan_chain_origin+0x50/0x90 [ 1219.859405][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1219.863997][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1219.868933][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1219.873784][T18950] do_syscall_64+0xb0/0x150 [ 1219.878378][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1219.884260][T18950] [ 1219.886583][T18950] Uninit was stored to memory at: [ 1219.891615][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1219.897337][T18950] __msan_chain_origin+0x50/0x90 [ 1219.902275][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1219.906865][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1219.911802][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1219.916652][T18950] do_syscall_64+0xb0/0x150 [ 1219.921162][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1219.927109][T18950] [ 1219.929436][T18950] Uninit was stored to memory at: [ 1219.934457][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1219.940176][T18950] __msan_chain_origin+0x50/0x90 [ 1219.945115][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1219.949709][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1219.954656][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1219.959512][T18950] do_syscall_64+0xb0/0x150 [ 1219.964016][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1219.969895][T18950] [ 1219.972213][T18950] Uninit was stored to memory at: [ 1219.977237][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1219.982963][T18950] __msan_chain_origin+0x50/0x90 [ 1219.987899][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1219.992486][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1219.997423][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1220.002272][T18950] do_syscall_64+0xb0/0x150 [ 1220.006775][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1220.012663][T18950] [ 1220.014996][T18950] Uninit was stored to memory at: [ 1220.020031][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1220.025758][T18950] __msan_chain_origin+0x50/0x90 [ 1220.030706][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1220.035298][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1220.040238][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1220.045092][T18950] do_syscall_64+0xb0/0x150 [ 1220.049596][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1220.055475][T18950] [ 1220.057795][T18950] Uninit was stored to memory at: [ 1220.062822][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1220.068539][T18950] __msan_chain_origin+0x50/0x90 [ 1220.073505][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1220.078098][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1220.083037][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1220.087887][T18950] do_syscall_64+0xb0/0x150 [ 1220.092390][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1220.098273][T18950] [ 1220.100594][T18950] Uninit was stored to memory at: [ 1220.105624][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1220.111344][T18950] __msan_chain_origin+0x50/0x90 [ 1220.116284][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1220.120874][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1220.125815][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1220.130672][T18950] do_syscall_64+0xb0/0x150 [ 1220.135182][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1220.141062][T18950] [ 1220.143384][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1220.150064][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1220.154479][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1220.311188][T18950] not chained 5590000 origins [ 1220.315915][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1220.327271][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1220.337321][T18950] Call Trace: [ 1220.340616][T18950] dump_stack+0x1df/0x240 [ 1220.344951][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1220.350676][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1220.355789][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1220.361684][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1220.366975][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1220.372215][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1220.378113][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1220.384187][T18950] ? kfree+0x61/0x30f0 [ 1220.388260][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1220.393368][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1220.398916][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1220.404987][T18950] ? _copy_from_user+0x15b/0x260 [ 1220.409925][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1220.415055][T18950] __msan_chain_origin+0x50/0x90 [ 1220.420002][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1220.424631][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1220.429924][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1220.434963][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1220.439992][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1220.445890][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1220.450840][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1220.455693][T18950] do_syscall_64+0xb0/0x150 [ 1220.460203][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1220.466092][T18950] RIP: 0033:0x45c1d9 [ 1220.469976][T18950] Code: Bad RIP value. [ 1220.474039][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1220.482451][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1220.490423][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1220.498394][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1220.506365][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1220.514336][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1220.522315][T18950] Uninit was stored to memory at: [ 1220.527356][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1220.533074][T18950] __msan_chain_origin+0x50/0x90 [ 1220.538008][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1220.542599][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1220.547535][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1220.552385][T18950] do_syscall_64+0xb0/0x150 [ 1220.556886][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1220.562766][T18950] [ 1220.565083][T18950] Uninit was stored to memory at: [ 1220.570109][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1220.575827][T18950] __msan_chain_origin+0x50/0x90 [ 1220.580767][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1220.585356][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1220.590293][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1220.595146][T18950] do_syscall_64+0xb0/0x150 [ 1220.599652][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1220.605544][T18950] [ 1220.607867][T18950] Uninit was stored to memory at: [ 1220.612890][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1220.618614][T18950] __msan_chain_origin+0x50/0x90 [ 1220.623554][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1220.628156][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1220.633132][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1220.638029][T18950] do_syscall_64+0xb0/0x150 [ 1220.642545][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1220.648442][T18950] [ 1220.650766][T18950] Uninit was stored to memory at: [ 1220.655795][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1220.661514][T18950] __msan_chain_origin+0x50/0x90 [ 1220.666454][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1220.671040][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1220.675975][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1220.680826][T18950] do_syscall_64+0xb0/0x150 [ 1220.685333][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1220.691212][T18950] [ 1220.693528][T18950] Uninit was stored to memory at: [ 1220.698560][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1220.704279][T18950] __msan_chain_origin+0x50/0x90 [ 1220.709232][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1220.713827][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1220.718772][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1220.723623][T18950] do_syscall_64+0xb0/0x150 [ 1220.728127][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1220.734009][T18950] [ 1220.736330][T18950] Uninit was stored to memory at: [ 1220.741355][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1220.747075][T18950] __msan_chain_origin+0x50/0x90 [ 1220.752011][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1220.756601][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1220.761538][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1220.766397][T18950] do_syscall_64+0xb0/0x150 [ 1220.770903][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1220.776783][T18950] [ 1220.779102][T18950] Uninit was stored to memory at: [ 1220.784141][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1220.789891][T18950] __msan_chain_origin+0x50/0x90 [ 1220.794830][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1220.799420][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1220.804355][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1220.809208][T18950] do_syscall_64+0xb0/0x150 [ 1220.813874][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1220.819756][T18950] [ 1220.822080][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1220.828758][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1220.833174][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1220.987175][T18950] not chained 5600000 origins [ 1220.991906][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1221.000586][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1221.010642][T18950] Call Trace: [ 1221.013945][T18950] dump_stack+0x1df/0x240 [ 1221.018285][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1221.024015][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1221.029136][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1221.035035][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1221.040325][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1221.045523][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1221.051334][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1221.057404][T18950] ? kfree+0x61/0x30f0 [ 1221.061478][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1221.066590][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1221.072138][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1221.078214][T18950] ? _copy_from_user+0x15b/0x260 [ 1221.083183][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1221.088298][T18950] __msan_chain_origin+0x50/0x90 [ 1221.093238][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1221.097865][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1221.103157][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1221.108182][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1221.113228][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1221.119124][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1221.124076][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1221.128946][T18950] do_syscall_64+0xb0/0x150 [ 1221.133458][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1221.139352][T18950] RIP: 0033:0x45c1d9 [ 1221.143236][T18950] Code: Bad RIP value. [ 1221.147297][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1221.155714][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1221.163771][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1221.171739][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1221.179707][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1221.187682][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1221.195835][T18950] Uninit was stored to memory at: [ 1221.200867][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1221.206589][T18950] __msan_chain_origin+0x50/0x90 [ 1221.211528][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1221.216117][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1221.221064][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1221.225915][T18950] do_syscall_64+0xb0/0x150 [ 1221.230514][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1221.236391][T18950] [ 1221.238724][T18950] Uninit was stored to memory at: [ 1221.243750][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1221.249470][T18950] __msan_chain_origin+0x50/0x90 [ 1221.254529][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1221.259119][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1221.264139][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1221.268989][T18950] do_syscall_64+0xb0/0x150 [ 1221.273494][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1221.279379][T18950] [ 1221.281699][T18950] Uninit was stored to memory at: [ 1221.286721][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1221.292523][T18950] __msan_chain_origin+0x50/0x90 [ 1221.297459][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1221.302050][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1221.306986][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1221.311833][T18950] do_syscall_64+0xb0/0x150 [ 1221.316340][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1221.322220][T18950] [ 1221.324536][T18950] Uninit was stored to memory at: [ 1221.329559][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1221.335278][T18950] __msan_chain_origin+0x50/0x90 [ 1221.340219][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1221.344809][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1221.349745][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1221.354594][T18950] do_syscall_64+0xb0/0x150 [ 1221.359101][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1221.364988][T18950] [ 1221.367309][T18950] Uninit was stored to memory at: [ 1221.372340][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1221.378056][T18950] __msan_chain_origin+0x50/0x90 [ 1221.382994][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1221.387587][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1221.392524][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1221.397519][T18950] do_syscall_64+0xb0/0x150 [ 1221.402030][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1221.407907][T18950] [ 1221.410225][T18950] Uninit was stored to memory at: [ 1221.415249][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1221.421068][T18950] __msan_chain_origin+0x50/0x90 [ 1221.426007][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1221.430593][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1221.435532][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1221.440390][T18950] do_syscall_64+0xb0/0x150 [ 1221.444897][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1221.450776][T18950] [ 1221.453094][T18950] Uninit was stored to memory at: [ 1221.458122][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1221.463842][T18950] __msan_chain_origin+0x50/0x90 [ 1221.468778][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1221.473366][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1221.478304][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1221.484231][T18950] do_syscall_64+0xb0/0x150 [ 1221.488738][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1221.494616][T18950] [ 1221.496941][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1221.503612][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1221.508049][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1221.642604][T18950] not chained 5610000 origins [ 1221.647327][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1221.655985][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1221.666205][T18950] Call Trace: [ 1221.669486][T18950] dump_stack+0x1df/0x240 [ 1221.673797][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1221.679495][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1221.684586][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1221.690597][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1221.695868][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1221.701150][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1221.707281][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1221.713323][T18950] ? kfree+0x61/0x30f0 [ 1221.717369][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1221.722457][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1221.727980][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1221.734031][T18950] ? _copy_from_user+0x15b/0x260 [ 1221.738945][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1221.744057][T18950] __msan_chain_origin+0x50/0x90 [ 1221.748978][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1221.753565][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1221.758830][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1221.763831][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1221.768845][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1221.774731][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1221.779652][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1221.784482][T18950] do_syscall_64+0xb0/0x150 [ 1221.788993][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1221.794893][T18950] RIP: 0033:0x45c1d9 [ 1221.798758][T18950] Code: Bad RIP value. [ 1221.802798][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1221.811183][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1221.819138][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1221.827097][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1221.835159][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1221.843114][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1221.851067][T18950] Uninit was stored to memory at: [ 1221.856184][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1221.861879][T18950] __msan_chain_origin+0x50/0x90 [ 1221.866802][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1221.871379][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1221.876292][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1221.881125][T18950] do_syscall_64+0xb0/0x150 [ 1221.885630][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1221.891493][T18950] [ 1221.893807][T18950] Uninit was stored to memory at: [ 1221.898810][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1221.904514][T18950] __msan_chain_origin+0x50/0x90 [ 1221.909434][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1221.914032][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1221.918946][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1221.923870][T18950] do_syscall_64+0xb0/0x150 [ 1221.928353][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1221.934276][T18950] [ 1221.936593][T18950] Uninit was stored to memory at: [ 1221.941607][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1221.947305][T18950] __msan_chain_origin+0x50/0x90 [ 1221.952219][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1221.956792][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1221.961740][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1221.966593][T18950] do_syscall_64+0xb0/0x150 [ 1221.971079][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1221.976941][T18950] [ 1221.979246][T18950] Uninit was stored to memory at: [ 1221.984248][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1221.989943][T18950] __msan_chain_origin+0x50/0x90 [ 1221.994856][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1221.999422][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1222.004344][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1222.009182][T18950] do_syscall_64+0xb0/0x150 [ 1222.013663][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1222.019545][T18950] [ 1222.021849][T18950] Uninit was stored to memory at: [ 1222.026854][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1222.032548][T18950] __msan_chain_origin+0x50/0x90 [ 1222.037469][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1222.042056][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1222.047058][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1222.051885][T18950] do_syscall_64+0xb0/0x150 [ 1222.056365][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1222.062227][T18950] [ 1222.064527][T18950] Uninit was stored to memory at: [ 1222.069525][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1222.075305][T18950] __msan_chain_origin+0x50/0x90 [ 1222.080215][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1222.084779][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1222.089700][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1222.094545][T18950] do_syscall_64+0xb0/0x150 [ 1222.099029][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1222.104889][T18950] [ 1222.107205][T18950] Uninit was stored to memory at: [ 1222.112207][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1222.117910][T18950] __msan_chain_origin+0x50/0x90 [ 1222.122825][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1222.127394][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1222.132308][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1222.137134][T18950] do_syscall_64+0xb0/0x150 [ 1222.141616][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1222.147479][T18950] [ 1222.149782][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1222.156452][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1222.160844][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1222.317030][T18950] not chained 5620000 origins [ 1222.321756][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1222.330421][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1222.340473][T18950] Call Trace: [ 1222.343771][T18950] dump_stack+0x1df/0x240 [ 1222.348110][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1222.353830][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1222.358947][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1222.364841][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1222.370128][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1222.375419][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1222.381234][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1222.387317][T18950] ? kfree+0x61/0x30f0 [ 1222.391401][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1222.396519][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1222.402157][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1222.408234][T18950] ? _copy_from_user+0x15b/0x260 [ 1222.413174][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1222.418287][T18950] __msan_chain_origin+0x50/0x90 [ 1222.423231][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1222.428205][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1222.433495][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1222.438522][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1222.443547][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1222.449451][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1222.454407][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1222.459262][T18950] do_syscall_64+0xb0/0x150 [ 1222.463773][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1222.469661][T18950] RIP: 0033:0x45c1d9 [ 1222.473545][T18950] Code: Bad RIP value. [ 1222.477608][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1222.486017][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1222.494031][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1222.502010][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1222.509985][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1222.517959][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1222.525937][T18950] Uninit was stored to memory at: [ 1222.532014][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1222.537735][T18950] __msan_chain_origin+0x50/0x90 [ 1222.542672][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1222.547266][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1222.552202][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1222.557056][T18950] do_syscall_64+0xb0/0x150 [ 1222.561559][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1222.567441][T18950] [ 1222.569756][T18950] Uninit was stored to memory at: [ 1222.574779][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1222.580501][T18950] __msan_chain_origin+0x50/0x90 [ 1222.585442][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1222.590050][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1222.594988][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1222.599838][T18950] do_syscall_64+0xb0/0x150 [ 1222.604340][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1222.610227][T18950] [ 1222.612558][T18950] Uninit was stored to memory at: [ 1222.617584][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1222.623303][T18950] __msan_chain_origin+0x50/0x90 [ 1222.628406][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1222.633014][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1222.637961][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1222.642813][T18950] do_syscall_64+0xb0/0x150 [ 1222.647336][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1222.653222][T18950] [ 1222.655543][T18950] Uninit was stored to memory at: [ 1222.660575][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1222.666294][T18950] __msan_chain_origin+0x50/0x90 [ 1222.671238][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1222.675826][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1222.680761][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1222.685626][T18950] do_syscall_64+0xb0/0x150 [ 1222.690133][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1222.696013][T18950] [ 1222.698342][T18950] Uninit was stored to memory at: [ 1222.703369][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1222.709093][T18950] __msan_chain_origin+0x50/0x90 [ 1222.714031][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1222.718624][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1222.723558][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1222.728496][T18950] do_syscall_64+0xb0/0x150 [ 1222.733009][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1222.738983][T18950] [ 1222.741300][T18950] Uninit was stored to memory at: [ 1222.746336][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1222.752058][T18950] __msan_chain_origin+0x50/0x90 [ 1222.756997][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1222.761590][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1222.766525][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1222.771380][T18950] do_syscall_64+0xb0/0x150 [ 1222.775885][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1222.781765][T18950] [ 1222.784083][T18950] Uninit was stored to memory at: [ 1222.789116][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1222.794839][T18950] __msan_chain_origin+0x50/0x90 [ 1222.799776][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1222.804363][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1222.809307][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1222.814172][T18950] do_syscall_64+0xb0/0x150 [ 1222.818684][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1222.824566][T18950] [ 1222.826890][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1222.833562][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1222.837978][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1222.992165][T18950] not chained 5630000 origins [ 1222.996889][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1223.005557][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1223.015710][T18950] Call Trace: [ 1223.019007][T18950] dump_stack+0x1df/0x240 [ 1223.023343][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1223.029063][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1223.034181][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1223.040077][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1223.045367][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1223.050578][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1223.056386][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1223.062462][T18950] ? kfree+0x61/0x30f0 [ 1223.066535][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1223.071658][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1223.077205][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1223.083279][T18950] ? _copy_from_user+0x15b/0x260 [ 1223.088219][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1223.093333][T18950] __msan_chain_origin+0x50/0x90 [ 1223.098276][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1223.102903][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1223.108191][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1223.113215][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1223.118243][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1223.124155][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1223.129111][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1223.133973][T18950] do_syscall_64+0xb0/0x150 [ 1223.138486][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1223.144374][T18950] RIP: 0033:0x45c1d9 [ 1223.148258][T18950] Code: Bad RIP value. [ 1223.152318][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1223.160730][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1223.168700][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1223.176670][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1223.184644][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1223.192618][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1223.200687][T18950] Uninit was stored to memory at: [ 1223.205717][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1223.211518][T18950] __msan_chain_origin+0x50/0x90 [ 1223.216456][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1223.221067][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1223.226007][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1223.230859][T18950] do_syscall_64+0xb0/0x150 [ 1223.235362][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1223.241240][T18950] [ 1223.243558][T18950] Uninit was stored to memory at: [ 1223.248587][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1223.254306][T18950] __msan_chain_origin+0x50/0x90 [ 1223.259246][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1223.263833][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1223.268770][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1223.273632][T18950] do_syscall_64+0xb0/0x150 [ 1223.278139][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1223.284456][T18950] [ 1223.286773][T18950] Uninit was stored to memory at: [ 1223.291802][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1223.297516][T18950] __msan_chain_origin+0x50/0x90 [ 1223.302453][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1223.307041][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1223.311977][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1223.316828][T18950] do_syscall_64+0xb0/0x150 [ 1223.321333][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1223.327211][T18950] [ 1223.329530][T18950] Uninit was stored to memory at: [ 1223.334558][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1223.340277][T18950] __msan_chain_origin+0x50/0x90 [ 1223.345215][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1223.349807][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1223.354741][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1223.359592][T18950] do_syscall_64+0xb0/0x150 [ 1223.364094][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1223.369976][T18950] [ 1223.372293][T18950] Uninit was stored to memory at: [ 1223.377321][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1223.383040][T18950] __msan_chain_origin+0x50/0x90 [ 1223.387981][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1223.392570][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1223.397769][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1223.402620][T18950] do_syscall_64+0xb0/0x150 [ 1223.407128][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1223.413004][T18950] [ 1223.415318][T18950] Uninit was stored to memory at: [ 1223.420345][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1223.426202][T18950] __msan_chain_origin+0x50/0x90 [ 1223.431143][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1223.435738][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1223.440672][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1223.445523][T18950] do_syscall_64+0xb0/0x150 [ 1223.450030][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1223.455907][T18950] [ 1223.458225][T18950] Uninit was stored to memory at: [ 1223.463250][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1223.468968][T18950] __msan_chain_origin+0x50/0x90 [ 1223.473906][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1223.478495][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1223.483442][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1223.488298][T18950] do_syscall_64+0xb0/0x150 [ 1223.492804][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1223.498686][T18950] [ 1223.501027][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1223.507732][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1223.512156][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1223.667822][T18950] not chained 5640000 origins [ 1223.672544][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1223.681210][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1223.691353][T18950] Call Trace: [ 1223.694653][T18950] dump_stack+0x1df/0x240 [ 1223.698993][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1223.704715][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1223.709831][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1223.715724][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1223.721100][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1223.726304][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1223.732114][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1223.738184][T18950] ? kfree+0x61/0x30f0 [ 1223.742258][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1223.747373][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1223.752939][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1223.759015][T18950] ? _copy_from_user+0x15b/0x260 [ 1223.763953][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1223.769064][T18950] __msan_chain_origin+0x50/0x90 [ 1223.774006][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1223.778629][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1223.784066][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1223.789120][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1223.794153][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1223.800058][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1223.805011][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1223.809868][T18950] do_syscall_64+0xb0/0x150 [ 1223.814377][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1223.820265][T18950] RIP: 0033:0x45c1d9 [ 1223.824146][T18950] Code: Bad RIP value. [ 1223.828206][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1223.836616][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1223.844774][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1223.852744][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1223.860724][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1223.868698][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1223.876682][T18950] Uninit was stored to memory at: [ 1223.881719][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1223.887437][T18950] __msan_chain_origin+0x50/0x90 [ 1223.892373][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1223.896968][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1223.901908][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1223.906756][T18950] do_syscall_64+0xb0/0x150 [ 1223.911267][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1223.917145][T18950] [ 1223.919463][T18950] Uninit was stored to memory at: [ 1223.924497][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1223.930217][T18950] __msan_chain_origin+0x50/0x90 [ 1223.935152][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1223.939744][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1223.945117][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1223.949968][T18950] do_syscall_64+0xb0/0x150 [ 1223.954476][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1223.960360][T18950] [ 1223.962680][T18950] Uninit was stored to memory at: [ 1223.967724][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1223.973447][T18950] __msan_chain_origin+0x50/0x90 [ 1223.978382][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1223.982972][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1223.987913][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1223.992764][T18950] do_syscall_64+0xb0/0x150 [ 1223.997268][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1224.003149][T18950] [ 1224.005470][T18950] Uninit was stored to memory at: [ 1224.010506][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1224.016224][T18950] __msan_chain_origin+0x50/0x90 [ 1224.021165][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1224.025759][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1224.030701][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1224.035555][T18950] do_syscall_64+0xb0/0x150 [ 1224.040059][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1224.045937][T18950] [ 1224.048256][T18950] Uninit was stored to memory at: [ 1224.053282][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1224.059000][T18950] __msan_chain_origin+0x50/0x90 [ 1224.063939][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1224.068543][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1224.073477][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1224.078357][T18950] do_syscall_64+0xb0/0x150 [ 1224.082860][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1224.088738][T18950] [ 1224.091055][T18950] Uninit was stored to memory at: [ 1224.096082][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1224.101797][T18950] __msan_chain_origin+0x50/0x90 [ 1224.106744][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1224.111340][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1224.116276][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1224.121128][T18950] do_syscall_64+0xb0/0x150 [ 1224.125635][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1224.131514][T18950] [ 1224.133831][T18950] Uninit was stored to memory at: [ 1224.138860][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1224.144580][T18950] __msan_chain_origin+0x50/0x90 [ 1224.149522][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1224.154109][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1224.159052][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1224.163903][T18950] do_syscall_64+0xb0/0x150 [ 1224.168406][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1224.174291][T18950] [ 1224.176610][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1224.183284][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1224.187699][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1224.344254][T18950] not chained 5650000 origins [ 1224.349005][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1224.357782][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1224.367851][T18950] Call Trace: [ 1224.371150][T18950] dump_stack+0x1df/0x240 [ 1224.375491][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1224.381214][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1224.386329][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1224.392223][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1224.397513][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1224.402721][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1224.408530][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1224.414596][T18950] ? kfree+0x61/0x30f0 [ 1224.418671][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1224.423796][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1224.429371][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1224.435444][T18950] ? _copy_from_user+0x15b/0x260 [ 1224.440386][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1224.445501][T18950] __msan_chain_origin+0x50/0x90 [ 1224.450446][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1224.455070][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1224.460356][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1224.465376][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1224.470498][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1224.476394][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1224.481344][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1224.486197][T18950] do_syscall_64+0xb0/0x150 [ 1224.490709][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1224.496594][T18950] RIP: 0033:0x45c1d9 [ 1224.500474][T18950] Code: Bad RIP value. [ 1224.504533][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1224.512946][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1224.520915][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1224.528883][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1224.536875][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1224.544880][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1224.552857][T18950] Uninit was stored to memory at: [ 1224.557883][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1224.563601][T18950] __msan_chain_origin+0x50/0x90 [ 1224.568536][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1224.573126][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1224.578064][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1224.582916][T18950] do_syscall_64+0xb0/0x150 [ 1224.587421][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1224.593300][T18950] [ 1224.595626][T18950] Uninit was stored to memory at: [ 1224.600720][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1224.606443][T18950] __msan_chain_origin+0x50/0x90 [ 1224.611383][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1224.615985][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1224.620935][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1224.625791][T18950] do_syscall_64+0xb0/0x150 [ 1224.630301][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1224.636184][T18950] [ 1224.638502][T18950] Uninit was stored to memory at: [ 1224.643528][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1224.649249][T18950] __msan_chain_origin+0x50/0x90 [ 1224.654191][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1224.658781][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1224.663722][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1224.668581][T18950] do_syscall_64+0xb0/0x150 [ 1224.673088][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1224.678966][T18950] [ 1224.681294][T18950] Uninit was stored to memory at: [ 1224.686335][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1224.692054][T18950] __msan_chain_origin+0x50/0x90 [ 1224.697001][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1224.701591][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1224.706561][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1224.711436][T18950] do_syscall_64+0xb0/0x150 [ 1224.715944][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1224.721823][T18950] [ 1224.724144][T18950] Uninit was stored to memory at: [ 1224.729176][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1224.734891][T18950] __msan_chain_origin+0x50/0x90 [ 1224.741391][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1224.745984][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1224.750924][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1224.755777][T18950] do_syscall_64+0xb0/0x150 [ 1224.760292][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1224.766259][T18950] [ 1224.768578][T18950] Uninit was stored to memory at: [ 1224.773597][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1224.779315][T18950] __msan_chain_origin+0x50/0x90 [ 1224.784271][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1224.788871][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1224.793811][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1224.798667][T18950] do_syscall_64+0xb0/0x150 [ 1224.803297][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1224.809185][T18950] [ 1224.811515][T18950] Uninit was stored to memory at: [ 1224.816540][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1224.822261][T18950] __msan_chain_origin+0x50/0x90 [ 1224.827201][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1224.832290][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1224.837228][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1224.843468][T18950] do_syscall_64+0xb0/0x150 [ 1224.847974][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1224.853852][T18950] [ 1224.856172][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1224.862846][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1224.867262][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1225.024829][T18950] not chained 5660000 origins [ 1225.029558][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1225.038229][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1225.048281][T18950] Call Trace: [ 1225.051577][T18950] dump_stack+0x1df/0x240 [ 1225.055918][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1225.061638][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1225.066762][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1225.072657][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1225.077954][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1225.083368][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1225.089205][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1225.095275][T18950] ? kfree+0x61/0x30f0 [ 1225.099351][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1225.104462][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1225.110018][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1225.116089][T18950] ? _copy_from_user+0x15b/0x260 [ 1225.121046][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1225.126163][T18950] __msan_chain_origin+0x50/0x90 [ 1225.131109][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1225.135735][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1225.141046][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1225.146073][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1225.151101][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1225.157023][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1225.161975][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1225.166827][T18950] do_syscall_64+0xb0/0x150 [ 1225.171336][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1225.177223][T18950] RIP: 0033:0x45c1d9 [ 1225.181112][T18950] Code: Bad RIP value. [ 1225.185175][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1225.193586][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1225.201566][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1225.209541][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1225.217512][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1225.225484][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1225.233460][T18950] Uninit was stored to memory at: [ 1225.238488][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1225.244203][T18950] __msan_chain_origin+0x50/0x90 [ 1225.249140][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1225.253730][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1225.258671][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1225.263522][T18950] do_syscall_64+0xb0/0x150 [ 1225.268028][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1225.273903][T18950] [ 1225.276219][T18950] Uninit was stored to memory at: [ 1225.281244][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1225.286968][T18950] __msan_chain_origin+0x50/0x90 [ 1225.291906][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1225.296496][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1225.301435][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1225.306288][T18950] do_syscall_64+0xb0/0x150 [ 1225.310879][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1225.316756][T18950] [ 1225.319075][T18950] Uninit was stored to memory at: [ 1225.324104][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1225.329827][T18950] __msan_chain_origin+0x50/0x90 [ 1225.334765][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1225.339353][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1225.344292][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1225.349139][T18950] do_syscall_64+0xb0/0x150 [ 1225.353645][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1225.359521][T18950] [ 1225.361847][T18950] Uninit was stored to memory at: [ 1225.366876][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1225.372599][T18950] __msan_chain_origin+0x50/0x90 [ 1225.377542][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1225.382129][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1225.387068][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1225.391919][T18950] do_syscall_64+0xb0/0x150 [ 1225.396423][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1225.402303][T18950] [ 1225.404628][T18950] Uninit was stored to memory at: [ 1225.409651][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1225.415366][T18950] __msan_chain_origin+0x50/0x90 [ 1225.420305][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1225.424895][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1225.429843][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1225.434691][T18950] do_syscall_64+0xb0/0x150 [ 1225.439201][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1225.445081][T18950] [ 1225.447402][T18950] Uninit was stored to memory at: [ 1225.452612][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1225.459288][T18950] __msan_chain_origin+0x50/0x90 [ 1225.464224][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1225.468813][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1225.473750][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1225.478600][T18950] do_syscall_64+0xb0/0x150 [ 1225.483127][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1225.489035][T18950] [ 1225.491358][T18950] Uninit was stored to memory at: [ 1225.496383][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1225.502102][T18950] __msan_chain_origin+0x50/0x90 [ 1225.507041][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1225.511628][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1225.517171][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1225.522030][T18950] do_syscall_64+0xb0/0x150 [ 1225.526535][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1225.532414][T18950] [ 1225.534737][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1225.541411][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1225.545825][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1225.681914][T18950] not chained 5670000 origins [ 1225.686629][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1225.695285][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1225.705330][T18950] Call Trace: [ 1225.708613][T18950] dump_stack+0x1df/0x240 [ 1225.712927][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1225.719233][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1225.724322][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1225.730280][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1225.735566][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1225.740741][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1225.746521][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1225.752564][T18950] ? kfree+0x61/0x30f0 [ 1225.756614][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1225.761705][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1225.767230][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1225.773296][T18950] ? _copy_from_user+0x15b/0x260 [ 1225.778210][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1225.783316][T18950] __msan_chain_origin+0x50/0x90 [ 1225.788241][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1225.792840][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1225.798124][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1225.803218][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1225.808252][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1225.814126][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1225.819048][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1225.823897][T18950] do_syscall_64+0xb0/0x150 [ 1225.828388][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1225.834259][T18950] RIP: 0033:0x45c1d9 [ 1225.838132][T18950] Code: Bad RIP value. [ 1225.842174][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1225.850585][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1225.858533][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1225.866568][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1225.874534][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1225.882507][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1225.890482][T18950] Uninit was stored to memory at: [ 1225.895515][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1225.901212][T18950] __msan_chain_origin+0x50/0x90 [ 1225.906128][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1225.910697][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1225.915637][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1225.920487][T18950] do_syscall_64+0xb0/0x150 [ 1225.925083][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1225.930945][T18950] [ 1225.933246][T18950] Uninit was stored to memory at: [ 1225.938247][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1225.943941][T18950] __msan_chain_origin+0x50/0x90 [ 1225.948856][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1225.953422][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1225.958335][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1225.963183][T18950] do_syscall_64+0xb0/0x150 [ 1225.967666][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1225.973527][T18950] [ 1225.975828][T18950] Uninit was stored to memory at: [ 1225.980852][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1225.986544][T18950] __msan_chain_origin+0x50/0x90 [ 1225.991457][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1225.996026][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1226.000938][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1226.005763][T18950] do_syscall_64+0xb0/0x150 [ 1226.010243][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1226.016103][T18950] [ 1226.018404][T18950] Uninit was stored to memory at: [ 1226.023407][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1226.029103][T18950] __msan_chain_origin+0x50/0x90 [ 1226.034015][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1226.038582][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1226.043586][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1226.048415][T18950] do_syscall_64+0xb0/0x150 [ 1226.052896][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1226.058758][T18950] [ 1226.061063][T18950] Uninit was stored to memory at: [ 1226.066064][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1226.071756][T18950] __msan_chain_origin+0x50/0x90 [ 1226.076665][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1226.081230][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1226.086142][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1226.090969][T18950] do_syscall_64+0xb0/0x150 [ 1226.095465][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1226.101328][T18950] [ 1226.103632][T18950] Uninit was stored to memory at: [ 1226.108648][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1226.114621][T18950] __msan_chain_origin+0x50/0x90 [ 1226.119546][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1226.124122][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1226.129036][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1226.133865][T18950] do_syscall_64+0xb0/0x150 [ 1226.138365][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1226.144228][T18950] [ 1226.146532][T18950] Uninit was stored to memory at: [ 1226.151537][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1226.157235][T18950] __msan_chain_origin+0x50/0x90 [ 1226.162150][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1226.166713][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1226.171624][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1226.176452][T18950] do_syscall_64+0xb0/0x150 [ 1226.180933][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1226.187315][T18950] [ 1226.189619][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1226.196266][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1226.200678][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1226.354667][T18950] not chained 5680000 origins [ 1226.359396][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1226.368062][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1226.378118][T18950] Call Trace: [ 1226.381415][T18950] dump_stack+0x1df/0x240 [ 1226.385754][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1226.391473][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1226.396586][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1226.402485][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1226.407778][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1226.412978][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1226.418788][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1226.424856][T18950] ? kfree+0x61/0x30f0 [ 1226.429022][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1226.434136][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1226.439681][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1226.445761][T18950] ? _copy_from_user+0x15b/0x260 [ 1226.450707][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1226.455820][T18950] __msan_chain_origin+0x50/0x90 [ 1226.460763][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1226.465390][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1226.470684][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1226.475707][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1226.480829][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1226.486727][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1226.491676][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1226.496709][T18950] do_syscall_64+0xb0/0x150 [ 1226.501227][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1226.507114][T18950] RIP: 0033:0x45c1d9 [ 1226.510998][T18950] Code: Bad RIP value. [ 1226.515056][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1226.523475][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1226.531445][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1226.539416][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1226.547385][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1226.555387][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1226.563367][T18950] Uninit was stored to memory at: [ 1226.568424][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1226.574143][T18950] __msan_chain_origin+0x50/0x90 [ 1226.579080][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1226.583667][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1226.588600][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1226.593449][T18950] do_syscall_64+0xb0/0x150 [ 1226.597964][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1226.603851][T18950] [ 1226.606171][T18950] Uninit was stored to memory at: [ 1226.611201][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1226.616920][T18950] __msan_chain_origin+0x50/0x90 [ 1226.621859][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1226.626459][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1226.631429][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1226.636285][T18950] do_syscall_64+0xb0/0x150 [ 1226.640790][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1226.647019][T18950] [ 1226.649348][T18950] Uninit was stored to memory at: [ 1226.654375][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1226.660092][T18950] __msan_chain_origin+0x50/0x90 [ 1226.665028][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1226.669618][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1226.674556][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1226.679707][T18950] do_syscall_64+0xb0/0x150 [ 1226.684214][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1226.690095][T18950] [ 1226.692417][T18950] Uninit was stored to memory at: [ 1226.697468][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1226.703192][T18950] __msan_chain_origin+0x50/0x90 [ 1226.708151][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1226.712743][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1226.717677][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1226.722530][T18950] do_syscall_64+0xb0/0x150 [ 1226.727031][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1226.732913][T18950] [ 1226.735231][T18950] Uninit was stored to memory at: [ 1226.740256][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1226.745978][T18950] __msan_chain_origin+0x50/0x90 [ 1226.750919][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1226.755510][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1226.760451][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1226.765305][T18950] do_syscall_64+0xb0/0x150 [ 1226.769826][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1226.775792][T18950] [ 1226.778117][T18950] Uninit was stored to memory at: [ 1226.783148][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1226.788871][T18950] __msan_chain_origin+0x50/0x90 [ 1226.793897][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1226.798575][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1226.803518][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1226.808368][T18950] do_syscall_64+0xb0/0x150 [ 1226.812911][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1226.818803][T18950] [ 1226.821126][T18950] Uninit was stored to memory at: [ 1226.826157][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1226.831882][T18950] __msan_chain_origin+0x50/0x90 [ 1226.836818][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1226.841423][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1226.846359][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1226.851212][T18950] do_syscall_64+0xb0/0x150 [ 1226.855718][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1226.861600][T18950] [ 1226.863918][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1226.870592][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1226.875008][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1227.034772][T18950] not chained 5690000 origins [ 1227.039496][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1227.048165][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1227.058220][T18950] Call Trace: [ 1227.061516][T18950] dump_stack+0x1df/0x240 [ 1227.065855][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1227.071579][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1227.076699][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1227.082602][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1227.087894][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1227.093097][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1227.098906][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1227.104975][T18950] ? kfree+0x61/0x30f0 [ 1227.109077][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1227.114197][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1227.119749][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1227.125824][T18950] ? _copy_from_user+0x15b/0x260 [ 1227.130765][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1227.135879][T18950] __msan_chain_origin+0x50/0x90 [ 1227.140853][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1227.145483][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1227.150774][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1227.155797][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1227.160822][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1227.166718][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1227.171677][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1227.176532][T18950] do_syscall_64+0xb0/0x150 [ 1227.181062][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1227.186951][T18950] RIP: 0033:0x45c1d9 [ 1227.190834][T18950] Code: Bad RIP value. [ 1227.194901][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1227.203312][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1227.211283][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1227.219256][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1227.227227][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1227.235205][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1227.243191][T18950] Uninit was stored to memory at: [ 1227.248225][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1227.253944][T18950] __msan_chain_origin+0x50/0x90 [ 1227.258883][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1227.263476][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1227.268419][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1227.273271][T18950] do_syscall_64+0xb0/0x150 [ 1227.277787][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1227.283673][T18950] [ 1227.285995][T18950] Uninit was stored to memory at: [ 1227.291022][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1227.296743][T18950] __msan_chain_origin+0x50/0x90 [ 1227.301682][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1227.306274][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1227.311215][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1227.316068][T18950] do_syscall_64+0xb0/0x150 [ 1227.320574][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1227.326453][T18950] [ 1227.328773][T18950] Uninit was stored to memory at: [ 1227.333800][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1227.339537][T18950] __msan_chain_origin+0x50/0x90 [ 1227.344499][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1227.349092][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1227.354029][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1227.358900][T18950] do_syscall_64+0xb0/0x150 [ 1227.363417][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1227.369303][T18950] [ 1227.371624][T18950] Uninit was stored to memory at: [ 1227.376672][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1227.382396][T18950] __msan_chain_origin+0x50/0x90 [ 1227.387335][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1227.391937][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1227.396877][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1227.401729][T18950] do_syscall_64+0xb0/0x150 [ 1227.406236][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1227.412115][T18950] [ 1227.414435][T18950] Uninit was stored to memory at: [ 1227.419464][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1227.425186][T18950] __msan_chain_origin+0x50/0x90 [ 1227.430130][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1227.434722][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1227.439663][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1227.444525][T18950] do_syscall_64+0xb0/0x150 [ 1227.449033][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1227.454914][T18950] [ 1227.457235][T18950] Uninit was stored to memory at: [ 1227.462263][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1227.468938][T18950] __msan_chain_origin+0x50/0x90 [ 1227.473877][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1227.478470][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1227.483411][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1227.488265][T18950] do_syscall_64+0xb0/0x150 [ 1227.492860][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1227.498743][T18950] [ 1227.501065][T18950] Uninit was stored to memory at: [ 1227.506093][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1227.511813][T18950] __msan_chain_origin+0x50/0x90 [ 1227.516836][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1227.521429][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1227.526363][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1227.531220][T18950] do_syscall_64+0xb0/0x150 [ 1227.535730][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1227.541613][T18950] [ 1227.543934][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1227.550611][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1227.555033][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1227.726062][T18950] not chained 5700000 origins [ 1227.730793][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1227.739459][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1227.749512][T18950] Call Trace: [ 1227.752826][T18950] dump_stack+0x1df/0x240 [ 1227.757174][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1227.762905][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1227.768038][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1227.773942][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1227.779236][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1227.784440][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1227.790260][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1227.796480][T18950] ? kfree+0x61/0x30f0 [ 1227.800743][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1227.805864][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1227.811422][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1227.817504][T18950] ? _copy_from_user+0x15b/0x260 [ 1227.822445][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1227.827562][T18950] __msan_chain_origin+0x50/0x90 [ 1227.832521][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1227.837159][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1227.842463][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1227.847579][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1227.852609][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1227.858515][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1227.863651][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1227.868509][T18950] do_syscall_64+0xb0/0x150 [ 1227.873024][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1227.878924][T18950] RIP: 0033:0x45c1d9 [ 1227.882811][T18950] Code: Bad RIP value. [ 1227.886873][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1227.895291][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1227.903789][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1227.911761][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1227.919737][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1227.927715][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1227.935697][T18950] Uninit was stored to memory at: [ 1227.940734][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1227.946462][T18950] __msan_chain_origin+0x50/0x90 [ 1227.951406][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1227.956003][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1227.960946][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1227.965803][T18950] do_syscall_64+0xb0/0x150 [ 1227.970397][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1227.976849][T18950] [ 1227.979168][T18950] Uninit was stored to memory at: [ 1227.984213][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1227.989935][T18950] __msan_chain_origin+0x50/0x90 [ 1227.994876][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1227.999470][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1228.004417][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1228.009275][T18950] do_syscall_64+0xb0/0x150 [ 1228.013783][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1228.019665][T18950] [ 1228.021988][T18950] Uninit was stored to memory at: [ 1228.027022][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1228.032742][T18950] __msan_chain_origin+0x50/0x90 [ 1228.037859][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1228.042451][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1228.047389][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1228.052242][T18950] do_syscall_64+0xb0/0x150 [ 1228.056747][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1228.062635][T18950] [ 1228.064967][T18950] Uninit was stored to memory at: [ 1228.069997][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1228.075733][T18950] __msan_chain_origin+0x50/0x90 [ 1228.080674][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1228.085262][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1228.090208][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1228.095059][T18950] do_syscall_64+0xb0/0x150 [ 1228.099565][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1228.105467][T18950] [ 1228.107786][T18950] Uninit was stored to memory at: [ 1228.112814][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1228.118573][T18950] __msan_chain_origin+0x50/0x90 [ 1228.123515][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1228.128109][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1228.133050][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1228.137943][T18950] do_syscall_64+0xb0/0x150 [ 1228.142452][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1228.148334][T18950] [ 1228.150653][T18950] Uninit was stored to memory at: [ 1228.155681][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1228.161401][T18950] __msan_chain_origin+0x50/0x90 [ 1228.166345][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1228.170946][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1228.175883][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1228.180754][T18950] do_syscall_64+0xb0/0x150 [ 1228.185303][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1228.191183][T18950] [ 1228.193504][T18950] Uninit was stored to memory at: [ 1228.198535][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1228.204258][T18950] __msan_chain_origin+0x50/0x90 [ 1228.209206][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1228.213810][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1228.218749][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1228.223598][T18950] do_syscall_64+0xb0/0x150 [ 1228.228100][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1228.233977][T18950] [ 1228.236300][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1228.242975][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1228.247395][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1228.403298][T18950] not chained 5710000 origins [ 1228.408024][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1228.416687][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1228.426736][T18950] Call Trace: [ 1228.430036][T18950] dump_stack+0x1df/0x240 [ 1228.434371][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1228.440095][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1228.445213][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1228.451134][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1228.456422][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1228.461619][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1228.467429][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1228.473500][T18950] ? kfree+0x61/0x30f0 [ 1228.477574][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1228.482873][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1228.488532][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1228.494780][T18950] ? _copy_from_user+0x15b/0x260 [ 1228.499720][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1228.504835][T18950] __msan_chain_origin+0x50/0x90 [ 1228.509780][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1228.514406][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1228.519698][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1228.524721][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1228.529754][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1228.535654][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1228.540604][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1228.545459][T18950] do_syscall_64+0xb0/0x150 [ 1228.549971][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1228.555856][T18950] RIP: 0033:0x45c1d9 [ 1228.559737][T18950] Code: Bad RIP value. [ 1228.563797][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1228.572207][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1228.580262][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1228.588318][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1228.596292][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1228.604272][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1228.612652][T18950] Uninit was stored to memory at: [ 1228.617702][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1228.623510][T18950] __msan_chain_origin+0x50/0x90 [ 1228.628458][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1228.633048][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1228.638170][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1228.643019][T18950] do_syscall_64+0xb0/0x150 [ 1228.647520][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1228.653397][T18950] [ 1228.655713][T18950] Uninit was stored to memory at: [ 1228.660738][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1228.666461][T18950] __msan_chain_origin+0x50/0x90 [ 1228.671399][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1228.675988][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1228.680924][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1228.687510][T18950] do_syscall_64+0xb0/0x150 [ 1228.692025][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1228.697982][T18950] [ 1228.700300][T18950] Uninit was stored to memory at: [ 1228.705322][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1228.711043][T18950] __msan_chain_origin+0x50/0x90 [ 1228.716065][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1228.720675][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1228.725612][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1228.730463][T18950] do_syscall_64+0xb0/0x150 [ 1228.734963][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1228.740843][T18950] [ 1228.743162][T18950] Uninit was stored to memory at: [ 1228.748188][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1228.753915][T18950] __msan_chain_origin+0x50/0x90 [ 1228.758852][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1228.763439][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1228.768551][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1228.773406][T18950] do_syscall_64+0xb0/0x150 [ 1228.778100][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1228.783983][T18950] [ 1228.786305][T18950] Uninit was stored to memory at: [ 1228.791685][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1228.797566][T18950] __msan_chain_origin+0x50/0x90 [ 1228.802632][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1228.807260][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1228.812204][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1228.817065][T18950] do_syscall_64+0xb0/0x150 [ 1228.821578][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1228.827464][T18950] [ 1228.829803][T18950] Uninit was stored to memory at: [ 1228.834841][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1228.840566][T18950] __msan_chain_origin+0x50/0x90 [ 1228.845512][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1228.850103][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1228.855911][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1228.860766][T18950] do_syscall_64+0xb0/0x150 [ 1228.865277][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1228.871158][T18950] [ 1228.873484][T18950] Uninit was stored to memory at: [ 1228.878600][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1228.884336][T18950] __msan_chain_origin+0x50/0x90 [ 1228.889276][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1228.893953][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1228.898892][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1228.903748][T18950] do_syscall_64+0xb0/0x150 [ 1228.908265][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1228.914143][T18950] [ 1228.916464][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1228.923138][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1228.927556][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1229.085647][T18950] not chained 5720000 origins [ 1229.090546][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1229.099208][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1229.109258][T18950] Call Trace: [ 1229.112699][T18950] dump_stack+0x1df/0x240 [ 1229.117071][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1229.122791][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1229.127905][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1229.134235][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1229.139557][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1229.144764][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1229.150576][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1229.156647][T18950] ? kfree+0x61/0x30f0 [ 1229.160721][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1229.165834][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1229.171469][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1229.177561][T18950] ? _copy_from_user+0x15b/0x260 [ 1229.182504][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1229.187617][T18950] __msan_chain_origin+0x50/0x90 [ 1229.192557][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1229.197285][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1229.202570][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1229.207954][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1229.213068][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1229.218965][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1229.223912][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1229.228764][T18950] do_syscall_64+0xb0/0x150 [ 1229.233356][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1229.239245][T18950] RIP: 0033:0x45c1d9 [ 1229.243141][T18950] Code: Bad RIP value. [ 1229.247200][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1229.255608][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1229.263579][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1229.271547][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1229.279602][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1229.287572][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1229.295548][T18950] Uninit was stored to memory at: [ 1229.300941][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1229.306666][T18950] __msan_chain_origin+0x50/0x90 [ 1229.311608][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1229.316199][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1229.321137][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1229.325989][T18950] do_syscall_64+0xb0/0x150 [ 1229.330499][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1229.336378][T18950] [ 1229.338703][T18950] Uninit was stored to memory at: [ 1229.343728][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1229.349446][T18950] __msan_chain_origin+0x50/0x90 [ 1229.354385][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1229.359008][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1229.363947][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1229.368798][T18950] do_syscall_64+0xb0/0x150 [ 1229.373307][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1229.379183][T18950] [ 1229.381502][T18950] Uninit was stored to memory at: [ 1229.386528][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1229.392244][T18950] __msan_chain_origin+0x50/0x90 [ 1229.397179][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1229.401768][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1229.406709][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1229.411558][T18950] do_syscall_64+0xb0/0x150 [ 1229.416058][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1229.421937][T18950] [ 1229.424255][T18950] Uninit was stored to memory at: [ 1229.429280][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1229.435087][T18950] __msan_chain_origin+0x50/0x90 [ 1229.440027][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1229.444617][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1229.449555][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1229.454405][T18950] do_syscall_64+0xb0/0x150 [ 1229.458907][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1229.464793][T18950] [ 1229.467110][T18950] Uninit was stored to memory at: [ 1229.472136][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1229.477860][T18950] __msan_chain_origin+0x50/0x90 [ 1229.482840][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1229.487522][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1229.492769][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1229.497620][T18950] do_syscall_64+0xb0/0x150 [ 1229.502123][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1229.508000][T18950] [ 1229.510317][T18950] Uninit was stored to memory at: [ 1229.515339][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1229.521060][T18950] __msan_chain_origin+0x50/0x90 [ 1229.525994][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1229.530581][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1229.535536][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1229.540402][T18950] do_syscall_64+0xb0/0x150 [ 1229.544907][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1229.550785][T18950] [ 1229.553106][T18950] Uninit was stored to memory at: [ 1229.558158][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1229.563919][T18950] __msan_chain_origin+0x50/0x90 [ 1229.568858][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1229.573445][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1229.578382][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1229.583255][T18950] do_syscall_64+0xb0/0x150 [ 1229.587759][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1229.593810][T18950] [ 1229.596139][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1229.605160][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1229.609576][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1229.763864][T18950] not chained 5730000 origins [ 1229.768577][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1229.777346][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1229.787382][T18950] Call Trace: [ 1229.790657][T18950] dump_stack+0x1df/0x240 [ 1229.795127][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1229.800839][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1229.806218][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1229.812224][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1229.817503][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1229.822917][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1229.828713][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1229.834761][T18950] ? kfree+0x61/0x30f0 [ 1229.839577][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1229.844670][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1229.850201][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1229.856250][T18950] ? _copy_from_user+0x15b/0x260 [ 1229.861164][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1229.866264][T18950] __msan_chain_origin+0x50/0x90 [ 1229.871206][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1229.875806][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1229.881684][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1229.886687][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1229.891688][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1229.897574][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1229.902499][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1229.907331][T18950] do_syscall_64+0xb0/0x150 [ 1229.911930][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1229.917813][T18950] RIP: 0033:0x45c1d9 [ 1229.921681][T18950] Code: Bad RIP value. [ 1229.925722][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1229.934206][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1229.942156][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1229.950115][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1229.958211][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1229.966163][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1229.974761][T18950] Uninit was stored to memory at: [ 1229.979769][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1229.985469][T18950] __msan_chain_origin+0x50/0x90 [ 1229.990410][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1229.994975][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1229.999889][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1230.004728][T18950] do_syscall_64+0xb0/0x150 [ 1230.009213][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1230.015077][T18950] [ 1230.017390][T18950] Uninit was stored to memory at: [ 1230.022407][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1230.028105][T18950] __msan_chain_origin+0x50/0x90 [ 1230.033019][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1230.037584][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1230.042498][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1230.047324][T18950] do_syscall_64+0xb0/0x150 [ 1230.051805][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1230.057665][T18950] [ 1230.059965][T18950] Uninit was stored to memory at: [ 1230.064967][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1230.070675][T18950] __msan_chain_origin+0x50/0x90 [ 1230.075588][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1230.080173][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1230.085103][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1230.090450][T18950] do_syscall_64+0xb0/0x150 [ 1230.095279][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1230.101144][T18950] [ 1230.103446][T18950] Uninit was stored to memory at: [ 1230.108453][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1230.114338][T18950] __msan_chain_origin+0x50/0x90 [ 1230.119252][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1230.123821][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1230.128750][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1230.133591][T18950] do_syscall_64+0xb0/0x150 [ 1230.138072][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1230.144032][T18950] [ 1230.146333][T18950] Uninit was stored to memory at: [ 1230.151334][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1230.157031][T18950] __msan_chain_origin+0x50/0x90 [ 1230.161957][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1230.166522][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1230.171436][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1230.176282][T18950] do_syscall_64+0xb0/0x150 [ 1230.180761][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1230.186639][T18950] [ 1230.188941][T18950] Uninit was stored to memory at: [ 1230.193946][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1230.199640][T18950] __msan_chain_origin+0x50/0x90 [ 1230.204553][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1230.209176][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1230.214116][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1230.218958][T18950] do_syscall_64+0xb0/0x150 [ 1230.223437][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1230.229299][T18950] [ 1230.231602][T18950] Uninit was stored to memory at: [ 1230.236624][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1230.242328][T18950] __msan_chain_origin+0x50/0x90 [ 1230.247241][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1230.251806][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1230.256736][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1230.261563][T18950] do_syscall_64+0xb0/0x150 [ 1230.266044][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1230.271905][T18950] [ 1230.274221][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1230.280915][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1230.285311][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1230.443207][T18950] not chained 5740000 origins [ 1230.447929][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1230.456591][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1230.466643][T18950] Call Trace: [ 1230.469945][T18950] dump_stack+0x1df/0x240 [ 1230.474300][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1230.480020][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1230.485143][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1230.491042][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1230.496328][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1230.501532][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1230.507340][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1230.513407][T18950] ? kfree+0x61/0x30f0 [ 1230.517487][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1230.522598][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1230.528411][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1230.534484][T18950] ? _copy_from_user+0x15b/0x260 [ 1230.539598][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1230.544718][T18950] __msan_chain_origin+0x50/0x90 [ 1230.549659][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1230.554285][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1230.559580][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1230.564606][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1230.569632][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1230.575530][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1230.580485][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1230.585340][T18950] do_syscall_64+0xb0/0x150 [ 1230.589851][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1230.595757][T18950] RIP: 0033:0x45c1d9 [ 1230.599649][T18950] Code: Bad RIP value. [ 1230.603714][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1230.612131][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1230.620104][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1230.628087][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1230.636062][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1230.644035][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1230.652015][T18950] Uninit was stored to memory at: [ 1230.657139][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1230.662857][T18950] __msan_chain_origin+0x50/0x90 [ 1230.667793][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1230.672382][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1230.677317][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1230.682167][T18950] do_syscall_64+0xb0/0x150 [ 1230.686761][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1230.692650][T18950] [ 1230.694972][T18950] Uninit was stored to memory at: [ 1230.699997][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1230.705716][T18950] __msan_chain_origin+0x50/0x90 [ 1230.710657][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1230.715246][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1230.720184][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1230.725038][T18950] do_syscall_64+0xb0/0x150 [ 1230.729551][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1230.735430][T18950] [ 1230.737748][T18950] Uninit was stored to memory at: [ 1230.742774][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1230.748490][T18950] __msan_chain_origin+0x50/0x90 [ 1230.753428][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1230.758016][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1230.762955][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1230.767814][T18950] do_syscall_64+0xb0/0x150 [ 1230.772315][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1230.778215][T18950] [ 1230.780532][T18950] Uninit was stored to memory at: [ 1230.785612][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1230.791343][T18950] __msan_chain_origin+0x50/0x90 [ 1230.796298][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1230.800906][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1230.805848][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1230.810700][T18950] do_syscall_64+0xb0/0x150 [ 1230.815210][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1230.821088][T18950] [ 1230.823406][T18950] Uninit was stored to memory at: [ 1230.828434][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1230.834151][T18950] __msan_chain_origin+0x50/0x90 [ 1230.839094][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1230.843682][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1230.848621][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1230.853477][T18950] do_syscall_64+0xb0/0x150 [ 1230.857990][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1230.863867][T18950] [ 1230.866217][T18950] Uninit was stored to memory at: [ 1230.871242][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1230.876957][T18950] __msan_chain_origin+0x50/0x90 [ 1230.881896][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1230.886485][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1230.891459][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1230.896310][T18950] do_syscall_64+0xb0/0x150 [ 1230.900814][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1230.906694][T18950] [ 1230.909014][T18950] Uninit was stored to memory at: [ 1230.914134][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1230.920286][T18950] __msan_chain_origin+0x50/0x90 [ 1230.925250][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1230.929851][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1230.934788][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1230.939636][T18950] do_syscall_64+0xb0/0x150 [ 1230.944140][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1230.950018][T18950] [ 1230.952341][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1230.959015][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1230.963429][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1231.134303][T18950] not chained 5750000 origins [ 1231.139019][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1231.147686][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1231.157744][T18950] Call Trace: [ 1231.161058][T18950] dump_stack+0x1df/0x240 [ 1231.165396][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1231.171118][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1231.176231][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1231.184218][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1231.189508][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1231.194710][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1231.200527][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1231.206685][T18950] ? kfree+0x61/0x30f0 [ 1231.210771][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1231.215882][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1231.221435][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1231.227508][T18950] ? _copy_from_user+0x15b/0x260 [ 1231.232483][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1231.237596][T18950] __msan_chain_origin+0x50/0x90 [ 1231.242539][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1231.247162][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1231.252455][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1231.257480][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1231.262514][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1231.268414][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1231.273365][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1231.278223][T18950] do_syscall_64+0xb0/0x150 [ 1231.282740][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1231.288630][T18950] RIP: 0033:0x45c1d9 [ 1231.292514][T18950] Code: Bad RIP value. [ 1231.296576][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1231.304986][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1231.312960][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1231.320932][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1231.328903][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1231.336877][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1231.344855][T18950] Uninit was stored to memory at: [ 1231.349887][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1231.355608][T18950] __msan_chain_origin+0x50/0x90 [ 1231.360551][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1231.365149][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1231.370092][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1231.374947][T18950] do_syscall_64+0xb0/0x150 [ 1231.379455][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1231.385336][T18950] [ 1231.387664][T18950] Uninit was stored to memory at: [ 1231.392695][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1231.398411][T18950] __msan_chain_origin+0x50/0x90 [ 1231.403347][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1231.407938][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1231.412874][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1231.417721][T18950] do_syscall_64+0xb0/0x150 [ 1231.422223][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1231.428103][T18950] [ 1231.430426][T18950] Uninit was stored to memory at: [ 1231.435446][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1231.441164][T18950] __msan_chain_origin+0x50/0x90 [ 1231.446106][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1231.450696][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1231.455633][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1231.460485][T18950] do_syscall_64+0xb0/0x150 [ 1231.464988][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1231.470864][T18950] [ 1231.473179][T18950] Uninit was stored to memory at: [ 1231.478211][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1231.483926][T18950] __msan_chain_origin+0x50/0x90 [ 1231.488860][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1231.493448][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1231.498384][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1231.503234][T18950] do_syscall_64+0xb0/0x150 [ 1231.507739][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1231.513615][T18950] [ 1231.515934][T18950] Uninit was stored to memory at: [ 1231.520959][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1231.526676][T18950] __msan_chain_origin+0x50/0x90 [ 1231.531610][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1231.536204][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1231.541145][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1231.545998][T18950] do_syscall_64+0xb0/0x150 [ 1231.550505][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1231.556387][T18950] [ 1231.558706][T18950] Uninit was stored to memory at: [ 1231.563732][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1231.569536][T18950] __msan_chain_origin+0x50/0x90 [ 1231.574472][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1231.579061][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1231.583996][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1231.588851][T18950] do_syscall_64+0xb0/0x150 [ 1231.593357][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1231.599369][T18950] [ 1231.601693][T18950] Uninit was stored to memory at: [ 1231.606723][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1231.612445][T18950] __msan_chain_origin+0x50/0x90 [ 1231.617386][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1231.621977][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1231.626913][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1231.631765][T18950] do_syscall_64+0xb0/0x150 [ 1231.636273][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1231.642151][T18950] [ 1231.644475][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1231.651173][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1231.655606][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1231.811524][T18950] not chained 5760000 origins [ 1231.816366][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1231.825042][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1231.835105][T18950] Call Trace: [ 1231.838406][T18950] dump_stack+0x1df/0x240 [ 1231.842749][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1231.848470][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1231.853587][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1231.859487][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1231.864923][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1231.870127][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1231.875954][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1231.882043][T18950] ? kfree+0x61/0x30f0 [ 1231.886211][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1231.891330][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1231.897226][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1231.903307][T18950] ? _copy_from_user+0x15b/0x260 [ 1231.908257][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1231.913374][T18950] __msan_chain_origin+0x50/0x90 [ 1231.918335][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1231.922963][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1231.928262][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1231.933295][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1231.938678][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1231.944586][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1231.949539][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1231.954399][T18950] do_syscall_64+0xb0/0x150 [ 1231.958909][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1231.964882][T18950] RIP: 0033:0x45c1d9 [ 1231.968780][T18950] Code: Bad RIP value. [ 1231.972839][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1231.981345][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1231.989320][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1231.997482][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1232.005455][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1232.013429][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1232.021495][T18950] Uninit was stored to memory at: [ 1232.026527][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1232.032254][T18950] __msan_chain_origin+0x50/0x90 [ 1232.037197][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1232.041786][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1232.046724][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1232.051577][T18950] do_syscall_64+0xb0/0x150 [ 1232.056101][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1232.062068][T18950] [ 1232.064389][T18950] Uninit was stored to memory at: [ 1232.069416][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1232.075224][T18950] __msan_chain_origin+0x50/0x90 [ 1232.080170][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1232.084778][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1232.089718][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1232.094657][T18950] do_syscall_64+0xb0/0x150 [ 1232.099276][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1232.105250][T18950] [ 1232.107665][T18950] Uninit was stored to memory at: [ 1232.112698][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1232.118434][T18950] __msan_chain_origin+0x50/0x90 [ 1232.124157][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1232.128748][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1232.133692][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1232.138544][T18950] do_syscall_64+0xb0/0x150 [ 1232.143053][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1232.148932][T18950] [ 1232.151256][T18950] Uninit was stored to memory at: [ 1232.156284][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1232.162005][T18950] __msan_chain_origin+0x50/0x90 [ 1232.166945][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1232.171535][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1232.176473][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1232.181328][T18950] do_syscall_64+0xb0/0x150 [ 1232.185839][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1232.191804][T18950] [ 1232.194124][T18950] Uninit was stored to memory at: [ 1232.199150][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1232.205046][T18950] __msan_chain_origin+0x50/0x90 [ 1232.209986][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1232.214575][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1232.219511][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1232.224362][T18950] do_syscall_64+0xb0/0x150 [ 1232.228872][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1232.234752][T18950] [ 1232.237073][T18950] Uninit was stored to memory at: [ 1232.242105][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1232.247822][T18950] __msan_chain_origin+0x50/0x90 [ 1232.252761][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1232.257354][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1232.262308][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1232.267192][T18950] do_syscall_64+0xb0/0x150 [ 1232.271701][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1232.278363][T18950] [ 1232.280685][T18950] Uninit was stored to memory at: [ 1232.285713][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1232.291436][T18950] __msan_chain_origin+0x50/0x90 [ 1232.296375][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1232.300969][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1232.305933][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1232.310786][T18950] do_syscall_64+0xb0/0x150 [ 1232.315293][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1232.321275][T18950] [ 1232.323600][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1232.330287][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1232.334704][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1232.503679][T18950] not chained 5770000 origins [ 1232.508407][T18950] CPU: 0 PID: 18950 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1232.517076][T18950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1232.527130][T18950] Call Trace: [ 1232.530430][T18950] dump_stack+0x1df/0x240 [ 1232.534768][T18950] kmsan_internal_chain_origin+0x6f/0x130 [ 1232.540492][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1232.545609][T18950] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1232.551504][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1232.556792][T18950] ? kmsan_get_metadata+0x11d/0x180 [ 1232.561992][T18950] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1232.567801][T18950] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1232.573869][T18950] ? kfree+0x61/0x30f0 [ 1232.578009][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1232.583123][T18950] ? kmsan_set_origin_checked+0x95/0xf0 [ 1232.588675][T18950] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1232.594919][T18950] ? _copy_from_user+0x15b/0x260 [ 1232.599866][T18950] ? kmsan_get_metadata+0x4f/0x180 [ 1232.604982][T18950] __msan_chain_origin+0x50/0x90 [ 1232.609930][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1232.614556][T18950] ? __msan_poison_alloca+0xf0/0x120 [ 1232.619855][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1232.624896][T18950] ? __se_sys_recvmmsg+0xac/0x350 [ 1232.629936][T18950] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1232.635847][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1232.640798][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1232.645674][T18950] do_syscall_64+0xb0/0x150 [ 1232.650187][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1232.656081][T18950] RIP: 0033:0x45c1d9 [ 1232.659965][T18950] Code: Bad RIP value. [ 1232.664027][T18950] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1232.672439][T18950] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1232.680410][T18950] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1232.688380][T18950] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1232.696350][T18950] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1232.704328][T18950] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1232.712309][T18950] Uninit was stored to memory at: [ 1232.717344][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1232.723065][T18950] __msan_chain_origin+0x50/0x90 [ 1232.728019][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1232.732610][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1232.737607][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1232.742462][T18950] do_syscall_64+0xb0/0x150 [ 1232.746977][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1232.752860][T18950] [ 1232.755180][T18950] Uninit was stored to memory at: [ 1232.760214][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1232.765934][T18950] __msan_chain_origin+0x50/0x90 [ 1232.770880][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1232.775482][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1232.780495][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1232.785356][T18950] do_syscall_64+0xb0/0x150 [ 1232.789872][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1232.795864][T18950] [ 1232.798193][T18950] Uninit was stored to memory at: [ 1232.803228][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1232.808950][T18950] __msan_chain_origin+0x50/0x90 [ 1232.813889][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1232.818479][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1232.823418][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1232.828275][T18950] do_syscall_64+0xb0/0x150 [ 1232.832781][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1232.838663][T18950] [ 1232.840982][T18950] Uninit was stored to memory at: [ 1232.846026][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1232.851744][T18950] __msan_chain_origin+0x50/0x90 [ 1232.856686][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1232.861281][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1232.866242][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1232.871097][T18950] do_syscall_64+0xb0/0x150 [ 1232.875600][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1232.881486][T18950] [ 1232.883809][T18950] Uninit was stored to memory at: [ 1232.888835][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1232.894551][T18950] __msan_chain_origin+0x50/0x90 [ 1232.899491][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1232.904081][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1232.909024][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1232.913874][T18950] do_syscall_64+0xb0/0x150 [ 1232.918392][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1232.924272][T18950] [ 1232.926593][T18950] Uninit was stored to memory at: [ 1232.931647][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1232.937365][T18950] __msan_chain_origin+0x50/0x90 [ 1232.942393][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1232.946984][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1232.951919][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1232.956769][T18950] do_syscall_64+0xb0/0x150 [ 1232.961275][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1232.967155][T18950] [ 1232.969487][T18950] Uninit was stored to memory at: [ 1232.974514][T18950] kmsan_internal_chain_origin+0xad/0x130 [ 1232.980234][T18950] __msan_chain_origin+0x50/0x90 [ 1232.985179][T18950] do_recvmmsg+0x105a/0x1ee0 [ 1232.989770][T18950] __se_sys_recvmmsg+0x1d1/0x350 [ 1232.994706][T18950] __x64_sys_recvmmsg+0x62/0x80 [ 1232.999559][T18950] do_syscall_64+0xb0/0x150 [ 1233.004064][T18950] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1233.009943][T18950] [ 1233.012264][T18950] Local variable ----msg_sys@do_recvmmsg created at: [ 1233.018938][T18950] do_recvmmsg+0xc5/0x1ee0 [ 1233.023350][T18950] do_recvmmsg+0xc5/0x1ee0 15:36:42 executing program 3: prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x9}, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) r1 = socket(0x10, 0x80002, 0x0) bind$netlink(r1, &(0x7f0000177ff4)={0x10, 0x0, 0x1}, 0xc) write(r1, &(0x7f0000000140)="2600000022004701050000000000000005006d20002b1f000a4a51f1ee839cd53400b017ca5b", 0x26) connect$netlink(r1, &(0x7f00000014c0)=@proc={0x10, 0x0, 0x1}, 0xc) setsockopt$sock_int(r1, 0x1, 0x8, &(0x7f0000b4bffc), 0xfd49) sendto(r1, 0x0, 0x0, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000000780), 0x3ffffffffffff81, 0x2, 0x0) 15:36:42 executing program 5: 15:36:42 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB], 0x110}}, 0x0) 15:36:42 executing program 0: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x202, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, 0x0}}, 0x20) ioctl$SNDCTL_DSP_SYNC(r0, 0x5001, 0x0) r1 = signalfd(0xffffffffffffffff, &(0x7f00007aeff8)={[0xfffffffffffffffc]}, 0x8) read(r1, &(0x7f0000000740)=""/373, 0x86) fcntl$getown(r1, 0x9) ioctl$SNDCTL_DSP_SYNC(r0, 0x5001, 0x0) 15:36:42 executing program 1: 15:36:42 executing program 2: syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(0xffffffffffffffff, 0xc01864ba, &(0x7f0000000040)={0x2, 0x16, 0x21}) 15:36:42 executing program 5: r0 = timerfd_create(0x9, 0x0) timerfd_gettime(r0, &(0x7f0000000280)) 15:36:42 executing program 1: perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = getpid() sched_setscheduler(r0, 0x5, 0x0) openat$proc_capi20(0xffffffffffffff9c, &(0x7f0000000300)='/proc/capi/capi20\x00', 0x0, 0x0) openat$cgroup_netprio_ifpriomap(0xffffffffffffffff, 0x0, 0x2, 0x0) r1 = socket$kcm(0xa, 0x2, 0x73) bind$inet6(r1, &(0x7f0000000000)={0xa, 0x0, 0x0, @loopback}, 0x69) connect(r1, &(0x7f0000000180)=@in6={0xa, 0x0, 0x0, @empty}, 0x3f) sendmmsg$inet_sctp(r1, &(0x7f00000003c0), 0x3a301e0909ff6cd, 0x80fe) write$binfmt_script(0xffffffffffffffff, &(0x7f00000003c0)=ANY=[], 0x57) 15:36:42 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB="02070000220000000000000000000000020013001500000026bd70000000"], 0x110}}, 0x0) 15:36:43 executing program 2: syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(0xffffffffffffffff, 0xc01864ba, &(0x7f0000000040)={0x2, 0x16, 0x21}) 15:36:43 executing program 5: syz_open_dev$usbfs(&(0x7f0000000180)='/dev/bus/usb/00#/00#\x00', 0x74, 0x0) dup2(0xffffffffffffffff, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f0000003140)=[{{&(0x7f0000001400)=@ipx, 0x80, 0x0}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='fd/3\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) preadv(r0, &(0x7f00000017c0), 0x3da, 0x0) 15:36:43 executing program 2: syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(0xffffffffffffffff, 0xc01864ba, &(0x7f0000000040)={0x2, 0x16, 0x21}) [ 1234.371674][T18985] not chained 5780000 origins [ 1234.376403][T18985] CPU: 0 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1234.385066][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1234.395109][T18985] Call Trace: [ 1234.398417][T18985] dump_stack+0x1df/0x240 [ 1234.402748][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1234.408570][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1234.413672][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1234.419559][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1234.424838][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1234.430026][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1234.435823][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1234.441879][T18985] ? kfree+0x61/0x30f0 [ 1234.445950][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1234.451054][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1234.457735][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1234.463794][T18985] ? _copy_from_user+0x15b/0x260 [ 1234.468720][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1234.473820][T18985] __msan_chain_origin+0x50/0x90 [ 1234.478750][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1234.483353][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1234.488630][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1234.493731][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1234.498944][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1234.504829][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1234.509766][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1234.514607][T18985] do_syscall_64+0xb0/0x150 [ 1234.519101][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1234.524986][T18985] RIP: 0033:0x45c1d9 [ 1234.528865][T18985] Code: Bad RIP value. [ 1234.533265][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1234.541664][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1234.549621][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1234.557578][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1234.565622][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1234.573582][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1234.581553][T18985] Uninit was stored to memory at: [ 1234.586570][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1234.592275][T18985] __msan_chain_origin+0x50/0x90 [ 1234.597200][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1234.601776][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1234.606701][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1234.611543][T18985] do_syscall_64+0xb0/0x150 [ 1234.616038][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1234.621909][T18985] [ 1234.624220][T18985] Uninit was stored to memory at: [ 1234.629232][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1234.635027][T18985] __msan_chain_origin+0x50/0x90 [ 1234.639973][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1234.644558][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1234.649497][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1234.654381][T18985] do_syscall_64+0xb0/0x150 [ 1234.658884][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1234.664754][T18985] [ 1234.667063][T18985] Uninit was stored to memory at: [ 1234.672078][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1234.677782][T18985] __msan_chain_origin+0x50/0x90 [ 1234.682704][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1234.687280][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1234.692204][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1234.697043][T18985] do_syscall_64+0xb0/0x150 [ 1234.701533][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1234.707402][T18985] [ 1234.709710][T18985] Uninit was stored to memory at: [ 1234.714724][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1234.720434][T18985] __msan_chain_origin+0x50/0x90 [ 1234.725357][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1234.729934][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1234.734874][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1234.739712][T18985] do_syscall_64+0xb0/0x150 [ 1234.744209][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1234.750078][T18985] [ 1234.752416][T18985] Uninit was stored to memory at: [ 1234.758303][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1234.764011][T18985] __msan_chain_origin+0x50/0x90 [ 1234.768935][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1234.773516][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1234.778560][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1234.783405][T18985] do_syscall_64+0xb0/0x150 [ 1234.787902][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1234.793787][T18985] [ 1234.796105][T18985] Uninit was stored to memory at: [ 1234.801125][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1234.806833][T18985] __msan_chain_origin+0x50/0x90 [ 1234.811784][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1234.816388][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1234.821331][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1234.826200][T18985] do_syscall_64+0xb0/0x150 [ 1234.830692][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1234.836569][T18985] [ 1234.838878][T18985] Uninit was stored to memory at: [ 1234.843890][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1234.849594][T18985] __msan_chain_origin+0x50/0x90 [ 1234.854517][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1234.859093][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1234.864014][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1234.868855][T18985] do_syscall_64+0xb0/0x150 [ 1234.873344][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1234.879213][T18985] [ 1234.881524][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1234.888187][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1234.892588][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1235.788288][T18985] not chained 5790000 origins [ 1235.793021][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1235.801697][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1235.811763][T18985] Call Trace: [ 1235.815069][T18985] dump_stack+0x1df/0x240 [ 1235.819429][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1235.825169][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1235.830300][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1235.836212][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1235.841525][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1235.846740][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1235.852565][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1235.858643][T18985] ? kfree+0x61/0x30f0 [ 1235.862730][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1235.867854][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1235.873411][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1235.879496][T18985] ? _copy_from_user+0x15b/0x260 [ 1235.884445][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1235.889573][T18985] __msan_chain_origin+0x50/0x90 [ 1235.894536][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1235.899179][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1235.904476][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1235.909516][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1235.914568][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1235.920478][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1235.925437][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1235.930306][T18985] do_syscall_64+0xb0/0x150 [ 1235.934823][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1235.940724][T18985] RIP: 0033:0x45c1d9 [ 1235.944605][T18985] Code: Bad RIP value. [ 1235.948676][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1235.957090][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1235.965064][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1235.973041][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1235.981037][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1235.989019][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1235.997005][T18985] Uninit was stored to memory at: [ 1236.002044][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1236.007772][T18985] __msan_chain_origin+0x50/0x90 [ 1236.012715][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1236.017309][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1236.022252][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1236.027117][T18985] do_syscall_64+0xb0/0x150 [ 1236.031634][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1236.037518][T18985] [ 1236.039857][T18985] Uninit was stored to memory at: [ 1236.044898][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1236.050632][T18985] __msan_chain_origin+0x50/0x90 [ 1236.055589][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1236.060192][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1236.065667][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1236.070533][T18985] do_syscall_64+0xb0/0x150 [ 1236.075078][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1236.080968][T18985] [ 1236.083315][T18985] Uninit was stored to memory at: [ 1236.088477][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1236.094314][T18985] __msan_chain_origin+0x50/0x90 [ 1236.099266][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1236.103869][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1236.108818][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1236.113678][T18985] do_syscall_64+0xb0/0x150 [ 1236.118203][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1236.124089][T18985] [ 1236.126858][T18985] Uninit was stored to memory at: [ 1236.131896][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1236.137624][T18985] __msan_chain_origin+0x50/0x90 [ 1236.142567][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1236.147168][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1236.152113][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1236.156971][T18985] do_syscall_64+0xb0/0x150 [ 1236.161491][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1236.167374][T18985] [ 1236.169701][T18985] Uninit was stored to memory at: [ 1236.174739][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1236.180466][T18985] __msan_chain_origin+0x50/0x90 [ 1236.185411][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1236.190009][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1236.195047][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1236.199910][T18985] do_syscall_64+0xb0/0x150 [ 1236.204422][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1236.210324][T18985] [ 1236.212650][T18985] Uninit was stored to memory at: [ 1236.217681][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1236.223417][T18985] __msan_chain_origin+0x50/0x90 [ 1236.228365][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1236.232958][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1236.237903][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1236.242758][T18985] do_syscall_64+0xb0/0x150 [ 1236.247275][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1236.253159][T18985] [ 1236.255481][T18985] Uninit was stored to memory at: [ 1236.260526][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1236.266256][T18985] __msan_chain_origin+0x50/0x90 [ 1236.271208][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1236.275809][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1236.280768][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1236.285625][T18985] do_syscall_64+0xb0/0x150 [ 1236.290137][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1236.296024][T18985] [ 1236.298389][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1236.305077][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1236.309505][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1236.745705][T18985] not chained 5800000 origins [ 1236.750429][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1236.759096][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1236.769157][T18985] Call Trace: [ 1236.772459][T18985] dump_stack+0x1df/0x240 [ 1236.776801][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1236.782528][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1236.787646][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1236.793555][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1236.798854][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1236.804061][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1236.809878][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1236.815959][T18985] ? kfree+0x61/0x30f0 [ 1236.820047][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1236.825162][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1236.830731][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1236.836832][T18985] ? _copy_from_user+0x15b/0x260 [ 1236.841777][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1236.846892][T18985] __msan_chain_origin+0x50/0x90 [ 1236.851846][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1236.856516][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1236.861811][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1236.866837][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1236.871871][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1236.877776][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1236.882736][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1236.887597][T18985] do_syscall_64+0xb0/0x150 [ 1236.892117][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1236.898017][T18985] RIP: 0033:0x45c1d9 [ 1236.901902][T18985] Code: Bad RIP value. [ 1236.905971][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1236.914390][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1236.922363][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1236.930427][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1236.938404][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1236.946381][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1236.954365][T18985] Uninit was stored to memory at: [ 1236.959401][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1236.965124][T18985] __msan_chain_origin+0x50/0x90 [ 1236.970068][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1236.974659][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1236.979601][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1236.984538][T18985] do_syscall_64+0xb0/0x150 [ 1236.989056][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1236.994943][T18985] [ 1236.997272][T18985] Uninit was stored to memory at: [ 1237.002313][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1237.008036][T18985] __msan_chain_origin+0x50/0x90 [ 1237.013010][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1237.017606][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1237.022543][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1237.027398][T18985] do_syscall_64+0xb0/0x150 [ 1237.031901][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1237.037782][T18985] [ 1237.040105][T18985] Uninit was stored to memory at: [ 1237.045132][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1237.050854][T18985] __msan_chain_origin+0x50/0x90 [ 1237.055973][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1237.061022][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1237.065960][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1237.070817][T18985] do_syscall_64+0xb0/0x150 [ 1237.075325][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1237.081212][T18985] [ 1237.083535][T18985] Uninit was stored to memory at: [ 1237.088562][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1237.094286][T18985] __msan_chain_origin+0x50/0x90 [ 1237.099229][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1237.103825][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1237.108765][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1237.118169][T18985] do_syscall_64+0xb0/0x150 [ 1237.122678][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1237.128561][T18985] [ 1237.130885][T18985] Uninit was stored to memory at: [ 1237.135915][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1237.141639][T18985] __msan_chain_origin+0x50/0x90 [ 1237.146581][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1237.151177][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1237.156645][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1237.161503][T18985] do_syscall_64+0xb0/0x150 [ 1237.166054][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1237.171935][T18985] [ 1237.174258][T18985] Uninit was stored to memory at: [ 1237.179289][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1237.185016][T18985] __msan_chain_origin+0x50/0x90 [ 1237.189964][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1237.194561][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1237.199515][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1237.204372][T18985] do_syscall_64+0xb0/0x150 [ 1237.208884][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1237.214766][T18985] [ 1237.217086][T18985] Uninit was stored to memory at: [ 1237.222109][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1237.227827][T18985] __msan_chain_origin+0x50/0x90 [ 1237.232767][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1237.237361][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1237.242301][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1237.247159][T18985] do_syscall_64+0xb0/0x150 [ 1237.251665][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1237.257544][T18985] [ 1237.259869][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1237.266572][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1237.270994][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1237.456536][T18985] not chained 5810000 origins [ 1237.461442][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1237.470375][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1237.480524][T18985] Call Trace: [ 1237.483820][T18985] dump_stack+0x1df/0x240 [ 1237.488129][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1237.493824][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1237.498932][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1237.504823][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1237.510105][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1237.515377][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1237.521192][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1237.527238][T18985] ? kfree+0x61/0x30f0 [ 1237.531291][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1237.536381][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1237.541929][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1237.548009][T18985] ? _copy_from_user+0x15b/0x260 [ 1237.552944][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1237.558064][T18985] __msan_chain_origin+0x50/0x90 [ 1237.563009][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1237.568104][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1237.573375][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1237.578406][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1237.583427][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1237.589326][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1237.594268][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1237.599125][T18985] do_syscall_64+0xb0/0x150 [ 1237.603623][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1237.609512][T18985] RIP: 0033:0x45c1d9 [ 1237.613378][T18985] Code: Bad RIP value. [ 1237.617438][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1237.625859][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1237.633812][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1237.641768][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1237.649732][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1237.657706][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1237.665683][T18985] Uninit was stored to memory at: [ 1237.670700][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1237.676393][T18985] __msan_chain_origin+0x50/0x90 [ 1237.681315][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1237.685906][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1237.690842][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1237.695673][T18985] do_syscall_64+0xb0/0x150 [ 1237.700166][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1237.706054][T18985] [ 1237.708359][T18985] Uninit was stored to memory at: [ 1237.713361][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1237.719071][T18985] __msan_chain_origin+0x50/0x90 [ 1237.724001][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1237.728565][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1237.733480][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1237.738319][T18985] do_syscall_64+0xb0/0x150 [ 1237.742812][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1237.748692][T18985] [ 1237.750995][T18985] Uninit was stored to memory at: [ 1237.755996][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1237.761738][T18985] __msan_chain_origin+0x50/0x90 [ 1237.766694][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1237.771269][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1237.776185][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1237.781344][T18985] do_syscall_64+0xb0/0x150 [ 1237.785836][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1237.791707][T18985] [ 1237.794013][T18985] Uninit was stored to memory at: [ 1237.799029][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1237.805017][T18985] __msan_chain_origin+0x50/0x90 [ 1237.809954][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1237.814524][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1237.819467][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1237.824406][T18985] do_syscall_64+0xb0/0x150 [ 1237.828906][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1237.834776][T18985] [ 1237.837086][T18985] Uninit was stored to memory at: [ 1237.842117][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1237.847868][T18985] __msan_chain_origin+0x50/0x90 [ 1237.852886][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1237.857467][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1237.862489][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1237.867333][T18985] do_syscall_64+0xb0/0x150 [ 1237.871826][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1237.877697][T18985] [ 1237.880033][T18985] Uninit was stored to memory at: [ 1237.885070][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1237.890900][T18985] __msan_chain_origin+0x50/0x90 [ 1237.895938][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1237.900521][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1237.905439][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1237.910275][T18985] do_syscall_64+0xb0/0x150 [ 1237.914758][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1237.920647][T18985] [ 1237.922964][T18985] Uninit was stored to memory at: [ 1237.927968][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1237.933667][T18985] __msan_chain_origin+0x50/0x90 [ 1237.938593][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1237.943175][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1237.948093][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1237.952919][T18985] do_syscall_64+0xb0/0x150 [ 1237.957409][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1237.963282][T18985] [ 1237.965588][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1237.972244][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1237.976636][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1238.145868][T18985] not chained 5820000 origins [ 1238.150589][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1238.159257][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1238.169313][T18985] Call Trace: [ 1238.172613][T18985] dump_stack+0x1df/0x240 [ 1238.176951][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1238.182682][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1238.187801][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1238.193697][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1238.198996][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1238.204206][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1238.210021][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1238.216089][T18985] ? kfree+0x61/0x30f0 [ 1238.220168][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1238.225287][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1238.230847][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1238.236924][T18985] ? _copy_from_user+0x15b/0x260 [ 1238.241887][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1238.247007][T18985] __msan_chain_origin+0x50/0x90 [ 1238.251952][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1238.256574][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1238.261870][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1238.266896][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1238.271924][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1238.277829][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1238.282958][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1238.287821][T18985] do_syscall_64+0xb0/0x150 [ 1238.292333][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1238.298224][T18985] RIP: 0033:0x45c1d9 [ 1238.302112][T18985] Code: Bad RIP value. [ 1238.306174][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1238.314589][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1238.322562][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1238.330534][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1238.338512][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1238.346485][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1238.354465][T18985] Uninit was stored to memory at: [ 1238.359499][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1238.365227][T18985] __msan_chain_origin+0x50/0x90 [ 1238.370173][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1238.374770][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1238.379712][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1238.384567][T18985] do_syscall_64+0xb0/0x150 [ 1238.389074][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1238.394952][T18985] [ 1238.397269][T18985] Uninit was stored to memory at: [ 1238.402307][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1238.408028][T18985] __msan_chain_origin+0x50/0x90 [ 1238.412972][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1238.417564][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1238.422500][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1238.427353][T18985] do_syscall_64+0xb0/0x150 [ 1238.431860][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1238.437740][T18985] [ 1238.440061][T18985] Uninit was stored to memory at: [ 1238.445092][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1238.450816][T18985] __msan_chain_origin+0x50/0x90 [ 1238.455759][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1238.460353][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1238.465401][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1238.470253][T18985] do_syscall_64+0xb0/0x150 [ 1238.474753][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1238.480663][T18985] [ 1238.482987][T18985] Uninit was stored to memory at: [ 1238.488016][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1238.493733][T18985] __msan_chain_origin+0x50/0x90 [ 1238.498677][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1238.503266][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1238.508213][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1238.513156][T18985] do_syscall_64+0xb0/0x150 [ 1238.517666][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1238.523543][T18985] [ 1238.525866][T18985] Uninit was stored to memory at: [ 1238.530893][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1238.536646][T18985] __msan_chain_origin+0x50/0x90 [ 1238.541586][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1238.546177][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1238.551122][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1238.555973][T18985] do_syscall_64+0xb0/0x150 [ 1238.560492][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1238.566372][T18985] [ 1238.568690][T18985] Uninit was stored to memory at: [ 1238.574070][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1238.579966][T18985] __msan_chain_origin+0x50/0x90 [ 1238.585429][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1238.590022][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1238.594971][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1238.599845][T18985] do_syscall_64+0xb0/0x150 [ 1238.604362][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1238.610283][T18985] [ 1238.612606][T18985] Uninit was stored to memory at: [ 1238.617644][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1238.623473][T18985] __msan_chain_origin+0x50/0x90 [ 1238.628413][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1238.633531][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1238.638799][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1238.643651][T18985] do_syscall_64+0xb0/0x150 [ 1238.648254][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1238.654138][T18985] [ 1238.656461][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1238.663144][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1238.667568][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1238.835593][T18985] not chained 5830000 origins [ 1238.840319][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1238.849133][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1238.859451][T18985] Call Trace: [ 1238.862751][T18985] dump_stack+0x1df/0x240 [ 1238.868174][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1238.873900][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1238.879029][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1238.884930][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1238.890223][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1238.895437][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1238.901252][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1238.907325][T18985] ? kfree+0x61/0x30f0 [ 1238.911402][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1238.916515][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1238.922076][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1238.928159][T18985] ? _copy_from_user+0x15b/0x260 [ 1238.933106][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1238.938221][T18985] __msan_chain_origin+0x50/0x90 [ 1238.943165][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1238.947797][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1238.953084][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1238.958117][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1238.963144][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1238.969041][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1238.973991][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1238.978846][T18985] do_syscall_64+0xb0/0x150 [ 1238.983389][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1238.989279][T18985] RIP: 0033:0x45c1d9 [ 1238.993159][T18985] Code: Bad RIP value. [ 1238.997230][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1239.005643][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1239.013614][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1239.021606][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1239.031669][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1239.039646][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1239.047629][T18985] Uninit was stored to memory at: [ 1239.052669][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1239.058392][T18985] __msan_chain_origin+0x50/0x90 [ 1239.063334][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1239.067927][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1239.072866][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1239.077718][T18985] do_syscall_64+0xb0/0x150 [ 1239.082221][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1239.088104][T18985] [ 1239.090422][T18985] Uninit was stored to memory at: [ 1239.095447][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1239.101167][T18985] __msan_chain_origin+0x50/0x90 [ 1239.106112][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1239.110711][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1239.118521][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1239.123379][T18985] do_syscall_64+0xb0/0x150 [ 1239.127884][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1239.133777][T18985] [ 1239.136097][T18985] Uninit was stored to memory at: [ 1239.141154][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1239.146869][T18985] __msan_chain_origin+0x50/0x90 [ 1239.151803][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1239.156390][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1239.161330][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1239.166185][T18985] do_syscall_64+0xb0/0x150 [ 1239.170691][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1239.176568][T18985] [ 1239.178890][T18985] Uninit was stored to memory at: [ 1239.183918][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1239.189641][T18985] __msan_chain_origin+0x50/0x90 [ 1239.194581][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1239.199172][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1239.204116][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1239.208976][T18985] do_syscall_64+0xb0/0x150 [ 1239.213666][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1239.219546][T18985] [ 1239.221865][T18985] Uninit was stored to memory at: [ 1239.226893][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1239.232786][T18985] __msan_chain_origin+0x50/0x90 [ 1239.237902][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1239.242513][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1239.247452][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1239.252329][T18985] do_syscall_64+0xb0/0x150 [ 1239.256973][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1239.264873][T18985] [ 1239.267194][T18985] Uninit was stored to memory at: [ 1239.272581][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1239.279963][T18985] __msan_chain_origin+0x50/0x90 [ 1239.284913][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1239.289531][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1239.294471][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1239.299332][T18985] do_syscall_64+0xb0/0x150 [ 1239.303845][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1239.309730][T18985] [ 1239.312069][T18985] Uninit was stored to memory at: [ 1239.317096][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1239.322816][T18985] __msan_chain_origin+0x50/0x90 [ 1239.327789][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1239.332382][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1239.337325][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1239.342187][T18985] do_syscall_64+0xb0/0x150 [ 1239.346689][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1239.352570][T18985] [ 1239.354894][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1239.361597][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1239.366015][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1239.538112][T18985] not chained 5840000 origins [ 1239.542839][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1239.551504][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1239.561558][T18985] Call Trace: [ 1239.564854][T18985] dump_stack+0x1df/0x240 [ 1239.569199][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1239.574926][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1239.580048][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1239.585953][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1239.591246][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1239.596453][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1239.602704][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1239.608773][T18985] ? kfree+0x61/0x30f0 [ 1239.612855][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1239.617972][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1239.623521][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1239.629685][T18985] ? _copy_from_user+0x15b/0x260 [ 1239.634626][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1239.639869][T18985] __msan_chain_origin+0x50/0x90 [ 1239.644831][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1239.649550][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1239.654855][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1239.659885][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1239.664922][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1239.670867][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1239.675819][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1239.680684][T18985] do_syscall_64+0xb0/0x150 [ 1239.685201][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1239.691187][T18985] RIP: 0033:0x45c1d9 [ 1239.695070][T18985] Code: Bad RIP value. [ 1239.699133][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1239.707672][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1239.715739][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1239.723720][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1239.731700][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1239.739680][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1239.747666][T18985] Uninit was stored to memory at: [ 1239.752709][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1239.758455][T18985] __msan_chain_origin+0x50/0x90 [ 1239.763400][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1239.768130][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1239.773078][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1239.777938][T18985] do_syscall_64+0xb0/0x150 [ 1239.782581][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1239.788550][T18985] [ 1239.790881][T18985] Uninit was stored to memory at: [ 1239.795923][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1239.801806][T18985] __msan_chain_origin+0x50/0x90 [ 1239.806751][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1239.811346][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1239.816308][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1239.821171][T18985] do_syscall_64+0xb0/0x150 [ 1239.825680][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1239.831566][T18985] [ 1239.833887][T18985] Uninit was stored to memory at: [ 1239.839175][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1239.844896][T18985] __msan_chain_origin+0x50/0x90 [ 1239.849843][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1239.854437][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1239.860092][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1239.864953][T18985] do_syscall_64+0xb0/0x150 [ 1239.869642][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1239.875618][T18985] [ 1239.877944][T18985] Uninit was stored to memory at: [ 1239.882988][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1239.888719][T18985] __msan_chain_origin+0x50/0x90 [ 1239.893667][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1239.898262][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1239.903203][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1239.908060][T18985] do_syscall_64+0xb0/0x150 [ 1239.912569][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1239.918450][T18985] [ 1239.920771][T18985] Uninit was stored to memory at: [ 1239.925798][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1239.931521][T18985] __msan_chain_origin+0x50/0x90 [ 1239.936462][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1239.941057][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1239.946005][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1239.950861][T18985] do_syscall_64+0xb0/0x150 [ 1239.955373][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1239.961257][T18985] [ 1239.963580][T18985] Uninit was stored to memory at: [ 1239.968623][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1239.974437][T18985] __msan_chain_origin+0x50/0x90 [ 1239.979382][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1239.983977][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1239.988917][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1239.993771][T18985] do_syscall_64+0xb0/0x150 [ 1239.998291][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1240.004779][T18985] [ 1240.007133][T18985] Uninit was stored to memory at: [ 1240.012162][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1240.017884][T18985] __msan_chain_origin+0x50/0x90 [ 1240.022822][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1240.027415][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1240.032355][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1240.037590][T18985] do_syscall_64+0xb0/0x150 [ 1240.042098][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1240.048153][T18985] [ 1240.050665][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1240.057343][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1240.061758][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1240.230318][T18985] not chained 5850000 origins [ 1240.235043][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1240.243847][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1240.253907][T18985] Call Trace: [ 1240.257207][T18985] dump_stack+0x1df/0x240 [ 1240.261548][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1240.267273][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1240.272405][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1240.278317][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1240.283609][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1240.288815][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1240.294629][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1240.300702][T18985] ? kfree+0x61/0x30f0 [ 1240.304789][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1240.309902][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1240.315452][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1240.321530][T18985] ? _copy_from_user+0x15b/0x260 [ 1240.326473][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1240.331593][T18985] __msan_chain_origin+0x50/0x90 [ 1240.336543][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1240.341176][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1240.346483][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1240.351513][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1240.356539][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1240.362445][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1240.367412][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1240.372272][T18985] do_syscall_64+0xb0/0x150 [ 1240.376779][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1240.382670][T18985] RIP: 0033:0x45c1d9 [ 1240.386556][T18985] Code: Bad RIP value. [ 1240.390621][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1240.399040][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1240.407021][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1240.415000][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1240.423155][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1240.431489][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1240.439475][T18985] Uninit was stored to memory at: [ 1240.444510][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1240.450236][T18985] __msan_chain_origin+0x50/0x90 [ 1240.455178][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1240.459772][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1240.464711][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1240.469563][T18985] do_syscall_64+0xb0/0x150 [ 1240.474075][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1240.479959][T18985] [ 1240.482279][T18985] Uninit was stored to memory at: [ 1240.487306][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1240.493114][T18985] __msan_chain_origin+0x50/0x90 [ 1240.498058][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1240.502650][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1240.507687][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1240.512554][T18985] do_syscall_64+0xb0/0x150 [ 1240.517072][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1240.522962][T18985] [ 1240.525285][T18985] Uninit was stored to memory at: [ 1240.530347][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1240.536066][T18985] __msan_chain_origin+0x50/0x90 [ 1240.541033][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1240.545624][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1240.550567][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1240.555421][T18985] do_syscall_64+0xb0/0x150 [ 1240.559927][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1240.565809][T18985] [ 1240.568131][T18985] Uninit was stored to memory at: [ 1240.573159][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1240.578884][T18985] __msan_chain_origin+0x50/0x90 [ 1240.583829][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1240.588426][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1240.593362][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1240.598217][T18985] do_syscall_64+0xb0/0x150 [ 1240.602723][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1240.608691][T18985] [ 1240.611011][T18985] Uninit was stored to memory at: [ 1240.616040][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1240.621764][T18985] __msan_chain_origin+0x50/0x90 [ 1240.626710][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1240.631333][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1240.636279][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1240.641148][T18985] do_syscall_64+0xb0/0x150 [ 1240.645658][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1240.651539][T18985] [ 1240.653862][T18985] Uninit was stored to memory at: [ 1240.659038][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1240.664772][T18985] __msan_chain_origin+0x50/0x90 [ 1240.669730][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1240.674324][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1240.679267][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1240.684122][T18985] do_syscall_64+0xb0/0x150 [ 1240.688633][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1240.694520][T18985] [ 1240.696839][T18985] Uninit was stored to memory at: [ 1240.701868][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1240.712715][T18985] __msan_chain_origin+0x50/0x90 [ 1240.717656][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1240.722250][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1240.727197][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1240.732050][T18985] do_syscall_64+0xb0/0x150 [ 1240.736558][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1240.746263][T18985] [ 1240.748590][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1240.755271][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1240.759695][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1240.923165][T18985] not chained 5860000 origins [ 1240.927894][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1240.936577][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1240.946633][T18985] Call Trace: [ 1240.949926][T18985] dump_stack+0x1df/0x240 [ 1240.954269][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1240.960084][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1240.965204][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1240.971105][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1240.976400][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1240.981610][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1240.987420][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1240.993489][T18985] ? kfree+0x61/0x30f0 [ 1240.997578][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1241.002720][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1241.008273][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1241.014348][T18985] ? _copy_from_user+0x15b/0x260 [ 1241.019288][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1241.024404][T18985] __msan_chain_origin+0x50/0x90 [ 1241.029349][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1241.033974][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1241.039270][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1241.044302][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1241.049331][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1241.055231][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1241.060187][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1241.065052][T18985] do_syscall_64+0xb0/0x150 [ 1241.069562][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1241.075449][T18985] RIP: 0033:0x45c1d9 [ 1241.079337][T18985] Code: Bad RIP value. [ 1241.083397][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1241.091806][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1241.100865][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1241.108839][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1241.116810][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1241.124787][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1241.132797][T18985] Uninit was stored to memory at: [ 1241.137829][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1241.143553][T18985] __msan_chain_origin+0x50/0x90 [ 1241.148496][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1241.153086][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1241.158029][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1241.163070][T18985] do_syscall_64+0xb0/0x150 [ 1241.167581][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1241.173459][T18985] [ 1241.175782][T18985] Uninit was stored to memory at: [ 1241.180813][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1241.186535][T18985] __msan_chain_origin+0x50/0x90 [ 1241.191478][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1241.196067][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1241.201043][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1241.205994][T18985] do_syscall_64+0xb0/0x150 [ 1241.210503][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1241.216646][T18985] [ 1241.218970][T18985] Uninit was stored to memory at: [ 1241.223998][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1241.229724][T18985] __msan_chain_origin+0x50/0x90 [ 1241.234677][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1241.239297][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1241.244240][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1241.249096][T18985] do_syscall_64+0xb0/0x150 [ 1241.253602][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1241.259481][T18985] [ 1241.261802][T18985] Uninit was stored to memory at: [ 1241.266830][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1241.272567][T18985] __msan_chain_origin+0x50/0x90 [ 1241.277594][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1241.282186][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1241.287128][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1241.293371][T18985] do_syscall_64+0xb0/0x150 [ 1241.297875][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1241.303842][T18985] [ 1241.306162][T18985] Uninit was stored to memory at: [ 1241.311191][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1241.316924][T18985] __msan_chain_origin+0x50/0x90 [ 1241.321867][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1241.326457][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1241.332361][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1241.337211][T18985] do_syscall_64+0xb0/0x150 [ 1241.341805][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1241.347685][T18985] [ 1241.350004][T18985] Uninit was stored to memory at: [ 1241.355038][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1241.360755][T18985] __msan_chain_origin+0x50/0x90 [ 1241.365784][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1241.370378][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1241.375432][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1241.380289][T18985] do_syscall_64+0xb0/0x150 [ 1241.384890][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1241.390774][T18985] [ 1241.393093][T18985] Uninit was stored to memory at: [ 1241.398123][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1241.403845][T18985] __msan_chain_origin+0x50/0x90 [ 1241.408783][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1241.413370][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1241.418344][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1241.423235][T18985] do_syscall_64+0xb0/0x150 [ 1241.427741][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1241.433615][T18985] [ 1241.435936][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1241.442642][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1241.447064][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1241.612665][T18985] not chained 5870000 origins [ 1241.617733][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1241.626401][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1241.637501][T18985] Call Trace: [ 1241.640824][T18985] dump_stack+0x1df/0x240 [ 1241.645203][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1241.651103][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1241.656226][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1241.662130][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1241.667423][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1241.672623][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1241.678435][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1241.684510][T18985] ? kfree+0x61/0x30f0 [ 1241.688591][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1241.693703][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1241.699313][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1241.705681][T18985] ? _copy_from_user+0x15b/0x260 [ 1241.710622][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1241.715738][T18985] __msan_chain_origin+0x50/0x90 [ 1241.720686][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1241.725315][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1241.730607][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1241.735637][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1241.740673][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1241.746664][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1241.751616][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1241.759569][T18985] do_syscall_64+0xb0/0x150 [ 1241.764089][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1241.770072][T18985] RIP: 0033:0x45c1d9 [ 1241.773956][T18985] Code: Bad RIP value. [ 1241.778028][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1241.786441][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1241.798620][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1241.806597][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1241.814710][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1241.822778][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1241.830776][T18985] Uninit was stored to memory at: [ 1241.835815][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1241.841551][T18985] __msan_chain_origin+0x50/0x90 [ 1241.846500][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1241.851099][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1241.856128][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1241.861066][T18985] do_syscall_64+0xb0/0x150 [ 1241.865603][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1241.871489][T18985] [ 1241.873813][T18985] Uninit was stored to memory at: [ 1241.878844][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1241.884566][T18985] __msan_chain_origin+0x50/0x90 [ 1241.889548][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1241.894225][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1241.899777][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1241.904636][T18985] do_syscall_64+0xb0/0x150 [ 1241.909147][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1241.915029][T18985] [ 1241.917356][T18985] Uninit was stored to memory at: [ 1241.922386][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1241.928108][T18985] __msan_chain_origin+0x50/0x90 [ 1241.933058][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1241.937652][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1241.942794][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1241.947654][T18985] do_syscall_64+0xb0/0x150 [ 1241.952249][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1241.958128][T18985] [ 1241.960449][T18985] Uninit was stored to memory at: [ 1241.965479][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1241.971288][T18985] __msan_chain_origin+0x50/0x90 [ 1241.976247][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1241.980844][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1241.985869][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1241.990745][T18985] do_syscall_64+0xb0/0x150 [ 1241.995249][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1242.001130][T18985] [ 1242.003450][T18985] Uninit was stored to memory at: [ 1242.008503][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1242.014237][T18985] __msan_chain_origin+0x50/0x90 [ 1242.019188][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1242.023790][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1242.033514][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1242.038370][T18985] do_syscall_64+0xb0/0x150 [ 1242.042877][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1242.048757][T18985] [ 1242.051079][T18985] Uninit was stored to memory at: [ 1242.056104][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1242.061827][T18985] __msan_chain_origin+0x50/0x90 [ 1242.066804][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1242.071494][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1242.076434][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1242.081292][T18985] do_syscall_64+0xb0/0x150 [ 1242.085800][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1242.091770][T18985] [ 1242.094089][T18985] Uninit was stored to memory at: [ 1242.099118][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1242.104926][T18985] __msan_chain_origin+0x50/0x90 [ 1242.109892][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1242.114483][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1242.119439][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1242.124295][T18985] do_syscall_64+0xb0/0x150 [ 1242.128802][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1242.134787][T18985] [ 1242.137137][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1242.143816][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1242.148233][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1242.318252][T18985] not chained 5880000 origins [ 1242.322979][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1242.331649][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1242.341708][T18985] Call Trace: [ 1242.345013][T18985] dump_stack+0x1df/0x240 [ 1242.349357][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1242.355099][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1242.360218][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1242.366120][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1242.371417][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1242.376624][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1242.382438][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1242.388512][T18985] ? kfree+0x61/0x30f0 [ 1242.392592][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1242.397710][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1242.403264][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1242.409344][T18985] ? _copy_from_user+0x15b/0x260 [ 1242.414288][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1242.419403][T18985] __msan_chain_origin+0x50/0x90 [ 1242.424347][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1242.428976][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1242.434269][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1242.439383][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1242.444411][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1242.450322][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1242.455277][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1242.460137][T18985] do_syscall_64+0xb0/0x150 [ 1242.464649][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1242.470634][T18985] RIP: 0033:0x45c1d9 [ 1242.474518][T18985] Code: Bad RIP value. [ 1242.478585][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1242.487434][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1242.495413][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1242.503387][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1242.511365][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1242.519337][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1242.527325][T18985] Uninit was stored to memory at: [ 1242.532357][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1242.538084][T18985] __msan_chain_origin+0x50/0x90 [ 1242.543024][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1242.547837][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1242.552781][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1242.557639][T18985] do_syscall_64+0xb0/0x150 [ 1242.562141][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1242.568028][T18985] [ 1242.570351][T18985] Uninit was stored to memory at: [ 1242.575478][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1242.581201][T18985] __msan_chain_origin+0x50/0x90 [ 1242.586146][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1242.590751][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1242.595695][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1242.600560][T18985] do_syscall_64+0xb0/0x150 [ 1242.605076][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1242.611121][T18985] [ 1242.613444][T18985] Uninit was stored to memory at: [ 1242.618473][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1242.624212][T18985] __msan_chain_origin+0x50/0x90 [ 1242.629168][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1242.633924][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1242.638876][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1242.643730][T18985] do_syscall_64+0xb0/0x150 [ 1242.648238][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1242.654119][T18985] [ 1242.656437][T18985] Uninit was stored to memory at: [ 1242.661466][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1242.667195][T18985] __msan_chain_origin+0x50/0x90 [ 1242.672133][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1242.676722][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1242.681667][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1242.686520][T18985] do_syscall_64+0xb0/0x150 [ 1242.691037][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1242.696919][T18985] [ 1242.699239][T18985] Uninit was stored to memory at: [ 1242.704268][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1242.709991][T18985] __msan_chain_origin+0x50/0x90 [ 1242.714932][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1242.719524][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1242.724464][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1242.729319][T18985] do_syscall_64+0xb0/0x150 [ 1242.733828][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1242.739734][T18985] [ 1242.742054][T18985] Uninit was stored to memory at: [ 1242.747082][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1242.752801][T18985] __msan_chain_origin+0x50/0x90 [ 1242.757743][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1242.762345][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1242.767294][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1242.772156][T18985] do_syscall_64+0xb0/0x150 [ 1242.776666][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1242.782547][T18985] [ 1242.784868][T18985] Uninit was stored to memory at: [ 1242.789901][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1242.795645][T18985] __msan_chain_origin+0x50/0x90 [ 1242.800608][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1242.805207][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1242.810251][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1242.815117][T18985] do_syscall_64+0xb0/0x150 [ 1242.819781][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1242.825670][T18985] [ 1242.828009][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1242.834693][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1242.839119][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1243.003874][T18985] not chained 5890000 origins [ 1243.008606][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1243.017277][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1243.027336][T18985] Call Trace: [ 1243.030938][T18985] dump_stack+0x1df/0x240 [ 1243.035278][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1243.041019][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1243.046139][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1243.052046][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1243.057350][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1243.062557][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1243.068374][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1243.074443][T18985] ? kfree+0x61/0x30f0 [ 1243.078519][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1243.083643][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1243.089373][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1243.095449][T18985] ? _copy_from_user+0x15b/0x260 [ 1243.100394][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1243.105506][T18985] __msan_chain_origin+0x50/0x90 [ 1243.110667][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1243.115294][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1243.120590][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1243.125627][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1243.130660][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1243.136560][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1243.141517][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1243.146640][T18985] do_syscall_64+0xb0/0x150 [ 1243.151161][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1243.157055][T18985] RIP: 0033:0x45c1d9 [ 1243.160941][T18985] Code: Bad RIP value. [ 1243.165003][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1243.173414][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1243.181389][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1243.189361][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1243.197333][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1243.205308][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1243.213303][T18985] Uninit was stored to memory at: [ 1243.218335][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1243.224061][T18985] __msan_chain_origin+0x50/0x90 [ 1243.229004][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1243.233596][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1243.238553][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1243.243408][T18985] do_syscall_64+0xb0/0x150 [ 1243.247914][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1243.253794][T18985] [ 1243.256113][T18985] Uninit was stored to memory at: [ 1243.261142][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1243.266870][T18985] __msan_chain_origin+0x50/0x90 [ 1243.271814][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1243.276501][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1243.281440][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1243.286295][T18985] do_syscall_64+0xb0/0x150 [ 1243.290807][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1243.296687][T18985] [ 1243.299008][T18985] Uninit was stored to memory at: [ 1243.304038][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1243.309759][T18985] __msan_chain_origin+0x50/0x90 [ 1243.314695][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1243.319293][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1243.324231][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1243.329099][T18985] do_syscall_64+0xb0/0x150 [ 1243.333602][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1243.339573][T18985] [ 1243.341895][T18985] Uninit was stored to memory at: [ 1243.346953][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1243.352673][T18985] __msan_chain_origin+0x50/0x90 [ 1243.357628][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1243.362234][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1243.367263][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1243.372123][T18985] do_syscall_64+0xb0/0x150 [ 1243.376633][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1243.382532][T18985] [ 1243.384881][T18985] Uninit was stored to memory at: [ 1243.389911][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1243.395628][T18985] __msan_chain_origin+0x50/0x90 [ 1243.400567][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1243.405246][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1243.410188][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1243.415057][T18985] do_syscall_64+0xb0/0x150 [ 1243.419567][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1243.425447][T18985] [ 1243.427770][T18985] Uninit was stored to memory at: [ 1243.432801][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1243.438523][T18985] __msan_chain_origin+0x50/0x90 [ 1243.443467][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1243.448066][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1243.453007][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1243.457862][T18985] do_syscall_64+0xb0/0x150 [ 1243.462365][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1243.468334][T18985] [ 1243.470653][T18985] Uninit was stored to memory at: [ 1243.475680][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1243.481451][T18985] __msan_chain_origin+0x50/0x90 [ 1243.486390][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1243.490986][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1243.495925][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1243.500786][T18985] do_syscall_64+0xb0/0x150 [ 1243.505321][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1243.511210][T18985] [ 1243.513535][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1243.520215][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1243.524633][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1243.691556][T18985] not chained 5900000 origins [ 1243.696275][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1243.704946][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1243.715003][T18985] Call Trace: [ 1243.718303][T18985] dump_stack+0x1df/0x240 [ 1243.722645][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1243.728373][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1243.733493][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1243.739397][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1243.744689][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1243.749895][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1243.755706][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1243.761779][T18985] ? kfree+0x61/0x30f0 [ 1243.765857][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1243.770975][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1243.776659][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1243.782751][T18985] ? _copy_from_user+0x15b/0x260 [ 1243.787822][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1243.792941][T18985] __msan_chain_origin+0x50/0x90 [ 1243.797887][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1243.802513][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1243.807802][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1243.812867][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1243.817907][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1243.823818][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1243.828786][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1243.833648][T18985] do_syscall_64+0xb0/0x150 [ 1243.838166][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1243.844060][T18985] RIP: 0033:0x45c1d9 [ 1243.847946][T18985] Code: Bad RIP value. [ 1243.852011][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1243.860423][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1243.868398][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1243.876369][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1243.884350][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1243.892472][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1243.900456][T18985] Uninit was stored to memory at: [ 1243.905494][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1243.911213][T18985] __msan_chain_origin+0x50/0x90 [ 1243.916169][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1243.921288][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1243.926234][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1243.931089][T18985] do_syscall_64+0xb0/0x150 [ 1243.935597][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1243.941478][T18985] [ 1243.944235][T18985] Uninit was stored to memory at: [ 1243.949266][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1243.954988][T18985] __msan_chain_origin+0x50/0x90 [ 1243.959943][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1243.964544][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1243.969485][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1243.974338][T18985] do_syscall_64+0xb0/0x150 [ 1243.978845][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1243.984726][T18985] [ 1243.987047][T18985] Uninit was stored to memory at: [ 1243.992075][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1243.997795][T18985] __msan_chain_origin+0x50/0x90 [ 1244.002734][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1244.007324][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1244.012349][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1244.017204][T18985] do_syscall_64+0xb0/0x150 [ 1244.021713][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1244.027591][T18985] [ 1244.029908][T18985] Uninit was stored to memory at: [ 1244.034936][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1244.040655][T18985] __msan_chain_origin+0x50/0x90 [ 1244.045604][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1244.050210][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1244.055154][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1244.060026][T18985] do_syscall_64+0xb0/0x150 [ 1244.064537][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1244.070418][T18985] [ 1244.072739][T18985] Uninit was stored to memory at: [ 1244.077769][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1244.083494][T18985] __msan_chain_origin+0x50/0x90 [ 1244.088442][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1244.093038][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1244.098067][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1244.102924][T18985] do_syscall_64+0xb0/0x150 [ 1244.107444][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1244.113328][T18985] [ 1244.115649][T18985] Uninit was stored to memory at: [ 1244.120679][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1244.126399][T18985] __msan_chain_origin+0x50/0x90 [ 1244.131359][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1244.135950][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1244.140898][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1244.145754][T18985] do_syscall_64+0xb0/0x150 [ 1244.150264][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1244.156144][T18985] [ 1244.158469][T18985] Uninit was stored to memory at: [ 1244.163496][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1244.169217][T18985] __msan_chain_origin+0x50/0x90 [ 1244.174161][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1244.178771][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1244.183710][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1244.188564][T18985] do_syscall_64+0xb0/0x150 [ 1244.193072][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1244.199041][T18985] [ 1244.201363][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1244.208128][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1244.212543][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1244.385283][T18985] not chained 5910000 origins [ 1244.390093][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1244.398772][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1244.408832][T18985] Call Trace: [ 1244.412134][T18985] dump_stack+0x1df/0x240 [ 1244.416475][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1244.422207][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1244.427322][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1244.433477][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1244.438770][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1244.443974][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1244.449790][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1244.456642][T18985] ? kfree+0x61/0x30f0 [ 1244.460720][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1244.465836][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1244.471394][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1244.477474][T18985] ? _copy_from_user+0x15b/0x260 [ 1244.482417][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1244.487622][T18985] __msan_chain_origin+0x50/0x90 [ 1244.495791][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1244.500423][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1244.506243][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1244.511297][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1244.516322][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1244.522400][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1244.527356][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1244.532213][T18985] do_syscall_64+0xb0/0x150 [ 1244.536725][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1244.542628][T18985] RIP: 0033:0x45c1d9 [ 1244.546515][T18985] Code: Bad RIP value. [ 1244.550577][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1244.558990][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1244.566970][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1244.574945][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1244.582934][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1244.590912][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1244.599021][T18985] Uninit was stored to memory at: [ 1244.604068][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1244.609797][T18985] __msan_chain_origin+0x50/0x90 [ 1244.614762][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1244.619358][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1244.624300][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1244.630113][T18985] do_syscall_64+0xb0/0x150 [ 1244.634621][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1244.640508][T18985] [ 1244.642854][T18985] Uninit was stored to memory at: [ 1244.647881][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1244.653615][T18985] __msan_chain_origin+0x50/0x90 [ 1244.658563][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1244.663158][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1244.668101][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1244.672953][T18985] do_syscall_64+0xb0/0x150 [ 1244.677460][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1244.683344][T18985] [ 1244.685666][T18985] Uninit was stored to memory at: [ 1244.690698][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1244.697025][T18985] __msan_chain_origin+0x50/0x90 [ 1244.701966][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1244.706562][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1244.711503][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1244.716361][T18985] do_syscall_64+0xb0/0x150 [ 1244.720870][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1244.726749][T18985] [ 1244.729070][T18985] Uninit was stored to memory at: [ 1244.734095][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1244.739818][T18985] __msan_chain_origin+0x50/0x90 [ 1244.744758][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1244.749349][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1244.754282][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1244.759134][T18985] do_syscall_64+0xb0/0x150 [ 1244.763729][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1244.769609][T18985] [ 1244.771930][T18985] Uninit was stored to memory at: [ 1244.777048][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1244.782774][T18985] __msan_chain_origin+0x50/0x90 [ 1244.787714][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1244.792304][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1244.797415][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1244.802269][T18985] do_syscall_64+0xb0/0x150 [ 1244.806776][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1244.812900][T18985] [ 1244.815237][T18985] Uninit was stored to memory at: [ 1244.820276][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1244.825999][T18985] __msan_chain_origin+0x50/0x90 [ 1244.830949][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1244.835540][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1244.840488][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1244.845342][T18985] do_syscall_64+0xb0/0x150 [ 1244.849851][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1244.855731][T18985] [ 1244.858055][T18985] Uninit was stored to memory at: [ 1244.863086][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1244.868891][T18985] __msan_chain_origin+0x50/0x90 [ 1244.873837][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1244.878432][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1244.883371][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1244.888228][T18985] do_syscall_64+0xb0/0x150 [ 1244.892742][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1244.898623][T18985] [ 1244.900946][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1244.907623][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1244.912038][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1245.083252][T18985] not chained 5920000 origins [ 1245.088061][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1245.096725][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1245.106780][T18985] Call Trace: [ 1245.110076][T18985] dump_stack+0x1df/0x240 [ 1245.114414][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1245.120142][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1245.125262][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1245.131160][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1245.136461][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1245.141673][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1245.147488][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1245.153595][T18985] ? kfree+0x61/0x30f0 [ 1245.157671][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1245.162782][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1245.168332][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1245.174400][T18985] ? _copy_from_user+0x15b/0x260 [ 1245.179340][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1245.184457][T18985] __msan_chain_origin+0x50/0x90 [ 1245.189499][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1245.194129][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1245.199428][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1245.204462][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1245.209515][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1245.215416][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1245.220368][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1245.225227][T18985] do_syscall_64+0xb0/0x150 [ 1245.229741][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1245.235633][T18985] RIP: 0033:0x45c1d9 [ 1245.239536][T18985] Code: Bad RIP value. [ 1245.247098][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1245.255512][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1245.263487][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1245.271460][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1245.279441][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1245.287426][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1245.295415][T18985] Uninit was stored to memory at: [ 1245.300455][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1245.306188][T18985] __msan_chain_origin+0x50/0x90 [ 1245.311135][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1245.315736][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1245.320679][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1245.325537][T18985] do_syscall_64+0xb0/0x150 [ 1245.330053][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1245.335933][T18985] [ 1245.338257][T18985] Uninit was stored to memory at: [ 1245.343288][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1245.349013][T18985] __msan_chain_origin+0x50/0x90 [ 1245.354090][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1245.358701][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1245.363647][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1245.368499][T18985] do_syscall_64+0xb0/0x150 [ 1245.373004][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1245.378888][T18985] [ 1245.381212][T18985] Uninit was stored to memory at: [ 1245.386240][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1245.392061][T18985] __msan_chain_origin+0x50/0x90 [ 1245.397008][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1245.401624][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1245.406559][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1245.411436][T18985] do_syscall_64+0xb0/0x150 [ 1245.416028][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1245.421911][T18985] [ 1245.424238][T18985] Uninit was stored to memory at: [ 1245.429266][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1245.435419][T18985] __msan_chain_origin+0x50/0x90 [ 1245.440447][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1245.445042][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1245.449983][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1245.454836][T18985] do_syscall_64+0xb0/0x150 [ 1245.459346][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1245.465227][T18985] [ 1245.467550][T18985] Uninit was stored to memory at: [ 1245.472578][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1245.478302][T18985] __msan_chain_origin+0x50/0x90 [ 1245.483244][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1245.487840][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1245.492779][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1245.497632][T18985] do_syscall_64+0xb0/0x150 [ 1245.502139][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1245.508019][T18985] [ 1245.510339][T18985] Uninit was stored to memory at: [ 1245.515362][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1245.521086][T18985] __msan_chain_origin+0x50/0x90 [ 1245.526026][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1245.530618][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1245.535557][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1245.540411][T18985] do_syscall_64+0xb0/0x150 [ 1245.544917][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1245.550798][T18985] [ 1245.553128][T18985] Uninit was stored to memory at: [ 1245.558162][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1245.563883][T18985] __msan_chain_origin+0x50/0x90 [ 1245.568827][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1245.573424][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1245.578972][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1245.583828][T18985] do_syscall_64+0xb0/0x150 [ 1245.588343][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1245.594532][T18985] [ 1245.597008][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1245.603693][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1245.608133][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1245.781036][T18985] not chained 5930000 origins [ 1245.785758][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1245.794427][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1245.804483][T18985] Call Trace: [ 1245.807782][T18985] dump_stack+0x1df/0x240 [ 1245.812120][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1245.818098][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1245.823247][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1245.829169][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1245.834490][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1245.839784][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1245.845597][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1245.851671][T18985] ? kfree+0x61/0x30f0 [ 1245.855746][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1245.860861][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1245.866419][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1245.872501][T18985] ? _copy_from_user+0x15b/0x260 [ 1245.877449][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1245.882566][T18985] __msan_chain_origin+0x50/0x90 [ 1245.887508][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1245.892223][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1245.897689][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1245.902715][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1245.907745][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1245.913642][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1245.918600][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1245.923545][T18985] do_syscall_64+0xb0/0x150 [ 1245.929272][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1245.935161][T18985] RIP: 0033:0x45c1d9 [ 1245.939098][T18985] Code: Bad RIP value. [ 1245.943158][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1245.951570][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1245.959540][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1245.967510][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1245.975483][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1245.983459][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1245.991465][T18985] Uninit was stored to memory at: [ 1245.996497][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1246.002224][T18985] __msan_chain_origin+0x50/0x90 [ 1246.007166][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1246.011750][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1246.016686][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1246.021715][T18985] do_syscall_64+0xb0/0x150 [ 1246.026218][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1246.032446][T18985] [ 1246.035199][T18985] Uninit was stored to memory at: [ 1246.040231][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1246.045957][T18985] __msan_chain_origin+0x50/0x90 [ 1246.050901][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1246.055595][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1246.060539][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1246.065477][T18985] do_syscall_64+0xb0/0x150 [ 1246.069987][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1246.075873][T18985] [ 1246.078193][T18985] Uninit was stored to memory at: [ 1246.083222][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1246.088944][T18985] __msan_chain_origin+0x50/0x90 [ 1246.093882][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1246.098475][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1246.104582][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1246.109450][T18985] do_syscall_64+0xb0/0x150 [ 1246.113957][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1246.119870][T18985] [ 1246.122195][T18985] Uninit was stored to memory at: [ 1246.127228][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1246.132974][T18985] __msan_chain_origin+0x50/0x90 [ 1246.137914][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1246.142504][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1246.147452][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1246.152300][T18985] do_syscall_64+0xb0/0x150 [ 1246.156805][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1246.162689][T18985] [ 1246.165011][T18985] Uninit was stored to memory at: [ 1246.170051][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1246.175773][T18985] __msan_chain_origin+0x50/0x90 [ 1246.180714][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1246.185318][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1246.190256][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1246.195108][T18985] do_syscall_64+0xb0/0x150 [ 1246.199620][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1246.205499][T18985] [ 1246.207823][T18985] Uninit was stored to memory at: [ 1246.212848][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1246.218569][T18985] __msan_chain_origin+0x50/0x90 [ 1246.223597][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1246.228191][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1246.233129][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1246.237985][T18985] do_syscall_64+0xb0/0x150 [ 1246.242488][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1246.248372][T18985] [ 1246.250690][T18985] Uninit was stored to memory at: [ 1246.255752][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1246.261482][T18985] __msan_chain_origin+0x50/0x90 [ 1246.266433][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1246.271027][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1246.275964][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1246.280814][T18985] do_syscall_64+0xb0/0x150 [ 1246.285409][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1246.291288][T18985] [ 1246.293614][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1246.300379][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1246.304795][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1246.475991][T18985] not chained 5940000 origins [ 1246.480716][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1246.489475][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1246.499529][T18985] Call Trace: [ 1246.503694][T18985] dump_stack+0x1df/0x240 [ 1246.508033][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1246.513756][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1246.518891][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1246.524792][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1246.530091][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1246.535293][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1246.541284][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1246.547351][T18985] ? kfree+0x61/0x30f0 [ 1246.551421][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1246.556539][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1246.562097][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1246.568170][T18985] ? _copy_from_user+0x15b/0x260 [ 1246.573111][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1246.578231][T18985] __msan_chain_origin+0x50/0x90 [ 1246.583176][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1246.587803][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1246.593105][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1246.598127][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1246.603155][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1246.609057][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1246.614010][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1246.618953][T18985] do_syscall_64+0xb0/0x150 [ 1246.623477][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1246.629374][T18985] RIP: 0033:0x45c1d9 [ 1246.633260][T18985] Code: Bad RIP value. [ 1246.637320][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1246.645825][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1246.653797][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1246.661772][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1246.669845][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1246.677817][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1246.686150][T18985] Uninit was stored to memory at: [ 1246.691186][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1246.696904][T18985] __msan_chain_origin+0x50/0x90 [ 1246.701839][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1246.706429][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1246.711376][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1246.716228][T18985] do_syscall_64+0xb0/0x150 [ 1246.720751][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1246.726641][T18985] [ 1246.729055][T18985] Uninit was stored to memory at: [ 1246.734101][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1246.739820][T18985] __msan_chain_origin+0x50/0x90 [ 1246.744761][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1246.749364][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1246.754306][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1246.759165][T18985] do_syscall_64+0xb0/0x150 [ 1246.763672][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1246.769639][T18985] [ 1246.771964][T18985] Uninit was stored to memory at: [ 1246.776990][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1246.782713][T18985] __msan_chain_origin+0x50/0x90 [ 1246.787655][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1246.792249][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1246.797187][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1246.802053][T18985] do_syscall_64+0xb0/0x150 [ 1246.806577][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1246.812462][T18985] [ 1246.814783][T18985] Uninit was stored to memory at: [ 1246.819815][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1246.825533][T18985] __msan_chain_origin+0x50/0x90 [ 1246.830482][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1246.835076][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1246.840018][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1246.844869][T18985] do_syscall_64+0xb0/0x150 [ 1246.849377][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1246.855259][T18985] [ 1246.857582][T18985] Uninit was stored to memory at: [ 1246.862606][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1246.868326][T18985] __msan_chain_origin+0x50/0x90 [ 1246.873267][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1246.877874][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1246.882813][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1246.887668][T18985] do_syscall_64+0xb0/0x150 [ 1246.892192][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1246.898077][T18985] [ 1246.900395][T18985] Uninit was stored to memory at: [ 1246.905595][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1246.911320][T18985] __msan_chain_origin+0x50/0x90 [ 1246.916258][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1246.920845][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1246.925785][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1246.930646][T18985] do_syscall_64+0xb0/0x150 [ 1246.935170][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1246.941051][T18985] [ 1246.943369][T18985] Uninit was stored to memory at: [ 1246.948397][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1246.954117][T18985] __msan_chain_origin+0x50/0x90 [ 1246.959056][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1246.963643][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1246.968593][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1246.973444][T18985] do_syscall_64+0xb0/0x150 [ 1246.977952][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1246.983831][T18985] [ 1246.986151][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1246.992927][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1246.997385][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1247.174955][T18985] not chained 5950000 origins [ 1247.179682][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1247.188416][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1247.198819][T18985] Call Trace: [ 1247.202125][T18985] dump_stack+0x1df/0x240 [ 1247.206461][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1247.212184][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1247.217307][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1247.223206][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1247.228504][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1247.233742][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1247.239555][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1247.245625][T18985] ? kfree+0x61/0x30f0 [ 1247.249708][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1247.254825][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1247.260379][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1247.266454][T18985] ? _copy_from_user+0x15b/0x260 [ 1247.271518][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1247.276635][T18985] __msan_chain_origin+0x50/0x90 [ 1247.281580][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1247.286277][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1247.291578][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1247.296645][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1247.301681][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1247.307586][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1247.312539][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1247.317393][T18985] do_syscall_64+0xb0/0x150 [ 1247.321907][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1247.327798][T18985] RIP: 0033:0x45c1d9 [ 1247.331683][T18985] Code: Bad RIP value. [ 1247.335857][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1247.344354][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1247.352352][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1247.362356][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1247.370340][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1247.378338][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1247.386326][T18985] Uninit was stored to memory at: [ 1247.391453][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1247.397274][T18985] __msan_chain_origin+0x50/0x90 [ 1247.402240][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1247.406827][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1247.411775][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1247.416633][T18985] do_syscall_64+0xb0/0x150 [ 1247.421138][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1247.427017][T18985] [ 1247.429336][T18985] Uninit was stored to memory at: [ 1247.434368][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1247.440088][T18985] __msan_chain_origin+0x50/0x90 [ 1247.445722][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1247.450327][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1247.455828][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1247.460683][T18985] do_syscall_64+0xb0/0x150 [ 1247.465198][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1247.471082][T18985] [ 1247.473404][T18985] Uninit was stored to memory at: [ 1247.478434][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1247.484157][T18985] __msan_chain_origin+0x50/0x90 [ 1247.489197][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1247.493795][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1247.498774][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1247.503661][T18985] do_syscall_64+0xb0/0x150 [ 1247.508316][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1247.514220][T18985] [ 1247.516646][T18985] Uninit was stored to memory at: [ 1247.521864][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1247.528043][T18985] __msan_chain_origin+0x50/0x90 [ 1247.533781][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1247.538381][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1247.543323][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1247.548181][T18985] do_syscall_64+0xb0/0x150 [ 1247.552688][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1247.558593][T18985] [ 1247.560914][T18985] Uninit was stored to memory at: [ 1247.565946][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1247.571674][T18985] __msan_chain_origin+0x50/0x90 [ 1247.576613][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1247.581327][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1247.586278][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1247.591660][T18985] do_syscall_64+0xb0/0x150 [ 1247.596171][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1247.602053][T18985] [ 1247.604372][T18985] Uninit was stored to memory at: [ 1247.609403][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1247.615126][T18985] __msan_chain_origin+0x50/0x90 [ 1247.620103][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1247.625139][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1247.630084][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1247.634956][T18985] do_syscall_64+0xb0/0x150 [ 1247.639482][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1247.645368][T18985] [ 1247.647693][T18985] Uninit was stored to memory at: [ 1247.652817][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1247.658541][T18985] __msan_chain_origin+0x50/0x90 [ 1247.663483][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1247.668074][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1247.673013][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1247.677868][T18985] do_syscall_64+0xb0/0x150 [ 1247.682372][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1247.688252][T18985] [ 1247.690570][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1247.697247][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1247.701669][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1247.878359][T18985] not chained 5960000 origins [ 1247.883084][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1247.891780][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1247.901836][T18985] Call Trace: [ 1247.905139][T18985] dump_stack+0x1df/0x240 [ 1247.909480][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1247.915216][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1247.920330][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1247.926223][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1247.931519][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1247.936731][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1247.942550][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1247.948658][T18985] ? kfree+0x61/0x30f0 [ 1247.952740][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1247.957855][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1247.963406][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1247.971307][T18985] ? _copy_from_user+0x15b/0x260 [ 1247.976249][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1247.981363][T18985] __msan_chain_origin+0x50/0x90 [ 1247.986395][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1247.991022][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1247.996311][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1248.001341][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1248.006371][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1248.012276][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1248.017353][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1248.022330][T18985] do_syscall_64+0xb0/0x150 [ 1248.026835][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1248.032727][T18985] RIP: 0033:0x45c1d9 [ 1248.036698][T18985] Code: Bad RIP value. [ 1248.040759][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1248.049312][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1248.057285][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1248.065260][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1248.073240][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1248.081734][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1248.089716][T18985] Uninit was stored to memory at: [ 1248.094746][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1248.100470][T18985] __msan_chain_origin+0x50/0x90 [ 1248.105411][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1248.110007][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1248.114946][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1248.119801][T18985] do_syscall_64+0xb0/0x150 [ 1248.124311][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1248.130453][T18985] [ 1248.132774][T18985] Uninit was stored to memory at: [ 1248.137804][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1248.144659][T18985] __msan_chain_origin+0x50/0x90 [ 1248.149599][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1248.154186][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1248.159215][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1248.164177][T18985] do_syscall_64+0xb0/0x150 [ 1248.170512][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1248.176405][T18985] [ 1248.178760][T18985] Uninit was stored to memory at: [ 1248.183792][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1248.189540][T18985] __msan_chain_origin+0x50/0x90 [ 1248.194482][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1248.199075][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1248.204022][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1248.208876][T18985] do_syscall_64+0xb0/0x150 [ 1248.213381][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1248.219259][T18985] [ 1248.221580][T18985] Uninit was stored to memory at: [ 1248.226617][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1248.232335][T18985] __msan_chain_origin+0x50/0x90 [ 1248.237275][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1248.241877][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1248.246814][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1248.251669][T18985] do_syscall_64+0xb0/0x150 [ 1248.256173][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1248.262054][T18985] [ 1248.264376][T18985] Uninit was stored to memory at: [ 1248.269403][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1248.275125][T18985] __msan_chain_origin+0x50/0x90 [ 1248.280070][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1248.284661][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1248.289597][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1248.294446][T18985] do_syscall_64+0xb0/0x150 [ 1248.298955][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1248.304900][T18985] [ 1248.307224][T18985] Uninit was stored to memory at: [ 1248.312254][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1248.317973][T18985] __msan_chain_origin+0x50/0x90 [ 1248.322915][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1248.327513][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1248.332638][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1248.337487][T18985] do_syscall_64+0xb0/0x150 [ 1248.341993][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1248.347871][T18985] [ 1248.350188][T18985] Uninit was stored to memory at: [ 1248.355214][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1248.360938][T18985] __msan_chain_origin+0x50/0x90 [ 1248.365879][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1248.370476][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1248.375420][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1248.380278][T18985] do_syscall_64+0xb0/0x150 [ 1248.384796][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1248.390679][T18985] [ 1248.392999][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1248.399677][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1248.404094][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1248.577958][T18985] not chained 5970000 origins [ 1248.582688][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1248.591354][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1248.601529][T18985] Call Trace: [ 1248.604832][T18985] dump_stack+0x1df/0x240 [ 1248.609180][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1248.614905][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1248.620045][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1248.625955][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1248.631248][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1248.636451][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1248.642267][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1248.648950][T18985] ? kfree+0x61/0x30f0 [ 1248.653037][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1248.658159][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1248.663711][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1248.669789][T18985] ? _copy_from_user+0x15b/0x260 [ 1248.674743][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1248.679867][T18985] __msan_chain_origin+0x50/0x90 [ 1248.684825][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1248.689455][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1248.694748][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1248.699781][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1248.704813][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1248.710978][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1248.715932][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1248.720793][T18985] do_syscall_64+0xb0/0x150 [ 1248.725490][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1248.731465][T18985] RIP: 0033:0x45c1d9 [ 1248.735350][T18985] Code: Bad RIP value. [ 1248.739413][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1248.747824][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1248.755801][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1248.763805][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1248.771800][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1248.779780][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1248.787792][T18985] Uninit was stored to memory at: [ 1248.792915][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1248.798638][T18985] __msan_chain_origin+0x50/0x90 [ 1248.803576][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1248.808175][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1248.813110][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1248.818095][T18985] do_syscall_64+0xb0/0x150 [ 1248.822628][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1248.828514][T18985] [ 1248.830835][T18985] Uninit was stored to memory at: [ 1248.835862][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1248.841927][T18985] __msan_chain_origin+0x50/0x90 [ 1248.846866][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1248.851549][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1248.856487][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1248.861522][T18985] do_syscall_64+0xb0/0x150 [ 1248.866094][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1248.871986][T18985] [ 1248.874306][T18985] Uninit was stored to memory at: [ 1248.879449][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1248.885345][T18985] __msan_chain_origin+0x50/0x90 [ 1248.890284][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1248.894878][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1248.899818][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1248.904672][T18985] do_syscall_64+0xb0/0x150 [ 1248.909175][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1248.915054][T18985] [ 1248.917380][T18985] Uninit was stored to memory at: [ 1248.922413][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1248.928129][T18985] __msan_chain_origin+0x50/0x90 [ 1248.933064][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1248.937654][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1248.942591][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1248.947444][T18985] do_syscall_64+0xb0/0x150 [ 1248.951944][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1248.957821][T18985] [ 1248.960137][T18985] Uninit was stored to memory at: [ 1248.965163][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1248.970878][T18985] __msan_chain_origin+0x50/0x90 [ 1248.975814][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1248.980413][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1248.985355][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1248.990207][T18985] do_syscall_64+0xb0/0x150 [ 1248.994710][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1249.000604][T18985] [ 1249.002925][T18985] Uninit was stored to memory at: [ 1249.007950][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1249.013665][T18985] __msan_chain_origin+0x50/0x90 [ 1249.018605][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1249.023194][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1249.028131][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1249.032980][T18985] do_syscall_64+0xb0/0x150 [ 1249.037484][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1249.043362][T18985] [ 1249.045684][T18985] Uninit was stored to memory at: [ 1249.052707][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1249.058426][T18985] __msan_chain_origin+0x50/0x90 [ 1249.063646][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1249.068243][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1249.073179][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1249.078407][T18985] do_syscall_64+0xb0/0x150 [ 1249.082922][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1249.088810][T18985] [ 1249.091132][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1249.097813][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1249.102230][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1249.275748][T18985] not chained 5980000 origins [ 1249.280496][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1249.289164][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1249.299225][T18985] Call Trace: [ 1249.302550][T18985] dump_stack+0x1df/0x240 [ 1249.306889][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1249.313298][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1249.318415][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1249.324400][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1249.329699][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1249.334902][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1249.340718][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1249.346788][T18985] ? kfree+0x61/0x30f0 [ 1249.351018][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1249.356147][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1249.361721][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1249.367800][T18985] ? _copy_from_user+0x15b/0x260 [ 1249.372743][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1249.377863][T18985] __msan_chain_origin+0x50/0x90 [ 1249.382907][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1249.387533][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1249.392820][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1249.397850][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1249.402893][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1249.408802][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1249.413756][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1249.418618][T18985] do_syscall_64+0xb0/0x150 [ 1249.423133][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1249.429023][T18985] RIP: 0033:0x45c1d9 [ 1249.432911][T18985] Code: Bad RIP value. [ 1249.436983][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1249.445392][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1249.453370][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1249.461346][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1249.469322][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1249.477300][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1249.485281][T18985] Uninit was stored to memory at: [ 1249.490427][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1249.496232][T18985] __msan_chain_origin+0x50/0x90 [ 1249.501182][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1249.506061][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1249.511091][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1249.515945][T18985] do_syscall_64+0xb0/0x150 [ 1249.520457][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1249.526338][T18985] [ 1249.528661][T18985] Uninit was stored to memory at: [ 1249.533700][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1249.539422][T18985] __msan_chain_origin+0x50/0x90 [ 1249.544373][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1249.548967][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1249.553904][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1249.558757][T18985] do_syscall_64+0xb0/0x150 [ 1249.563353][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1249.569234][T18985] [ 1249.571554][T18985] Uninit was stored to memory at: [ 1249.576579][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1249.582300][T18985] __msan_chain_origin+0x50/0x90 [ 1249.587241][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1249.591832][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1249.596772][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1249.601638][T18985] do_syscall_64+0xb0/0x150 [ 1249.606156][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1249.612050][T18985] [ 1249.614375][T18985] Uninit was stored to memory at: [ 1249.619407][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1249.625137][T18985] __msan_chain_origin+0x50/0x90 [ 1249.630341][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1249.634933][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1249.639878][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1249.644740][T18985] do_syscall_64+0xb0/0x150 [ 1249.649266][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1249.655159][T18985] [ 1249.657490][T18985] Uninit was stored to memory at: [ 1249.662527][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1249.668248][T18985] __msan_chain_origin+0x50/0x90 [ 1249.673188][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1249.677780][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1249.682718][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1249.687571][T18985] do_syscall_64+0xb0/0x150 [ 1249.692077][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1249.697959][T18985] [ 1249.700282][T18985] Uninit was stored to memory at: [ 1249.705312][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1249.711041][T18985] __msan_chain_origin+0x50/0x90 [ 1249.715980][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1249.720576][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1249.725515][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1249.730545][T18985] do_syscall_64+0xb0/0x150 [ 1249.735056][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1249.740937][T18985] [ 1249.743259][T18985] Uninit was stored to memory at: [ 1249.748313][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1249.754030][T18985] __msan_chain_origin+0x50/0x90 [ 1249.758976][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1249.763575][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1249.768518][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1249.773373][T18985] do_syscall_64+0xb0/0x150 [ 1249.778063][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1249.783946][T18985] [ 1249.786267][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1249.792951][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1249.797369][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1249.968401][T18985] not chained 5990000 origins [ 1249.973128][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1249.981804][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1249.991864][T18985] Call Trace: [ 1249.995165][T18985] dump_stack+0x1df/0x240 [ 1249.999515][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1250.005245][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1250.010366][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1250.016270][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1250.021568][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1250.026778][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1250.032591][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1250.038676][T18985] ? kfree+0x61/0x30f0 [ 1250.042751][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1250.048300][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1250.053850][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1250.059925][T18985] ? _copy_from_user+0x15b/0x260 [ 1250.064871][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1250.069997][T18985] __msan_chain_origin+0x50/0x90 [ 1250.074940][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1250.079567][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1250.084862][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1250.089891][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1250.094921][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1250.100914][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1250.105990][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1250.110939][T18985] do_syscall_64+0xb0/0x150 [ 1250.115463][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1250.121360][T18985] RIP: 0033:0x45c1d9 [ 1250.125252][T18985] Code: Bad RIP value. [ 1250.129315][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1250.137730][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1250.146311][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1250.154374][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1250.162366][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1250.170964][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1250.178947][T18985] Uninit was stored to memory at: [ 1250.183988][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1250.189714][T18985] __msan_chain_origin+0x50/0x90 [ 1250.194683][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1250.199280][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1250.204746][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1250.209601][T18985] do_syscall_64+0xb0/0x150 [ 1250.214165][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1250.220046][T18985] [ 1250.222367][T18985] Uninit was stored to memory at: [ 1250.227395][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1250.233120][T18985] __msan_chain_origin+0x50/0x90 [ 1250.238063][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1250.242669][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1250.247609][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1250.252474][T18985] do_syscall_64+0xb0/0x150 [ 1250.256973][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1250.262851][T18985] [ 1250.265171][T18985] Uninit was stored to memory at: [ 1250.270197][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1250.275919][T18985] __msan_chain_origin+0x50/0x90 [ 1250.280876][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1250.285464][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1250.290406][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1250.295258][T18985] do_syscall_64+0xb0/0x150 [ 1250.299765][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1250.305646][T18985] [ 1250.307976][T18985] Uninit was stored to memory at: [ 1250.313008][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1250.318744][T18985] __msan_chain_origin+0x50/0x90 [ 1250.323695][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1250.328287][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1250.333223][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1250.338077][T18985] do_syscall_64+0xb0/0x150 [ 1250.342583][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1250.348467][T18985] [ 1250.350854][T18985] Uninit was stored to memory at: [ 1250.355994][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1250.361726][T18985] __msan_chain_origin+0x50/0x90 [ 1250.367284][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1250.371902][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1250.376843][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1250.381700][T18985] do_syscall_64+0xb0/0x150 [ 1250.386218][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1250.392109][T18985] [ 1250.394430][T18985] Uninit was stored to memory at: [ 1250.399547][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1250.405271][T18985] __msan_chain_origin+0x50/0x90 [ 1250.410218][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1250.414806][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1250.419754][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1250.424697][T18985] do_syscall_64+0xb0/0x150 [ 1250.429214][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1250.435112][T18985] [ 1250.437438][T18985] Uninit was stored to memory at: [ 1250.442469][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1250.448189][T18985] __msan_chain_origin+0x50/0x90 [ 1250.453130][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1250.457722][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1250.462671][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1250.467530][T18985] do_syscall_64+0xb0/0x150 [ 1250.472036][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1250.477918][T18985] [ 1250.480241][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1250.486914][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1250.491333][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1250.663300][T18985] not chained 6000000 origins [ 1250.668029][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1250.676877][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1250.686931][T18985] Call Trace: [ 1250.690242][T18985] dump_stack+0x1df/0x240 [ 1250.694670][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1250.700402][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1250.705519][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1250.711448][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1250.716740][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1250.721944][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1250.727759][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1250.733829][T18985] ? kfree+0x61/0x30f0 [ 1250.737900][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1250.743039][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1250.748592][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1250.754670][T18985] ? _copy_from_user+0x15b/0x260 [ 1250.759613][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1250.764736][T18985] __msan_chain_origin+0x50/0x90 [ 1250.769686][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1250.774313][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1250.779858][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1250.785158][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1250.790370][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1250.796281][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1250.801416][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1250.806273][T18985] do_syscall_64+0xb0/0x150 [ 1250.810788][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1250.816682][T18985] RIP: 0033:0x45c1d9 [ 1250.820668][T18985] Code: Bad RIP value. [ 1250.825424][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1250.833833][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1250.842101][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1250.850076][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1250.858088][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1250.866148][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1250.874130][T18985] Uninit was stored to memory at: [ 1250.879164][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1250.884895][T18985] __msan_chain_origin+0x50/0x90 [ 1250.889836][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1250.894426][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1250.899368][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1250.904238][T18985] do_syscall_64+0xb0/0x150 [ 1250.908746][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1250.914626][T18985] [ 1250.916952][T18985] Uninit was stored to memory at: [ 1250.921986][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1250.927724][T18985] __msan_chain_origin+0x50/0x90 [ 1250.933355][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1250.937946][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1250.942887][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1250.947745][T18985] do_syscall_64+0xb0/0x150 [ 1250.952336][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1250.958234][T18985] [ 1250.960553][T18985] Uninit was stored to memory at: [ 1250.965574][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1250.971294][T18985] __msan_chain_origin+0x50/0x90 [ 1250.976245][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1250.980866][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1250.985823][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1250.990684][T18985] do_syscall_64+0xb0/0x150 [ 1250.995189][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1251.001072][T18985] [ 1251.003392][T18985] Uninit was stored to memory at: [ 1251.008429][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1251.014244][T18985] __msan_chain_origin+0x50/0x90 [ 1251.019187][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1251.023783][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1251.028720][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1251.033570][T18985] do_syscall_64+0xb0/0x150 [ 1251.038077][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1251.043959][T18985] [ 1251.046313][T18985] Uninit was stored to memory at: [ 1251.051427][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1251.057148][T18985] __msan_chain_origin+0x50/0x90 [ 1251.062100][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1251.066691][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1251.071638][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1251.076491][T18985] do_syscall_64+0xb0/0x150 [ 1251.081012][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1251.086918][T18985] [ 1251.089237][T18985] Uninit was stored to memory at: [ 1251.094265][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1251.099989][T18985] __msan_chain_origin+0x50/0x90 [ 1251.104941][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1251.109620][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1251.114561][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1251.119415][T18985] do_syscall_64+0xb0/0x150 [ 1251.123925][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1251.129808][T18985] [ 1251.132136][T18985] Uninit was stored to memory at: [ 1251.137163][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1251.142891][T18985] __msan_chain_origin+0x50/0x90 [ 1251.147914][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1251.152502][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1251.157436][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1251.162293][T18985] do_syscall_64+0xb0/0x150 [ 1251.166802][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1251.172773][T18985] [ 1251.175096][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1251.181776][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1251.186191][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1251.353996][T18985] not chained 6010000 origins [ 1251.358719][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1251.367559][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1251.377615][T18985] Call Trace: [ 1251.380914][T18985] dump_stack+0x1df/0x240 [ 1251.385255][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1251.391064][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1251.396261][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1251.402156][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1251.407445][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1251.412650][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1251.418504][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1251.424570][T18985] ? kfree+0x61/0x30f0 [ 1251.428645][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1251.433764][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1251.439331][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1251.445750][T18985] ? _copy_from_user+0x15b/0x260 [ 1251.450691][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1251.455803][T18985] __msan_chain_origin+0x50/0x90 [ 1251.460749][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1251.465462][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1251.470757][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1251.475779][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1251.480810][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1251.486712][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1251.492272][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1251.497124][T18985] do_syscall_64+0xb0/0x150 [ 1251.501630][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1251.507529][T18985] RIP: 0033:0x45c1d9 [ 1251.511427][T18985] Code: Bad RIP value. [ 1251.515485][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1251.523898][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1251.531874][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1251.539853][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1251.547919][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1251.555892][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1251.563875][T18985] Uninit was stored to memory at: [ 1251.568909][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1251.574628][T18985] __msan_chain_origin+0x50/0x90 [ 1251.579576][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1251.584170][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1251.589111][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1251.593966][T18985] do_syscall_64+0xb0/0x150 [ 1251.598661][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1251.604549][T18985] [ 1251.606879][T18985] Uninit was stored to memory at: [ 1251.611925][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1251.617658][T18985] __msan_chain_origin+0x50/0x90 [ 1251.622596][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1251.627216][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1251.632151][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1251.637002][T18985] do_syscall_64+0xb0/0x150 [ 1251.641514][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1251.647552][T18985] [ 1251.649874][T18985] Uninit was stored to memory at: [ 1251.654906][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1251.660634][T18985] __msan_chain_origin+0x50/0x90 [ 1251.665583][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1251.670175][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1251.675113][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1251.680835][T18985] do_syscall_64+0xb0/0x150 [ 1251.685343][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1251.691225][T18985] [ 1251.693550][T18985] Uninit was stored to memory at: [ 1251.698635][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1251.704359][T18985] __msan_chain_origin+0x50/0x90 [ 1251.709300][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1251.713891][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1251.718832][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1251.723686][T18985] do_syscall_64+0xb0/0x150 [ 1251.728192][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1251.734069][T18985] [ 1251.736401][T18985] Uninit was stored to memory at: [ 1251.741431][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1251.747155][T18985] __msan_chain_origin+0x50/0x90 [ 1251.752094][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1251.756679][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1251.761618][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1251.766479][T18985] do_syscall_64+0xb0/0x150 [ 1251.771075][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1251.776952][T18985] [ 1251.779269][T18985] Uninit was stored to memory at: [ 1251.784907][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1251.790658][T18985] __msan_chain_origin+0x50/0x90 [ 1251.795772][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1251.800373][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1251.805334][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1251.810348][T18985] do_syscall_64+0xb0/0x150 [ 1251.814862][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1251.820753][T18985] [ 1251.823084][T18985] Uninit was stored to memory at: [ 1251.828112][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1251.833834][T18985] __msan_chain_origin+0x50/0x90 [ 1251.838775][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1251.843369][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1251.848308][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1251.853263][T18985] do_syscall_64+0xb0/0x150 [ 1251.857772][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1251.863657][T18985] [ 1251.865981][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1251.872691][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1251.877107][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1252.041459][T18985] not chained 6020000 origins [ 1252.046184][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1252.055042][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1252.065101][T18985] Call Trace: [ 1252.068404][T18985] dump_stack+0x1df/0x240 [ 1252.072744][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1252.078556][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1252.083673][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1252.089573][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1252.094870][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1252.100162][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1252.105978][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1252.112052][T18985] ? kfree+0x61/0x30f0 [ 1252.116126][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1252.121240][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1252.126791][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1252.132863][T18985] ? _copy_from_user+0x15b/0x260 [ 1252.137807][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1252.143098][T18985] __msan_chain_origin+0x50/0x90 [ 1252.148052][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1252.152678][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1252.157973][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1252.163257][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1252.168293][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1252.174196][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1252.179156][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1252.184013][T18985] do_syscall_64+0xb0/0x150 [ 1252.188529][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1252.194420][T18985] RIP: 0033:0x45c1d9 [ 1252.198304][T18985] Code: Bad RIP value. [ 1252.202448][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1252.210863][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1252.219102][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1252.229160][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1252.237134][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1252.245126][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1252.253111][T18985] Uninit was stored to memory at: [ 1252.258144][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1252.263865][T18985] __msan_chain_origin+0x50/0x90 [ 1252.268813][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1252.273403][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1252.278435][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1252.283290][T18985] do_syscall_64+0xb0/0x150 [ 1252.287804][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1252.293687][T18985] [ 1252.296024][T18985] Uninit was stored to memory at: [ 1252.301057][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1252.306865][T18985] __msan_chain_origin+0x50/0x90 [ 1252.311807][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1252.316394][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1252.321338][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1252.326191][T18985] do_syscall_64+0xb0/0x150 [ 1252.330699][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1252.336587][T18985] [ 1252.338908][T18985] Uninit was stored to memory at: [ 1252.343973][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1252.349727][T18985] __msan_chain_origin+0x50/0x90 [ 1252.354677][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1252.359287][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1252.364233][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1252.369115][T18985] do_syscall_64+0xb0/0x150 [ 1252.373999][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1252.379878][T18985] [ 1252.382205][T18985] Uninit was stored to memory at: [ 1252.387234][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1252.392950][T18985] __msan_chain_origin+0x50/0x90 [ 1252.397904][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1252.402496][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1252.407435][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1252.412387][T18985] do_syscall_64+0xb0/0x150 [ 1252.416892][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1252.422887][T18985] [ 1252.425211][T18985] Uninit was stored to memory at: [ 1252.430245][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1252.435962][T18985] __msan_chain_origin+0x50/0x90 [ 1252.440904][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1252.445708][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1252.450735][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1252.455588][T18985] do_syscall_64+0xb0/0x150 [ 1252.460099][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1252.465988][T18985] [ 1252.468336][T18985] Uninit was stored to memory at: [ 1252.473370][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1252.479357][T18985] __msan_chain_origin+0x50/0x90 [ 1252.484388][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1252.488980][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1252.493918][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1252.499326][T18985] do_syscall_64+0xb0/0x150 [ 1252.503847][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1252.511033][T18985] [ 1252.513353][T18985] Uninit was stored to memory at: [ 1252.518382][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1252.524109][T18985] __msan_chain_origin+0x50/0x90 [ 1252.529225][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1252.533815][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1252.538845][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1252.544049][T18985] do_syscall_64+0xb0/0x150 [ 1252.548563][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1252.554797][T18985] [ 1252.557122][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1252.563806][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1252.568325][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1252.732918][T18985] not chained 6030000 origins [ 1252.737642][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1252.746313][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1252.756455][T18985] Call Trace: [ 1252.759889][T18985] dump_stack+0x1df/0x240 [ 1252.764232][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1252.769958][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1252.775072][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1252.780972][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1252.786283][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1252.791497][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1252.797311][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1252.803388][T18985] ? kfree+0x61/0x30f0 [ 1252.807466][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1252.812581][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1252.818134][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1252.824211][T18985] ? _copy_from_user+0x15b/0x260 [ 1252.829164][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1252.834287][T18985] __msan_chain_origin+0x50/0x90 [ 1252.839237][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1252.843863][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1252.849157][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1252.854184][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1252.859332][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1252.865241][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1252.870195][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1252.875053][T18985] do_syscall_64+0xb0/0x150 [ 1252.879568][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1252.885466][T18985] RIP: 0033:0x45c1d9 [ 1252.889360][T18985] Code: Bad RIP value. [ 1252.893690][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1252.902718][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1252.910694][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1252.918669][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1252.926732][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1252.934703][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1252.942711][T18985] Uninit was stored to memory at: [ 1252.947756][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1252.953480][T18985] __msan_chain_origin+0x50/0x90 [ 1252.958420][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1252.963012][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1252.967957][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1252.972808][T18985] do_syscall_64+0xb0/0x150 [ 1252.977312][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1252.983195][T18985] [ 1252.985516][T18985] Uninit was stored to memory at: [ 1252.990544][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1252.996260][T18985] __msan_chain_origin+0x50/0x90 [ 1253.001202][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1253.005804][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1253.010750][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1253.015608][T18985] do_syscall_64+0xb0/0x150 [ 1253.020646][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1253.026524][T18985] [ 1253.028844][T18985] Uninit was stored to memory at: [ 1253.034044][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1253.039769][T18985] __msan_chain_origin+0x50/0x90 [ 1253.044711][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1253.049306][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1253.054240][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1253.059101][T18985] do_syscall_64+0xb0/0x150 [ 1253.063613][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1253.069585][T18985] [ 1253.071906][T18985] Uninit was stored to memory at: [ 1253.076960][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1253.082784][T18985] __msan_chain_origin+0x50/0x90 [ 1253.087722][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1253.092313][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1253.097257][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1253.102110][T18985] do_syscall_64+0xb0/0x150 [ 1253.106647][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1253.112801][T18985] [ 1253.115119][T18985] Uninit was stored to memory at: [ 1253.120149][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1253.125868][T18985] __msan_chain_origin+0x50/0x90 [ 1253.130808][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1253.135397][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1253.140336][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1253.145189][T18985] do_syscall_64+0xb0/0x150 [ 1253.149693][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1253.155571][T18985] [ 1253.157891][T18985] Uninit was stored to memory at: [ 1253.162921][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1253.168696][T18985] __msan_chain_origin+0x50/0x90 [ 1253.173635][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1253.178237][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1253.183181][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1253.188040][T18985] do_syscall_64+0xb0/0x150 [ 1253.192541][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1253.198418][T18985] [ 1253.200738][T18985] Uninit was stored to memory at: [ 1253.205766][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1253.211482][T18985] __msan_chain_origin+0x50/0x90 [ 1253.216421][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1253.221030][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1253.225967][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1253.230817][T18985] do_syscall_64+0xb0/0x150 [ 1253.235318][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1253.241227][T18985] [ 1253.243564][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1253.250279][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1253.254708][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1253.416836][T18985] not chained 6040000 origins [ 1253.421574][T18985] CPU: 1 PID: 18985 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1253.430240][T18985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1253.440299][T18985] Call Trace: [ 1253.443596][T18985] dump_stack+0x1df/0x240 [ 1253.447938][T18985] kmsan_internal_chain_origin+0x6f/0x130 [ 1253.453661][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1253.458774][T18985] ? kmsan_internal_check_memory+0xb1/0x3d0 [ 1253.464676][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1253.469967][T18985] ? kmsan_get_metadata+0x11d/0x180 [ 1253.475168][T18985] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1253.480986][T18985] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1253.487161][T18985] ? kfree+0x61/0x30f0 [ 1253.491236][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1253.496346][T18985] ? kmsan_set_origin_checked+0x95/0xf0 [ 1253.501901][T18985] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1253.507978][T18985] ? _copy_from_user+0x15b/0x260 [ 1253.512919][T18985] ? kmsan_get_metadata+0x4f/0x180 [ 1253.518033][T18985] __msan_chain_origin+0x50/0x90 [ 1253.522978][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1253.527696][T18985] ? __msan_poison_alloca+0xf0/0x120 [ 1253.532984][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1253.538006][T18985] ? __se_sys_recvmmsg+0xac/0x350 [ 1253.543032][T18985] ? __prepare_exit_to_usermode+0x16c/0x4d0 [ 1253.548960][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1253.553908][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1253.558767][T18985] do_syscall_64+0xb0/0x150 [ 1253.563286][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1253.569169][T18985] RIP: 0033:0x45c1d9 [ 1253.573052][T18985] Code: Bad RIP value. [ 1253.577109][T18985] RSP: 002b:00007f23ebbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 1253.585518][T18985] RAX: ffffffffffffffda RBX: 0000000000024b40 RCX: 000000000045c1d9 [ 1253.593576][T18985] RDX: 03ffffffffffff81 RSI: 0000000020000780 RDI: 0000000000000003 [ 1253.601547][T18985] RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000 [ 1253.609524][T18985] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000078bfac [ 1253.617518][T18985] R13: 0000000000c9fb6f R14: 00007f23ebbb09c0 R15: 000000000078bfac [ 1253.625502][T18985] Uninit was stored to memory at: [ 1253.630543][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1253.636259][T18985] __msan_chain_origin+0x50/0x90 [ 1253.641200][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1253.645791][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1253.650730][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1253.655585][T18985] do_syscall_64+0xb0/0x150 [ 1253.660095][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1253.665973][T18985] [ 1253.668294][T18985] Uninit was stored to memory at: [ 1253.673318][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1253.679041][T18985] __msan_chain_origin+0x50/0x90 [ 1253.683978][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1253.688567][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1253.693508][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1253.698359][T18985] do_syscall_64+0xb0/0x150 [ 1253.702862][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1253.708740][T18985] [ 1253.711080][T18985] Uninit was stored to memory at: [ 1253.716106][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1253.721843][T18985] __msan_chain_origin+0x50/0x90 [ 1253.726782][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1253.731375][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1253.736320][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1253.741182][T18985] do_syscall_64+0xb0/0x150 [ 1253.745777][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1253.751659][T18985] [ 1253.753978][T18985] Uninit was stored to memory at: [ 1253.759006][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1253.764728][T18985] __msan_chain_origin+0x50/0x90 [ 1253.769677][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1253.774279][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1253.779318][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1253.784178][T18985] do_syscall_64+0xb0/0x150 [ 1253.788840][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1253.794724][T18985] [ 1253.797057][T18985] Uninit was stored to memory at: [ 1253.802100][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1253.807906][T18985] __msan_chain_origin+0x50/0x90 [ 1253.812848][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1253.817437][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1253.822385][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1253.827242][T18985] do_syscall_64+0xb0/0x150 [ 1253.831834][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1253.837709][T18985] [ 1253.840038][T18985] Uninit was stored to memory at: [ 1253.845846][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1253.851565][T18985] __msan_chain_origin+0x50/0x90 [ 1253.856504][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1253.862164][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1253.867110][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1253.871968][T18985] do_syscall_64+0xb0/0x150 [ 1253.876471][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1253.882358][T18985] [ 1253.884690][T18985] Uninit was stored to memory at: [ 1253.889749][T18985] kmsan_internal_chain_origin+0xad/0x130 [ 1253.895509][T18985] __msan_chain_origin+0x50/0x90 [ 1253.900456][T18985] do_recvmmsg+0x105a/0x1ee0 [ 1253.905060][T18985] __se_sys_recvmmsg+0x1d1/0x350 [ 1253.910239][T18985] __x64_sys_recvmmsg+0x62/0x80 [ 1253.915092][T18985] do_syscall_64+0xb0/0x150 [ 1253.919603][T18985] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1253.925487][T18985] [ 1253.927812][T18985] Local variable ----msg_sys@do_recvmmsg created at: [ 1253.934922][T18985] do_recvmmsg+0xc5/0x1ee0 [ 1253.939796][T18985] do_recvmmsg+0xc5/0x1ee0 15:37:03 executing program 3: prlimit64(0x0, 0xe, &(0x7f00000001c0)={0x9, 0x400000008d}, 0x0) getpid() r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0) r1 = socket(0x10, 0x80002, 0x0) bind$netlink(r1, &(0x7f0000177ff4)={0x10, 0x0, 0x1}, 0xc) write(r1, &(0x7f0000000140)="2600000022004701050000000000000005006d20002b1f000a4a51f1ee839cd53400b017ca5b", 0x26) connect$netlink(r1, &(0x7f00000014c0)=@proc={0x10, 0x0, 0x1}, 0xc) setsockopt$sock_int(r1, 0x1, 0x8, &(0x7f0000b4bffc), 0xfd49) sendto(r1, 0x0, 0x0, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000000780), 0x3ffffffffffff81, 0x2, 0x0) 15:37:03 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB="02070000220000000000000000000000020013001500000026bd70000000"], 0x110}}, 0x0) 15:37:03 executing program 5: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f0000001840)={0x26, 'hash\x00', 0x0, 0x0, 'tgr192\x00'}, 0x58) r3 = accept4(r2, 0x0, 0x0, 0x0) r4 = accept4(r3, 0x0, 0x0, 0x0) r5 = syz_open_procfs(0x0, &(0x7f0000000000)='net/ipv6_route\x00') sendfile(r4, r5, 0x0, 0x7e00) 15:37:03 executing program 0: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x202, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x0, 0x0}}, 0x20) ioctl$SNDCTL_DSP_SYNC(r0, 0x5001, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000001980)=@newtfilter={0x50, 0x28, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, {0x2}}, [@filter_kind_options=@f_cgroup={{0xb, 0x1, 'cgroup\x00'}, {0x20, 0x2, [@TCA_CGROUP_ACT={0x1c, 0x1, [@m_pedit={0x18, 0x0, 0x0, 0x0, {{0xa, 0x1, 'pedit\x00'}, {0x4}, {0x4}}}]}]}}]}, 0x50}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000680)=@newtfilter={0x24, 0x2a, 0xd27}, 0x24}}, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="4800000010000507000000000000c40000000000", @ANYRES32=r5, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000000000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000001980)=@newtfilter={0x50, 0x28, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r5, {0x2}}, [@filter_kind_options=@f_cgroup={{0xb, 0x1, 'cgroup\x00'}, {0x20, 0x2, [@TCA_CGROUP_ACT={0x1c, 0x1, [@m_pedit={0x18, 0x0, 0x0, 0x0, {{0xa, 0x1, 'pedit\x00'}, {0x4}, {0x4}}}]}]}}]}, 0x50}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000680)=@newtfilter={0x24, 0x2a, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r5}}, 0x24}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000001100)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000010c0)={&(0x7f0000000140)=@newtaction={0xf6c, 0x30, 0x1, 0x70bd27, 0x25dfdbff, {}, [{0x1ec, 0x1, [@m_bpf={0x100, 0x13, 0x0, 0x0, {{0x8, 0x1, 'bpf\x00'}, {0x1c, 0x2, 0x0, 0x1, [@TCA_ACT_BPF_PARMS={0x18, 0x2, {0x9, 0x17d8, 0x3, 0x8000, 0x6}}]}, {0xbe, 0x6, "6d42e67ec2281469bf7a07fc07c9655b7f26c251a91b0e5ea6a954555078e7c57853b843312b91271b7e92a4c6b57694e80675b8953e7b86a3a3bc13cd36b1541e33dadbdce53ffd0609f8f1b578f7f9c8689f431c01e4787ecde44d9ff6692da3831d0a04f45f2b714417b76589d5f0701eb6d6a2bead1b8f2e3a32cc22229139b8aea558f5041460616d82dca0d8d40ace0a8a30e5916deea510c418150ca249b737127787d5c9b772102dbd78322537ffcf3e0e0761677c4b"}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x0, 0x2}}}}, @m_mpls={0xe8, 0xa, 0x0, 0x0, {{0x9, 0x1, 'mpls\x00'}, {0xc, 0x2, 0x0, 0x1, [@TCA_MPLS_BOS={0x5, 0x8, 0x1}]}, {0xb1, 0x6, "0fa1eef850ecd693a361926c789234a00aa450a775acacbc547d6915d50683e322780a51161f75c7b7261bdf2b8faaf730276b2c3f911c7a8661ee20eb2bb3c0dfe1d3b888c12eb2de6b9ac1f32a9a9c966d124a46ce5c49a761a24866bf8366a2fe2e56d8ea508220e4ea8ef8e76e70392bc559fd9aee666d9f4189d1f7bc6520143c71aa471978edc816eef730c67b5676b2d1b0ad86b3a8b75c740edc6f15d48fc826d2a03c49e6b3f5cf82"}, {0xc}, {0xc, 0x8, {0x2, 0x1}}}}]}, {0x51c, 0x1, [@m_vlan={0x3c, 0x4, 0x0, 0x0, {{0x9, 0x1, 'vlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@TCA_VLAN_PUSH_VLAN_PROTOCOL={0x6, 0x4, 0x9a8}]}, {0x5, 0x6, "e9"}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x2}}}}, @m_mirred={0xf4, 0x6, 0x0, 0x0, {{0xb, 0x1, 'mirred\x00'}, {0x44, 0x2, 0x0, 0x1, [@TCA_MIRRED_PARMS={0x20, 0x2, {{0xfffffff7, 0x8, 0x7, 0x1ff, 0xf39}, 0x1}}, @TCA_MIRRED_PARMS={0x20, 0x2, {{0x1000, 0x7fffffff, 0x8, 0x10000, 0xaf86}, 0x4, r5}}]}, {0x86, 0x6, "9b844ab3230bc1ded0179d00702969aaf1b50e98bae31b7c4bc0ee551075c7bdc55b8bd7200a62a83f797b9f58a682f71466106c615bdfe482bf0ca2be50a215184574d7aa0409ad61695eda584601ca8fd3093b11375ddfaae4152bd07c4f99527accbdf26c968038bcafc9013b18df46036b0909e1dba4af2548cbe32084d88f61"}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x1, 0x1}}}}, @m_simple={0x90, 0x1, 0x0, 0x0, {{0xb, 0x1, 'simple\x00'}, {0x4}, {0x63, 0x6, "3da0c0b1ce29209c8912f740fa302536f03e388567925b735d37f0f53c66ec43b9b92b3b5586327794f0133fe2c82c3ea71f1f4b2562f714acace531fef13a6150b87235d50245f6afd327157fc9966b0ded51a93431305f39cdd7c6073b61"}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x2, 0x2}}}}, @m_csum={0x13c, 0xb, 0x0, 0x0, {{0x9, 0x1, 'csum\x00'}, {0x58, 0x2, 0x0, 0x1, [@TCA_CSUM_PARMS={0x1c, 0x1, {{0x400, 0xff, 0x4, 0x8e}, 0x2}}, @TCA_CSUM_PARMS={0x1c, 0x1, {{0x0, 0x9, 0x1, 0x3, 0x7fff}, 0x54}}, @TCA_CSUM_PARMS={0x1c, 0x1, {{0x0, 0x3f, 0x2, 0x9, 0x80}, 0x29}}]}, {0xb9, 0x6, "b31d519493eb9eedaaecfc02ef8c2c40680af436bc5f662f9c103b34b93f22f7a9ee60152c56ffbf6570150347426a4d655bafea951d4486b365e12399626688121ee4b3b153470e5fa4f66d649655e8b6988d48aa30943474fa78e428d1e2996cb96731a5299f91fd5c44e2bddad8703c0e1b49caa4d426a7c2058f940b90f2726dd4aa6735cda1be41f2e08f081bcfda9567daa55bd55146623a2c1ec5013491258b75b4d512df575185e907329687951f1149bf"}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x3, 0x2}}}}, @m_tunnel_key={0xfc, 0xe, 0x0, 0x0, {{0xf, 0x1, 'tunnel_key\x00'}, {0x40, 0x2, 0x0, 0x1, [@TCA_TUNNEL_KEY_ENC_DST_PORT={0x6, 0x9, 0x4e22}, @TCA_TUNNEL_KEY_ENC_IPV4_DST={0x8, 0x4, @broadcast}, @TCA_TUNNEL_KEY_PARMS={0x1c, 0x2, {{0x3f, 0x6, 0x7, 0x3ff, 0x8}, 0x1}}, @TCA_TUNNEL_KEY_ENC_DST_PORT={0x6, 0x9, 0x4e22}, @TCA_TUNNEL_KEY_ENC_KEY_ID={0x8, 0x7, 0x9f4}]}, {0x8d, 0x6, "eda72194625110308513137a0bb737e6cf510e62999ce298ca9d0b6060ce6cca7b7dc4bb8c60e42bdb5eb32d5a4d8a95648d3793f47114ba29b352f27f237fb0a82bd64fd6813c95c94a4f364cce74fe1085309018e060ee41e41a3e08866281138c2f610c49dd603e06f1ff2f7b877a98d8979636a1ffd47001210af7e3644da1f57e6c7ded44a32f"}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x2, 0x2}}}}, @m_ct={0x120, 0xc, 0x0, 0x0, {{0x7, 0x1, 'ct\x00'}, {0x40, 0x2, 0x0, 0x1, [@TCA_CT_LABELS_MASK={0x14, 0x8, "23a7b803c9e1c2467b50b0835f8e99ca"}, @TCA_CT_LABELS_MASK={0x14, 0x8, "29f71a85b33c03181fcdf54a5f848bbc"}, @TCA_CT_LABELS={0x14, 0x7, "a8cfc74c85e9ff04ae8a63c0f616d9ed"}]}, {0xb9, 0x6, "712bb111deb123fd76ceaa23933bddf921f224a2f92c73f028c0147e20015e661bb265785ce61b688af4966541c152c3f3663004ac497469d6499b6e8395ddfe2a95b446973fdc0cb59d9ba87d5f942ecab6447dc28388a34ba350266b153267d43dc0b0404ac4d45bdab5c708cf24c96ccb0a311ae4fc41e3bb77b14a96f2cb940f6ada31276009f6a99f04dbacc07b2621fb769f6fab2c3a8212f1bf2516872b8374a7aa5b35e25d56b25d8dfc3f7f7013865bfc"}, {0xc, 0x7, {0x0, 0xd1545138811c7093}}, {0xc, 0x8, {0x1, 0x3}}}}]}, {0x288, 0x1, [@m_skbedit={0xfc, 0x1, 0x0, 0x0, {{0xc, 0x1, 'skbedit\x00'}, {0x24, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_PARMS={0x18, 0x2, {0x1, 0x4fe500, 0x3, 0x0, 0x40}}, @TCA_SKBEDIT_QUEUE_MAPPING={0x6, 0x4, 0x4}]}, {0xae, 0x6, "5d76a31aae44aa510c81d080cbc08246cb654cc842682f895ee83ad9cc1422eb460d967b02db3f00f0fdfe45f35db3614e2dd0d1a6f7703cfe938de7c5761d53f087c054d38f4db0a391635326168c219403ac71bcf1e693f723609ea5dc1ba87802b627405d6d5c5b5d603d1fec44984f3362def662f2c1c91a6a91a66ffb71b03f43771303ec32f10c3e015b64e054c66a42097572d3b145e837cd5208e96127e28dd23ad726d5d615"}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x3, 0x2}}}}, @m_simple={0x88, 0x1d, 0x0, 0x0, {{0xb, 0x1, 'simple\x00'}, {0x34, 0x2, 0x0, 0x1, [@TCA_DEF_PARMS={0x18, 0x2, {0x8, 0x80000000, 0xffffffffffffffff, 0x7, 0x2}}, @TCA_DEF_DATA={0x8, 0x3, '+}}\x00'}, @TCA_DEF_DATA={0xd, 0x3, '/dev/dsp\x00'}]}, {0x2b, 0x6, "61dfff7b753b773578eb057ffd865fea334212a2ecbb450a99ed8d57eb639316d5e301ecdb44ae"}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x3, 0x2}}}}, @m_skbedit={0x100, 0x1d, 0x0, 0x0, {{0xc, 0x1, 'skbedit\x00'}, {0x34, 0x2, 0x0, 0x1, [@TCA_SKBEDIT_QUEUE_MAPPING={0x6, 0x4, 0x7dd7}, @TCA_SKBEDIT_PTYPE={0x6}, @TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x3}, @TCA_SKBEDIT_PRIORITY={0x8, 0x3, {0x2, 0xfff2}}, @TCA_SKBEDIT_PRIORITY={0x8, 0x3, {0x8, 0x5}}, @TCA_SKBEDIT_PTYPE={0x6, 0x7, 0x3}]}, {0xa1, 0x6, "cdbdbc019755da09fbef42a21fd9d06a2caf4b2dfae20bdfb1a4325f19c58d319e2dd6d2a96a3a6efb0c79e00b26006d0014d8028e9290ecd832a1b64e351745033073ad5b6986cb58f46f88eebe5839dbef528feffa2a633f4db8c517ce6493239ef8dcd4de25c014d19b23693ffe3cac5bf22974733918cd98622aa49f5fd850ccca3296b29476531526dfa1f1b26e60a3a1d99d2681f2b3be2eb074"}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x3, 0x1}}}}]}, {0x2a8, 0x1, [@m_skbmod={0xcc, 0x1a, 0x0, 0x0, {{0xb, 0x1, 'skbmod\x00'}, {0x8c, 0x2, 0x0, 0x1, [@TCA_SKBMOD_SMAC={0xa}, @TCA_SKBMOD_PARMS={0x24, 0x2, {{0x3, 0x517866a4, 0x1, 0x2, 0x101}, 0x8}}, @TCA_SKBMOD_ETYPE={0x6, 0x5, 0x2}, @TCA_SKBMOD_ETYPE={0x6, 0x5, 0x7f}, @TCA_SKBMOD_DMAC={0xa, 0x3, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, @TCA_SKBMOD_SMAC={0xa, 0x4, @random="3fc514037be3"}, @TCA_SKBMOD_DMAC={0xa, 0x3, @link_local}, @TCA_SKBMOD_PARMS={0x24, 0x2, {{0x3, 0x514, 0x20000000, 0x0, 0x7}, 0xf}}]}, {0x16, 0x6, "017f9541aca02f09173d74eec6a14d728450"}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x2}}}}, @m_nat={0xe8, 0x7, 0x0, 0x0, {{0x8, 0x1, 'nat\x00'}, {0xa4, 0x2, 0x0, 0x1, [@TCA_NAT_PARMS={0x28, 0x1, {{0xffff, 0xffffffff, 0x2, 0x5, 0x8}, @loopback, @multicast1, 0xff}}, @TCA_NAT_PARMS={0x28, 0x1, {{0x3, 0x100, 0x7, 0x8, 0x5}, @broadcast, @remote, 0xffffff00}}, @TCA_NAT_PARMS={0x28, 0x1, {{0x100, 0x2, 0x0, 0x5, 0x151f}, @empty, @remote, 0xff000000}}, @TCA_NAT_PARMS={0x28, 0x1, {{0x1f, 0x3eb, 0x10000000, 0x7fffffff, 0x10000}, @private=0xa010102, @loopback, 0xffffffff, 0x1}}]}, {0x1d, 0x6, "a7808fc99c48053f3006419d956973a647786563313984808f"}, {0xc, 0x7, {0x1, 0x1}}, {0xc, 0x8, {0x3, 0x2}}}}, @m_ctinfo={0xf0, 0x1c, 0x0, 0x0, {{0xb, 0x1, 'ctinfo\x00'}, {0x44, 0x2, 0x0, 0x1, [@TCA_CTINFO_PARMS_DSCP_STATEMASK={0x8, 0x6, 0x7}, @TCA_CTINFO_PARMS_DSCP_STATEMASK={0x8, 0x6, 0x4578}, @TCA_CTINFO_PARMS_DSCP_MASK={0x8, 0x5, 0x3}, @TCA_CTINFO_PARMS_DSCP_MASK={0x8, 0x5, 0x9e4}, @TCA_CTINFO_ACT={0x18, 0x3, {0x40, 0x3, 0x10000002, 0x0, 0x2}}, @TCA_CTINFO_PARMS_DSCP_MASK={0x8, 0x5, 0x101}]}, {0x81, 0x6, "23e4f28d2fdc3b911b61903c4f31bbdb591a1751ff395847a50c2a46d8182ebaf172d4a0f31b1e615299e6e42d1863b1afe3f3fb0b2e7e59dfb6c93cae3a51fb3f4399f38639dc05a604215ccb6972d49eb17f28463f44c274071f24775fe1bd1eb03ef780815441edfd91e145f648f9eeb10cb1dfdbad44fd0ac21186"}, {0xc}, {0xc, 0x8, {0x1, 0x1}}}}]}, {0x320, 0x1, [@m_ife={0x70, 0x18, 0x0, 0x0, {{0x8, 0x1, 'ife\x00'}, {0x1c, 0x2, 0x0, 0x1, [@TCA_IFE_METALST={0x18, 0x6, [@IFE_META_TCINDEX={0x4, 0x5, @void}, @IFE_META_SKBMARK={0x4, 0x1, @void}, @IFE_META_PRIO={0x4, 0x3, @void}, @IFE_META_TCINDEX={0x4, 0x5, @void}, @IFE_META_SKBMARK={0x4, 0x1, @void}]}]}, {0x2d, 0x6, "a81f99e34d9ae3fa04f8563b94771c18132da7ce3eb3061f2a4daf4b21bb1a46a27d81d71d88a82b32"}, {0xc, 0x7, {0x1}}, {0xc, 0x8, {0x1}}}}, @m_gact={0x158, 0x6, 0x0, 0x0, {{0x9, 0x1, 'gact\x00'}, {0xc4, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x6, 0xb7, 0x8, 0x9, 0x3f}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x505, 0x3}}, @TCA_GACT_PARMS={0x18, 0x2, {0x10001, 0xfffffff9, 0xfffffffffffffffe, 0x9, 0x3}}, @TCA_GACT_PARMS={0x18, 0x2, {0x0, 0x0, 0x6, 0x2, 0x8}}, @TCA_GACT_PROB={0xc, 0x3, {0xa519bc3b424c1465, 0x95c, 0x7}}, @TCA_GACT_PARMS={0x18, 0x2, {0x7, 0x3a, 0x10000002, 0x2, 0x1}}, @TCA_GACT_PARMS={0x18, 0x2, {0x1f, 0x39, 0x7, 0x3, 0x4}}, @TCA_GACT_PARMS={0x18, 0x2, {0x0, 0x8000, 0x0, 0x7}}, @TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x5, 0x0, 0x1, 0x2}}]}, {0x69, 0x6, "7215f638818f87c78c2bc949214e786d701859f605df4043342060b6ea41eeb1726197a1a2039dcce0292a9b13dcc85583f8445ff5b2588c7f6ee3d3ca5ee4f83491f20f537279c38a34a865e46332542177193c3ea7429dc8eb213873c1c0ce205ae784b1"}, {0xc}, {0xc, 0x8, {0x0, 0x2}}}}, @m_ife={0x154, 0x1d, 0x0, 0x0, {{0x8, 0x1, 'ife\x00'}, {0x78, 0x2, 0x0, 0x1, [@TCA_IFE_DMAC={0xa, 0x3, @local}, @TCA_IFE_TYPE={0x6, 0x5, 0x1ff}, @TCA_IFE_TYPE={0x6}, @TCA_IFE_METALST={0x2c, 0x6, [@IFE_META_TCINDEX={0x6, 0x5, @val=0x6}, @IFE_META_SKBMARK={0x8, 0x1, @val=0x8}, @IFE_META_TCINDEX={0x6, 0x5, @val=0xd403}, @IFE_META_PRIO={0x4, 0x3, @void}, @IFE_META_TCINDEX={0x4, 0x5, @void}, @IFE_META_SKBMARK={0x8, 0x1, @val=0xffff}]}, @TCA_IFE_SMAC={0xa, 0x4, @local}, @TCA_IFE_TYPE={0x6, 0x5, 0x3f}, @TCA_IFE_SMAC={0xa, 0x4, @random="001f4a7b8e65"}, @TCA_IFE_SMAC={0xa, 0x4, @multicast}]}, {0xb7, 0x6, "1f4e6f389248c0b0d9328687dd0321a3e662347b203caecb6015302df08f55dc7bfd8cbf70898fe93fccd4102ddae4c5ca8f6a31a38902103cf4d096193a7bffcccadbf00cfa1a83616b443736e683c05371f611c02e0a00d5988f4e3321434447c594f6d2340620900766132f1b772c6ada1efb6f084dd2184594c4ea9c165134df901ca600d29ef4783e48d6134bbe1b21a470be6df093ef23c3bd1c087933eec5ffa7c757ac80a4f79132ef9b31a4f2ede6"}, {0xc}, {0xc, 0x8, {0x3}}}}]}]}, 0xf6c}, 0x1, 0x0, 0x0, 0x4001}, 0x4000090) ioctl$SNDCTL_DSP_SYNC(r0, 0x5001, 0x0) r6 = openat$null(0xffffffffffffff9c, &(0x7f0000000040)='/dev/null\x00', 0x2100, 0x0) write$vhci(r6, &(0x7f0000000080)=@HCI_VENDOR_PKT={0xff, 0x40}, 0x2) 15:37:03 executing program 2: r0 = syz_open_dev$dri(&(0x7f0000000100)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(r0, 0xc01864ba, 0x0) 15:37:03 executing program 1: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/locks\x00', 0x0, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) sendfile(r4, r3, 0x0, 0x100000001) [ 1254.231652][T19026] ===================================================== [ 1254.238650][T19026] BUG: KMSAN: uninit-value in tgr192_pass+0x1a25/0x1ee0 [ 1254.245605][T19026] CPU: 0 PID: 19026 Comm: syz-executor.5 Not tainted 5.8.0-rc5-syzkaller #0 [ 1254.254280][T19026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1254.264329][T19026] Call Trace: [ 1254.267621][T19026] dump_stack+0x1df/0x240 [ 1254.271952][T19026] kmsan_report+0xf7/0x1e0 [ 1254.276389][T19026] __msan_warning+0x58/0xa0 [ 1254.280919][T19026] tgr192_pass+0x1a25/0x1ee0 [ 1254.285516][T19026] ? kmsan_get_metadata+0x4f/0x180 [ 1254.290622][T19026] ? kmsan_memcpy_memmove_metadata+0x272/0x2e0 [ 1254.296774][T19026] tgr192_transform+0x248/0x1080 [ 1254.301708][T19026] ? is_module_text_address+0x4d/0x2a0 [ 1254.307163][T19026] ? kmsan_get_metadata+0x11d/0x180 [ 1254.312349][T19026] ? kmsan_get_metadata+0x11d/0x180 [ 1254.317555][T19026] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1254.323356][T19026] tgr192_update+0x663/0xb00 [ 1254.327945][T19026] ? tgr192_init+0x150/0x150 [ 1254.332530][T19026] crypto_shash_update+0x4e9/0x550 [ 1254.337722][T19026] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 1254.343877][T19026] ? crypto_hash_walk_first+0x1fd/0x360 [ 1254.349415][T19026] ? kmsan_get_metadata+0x4f/0x180 [ 1254.354522][T19026] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1254.360319][T19026] shash_async_update+0x113/0x1d0 [ 1254.365425][T19026] ? shash_async_init+0x1e0/0x1e0 [ 1254.370436][T19026] hash_sendpage+0x8ef/0xdf0 [ 1254.375023][T19026] ? hash_recvmsg+0xd30/0xd30 [ 1254.379691][T19026] sock_sendpage+0x1e1/0x2c0 [ 1254.384277][T19026] pipe_to_sendpage+0x38c/0x4c0 [ 1254.389116][T19026] ? sock_fasync+0x250/0x250 [ 1254.393703][T19026] __splice_from_pipe+0x565/0xf00 [ 1254.398716][T19026] ? generic_splice_sendpage+0x2d0/0x2d0 [ 1254.404354][T19026] generic_splice_sendpage+0x1d5/0x2d0 [ 1254.409811][T19026] ? iter_file_splice_write+0x1800/0x1800 [ 1254.415528][T19026] direct_splice_actor+0x1fd/0x580 [ 1254.420638][T19026] ? kmsan_get_metadata+0x4f/0x180 [ 1254.425746][T19026] splice_direct_to_actor+0x6b2/0xf50 [ 1254.431125][T19026] ? do_splice_direct+0x580/0x580 [ 1254.436155][T19026] do_splice_direct+0x342/0x580 [ 1254.441020][T19026] do_sendfile+0x101b/0x1d40 [ 1254.445618][T19026] __se_sys_sendfile64+0x2bb/0x360 [ 1254.450923][T19026] ? kmsan_get_metadata+0x4f/0x180 [ 1254.456028][T19026] __x64_sys_sendfile64+0x56/0x70 [ 1254.462091][T19026] do_syscall_64+0xb0/0x150 [ 1254.466589][T19026] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1254.472554][T19026] RIP: 0033:0x45c1d9 [ 1254.476429][T19026] Code: Bad RIP value. [ 1254.480480][T19026] RSP: 002b:00007fc86e226c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 1254.488881][T19026] RAX: ffffffffffffffda RBX: 0000000000025a00 RCX: 000000000045c1d9 [ 1254.496843][T19026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000008 [ 1254.504803][T19026] RBP: 000000000078bf48 R08: 0000000000000000 R09: 0000000000000000 [ 1254.512779][T19026] R10: 0000000000007e00 R11: 0000000000000246 R12: 000000000078bf0c [ 1254.520739][T19026] R13: 0000000000c9fb6f R14: 00007fc86e2279c0 R15: 000000000078bf0c [ 1254.528724][T19026] [ 1254.531040][T19026] Uninit was stored to memory at: [ 1254.536077][T19026] kmsan_internal_chain_origin+0xad/0x130 [ 1254.541786][T19026] kmsan_memcpy_memmove_metadata+0x272/0x2e0 [ 1254.547752][T19026] kmsan_memcpy_metadata+0xb/0x10 [ 1254.552758][T19026] __msan_memcpy+0x43/0x50 [ 1254.557166][T19026] tgr192_transform+0xc5/0x1080 [ 1254.562003][T19026] tgr192_update+0x663/0xb00 [ 1254.566577][T19026] crypto_shash_update+0x4e9/0x550 [ 1254.571673][T19026] shash_async_update+0x113/0x1d0 [ 1254.576700][T19026] hash_sendpage+0x8ef/0xdf0 [ 1254.581379][T19026] sock_sendpage+0x1e1/0x2c0 [ 1254.585955][T19026] pipe_to_sendpage+0x38c/0x4c0 [ 1254.590793][T19026] __splice_from_pipe+0x565/0xf00 [ 1254.595804][T19026] generic_splice_sendpage+0x1d5/0x2d0 [ 1254.601248][T19026] direct_splice_actor+0x1fd/0x580 [ 1254.606345][T19026] splice_direct_to_actor+0x6b2/0xf50 [ 1254.611704][T19026] do_splice_direct+0x342/0x580 [ 1254.616542][T19026] do_sendfile+0x101b/0x1d40 [ 1254.621119][T19026] __se_sys_sendfile64+0x2bb/0x360 [ 1254.626212][T19026] __x64_sys_sendfile64+0x56/0x70 [ 1254.631224][T19026] do_syscall_64+0xb0/0x150 [ 1254.635718][T19026] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1254.641589][T19026] [ 1254.643901][T19026] Uninit was created at: [ 1254.649955][T19026] kmsan_save_stack_with_flags+0x3c/0x90 [ 1254.655606][T19026] kmsan_alloc_page+0xb9/0x180 [ 1254.660366][T19026] __alloc_pages_nodemask+0x56a2/0x5dc0 [ 1254.665988][T19026] alloc_pages_current+0x672/0x990 [ 1254.671102][T19026] push_pipe+0x605/0xb70 [ 1254.675333][T19026] iov_iter_get_pages_alloc+0x18a9/0x21c0 [ 1254.681041][T19026] do_splice_to+0x4fc/0x14f0 [ 1254.685620][T19026] splice_direct_to_actor+0x45c/0xf50 [ 1254.690985][T19026] do_splice_direct+0x342/0x580 [ 1254.695819][T19026] do_sendfile+0x101b/0x1d40 [ 1254.700394][T19026] __se_sys_sendfile64+0x2bb/0x360 [ 1254.705489][T19026] __x64_sys_sendfile64+0x56/0x70 [ 1254.710505][T19026] do_syscall_64+0xb0/0x150 [ 1254.714995][T19026] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1254.720868][T19026] ===================================================== [ 1254.727786][T19026] Disabling lock debugging due to kernel taint [ 1254.733921][T19026] Kernel panic - not syncing: panic_on_warn set ... [ 1254.740498][T19026] CPU: 0 PID: 19026 Comm: syz-executor.5 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 1254.750542][T19026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1254.760584][T19026] Call Trace: [ 1254.763872][T19026] dump_stack+0x1df/0x240 [ 1254.768212][T19026] panic+0x3d5/0xc3e [ 1254.772126][T19026] kmsan_report+0x1df/0x1e0 [ 1254.776629][T19026] __msan_warning+0x58/0xa0 [ 1254.781127][T19026] tgr192_pass+0x1a25/0x1ee0 [ 1254.785736][T19026] ? kmsan_get_metadata+0x4f/0x180 [ 1254.790862][T19026] ? kmsan_memcpy_memmove_metadata+0x272/0x2e0 [ 1254.797033][T19026] tgr192_transform+0x248/0x1080 [ 1254.801979][T19026] ? is_module_text_address+0x4d/0x2a0 [ 1254.807437][T19026] ? kmsan_get_metadata+0x11d/0x180 [ 1254.812627][T19026] ? kmsan_get_metadata+0x11d/0x180 [ 1254.817827][T19026] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1254.823623][T19026] tgr192_update+0x663/0xb00 [ 1254.828215][T19026] ? tgr192_init+0x150/0x150 [ 1254.832816][T19026] crypto_shash_update+0x4e9/0x550 [ 1254.837917][T19026] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 1254.844069][T19026] ? crypto_hash_walk_first+0x1fd/0x360 [ 1254.849624][T19026] ? kmsan_get_metadata+0x4f/0x180 [ 1254.854741][T19026] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 1254.860542][T19026] shash_async_update+0x113/0x1d0 [ 1254.865559][T19026] ? shash_async_init+0x1e0/0x1e0 [ 1254.870571][T19026] hash_sendpage+0x8ef/0xdf0 [ 1254.875240][T19026] ? hash_recvmsg+0xd30/0xd30 [ 1254.879907][T19026] sock_sendpage+0x1e1/0x2c0 [ 1254.884493][T19026] pipe_to_sendpage+0x38c/0x4c0 [ 1254.889335][T19026] ? sock_fasync+0x250/0x250 [ 1254.893926][T19026] __splice_from_pipe+0x565/0xf00 [ 1254.898974][T19026] ? generic_splice_sendpage+0x2d0/0x2d0 [ 1254.904612][T19026] generic_splice_sendpage+0x1d5/0x2d0 [ 1254.910097][T19026] ? iter_file_splice_write+0x1800/0x1800 [ 1254.915802][T19026] direct_splice_actor+0x1fd/0x580 [ 1254.920906][T19026] ? kmsan_get_metadata+0x4f/0x180 [ 1254.926016][T19026] splice_direct_to_actor+0x6b2/0xf50 [ 1254.931461][T19026] ? do_splice_direct+0x580/0x580 [ 1254.936488][T19026] do_splice_direct+0x342/0x580 [ 1254.942040][T19026] do_sendfile+0x101b/0x1d40 [ 1254.946636][T19026] __se_sys_sendfile64+0x2bb/0x360 [ 1254.951756][T19026] ? kmsan_get_metadata+0x4f/0x180 [ 1254.956875][T19026] __x64_sys_sendfile64+0x56/0x70 [ 1254.962153][T19026] do_syscall_64+0xb0/0x150 [ 1254.966653][T19026] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1254.972533][T19026] RIP: 0033:0x45c1d9 [ 1254.976405][T19026] Code: Bad RIP value. [ 1254.980630][T19026] RSP: 002b:00007fc86e226c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 1254.989036][T19026] RAX: ffffffffffffffda RBX: 0000000000025a00 RCX: 000000000045c1d9 [ 1254.996994][T19026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000008 [ 1255.004956][T19026] RBP: 000000000078bf48 R08: 0000000000000000 R09: 0000000000000000 [ 1255.012918][T19026] R10: 0000000000007e00 R11: 0000000000000246 R12: 000000000078bf0c [ 1255.020876][T19026] R13: 0000000000c9fb6f R14: 00007fc86e2279c0 R15: 000000000078bf0c [ 1255.030533][T19026] Kernel Offset: 0x4e00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 1255.042061][T19026] Rebooting in 86400 seconds..