recvmmsg_time32+0xfb/0x120 [ 440.877570][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 440.883716][ T8868] __do_fast_syscall_32+0x102/0x160 [ 440.888902][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 440.893743][ T8868] do_SYSENTER_32+0x73/0x90 [ 440.898239][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 440.904552][ T8868] [ 440.906876][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 440.913575][ T8868] do_recvmmsg+0xbf/0x22f0 [ 440.917999][ T8868] do_recvmmsg+0xbf/0x22f0 [ 441.185898][ T8551] not chained 480000 origins [ 441.190533][ T8551] CPU: 1 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 441.199199][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 441.209255][ T8551] Call Trace: [ 441.212561][ T8551] dump_stack+0x21c/0x280 [ 441.216894][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 441.222617][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 441.227816][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 441.233636][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 441.238836][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 441.244645][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 441.250713][ T8551] ? __wake_up+0x1fc/0x250 [ 441.255131][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 441.261285][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 441.267115][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 441.273186][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 441.278388][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 441.284031][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 441.290104][ T8551] ? _copy_from_user+0x1fd/0x300 [ 441.295044][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 441.300240][ T8551] __msan_chain_origin+0x57/0xa0 [ 441.305185][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 441.310302][ T8551] get_compat_msghdr+0x108/0x2b0 [ 441.315256][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 441.319765][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 441.324973][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 441.330876][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 441.336091][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 441.341724][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 441.347009][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 441.351775][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 441.356455][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 441.361660][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 441.366864][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 441.373026][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 441.379183][ T8551] __do_fast_syscall_32+0x102/0x160 [ 441.384394][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 441.389268][ T8551] do_SYSENTER_32+0x73/0x90 [ 441.393786][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 441.400113][ T8551] RIP: 0023:0xf7fa1549 [ 441.404190][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 441.423800][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 441.432222][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 441.440193][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 441.448167][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 441.456141][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 441.464112][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 441.472084][ T8551] Uninit was stored to memory at: [ 441.477116][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 441.482833][ T8551] __msan_chain_origin+0x57/0xa0 [ 441.487772][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 441.492885][ T8551] get_compat_msghdr+0x108/0x2b0 [ 441.497824][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 441.502328][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 441.507007][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 441.513075][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 441.519230][ T8551] __do_fast_syscall_32+0x102/0x160 [ 441.524433][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 441.529287][ T8551] do_SYSENTER_32+0x73/0x90 [ 441.533817][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 441.540127][ T8551] [ 441.542447][ T8551] Uninit was stored to memory at: [ 441.547471][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 441.553186][ T8551] __msan_chain_origin+0x57/0xa0 [ 441.554410][ T8515] not chained 490000 origins [ 441.558123][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 441.562694][ T8515] CPU: 0 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 441.567780][ T8551] get_compat_msghdr+0x108/0x2b0 [ 441.576415][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 441.581552][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 441.591584][ T8515] Call Trace: [ 441.596071][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 441.599331][ T8515] dump_stack+0x21c/0x280 [ 441.603980][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 441.608280][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 441.614318][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 441.620006][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 441.626134][ T8551] __do_fast_syscall_32+0x102/0x160 [ 441.631302][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 441.637687][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 441.643471][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 441.648297][ T8551] do_SYSENTER_32+0x73/0x90 [ 441.653467][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 441.657958][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 441.663719][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 441.670003][ T8551] [ 441.676054][ T8515] ? __wake_up+0x1fc/0x250 [ 441.678354][ T8551] Uninit was stored to memory at: [ 441.682750][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 441.687759][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 441.692929][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 441.698618][ T8551] __msan_chain_origin+0x57/0xa0 [ 441.704396][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 441.709317][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 441.715369][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 441.720455][ T8551] get_compat_msghdr+0x108/0x2b0 [ 441.725622][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 441.730533][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 441.736140][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 441.740630][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 441.746682][ T8515] ? _copy_from_user+0x1fd/0x300 [ 441.751339][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 441.756258][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 441.762575][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 441.767742][ T8515] __msan_chain_origin+0x57/0xa0 [ 441.773873][ T8551] __do_fast_syscall_32+0x102/0x160 [ 441.778779][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 441.783949][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 441.789030][ T8515] get_compat_msghdr+0x108/0x2b0 [ 441.793855][ T8551] do_SYSENTER_32+0x73/0x90 [ 441.798764][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 441.803240][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 441.807714][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 441.813999][ T8551] [ 441.819184][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 441.821477][ T8551] Uninit was stored to memory at: [ 441.827698][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 441.832706][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 441.837875][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 441.843563][ T8551] __msan_chain_origin+0x57/0xa0 [ 441.849169][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 441.854078][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 441.859334][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 441.864416][ T8551] get_compat_msghdr+0x108/0x2b0 [ 441.869171][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 441.874079][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 441.878726][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 441.883201][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 441.888369][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 441.893018][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 441.898189][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 441.904267][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 441.910369][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 441.916498][ T8551] __do_fast_syscall_32+0x102/0x160 [ 441.922622][ T8515] __do_fast_syscall_32+0x102/0x160 [ 441.927815][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 441.932986][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 441.937816][ T8551] do_SYSENTER_32+0x73/0x90 [ 441.942646][ T8515] do_SYSENTER_32+0x73/0x90 [ 441.947126][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 441.951605][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 441.957890][ T8551] [ 441.964214][ T8515] RIP: 0023:0xf7fa1549 [ 441.966510][ T8551] Uninit was stored to memory at: [ 441.970561][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 441.975558][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 441.995132][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 [ 442.000830][ T8551] __msan_chain_origin+0x57/0xa0 [ 442.000848][ T8515] ORIG_RAX: 0000000000000151 [ 442.006894][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 442.011797][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 442.016448][ T8551] get_compat_msghdr+0x108/0x2b0 [ 442.021528][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 442.029481][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 442.034384][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 442.042385][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 442.046806][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 442.054758][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 442.059399][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 442.067352][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 442.073377][ T8515] Uninit was stored to memory at: [ 442.081341][ T8551] __do_fast_syscall_32+0x102/0x160 [ 442.087464][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 442.092487][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 442.097664][ T8515] __msan_chain_origin+0x57/0xa0 [ 442.103360][ T8551] do_SYSENTER_32+0x73/0x90 [ 442.108181][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 442.113092][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 442.117562][ T8515] get_compat_msghdr+0x108/0x2b0 [ 442.122633][ T8551] [ 442.128942][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 442.133842][ T8551] Uninit was stored to memory at: [ 442.136156][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 442.140628][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 442.145713][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 442.150362][ T8551] __msan_chain_origin+0x57/0xa0 [ 442.156066][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 442.162103][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 442.167018][ T8515] __do_fast_syscall_32+0x102/0x160 [ 442.173138][ T8551] get_compat_msghdr+0x108/0x2b0 [ 442.178240][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 442.183410][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 442.188320][ T8515] do_SYSENTER_32+0x73/0x90 [ 442.193141][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 442.197617][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 442.202090][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 442.206723][ T8515] [ 442.213045][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 442.219069][ T8515] Uninit was stored to memory at: [ 442.221387][ T8551] __do_fast_syscall_32+0x102/0x160 [ 442.227506][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 442.232507][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 442.237673][ T8515] __msan_chain_origin+0x57/0xa0 [ 442.243367][ T8551] do_SYSENTER_32+0x73/0x90 [ 442.248189][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 442.253103][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 442.257576][ T8515] get_compat_msghdr+0x108/0x2b0 [ 442.262653][ T8551] [ 442.268968][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 442.273863][ T8551] Uninit was stored to memory at: [ 442.276176][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 442.280678][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 442.285682][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 442.290327][ T8551] __msan_chain_origin+0x57/0xa0 [ 442.296022][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 442.302056][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 442.306977][ T8515] __do_fast_syscall_32+0x102/0x160 [ 442.313098][ T8551] get_compat_msghdr+0x108/0x2b0 [ 442.318196][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 442.323366][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 442.328275][ T8515] do_SYSENTER_32+0x73/0x90 [ 442.333098][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 442.337576][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 442.342050][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 442.346684][ T8515] [ 442.352996][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 442.359034][ T8515] Uninit was stored to memory at: [ 442.361371][ T8551] __do_fast_syscall_32+0x102/0x160 [ 442.367491][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 442.372493][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 442.377662][ T8515] __msan_chain_origin+0x57/0xa0 [ 442.383531][ T8551] do_SYSENTER_32+0x73/0x90 [ 442.388350][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 442.393262][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 442.397735][ T8515] get_compat_msghdr+0x108/0x2b0 [ 442.402808][ T8551] [ 442.409119][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 442.414114][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 442.416428][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 442.420903][ T8551] do_recvmmsg+0xbf/0x22f0 [ 442.427550][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 442.432197][ T8551] do_recvmmsg+0xbf/0x22f0 [ 442.436598][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 442.453270][ T8515] __do_fast_syscall_32+0x102/0x160 [ 442.458544][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 442.463437][ T8515] do_SYSENTER_32+0x73/0x90 [ 442.467950][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 442.475461][ T8515] [ 442.478865][ T8515] Uninit was stored to memory at: [ 442.483902][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 442.489624][ T8515] __msan_chain_origin+0x57/0xa0 [ 442.495963][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 442.501391][ T8515] get_compat_msghdr+0x108/0x2b0 [ 442.506331][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 442.510846][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 442.515529][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 442.521598][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 442.527758][ T8515] __do_fast_syscall_32+0x102/0x160 [ 442.532958][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 442.537816][ T8515] do_SYSENTER_32+0x73/0x90 [ 442.542325][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 442.548646][ T8515] [ 442.550970][ T8515] Uninit was stored to memory at: [ 442.556312][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 442.562034][ T8515] __msan_chain_origin+0x57/0xa0 [ 442.566976][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 442.573585][ T8515] get_compat_msghdr+0x108/0x2b0 [ 442.578944][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 442.583458][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 442.588232][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 442.595728][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 442.601893][ T8515] __do_fast_syscall_32+0x102/0x160 [ 442.607104][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 442.611965][ T8515] do_SYSENTER_32+0x73/0x90 [ 442.616485][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 442.622803][ T8515] [ 442.625127][ T8515] Uninit was stored to memory at: [ 442.631611][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 442.638726][ T8515] __msan_chain_origin+0x57/0xa0 [ 442.643670][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 442.648790][ T8515] get_compat_msghdr+0x108/0x2b0 [ 442.653740][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 442.658250][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 442.663080][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 442.669164][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 442.675329][ T8515] __do_fast_syscall_32+0x102/0x160 [ 442.680788][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 442.686100][ T8515] do_SYSENTER_32+0x73/0x90 [ 442.691305][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 442.697620][ T8515] [ 442.699943][ T8515] Uninit was stored to memory at: [ 442.706028][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 442.711749][ T8515] __msan_chain_origin+0x57/0xa0 [ 442.716693][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 442.721807][ T8515] get_compat_msghdr+0x108/0x2b0 [ 442.726749][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 442.731715][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 442.736917][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 442.743262][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 442.750723][ T8515] __do_fast_syscall_32+0x102/0x160 [ 442.756136][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 442.761407][ T8515] do_SYSENTER_32+0x73/0x90 [ 442.766578][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 442.773713][ T8515] [ 442.776745][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 442.783949][ T8515] do_recvmmsg+0xbf/0x22f0 [ 442.788999][ T8515] do_recvmmsg+0xbf/0x22f0 [ 444.235965][ T8551] not chained 500000 origins [ 444.240600][ T8551] CPU: 1 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 444.249272][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 444.259331][ T8551] Call Trace: [ 444.262635][ T8551] dump_stack+0x21c/0x280 [ 444.266975][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 444.272698][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 444.277900][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 444.283709][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 444.288904][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 444.294708][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 444.300774][ T8551] ? __wake_up+0x1fc/0x250 [ 444.305189][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 444.310383][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 444.316189][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 444.322257][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 444.327457][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 444.333097][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 444.339167][ T8551] ? _copy_from_user+0x1fd/0x300 [ 444.344101][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 444.349314][ T8551] __msan_chain_origin+0x57/0xa0 [ 444.354259][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 444.359382][ T8551] get_compat_msghdr+0x108/0x2b0 [ 444.364330][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 444.368837][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 444.374044][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 444.380061][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 444.385260][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 444.390892][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 444.396181][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 444.400948][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 444.405626][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 444.410820][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 444.416027][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 444.422106][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 444.428263][ T8551] __do_fast_syscall_32+0x102/0x160 [ 444.433467][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 444.438319][ T8551] do_SYSENTER_32+0x73/0x90 [ 444.442826][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 444.449161][ T8551] RIP: 0023:0xf7fa1549 [ 444.453232][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 444.472849][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 444.481272][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 444.489244][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 444.497306][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 444.505277][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 444.513249][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 444.521222][ T8551] Uninit was stored to memory at: [ 444.526256][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 444.531979][ T8551] __msan_chain_origin+0x57/0xa0 [ 444.536915][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 444.542027][ T8551] get_compat_msghdr+0x108/0x2b0 [ 444.546969][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 444.551473][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 444.556153][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 444.562227][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 444.568384][ T8551] __do_fast_syscall_32+0x102/0x160 [ 444.573586][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 444.578440][ T8551] do_SYSENTER_32+0x73/0x90 [ 444.582948][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 444.589258][ T8551] [ 444.591582][ T8551] Uninit was stored to memory at: [ 444.596607][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 444.602322][ T8551] __msan_chain_origin+0x57/0xa0 [ 444.607259][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 444.612369][ T8551] get_compat_msghdr+0x108/0x2b0 [ 444.617310][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 444.621814][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 444.626493][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 444.632565][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 444.638819][ T8551] __do_fast_syscall_32+0x102/0x160 [ 444.644106][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 444.648958][ T8551] do_SYSENTER_32+0x73/0x90 [ 444.653464][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 444.659774][ T8551] [ 444.662089][ T8551] Uninit was stored to memory at: [ 444.667113][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 444.672835][ T8551] __msan_chain_origin+0x57/0xa0 [ 444.677771][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 444.682887][ T8551] get_compat_msghdr+0x108/0x2b0 [ 444.687823][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 444.692327][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 444.697003][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 444.699915][ T8868] not chained 510000 origins [ 444.703072][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 444.707662][ T8868] CPU: 0 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 444.713816][ T8551] __do_fast_syscall_32+0x102/0x160 [ 444.722452][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 444.727636][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 444.737654][ T8868] Call Trace: [ 444.742493][ T8551] do_SYSENTER_32+0x73/0x90 [ 444.745756][ T8868] dump_stack+0x21c/0x280 [ 444.750235][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 444.754549][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 444.760835][ T8551] [ 444.766554][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 444.768852][ T8551] Uninit was stored to memory at: [ 444.774039][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 444.779039][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 444.784991][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 444.790681][ T8551] __msan_chain_origin+0x57/0xa0 [ 444.795851][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 444.800761][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 444.806549][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 444.811631][ T8551] get_compat_msghdr+0x108/0x2b0 [ 444.817683][ T8868] ? __wake_up+0x1fc/0x250 [ 444.822591][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 444.826980][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 444.831456][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 444.836625][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 444.841288][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 444.847162][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 444.853202][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 444.859237][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 444.865365][ T8551] __do_fast_syscall_32+0x102/0x160 [ 444.870529][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 444.875700][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 444.881305][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 444.886127][ T8551] do_SYSENTER_32+0x73/0x90 [ 444.892163][ T8868] ? _copy_from_user+0x1fd/0x300 [ 444.896666][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 444.901570][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 444.907855][ T8551] [ 444.913034][ T8868] __msan_chain_origin+0x57/0xa0 [ 444.915344][ T8551] Uninit was stored to memory at: [ 444.920307][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 444.925319][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 444.930416][ T8868] get_compat_msghdr+0x108/0x2b0 [ 444.936109][ T8551] __msan_chain_origin+0x57/0xa0 [ 444.941043][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 444.945970][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 444.950450][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 444.955538][ T8551] get_compat_msghdr+0x108/0x2b0 [ 444.960710][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 444.965618][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 444.971483][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 444.975959][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 444.981128][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 444.985781][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 444.991382][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 444.997425][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 445.002682][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 445.008807][ T8551] __do_fast_syscall_32+0x102/0x160 [ 445.013540][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 445.018710][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 445.023356][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 445.028179][ T8551] do_SYSENTER_32+0x73/0x90 [ 445.033347][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 445.037827][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 445.042995][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 445.049281][ T8551] [ 445.055333][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 445.057624][ T8551] Uninit was stored to memory at: [ 445.063761][ T8868] __do_fast_syscall_32+0x102/0x160 [ 445.068752][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 445.073927][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 445.079613][ T8551] __msan_chain_origin+0x57/0xa0 [ 445.084441][ T8868] do_SYSENTER_32+0x73/0x90 [ 445.089346][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 445.093826][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 445.098903][ T8551] get_compat_msghdr+0x108/0x2b0 [ 445.105203][ T8868] RIP: 0023:0xf7fcc549 [ 445.110115][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 445.114157][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 445.118720][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 445.138294][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 [ 445.142951][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 445.142972][ T8868] ORIG_RAX: 0000000000000151 [ 445.149028][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 445.155087][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 445.159757][ T8551] __do_fast_syscall_32+0x102/0x160 [ 445.165962][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 445.173917][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 445.179090][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 445.187047][ T8551] do_SYSENTER_32+0x73/0x90 [ 445.191862][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 445.199819][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 445.204293][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 445.212235][ T8551] [ 445.218535][ T8868] Uninit was stored to memory at: [ 445.226481][ T8551] Uninit was stored to memory at: [ 445.228797][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 445.233804][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 445.238816][ T8868] __msan_chain_origin+0x57/0xa0 [ 445.244521][ T8551] __msan_chain_origin+0x57/0xa0 [ 445.250223][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 445.255133][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 445.260048][ T8868] get_compat_msghdr+0x108/0x2b0 [ 445.265132][ T8551] get_compat_msghdr+0x108/0x2b0 [ 445.270218][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 445.275125][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 445.280049][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 445.284530][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 445.289004][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 445.293656][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 445.298304][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 445.304344][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 445.310396][ T8868] __do_fast_syscall_32+0x102/0x160 [ 445.316516][ T8551] __do_fast_syscall_32+0x102/0x160 [ 445.322658][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 445.327828][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 445.332997][ T8868] do_SYSENTER_32+0x73/0x90 [ 445.337834][ T8551] do_SYSENTER_32+0x73/0x90 [ 445.342656][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 445.347130][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 445.351590][ T8868] [ 445.357884][ T8551] [ 445.364278][ T8868] Uninit was stored to memory at: [ 445.366583][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 445.368895][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 445.374151][ T8551] do_recvmmsg+0xbf/0x22f0 [ 445.380794][ T8868] __msan_chain_origin+0x57/0xa0 [ 445.386500][ T8551] do_recvmmsg+0xbf/0x22f0 [ 445.390913][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 445.405404][ T8868] get_compat_msghdr+0x108/0x2b0 [ 445.410383][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 445.414977][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 445.419707][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 445.426443][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 445.433457][ T8868] __do_fast_syscall_32+0x102/0x160 [ 445.439069][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 445.443923][ T8868] do_SYSENTER_32+0x73/0x90 [ 445.448463][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 445.454775][ T8868] [ 445.457093][ T8868] Uninit was stored to memory at: [ 445.462122][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 445.468836][ T8868] __msan_chain_origin+0x57/0xa0 [ 445.473780][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 445.478891][ T8868] get_compat_msghdr+0x108/0x2b0 [ 445.484640][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 445.490055][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 445.494739][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 445.501071][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 445.507231][ T8868] __do_fast_syscall_32+0x102/0x160 [ 445.513445][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 445.518959][ T8868] do_SYSENTER_32+0x73/0x90 [ 445.523475][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 445.529807][ T8868] [ 445.532131][ T8868] Uninit was stored to memory at: [ 445.537165][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 445.542888][ T8868] __msan_chain_origin+0x57/0xa0 [ 445.547827][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 445.553621][ T8868] get_compat_msghdr+0x108/0x2b0 [ 445.559048][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 445.563555][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 445.568233][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 445.575294][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 445.581973][ T8868] __do_fast_syscall_32+0x102/0x160 [ 445.587972][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 445.592830][ T8868] do_SYSENTER_32+0x73/0x90 [ 445.597341][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 445.604277][ T8868] [ 445.606828][ T8868] Uninit was stored to memory at: [ 445.612295][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 445.618778][ T8868] __msan_chain_origin+0x57/0xa0 [ 445.624211][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 445.629323][ T8868] get_compat_msghdr+0x108/0x2b0 [ 445.634819][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 445.640047][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 445.644726][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 445.650852][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 445.657008][ T8868] __do_fast_syscall_32+0x102/0x160 [ 445.662863][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 445.668149][ T8868] do_SYSENTER_32+0x73/0x90 [ 445.672659][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 445.679938][ T8868] [ 445.682530][ T8868] Uninit was stored to memory at: [ 445.688380][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 445.694932][ T8868] __msan_chain_origin+0x57/0xa0 [ 445.700212][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 445.705325][ T8868] get_compat_msghdr+0x108/0x2b0 [ 445.710709][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 445.715927][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 445.720615][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 445.726745][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 445.732916][ T8868] __do_fast_syscall_32+0x102/0x160 [ 445.738644][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 445.743935][ T8868] do_SYSENTER_32+0x73/0x90 [ 445.748447][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 445.755708][ T8868] [ 445.758203][ T8868] Uninit was stored to memory at: [ 445.763582][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 445.769985][ T8868] __msan_chain_origin+0x57/0xa0 [ 445.775266][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 445.780378][ T8868] get_compat_msghdr+0x108/0x2b0 [ 445.785640][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 445.790288][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 445.795456][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 445.801972][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 445.808131][ T8868] __do_fast_syscall_32+0x102/0x160 [ 445.813605][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 445.818725][ T8868] do_SYSENTER_32+0x73/0x90 [ 445.823234][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 445.830194][ T8868] [ 445.832735][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 445.840202][ T8868] do_recvmmsg+0xbf/0x22f0 [ 445.845259][ T8868] do_recvmmsg+0xbf/0x22f0 [ 446.362194][ T8515] not chained 520000 origins [ 446.367245][ T8515] CPU: 0 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 446.376284][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 446.386468][ T8515] Call Trace: [ 446.390204][ T8515] dump_stack+0x21c/0x280 [ 446.394542][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 446.400290][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 446.405496][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 446.411809][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 446.417855][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 446.429401][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 446.435480][ T8515] ? __wake_up+0x1fc/0x250 [ 446.440657][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 446.445860][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 446.452028][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 446.458112][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 446.463683][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 446.469328][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 446.476167][ T8515] ? _copy_from_user+0x1fd/0x300 [ 446.481119][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 446.486320][ T8515] __msan_chain_origin+0x57/0xa0 [ 446.491286][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 446.496404][ T8515] get_compat_msghdr+0x108/0x2b0 [ 446.501356][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 446.505873][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 446.511079][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 446.517245][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 446.522446][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 446.528333][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 446.533623][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 446.538389][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 446.543301][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 446.548507][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 446.554304][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 446.560378][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 446.566654][ T8515] __do_fast_syscall_32+0x102/0x160 [ 446.572631][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 446.577562][ T8515] do_SYSENTER_32+0x73/0x90 [ 446.582073][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 446.588568][ T8515] RIP: 0023:0xf7fa1549 [ 446.592640][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 446.612361][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 446.621123][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 446.629628][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 446.637603][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 446.645581][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 446.653972][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 446.662373][ T8515] Uninit was stored to memory at: [ 446.668186][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 446.673906][ T8515] __msan_chain_origin+0x57/0xa0 [ 446.679104][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 446.684217][ T8515] get_compat_msghdr+0x108/0x2b0 [ 446.689826][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 446.694744][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 446.699434][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 446.705766][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 446.712442][ T8515] __do_fast_syscall_32+0x102/0x160 [ 446.717650][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 446.723139][ T8515] do_SYSENTER_32+0x73/0x90 [ 446.727857][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 446.734878][ T8515] [ 446.737239][ T8515] Uninit was stored to memory at: [ 446.742269][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 446.748004][ T8515] __msan_chain_origin+0x57/0xa0 [ 446.752943][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 446.758609][ T8515] get_compat_msghdr+0x108/0x2b0 [ 446.763550][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 446.768056][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 446.772964][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 446.779037][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 446.785954][ T8515] __do_fast_syscall_32+0x102/0x160 [ 446.791147][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 446.795991][ T8515] do_SYSENTER_32+0x73/0x90 [ 446.800485][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 446.806790][ T8515] [ 446.809099][ T8515] Uninit was stored to memory at: [ 446.814125][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 446.819831][ T8515] __msan_chain_origin+0x57/0xa0 [ 446.824759][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 446.829876][ T8515] get_compat_msghdr+0x108/0x2b0 [ 446.834803][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 446.839294][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 446.843960][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 446.850014][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 446.856160][ T8515] __do_fast_syscall_32+0x102/0x160 [ 446.861362][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 446.866205][ T8515] do_SYSENTER_32+0x73/0x90 [ 446.870700][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 446.877004][ T8515] [ 446.879314][ T8515] Uninit was stored to memory at: [ 446.884326][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 446.890031][ T8515] __msan_chain_origin+0x57/0xa0 [ 446.894958][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 446.900056][ T8515] get_compat_msghdr+0x108/0x2b0 [ 446.904983][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 446.909473][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 446.914140][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 446.920196][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 446.926358][ T8515] __do_fast_syscall_32+0x102/0x160 [ 446.931569][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 446.936425][ T8515] do_SYSENTER_32+0x73/0x90 [ 446.940925][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 446.947230][ T8515] [ 446.949541][ T8515] Uninit was stored to memory at: [ 446.954556][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 446.960261][ T8515] __msan_chain_origin+0x57/0xa0 [ 446.965190][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 446.970289][ T8515] get_compat_msghdr+0x108/0x2b0 [ 446.975216][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 446.979707][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 446.984374][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 446.990435][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 446.996580][ T8515] __do_fast_syscall_32+0x102/0x160 [ 447.001781][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 447.006619][ T8515] do_SYSENTER_32+0x73/0x90 [ 447.011114][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 447.017418][ T8515] [ 447.019727][ T8515] Uninit was stored to memory at: [ 447.024737][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 447.030440][ T8515] __msan_chain_origin+0x57/0xa0 [ 447.035379][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 447.040480][ T8515] get_compat_msghdr+0x108/0x2b0 [ 447.045409][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 447.049901][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 447.054566][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 447.060621][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 447.066762][ T8515] __do_fast_syscall_32+0x102/0x160 [ 447.071949][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 447.076796][ T8515] do_SYSENTER_32+0x73/0x90 [ 447.081292][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 447.087593][ T8515] [ 447.089905][ T8515] Uninit was stored to memory at: [ 447.094916][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 447.100619][ T8515] __msan_chain_origin+0x57/0xa0 [ 447.105543][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 447.110730][ T8515] get_compat_msghdr+0x108/0x2b0 [ 447.115654][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 447.120144][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 447.124811][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 447.130869][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 447.137012][ T8515] __do_fast_syscall_32+0x102/0x160 [ 447.142202][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 447.147044][ T8515] do_SYSENTER_32+0x73/0x90 [ 447.151541][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 447.157842][ T8515] [ 447.160153][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 447.166812][ T8515] do_recvmmsg+0xbf/0x22f0 [ 447.171216][ T8515] do_recvmmsg+0xbf/0x22f0 [ 448.100384][ T8551] not chained 530000 origins [ 448.105025][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 448.113696][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 448.123755][ T8551] Call Trace: [ 448.127054][ T8551] dump_stack+0x21c/0x280 [ 448.131541][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 448.137708][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 448.142914][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 448.148722][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 448.154018][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 448.160119][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 448.166347][ T8551] ? __wake_up+0x1fc/0x250 [ 448.170766][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 448.176570][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 448.182724][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 448.188878][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 448.194170][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 448.200245][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 448.206420][ T8551] ? _copy_from_user+0x1fd/0x300 [ 448.211369][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 448.216638][ T8551] __msan_chain_origin+0x57/0xa0 [ 448.221841][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 448.226963][ T8551] get_compat_msghdr+0x108/0x2b0 [ 448.231914][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 448.236425][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 448.241625][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 448.247970][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 448.253184][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 448.258815][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 448.264101][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 448.268868][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 448.273711][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 448.278916][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 448.284125][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 448.290201][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 448.296362][ T8551] __do_fast_syscall_32+0x102/0x160 [ 448.301904][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 448.306762][ T8551] do_SYSENTER_32+0x73/0x90 [ 448.311277][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 448.317598][ T8551] RIP: 0023:0xf7fa1549 [ 448.321671][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 448.341279][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 448.349710][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 448.357684][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 448.365766][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 448.373742][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 448.381715][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 448.389688][ T8551] Uninit was stored to memory at: [ 448.394812][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 448.400644][ T8551] __msan_chain_origin+0x57/0xa0 [ 448.405586][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 448.410696][ T8551] get_compat_msghdr+0x108/0x2b0 [ 448.415632][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 448.420133][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 448.424818][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 448.430892][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 448.437048][ T8551] __do_fast_syscall_32+0x102/0x160 [ 448.442247][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 448.447096][ T8551] do_SYSENTER_32+0x73/0x90 [ 448.451605][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 448.457931][ T8551] [ 448.460251][ T8551] Uninit was stored to memory at: [ 448.465279][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 448.471011][ T8551] __msan_chain_origin+0x57/0xa0 [ 448.472743][ T8868] not chained 540000 origins [ 448.475949][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 448.480522][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 448.485602][ T8551] get_compat_msghdr+0x108/0x2b0 [ 448.494236][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 448.499154][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 448.509175][ T8868] Call Trace: [ 448.513660][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 448.516920][ T8868] dump_stack+0x21c/0x280 [ 448.521571][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 448.525880][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 448.531936][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 448.537625][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 448.543754][ T8551] __do_fast_syscall_32+0x102/0x160 [ 448.548919][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 448.554090][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 448.559865][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 448.564689][ T8551] do_SYSENTER_32+0x73/0x90 [ 448.569858][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 448.574337][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 448.580111][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 448.586397][ T8551] [ 448.592451][ T8868] ? __wake_up+0x1fc/0x250 [ 448.594744][ T8551] Uninit was stored to memory at: [ 448.599140][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 448.604136][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 448.609307][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 448.614997][ T8551] __msan_chain_origin+0x57/0xa0 [ 448.620776][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 448.625684][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 448.631730][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 448.636819][ T8551] get_compat_msghdr+0x108/0x2b0 [ 448.641986][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 448.646899][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 448.652509][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 448.656994][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 448.663030][ T8868] ? _copy_from_user+0x1fd/0x300 [ 448.667679][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 448.672587][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 448.678625][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 448.683805][ T8868] __msan_chain_origin+0x57/0xa0 [ 448.689939][ T8551] __do_fast_syscall_32+0x102/0x160 [ 448.694854][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 448.700028][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 448.705109][ T8868] get_compat_msghdr+0x108/0x2b0 [ 448.709934][ T8551] do_SYSENTER_32+0x73/0x90 [ 448.714844][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 448.719320][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 448.723794][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 448.730098][ T8551] [ 448.735296][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 448.737591][ T8551] Uninit was stored to memory at: [ 448.743576][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 448.748587][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 448.753755][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 448.759446][ T8551] __msan_chain_origin+0x57/0xa0 [ 448.765052][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 448.769975][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 448.775248][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 448.780418][ T8551] get_compat_msghdr+0x108/0x2b0 [ 448.785156][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 448.790069][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 448.794733][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 448.799213][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 448.804385][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 448.809037][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 448.814222][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 448.820262][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 448.826300][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 448.832428][ T8551] __do_fast_syscall_32+0x102/0x160 [ 448.838552][ T8868] __do_fast_syscall_32+0x102/0x160 [ 448.843721][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 448.848893][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 448.853716][ T8551] do_SYSENTER_32+0x73/0x90 [ 448.858538][ T8868] do_SYSENTER_32+0x73/0x90 [ 448.863015][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 448.867490][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 448.873909][ T8551] [ 448.880225][ T8868] RIP: 0023:0xf7fcc549 [ 448.882523][ T8551] Uninit was stored to memory at: [ 448.886580][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 448.891582][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 448.911160][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 [ 448.916846][ T8551] __msan_chain_origin+0x57/0xa0 [ 448.916864][ T8868] ORIG_RAX: 0000000000000151 [ 448.923003][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 448.927924][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 448.932592][ T8551] get_compat_msghdr+0x108/0x2b0 [ 448.937674][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 448.945629][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 448.950533][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 448.958515][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 448.962985][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 448.970940][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 448.975582][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 448.983535][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 448.989573][ T8868] Uninit was stored to memory at: [ 448.997536][ T8551] __do_fast_syscall_32+0x102/0x160 [ 449.003656][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 449.008654][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 449.013832][ T8868] __msan_chain_origin+0x57/0xa0 [ 449.019526][ T8551] do_SYSENTER_32+0x73/0x90 [ 449.024347][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 449.029272][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 449.033743][ T8868] get_compat_msghdr+0x108/0x2b0 [ 449.038815][ T8551] [ 449.045137][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 449.050035][ T8551] Uninit was stored to memory at: [ 449.052354][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 449.056826][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 449.061826][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 449.066470][ T8551] __msan_chain_origin+0x57/0xa0 [ 449.072164][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 449.078199][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 449.083115][ T8868] __do_fast_syscall_32+0x102/0x160 [ 449.089238][ T8551] get_compat_msghdr+0x108/0x2b0 [ 449.094322][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 449.099490][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 449.104400][ T8868] do_SYSENTER_32+0x73/0x90 [ 449.109220][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 449.113697][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 449.118171][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 449.122804][ T8868] [ 449.129118][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 449.135142][ T8868] Uninit was stored to memory at: [ 449.137459][ T8551] __do_fast_syscall_32+0x102/0x160 [ 449.143583][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 449.148584][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 449.153749][ T8868] __msan_chain_origin+0x57/0xa0 [ 449.159441][ T8551] do_SYSENTER_32+0x73/0x90 [ 449.164261][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 449.169180][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 449.173651][ T8868] get_compat_msghdr+0x108/0x2b0 [ 449.178723][ T8551] [ 449.185041][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 449.189936][ T8551] Uninit was stored to memory at: [ 449.192343][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 449.196814][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 449.201814][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 449.206458][ T8551] __msan_chain_origin+0x57/0xa0 [ 449.212156][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 449.218194][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 449.223105][ T8868] __do_fast_syscall_32+0x102/0x160 [ 449.229228][ T8551] get_compat_msghdr+0x108/0x2b0 [ 449.234315][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 449.239483][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 449.244393][ T8868] do_SYSENTER_32+0x73/0x90 [ 449.249215][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 449.253696][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 449.258186][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 449.262821][ T8868] [ 449.269664][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 449.275691][ T8868] Uninit was stored to memory at: [ 449.278010][ T8551] __do_fast_syscall_32+0x102/0x160 [ 449.284132][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 449.289142][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 449.294311][ T8868] __msan_chain_origin+0x57/0xa0 [ 449.300012][ T8551] do_SYSENTER_32+0x73/0x90 [ 449.304831][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 449.309743][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 449.314215][ T8868] get_compat_msghdr+0x108/0x2b0 [ 449.319295][ T8551] [ 449.325604][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 449.330501][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 449.332814][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 449.337290][ T8551] do_recvmmsg+0xbf/0x22f0 [ 449.343938][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 449.348584][ T8551] do_recvmmsg+0xbf/0x22f0 [ 449.352974][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 449.369551][ T8868] __do_fast_syscall_32+0x102/0x160 [ 449.374759][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 449.379620][ T8868] do_SYSENTER_32+0x73/0x90 [ 449.384132][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 449.390445][ T8868] [ 449.392767][ T8868] Uninit was stored to memory at: [ 449.397795][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 449.403514][ T8868] __msan_chain_origin+0x57/0xa0 [ 449.408452][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 449.413653][ T8868] get_compat_msghdr+0x108/0x2b0 [ 449.418592][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 449.423094][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 449.428727][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 449.434795][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 449.441044][ T8868] __do_fast_syscall_32+0x102/0x160 [ 449.446250][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 449.451101][ T8868] do_SYSENTER_32+0x73/0x90 [ 449.455695][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 449.462005][ T8868] [ 449.464323][ T8868] Uninit was stored to memory at: [ 449.469347][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 449.475071][ T8868] __msan_chain_origin+0x57/0xa0 [ 449.480086][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 449.485301][ T8868] get_compat_msghdr+0x108/0x2b0 [ 449.490363][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 449.494901][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 449.499580][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 449.505651][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 449.511811][ T8868] __do_fast_syscall_32+0x102/0x160 [ 449.517009][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 449.521861][ T8868] do_SYSENTER_32+0x73/0x90 [ 449.526366][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 449.532676][ T8868] [ 449.534994][ T8868] Uninit was stored to memory at: [ 449.540018][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 449.545739][ T8868] __msan_chain_origin+0x57/0xa0 [ 449.550678][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 449.555787][ T8868] get_compat_msghdr+0x108/0x2b0 [ 449.560725][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 449.565235][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 449.569919][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 449.575983][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 449.582142][ T8868] __do_fast_syscall_32+0x102/0x160 [ 449.587345][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 449.592202][ T8868] do_SYSENTER_32+0x73/0x90 [ 449.596708][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 449.603020][ T8868] [ 449.605342][ T8868] Uninit was stored to memory at: [ 449.610366][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 449.616088][ T8868] __msan_chain_origin+0x57/0xa0 [ 449.621029][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 449.626144][ T8868] get_compat_msghdr+0x108/0x2b0 [ 449.631084][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 449.635586][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 449.640260][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 449.646325][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 449.652488][ T8868] __do_fast_syscall_32+0x102/0x160 [ 449.657683][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 449.662533][ T8868] do_SYSENTER_32+0x73/0x90 [ 449.667040][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 449.673354][ T8868] [ 449.675674][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 449.682353][ T8868] do_recvmmsg+0xbf/0x22f0 [ 449.686767][ T8868] do_recvmmsg+0xbf/0x22f0 [ 450.037956][ T8515] not chained 550000 origins [ 450.042593][ T8515] CPU: 0 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 450.051269][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 450.061416][ T8515] Call Trace: [ 450.064719][ T8515] dump_stack+0x21c/0x280 [ 450.069057][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 450.074796][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 450.080260][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 450.086144][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 450.091350][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 450.097197][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 450.103269][ T8515] ? __wake_up+0x1fc/0x250 [ 450.107719][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 450.112924][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 450.118734][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 450.124803][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 450.130003][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 450.135730][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 450.141803][ T8515] ? _copy_from_user+0x1fd/0x300 [ 450.146745][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 450.151947][ T8515] __msan_chain_origin+0x57/0xa0 [ 450.156894][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 450.162017][ T8515] get_compat_msghdr+0x108/0x2b0 [ 450.166965][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 450.171481][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 450.176707][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 450.182863][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 450.188090][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 450.193726][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 450.199017][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 450.203787][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 450.208471][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 450.213684][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 450.218891][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 450.224966][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 450.231128][ T8515] __do_fast_syscall_32+0x102/0x160 [ 450.236332][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 450.241189][ T8515] do_SYSENTER_32+0x73/0x90 [ 450.245703][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 450.252026][ T8515] RIP: 0023:0xf7fa1549 [ 450.256102][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 450.275712][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 450.284138][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 450.292205][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 450.300179][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 450.308158][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 450.316155][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 450.324129][ T8515] Uninit was stored to memory at: [ 450.329179][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 450.334900][ T8515] __msan_chain_origin+0x57/0xa0 [ 450.339844][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 450.344958][ T8515] get_compat_msghdr+0x108/0x2b0 [ 450.349901][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 450.354406][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 450.359089][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 450.365162][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 450.371323][ T8515] __do_fast_syscall_32+0x102/0x160 [ 450.376526][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 450.381377][ T8515] do_SYSENTER_32+0x73/0x90 [ 450.385885][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 450.392197][ T8515] [ 450.394536][ T8515] Uninit was stored to memory at: [ 450.399591][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 450.405322][ T8515] __msan_chain_origin+0x57/0xa0 [ 450.410267][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 450.415380][ T8515] get_compat_msghdr+0x108/0x2b0 [ 450.420328][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 450.424835][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 450.429520][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 450.435589][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 450.441748][ T8515] __do_fast_syscall_32+0x102/0x160 [ 450.446951][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 450.451804][ T8515] do_SYSENTER_32+0x73/0x90 [ 450.456320][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 450.462646][ T8515] [ 450.464969][ T8515] Uninit was stored to memory at: [ 450.469996][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 450.475716][ T8515] __msan_chain_origin+0x57/0xa0 [ 450.480658][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 450.485765][ T8515] get_compat_msghdr+0x108/0x2b0 [ 450.490785][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 450.495289][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 450.499971][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 450.506041][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 450.512203][ T8515] __do_fast_syscall_32+0x102/0x160 [ 450.517409][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 450.522261][ T8515] do_SYSENTER_32+0x73/0x90 [ 450.526793][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 450.533139][ T8515] [ 450.535459][ T8515] Uninit was stored to memory at: [ 450.540484][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 450.546202][ T8515] __msan_chain_origin+0x57/0xa0 [ 450.551147][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 450.556294][ T8515] get_compat_msghdr+0x108/0x2b0 [ 450.561240][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 450.565745][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 450.570431][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 450.576501][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 450.582662][ T8515] __do_fast_syscall_32+0x102/0x160 [ 450.587863][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 450.592716][ T8515] do_SYSENTER_32+0x73/0x90 [ 450.597227][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 450.603554][ T8515] [ 450.605876][ T8515] Uninit was stored to memory at: [ 450.610989][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 450.616706][ T8515] __msan_chain_origin+0x57/0xa0 [ 450.621647][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 450.626758][ T8515] get_compat_msghdr+0x108/0x2b0 [ 450.631697][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 450.636208][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 450.640887][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 450.646956][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 450.653114][ T8515] __do_fast_syscall_32+0x102/0x160 [ 450.658312][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 450.663177][ T8515] do_SYSENTER_32+0x73/0x90 [ 450.667724][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 450.674036][ T8515] [ 450.676359][ T8515] Uninit was stored to memory at: [ 450.681384][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 450.687106][ T8515] __msan_chain_origin+0x57/0xa0 [ 450.692043][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 450.697170][ T8515] get_compat_msghdr+0x108/0x2b0 [ 450.702110][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 450.706613][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 450.711300][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 450.717452][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 450.723656][ T8515] __do_fast_syscall_32+0x102/0x160 [ 450.728859][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 450.733716][ T8515] do_SYSENTER_32+0x73/0x90 [ 450.738225][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 450.744535][ T8515] [ 450.746855][ T8515] Uninit was stored to memory at: [ 450.751881][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 450.757605][ T8515] __msan_chain_origin+0x57/0xa0 [ 450.762552][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 450.767669][ T8515] get_compat_msghdr+0x108/0x2b0 [ 450.772724][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 450.777234][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 450.782013][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 450.788087][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 450.794245][ T8515] __do_fast_syscall_32+0x102/0x160 [ 450.799447][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 450.804321][ T8515] do_SYSENTER_32+0x73/0x90 [ 450.808834][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 450.815631][ T8515] [ 450.817963][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 450.824744][ T8515] do_recvmmsg+0xbf/0x22f0 [ 450.829171][ T8515] do_recvmmsg+0xbf/0x22f0 [ 451.192872][ T8551] not chained 560000 origins [ 451.197506][ T8551] CPU: 1 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 451.206176][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 451.216230][ T8551] Call Trace: [ 451.219534][ T8551] dump_stack+0x21c/0x280 [ 451.223871][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 451.229593][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 451.234794][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 451.240934][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 451.246134][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 451.251941][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 451.258013][ T8551] ? __wake_up+0x1fc/0x250 [ 451.262433][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 451.267636][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 451.273446][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 451.279512][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 451.284711][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 451.290351][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 451.296425][ T8551] ? _copy_from_user+0x1fd/0x300 [ 451.301361][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 451.306561][ T8551] __msan_chain_origin+0x57/0xa0 [ 451.311505][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 451.316620][ T8551] get_compat_msghdr+0x108/0x2b0 [ 451.321568][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 451.326164][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 451.332667][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 451.338559][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 451.343760][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 451.349393][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 451.354682][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 451.359447][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 451.364128][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 451.369325][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 451.374527][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 451.380600][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 451.386760][ T8551] __do_fast_syscall_32+0x102/0x160 [ 451.392619][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 451.397477][ T8551] do_SYSENTER_32+0x73/0x90 [ 451.401991][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 451.408312][ T8551] RIP: 0023:0xf7fa1549 [ 451.412386][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 451.432001][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 451.440420][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 451.448397][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 451.456368][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 451.464343][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 451.472336][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 451.480323][ T8551] Uninit was stored to memory at: [ 451.485355][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 451.491076][ T8551] __msan_chain_origin+0x57/0xa0 [ 451.496014][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 451.501125][ T8551] get_compat_msghdr+0x108/0x2b0 [ 451.506060][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 451.510561][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 451.515240][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 451.521307][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 451.527467][ T8551] __do_fast_syscall_32+0x102/0x160 [ 451.532670][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 451.537523][ T8551] do_SYSENTER_32+0x73/0x90 [ 451.542032][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 451.548348][ T8551] [ 451.550666][ T8551] Uninit was stored to memory at: [ 451.555689][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 451.561405][ T8551] __msan_chain_origin+0x57/0xa0 [ 451.566340][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 451.571448][ T8551] get_compat_msghdr+0x108/0x2b0 [ 451.576386][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 451.577147][ T8868] not chained 570000 origins [ 451.580888][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 451.585459][ T8868] CPU: 0 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 451.590110][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 451.598754][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 451.604802][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 451.614821][ T8868] Call Trace: [ 451.620963][ T8551] __do_fast_syscall_32+0x102/0x160 [ 451.624222][ T8868] dump_stack+0x21c/0x280 [ 451.629393][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 451.642548][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 451.647389][ T8551] do_SYSENTER_32+0x73/0x90 [ 451.653075][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 451.657552][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 451.662722][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 451.669013][ T8551] [ 451.674821][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 451.677117][ T8551] Uninit was stored to memory at: [ 451.682298][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 451.687293][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 451.693072][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 451.698760][ T8551] __msan_chain_origin+0x57/0xa0 [ 451.704815][ T8868] ? __wake_up+0x1fc/0x250 [ 451.709733][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 451.714121][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 451.719217][ T8551] get_compat_msghdr+0x108/0x2b0 [ 451.724389][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 451.729315][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 451.735102][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 451.739583][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 451.745627][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 451.750283][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 451.755480][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 451.761538][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 451.767147][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 451.773279][ T8551] __do_fast_syscall_32+0x102/0x160 [ 451.779338][ T8868] ? _copy_from_user+0x1fd/0x300 [ 451.784530][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 451.789440][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 451.794262][ T8551] do_SYSENTER_32+0x73/0x90 [ 451.799433][ T8868] __msan_chain_origin+0x57/0xa0 [ 451.803909][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 451.808814][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 451.815097][ T8551] [ 451.820197][ T8868] get_compat_msghdr+0x108/0x2b0 [ 451.822490][ T8551] Uninit was stored to memory at: [ 451.827412][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 451.832407][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 451.836882][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 451.842574][ T8551] __msan_chain_origin+0x57/0xa0 [ 451.847745][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 451.852654][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 451.858527][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 451.863623][ T8551] get_compat_msghdr+0x108/0x2b0 [ 451.868803][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 451.873725][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 451.879327][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 451.883806][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 451.889063][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 451.893712][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 451.898448][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 451.904490][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 451.909148][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 451.915292][ T8551] __do_fast_syscall_32+0x102/0x160 [ 451.920465][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 451.925664][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 451.930844][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 451.935668][ T8551] do_SYSENTER_32+0x73/0x90 [ 451.941717][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 451.946193][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 451.952318][ T8868] __do_fast_syscall_32+0x102/0x160 [ 451.958687][ T8551] [ 451.963873][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 451.966164][ T8551] Uninit was stored to memory at: [ 451.971000][ T8868] do_SYSENTER_32+0x73/0x90 [ 451.976008][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 451.980491][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 451.986179][ T8551] __msan_chain_origin+0x57/0xa0 [ 451.992476][ T8868] RIP: 0023:0xf7fcc549 [ 451.997387][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 452.001429][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 452.006512][ T8551] get_compat_msghdr+0x108/0x2b0 [ 452.026086][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 [ 452.030991][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 452.031008][ T8868] ORIG_RAX: 0000000000000151 [ 452.037053][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 452.041524][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 452.046177][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 452.050819][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 452.058776][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 452.064807][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 452.072767][ T8551] __do_fast_syscall_32+0x102/0x160 [ 452.078884][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 452.086837][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 452.092011][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 452.099965][ T8551] do_SYSENTER_32+0x73/0x90 [ 452.104777][ T8868] Uninit was stored to memory at: [ 452.112762][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 452.117235][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 452.122921][ T8551] [ 452.129232][ T8868] __msan_chain_origin+0x57/0xa0 [ 452.134912][ T8551] Uninit was stored to memory at: [ 452.137227][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 452.142144][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 452.147140][ T8868] get_compat_msghdr+0x108/0x2b0 [ 452.152222][ T8551] __msan_chain_origin+0x57/0xa0 [ 452.157914][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 452.162822][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 452.167731][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 452.172216][ T8551] get_compat_msghdr+0x108/0x2b0 [ 452.177301][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 452.181950][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 452.186858][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 452.192908][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 452.197385][ T8868] __do_fast_syscall_32+0x102/0x160 [ 452.203508][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 452.208171][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 452.213342][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 452.219382][ T8868] do_SYSENTER_32+0x73/0x90 [ 452.224987][ T8551] __do_fast_syscall_32+0x102/0x160 [ 452.231203][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 452.235686][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 452.240854][ T8868] [ 452.247167][ T8551] do_SYSENTER_32+0x73/0x90 [ 452.251983][ T8868] Uninit was stored to memory at: [ 452.254303][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 452.258775][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 452.263762][ T8551] [ 452.270417][ T8868] __msan_chain_origin+0x57/0xa0 [ 452.276098][ T8551] Uninit was stored to memory at: [ 452.278421][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 452.283357][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 452.288356][ T8868] get_compat_msghdr+0x108/0x2b0 [ 452.293439][ T8551] __msan_chain_origin+0x57/0xa0 [ 452.299136][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 452.304062][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 452.308971][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 452.313451][ T8551] get_compat_msghdr+0x108/0x2b0 [ 452.318536][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 452.323183][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 452.328095][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 452.334131][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 452.338608][ T8868] __do_fast_syscall_32+0x102/0x160 [ 452.344730][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 452.349379][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 452.354550][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 452.360589][ T8868] do_SYSENTER_32+0x73/0x90 [ 452.365412][ T8551] __do_fast_syscall_32+0x102/0x160 [ 452.371539][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 452.376026][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 452.381180][ T8868] [ 452.387492][ T8551] do_SYSENTER_32+0x73/0x90 [ 452.392301][ T8868] Uninit was stored to memory at: [ 452.394617][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 452.399087][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 452.404070][ T8551] [ 452.410376][ T8868] __msan_chain_origin+0x57/0xa0 [ 452.416057][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 452.418370][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 452.423281][ T8551] do_recvmmsg+0xbf/0x22f0 [ 452.429925][ T8868] get_compat_msghdr+0x108/0x2b0 [ 452.435011][ T8551] do_recvmmsg+0xbf/0x22f0 [ 452.439488][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 452.453386][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 452.458110][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 452.464268][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 452.470469][ T8868] __do_fast_syscall_32+0x102/0x160 [ 452.475672][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 452.480528][ T8868] do_SYSENTER_32+0x73/0x90 [ 452.485038][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 452.491352][ T8868] [ 452.493673][ T8868] Uninit was stored to memory at: [ 452.498700][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 452.504418][ T8868] __msan_chain_origin+0x57/0xa0 [ 452.509363][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 452.514476][ T8868] get_compat_msghdr+0x108/0x2b0 [ 452.519472][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 452.523976][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 452.528658][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 452.534726][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 452.540885][ T8868] __do_fast_syscall_32+0x102/0x160 [ 452.546088][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 452.550943][ T8868] do_SYSENTER_32+0x73/0x90 [ 452.555455][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 452.561826][ T8868] [ 452.564147][ T8868] Uninit was stored to memory at: [ 452.569181][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 452.574929][ T8868] __msan_chain_origin+0x57/0xa0 [ 452.579866][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 452.584981][ T8868] get_compat_msghdr+0x108/0x2b0 [ 452.589922][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 452.594429][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 452.599114][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 452.605183][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 452.611439][ T8868] __do_fast_syscall_32+0x102/0x160 [ 452.616644][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 452.621498][ T8868] do_SYSENTER_32+0x73/0x90 [ 452.626007][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 452.632320][ T8868] [ 452.634639][ T8868] Uninit was stored to memory at: [ 452.639665][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 452.645386][ T8868] __msan_chain_origin+0x57/0xa0 [ 452.650327][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 452.655530][ T8868] get_compat_msghdr+0x108/0x2b0 [ 452.660473][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 452.664981][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 452.669659][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 452.675729][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 452.681888][ T8868] __do_fast_syscall_32+0x102/0x160 [ 452.687088][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 452.691942][ T8868] do_SYSENTER_32+0x73/0x90 [ 452.696456][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 452.702767][ T8868] [ 452.705085][ T8868] Uninit was stored to memory at: [ 452.710208][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 452.715929][ T8868] __msan_chain_origin+0x57/0xa0 [ 452.720869][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 452.725984][ T8868] get_compat_msghdr+0x108/0x2b0 [ 452.730935][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 452.735454][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 452.740139][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 452.746213][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 452.752374][ T8868] __do_fast_syscall_32+0x102/0x160 [ 452.757578][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 452.762459][ T8868] do_SYSENTER_32+0x73/0x90 [ 452.766967][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 452.773281][ T8868] [ 452.775603][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 452.782278][ T8868] do_recvmmsg+0xbf/0x22f0 [ 452.786693][ T8868] do_recvmmsg+0xbf/0x22f0 [ 453.727514][ T8515] not chained 580000 origins [ 453.732150][ T8515] CPU: 1 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 453.740831][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 453.750892][ T8515] Call Trace: [ 453.754201][ T8515] dump_stack+0x21c/0x280 [ 453.758543][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 453.764270][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 453.769473][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 453.775285][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 453.780484][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 453.786294][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 453.792390][ T8515] ? __wake_up+0x1fc/0x250 [ 453.796808][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 453.802017][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 453.807828][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 453.813898][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 453.819100][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 453.824741][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 453.830811][ T8515] ? _copy_from_user+0x1fd/0x300 [ 453.835753][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 453.840952][ T8515] __msan_chain_origin+0x57/0xa0 [ 453.845890][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 453.851009][ T8515] get_compat_msghdr+0x108/0x2b0 [ 453.855950][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 453.860461][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 453.865668][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 453.871823][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 453.877027][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 453.882662][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 453.887979][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 453.892768][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 453.897456][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 453.902661][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 453.907872][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 453.914033][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 453.920233][ T8515] __do_fast_syscall_32+0x102/0x160 [ 453.925450][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 453.930334][ T8515] do_SYSENTER_32+0x73/0x90 [ 453.934849][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 453.941196][ T8515] RIP: 0023:0xf7fa1549 [ 453.945277][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 453.965079][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 453.973520][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 453.981510][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 453.989488][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 453.997464][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 454.005438][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 454.013412][ T8515] Uninit was stored to memory at: [ 454.018442][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 454.024159][ T8515] __msan_chain_origin+0x57/0xa0 [ 454.029096][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 454.034218][ T8515] get_compat_msghdr+0x108/0x2b0 [ 454.039153][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 454.043654][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 454.048330][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 454.054412][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 454.060567][ T8515] __do_fast_syscall_32+0x102/0x160 [ 454.065765][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 454.070616][ T8515] do_SYSENTER_32+0x73/0x90 [ 454.075122][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 454.081433][ T8515] [ 454.083756][ T8515] Uninit was stored to memory at: [ 454.088790][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 454.094522][ T8515] __msan_chain_origin+0x57/0xa0 [ 454.099465][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 454.104564][ T8515] get_compat_msghdr+0x108/0x2b0 [ 454.109491][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 454.113982][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 454.118674][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 454.124729][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 454.130873][ T8515] __do_fast_syscall_32+0x102/0x160 [ 454.136080][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 454.140922][ T8515] do_SYSENTER_32+0x73/0x90 [ 454.145420][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 454.151724][ T8515] [ 454.154037][ T8515] Uninit was stored to memory at: [ 454.159058][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 454.164766][ T8515] __msan_chain_origin+0x57/0xa0 [ 454.169716][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 454.174817][ T8515] get_compat_msghdr+0x108/0x2b0 [ 454.179744][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 454.184254][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 454.188930][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 454.194995][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 454.201143][ T8515] __do_fast_syscall_32+0x102/0x160 [ 454.206330][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 454.211174][ T8515] do_SYSENTER_32+0x73/0x90 [ 454.215668][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 454.221973][ T8515] [ 454.224290][ T8515] Uninit was stored to memory at: [ 454.229309][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 454.235016][ T8515] __msan_chain_origin+0x57/0xa0 [ 454.239939][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 454.245040][ T8515] get_compat_msghdr+0x108/0x2b0 [ 454.249968][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 454.254459][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 454.259126][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 454.265181][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 454.271325][ T8515] __do_fast_syscall_32+0x102/0x160 [ 454.276511][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 454.281436][ T8515] do_SYSENTER_32+0x73/0x90 [ 454.285930][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 454.292244][ T8515] [ 454.294565][ T8515] Uninit was stored to memory at: [ 454.299589][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 454.305318][ T8515] __msan_chain_origin+0x57/0xa0 [ 454.310264][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 454.315375][ T8515] get_compat_msghdr+0x108/0x2b0 [ 454.320304][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 454.324799][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 454.329467][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 454.335538][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 454.341681][ T8515] __do_fast_syscall_32+0x102/0x160 [ 454.346867][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 454.351707][ T8515] do_SYSENTER_32+0x73/0x90 [ 454.356203][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 454.362504][ T8515] [ 454.364814][ T8515] Uninit was stored to memory at: [ 454.369827][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 454.375531][ T8515] __msan_chain_origin+0x57/0xa0 [ 454.380458][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 454.385559][ T8515] get_compat_msghdr+0x108/0x2b0 [ 454.390487][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 454.394979][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 454.399643][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 454.405697][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 454.411840][ T8515] __do_fast_syscall_32+0x102/0x160 [ 454.417025][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 454.421864][ T8515] do_SYSENTER_32+0x73/0x90 [ 454.426359][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 454.432661][ T8515] [ 454.434971][ T8515] Uninit was stored to memory at: [ 454.439984][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 454.445688][ T8515] __msan_chain_origin+0x57/0xa0 [ 454.450615][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 454.455713][ T8515] get_compat_msghdr+0x108/0x2b0 [ 454.460638][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 454.465129][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 454.469796][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 454.475856][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 454.482087][ T8515] __do_fast_syscall_32+0x102/0x160 [ 454.487277][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 454.492118][ T8515] do_SYSENTER_32+0x73/0x90 [ 454.496612][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 454.503090][ T8515] [ 454.505403][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 454.512079][ T8515] do_recvmmsg+0xbf/0x22f0 [ 454.516483][ T8515] do_recvmmsg+0xbf/0x22f0 [ 455.079044][ T8868] not chained 590000 origins [ 455.083691][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 455.092361][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 455.102423][ T8868] Call Trace: [ 455.105729][ T8868] dump_stack+0x21c/0x280 [ 455.110084][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 455.115805][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 455.121006][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 455.126820][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 455.132023][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 455.137827][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 455.143899][ T8868] ? __wake_up+0x1fc/0x250 [ 455.148314][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 455.153511][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 455.159320][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 455.165386][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 455.170595][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 455.176235][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 455.182313][ T8868] ? _copy_from_user+0x1fd/0x300 [ 455.187254][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 455.192452][ T8868] __msan_chain_origin+0x57/0xa0 [ 455.197399][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 455.202520][ T8868] get_compat_msghdr+0x108/0x2b0 [ 455.207462][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 455.211990][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 455.217197][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 455.223102][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 455.228302][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 455.233937][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 455.239226][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 455.243995][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 455.248674][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 455.253897][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 455.259103][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 455.265278][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 455.271446][ T8868] __do_fast_syscall_32+0x102/0x160 [ 455.276653][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 455.281509][ T8868] do_SYSENTER_32+0x73/0x90 [ 455.286019][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 455.292348][ T8868] RIP: 0023:0xf7fcc549 [ 455.296423][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 455.316037][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 455.324464][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 455.332442][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 455.340412][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 455.348386][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 455.356356][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 455.364330][ T8868] Uninit was stored to memory at: [ 455.369363][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 455.375086][ T8868] __msan_chain_origin+0x57/0xa0 [ 455.380028][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 455.385140][ T8868] get_compat_msghdr+0x108/0x2b0 [ 455.390081][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 455.394582][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 455.399266][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 455.405337][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 455.411497][ T8868] __do_fast_syscall_32+0x102/0x160 [ 455.416707][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 455.421562][ T8868] do_SYSENTER_32+0x73/0x90 [ 455.426074][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 455.432386][ T8868] [ 455.434704][ T8868] Uninit was stored to memory at: [ 455.439726][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 455.445444][ T8868] __msan_chain_origin+0x57/0xa0 [ 455.454118][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 455.459230][ T8868] get_compat_msghdr+0x108/0x2b0 [ 455.464174][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 455.468678][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 455.473359][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 455.479425][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 455.485581][ T8868] __do_fast_syscall_32+0x102/0x160 [ 455.489024][ T8551] not chained 600000 origins [ 455.490786][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 455.495358][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 455.500183][ T8868] do_SYSENTER_32+0x73/0x90 [ 455.508814][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 455.513299][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 455.523922][ T8551] Call Trace: [ 455.530217][ T8868] [ 455.533490][ T8551] dump_stack+0x21c/0x280 [ 455.535780][ T8868] Uninit was stored to memory at: [ 455.540095][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 455.545085][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 455.550779][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 455.556468][ T8868] __msan_chain_origin+0x57/0xa0 [ 455.561638][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 455.566550][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 455.572327][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 455.577412][ T8868] get_compat_msghdr+0x108/0x2b0 [ 455.582583][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 455.587512][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 455.593291][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 455.597780][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 455.603820][ T8551] ? __wake_up+0x1fc/0x250 [ 455.608469][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 455.612854][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 455.618892][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 455.624061][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 455.630189][ T8868] __do_fast_syscall_32+0x102/0x160 [ 455.635975][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 455.641148][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 455.647183][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 455.652008][ T8868] do_SYSENTER_32+0x73/0x90 [ 455.657177][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 455.661655][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 455.667266][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 455.673545][ T8868] [ 455.679596][ T8551] ? _copy_from_user+0x1fd/0x300 [ 455.681893][ T8868] Uninit was stored to memory at: [ 455.686819][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 455.691822][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 455.697012][ T8551] __msan_chain_origin+0x57/0xa0 [ 455.702704][ T8868] __msan_chain_origin+0x57/0xa0 [ 455.707624][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 455.712536][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 455.717649][ T8551] get_compat_msghdr+0x108/0x2b0 [ 455.722735][ T8868] get_compat_msghdr+0x108/0x2b0 [ 455.727666][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 455.732575][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 455.737072][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 455.741560][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 455.746736][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 455.751398][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 455.757260][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 455.763328][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 455.768500][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 455.774639][ T8868] __do_fast_syscall_32+0x102/0x160 [ 455.780239][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 455.785414][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 455.790673][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 455.795497][ T8868] do_SYSENTER_32+0x73/0x90 [ 455.800250][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 455.804729][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 455.810050][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 455.816533][ T8868] [ 455.821727][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 455.824015][ T8868] Uninit was stored to memory at: [ 455.830154][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 455.835153][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 455.841193][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 455.846878][ T8868] __msan_chain_origin+0x57/0xa0 [ 455.853018][ T8551] __do_fast_syscall_32+0x102/0x160 [ 455.857920][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 455.863112][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 455.868191][ T8868] get_compat_msghdr+0x108/0x2b0 [ 455.873018][ T8551] do_SYSENTER_32+0x73/0x90 [ 455.877926][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 455.882406][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 455.886878][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 455.893195][ T8551] RIP: 0023:0xf7fa1549 [ 455.897874][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 455.901915][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 455.907958][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 455.927531][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 [ 455.933664][ T8868] __do_fast_syscall_32+0x102/0x160 [ 455.933682][ T8551] ORIG_RAX: 0000000000000151 [ 455.939729][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 455.944906][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 455.949647][ T8868] do_SYSENTER_32+0x73/0x90 [ 455.954811][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 455.962768][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 455.967249][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 455.975192][ T8868] [ 455.981496][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 455.989452][ T8868] Uninit was stored to memory at: [ 455.991763][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 455.999717][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 456.004703][ T8551] Uninit was stored to memory at: [ 456.012660][ T8868] __msan_chain_origin+0x57/0xa0 [ 456.018351][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 456.023364][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 456.028287][ T8551] __msan_chain_origin+0x57/0xa0 [ 456.033977][ T8868] get_compat_msghdr+0x108/0x2b0 [ 456.039067][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 456.043976][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 456.048884][ T8551] get_compat_msghdr+0x108/0x2b0 [ 456.053968][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 456.058443][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 456.063354][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 456.068017][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 456.072502][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 456.078542][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 456.083195][ T8868] __do_fast_syscall_32+0x102/0x160 [ 456.089321][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 456.095359][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 456.100531][ T8551] __do_fast_syscall_32+0x102/0x160 [ 456.106827][ T8868] do_SYSENTER_32+0x73/0x90 [ 456.111736][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 456.116908][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 456.121383][ T8551] do_SYSENTER_32+0x73/0x90 [ 456.126191][ T8868] [ 456.132515][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 456.136976][ T8868] Uninit was stored to memory at: [ 456.139277][ T8551] [ 456.145588][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 456.151269][ T8551] Uninit was stored to memory at: [ 456.153582][ T8868] __msan_chain_origin+0x57/0xa0 [ 456.159445][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 456.164440][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 456.169347][ T8551] __msan_chain_origin+0x57/0xa0 [ 456.175037][ T8868] get_compat_msghdr+0x108/0x2b0 [ 456.180110][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 456.180134][ T8551] get_compat_msghdr+0x108/0x2b0 [ 456.185083][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 456.189993][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 456.195075][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 456.199985][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 456.204481][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 456.208957][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 456.213606][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 456.218349][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 456.224389][ T8868] __do_fast_syscall_32+0x102/0x160 [ 456.230425][ T8551] __do_fast_syscall_32+0x102/0x160 [ 456.236550][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 456.242675][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 456.247843][ T8868] do_SYSENTER_32+0x73/0x90 [ 456.253013][ T8551] do_SYSENTER_32+0x73/0x90 [ 456.257838][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 456.262660][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 456.267120][ T8868] [ 456.271599][ T8551] [ 456.278158][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 456.284454][ T8551] Uninit was stored to memory at: [ 456.286768][ T8868] do_recvmmsg+0xbf/0x22f0 [ 456.289071][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 456.295715][ T8868] do_recvmmsg+0xbf/0x22f0 [ 456.300709][ T8551] __msan_chain_origin+0x57/0xa0 [ 456.320133][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 456.325263][ T8551] get_compat_msghdr+0x108/0x2b0 [ 456.330205][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 456.334756][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 456.339513][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 456.345625][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 456.351787][ T8551] __do_fast_syscall_32+0x102/0x160 [ 456.356989][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 456.361848][ T8551] do_SYSENTER_32+0x73/0x90 [ 456.366359][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 456.372674][ T8551] [ 456.374993][ T8551] Uninit was stored to memory at: [ 456.380024][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 456.385752][ T8551] __msan_chain_origin+0x57/0xa0 [ 456.390692][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 456.395806][ T8551] get_compat_msghdr+0x108/0x2b0 [ 456.400765][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 456.405271][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 456.409994][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 456.416065][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 456.422224][ T8551] __do_fast_syscall_32+0x102/0x160 [ 456.427426][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 456.432334][ T8551] do_SYSENTER_32+0x73/0x90 [ 456.436845][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 456.443160][ T8551] [ 456.445481][ T8551] Uninit was stored to memory at: [ 456.450506][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 456.456228][ T8551] __msan_chain_origin+0x57/0xa0 [ 456.461172][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 456.466285][ T8551] get_compat_msghdr+0x108/0x2b0 [ 456.471242][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 456.475747][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 456.480460][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 456.486532][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 456.492756][ T8551] __do_fast_syscall_32+0x102/0x160 [ 456.497958][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 456.502813][ T8551] do_SYSENTER_32+0x73/0x90 [ 456.507324][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 456.513638][ T8551] [ 456.515961][ T8551] Uninit was stored to memory at: [ 456.520989][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 456.526704][ T8551] __msan_chain_origin+0x57/0xa0 [ 456.531731][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 456.536959][ T8551] get_compat_msghdr+0x108/0x2b0 [ 456.541989][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 456.546493][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 456.551176][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 456.557250][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 456.563419][ T8551] __do_fast_syscall_32+0x102/0x160 [ 456.568626][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 456.573480][ T8551] do_SYSENTER_32+0x73/0x90 [ 456.577988][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 456.584325][ T8551] [ 456.589625][ T8551] Uninit was stored to memory at: [ 456.594654][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 456.600391][ T8551] __msan_chain_origin+0x57/0xa0 [ 456.605336][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 456.610451][ T8551] get_compat_msghdr+0x108/0x2b0 [ 456.615422][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 456.619932][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 456.624626][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 456.630698][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 456.636854][ T8551] __do_fast_syscall_32+0x102/0x160 [ 456.642059][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 456.646911][ T8551] do_SYSENTER_32+0x73/0x90 [ 456.651422][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 456.657735][ T8551] [ 456.660055][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 456.666729][ T8551] do_recvmmsg+0xbf/0x22f0 [ 456.671324][ T8551] do_recvmmsg+0xbf/0x22f0 [ 457.453194][ T8515] not chained 610000 origins [ 457.457834][ T8515] CPU: 1 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 457.466512][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 457.476576][ T8515] Call Trace: [ 457.479879][ T8515] dump_stack+0x21c/0x280 [ 457.484212][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 457.489933][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 457.495146][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 457.500952][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 457.506150][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 457.511955][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 457.518023][ T8515] ? __wake_up+0x1fc/0x250 [ 457.522440][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 457.527639][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 457.533444][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 457.539511][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 457.544709][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 457.550347][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 457.556421][ T8515] ? _copy_from_user+0x1fd/0x300 [ 457.561361][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 457.566568][ T8515] __msan_chain_origin+0x57/0xa0 [ 457.571518][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 457.576638][ T8515] get_compat_msghdr+0x108/0x2b0 [ 457.581583][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 457.586095][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 457.591294][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 457.597450][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 457.602648][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 457.608277][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 457.613568][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 457.618337][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 457.623015][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 457.628212][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 457.633416][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 457.639486][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 457.645644][ T8515] __do_fast_syscall_32+0x102/0x160 [ 457.650849][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 457.655701][ T8515] do_SYSENTER_32+0x73/0x90 [ 457.660209][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 457.666544][ T8515] RIP: 0023:0xf7fa1549 [ 457.670620][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 457.690240][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 457.698665][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 457.706642][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 457.714618][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 457.722600][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 457.730585][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 457.738566][ T8515] Uninit was stored to memory at: [ 457.743608][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 457.749328][ T8515] __msan_chain_origin+0x57/0xa0 [ 457.754268][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 457.759513][ T8515] get_compat_msghdr+0x108/0x2b0 [ 457.764464][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 457.768977][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 457.773667][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 457.779744][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 457.785906][ T8515] __do_fast_syscall_32+0x102/0x160 [ 457.791205][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 457.796061][ T8515] do_SYSENTER_32+0x73/0x90 [ 457.800570][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 457.806879][ T8515] [ 457.809201][ T8515] Uninit was stored to memory at: [ 457.814229][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 457.819945][ T8515] __msan_chain_origin+0x57/0xa0 [ 457.824883][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 457.829989][ T8515] get_compat_msghdr+0x108/0x2b0 [ 457.834925][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 457.839430][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 457.844105][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 457.850171][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 457.856326][ T8515] __do_fast_syscall_32+0x102/0x160 [ 457.861525][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 457.866377][ T8515] do_SYSENTER_32+0x73/0x90 [ 457.870890][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 457.877203][ T8515] [ 457.879523][ T8515] Uninit was stored to memory at: [ 457.884548][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 457.890264][ T8515] __msan_chain_origin+0x57/0xa0 [ 457.895221][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 457.900330][ T8515] get_compat_msghdr+0x108/0x2b0 [ 457.905268][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 457.909770][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 457.914451][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 457.920532][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 457.926795][ T8515] __do_fast_syscall_32+0x102/0x160 [ 457.932002][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 457.936862][ T8515] do_SYSENTER_32+0x73/0x90 [ 457.941376][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 457.947692][ T8515] [ 457.950013][ T8515] Uninit was stored to memory at: [ 457.955043][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 457.960761][ T8515] __msan_chain_origin+0x57/0xa0 [ 457.965697][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 457.970820][ T8515] get_compat_msghdr+0x108/0x2b0 [ 457.975764][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 457.980273][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 457.984956][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 457.991033][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 457.997190][ T8515] __do_fast_syscall_32+0x102/0x160 [ 458.002488][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 458.007340][ T8515] do_SYSENTER_32+0x73/0x90 [ 458.011846][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 458.018158][ T8515] [ 458.020477][ T8515] Uninit was stored to memory at: [ 458.025499][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 458.031220][ T8515] __msan_chain_origin+0x57/0xa0 [ 458.036165][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 458.041276][ T8515] get_compat_msghdr+0x108/0x2b0 [ 458.046214][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 458.050722][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 458.055399][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 458.061468][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 458.067623][ T8515] __do_fast_syscall_32+0x102/0x160 [ 458.072825][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 458.077682][ T8515] do_SYSENTER_32+0x73/0x90 [ 458.082193][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 458.088505][ T8515] [ 458.090848][ T8515] Uninit was stored to memory at: [ 458.095873][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 458.101589][ T8515] __msan_chain_origin+0x57/0xa0 [ 458.106527][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 458.111638][ T8515] get_compat_msghdr+0x108/0x2b0 [ 458.116575][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 458.121076][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 458.125755][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 458.131823][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 458.137978][ T8515] __do_fast_syscall_32+0x102/0x160 [ 458.143180][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 458.148031][ T8515] do_SYSENTER_32+0x73/0x90 [ 458.152542][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 458.158853][ T8515] [ 458.161170][ T8515] Uninit was stored to memory at: [ 458.166199][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 458.171917][ T8515] __msan_chain_origin+0x57/0xa0 [ 458.176857][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 458.181974][ T8515] get_compat_msghdr+0x108/0x2b0 [ 458.186912][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 458.191414][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 458.196094][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 458.202164][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 458.208318][ T8515] __do_fast_syscall_32+0x102/0x160 [ 458.213523][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 458.218376][ T8515] do_SYSENTER_32+0x73/0x90 [ 458.222887][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 458.229198][ T8515] [ 458.231522][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 458.238203][ T8515] do_recvmmsg+0xbf/0x22f0 [ 458.242624][ T8515] do_recvmmsg+0xbf/0x22f0 [ 458.267430][ T8868] not chained 620000 origins [ 458.272061][ T8868] CPU: 0 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 458.280752][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 458.290813][ T8868] Call Trace: [ 458.294121][ T8868] dump_stack+0x21c/0x280 [ 458.298462][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 458.304188][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 458.309391][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 458.315202][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 458.320403][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 458.326211][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 458.332291][ T8868] ? __wake_up+0x1fc/0x250 [ 458.336716][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 458.341937][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 458.347748][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 458.353836][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 458.359036][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 458.364679][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 458.370754][ T8868] ? _copy_from_user+0x1fd/0x300 [ 458.375693][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 458.380894][ T8868] __msan_chain_origin+0x57/0xa0 [ 458.385844][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 458.390967][ T8868] get_compat_msghdr+0x108/0x2b0 [ 458.395913][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 458.400434][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 458.405639][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 458.411537][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 458.416738][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 458.422374][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 458.427661][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 458.432427][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 458.437108][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 458.442313][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 458.447519][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 458.453592][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 458.459756][ T8868] __do_fast_syscall_32+0x102/0x160 [ 458.464965][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 458.469822][ T8868] do_SYSENTER_32+0x73/0x90 [ 458.474335][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 458.480674][ T8868] RIP: 0023:0xf7fcc549 [ 458.484750][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 458.504367][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 458.512789][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 458.520764][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 458.528830][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 458.536805][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 458.544775][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 458.552763][ T8868] Uninit was stored to memory at: [ 458.557794][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 458.563515][ T8868] __msan_chain_origin+0x57/0xa0 [ 458.568517][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 458.573630][ T8868] get_compat_msghdr+0x108/0x2b0 [ 458.578572][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 458.583081][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 458.587765][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 458.593838][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 458.600005][ T8868] __do_fast_syscall_32+0x102/0x160 [ 458.605240][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 458.610095][ T8868] do_SYSENTER_32+0x73/0x90 [ 458.614609][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 458.620924][ T8868] [ 458.623245][ T8868] Uninit was stored to memory at: [ 458.628270][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 458.633989][ T8868] __msan_chain_origin+0x57/0xa0 [ 458.638934][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 458.644049][ T8868] get_compat_msghdr+0x108/0x2b0 [ 458.648986][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 458.653490][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 458.658168][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 458.664236][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 458.670395][ T8868] __do_fast_syscall_32+0x102/0x160 [ 458.675598][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 458.680452][ T8868] do_SYSENTER_32+0x73/0x90 [ 458.684962][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 458.691277][ T8868] [ 458.693599][ T8868] Uninit was stored to memory at: [ 458.698625][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 458.704342][ T8868] __msan_chain_origin+0x57/0xa0 [ 458.709282][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 458.714396][ T8868] get_compat_msghdr+0x108/0x2b0 [ 458.719335][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 458.723840][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 458.728521][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 458.734592][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 458.740928][ T8868] __do_fast_syscall_32+0x102/0x160 [ 458.746129][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 458.750992][ T8868] do_SYSENTER_32+0x73/0x90 [ 458.755851][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 458.762169][ T8868] [ 458.764497][ T8868] Uninit was stored to memory at: [ 458.769527][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 458.775249][ T8868] __msan_chain_origin+0x57/0xa0 [ 458.780198][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 458.785312][ T8868] get_compat_msghdr+0x108/0x2b0 [ 458.790338][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 458.794845][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 458.799525][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 458.805595][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 458.811754][ T8868] __do_fast_syscall_32+0x102/0x160 [ 458.816955][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 458.821807][ T8868] do_SYSENTER_32+0x73/0x90 [ 458.826319][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 458.832632][ T8868] [ 458.834953][ T8868] Uninit was stored to memory at: [ 458.839983][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 458.845700][ T8868] __msan_chain_origin+0x57/0xa0 [ 458.850646][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 458.855765][ T8868] get_compat_msghdr+0x108/0x2b0 [ 458.860707][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 458.865213][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 458.869909][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 458.875980][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 458.882195][ T8868] __do_fast_syscall_32+0x102/0x160 [ 458.887420][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 458.892279][ T8868] do_SYSENTER_32+0x73/0x90 [ 458.896795][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 458.903111][ T8868] [ 458.905432][ T8868] Uninit was stored to memory at: [ 458.910498][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 458.916338][ T8868] __msan_chain_origin+0x57/0xa0 [ 458.921283][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 458.926395][ T8868] get_compat_msghdr+0x108/0x2b0 [ 458.931340][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 458.935845][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 458.940549][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 458.946618][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 458.952780][ T8868] __do_fast_syscall_32+0x102/0x160 [ 458.957990][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 458.962878][ T8868] do_SYSENTER_32+0x73/0x90 [ 458.967387][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 458.973700][ T8868] [ 458.976025][ T8868] Uninit was stored to memory at: [ 458.981055][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 458.986776][ T8868] __msan_chain_origin+0x57/0xa0 [ 458.991734][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 458.996846][ T8868] get_compat_msghdr+0x108/0x2b0 [ 459.001816][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 459.006320][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 459.011000][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 459.017087][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 459.023290][ T8868] __do_fast_syscall_32+0x102/0x160 [ 459.028659][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 459.033513][ T8868] do_SYSENTER_32+0x73/0x90 [ 459.038026][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 459.044341][ T8868] [ 459.046666][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 459.053339][ T8868] do_recvmmsg+0xbf/0x22f0 [ 459.057758][ T8868] do_recvmmsg+0xbf/0x22f0 [ 459.435117][ T8551] not chained 630000 origins [ 459.439831][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 459.448497][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 459.458576][ T8551] Call Trace: [ 459.461981][ T8551] dump_stack+0x21c/0x280 [ 459.466304][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 459.472010][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 459.477202][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 459.482994][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 459.488186][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 459.493995][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 459.500055][ T8551] ? __wake_up+0x1fc/0x250 [ 459.504461][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 459.509649][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 459.515444][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 459.521508][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 459.526693][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 459.532319][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 459.538373][ T8551] ? _copy_from_user+0x1fd/0x300 [ 459.543298][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 459.548482][ T8551] __msan_chain_origin+0x57/0xa0 [ 459.553412][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 459.558516][ T8551] get_compat_msghdr+0x108/0x2b0 [ 459.563537][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 459.568037][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 459.573224][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 459.579107][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 459.584308][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 459.589927][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 459.595200][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 459.599962][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 459.604628][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 459.609815][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 459.615007][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 459.621084][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 459.627228][ T8551] __do_fast_syscall_32+0x102/0x160 [ 459.632421][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 459.637263][ T8551] do_SYSENTER_32+0x73/0x90 [ 459.641760][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 459.648072][ T8551] RIP: 0023:0xf7fa1549 [ 459.652133][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 459.671728][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 459.680132][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 459.688107][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 459.696067][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 459.704030][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 459.712002][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 459.719978][ T8551] Uninit was stored to memory at: [ 459.725014][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 459.730735][ T8551] __msan_chain_origin+0x57/0xa0 [ 459.735674][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 459.740781][ T8551] get_compat_msghdr+0x108/0x2b0 [ 459.745712][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 459.750205][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 459.754874][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 459.760933][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 459.767084][ T8551] __do_fast_syscall_32+0x102/0x160 [ 459.772274][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 459.777118][ T8551] do_SYSENTER_32+0x73/0x90 [ 459.781613][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 459.787916][ T8551] [ 459.790227][ T8551] Uninit was stored to memory at: [ 459.795241][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 459.800947][ T8551] __msan_chain_origin+0x57/0xa0 [ 459.805873][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 459.811669][ T8551] get_compat_msghdr+0x108/0x2b0 [ 459.816609][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 459.821111][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 459.825793][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 459.831857][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 459.838001][ T8551] __do_fast_syscall_32+0x102/0x160 [ 459.843190][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 459.848029][ T8551] do_SYSENTER_32+0x73/0x90 [ 459.852521][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 459.858822][ T8551] [ 459.861131][ T8551] Uninit was stored to memory at: [ 459.866144][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 459.871848][ T8551] __msan_chain_origin+0x57/0xa0 [ 459.876772][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 459.881893][ T8551] get_compat_msghdr+0x108/0x2b0 [ 459.886819][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 459.891311][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 459.895976][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 459.902029][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 459.908181][ T8551] __do_fast_syscall_32+0x102/0x160 [ 459.913454][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 459.918293][ T8551] do_SYSENTER_32+0x73/0x90 [ 459.922801][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 459.929118][ T8551] [ 459.931454][ T8551] Uninit was stored to memory at: [ 459.936481][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 459.942192][ T8551] __msan_chain_origin+0x57/0xa0 [ 459.947120][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 459.952233][ T8551] get_compat_msghdr+0x108/0x2b0 [ 459.957160][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 459.961651][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 459.966321][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 459.972380][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 459.978538][ T8551] __do_fast_syscall_32+0x102/0x160 [ 459.983813][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 459.988651][ T8551] do_SYSENTER_32+0x73/0x90 [ 459.993145][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 459.999449][ T8551] [ 460.001761][ T8551] Uninit was stored to memory at: [ 460.006773][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 460.012476][ T8551] __msan_chain_origin+0x57/0xa0 [ 460.017403][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 460.022501][ T8551] get_compat_msghdr+0x108/0x2b0 [ 460.027427][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 460.031925][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 460.036596][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 460.042651][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 460.048810][ T8551] __do_fast_syscall_32+0x102/0x160 [ 460.053997][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 460.058835][ T8551] do_SYSENTER_32+0x73/0x90 [ 460.063327][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 460.069629][ T8551] [ 460.071939][ T8551] Uninit was stored to memory at: [ 460.076951][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 460.082655][ T8551] __msan_chain_origin+0x57/0xa0 [ 460.087583][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 460.092680][ T8551] get_compat_msghdr+0x108/0x2b0 [ 460.097604][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 460.102096][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 460.106764][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 460.112819][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 460.118963][ T8551] __do_fast_syscall_32+0x102/0x160 [ 460.124151][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 460.128990][ T8551] do_SYSENTER_32+0x73/0x90 [ 460.133482][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 460.139784][ T8551] [ 460.142095][ T8551] Uninit was stored to memory at: [ 460.147106][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 460.152810][ T8551] __msan_chain_origin+0x57/0xa0 [ 460.157734][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 460.162831][ T8551] get_compat_msghdr+0x108/0x2b0 [ 460.167755][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 460.172248][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 460.176914][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 460.182968][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 460.189111][ T8551] __do_fast_syscall_32+0x102/0x160 [ 460.194311][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 460.199152][ T8551] do_SYSENTER_32+0x73/0x90 [ 460.203658][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 460.209960][ T8551] [ 460.212271][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 460.218932][ T8551] do_recvmmsg+0xbf/0x22f0 [ 460.223335][ T8551] do_recvmmsg+0xbf/0x22f0 [ 460.452990][ T8868] not chained 640000 origins [ 460.457629][ T8868] CPU: 0 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 460.466382][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 460.476437][ T8868] Call Trace: [ 460.479741][ T8868] dump_stack+0x21c/0x280 [ 460.484081][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 460.489808][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 460.495012][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 460.500820][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 460.506027][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 460.511837][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 460.517908][ T8868] ? __wake_up+0x1fc/0x250 [ 460.522340][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 460.527541][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 460.533356][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 460.539426][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 460.544631][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 460.550273][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 460.556346][ T8868] ? _copy_from_user+0x1fd/0x300 [ 460.561311][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 460.566511][ T8868] __msan_chain_origin+0x57/0xa0 [ 460.571452][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 460.576613][ T8868] get_compat_msghdr+0x108/0x2b0 [ 460.581566][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 460.586080][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 460.591280][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 460.597264][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 460.602468][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 460.608183][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 460.613479][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 460.618280][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 460.622968][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 460.628171][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 460.633380][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 460.639460][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 460.645620][ T8868] __do_fast_syscall_32+0x102/0x160 [ 460.650825][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 460.655685][ T8868] do_SYSENTER_32+0x73/0x90 [ 460.660199][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 460.666526][ T8868] RIP: 0023:0xf7fcc549 [ 460.670642][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 460.690252][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 460.698689][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 460.706673][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 460.714657][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 460.722636][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 460.730628][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 460.738600][ T8868] Uninit was stored to memory at: [ 460.743631][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 460.749362][ T8868] __msan_chain_origin+0x57/0xa0 [ 460.754307][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 460.759426][ T8868] get_compat_msghdr+0x108/0x2b0 [ 460.764367][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 460.768873][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 460.773560][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 460.779652][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 460.785813][ T8868] __do_fast_syscall_32+0x102/0x160 [ 460.791028][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 460.795909][ T8868] do_SYSENTER_32+0x73/0x90 [ 460.800413][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 460.806726][ T8868] [ 460.809049][ T8868] Uninit was stored to memory at: [ 460.814089][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 460.819832][ T8868] __msan_chain_origin+0x57/0xa0 [ 460.824774][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 460.829902][ T8868] get_compat_msghdr+0x108/0x2b0 [ 460.834852][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 460.839363][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 460.844059][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 460.850145][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 460.856385][ T8868] __do_fast_syscall_32+0x102/0x160 [ 460.861685][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 460.866539][ T8868] do_SYSENTER_32+0x73/0x90 [ 460.871071][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 460.877388][ T8868] [ 460.879714][ T8868] Uninit was stored to memory at: [ 460.884743][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 460.890466][ T8868] __msan_chain_origin+0x57/0xa0 [ 460.895505][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 460.900613][ T8868] get_compat_msghdr+0x108/0x2b0 [ 460.905557][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 460.910064][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 460.914836][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 460.920911][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 460.927281][ T8868] __do_fast_syscall_32+0x102/0x160 [ 460.932493][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 460.937353][ T8868] do_SYSENTER_32+0x73/0x90 [ 460.941870][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 460.948190][ T8868] [ 460.950510][ T8868] Uninit was stored to memory at: [ 460.955539][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 460.961258][ T8868] __msan_chain_origin+0x57/0xa0 [ 460.966376][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 460.971495][ T8868] get_compat_msghdr+0x108/0x2b0 [ 460.976452][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 460.980964][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 460.985737][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 460.991813][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 460.997974][ T8868] __do_fast_syscall_32+0x102/0x160 [ 461.003212][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 461.008092][ T8868] do_SYSENTER_32+0x73/0x90 [ 461.012643][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 461.018956][ T8868] [ 461.021281][ T8868] Uninit was stored to memory at: [ 461.026306][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 461.032022][ T8868] __msan_chain_origin+0x57/0xa0 [ 461.036963][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 461.042078][ T8868] get_compat_msghdr+0x108/0x2b0 [ 461.047023][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 461.051713][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 461.056395][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 461.062465][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 461.068620][ T8868] __do_fast_syscall_32+0x102/0x160 [ 461.073822][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 461.078673][ T8868] do_SYSENTER_32+0x73/0x90 [ 461.083186][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 461.089502][ T8868] [ 461.091826][ T8868] Uninit was stored to memory at: [ 461.096851][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 461.102569][ T8868] __msan_chain_origin+0x57/0xa0 [ 461.107509][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 461.112625][ T8868] get_compat_msghdr+0x108/0x2b0 [ 461.117564][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 461.122068][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 461.126745][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 461.132815][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 461.138985][ T8868] __do_fast_syscall_32+0x102/0x160 [ 461.144190][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 461.149045][ T8868] do_SYSENTER_32+0x73/0x90 [ 461.153591][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 461.159910][ T8868] [ 461.162232][ T8868] Uninit was stored to memory at: [ 461.167262][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 461.173049][ T8868] __msan_chain_origin+0x57/0xa0 [ 461.177992][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 461.183109][ T8868] get_compat_msghdr+0x108/0x2b0 [ 461.188053][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 461.192555][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 461.197236][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 461.203309][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 461.209745][ T8868] __do_fast_syscall_32+0x102/0x160 [ 461.214991][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 461.219852][ T8868] do_SYSENTER_32+0x73/0x90 [ 461.224369][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 461.230703][ T8868] [ 461.233031][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 461.239884][ T8868] do_recvmmsg+0xbf/0x22f0 [ 461.244309][ T8868] do_recvmmsg+0xbf/0x22f0 [ 461.460171][ T8551] not chained 650000 origins [ 461.464805][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 461.473550][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 461.483608][ T8551] Call Trace: [ 461.486911][ T8551] dump_stack+0x21c/0x280 [ 461.491254][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 461.496975][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 461.502177][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 461.508392][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 461.513600][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 461.519502][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 461.525586][ T8551] ? __wake_up+0x1fc/0x250 [ 461.530024][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 461.535249][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 461.541085][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 461.547289][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 461.552502][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 461.558154][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 461.564324][ T8551] ? _copy_from_user+0x1fd/0x300 [ 461.569270][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 461.574480][ T8551] __msan_chain_origin+0x57/0xa0 [ 461.579514][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 461.584646][ T8551] get_compat_msghdr+0x108/0x2b0 [ 461.589718][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 461.594238][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 461.599471][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 461.605387][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 461.610612][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 461.616251][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 461.621541][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 461.626393][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 461.631083][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 461.636303][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 461.641548][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 461.647630][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 461.653802][ T8551] __do_fast_syscall_32+0x102/0x160 [ 461.659008][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 461.663871][ T8551] do_SYSENTER_32+0x73/0x90 [ 461.668391][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 461.674744][ T8551] RIP: 0023:0xf7fa1549 [ 461.679076][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 461.698688][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 461.707115][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 461.715093][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 461.723069][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 461.731039][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 461.739011][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 461.746986][ T8551] Uninit was stored to memory at: [ 461.752026][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 461.757749][ T8551] __msan_chain_origin+0x57/0xa0 [ 461.762706][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 461.767821][ T8551] get_compat_msghdr+0x108/0x2b0 [ 461.772770][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 461.777284][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 461.781971][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 461.788037][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 461.794201][ T8551] __do_fast_syscall_32+0x102/0x160 [ 461.799412][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 461.804271][ T8551] do_SYSENTER_32+0x73/0x90 [ 461.808774][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 461.815147][ T8551] [ 461.817471][ T8551] Uninit was stored to memory at: [ 461.822502][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 461.828221][ T8551] __msan_chain_origin+0x57/0xa0 [ 461.833168][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 461.838293][ T8551] get_compat_msghdr+0x108/0x2b0 [ 461.843232][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 461.847739][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 461.852425][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 461.858491][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 461.864653][ T8551] __do_fast_syscall_32+0x102/0x160 [ 461.869856][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 461.874709][ T8551] do_SYSENTER_32+0x73/0x90 [ 461.879214][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 461.885527][ T8551] [ 461.887849][ T8551] Uninit was stored to memory at: [ 461.892884][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 461.898599][ T8551] __msan_chain_origin+0x57/0xa0 [ 461.903537][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 461.908647][ T8551] get_compat_msghdr+0x108/0x2b0 [ 461.913590][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 461.918095][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 461.922784][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 461.928945][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 461.935108][ T8551] __do_fast_syscall_32+0x102/0x160 [ 461.940313][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 461.945170][ T8551] do_SYSENTER_32+0x73/0x90 [ 461.949685][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 461.956074][ T8551] [ 461.958396][ T8551] Uninit was stored to memory at: [ 461.963426][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 461.969169][ T8551] __msan_chain_origin+0x57/0xa0 [ 461.974108][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 461.979303][ T8551] get_compat_msghdr+0x108/0x2b0 [ 461.984246][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 461.988869][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 461.993552][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 461.999621][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 462.005784][ T8551] __do_fast_syscall_32+0x102/0x160 [ 462.010984][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 462.015839][ T8551] do_SYSENTER_32+0x73/0x90 [ 462.020349][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 462.026660][ T8551] [ 462.028983][ T8551] Uninit was stored to memory at: [ 462.034013][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 462.039736][ T8551] __msan_chain_origin+0x57/0xa0 [ 462.044692][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 462.049801][ T8551] get_compat_msghdr+0x108/0x2b0 [ 462.054743][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 462.059247][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 462.063930][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 462.070007][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 462.076168][ T8551] __do_fast_syscall_32+0x102/0x160 [ 462.081365][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 462.086220][ T8551] do_SYSENTER_32+0x73/0x90 [ 462.090731][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 462.097040][ T8551] [ 462.099360][ T8551] Uninit was stored to memory at: [ 462.104387][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 462.110103][ T8551] __msan_chain_origin+0x57/0xa0 [ 462.115044][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 462.120162][ T8551] get_compat_msghdr+0x108/0x2b0 [ 462.125114][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 462.129615][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 462.134349][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 462.140452][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 462.146617][ T8551] __do_fast_syscall_32+0x102/0x160 [ 462.151818][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 462.156670][ T8551] do_SYSENTER_32+0x73/0x90 [ 462.161179][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 462.167494][ T8551] [ 462.169813][ T8551] Uninit was stored to memory at: [ 462.174839][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 462.180556][ T8551] __msan_chain_origin+0x57/0xa0 [ 462.185496][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 462.190606][ T8551] get_compat_msghdr+0x108/0x2b0 [ 462.195544][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 462.200049][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 462.204728][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 462.210794][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 462.216951][ T8551] __do_fast_syscall_32+0x102/0x160 [ 462.222151][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 462.227002][ T8551] do_SYSENTER_32+0x73/0x90 [ 462.231505][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 462.237815][ T8551] [ 462.240137][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 462.246812][ T8551] do_recvmmsg+0xbf/0x22f0 [ 462.251230][ T8551] do_recvmmsg+0xbf/0x22f0 [ 462.489709][ T8515] not chained 660000 origins [ 462.494344][ T8515] CPU: 0 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 462.503019][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 462.513076][ T8515] Call Trace: [ 462.516371][ T8515] dump_stack+0x21c/0x280 [ 462.520710][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 462.526428][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 462.531626][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 462.537435][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 462.542643][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 462.548453][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 462.554530][ T8515] ? __wake_up+0x1fc/0x250 [ 462.558950][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 462.564156][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 462.569962][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 462.576030][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 462.581264][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 462.586910][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 462.592987][ T8515] ? _copy_from_user+0x1fd/0x300 [ 462.597928][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 462.603126][ T8515] __msan_chain_origin+0x57/0xa0 [ 462.608070][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 462.613192][ T8515] get_compat_msghdr+0x108/0x2b0 [ 462.618132][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 462.622640][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 462.627843][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 462.634001][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 462.639200][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 462.644831][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 462.650116][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 462.654883][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 462.659566][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 462.664768][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 462.669973][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 462.676050][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 462.682215][ T8515] __do_fast_syscall_32+0x102/0x160 [ 462.687423][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 462.692281][ T8515] do_SYSENTER_32+0x73/0x90 [ 462.696791][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 462.703115][ T8515] RIP: 0023:0xf7fa1549 [ 462.707275][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 462.726977][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 462.735407][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 462.743390][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 462.751369][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 462.759343][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 462.767320][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 462.775297][ T8515] Uninit was stored to memory at: [ 462.780329][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 462.786053][ T8515] __msan_chain_origin+0x57/0xa0 [ 462.790995][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 462.796342][ T8515] get_compat_msghdr+0x108/0x2b0 [ 462.801283][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 462.805786][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 462.810462][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 462.816526][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 462.822682][ T8515] __do_fast_syscall_32+0x102/0x160 [ 462.827883][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 462.832738][ T8515] do_SYSENTER_32+0x73/0x90 [ 462.837246][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 462.843554][ T8515] [ 462.845873][ T8515] Uninit was stored to memory at: [ 462.850899][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 462.856616][ T8515] __msan_chain_origin+0x57/0xa0 [ 462.861557][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 462.866670][ T8515] get_compat_msghdr+0x108/0x2b0 [ 462.871611][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 462.876117][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 462.880887][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 462.886977][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 462.893148][ T8515] __do_fast_syscall_32+0x102/0x160 [ 462.898362][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 462.903341][ T8515] do_SYSENTER_32+0x73/0x90 [ 462.907856][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 462.914176][ T8515] [ 462.916508][ T8515] Uninit was stored to memory at: [ 462.921651][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 462.927564][ T8515] __msan_chain_origin+0x57/0xa0 [ 462.932510][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 462.937628][ T8515] get_compat_msghdr+0x108/0x2b0 [ 462.942578][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 462.947085][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 462.951766][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 462.957838][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 462.964001][ T8515] __do_fast_syscall_32+0x102/0x160 [ 462.969206][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 462.974061][ T8515] do_SYSENTER_32+0x73/0x90 [ 462.978566][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 462.984877][ T8515] [ 462.987204][ T8515] Uninit was stored to memory at: [ 462.992234][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 462.997950][ T8515] __msan_chain_origin+0x57/0xa0 [ 463.002886][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 463.008000][ T8515] get_compat_msghdr+0x108/0x2b0 [ 463.012944][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 463.017453][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 463.022137][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 463.028207][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 463.034363][ T8515] __do_fast_syscall_32+0x102/0x160 [ 463.039629][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 463.044485][ T8515] do_SYSENTER_32+0x73/0x90 [ 463.048990][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 463.055302][ T8515] [ 463.057621][ T8515] Uninit was stored to memory at: [ 463.062646][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 463.068361][ T8515] __msan_chain_origin+0x57/0xa0 [ 463.073301][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 463.078414][ T8515] get_compat_msghdr+0x108/0x2b0 [ 463.083355][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 463.087528][ T8868] not chained 670000 origins [ 463.087865][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 463.092438][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 463.097092][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 463.105723][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 463.111769][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 463.121788][ T8868] Call Trace: [ 463.128016][ T8515] __do_fast_syscall_32+0x102/0x160 [ 463.131274][ T8868] dump_stack+0x21c/0x280 [ 463.136443][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 463.140854][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 463.145677][ T8515] do_SYSENTER_32+0x73/0x90 [ 463.151369][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 463.155848][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 463.161014][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 463.167299][ T8515] [ 463.173088][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 463.175383][ T8515] Uninit was stored to memory at: [ 463.180561][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 463.185581][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 463.191359][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 463.197047][ T8515] __msan_chain_origin+0x57/0xa0 [ 463.203115][ T8868] ? __wake_up+0x1fc/0x250 [ 463.208020][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 463.212427][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 463.217591][ T8515] get_compat_msghdr+0x108/0x2b0 [ 463.222761][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 463.227681][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 463.233458][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 463.237936][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 463.244060][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 463.248709][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 463.253876][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 463.259919][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 463.265522][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 463.271649][ T8515] __do_fast_syscall_32+0x102/0x160 [ 463.277682][ T8868] ? _copy_from_user+0x1fd/0x300 [ 463.282853][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 463.287759][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 463.292585][ T8515] do_SYSENTER_32+0x73/0x90 [ 463.297752][ T8868] __msan_chain_origin+0x57/0xa0 [ 463.302247][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 463.307153][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 463.313439][ T8515] [ 463.318533][ T8868] get_compat_msghdr+0x108/0x2b0 [ 463.320826][ T8515] Uninit was stored to memory at: [ 463.325745][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 463.330740][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 463.335217][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 463.340912][ T8515] __msan_chain_origin+0x57/0xa0 [ 463.346079][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 463.350988][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 463.356851][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 463.361949][ T8515] get_compat_msghdr+0x108/0x2b0 [ 463.367119][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 463.372038][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 463.377641][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 463.382116][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 463.387392][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 463.392042][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 463.396778][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 463.402831][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 463.407477][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 463.413620][ T8515] __do_fast_syscall_32+0x102/0x160 [ 463.418786][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 463.423960][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 463.429143][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 463.433968][ T8515] do_SYSENTER_32+0x73/0x90 [ 463.440009][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 463.444485][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 463.450611][ T8868] __do_fast_syscall_32+0x102/0x160 [ 463.456892][ T8515] [ 463.462084][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 463.464378][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 463.469210][ T8868] do_SYSENTER_32+0x73/0x90 [ 463.475853][ T8515] do_recvmmsg+0xbf/0x22f0 [ 463.480335][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 463.484719][ T8515] do_recvmmsg+0xbf/0x22f0 [ 463.491012][ T8868] RIP: 0023:0xf7fcc549 [ 463.499454][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 463.519071][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 463.527493][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 463.535463][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 463.543438][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 463.551406][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 463.559379][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 463.567351][ T8868] Uninit was stored to memory at: [ 463.572380][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 463.578097][ T8868] __msan_chain_origin+0x57/0xa0 [ 463.583036][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 463.588143][ T8868] get_compat_msghdr+0x108/0x2b0 [ 463.593080][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 463.597581][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 463.602259][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 463.608417][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 463.614578][ T8868] __do_fast_syscall_32+0x102/0x160 [ 463.619779][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 463.624733][ T8868] do_SYSENTER_32+0x73/0x90 [ 463.629359][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 463.635713][ T8868] [ 463.638144][ T8868] Uninit was stored to memory at: [ 463.643173][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 463.648892][ T8868] __msan_chain_origin+0x57/0xa0 [ 463.653831][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 463.658941][ T8868] get_compat_msghdr+0x108/0x2b0 [ 463.663880][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 463.668383][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 463.673063][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 463.679132][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 463.685302][ T8868] __do_fast_syscall_32+0x102/0x160 [ 463.690500][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 463.695352][ T8868] do_SYSENTER_32+0x73/0x90 [ 463.699862][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 463.706186][ T8868] [ 463.708515][ T8868] Uninit was stored to memory at: [ 463.713544][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 463.716257][ T8551] not chained 680000 origins [ 463.719263][ T8868] __msan_chain_origin+0x57/0xa0 [ 463.723835][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 463.728745][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 463.737382][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 463.742471][ T8868] get_compat_msghdr+0x108/0x2b0 [ 463.753113][ T8551] Call Trace: [ 463.758050][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 463.761330][ T8551] dump_stack+0x21c/0x280 [ 463.765815][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 463.770121][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 463.774778][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 463.780810][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 463.786856][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 463.792036][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 463.798165][ T8868] __do_fast_syscall_32+0x102/0x160 [ 463.804118][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 463.809291][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 463.814462][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 463.819284][ T8868] do_SYSENTER_32+0x73/0x90 [ 463.825233][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 463.829715][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 463.835752][ T8551] ? __wake_up+0x1fc/0x250 [ 463.842036][ T8868] [ 463.846438][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 463.848826][ T8868] Uninit was stored to memory at: [ 463.854008][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 463.859000][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 463.864778][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 463.870469][ T8868] __msan_chain_origin+0x57/0xa0 [ 463.876515][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 463.881427][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 463.886596][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 463.891681][ T8868] get_compat_msghdr+0x108/0x2b0 [ 463.897297][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 463.902204][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 463.908258][ T8551] ? _copy_from_user+0x1fd/0x300 [ 463.912748][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 463.917656][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 463.922310][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 463.927498][ T8551] __msan_chain_origin+0x57/0xa0 [ 463.933541][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 463.938450][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 463.944586][ T8868] __do_fast_syscall_32+0x102/0x160 [ 463.949671][ T8551] get_compat_msghdr+0x108/0x2b0 [ 463.954846][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 463.959754][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 463.964607][ T8868] do_SYSENTER_32+0x73/0x90 [ 463.969084][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 463.973582][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 463.978749][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 463.985035][ T8868] [ 463.990912][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 463.993209][ T8868] Uninit was stored to memory at: [ 463.998387][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 464.003383][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 464.009078][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 464.014766][ T8868] __msan_chain_origin+0x57/0xa0 [ 464.020026][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 464.024935][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 464.029672][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 464.034775][ T8868] get_compat_msghdr+0x108/0x2b0 [ 464.039431][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 464.044342][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 464.049534][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 464.054010][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 464.059181][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 464.063828][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 464.069869][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 464.075918][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 464.082049][ T8551] __do_fast_syscall_32+0x102/0x160 [ 464.088169][ T8868] __do_fast_syscall_32+0x102/0x160 [ 464.093338][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 464.098508][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 464.103332][ T8551] do_SYSENTER_32+0x73/0x90 [ 464.108153][ T8868] do_SYSENTER_32+0x73/0x90 [ 464.112639][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 464.117108][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 464.123398][ T8551] RIP: 0023:0xf7fa1549 [ 464.129687][ T8868] [ 464.133739][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 464.136031][ T8868] Uninit was stored to memory at: [ 464.155616][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 [ 464.160609][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 464.160615][ T8551] ORIG_RAX: 0000000000000151 [ 464.160636][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 464.166674][ T8868] __msan_chain_origin+0x57/0xa0 [ 464.172359][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 464.177100][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 464.185039][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 464.189954][ T8868] get_compat_msghdr+0x108/0x2b0 [ 464.197895][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 464.202982][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 464.210922][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 464.215839][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 464.224560][ T8551] Uninit was stored to memory at: [ 464.229057][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 464.237018][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 464.241770][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 464.246765][ T8551] __msan_chain_origin+0x57/0xa0 [ 464.252844][ T8868] __do_fast_syscall_32+0x102/0x160 [ 464.258547][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 464.264681][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 464.269590][ T8551] get_compat_msghdr+0x108/0x2b0 [ 464.274764][ T8868] do_SYSENTER_32+0x73/0x90 [ 464.279849][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 464.284674][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 464.289583][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 464.294052][ T8868] [ 464.298538][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 464.304828][ T8868] Uninit was stored to memory at: [ 464.309488][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 464.311792][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 464.317833][ T8551] __do_fast_syscall_32+0x102/0x160 [ 464.322825][ T8868] __msan_chain_origin+0x57/0xa0 [ 464.328952][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 464.334641][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 464.339812][ T8551] do_SYSENTER_32+0x73/0x90 [ 464.344720][ T8868] get_compat_msghdr+0x108/0x2b0 [ 464.349545][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 464.354628][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 464.359090][ T8551] [ 464.364011][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 464.370301][ T8551] Uninit was stored to memory at: [ 464.374787][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 464.377087][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 464.381739][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 464.386730][ T8551] __msan_chain_origin+0x57/0xa0 [ 464.392813][ T8868] __do_fast_syscall_32+0x102/0x160 [ 464.398588][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 464.404714][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 464.409620][ T8551] get_compat_msghdr+0x108/0x2b0 [ 464.414806][ T8868] do_SYSENTER_32+0x73/0x90 [ 464.419889][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 464.424731][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 464.429640][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 464.434103][ T8868] [ 464.438593][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 464.444879][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 464.449537][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 464.451840][ T8868] do_recvmmsg+0xbf/0x22f0 [ 464.457881][ T8551] __do_fast_syscall_32+0x102/0x160 [ 464.464536][ T8868] do_recvmmsg+0xbf/0x22f0 [ 464.470664][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 464.489494][ T8551] do_SYSENTER_32+0x73/0x90 [ 464.494008][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 464.500332][ T8551] [ 464.502661][ T8551] Uninit was stored to memory at: [ 464.507689][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 464.513409][ T8551] __msan_chain_origin+0x57/0xa0 [ 464.518347][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 464.523465][ T8551] get_compat_msghdr+0x108/0x2b0 [ 464.528406][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 464.532915][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 464.537591][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 464.543659][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 464.549851][ T8551] __do_fast_syscall_32+0x102/0x160 [ 464.555060][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 464.559914][ T8551] do_SYSENTER_32+0x73/0x90 [ 464.564425][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 464.570739][ T8551] [ 464.573068][ T8551] Uninit was stored to memory at: [ 464.578091][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 464.583810][ T8551] __msan_chain_origin+0x57/0xa0 [ 464.588748][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 464.593860][ T8551] get_compat_msghdr+0x108/0x2b0 [ 464.598795][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 464.603302][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 464.607981][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 464.614055][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 464.620209][ T8551] __do_fast_syscall_32+0x102/0x160 [ 464.625410][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 464.630266][ T8551] do_SYSENTER_32+0x73/0x90 [ 464.634787][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 464.641102][ T8551] [ 464.643423][ T8551] Uninit was stored to memory at: [ 464.648446][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 464.654164][ T8551] __msan_chain_origin+0x57/0xa0 [ 464.659103][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 464.664220][ T8551] get_compat_msghdr+0x108/0x2b0 [ 464.669189][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 464.673705][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 464.678403][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 464.684552][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 464.690716][ T8551] __do_fast_syscall_32+0x102/0x160 [ 464.695926][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 464.700780][ T8551] do_SYSENTER_32+0x73/0x90 [ 464.705288][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 464.712031][ T8551] [ 464.714352][ T8551] Uninit was stored to memory at: [ 464.719379][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 464.725189][ T8551] __msan_chain_origin+0x57/0xa0 [ 464.730144][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 464.735265][ T8551] get_compat_msghdr+0x108/0x2b0 [ 464.740325][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 464.744846][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 464.749531][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 464.755604][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 464.761777][ T8551] __do_fast_syscall_32+0x102/0x160 [ 464.766991][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 464.771865][ T8551] do_SYSENTER_32+0x73/0x90 [ 464.776377][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 464.782725][ T8551] [ 464.785057][ T8551] Uninit was stored to memory at: [ 464.790085][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 464.795806][ T8551] __msan_chain_origin+0x57/0xa0 [ 464.800744][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 464.805856][ T8551] get_compat_msghdr+0x108/0x2b0 [ 464.810851][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 464.815357][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 464.820044][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 464.826128][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 464.832300][ T8551] __do_fast_syscall_32+0x102/0x160 [ 464.837505][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 464.842416][ T8551] do_SYSENTER_32+0x73/0x90 [ 464.846934][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 464.853248][ T8551] [ 464.855574][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 464.862255][ T8551] do_recvmmsg+0xbf/0x22f0 [ 464.866668][ T8551] do_recvmmsg+0xbf/0x22f0 [ 465.185285][ T8551] not chained 690000 origins [ 465.189914][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 465.198580][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 465.208638][ T8551] Call Trace: [ 465.211937][ T8551] dump_stack+0x21c/0x280 [ 465.216267][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 465.221984][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 465.227180][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 465.232983][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 465.238179][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 465.243993][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 465.250066][ T8551] ? __wake_up+0x1fc/0x250 [ 465.254485][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 465.259688][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 465.265495][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 465.271557][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 465.276780][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 465.282417][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 465.288496][ T8551] ? _copy_from_user+0x1fd/0x300 [ 465.293433][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 465.298628][ T8551] __msan_chain_origin+0x57/0xa0 [ 465.303567][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 465.308700][ T8551] get_compat_msghdr+0x108/0x2b0 [ 465.313642][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 465.318149][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 465.323344][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 465.329236][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 465.334432][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 465.340061][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 465.345347][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 465.350116][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 465.354796][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 465.359993][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 465.365198][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 465.371271][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 465.377432][ T8551] __do_fast_syscall_32+0x102/0x160 [ 465.382636][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 465.387488][ T8551] do_SYSENTER_32+0x73/0x90 [ 465.391997][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 465.398315][ T8551] RIP: 0023:0xf7fa1549 [ 465.402383][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 465.421990][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 465.430406][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 465.438375][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 465.446365][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 465.454451][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 465.462604][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 465.470574][ T8551] Uninit was stored to memory at: [ 465.475606][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 465.481323][ T8551] __msan_chain_origin+0x57/0xa0 [ 465.486258][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 465.491370][ T8551] get_compat_msghdr+0x108/0x2b0 [ 465.496305][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 465.500806][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 465.502557][ T8515] not chained 700000 origins [ 465.505509][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 465.510071][ T8515] CPU: 1 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 465.516133][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 465.524777][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 465.530911][ T8551] __do_fast_syscall_32+0x102/0x160 [ 465.540926][ T8515] Call Trace: [ 465.546106][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 465.549364][ T8515] dump_stack+0x21c/0x280 [ 465.554188][ T8551] do_SYSENTER_32+0x73/0x90 [ 465.558489][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 465.562969][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 465.568656][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 465.574940][ T8551] [ 465.580122][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 465.582413][ T8551] Uninit was stored to memory at: [ 465.588201][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 465.593196][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 465.598366][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 465.604052][ T8551] __msan_chain_origin+0x57/0xa0 [ 465.609831][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 465.614738][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 465.620780][ T8515] ? __wake_up+0x1fc/0x250 [ 465.625857][ T8551] get_compat_msghdr+0x108/0x2b0 [ 465.630260][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 465.635170][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 465.640338][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 465.644820][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 465.650619][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 465.655271][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 465.661311][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 465.667349][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 465.672519][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 465.678646][ T8551] __do_fast_syscall_32+0x102/0x160 [ 465.684264][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 465.689432][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 465.695467][ T8515] ? _copy_from_user+0x1fd/0x300 [ 465.700291][ T8551] do_SYSENTER_32+0x73/0x90 [ 465.705197][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 465.709677][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 465.714843][ T8515] __msan_chain_origin+0x57/0xa0 [ 465.721128][ T8551] [ 465.726065][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 465.728365][ T8551] Uninit was stored to memory at: [ 465.733470][ T8515] get_compat_msghdr+0x108/0x2b0 [ 465.738469][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 465.743384][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 465.749089][ T8551] __msan_chain_origin+0x57/0xa0 [ 465.753565][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 465.758473][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 465.763644][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 465.768730][ T8551] get_compat_msghdr+0x108/0x2b0 [ 465.774865][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 465.779775][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 465.784942][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 465.789432][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 465.795038][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 465.799774][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 465.805030][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 465.811071][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 465.815810][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 465.821955][ T8551] __do_fast_syscall_32+0x102/0x160 [ 465.826643][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 465.831834][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 465.837003][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 465.841825][ T8551] do_SYSENTER_32+0x73/0x90 [ 465.846997][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 465.851474][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 465.857531][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 465.863843][ T8551] [ 465.869992][ T8515] __do_fast_syscall_32+0x102/0x160 [ 465.872278][ T8551] Uninit was stored to memory at: [ 465.877478][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 465.882475][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 465.887300][ T8515] do_SYSENTER_32+0x73/0x90 [ 465.893001][ T8551] __msan_chain_origin+0x57/0xa0 [ 465.897488][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 465.902407][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 465.908702][ T8515] RIP: 0023:0xf7fa1549 [ 465.913788][ T8551] get_compat_msghdr+0x108/0x2b0 [ 465.917830][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 465.922740][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 465.942335][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 [ 465.946813][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 465.946831][ T8515] ORIG_RAX: 0000000000000151 [ 465.952879][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 465.957523][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 465.962192][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 465.968224][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 465.976191][ T8551] __do_fast_syscall_32+0x102/0x160 [ 465.982307][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 465.990263][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 465.995428][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 466.003382][ T8551] do_SYSENTER_32+0x73/0x90 [ 466.008196][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 466.016158][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 466.020618][ T8515] Uninit was stored to memory at: [ 466.028561][ T8551] [ 466.034885][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 466.039867][ T8551] Uninit was stored to memory at: [ 466.042181][ T8515] __msan_chain_origin+0x57/0xa0 [ 466.047870][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 466.052865][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 466.057771][ T8551] __msan_chain_origin+0x57/0xa0 [ 466.063467][ T8515] get_compat_msghdr+0x108/0x2b0 [ 466.068545][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 466.073457][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 466.078363][ T8551] get_compat_msghdr+0x108/0x2b0 [ 466.083446][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 466.087920][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 466.092841][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 466.097488][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 466.101964][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 466.108009][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 466.112663][ T8515] __do_fast_syscall_32+0x102/0x160 [ 466.118798][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 466.124848][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 466.130018][ T8551] __do_fast_syscall_32+0x102/0x160 [ 466.136141][ T8515] do_SYSENTER_32+0x73/0x90 [ 466.140976][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 466.146148][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 466.150618][ T8551] do_SYSENTER_32+0x73/0x90 [ 466.155428][ T8515] [ 466.161738][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 466.166200][ T8515] Uninit was stored to memory at: [ 466.168501][ T8551] [ 466.174809][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 466.179795][ T8551] Uninit was stored to memory at: [ 466.182106][ T8515] __msan_chain_origin+0x57/0xa0 [ 466.187798][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 466.192793][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 466.197698][ T8551] __msan_chain_origin+0x57/0xa0 [ 466.203388][ T8515] get_compat_msghdr+0x108/0x2b0 [ 466.208469][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 466.213379][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 466.218287][ T8551] get_compat_msghdr+0x108/0x2b0 [ 466.223368][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 466.227843][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 466.232752][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 466.237398][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 466.241877][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 466.247916][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 466.252562][ T8515] __do_fast_syscall_32+0x102/0x160 [ 466.258685][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 466.264722][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 466.269892][ T8551] __do_fast_syscall_32+0x102/0x160 [ 466.276016][ T8515] do_SYSENTER_32+0x73/0x90 [ 466.280837][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 466.286007][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 466.290478][ T8551] do_SYSENTER_32+0x73/0x90 [ 466.295284][ T8515] [ 466.302205][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 466.306680][ T8515] Uninit was stored to memory at: [ 466.308983][ T8551] [ 466.315293][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 466.320279][ T8551] Uninit was stored to memory at: [ 466.322591][ T8515] __msan_chain_origin+0x57/0xa0 [ 466.328282][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 466.333283][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 466.338190][ T8551] __msan_chain_origin+0x57/0xa0 [ 466.343882][ T8515] get_compat_msghdr+0x108/0x2b0 [ 466.348963][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 466.353885][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 466.358804][ T8551] get_compat_msghdr+0x108/0x2b0 [ 466.363974][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 466.368451][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 466.373363][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 466.378013][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 466.382491][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 466.388531][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 466.393181][ T8515] __do_fast_syscall_32+0x102/0x160 [ 466.399304][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 466.405343][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 466.410511][ T8551] __do_fast_syscall_32+0x102/0x160 [ 466.416638][ T8515] do_SYSENTER_32+0x73/0x90 [ 466.421547][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 466.426717][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 466.431189][ T8551] do_SYSENTER_32+0x73/0x90 [ 466.436013][ T8515] [ 466.442339][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 466.446831][ T8515] Uninit was stored to memory at: [ 466.449149][ T8551] [ 466.455470][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 466.460450][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 466.462777][ T8515] __msan_chain_origin+0x57/0xa0 [ 466.468472][ T8551] do_recvmmsg+0xbf/0x22f0 [ 466.475117][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 466.480027][ T8551] do_recvmmsg+0xbf/0x22f0 [ 466.484417][ T8515] get_compat_msghdr+0x108/0x2b0 [ 466.498830][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 466.503334][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 466.508016][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 466.514100][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 466.520356][ T8515] __do_fast_syscall_32+0x102/0x160 [ 466.525600][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 466.530456][ T8515] do_SYSENTER_32+0x73/0x90 [ 466.535055][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 466.541416][ T8515] [ 466.543741][ T8515] Uninit was stored to memory at: [ 466.548766][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 466.554487][ T8515] __msan_chain_origin+0x57/0xa0 [ 466.559436][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 466.564554][ T8515] get_compat_msghdr+0x108/0x2b0 [ 466.569500][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 466.574006][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 466.578697][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 466.584771][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 466.590974][ T8515] __do_fast_syscall_32+0x102/0x160 [ 466.596180][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 466.601096][ T8515] do_SYSENTER_32+0x73/0x90 [ 466.605605][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 466.611920][ T8515] [ 466.614291][ T8515] Uninit was stored to memory at: [ 466.619320][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 466.626084][ T8515] __msan_chain_origin+0x57/0xa0 [ 466.631027][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 466.636151][ T8515] get_compat_msghdr+0x108/0x2b0 [ 466.641100][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 466.645609][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 466.650331][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 466.656406][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 466.662571][ T8515] __do_fast_syscall_32+0x102/0x160 [ 466.667861][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 466.672717][ T8515] do_SYSENTER_32+0x73/0x90 [ 466.677232][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 466.683548][ T8515] [ 466.685871][ T8515] Uninit was stored to memory at: [ 466.690900][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 466.696618][ T8515] __msan_chain_origin+0x57/0xa0 [ 466.701560][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 466.706714][ T8515] get_compat_msghdr+0x108/0x2b0 [ 466.711654][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 466.716177][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 466.720856][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 466.726939][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 466.733108][ T8515] __do_fast_syscall_32+0x102/0x160 [ 466.738323][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 466.743223][ T8515] do_SYSENTER_32+0x73/0x90 [ 466.747729][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 466.754045][ T8515] [ 466.756373][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 466.763139][ T8515] do_recvmmsg+0xbf/0x22f0 [ 466.767557][ T8515] do_recvmmsg+0xbf/0x22f0 [ 468.134478][ T8551] not chained 710000 origins [ 468.139109][ T8551] CPU: 1 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 468.147777][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 468.157839][ T8551] Call Trace: [ 468.161136][ T8551] dump_stack+0x21c/0x280 [ 468.165470][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 468.171189][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 468.176393][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 468.182202][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 468.187403][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 468.193218][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 468.199377][ T8551] ? __wake_up+0x1fc/0x250 [ 468.203840][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 468.209041][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 468.214851][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 468.220924][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 468.226123][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 468.231764][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 468.237834][ T8551] ? _copy_from_user+0x1fd/0x300 [ 468.242771][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 468.247972][ T8551] __msan_chain_origin+0x57/0xa0 [ 468.252918][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 468.258042][ T8551] get_compat_msghdr+0x108/0x2b0 [ 468.262983][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 468.267490][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 468.272690][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 468.278587][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 468.283786][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 468.289422][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 468.295939][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 468.300708][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 468.305392][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 468.310593][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 468.315802][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 468.321878][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 468.328036][ T8551] __do_fast_syscall_32+0x102/0x160 [ 468.333248][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 468.338104][ T8551] do_SYSENTER_32+0x73/0x90 [ 468.342620][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 468.348945][ T8551] RIP: 0023:0xf7fa1549 [ 468.353024][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 468.372634][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 468.381317][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 468.389295][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 468.397271][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 468.405250][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 468.413224][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 468.421199][ T8551] Uninit was stored to memory at: [ 468.426240][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 468.431958][ T8551] __msan_chain_origin+0x57/0xa0 [ 468.436901][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 468.442017][ T8551] get_compat_msghdr+0x108/0x2b0 [ 468.446963][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 468.451473][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 468.456151][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 468.462245][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 468.468405][ T8551] __do_fast_syscall_32+0x102/0x160 [ 468.473610][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 468.478478][ T8551] do_SYSENTER_32+0x73/0x90 [ 468.482989][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 468.485990][ T8868] not chained 720000 origins [ 468.489308][ T8551] [ 468.493891][ T8868] CPU: 0 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 468.496187][ T8551] Uninit was stored to memory at: [ 468.504842][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 468.509844][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 468.519863][ T8868] Call Trace: [ 468.525564][ T8551] __msan_chain_origin+0x57/0xa0 [ 468.528826][ T8868] dump_stack+0x21c/0x280 [ 468.533737][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 468.538040][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 468.543120][ T8551] get_compat_msghdr+0x108/0x2b0 [ 468.548809][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 468.553718][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 468.558885][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 468.563359][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 468.569145][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 468.573797][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 468.578965][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 468.585003][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 468.590782][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 468.596911][ T8551] __do_fast_syscall_32+0x102/0x160 [ 468.602949][ T8868] ? __wake_up+0x1fc/0x250 [ 468.608120][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 468.612505][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 468.617329][ T8551] do_SYSENTER_32+0x73/0x90 [ 468.622497][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 468.626975][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 468.632837][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 468.639123][ T8551] [ 468.645171][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 468.647462][ T8551] Uninit was stored to memory at: [ 468.652639][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 468.657633][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 468.663241][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 468.668929][ T8551] __msan_chain_origin+0x57/0xa0 [ 468.674967][ T8868] ? _copy_from_user+0x1fd/0x300 [ 468.679876][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 468.684783][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 468.689865][ T8551] get_compat_msghdr+0x108/0x2b0 [ 468.695035][ T8868] __msan_chain_origin+0x57/0xa0 [ 468.699947][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 468.704857][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 468.709334][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 468.714428][ T8868] get_compat_msghdr+0x108/0x2b0 [ 468.719074][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 468.723982][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 468.730020][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 468.734495][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 468.740622][ T8551] __do_fast_syscall_32+0x102/0x160 [ 468.745786][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 468.750974][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 468.756847][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 468.761696][ T8551] do_SYSENTER_32+0x73/0x90 [ 468.766956][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 468.771440][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 468.777041][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 468.783327][ T8551] [ 468.788596][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 468.790887][ T8551] Uninit was stored to memory at: [ 468.795634][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 468.800626][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 468.805279][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 468.810969][ T8551] __msan_chain_origin+0x57/0xa0 [ 468.816141][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 468.821052][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 468.826223][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 468.831316][ T8551] get_compat_msghdr+0x108/0x2b0 [ 468.846211][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 468.852075][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 468.858214][ T8868] __do_fast_syscall_32+0x102/0x160 [ 468.862686][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 468.867857][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 468.872515][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 468.877355][ T8868] do_SYSENTER_32+0x73/0x90 [ 468.883406][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 468.887883][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 468.894032][ T8551] __do_fast_syscall_32+0x102/0x160 [ 468.900352][ T8868] RIP: 0023:0xf7fcc549 [ 468.905566][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 468.909604][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 468.914429][ T8551] do_SYSENTER_32+0x73/0x90 [ 468.934002][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 [ 468.938478][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 468.938495][ T8868] ORIG_RAX: 0000000000000151 [ 468.944525][ T8551] [ 468.950831][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 468.955481][ T8551] Uninit was stored to memory at: [ 468.957789][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 468.965741][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 468.970732][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 468.978682][ T8551] __msan_chain_origin+0x57/0xa0 [ 468.984372][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 468.992326][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 468.997229][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 469.005433][ T8551] get_compat_msghdr+0x108/0x2b0 [ 469.010530][ T8868] Uninit was stored to memory at: [ 469.018494][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 469.023403][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 469.028416][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 469.032890][ T8868] __msan_chain_origin+0x57/0xa0 [ 469.038591][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 469.043242][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 469.048151][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 469.054186][ T8868] get_compat_msghdr+0x108/0x2b0 [ 469.059273][ T8551] __do_fast_syscall_32+0x102/0x160 [ 469.065410][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 469.070322][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 469.075499][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 469.079978][ T8551] do_SYSENTER_32+0x73/0x90 [ 469.084800][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 469.089451][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 469.093928][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 469.099952][ T8551] [ 469.106264][ T8868] __do_fast_syscall_32+0x102/0x160 [ 469.112373][ T8551] Uninit was stored to memory at: [ 469.114690][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 469.119857][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 469.124855][ T8868] do_SYSENTER_32+0x73/0x90 [ 469.129673][ T8551] __msan_chain_origin+0x57/0xa0 [ 469.135377][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 469.139850][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 469.144745][ T8868] [ 469.151056][ T8551] get_compat_msghdr+0x108/0x2b0 [ 469.156128][ T8868] Uninit was stored to memory at: [ 469.158441][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 469.163349][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 469.168345][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 469.172833][ T8868] __msan_chain_origin+0x57/0xa0 [ 469.178527][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 469.183176][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 469.188089][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 469.194124][ T8868] get_compat_msghdr+0x108/0x2b0 [ 469.199229][ T8551] __do_fast_syscall_32+0x102/0x160 [ 469.205353][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 469.210267][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 469.215436][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 469.219912][ T8551] do_SYSENTER_32+0x73/0x90 [ 469.224734][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 469.229383][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 469.233856][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 469.239879][ T8551] [ 469.246190][ T8868] __do_fast_syscall_32+0x102/0x160 [ 469.252300][ T8551] Uninit was stored to memory at: [ 469.254617][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 469.259785][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 469.264782][ T8868] do_SYSENTER_32+0x73/0x90 [ 469.269611][ T8551] __msan_chain_origin+0x57/0xa0 [ 469.275306][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 469.279787][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 469.284682][ T8868] [ 469.290991][ T8551] get_compat_msghdr+0x108/0x2b0 [ 469.296063][ T8868] Uninit was stored to memory at: [ 469.298376][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 469.303382][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 469.308380][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 469.312852][ T8868] __msan_chain_origin+0x57/0xa0 [ 469.319675][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 469.324322][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 469.329232][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 469.335271][ T8868] get_compat_msghdr+0x108/0x2b0 [ 469.340356][ T8551] __do_fast_syscall_32+0x102/0x160 [ 469.346479][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 469.351388][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 469.356559][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 469.361033][ T8551] do_SYSENTER_32+0x73/0x90 [ 469.365858][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 469.370509][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 469.374981][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 469.381004][ T8551] [ 469.387316][ T8868] __do_fast_syscall_32+0x102/0x160 [ 469.393429][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 469.395772][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 469.400938][ T8551] do_recvmmsg+0xbf/0x22f0 [ 469.407611][ T8868] do_SYSENTER_32+0x73/0x90 [ 469.412435][ T8551] do_recvmmsg+0xbf/0x22f0 [ 469.416839][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 469.432014][ T8868] [ 469.434341][ T8868] Uninit was stored to memory at: [ 469.439466][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 469.445221][ T8868] __msan_chain_origin+0x57/0xa0 [ 469.450157][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 469.455271][ T8868] get_compat_msghdr+0x108/0x2b0 [ 469.460311][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 469.464813][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 469.469491][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 469.475556][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 469.481751][ T8868] __do_fast_syscall_32+0x102/0x160 [ 469.486950][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 469.491802][ T8868] do_SYSENTER_32+0x73/0x90 [ 469.496308][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 469.502622][ T8868] [ 469.504940][ T8868] Uninit was stored to memory at: [ 469.510130][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 469.515960][ T8868] __msan_chain_origin+0x57/0xa0 [ 469.520897][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 469.526005][ T8868] get_compat_msghdr+0x108/0x2b0 [ 469.530959][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 469.535464][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 469.540145][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 469.546215][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 469.552370][ T8868] __do_fast_syscall_32+0x102/0x160 [ 469.557568][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 469.562418][ T8868] do_SYSENTER_32+0x73/0x90 [ 469.566946][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 469.573258][ T8868] [ 469.575573][ T8868] Uninit was stored to memory at: [ 469.580598][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 469.586318][ T8868] __msan_chain_origin+0x57/0xa0 [ 469.591258][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 469.596376][ T8868] get_compat_msghdr+0x108/0x2b0 [ 469.604439][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 469.608940][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 469.613620][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 469.619688][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 469.625845][ T8868] __do_fast_syscall_32+0x102/0x160 [ 469.631049][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 469.635897][ T8868] do_SYSENTER_32+0x73/0x90 [ 469.640402][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 469.646739][ T8868] [ 469.649060][ T8868] Uninit was stored to memory at: [ 469.654086][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 469.659801][ T8868] __msan_chain_origin+0x57/0xa0 [ 469.664756][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 469.669881][ T8868] get_compat_msghdr+0x108/0x2b0 [ 469.674821][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 469.679321][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 469.683997][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 469.690066][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 469.696225][ T8868] __do_fast_syscall_32+0x102/0x160 [ 469.701426][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 469.706306][ T8868] do_SYSENTER_32+0x73/0x90 [ 469.710826][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 469.717152][ T8868] [ 469.719574][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 469.726255][ T8868] do_recvmmsg+0xbf/0x22f0 [ 469.730669][ T8868] do_recvmmsg+0xbf/0x22f0 [ 470.345631][ T8515] not chained 730000 origins [ 470.350353][ T8515] CPU: 1 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 470.359026][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 470.369083][ T8515] Call Trace: [ 470.372392][ T8515] dump_stack+0x21c/0x280 [ 470.376731][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 470.382457][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 470.387675][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 470.393539][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 470.398747][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 470.404559][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 470.410639][ T8515] ? __wake_up+0x1fc/0x250 [ 470.415062][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 470.420270][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 470.426083][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 470.432155][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 470.437356][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 470.442999][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 470.449100][ T8515] ? _copy_from_user+0x1fd/0x300 [ 470.454056][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 470.459258][ T8515] __msan_chain_origin+0x57/0xa0 [ 470.464207][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 470.469422][ T8515] get_compat_msghdr+0x108/0x2b0 [ 470.474370][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 470.478885][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 470.484094][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 470.490252][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 470.495457][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 470.501095][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 470.506386][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 470.511154][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 470.515837][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 470.521039][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 470.526243][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 470.532319][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 470.538486][ T8515] __do_fast_syscall_32+0x102/0x160 [ 470.543695][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 470.548551][ T8515] do_SYSENTER_32+0x73/0x90 [ 470.553063][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 470.559389][ T8515] RIP: 0023:0xf7fa1549 [ 470.563463][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 470.583076][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 470.591502][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 470.599479][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 470.607454][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 470.615429][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 470.623403][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 470.631373][ T8515] Uninit was stored to memory at: [ 470.636436][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 470.642156][ T8515] __msan_chain_origin+0x57/0xa0 [ 470.647098][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 470.652213][ T8515] get_compat_msghdr+0x108/0x2b0 [ 470.657162][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 470.661668][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 470.666358][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 470.672430][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 470.678592][ T8515] __do_fast_syscall_32+0x102/0x160 [ 470.683799][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 470.688652][ T8515] do_SYSENTER_32+0x73/0x90 [ 470.693166][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 470.699478][ T8515] [ 470.701798][ T8515] Uninit was stored to memory at: [ 470.706827][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 470.712549][ T8515] __msan_chain_origin+0x57/0xa0 [ 470.717493][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 470.722611][ T8515] get_compat_msghdr+0x108/0x2b0 [ 470.727549][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 470.732057][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 470.736824][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 470.742895][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 470.749081][ T8515] __do_fast_syscall_32+0x102/0x160 [ 470.754356][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 470.759271][ T8515] do_SYSENTER_32+0x73/0x90 [ 470.763787][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 470.770102][ T8515] [ 470.772424][ T8515] Uninit was stored to memory at: [ 470.777454][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 470.783181][ T8515] __msan_chain_origin+0x57/0xa0 [ 470.788126][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 470.793239][ T8515] get_compat_msghdr+0x108/0x2b0 [ 470.798181][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 470.802688][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 470.807367][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 470.813439][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 470.819674][ T8515] __do_fast_syscall_32+0x102/0x160 [ 470.824881][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 470.829737][ T8515] do_SYSENTER_32+0x73/0x90 [ 470.834252][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 470.840587][ T8515] [ 470.842912][ T8515] Uninit was stored to memory at: [ 470.847983][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 470.853706][ T8515] __msan_chain_origin+0x57/0xa0 [ 470.858655][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 470.863777][ T8515] get_compat_msghdr+0x108/0x2b0 [ 470.868721][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 470.873234][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 470.877926][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 470.884015][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 470.890177][ T8515] __do_fast_syscall_32+0x102/0x160 [ 470.895386][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 470.900241][ T8515] do_SYSENTER_32+0x73/0x90 [ 470.904749][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 470.911060][ T8515] [ 470.913383][ T8515] Uninit was stored to memory at: [ 470.918411][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 470.924132][ T8515] __msan_chain_origin+0x57/0xa0 [ 470.929199][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 470.934381][ T8515] get_compat_msghdr+0x108/0x2b0 [ 470.939324][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 470.943834][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 470.948516][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 470.954606][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 470.960770][ T8515] __do_fast_syscall_32+0x102/0x160 [ 470.965981][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 470.970838][ T8515] do_SYSENTER_32+0x73/0x90 [ 470.975349][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 470.981687][ T8515] [ 470.984018][ T8515] Uninit was stored to memory at: [ 470.989047][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 470.994770][ T8515] __msan_chain_origin+0x57/0xa0 [ 470.999713][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 471.004826][ T8515] get_compat_msghdr+0x108/0x2b0 [ 471.009765][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 471.014313][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 471.018994][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 471.025099][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 471.031261][ T8515] __do_fast_syscall_32+0x102/0x160 [ 471.036464][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 471.041321][ T8515] do_SYSENTER_32+0x73/0x90 [ 471.045832][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 471.052148][ T8515] [ 471.054467][ T8515] Uninit was stored to memory at: [ 471.059491][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 471.065213][ T8515] __msan_chain_origin+0x57/0xa0 [ 471.070176][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 471.075292][ T8515] get_compat_msghdr+0x108/0x2b0 [ 471.080232][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 471.084738][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 471.089422][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 471.095494][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 471.101651][ T8515] __do_fast_syscall_32+0x102/0x160 [ 471.106848][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 471.111698][ T8515] do_SYSENTER_32+0x73/0x90 [ 471.116213][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 471.122551][ T8515] [ 471.124876][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 471.131551][ T8515] do_recvmmsg+0xbf/0x22f0 [ 471.135970][ T8515] do_recvmmsg+0xbf/0x22f0 [ 471.433952][ T8551] not chained 740000 origins [ 471.438586][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 471.447257][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 471.457311][ T8551] Call Trace: [ 471.460610][ T8551] dump_stack+0x21c/0x280 [ 471.464945][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 471.470666][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 471.475867][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 471.481668][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 471.486869][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 471.492680][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 471.498751][ T8551] ? __wake_up+0x1fc/0x250 [ 471.503171][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 471.508373][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 471.514181][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 471.520245][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 471.525441][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 471.531083][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 471.537149][ T8551] ? _copy_from_user+0x1fd/0x300 [ 471.542086][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 471.547282][ T8551] __msan_chain_origin+0x57/0xa0 [ 471.552225][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 471.557344][ T8551] get_compat_msghdr+0x108/0x2b0 [ 471.562288][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 471.566794][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 471.571993][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 471.577888][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 471.583083][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 471.588716][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 471.594006][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 471.598769][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 471.603457][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 471.608660][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 471.613865][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 471.619934][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 471.626094][ T8551] __do_fast_syscall_32+0x102/0x160 [ 471.631301][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 471.636156][ T8551] do_SYSENTER_32+0x73/0x90 [ 471.640665][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 471.646991][ T8551] RIP: 0023:0xf7fa1549 [ 471.651060][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 471.670670][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 471.679086][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 471.687057][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 471.695029][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 471.703104][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 471.711073][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 471.719043][ T8551] Uninit was stored to memory at: [ 471.724072][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 471.729786][ T8551] __msan_chain_origin+0x57/0xa0 [ 471.734724][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 471.739833][ T8551] get_compat_msghdr+0x108/0x2b0 [ 471.741086][ T8868] not chained 750000 origins [ 471.744790][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 471.749359][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 471.753864][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 471.762515][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 471.767198][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 471.777218][ T8868] Call Trace: [ 471.783271][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 471.786533][ T8868] dump_stack+0x21c/0x280 [ 471.792662][ T8551] __do_fast_syscall_32+0x102/0x160 [ 471.796961][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 471.802132][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 471.807821][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 471.812647][ T8551] do_SYSENTER_32+0x73/0x90 [ 471.818769][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 471.823248][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 471.829020][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 471.835308][ T8551] [ 471.840502][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 471.842794][ T8551] Uninit was stored to memory at: [ 471.850762][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 471.855756][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 471.861803][ T8868] ? __wake_up+0x1fc/0x250 [ 471.867489][ T8551] __msan_chain_origin+0x57/0xa0 [ 471.871898][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 471.876818][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 471.881986][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 471.887068][ T8551] get_compat_msghdr+0x108/0x2b0 [ 471.892846][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 471.897755][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 471.903791][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 471.908268][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 471.913438][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 471.918096][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 471.923704][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 471.929764][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 471.935801][ T8868] ? _copy_from_user+0x1fd/0x300 [ 471.941939][ T8551] __do_fast_syscall_32+0x102/0x160 [ 471.946848][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 471.952023][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 471.957204][ T8868] __msan_chain_origin+0x57/0xa0 [ 471.962031][ T8551] do_SYSENTER_32+0x73/0x90 [ 471.966939][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 471.971438][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 471.976526][ T8868] get_compat_msghdr+0x108/0x2b0 [ 471.982817][ T8551] [ 471.987746][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 471.990036][ T8551] Uninit was stored to memory at: [ 471.994525][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 471.999532][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 472.004701][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 472.010391][ T8551] __msan_chain_origin+0x57/0xa0 [ 472.016256][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 472.021167][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 472.026337][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 472.031422][ T8551] get_compat_msghdr+0x108/0x2b0 [ 472.037026][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 472.041945][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 472.047199][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 472.051673][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 472.056411][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 472.061062][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 472.065709][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 472.071748][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 472.076940][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 472.083072][ T8551] __do_fast_syscall_32+0x102/0x160 [ 472.088240][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 472.093413][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 472.099453][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 472.104276][ T8551] do_SYSENTER_32+0x73/0x90 [ 472.110424][ T8868] __do_fast_syscall_32+0x102/0x160 [ 472.114997][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 472.120168][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 472.126452][ T8551] [ 472.131373][ T8868] do_SYSENTER_32+0x73/0x90 [ 472.133666][ T8551] Uninit was stored to memory at: [ 472.138160][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 472.143155][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 472.149454][ T8868] RIP: 0023:0xf7fcc549 [ 472.155157][ T8551] __msan_chain_origin+0x57/0xa0 [ 472.159204][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 472.164202][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 472.183862][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 [ 472.188952][ T8551] get_compat_msghdr+0x108/0x2b0 [ 472.188969][ T8868] ORIG_RAX: 0000000000000151 [ 472.195014][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 472.199921][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 472.204586][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 472.209073][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 472.217026][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 472.221669][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 472.229622][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 472.235666][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 472.243633][ T8551] __do_fast_syscall_32+0x102/0x160 [ 472.249751][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 472.257706][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 472.262862][ T8868] Uninit was stored to memory at: [ 472.270822][ T8551] do_SYSENTER_32+0x73/0x90 [ 472.275642][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 472.280641][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 472.285110][ T8868] __msan_chain_origin+0x57/0xa0 [ 472.290988][ T8551] [ 472.297296][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 472.302191][ T8551] Uninit was stored to memory at: [ 472.304505][ T8868] get_compat_msghdr+0x108/0x2b0 [ 472.309586][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 472.314584][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 472.319491][ T8551] __msan_chain_origin+0x57/0xa0 [ 472.325183][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 472.329657][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 472.334568][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 472.339224][ T8551] get_compat_msghdr+0x108/0x2b0 [ 472.344308][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 472.350346][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 472.355258][ T8868] __do_fast_syscall_32+0x102/0x160 [ 472.361380][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 472.365857][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 472.371026][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 472.375676][ T8868] do_SYSENTER_32+0x73/0x90 [ 472.380498][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 472.386538][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 472.391016][ T8551] __do_fast_syscall_32+0x102/0x160 [ 472.397125][ T8868] [ 472.403438][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 472.408597][ T8868] Uninit was stored to memory at: [ 472.410913][ T8551] do_SYSENTER_32+0x73/0x90 [ 472.415731][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 472.420733][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 472.425203][ T8868] __msan_chain_origin+0x57/0xa0 [ 472.430881][ T8551] [ 472.437190][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 472.442088][ T8551] Uninit was stored to memory at: [ 472.444401][ T8868] get_compat_msghdr+0x108/0x2b0 [ 472.449485][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 472.454481][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 472.459389][ T8551] __msan_chain_origin+0x57/0xa0 [ 472.465081][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 472.469559][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 472.474481][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 472.479308][ T8551] get_compat_msghdr+0x108/0x2b0 [ 472.484395][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 472.490431][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 472.495349][ T8868] __do_fast_syscall_32+0x102/0x160 [ 472.501470][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 472.505945][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 472.511118][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 472.515892][ T8868] do_SYSENTER_32+0x73/0x90 [ 472.520714][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 472.526753][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 472.531227][ T8551] __do_fast_syscall_32+0x102/0x160 [ 472.537340][ T8868] [ 472.543650][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 472.548806][ T8868] Uninit was stored to memory at: [ 472.551127][ T8551] do_SYSENTER_32+0x73/0x90 [ 472.555952][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 472.560952][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 472.565423][ T8868] __msan_chain_origin+0x57/0xa0 [ 472.571100][ T8551] [ 472.577410][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 472.582312][ T8551] Uninit was stored to memory at: [ 472.584625][ T8868] get_compat_msghdr+0x108/0x2b0 [ 472.589708][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 472.594705][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 472.599612][ T8551] __msan_chain_origin+0x57/0xa0 [ 472.605304][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 472.609777][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 472.614686][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 472.619334][ T8551] get_compat_msghdr+0x108/0x2b0 [ 472.624422][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 472.630460][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 472.635371][ T8868] __do_fast_syscall_32+0x102/0x160 [ 472.641493][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 472.645968][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 472.651147][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 472.655794][ T8868] do_SYSENTER_32+0x73/0x90 [ 472.660617][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 472.666673][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 472.671149][ T8551] __do_fast_syscall_32+0x102/0x160 [ 472.677261][ T8868] [ 472.684273][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 472.689428][ T8868] Uninit was stored to memory at: [ 472.691744][ T8551] do_SYSENTER_32+0x73/0x90 [ 472.696562][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 472.701562][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 472.706044][ T8868] __msan_chain_origin+0x57/0xa0 [ 472.711737][ T8551] [ 472.718045][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 472.722953][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 472.725265][ T8868] get_compat_msghdr+0x108/0x2b0 [ 472.730348][ T8551] do_recvmmsg+0xbf/0x22f0 [ 472.736994][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 472.741904][ T8551] do_recvmmsg+0xbf/0x22f0 [ 472.746292][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 472.759865][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 472.765943][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 472.772115][ T8868] __do_fast_syscall_32+0x102/0x160 [ 472.777332][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 472.782191][ T8868] do_SYSENTER_32+0x73/0x90 [ 472.786709][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 472.793026][ T8868] [ 472.795349][ T8868] Uninit was stored to memory at: [ 472.800379][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 472.806102][ T8868] __msan_chain_origin+0x57/0xa0 [ 472.811043][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 472.816154][ T8868] get_compat_msghdr+0x108/0x2b0 [ 472.821094][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 472.825603][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 472.830286][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 472.836353][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 472.842513][ T8868] __do_fast_syscall_32+0x102/0x160 [ 472.847713][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 472.852565][ T8868] do_SYSENTER_32+0x73/0x90 [ 472.857134][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 472.863451][ T8868] [ 472.865774][ T8868] Uninit was stored to memory at: [ 472.870822][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 472.876550][ T8868] __msan_chain_origin+0x57/0xa0 [ 472.881497][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 472.886612][ T8868] get_compat_msghdr+0x108/0x2b0 [ 472.891554][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 472.896135][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 472.900820][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 472.906896][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 472.913062][ T8868] __do_fast_syscall_32+0x102/0x160 [ 472.918267][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 472.923738][ T8868] do_SYSENTER_32+0x73/0x90 [ 472.928292][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 472.934688][ T8868] [ 472.937045][ T8868] Uninit was stored to memory at: [ 472.942137][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 472.947895][ T8868] __msan_chain_origin+0x57/0xa0 [ 472.952839][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 472.957953][ T8868] get_compat_msghdr+0x108/0x2b0 [ 472.962900][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 472.967501][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 472.972182][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 472.978251][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 472.984417][ T8868] __do_fast_syscall_32+0x102/0x160 [ 472.989627][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 472.994482][ T8868] do_SYSENTER_32+0x73/0x90 [ 472.998993][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 473.005307][ T8868] [ 473.007630][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 473.014308][ T8868] do_recvmmsg+0xbf/0x22f0 [ 473.018751][ T8868] do_recvmmsg+0xbf/0x22f0 [ 473.936342][ T8515] not chained 760000 origins [ 473.940973][ T8515] CPU: 1 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 473.949645][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 473.959703][ T8515] Call Trace: [ 473.963007][ T8515] dump_stack+0x21c/0x280 [ 473.967344][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 473.973068][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 473.978272][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 473.984082][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 473.989290][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 473.995101][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 474.001180][ T8515] ? __wake_up+0x1fc/0x250 [ 474.005601][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 474.010801][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 474.016612][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 474.022680][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 474.027879][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 474.033523][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 474.039595][ T8515] ? _copy_from_user+0x1fd/0x300 [ 474.044536][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 474.049736][ T8515] __msan_chain_origin+0x57/0xa0 [ 474.054684][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 474.059853][ T8515] get_compat_msghdr+0x108/0x2b0 [ 474.064800][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 474.069311][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 474.074519][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 474.080684][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 474.085884][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 474.091520][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 474.096808][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 474.101575][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 474.106250][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 474.111661][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 474.116868][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 474.122949][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 474.129115][ T8515] __do_fast_syscall_32+0x102/0x160 [ 474.134334][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 474.139192][ T8515] do_SYSENTER_32+0x73/0x90 [ 474.143703][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 474.150022][ T8515] RIP: 0023:0xf7fa1549 [ 474.154095][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 474.173706][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 474.182152][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 474.190128][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 474.198101][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 474.206076][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 474.214055][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 474.222029][ T8515] Uninit was stored to memory at: [ 474.227079][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 474.232800][ T8515] __msan_chain_origin+0x57/0xa0 [ 474.237740][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 474.242857][ T8515] get_compat_msghdr+0x108/0x2b0 [ 474.247798][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 474.252319][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 474.257004][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 474.263100][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 474.269263][ T8515] __do_fast_syscall_32+0x102/0x160 [ 474.274469][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 474.279321][ T8515] do_SYSENTER_32+0x73/0x90 [ 474.283832][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 474.290154][ T8515] [ 474.292484][ T8515] Uninit was stored to memory at: [ 474.297518][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 474.303243][ T8515] __msan_chain_origin+0x57/0xa0 [ 474.308184][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 474.313301][ T8515] get_compat_msghdr+0x108/0x2b0 [ 474.318244][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 474.322752][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 474.327431][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 474.333505][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 474.339665][ T8515] __do_fast_syscall_32+0x102/0x160 [ 474.344866][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 474.349724][ T8515] do_SYSENTER_32+0x73/0x90 [ 474.354241][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 474.360557][ T8515] [ 474.362883][ T8515] Uninit was stored to memory at: [ 474.367984][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 474.373708][ T8515] __msan_chain_origin+0x57/0xa0 [ 474.378644][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 474.383758][ T8515] get_compat_msghdr+0x108/0x2b0 [ 474.388700][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 474.393207][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 474.397885][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 474.403959][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 474.410118][ T8515] __do_fast_syscall_32+0x102/0x160 [ 474.415319][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 474.420174][ T8515] do_SYSENTER_32+0x73/0x90 [ 474.424687][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 474.431002][ T8515] [ 474.433322][ T8515] Uninit was stored to memory at: [ 474.438347][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 474.444067][ T8515] __msan_chain_origin+0x57/0xa0 [ 474.449091][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 474.454204][ T8515] get_compat_msghdr+0x108/0x2b0 [ 474.459141][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 474.463703][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 474.468383][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 474.474455][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 474.480653][ T8515] __do_fast_syscall_32+0x102/0x160 [ 474.485856][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 474.490712][ T8515] do_SYSENTER_32+0x73/0x90 [ 474.495218][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 474.501528][ T8515] [ 474.503857][ T8515] Uninit was stored to memory at: [ 474.508883][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 474.514609][ T8515] __msan_chain_origin+0x57/0xa0 [ 474.519547][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 474.524680][ T8515] get_compat_msghdr+0x108/0x2b0 [ 474.529618][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 474.534210][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 474.538892][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 474.544971][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 474.551131][ T8515] __do_fast_syscall_32+0x102/0x160 [ 474.556333][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 474.561186][ T8515] do_SYSENTER_32+0x73/0x90 [ 474.565699][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 474.572018][ T8515] [ 474.574341][ T8515] Uninit was stored to memory at: [ 474.579369][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 474.585090][ T8515] __msan_chain_origin+0x57/0xa0 [ 474.590033][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 474.595181][ T8515] get_compat_msghdr+0x108/0x2b0 [ 474.600120][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 474.604622][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 474.609301][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 474.615384][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 474.621547][ T8515] __do_fast_syscall_32+0x102/0x160 [ 474.626751][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 474.631608][ T8515] do_SYSENTER_32+0x73/0x90 [ 474.636114][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 474.642424][ T8515] [ 474.644750][ T8515] Uninit was stored to memory at: [ 474.649777][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 474.655499][ T8515] __msan_chain_origin+0x57/0xa0 [ 474.660438][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 474.665554][ T8515] get_compat_msghdr+0x108/0x2b0 [ 474.670501][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 474.675006][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 474.679687][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 474.685755][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 474.691919][ T8515] __do_fast_syscall_32+0x102/0x160 [ 474.697119][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 474.701999][ T8515] do_SYSENTER_32+0x73/0x90 [ 474.706548][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 474.712968][ T8515] [ 474.715336][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 474.722013][ T8515] do_recvmmsg+0xbf/0x22f0 [ 474.726436][ T8515] do_recvmmsg+0xbf/0x22f0 [ 474.912835][ T8868] not chained 770000 origins [ 474.912855][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 474.912903][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 474.936281][ T8868] Call Trace: [ 474.939591][ T8868] dump_stack+0x21c/0x280 [ 474.943935][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 474.949660][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 474.954878][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 474.960693][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 474.965901][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 474.971724][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 474.977994][ T8868] ? __wake_up+0x1fc/0x250 [ 474.982418][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 474.987624][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 474.993432][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 474.999508][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 475.004714][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 475.010356][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 475.016430][ T8868] ? _copy_from_user+0x1fd/0x300 [ 475.021378][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 475.026574][ T8868] __msan_chain_origin+0x57/0xa0 [ 475.031520][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 475.036648][ T8868] get_compat_msghdr+0x108/0x2b0 [ 475.041598][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 475.046111][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 475.051322][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 475.057218][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 475.062415][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 475.068051][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 475.073353][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 475.078212][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 475.082892][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 475.088091][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 475.093296][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 475.099378][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 475.105550][ T8868] __do_fast_syscall_32+0x102/0x160 [ 475.110755][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 475.115614][ T8868] do_SYSENTER_32+0x73/0x90 [ 475.120128][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 475.126451][ T8868] RIP: 0023:0xf7fcc549 [ 475.130525][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 475.150137][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 475.158563][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 475.166546][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 475.174523][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 475.182504][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 475.190485][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 475.198466][ T8868] Uninit was stored to memory at: [ 475.203501][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 475.209217][ T8868] __msan_chain_origin+0x57/0xa0 [ 475.214158][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 475.219269][ T8868] get_compat_msghdr+0x108/0x2b0 [ 475.224212][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 475.228717][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 475.233423][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 475.239500][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 475.245666][ T8868] __do_fast_syscall_32+0x102/0x160 [ 475.250869][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 475.255726][ T8868] do_SYSENTER_32+0x73/0x90 [ 475.260235][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 475.266555][ T8868] [ 475.268874][ T8868] Uninit was stored to memory at: [ 475.273905][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 475.279717][ T8868] __msan_chain_origin+0x57/0xa0 [ 475.284658][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 475.289769][ T8868] get_compat_msghdr+0x108/0x2b0 [ 475.294712][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 475.299221][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 475.303902][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 475.309978][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 475.316142][ T8868] __do_fast_syscall_32+0x102/0x160 [ 475.321351][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 475.326209][ T8868] do_SYSENTER_32+0x73/0x90 [ 475.330719][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 475.337031][ T8868] [ 475.339349][ T8868] Uninit was stored to memory at: [ 475.344375][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 475.350092][ T8868] __msan_chain_origin+0x57/0xa0 [ 475.355033][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 475.360145][ T8868] get_compat_msghdr+0x108/0x2b0 [ 475.365088][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 475.369590][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 475.374271][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 475.380341][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 475.386511][ T8868] __do_fast_syscall_32+0x102/0x160 [ 475.391738][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 475.396593][ T8868] do_SYSENTER_32+0x73/0x90 [ 475.401103][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 475.407422][ T8868] [ 475.409842][ T8868] Uninit was stored to memory at: [ 475.414872][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 475.420601][ T8868] __msan_chain_origin+0x57/0xa0 [ 475.425536][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 475.430643][ T8868] get_compat_msghdr+0x108/0x2b0 [ 475.435584][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 475.440114][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 475.444795][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 475.450861][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 475.457020][ T8868] __do_fast_syscall_32+0x102/0x160 [ 475.462332][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 475.467186][ T8868] do_SYSENTER_32+0x73/0x90 [ 475.471787][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 475.478099][ T8868] [ 475.480418][ T8868] Uninit was stored to memory at: [ 475.485448][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 475.491175][ T8868] __msan_chain_origin+0x57/0xa0 [ 475.496117][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 475.501231][ T8868] get_compat_msghdr+0x108/0x2b0 [ 475.506171][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 475.512849][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 475.517628][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 475.523694][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 475.529937][ T8868] __do_fast_syscall_32+0x102/0x160 [ 475.535145][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 475.539998][ T8868] do_SYSENTER_32+0x73/0x90 [ 475.544508][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 475.550829][ T8868] [ 475.553150][ T8868] Uninit was stored to memory at: [ 475.558179][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 475.563897][ T8868] __msan_chain_origin+0x57/0xa0 [ 475.568836][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 475.573952][ T8868] get_compat_msghdr+0x108/0x2b0 [ 475.578887][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 475.583394][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 475.588078][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 475.594152][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 475.600337][ T8868] __do_fast_syscall_32+0x102/0x160 [ 475.605543][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 475.610477][ T8868] do_SYSENTER_32+0x73/0x90 [ 475.614990][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 475.621301][ T8868] [ 475.623624][ T8868] Uninit was stored to memory at: [ 475.628647][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 475.634369][ T8868] __msan_chain_origin+0x57/0xa0 [ 475.639308][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 475.644424][ T8868] get_compat_msghdr+0x108/0x2b0 [ 475.649373][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 475.653881][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 475.658569][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 475.664649][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 475.670810][ T8868] __do_fast_syscall_32+0x102/0x160 [ 475.676021][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 475.680880][ T8868] do_SYSENTER_32+0x73/0x90 [ 475.685503][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 475.691821][ T8868] [ 475.694149][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 475.700826][ T8868] do_recvmmsg+0xbf/0x22f0 [ 475.705248][ T8868] do_recvmmsg+0xbf/0x22f0 [ 475.749942][ T8551] not chained 780000 origins [ 475.754577][ T8551] CPU: 1 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 475.763257][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 475.779586][ T8551] Call Trace: [ 475.782893][ T8551] dump_stack+0x21c/0x280 [ 475.787481][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 475.793208][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 475.798401][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 475.804196][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 475.809557][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 475.815362][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 475.821423][ T8551] ? __wake_up+0x1fc/0x250 [ 475.825829][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 475.831016][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 475.836810][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 475.842865][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 475.848050][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 475.853677][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 475.859752][ T8551] ? _copy_from_user+0x1fd/0x300 [ 475.864678][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 475.869863][ T8551] __msan_chain_origin+0x57/0xa0 [ 475.874811][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 475.879916][ T8551] get_compat_msghdr+0x108/0x2b0 [ 475.884860][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 475.889357][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 475.894560][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 475.900443][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 475.905820][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 475.911483][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 475.916788][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 475.921552][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 475.926244][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 475.931440][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 475.936645][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 475.942722][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 475.948869][ T8551] __do_fast_syscall_32+0x102/0x160 [ 475.954061][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 475.958901][ T8551] do_SYSENTER_32+0x73/0x90 [ 475.963404][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 475.969715][ T8551] RIP: 0023:0xf7fa1549 [ 475.974991][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 475.994598][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 476.003006][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 476.010966][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 476.019018][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 476.026978][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 476.034941][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 476.042901][ T8551] Uninit was stored to memory at: [ 476.047916][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 476.053621][ T8551] __msan_chain_origin+0x57/0xa0 [ 476.058547][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 476.063651][ T8551] get_compat_msghdr+0x108/0x2b0 [ 476.068584][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 476.073080][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 476.077746][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 476.083816][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 476.089959][ T8551] __do_fast_syscall_32+0x102/0x160 [ 476.095149][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 476.099991][ T8551] do_SYSENTER_32+0x73/0x90 [ 476.104490][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 476.110795][ T8551] [ 476.113104][ T8551] Uninit was stored to memory at: [ 476.118115][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 476.123833][ T8551] __msan_chain_origin+0x57/0xa0 [ 476.128763][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 476.133861][ T8551] get_compat_msghdr+0x108/0x2b0 [ 476.138787][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 476.143277][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 476.147945][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 476.154007][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 476.160157][ T8551] __do_fast_syscall_32+0x102/0x160 [ 476.165345][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 476.170196][ T8551] do_SYSENTER_32+0x73/0x90 [ 476.174692][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 476.181083][ T8551] [ 476.183393][ T8551] Uninit was stored to memory at: [ 476.188404][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 476.194111][ T8551] __msan_chain_origin+0x57/0xa0 [ 476.199050][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 476.204149][ T8551] get_compat_msghdr+0x108/0x2b0 [ 476.209168][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 476.213661][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 476.218326][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 476.224468][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 476.230615][ T8551] __do_fast_syscall_32+0x102/0x160 [ 476.235804][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 476.240646][ T8551] do_SYSENTER_32+0x73/0x90 [ 476.245138][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 476.251442][ T8551] [ 476.253754][ T8551] Uninit was stored to memory at: [ 476.258766][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 476.264485][ T8551] __msan_chain_origin+0x57/0xa0 [ 476.269410][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 476.274510][ T8551] get_compat_msghdr+0x108/0x2b0 [ 476.279455][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 476.283949][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 476.288616][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 476.294673][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 476.300821][ T8551] __do_fast_syscall_32+0x102/0x160 [ 476.306013][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 476.310854][ T8551] do_SYSENTER_32+0x73/0x90 [ 476.315347][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 476.321651][ T8551] [ 476.323959][ T8551] Uninit was stored to memory at: [ 476.328969][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 476.334676][ T8551] __msan_chain_origin+0x57/0xa0 [ 476.339599][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 476.344710][ T8551] get_compat_msghdr+0x108/0x2b0 [ 476.349645][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 476.354137][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 476.358801][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 476.364856][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 476.371004][ T8551] __do_fast_syscall_32+0x102/0x160 [ 476.376192][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 476.381032][ T8551] do_SYSENTER_32+0x73/0x90 [ 476.385525][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 476.391847][ T8551] [ 476.394160][ T8551] Uninit was stored to memory at: [ 476.399170][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 476.404873][ T8551] __msan_chain_origin+0x57/0xa0 [ 476.409796][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 476.414904][ T8551] get_compat_msghdr+0x108/0x2b0 [ 476.419841][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 476.424334][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 476.429004][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 476.435062][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 476.441207][ T8551] __do_fast_syscall_32+0x102/0x160 [ 476.446393][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 476.451245][ T8551] do_SYSENTER_32+0x73/0x90 [ 476.455738][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 476.462040][ T8551] [ 476.464350][ T8551] Uninit was stored to memory at: [ 476.469361][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 476.475065][ T8551] __msan_chain_origin+0x57/0xa0 [ 476.480075][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 476.485175][ T8551] get_compat_msghdr+0x108/0x2b0 [ 476.490099][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 476.494590][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 476.499261][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 476.505329][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 476.511483][ T8551] __do_fast_syscall_32+0x102/0x160 [ 476.516670][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 476.521509][ T8551] do_SYSENTER_32+0x73/0x90 [ 476.526007][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 476.532310][ T8551] [ 476.534619][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 476.541369][ T8551] do_recvmmsg+0xbf/0x22f0 [ 476.545772][ T8551] do_recvmmsg+0xbf/0x22f0 [ 476.775763][ T8868] not chained 790000 origins [ 476.780401][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 476.789080][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 476.799158][ T8868] Call Trace: [ 476.802463][ T8868] dump_stack+0x21c/0x280 [ 476.806809][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 476.812534][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 476.817744][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 476.823553][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 476.828753][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 476.834565][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 476.840630][ T8868] ? __wake_up+0x1fc/0x250 [ 476.845070][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 476.850272][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 476.856085][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 476.862159][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 476.867368][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 476.873446][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 476.879512][ T8868] ? _copy_from_user+0x1fd/0x300 [ 476.884452][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 476.889655][ T8868] __msan_chain_origin+0x57/0xa0 [ 476.894605][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 476.899748][ T8868] get_compat_msghdr+0x108/0x2b0 [ 476.904702][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 476.909223][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 476.914432][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 476.920344][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 476.925552][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 476.931494][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 476.936788][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 476.941562][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 476.946244][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 476.951442][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 476.956649][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 476.962732][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 476.968889][ T8868] __do_fast_syscall_32+0x102/0x160 [ 476.974101][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 476.978958][ T8868] do_SYSENTER_32+0x73/0x90 [ 476.983471][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 476.989791][ T8868] RIP: 0023:0xf7fcc549 [ 476.993865][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 477.013517][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 477.021943][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 477.029919][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 477.037894][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 477.045876][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 477.053850][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 477.061825][ T8868] Uninit was stored to memory at: [ 477.066864][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 477.072679][ T8868] __msan_chain_origin+0x57/0xa0 [ 477.077620][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 477.082738][ T8868] get_compat_msghdr+0x108/0x2b0 [ 477.087682][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 477.092193][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 477.096887][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 477.102962][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 477.109123][ T8868] __do_fast_syscall_32+0x102/0x160 [ 477.114345][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 477.119203][ T8868] do_SYSENTER_32+0x73/0x90 [ 477.123716][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 477.130031][ T8868] [ 477.132354][ T8868] Uninit was stored to memory at: [ 477.137383][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 477.143103][ T8868] __msan_chain_origin+0x57/0xa0 [ 477.148043][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 477.153161][ T8868] get_compat_msghdr+0x108/0x2b0 [ 477.158107][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 477.162614][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 477.167292][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 477.173360][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 477.179515][ T8868] __do_fast_syscall_32+0x102/0x160 [ 477.184726][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 477.189582][ T8868] do_SYSENTER_32+0x73/0x90 [ 477.194100][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 477.200415][ T8868] [ 477.202741][ T8868] Uninit was stored to memory at: [ 477.207766][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 477.213483][ T8868] __msan_chain_origin+0x57/0xa0 [ 477.218429][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 477.223801][ T8868] get_compat_msghdr+0x108/0x2b0 [ 477.228745][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 477.233252][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 477.237935][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 477.244008][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 477.250168][ T8868] __do_fast_syscall_32+0x102/0x160 [ 477.255370][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 477.260226][ T8868] do_SYSENTER_32+0x73/0x90 [ 477.264738][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 477.271049][ T8868] [ 477.273371][ T8868] Uninit was stored to memory at: [ 477.278400][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 477.284122][ T8868] __msan_chain_origin+0x57/0xa0 [ 477.289064][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 477.294184][ T8868] get_compat_msghdr+0x108/0x2b0 [ 477.299168][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 477.303675][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 477.308353][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 477.314422][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 477.320578][ T8868] __do_fast_syscall_32+0x102/0x160 [ 477.325783][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 477.330638][ T8868] do_SYSENTER_32+0x73/0x90 [ 477.335149][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 477.341463][ T8868] [ 477.343781][ T8868] Uninit was stored to memory at: [ 477.348806][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 477.354522][ T8868] __msan_chain_origin+0x57/0xa0 [ 477.359459][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 477.364570][ T8868] get_compat_msghdr+0x108/0x2b0 [ 477.369518][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 477.374105][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 477.378789][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 477.384863][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 477.391021][ T8868] __do_fast_syscall_32+0x102/0x160 [ 477.396313][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 477.401167][ T8868] do_SYSENTER_32+0x73/0x90 [ 477.405675][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 477.411983][ T8868] [ 477.414304][ T8868] Uninit was stored to memory at: [ 477.419333][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 477.425055][ T8868] __msan_chain_origin+0x57/0xa0 [ 477.430001][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 477.435124][ T8868] get_compat_msghdr+0x108/0x2b0 [ 477.440070][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 477.444580][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 477.449260][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 477.455331][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 477.461487][ T8868] __do_fast_syscall_32+0x102/0x160 [ 477.466739][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 477.471597][ T8868] do_SYSENTER_32+0x73/0x90 [ 477.476106][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 477.482417][ T8868] [ 477.484770][ T8868] Uninit was stored to memory at: [ 477.489797][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 477.495515][ T8868] __msan_chain_origin+0x57/0xa0 [ 477.500457][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 477.505569][ T8868] get_compat_msghdr+0x108/0x2b0 [ 477.510510][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 477.515014][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 477.519690][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 477.525762][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 477.531928][ T8868] __do_fast_syscall_32+0x102/0x160 [ 477.537134][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 477.541994][ T8868] do_SYSENTER_32+0x73/0x90 [ 477.546501][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 477.552813][ T8868] [ 477.555138][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 477.561819][ T8868] do_recvmmsg+0xbf/0x22f0 [ 477.566240][ T8868] do_recvmmsg+0xbf/0x22f0 [ 477.804044][ T8551] not chained 800000 origins [ 477.808674][ T8551] CPU: 1 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 477.817367][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 477.827421][ T8551] Call Trace: [ 477.830724][ T8551] dump_stack+0x21c/0x280 [ 477.835059][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 477.840785][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 477.846006][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 477.851816][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 477.857052][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 477.862865][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 477.868939][ T8551] ? __wake_up+0x1fc/0x250 [ 477.873399][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 477.878604][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 477.884434][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 477.890590][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 477.895790][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 477.901430][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 477.907596][ T8551] ? _copy_from_user+0x1fd/0x300 [ 477.912545][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 477.917753][ T8551] __msan_chain_origin+0x57/0xa0 [ 477.922703][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 477.927831][ T8551] get_compat_msghdr+0x108/0x2b0 [ 477.932779][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 477.937294][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 477.942505][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 477.948402][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 477.953601][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 477.959238][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 477.964533][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 477.969914][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 477.974597][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 477.979799][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 477.985005][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 477.991082][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 477.997248][ T8551] __do_fast_syscall_32+0x102/0x160 [ 478.002455][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 478.007314][ T8551] do_SYSENTER_32+0x73/0x90 [ 478.011827][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 478.018151][ T8551] RIP: 0023:0xf7fa1549 [ 478.022234][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 478.041842][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 478.050266][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 478.058247][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 478.066222][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 478.074196][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 478.082169][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 478.090145][ T8551] Uninit was stored to memory at: [ 478.095178][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 478.100910][ T8551] __msan_chain_origin+0x57/0xa0 [ 478.105854][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 478.110968][ T8551] get_compat_msghdr+0x108/0x2b0 [ 478.115907][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 478.120408][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 478.127693][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 478.133762][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 478.139921][ T8551] __do_fast_syscall_32+0x102/0x160 [ 478.145132][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 478.149989][ T8551] do_SYSENTER_32+0x73/0x90 [ 478.154500][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 478.160811][ T8551] [ 478.163132][ T8551] Uninit was stored to memory at: [ 478.168160][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 478.173880][ T8551] __msan_chain_origin+0x57/0xa0 [ 478.178820][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 478.183932][ T8551] get_compat_msghdr+0x108/0x2b0 [ 478.188915][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 478.193430][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 478.198117][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 478.204193][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 478.210352][ T8551] __do_fast_syscall_32+0x102/0x160 [ 478.215554][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 478.220408][ T8551] do_SYSENTER_32+0x73/0x90 [ 478.225006][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 478.231317][ T8551] [ 478.233638][ T8551] Uninit was stored to memory at: [ 478.238665][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 478.244387][ T8551] __msan_chain_origin+0x57/0xa0 [ 478.249329][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 478.254443][ T8551] get_compat_msghdr+0x108/0x2b0 [ 478.259382][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 478.263884][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 478.268565][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 478.274637][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 478.280804][ T8551] __do_fast_syscall_32+0x102/0x160 [ 478.286003][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 478.290853][ T8551] do_SYSENTER_32+0x73/0x90 [ 478.295361][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 478.301673][ T8551] [ 478.303999][ T8551] Uninit was stored to memory at: [ 478.309021][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 478.314742][ T8551] __msan_chain_origin+0x57/0xa0 [ 478.319681][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 478.324906][ T8551] get_compat_msghdr+0x108/0x2b0 [ 478.329849][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 478.334358][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 478.339039][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 478.345114][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 478.351277][ T8551] __do_fast_syscall_32+0x102/0x160 [ 478.356563][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 478.361420][ T8551] do_SYSENTER_32+0x73/0x90 [ 478.365931][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 478.372243][ T8551] [ 478.374566][ T8551] Uninit was stored to memory at: [ 478.379596][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 478.385320][ T8551] __msan_chain_origin+0x57/0xa0 [ 478.390259][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 478.395546][ T8551] get_compat_msghdr+0x108/0x2b0 [ 478.400484][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 478.404989][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 478.409672][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 478.415741][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 478.421898][ T8551] __do_fast_syscall_32+0x102/0x160 [ 478.427099][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 478.431955][ T8551] do_SYSENTER_32+0x73/0x90 [ 478.436550][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 478.442865][ T8551] [ 478.445186][ T8551] Uninit was stored to memory at: [ 478.450213][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 478.455939][ T8551] __msan_chain_origin+0x57/0xa0 [ 478.460880][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 478.465993][ T8551] get_compat_msghdr+0x108/0x2b0 [ 478.470934][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 478.475434][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 478.480114][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 478.486184][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 478.492345][ T8551] __do_fast_syscall_32+0x102/0x160 [ 478.497551][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 478.502412][ T8551] do_SYSENTER_32+0x73/0x90 [ 478.506919][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 478.513233][ T8551] [ 478.515550][ T8551] Uninit was stored to memory at: [ 478.520569][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 478.526287][ T8551] __msan_chain_origin+0x57/0xa0 [ 478.531232][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 478.536344][ T8551] get_compat_msghdr+0x108/0x2b0 [ 478.541284][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 478.545788][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 478.550470][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 478.556545][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 478.562713][ T8551] __do_fast_syscall_32+0x102/0x160 [ 478.567915][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 478.572766][ T8551] do_SYSENTER_32+0x73/0x90 [ 478.577272][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 478.583585][ T8551] [ 478.585908][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 478.592936][ T8551] do_recvmmsg+0xbf/0x22f0 [ 478.597353][ T8551] do_recvmmsg+0xbf/0x22f0 [ 478.716903][ T8515] not chained 810000 origins [ 478.721540][ T8515] CPU: 0 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 478.730204][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 478.740251][ T8515] Call Trace: [ 478.743549][ T8515] dump_stack+0x21c/0x280 [ 478.747884][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 478.753606][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 478.758817][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 478.764630][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 478.769831][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 478.775644][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 478.781711][ T8515] ? __wake_up+0x1fc/0x250 [ 478.786128][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 478.791334][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 478.797134][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 478.803201][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 478.808393][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 478.814026][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 478.820083][ T8515] ? _copy_from_user+0x1fd/0x300 [ 478.825011][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 478.830199][ T8515] __msan_chain_origin+0x57/0xa0 [ 478.835131][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 478.840235][ T8515] get_compat_msghdr+0x108/0x2b0 [ 478.845165][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 478.849661][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 478.854849][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 478.860992][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 478.866181][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 478.871801][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 478.877076][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 478.881829][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 478.886496][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 478.891681][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 478.896872][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 478.902930][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 478.909079][ T8515] __do_fast_syscall_32+0x102/0x160 [ 478.914288][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 478.919135][ T8515] do_SYSENTER_32+0x73/0x90 [ 478.923643][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 478.929971][ T8515] RIP: 0023:0xf7fa1549 [ 478.934037][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 478.953642][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 478.962058][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 478.970155][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 478.978127][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 478.986099][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 478.994067][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 479.002031][ T8515] Uninit was stored to memory at: [ 479.007048][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 479.012771][ T8515] __msan_chain_origin+0x57/0xa0 [ 479.017700][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 479.022799][ T8515] get_compat_msghdr+0x108/0x2b0 [ 479.027724][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 479.032215][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 479.036882][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 479.042937][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 479.049080][ T8515] __do_fast_syscall_32+0x102/0x160 [ 479.054269][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 479.059109][ T8515] do_SYSENTER_32+0x73/0x90 [ 479.063602][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 479.069903][ T8515] [ 479.072212][ T8515] Uninit was stored to memory at: [ 479.077245][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 479.082950][ T8515] __msan_chain_origin+0x57/0xa0 [ 479.087877][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 479.092975][ T8515] get_compat_msghdr+0x108/0x2b0 [ 479.097903][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 479.102399][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 479.107064][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 479.113120][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 479.119264][ T8515] __do_fast_syscall_32+0x102/0x160 [ 479.124452][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 479.129309][ T8515] do_SYSENTER_32+0x73/0x90 [ 479.135384][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 479.141687][ T8515] [ 479.143996][ T8515] Uninit was stored to memory at: [ 479.149007][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 479.154712][ T8515] __msan_chain_origin+0x57/0xa0 [ 479.159636][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 479.164735][ T8515] get_compat_msghdr+0x108/0x2b0 [ 479.169661][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 479.174151][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 479.178816][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 479.184871][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 479.191020][ T8515] __do_fast_syscall_32+0x102/0x160 [ 479.196207][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 479.201047][ T8515] do_SYSENTER_32+0x73/0x90 [ 479.205543][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 479.211860][ T8515] [ 479.214170][ T8515] Uninit was stored to memory at: [ 479.219191][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 479.224902][ T8515] __msan_chain_origin+0x57/0xa0 [ 479.229841][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 479.234941][ T8515] get_compat_msghdr+0x108/0x2b0 [ 479.239867][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 479.244359][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 479.249025][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 479.255078][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 479.261223][ T8515] __do_fast_syscall_32+0x102/0x160 [ 479.266411][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 479.271251][ T8515] do_SYSENTER_32+0x73/0x90 [ 479.275749][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 479.282054][ T8515] [ 479.284363][ T8515] Uninit was stored to memory at: [ 479.289374][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 479.295081][ T8515] __msan_chain_origin+0x57/0xa0 [ 479.300007][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 479.305103][ T8515] get_compat_msghdr+0x108/0x2b0 [ 479.310029][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 479.314519][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 479.319184][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 479.325242][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 479.331386][ T8515] __do_fast_syscall_32+0x102/0x160 [ 479.336573][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 479.341413][ T8515] do_SYSENTER_32+0x73/0x90 [ 479.345907][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 479.352209][ T8515] [ 479.354518][ T8515] Uninit was stored to memory at: [ 479.359547][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 479.365251][ T8515] __msan_chain_origin+0x57/0xa0 [ 479.370177][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 479.375278][ T8515] get_compat_msghdr+0x108/0x2b0 [ 479.380205][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 479.384696][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 479.389360][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 479.395414][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 479.401556][ T8515] __do_fast_syscall_32+0x102/0x160 [ 479.406743][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 479.411584][ T8515] do_SYSENTER_32+0x73/0x90 [ 479.416078][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 479.422381][ T8515] [ 479.424693][ T8515] Uninit was stored to memory at: [ 479.429972][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 479.435681][ T8515] __msan_chain_origin+0x57/0xa0 [ 479.440612][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 479.445712][ T8515] get_compat_msghdr+0x108/0x2b0 [ 479.450636][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 479.455133][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 479.459797][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 479.465855][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 479.472000][ T8515] __do_fast_syscall_32+0x102/0x160 [ 479.477185][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 479.482023][ T8515] do_SYSENTER_32+0x73/0x90 [ 479.486517][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 479.492820][ T8515] [ 479.495136][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 479.501795][ T8515] do_recvmmsg+0xbf/0x22f0 [ 479.506198][ T8515] do_recvmmsg+0xbf/0x22f0 [ 479.790322][ T8868] not chained 820000 origins [ 479.794964][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 479.803637][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 479.813693][ T8868] Call Trace: [ 479.816995][ T8868] dump_stack+0x21c/0x280 [ 479.821333][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 479.827056][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 479.832278][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 479.838094][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 479.843302][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 479.849112][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 479.855205][ T8868] ? __wake_up+0x1fc/0x250 [ 479.859630][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 479.864922][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 479.870737][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 479.876808][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 479.882014][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 479.887662][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 479.893737][ T8868] ? _copy_from_user+0x1fd/0x300 [ 479.898675][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 479.903874][ T8868] __msan_chain_origin+0x57/0xa0 [ 479.908818][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 479.913966][ T8868] get_compat_msghdr+0x108/0x2b0 [ 479.918913][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 479.923429][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 479.928640][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 479.934541][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 479.939741][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 479.945380][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 479.950670][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 479.955449][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 479.960131][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 479.965334][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 479.970542][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 479.976618][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 479.982779][ T8868] __do_fast_syscall_32+0x102/0x160 [ 479.987986][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 479.992848][ T8868] do_SYSENTER_32+0x73/0x90 [ 479.997358][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 480.003680][ T8868] RIP: 0023:0xf7fcc549 [ 480.007752][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 480.027359][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 480.035782][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 480.043760][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 480.051731][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 480.059737][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 480.067709][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 480.075684][ T8868] Uninit was stored to memory at: [ 480.080718][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 480.086438][ T8868] __msan_chain_origin+0x57/0xa0 [ 480.091385][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 480.096501][ T8868] get_compat_msghdr+0x108/0x2b0 [ 480.101452][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 480.106044][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 480.110724][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 480.116839][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 480.122996][ T8868] __do_fast_syscall_32+0x102/0x160 [ 480.128195][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 480.133053][ T8868] do_SYSENTER_32+0x73/0x90 [ 480.137562][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 480.143874][ T8868] [ 480.146193][ T8868] Uninit was stored to memory at: [ 480.151217][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 480.156935][ T8868] __msan_chain_origin+0x57/0xa0 [ 480.161875][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 480.166987][ T8868] get_compat_msghdr+0x108/0x2b0 [ 480.171932][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 480.176438][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 480.181140][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 480.187211][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 480.193376][ T8868] __do_fast_syscall_32+0x102/0x160 [ 480.198580][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 480.203436][ T8868] do_SYSENTER_32+0x73/0x90 [ 480.207951][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 480.214266][ T8868] [ 480.216590][ T8868] Uninit was stored to memory at: [ 480.221621][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 480.227367][ T8868] __msan_chain_origin+0x57/0xa0 [ 480.232307][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 480.237420][ T8868] get_compat_msghdr+0x108/0x2b0 [ 480.242364][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 480.246871][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 480.251556][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 480.257625][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 480.263907][ T8868] __do_fast_syscall_32+0x102/0x160 [ 480.269111][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 480.273978][ T8868] do_SYSENTER_32+0x73/0x90 [ 480.278488][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 480.284804][ T8868] [ 480.287127][ T8868] Uninit was stored to memory at: [ 480.292155][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 480.297876][ T8868] __msan_chain_origin+0x57/0xa0 [ 480.302826][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 480.307938][ T8868] get_compat_msghdr+0x108/0x2b0 [ 480.312891][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 480.317417][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 480.322106][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 480.328177][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 480.334461][ T8868] __do_fast_syscall_32+0x102/0x160 [ 480.339675][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 480.344530][ T8868] do_SYSENTER_32+0x73/0x90 [ 480.349101][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 480.355434][ T8868] [ 480.357759][ T8868] Uninit was stored to memory at: [ 480.362789][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 480.368511][ T8868] __msan_chain_origin+0x57/0xa0 [ 480.373458][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 480.378580][ T8868] get_compat_msghdr+0x108/0x2b0 [ 480.383521][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 480.388025][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 480.392708][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 480.398780][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 480.404943][ T8868] __do_fast_syscall_32+0x102/0x160 [ 480.410247][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 480.415105][ T8868] do_SYSENTER_32+0x73/0x90 [ 480.419613][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 480.425931][ T8868] [ 480.428250][ T8868] Uninit was stored to memory at: [ 480.433278][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 480.438996][ T8868] __msan_chain_origin+0x57/0xa0 [ 480.443939][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 480.449048][ T8868] get_compat_msghdr+0x108/0x2b0 [ 480.453991][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 480.458494][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 480.463207][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 480.469273][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 480.475470][ T8868] __do_fast_syscall_32+0x102/0x160 [ 480.480675][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 480.485526][ T8868] do_SYSENTER_32+0x73/0x90 [ 480.490033][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 480.496346][ T8868] [ 480.498665][ T8868] Uninit was stored to memory at: [ 480.503696][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 480.509416][ T8868] __msan_chain_origin+0x57/0xa0 [ 480.514363][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 480.519475][ T8868] get_compat_msghdr+0x108/0x2b0 [ 480.524417][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 480.528926][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 480.533605][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 480.539697][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 480.545974][ T8868] __do_fast_syscall_32+0x102/0x160 [ 480.551179][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 480.556029][ T8868] do_SYSENTER_32+0x73/0x90 [ 480.560536][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 480.566850][ T8868] [ 480.569174][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 480.575863][ T8868] do_recvmmsg+0xbf/0x22f0 [ 480.580279][ T8868] do_recvmmsg+0xbf/0x22f0 [ 480.700398][ T8515] not chained 830000 origins [ 480.705069][ T8515] CPU: 0 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 480.713734][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 480.723796][ T8515] Call Trace: [ 480.727095][ T8515] dump_stack+0x21c/0x280 [ 480.731426][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 480.737152][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 480.742367][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 480.748178][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 480.753384][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 480.759203][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 480.765275][ T8515] ? __wake_up+0x1fc/0x250 [ 480.769692][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 480.774890][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 480.780697][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 480.786937][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 480.792141][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 480.797778][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 480.803844][ T8515] ? _copy_from_user+0x1fd/0x300 [ 480.808782][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 480.813985][ T8515] __msan_chain_origin+0x57/0xa0 [ 480.818921][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 480.824036][ T8515] get_compat_msghdr+0x108/0x2b0 [ 480.828980][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 480.833487][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 480.838685][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 480.844841][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 480.850038][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 480.855667][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 480.860952][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 480.865720][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 480.870397][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 480.875595][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 480.880794][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 480.886864][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 480.893020][ T8515] __do_fast_syscall_32+0x102/0x160 [ 480.898222][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 480.903075][ T8515] do_SYSENTER_32+0x73/0x90 [ 480.907599][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 480.913938][ T8515] RIP: 0023:0xf7fa1549 [ 480.918015][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 480.937635][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 480.946060][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 480.954036][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 480.962021][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 480.969995][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 480.977966][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 480.985939][ T8515] Uninit was stored to memory at: [ 480.990969][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 480.996687][ T8515] __msan_chain_origin+0x57/0xa0 [ 481.001623][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 481.006734][ T8515] get_compat_msghdr+0x108/0x2b0 [ 481.011669][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 481.016172][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 481.020851][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 481.026918][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 481.033079][ T8515] __do_fast_syscall_32+0x102/0x160 [ 481.038277][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 481.043126][ T8515] do_SYSENTER_32+0x73/0x90 [ 481.047632][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 481.053942][ T8515] [ 481.056260][ T8515] Uninit was stored to memory at: [ 481.061283][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 481.066998][ T8515] __msan_chain_origin+0x57/0xa0 [ 481.071935][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 481.077043][ T8515] get_compat_msghdr+0x108/0x2b0 [ 481.081984][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 481.086484][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 481.091160][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 481.097227][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 481.103383][ T8515] __do_fast_syscall_32+0x102/0x160 [ 481.108580][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 481.113435][ T8515] do_SYSENTER_32+0x73/0x90 [ 481.117945][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 481.124358][ T8515] [ 481.126675][ T8515] Uninit was stored to memory at: [ 481.131701][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 481.137414][ T8515] __msan_chain_origin+0x57/0xa0 [ 481.142375][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 481.147482][ T8515] get_compat_msghdr+0x108/0x2b0 [ 481.152417][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 481.156918][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 481.161593][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 481.167654][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 481.173809][ T8515] __do_fast_syscall_32+0x102/0x160 [ 481.179007][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 481.183856][ T8515] do_SYSENTER_32+0x73/0x90 [ 481.188361][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 481.194673][ T8515] [ 481.196991][ T8515] Uninit was stored to memory at: [ 481.202010][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 481.207722][ T8515] __msan_chain_origin+0x57/0xa0 [ 481.212657][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 481.217766][ T8515] get_compat_msghdr+0x108/0x2b0 [ 481.222706][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 481.227211][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 481.231887][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 481.237951][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 481.244104][ T8515] __do_fast_syscall_32+0x102/0x160 [ 481.249305][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 481.254155][ T8515] do_SYSENTER_32+0x73/0x90 [ 481.258659][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 481.264975][ T8515] [ 481.267295][ T8515] Uninit was stored to memory at: [ 481.272319][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 481.278036][ T8515] __msan_chain_origin+0x57/0xa0 [ 481.282976][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 481.288086][ T8515] get_compat_msghdr+0x108/0x2b0 [ 481.293023][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 481.297528][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 481.302204][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 481.308268][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 481.314421][ T8515] __do_fast_syscall_32+0x102/0x160 [ 481.319621][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 481.324474][ T8515] do_SYSENTER_32+0x73/0x90 [ 481.328977][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 481.335288][ T8515] [ 481.337609][ T8515] Uninit was stored to memory at: [ 481.342636][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 481.348350][ T8515] __msan_chain_origin+0x57/0xa0 [ 481.353285][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 481.358394][ T8515] get_compat_msghdr+0x108/0x2b0 [ 481.363347][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 481.367865][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 481.372541][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 481.378610][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 481.384855][ T8515] __do_fast_syscall_32+0x102/0x160 [ 481.390069][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 481.394919][ T8515] do_SYSENTER_32+0x73/0x90 [ 481.399424][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 481.405733][ T8515] [ 481.408065][ T8515] Uninit was stored to memory at: [ 481.413086][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 481.418800][ T8515] __msan_chain_origin+0x57/0xa0 [ 481.423739][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 481.429283][ T8515] get_compat_msghdr+0x108/0x2b0 [ 481.434233][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 481.438733][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 481.443414][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 481.449480][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 481.455649][ T8515] __do_fast_syscall_32+0x102/0x160 [ 481.460849][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 481.465704][ T8515] do_SYSENTER_32+0x73/0x90 [ 481.470210][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 481.476523][ T8515] [ 481.478846][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 481.485521][ T8515] do_recvmmsg+0xbf/0x22f0 [ 481.489970][ T8515] do_recvmmsg+0xbf/0x22f0 [ 481.696188][ T8868] not chained 840000 origins [ 481.700825][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 481.709510][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 481.719577][ T8868] Call Trace: [ 481.722884][ T8868] dump_stack+0x21c/0x280 [ 481.727229][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 481.732967][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 481.738186][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 481.744008][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 481.749235][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 481.755054][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 481.761135][ T8868] ? __wake_up+0x1fc/0x250 [ 481.765569][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 481.770781][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 481.776592][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 481.782666][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 481.787873][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 481.793524][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 481.799597][ T8868] ? _copy_from_user+0x1fd/0x300 [ 481.804570][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 481.809777][ T8868] __msan_chain_origin+0x57/0xa0 [ 481.814728][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 481.819848][ T8868] get_compat_msghdr+0x108/0x2b0 [ 481.824796][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 481.829309][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 481.834514][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 481.840413][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 481.845626][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 481.851264][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 481.856552][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 481.861352][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 481.866137][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 481.871347][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 481.876558][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 481.882644][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 481.888812][ T8868] __do_fast_syscall_32+0x102/0x160 [ 481.894025][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 481.898883][ T8868] do_SYSENTER_32+0x73/0x90 [ 481.903398][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 481.909812][ T8868] RIP: 0023:0xf7fcc549 [ 481.913888][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 481.933594][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 481.942017][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 481.949996][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 481.957973][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 481.965953][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 481.973938][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 481.981918][ T8868] Uninit was stored to memory at: [ 481.986955][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 481.992686][ T8868] __msan_chain_origin+0x57/0xa0 [ 481.997628][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 482.002746][ T8868] get_compat_msghdr+0x108/0x2b0 [ 482.007691][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 482.012209][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 482.016890][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 482.022994][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 482.029166][ T8868] __do_fast_syscall_32+0x102/0x160 [ 482.032912][ T8551] not chained 850000 origins [ 482.034377][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 482.038945][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 482.043770][ T8868] do_SYSENTER_32+0x73/0x90 [ 482.052401][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 482.056890][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 482.066922][ T8551] Call Trace: [ 482.073220][ T8868] [ 482.076494][ T8551] dump_stack+0x21c/0x280 [ 482.078784][ T8868] Uninit was stored to memory at: [ 482.083095][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 482.088119][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 482.093810][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 482.099498][ T8868] __msan_chain_origin+0x57/0xa0 [ 482.104669][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 482.109579][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 482.115354][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 482.120438][ T8868] get_compat_msghdr+0x108/0x2b0 [ 482.125608][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 482.130517][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 482.136294][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 482.140769][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 482.146808][ T8551] ? __wake_up+0x1fc/0x250 [ 482.151457][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 482.155844][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 482.161882][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 482.167050][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 482.173175][ T8868] __do_fast_syscall_32+0x102/0x160 [ 482.178960][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 482.184145][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 482.190183][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 482.195009][ T8868] do_SYSENTER_32+0x73/0x90 [ 482.200175][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 482.204654][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 482.210262][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 482.216556][ T8868] [ 482.222607][ T8551] ? _copy_from_user+0x1fd/0x300 [ 482.224906][ T8868] Uninit was stored to memory at: [ 482.229843][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 482.234865][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 482.240040][ T8551] __msan_chain_origin+0x57/0xa0 [ 482.245781][ T8868] __msan_chain_origin+0x57/0xa0 [ 482.250702][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 482.255609][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 482.260789][ T8551] get_compat_msghdr+0x108/0x2b0 [ 482.265876][ T8868] get_compat_msghdr+0x108/0x2b0 [ 482.270800][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 482.275711][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 482.280207][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 482.284694][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 482.289870][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 482.294530][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 482.300480][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 482.306609][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 482.311774][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 482.317914][ T8868] __do_fast_syscall_32+0x102/0x160 [ 482.323512][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 482.328702][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 482.333965][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 482.338790][ T8868] do_SYSENTER_32+0x73/0x90 [ 482.343536][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 482.348013][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 482.352664][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 482.358949][ T8868] [ 482.364126][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 482.364153][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 482.366450][ T8868] Uninit was stored to memory at: [ 482.371638][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 482.377680][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 482.382684][ T8551] __do_fast_syscall_32+0x102/0x160 [ 482.388806][ T8868] __msan_chain_origin+0x57/0xa0 [ 482.394600][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 482.399766][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 482.404677][ T8551] do_SYSENTER_32+0x73/0x90 [ 482.409497][ T8868] get_compat_msghdr+0x108/0x2b0 [ 482.414585][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 482.419075][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 482.423981][ T8551] RIP: 0023:0xf7fa1549 [ 482.430291][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 482.434760][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 482.438804][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 482.443446][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 [ 482.463053][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 482.469081][ T8551] ORIG_RAX: 0000000000000151 [ 482.475393][ T8868] __do_fast_syscall_32+0x102/0x160 [ 482.481513][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 482.486178][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 482.491514][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 482.499474][ T8868] do_SYSENTER_32+0x73/0x90 [ 482.504291][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 482.512260][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 482.516739][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 482.524689][ T8868] [ 482.530993][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 482.538936][ T8868] Uninit was stored to memory at: [ 482.541240][ T8551] Uninit was stored to memory at: [ 482.549288][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 482.554284][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 482.559282][ T8868] __msan_chain_origin+0x57/0xa0 [ 482.565149][ T8551] __msan_chain_origin+0x57/0xa0 [ 482.570845][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 482.575755][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 482.580664][ T8868] get_compat_msghdr+0x108/0x2b0 [ 482.585749][ T8551] get_compat_msghdr+0x108/0x2b0 [ 482.590831][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 482.595739][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 482.600651][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 482.605131][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 482.609606][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 482.614256][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 482.618905][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 482.624943][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 482.630984][ T8868] __do_fast_syscall_32+0x102/0x160 [ 482.637116][ T8551] __do_fast_syscall_32+0x102/0x160 [ 482.643238][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 482.648408][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 482.653589][ T8868] do_SYSENTER_32+0x73/0x90 [ 482.658411][ T8551] do_SYSENTER_32+0x73/0x90 [ 482.663237][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 482.667719][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 482.672178][ T8868] [ 482.678477][ T8551] [ 482.684777][ T8868] Uninit was stored to memory at: [ 482.687184][ T8551] Uninit was stored to memory at: [ 482.689514][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 482.694524][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 482.699529][ T8868] __msan_chain_origin+0x57/0xa0 [ 482.705229][ T8551] __msan_chain_origin+0x57/0xa0 [ 482.710936][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 482.715849][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 482.720768][ T8868] get_compat_msghdr+0x108/0x2b0 [ 482.725852][ T8551] get_compat_msghdr+0x108/0x2b0 [ 482.730937][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 482.735860][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 482.740772][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 482.745249][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 482.749746][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 482.754423][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 482.759090][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 482.765132][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 482.771176][ T8868] __do_fast_syscall_32+0x102/0x160 [ 482.777304][ T8551] __do_fast_syscall_32+0x102/0x160 [ 482.783778][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 482.789037][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 482.794210][ T8868] do_SYSENTER_32+0x73/0x90 [ 482.799053][ T8551] do_SYSENTER_32+0x73/0x90 [ 482.803879][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 482.808355][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 482.812816][ T8868] [ 482.819134][ T8551] [ 482.825435][ T8868] Uninit was stored to memory at: [ 482.827751][ T8551] Uninit was stored to memory at: [ 482.830092][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 482.835088][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 482.840104][ T8868] __msan_chain_origin+0x57/0xa0 [ 482.845815][ T8551] __msan_chain_origin+0x57/0xa0 [ 482.851520][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 482.856441][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 482.861354][ T8868] get_compat_msghdr+0x108/0x2b0 [ 482.866438][ T8551] get_compat_msghdr+0x108/0x2b0 [ 482.871701][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 482.876791][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 482.881699][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 482.886201][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 482.890712][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 482.895366][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 482.900031][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 482.906083][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 482.912134][ T8868] __do_fast_syscall_32+0x102/0x160 [ 482.918262][ T8551] __do_fast_syscall_32+0x102/0x160 [ 482.924389][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 482.929574][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 482.934740][ T8868] do_SYSENTER_32+0x73/0x90 [ 482.939566][ T8551] do_SYSENTER_32+0x73/0x90 [ 482.944395][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 482.948869][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 482.953332][ T8868] [ 482.959630][ T8551] [ 482.965930][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 482.968237][ T8551] Uninit was stored to memory at: [ 482.970557][ T8868] do_recvmmsg+0xbf/0x22f0 [ 482.977205][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 482.982398][ T8868] do_recvmmsg+0xbf/0x22f0 [ 482.986786][ T8551] __msan_chain_origin+0x57/0xa0 [ 483.001799][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 483.007396][ T8551] get_compat_msghdr+0x108/0x2b0 [ 483.012339][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 483.016845][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 483.021519][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 483.027600][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 483.033757][ T8551] __do_fast_syscall_32+0x102/0x160 [ 483.038976][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 483.043827][ T8551] do_SYSENTER_32+0x73/0x90 [ 483.048333][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 483.054642][ T8551] [ 483.056963][ T8551] Uninit was stored to memory at: [ 483.062007][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 483.067734][ T8551] __msan_chain_origin+0x57/0xa0 [ 483.072679][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 483.077882][ T8551] get_compat_msghdr+0x108/0x2b0 [ 483.082827][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 483.087342][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 483.092031][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 483.098117][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 483.104305][ T8551] __do_fast_syscall_32+0x102/0x160 [ 483.109525][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 483.114389][ T8551] do_SYSENTER_32+0x73/0x90 [ 483.118899][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 483.125217][ T8551] [ 483.127563][ T8551] Uninit was stored to memory at: [ 483.132596][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 483.138318][ T8551] __msan_chain_origin+0x57/0xa0 [ 483.143262][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 483.148380][ T8551] get_compat_msghdr+0x108/0x2b0 [ 483.153329][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 483.157924][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 483.162608][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 483.168683][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 483.174851][ T8551] __do_fast_syscall_32+0x102/0x160 [ 483.180840][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 483.185697][ T8551] do_SYSENTER_32+0x73/0x90 [ 483.190211][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 483.196527][ T8551] [ 483.198853][ T8551] Uninit was stored to memory at: [ 483.203883][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 483.209609][ T8551] __msan_chain_origin+0x57/0xa0 [ 483.214564][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 483.219682][ T8551] get_compat_msghdr+0x108/0x2b0 [ 483.224632][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 483.229178][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 483.233872][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 483.239942][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 483.246104][ T8551] __do_fast_syscall_32+0x102/0x160 [ 483.251312][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 483.256166][ T8551] do_SYSENTER_32+0x73/0x90 [ 483.260678][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 483.267174][ T8551] [ 483.269504][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 483.276188][ T8551] do_recvmmsg+0xbf/0x22f0 [ 483.280609][ T8551] do_recvmmsg+0xbf/0x22f0 [ 484.416804][ T8515] not chained 860000 origins [ 484.421544][ T8515] CPU: 1 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 484.430222][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 484.440385][ T8515] Call Trace: [ 484.443703][ T8515] dump_stack+0x21c/0x280 [ 484.448048][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 484.453782][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 484.458993][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 484.464815][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 484.470462][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 484.476375][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 484.482524][ T8515] ? __wake_up+0x1fc/0x250 [ 484.486968][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 484.492186][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 484.498101][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 484.504351][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 484.509567][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 484.515240][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 484.521761][ T8515] ? _copy_from_user+0x1fd/0x300 [ 484.526721][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 484.531953][ T8515] __msan_chain_origin+0x57/0xa0 [ 484.536910][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 484.542046][ T8515] get_compat_msghdr+0x108/0x2b0 [ 484.547015][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 484.551568][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 484.556780][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 484.562981][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 484.568193][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 484.573838][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 484.579135][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 484.583914][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 484.588604][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 484.593816][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 484.599034][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 484.605122][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 484.611295][ T8515] __do_fast_syscall_32+0x102/0x160 [ 484.616511][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 484.621376][ T8515] do_SYSENTER_32+0x73/0x90 [ 484.625987][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 484.632323][ T8515] RIP: 0023:0xf7fa1549 [ 484.636492][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 484.656806][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 484.665285][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 484.673275][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 484.681263][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 484.689252][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 484.697239][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 484.705228][ T8515] Uninit was stored to memory at: [ 484.710278][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 484.716010][ T8515] __msan_chain_origin+0x57/0xa0 [ 484.720957][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 484.726083][ T8515] get_compat_msghdr+0x108/0x2b0 [ 484.731033][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 484.735603][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 484.740295][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 484.746615][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 484.752791][ T8515] __do_fast_syscall_32+0x102/0x160 [ 484.758140][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 484.763014][ T8515] do_SYSENTER_32+0x73/0x90 [ 484.767531][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 484.773862][ T8515] [ 484.776199][ T8515] Uninit was stored to memory at: [ 484.781242][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 484.786972][ T8515] __msan_chain_origin+0x57/0xa0 [ 484.791929][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 484.797234][ T8515] get_compat_msghdr+0x108/0x2b0 [ 484.802271][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 484.806809][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 484.811503][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 484.817585][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 484.823756][ T8515] __do_fast_syscall_32+0x102/0x160 [ 484.829138][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 484.834045][ T8515] do_SYSENTER_32+0x73/0x90 [ 484.838565][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 484.844977][ T8515] [ 484.847333][ T8515] Uninit was stored to memory at: [ 484.852368][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 484.858178][ T8515] __msan_chain_origin+0x57/0xa0 [ 484.863131][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 484.868253][ T8515] get_compat_msghdr+0x108/0x2b0 [ 484.873209][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 484.877740][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 484.882426][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 484.888767][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 484.895070][ T8515] __do_fast_syscall_32+0x102/0x160 [ 484.900285][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 484.905157][ T8515] do_SYSENTER_32+0x73/0x90 [ 484.909677][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 484.916018][ T8515] [ 484.918345][ T8515] Uninit was stored to memory at: [ 484.923383][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 484.929123][ T8515] __msan_chain_origin+0x57/0xa0 [ 484.934109][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 484.939236][ T8515] get_compat_msghdr+0x108/0x2b0 [ 484.944188][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 484.948707][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 484.953457][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 484.959540][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 484.965718][ T8515] __do_fast_syscall_32+0x102/0x160 [ 484.971067][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 484.975943][ T8515] do_SYSENTER_32+0x73/0x90 [ 484.980582][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 484.986924][ T8515] [ 484.989431][ T8515] Uninit was stored to memory at: [ 484.994517][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 485.000331][ T8515] __msan_chain_origin+0x57/0xa0 [ 485.005286][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 485.010406][ T8515] get_compat_msghdr+0x108/0x2b0 [ 485.015350][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 485.019860][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 485.024537][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 485.030602][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 485.036753][ T8515] __do_fast_syscall_32+0x102/0x160 [ 485.041950][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 485.046800][ T8515] do_SYSENTER_32+0x73/0x90 [ 485.051302][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 485.057615][ T8515] [ 485.059965][ T8515] Uninit was stored to memory at: [ 485.064987][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 485.070703][ T8515] __msan_chain_origin+0x57/0xa0 [ 485.075638][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 485.080745][ T8515] get_compat_msghdr+0x108/0x2b0 [ 485.085683][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 485.090192][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 485.094867][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 485.100928][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 485.107101][ T8515] __do_fast_syscall_32+0x102/0x160 [ 485.112301][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 485.117173][ T8515] do_SYSENTER_32+0x73/0x90 [ 485.121673][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 485.127983][ T8515] [ 485.130300][ T8515] Uninit was stored to memory at: [ 485.135927][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 485.141671][ T8515] __msan_chain_origin+0x57/0xa0 [ 485.146605][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 485.151715][ T8515] get_compat_msghdr+0x108/0x2b0 [ 485.156647][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 485.161157][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 485.165829][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 485.171978][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 485.178215][ T8515] __do_fast_syscall_32+0x102/0x160 [ 485.183439][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 485.188285][ T8515] do_SYSENTER_32+0x73/0x90 [ 485.192789][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 485.199099][ T8515] [ 485.201416][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 485.208090][ T8515] do_recvmmsg+0xbf/0x22f0 [ 485.212502][ T8515] do_recvmmsg+0xbf/0x22f0 [ 485.245723][ T8551] not chained 870000 origins [ 485.250371][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 485.259065][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 485.269292][ T8551] Call Trace: [ 485.272611][ T8551] dump_stack+0x21c/0x280 [ 485.277288][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 485.283302][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 485.288531][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 485.295812][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 485.301170][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 485.307151][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 485.313371][ T8551] ? __wake_up+0x1fc/0x250 [ 485.317819][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 485.323041][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 485.328861][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 485.335044][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 485.340254][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 485.345957][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 485.352105][ T8551] ? _copy_from_user+0x1fd/0x300 [ 485.357053][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 485.362258][ T8551] __msan_chain_origin+0x57/0xa0 [ 485.367292][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 485.372505][ T8551] get_compat_msghdr+0x108/0x2b0 [ 485.377464][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 485.381987][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 485.387200][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 485.393195][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 485.398399][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 485.404042][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 485.409341][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 485.414117][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 485.418811][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 485.424024][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 485.429239][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 485.435321][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 485.441490][ T8551] __do_fast_syscall_32+0x102/0x160 [ 485.446703][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 485.451620][ T8551] do_SYSENTER_32+0x73/0x90 [ 485.456145][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 485.462476][ T8551] RIP: 0023:0xf7fa1549 [ 485.466561][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 485.486183][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 485.494622][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 485.502605][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 485.510581][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 485.518574][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 485.526558][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 485.534541][ T8551] Uninit was stored to memory at: [ 485.539577][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 485.545301][ T8551] __msan_chain_origin+0x57/0xa0 [ 485.550249][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 485.555461][ T8551] get_compat_msghdr+0x108/0x2b0 [ 485.560405][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 485.565031][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 485.569717][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 485.575795][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 485.581961][ T8551] __do_fast_syscall_32+0x102/0x160 [ 485.587218][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 485.592516][ T8551] do_SYSENTER_32+0x73/0x90 [ 485.597032][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 485.603355][ T8551] [ 485.605686][ T8551] Uninit was stored to memory at: [ 485.610721][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 485.616452][ T8551] __msan_chain_origin+0x57/0xa0 [ 485.621399][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 485.626521][ T8551] get_compat_msghdr+0x108/0x2b0 [ 485.631472][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 485.635990][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 485.640680][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 485.646753][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 485.652930][ T8551] __do_fast_syscall_32+0x102/0x160 [ 485.658209][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 485.663083][ T8551] do_SYSENTER_32+0x73/0x90 [ 485.667599][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 485.673922][ T8551] [ 485.676251][ T8551] Uninit was stored to memory at: [ 485.681285][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 485.687027][ T8551] __msan_chain_origin+0x57/0xa0 [ 485.691979][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 485.697102][ T8551] get_compat_msghdr+0x108/0x2b0 [ 485.702044][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 485.706554][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 485.711239][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 485.717319][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 485.723490][ T8551] __do_fast_syscall_32+0x102/0x160 [ 485.723679][ T8868] not chained 880000 origins [ 485.728701][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 485.733282][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 485.738118][ T8551] do_SYSENTER_32+0x73/0x90 [ 485.746757][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 485.751253][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 485.761439][ T8868] Call Trace: [ 485.767768][ T8551] [ 485.771054][ T8868] dump_stack+0x21c/0x280 [ 485.773357][ T8551] Uninit was stored to memory at: [ 485.777680][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 485.782689][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 485.788393][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 485.794091][ T8551] __msan_chain_origin+0x57/0xa0 [ 485.799285][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 485.804206][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 485.809991][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 485.815081][ T8551] get_compat_msghdr+0x108/0x2b0 [ 485.820257][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 485.825182][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 485.830966][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 485.835447][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 485.841495][ T8868] ? __wake_up+0x1fc/0x250 [ 485.846150][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 485.850572][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 485.856621][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 485.861800][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 485.867969][ T8551] __do_fast_syscall_32+0x102/0x160 [ 485.873836][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 485.879019][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 485.885072][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 485.889921][ T8551] do_SYSENTER_32+0x73/0x90 [ 485.895114][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 485.899628][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 485.905246][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 485.911535][ T8551] [ 485.917773][ T8868] ? _copy_from_user+0x1fd/0x300 [ 485.920105][ T8551] Uninit was stored to memory at: [ 485.925047][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 485.930060][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 485.935251][ T8868] __msan_chain_origin+0x57/0xa0 [ 485.940947][ T8551] __msan_chain_origin+0x57/0xa0 [ 485.945909][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 485.950823][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 485.955916][ T8868] get_compat_msghdr+0x108/0x2b0 [ 485.961097][ T8551] get_compat_msghdr+0x108/0x2b0 [ 485.966025][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 485.970981][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 485.975646][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 485.981259][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 485.986441][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 485.991102][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 485.997016][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 486.003106][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 486.008284][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 486.014425][ T8551] __do_fast_syscall_32+0x102/0x160 [ 486.020075][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 486.025261][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 486.030529][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 486.035363][ T8551] do_SYSENTER_32+0x73/0x90 [ 486.040108][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 486.044596][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 486.049251][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 486.055542][ T8551] [ 486.060729][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 486.063031][ T8551] Uninit was stored to memory at: [ 486.068222][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 486.073225][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 486.079275][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 486.084959][ T8551] __msan_chain_origin+0x57/0xa0 [ 486.084983][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 486.091121][ T8868] __do_fast_syscall_32+0x102/0x160 [ 486.096036][ T8551] get_compat_msghdr+0x108/0x2b0 [ 486.101132][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 486.106307][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 486.111227][ T8868] do_SYSENTER_32+0x73/0x90 [ 486.116079][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 486.120566][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 486.125045][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 486.129696][ T8868] RIP: 0023:0xf7fcc549 [ 486.136010][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 486.142066][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 486.146117][ T8551] __do_fast_syscall_32+0x102/0x160 [ 486.152271][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 [ 486.171960][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 486.177137][ T8868] ORIG_RAX: 0000000000000151 [ 486.183194][ T8551] do_SYSENTER_32+0x73/0x90 [ 486.188021][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 486.192683][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 486.197156][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 486.205138][ T8551] [ 486.211541][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 486.219615][ T8551] Uninit was stored to memory at: [ 486.221934][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 486.229898][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 486.234895][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 486.242854][ T8551] __msan_chain_origin+0x57/0xa0 [ 486.248545][ T8868] Uninit was stored to memory at: [ 486.256518][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 486.261460][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 486.261482][ T8868] __msan_chain_origin+0x57/0xa0 [ 486.266503][ T8551] get_compat_msghdr+0x108/0x2b0 [ 486.271594][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 486.278025][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 486.282951][ T8868] get_compat_msghdr+0x108/0x2b0 [ 486.287869][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 486.292968][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 486.297455][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 486.302364][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 486.307030][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 486.311513][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 486.317559][ T8551] __do_fast_syscall_32+0x102/0x160 [ 486.322217][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 486.328459][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 486.334517][ T8868] __do_fast_syscall_32+0x102/0x160 [ 486.339704][ T8551] do_SYSENTER_32+0x73/0x90 [ 486.345854][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 486.350686][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 486.355860][ T8868] do_SYSENTER_32+0x73/0x90 [ 486.360327][ T8551] [ 486.365172][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 486.371466][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 486.375953][ T8868] [ 486.378284][ T8551] do_recvmmsg+0xbf/0x22f0 [ 486.384576][ T8868] Uninit was stored to memory at: [ 486.391278][ T8551] do_recvmmsg+0xbf/0x22f0 [ 486.393599][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 486.413694][ T8868] __msan_chain_origin+0x57/0xa0 [ 486.418677][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 486.423803][ T8868] get_compat_msghdr+0x108/0x2b0 [ 486.428760][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 486.433280][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 486.437971][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 486.444054][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 486.450231][ T8868] __do_fast_syscall_32+0x102/0x160 [ 486.455525][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 486.460459][ T8868] do_SYSENTER_32+0x73/0x90 [ 486.465137][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 486.471498][ T8868] [ 486.473825][ T8868] Uninit was stored to memory at: [ 486.478867][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 486.484596][ T8868] __msan_chain_origin+0x57/0xa0 [ 486.489563][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 486.494684][ T8868] get_compat_msghdr+0x108/0x2b0 [ 486.499718][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 486.504227][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 486.508914][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 486.514991][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 486.521157][ T8868] __do_fast_syscall_32+0x102/0x160 [ 486.526379][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 486.531241][ T8868] do_SYSENTER_32+0x73/0x90 [ 486.536039][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 486.542357][ T8868] [ 486.544683][ T8868] Uninit was stored to memory at: [ 486.549720][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 486.555534][ T8868] __msan_chain_origin+0x57/0xa0 [ 486.560491][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 486.565615][ T8868] get_compat_msghdr+0x108/0x2b0 [ 486.570559][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 486.575072][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 486.579757][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 486.585922][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 486.592090][ T8868] __do_fast_syscall_32+0x102/0x160 [ 486.597299][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 486.602163][ T8868] do_SYSENTER_32+0x73/0x90 [ 486.606682][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 486.613006][ T8868] [ 486.615334][ T8868] Uninit was stored to memory at: [ 486.620368][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 486.626095][ T8868] __msan_chain_origin+0x57/0xa0 [ 486.631045][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 486.636168][ T8868] get_compat_msghdr+0x108/0x2b0 [ 486.638278][ T8551] not chained 890000 origins [ 486.641122][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 486.645706][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 486.650194][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 486.658840][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 486.663542][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 486.673571][ T8551] Call Trace: [ 486.679635][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 486.682907][ T8551] dump_stack+0x21c/0x280 [ 486.689684][ T8868] __do_fast_syscall_32+0x102/0x160 [ 486.694007][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 486.699198][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 486.704899][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 486.709912][ T8868] do_SYSENTER_32+0x73/0x90 [ 486.715092][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 486.719611][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 486.725435][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 486.731735][ T8868] [ 486.737066][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 486.737083][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 486.737113][ T8551] ? __wake_up+0x1fc/0x250 [ 486.739438][ T8868] Uninit was stored to memory at: [ 486.745252][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 486.751301][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 486.755837][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 486.761546][ T8868] __msan_chain_origin+0x57/0xa0 [ 486.766754][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 486.772754][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 486.778630][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 486.783566][ T8868] get_compat_msghdr+0x108/0x2b0 [ 486.789647][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 486.794743][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 486.799927][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 486.804929][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 486.810545][ T8551] ? _copy_from_user+0x1fd/0x300 [ 486.815032][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 486.821081][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 486.825743][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 486.830891][ T8551] __msan_chain_origin+0x57/0xa0 [ 486.837561][ T8868] __do_fast_syscall_32+0x102/0x160 [ 486.842767][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 486.848909][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 486.853827][ T8551] get_compat_msghdr+0x108/0x2b0 [ 486.859029][ T8868] do_SYSENTER_32+0x73/0x90 [ 486.864149][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 486.869021][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 486.873939][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 486.878475][ T8868] [ 486.882980][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 486.889279][ T8868] Uninit was stored to memory at: [ 486.894461][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 486.894485][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 486.896803][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 486.902711][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 486.907746][ T8868] __msan_chain_origin+0x57/0xa0 [ 486.912947][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 486.918572][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 486.924281][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 486.929800][ T8868] get_compat_msghdr+0x108/0x2b0 [ 486.934722][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 486.939469][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 486.944561][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 486.949227][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 486.954240][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 486.959434][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 486.963925][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 486.969108][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 486.973774][ T8551] __do_fast_syscall_32+0x102/0x160 [ 486.979840][ T8868] __do_fast_syscall_32+0x102/0x160 [ 486.985935][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 486.992073][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 486.998298][ T8551] do_SYSENTER_32+0x73/0x90 [ 487.004543][ T8868] do_SYSENTER_32+0x73/0x90 [ 487.009728][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 487.014584][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 487.019409][ T8551] RIP: 0023:0xf7fa1549 [ 487.023889][ T8868] [ 487.029429][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 487.035732][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 487.042050][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 [ 487.046109][ T8868] do_recvmmsg+0xbf/0x22f0 [ 487.048417][ T8551] ORIG_RAX: 0000000000000151 [ 487.068020][ T8868] do_recvmmsg+0xbf/0x22f0 [ 487.074675][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 487.102174][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 487.110422][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 487.118405][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 487.126389][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 487.134373][ T8551] Uninit was stored to memory at: [ 487.139416][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 487.145152][ T8551] __msan_chain_origin+0x57/0xa0 [ 487.150109][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 487.155231][ T8551] get_compat_msghdr+0x108/0x2b0 [ 487.160205][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 487.164720][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 487.169416][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 487.175501][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 487.181845][ T8551] __do_fast_syscall_32+0x102/0x160 [ 487.187466][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 487.192335][ T8551] do_SYSENTER_32+0x73/0x90 [ 487.196856][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 487.203179][ T8551] [ 487.205592][ T8551] Uninit was stored to memory at: [ 487.210666][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 487.216914][ T8551] __msan_chain_origin+0x57/0xa0 [ 487.222493][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 487.227620][ T8551] get_compat_msghdr+0x108/0x2b0 [ 487.232575][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 487.237200][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 487.241949][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 487.248037][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 487.254905][ T8551] __do_fast_syscall_32+0x102/0x160 [ 487.260295][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 487.265163][ T8551] do_SYSENTER_32+0x73/0x90 [ 487.270294][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 487.276617][ T8551] [ 487.278948][ T8551] Uninit was stored to memory at: [ 487.283989][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 487.289737][ T8551] __msan_chain_origin+0x57/0xa0 [ 487.294692][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 487.300257][ T8551] get_compat_msghdr+0x108/0x2b0 [ 487.305381][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 487.309899][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 487.314593][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 487.322236][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 487.328487][ T8551] __do_fast_syscall_32+0x102/0x160 [ 487.334446][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 487.340155][ T8551] do_SYSENTER_32+0x73/0x90 [ 487.344676][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 487.351001][ T8551] [ 487.353341][ T8551] Uninit was stored to memory at: [ 487.358380][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 487.364118][ T8551] __msan_chain_origin+0x57/0xa0 [ 487.369204][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 487.374345][ T8551] get_compat_msghdr+0x108/0x2b0 [ 487.379320][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 487.383926][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 487.388620][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 487.394721][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 487.400895][ T8551] __do_fast_syscall_32+0x102/0x160 [ 487.406117][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 487.410988][ T8551] do_SYSENTER_32+0x73/0x90 [ 487.415597][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 487.421921][ T8551] [ 487.424254][ T8551] Uninit was stored to memory at: [ 487.429291][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 487.435117][ T8551] __msan_chain_origin+0x57/0xa0 [ 487.440154][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 487.445563][ T8551] get_compat_msghdr+0x108/0x2b0 [ 487.450515][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 487.455098][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 487.459886][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 487.466452][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 487.472803][ T8551] __do_fast_syscall_32+0x102/0x160 [ 487.478018][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 487.483030][ T8551] do_SYSENTER_32+0x73/0x90 [ 487.487559][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 487.493891][ T8551] [ 487.496252][ T8551] Uninit was stored to memory at: [ 487.501292][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 487.507114][ T8551] __msan_chain_origin+0x57/0xa0 [ 487.512084][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 487.517503][ T8551] get_compat_msghdr+0x108/0x2b0 [ 487.522459][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 487.527028][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 487.531723][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 487.537805][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 487.543982][ T8551] __do_fast_syscall_32+0x102/0x160 [ 487.549229][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 487.554272][ T8551] do_SYSENTER_32+0x73/0x90 [ 487.558798][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 487.565259][ T8551] [ 487.567618][ T8551] Uninit was stored to memory at: [ 487.572662][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 487.578457][ T8551] __msan_chain_origin+0x57/0xa0 [ 487.583503][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 487.588630][ T8551] get_compat_msghdr+0x108/0x2b0 [ 487.593624][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 487.598236][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 487.602931][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 487.609015][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 487.615212][ T8551] __do_fast_syscall_32+0x102/0x160 [ 487.620575][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 487.625460][ T8551] do_SYSENTER_32+0x73/0x90 [ 487.629989][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 487.636531][ T8551] [ 487.638938][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 487.645631][ T8551] do_recvmmsg+0xbf/0x22f0 [ 487.650152][ T8551] do_recvmmsg+0xbf/0x22f0 [ 488.676128][ T8868] not chained 900000 origins [ 488.680855][ T8868] CPU: 0 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 488.690671][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 488.700732][ T8868] Call Trace: [ 488.704039][ T8868] dump_stack+0x21c/0x280 [ 488.708376][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 488.714103][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 488.719309][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 488.725125][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 488.730347][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 488.736166][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 488.742263][ T8868] ? __wake_up+0x1fc/0x250 [ 488.746696][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 488.751908][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 488.757739][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 488.763826][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 488.769032][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 488.774687][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 488.780761][ T8868] ? _copy_from_user+0x1fd/0x300 [ 488.785708][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 488.790908][ T8868] __msan_chain_origin+0x57/0xa0 [ 488.795860][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 488.801101][ T8868] get_compat_msghdr+0x108/0x2b0 [ 488.806052][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 488.810664][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 488.816000][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 488.821920][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 488.827209][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 488.832846][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 488.838142][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 488.842973][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 488.847690][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 488.852914][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 488.858130][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 488.864246][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 488.870410][ T8868] __do_fast_syscall_32+0x102/0x160 [ 488.875718][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 488.880593][ T8868] do_SYSENTER_32+0x73/0x90 [ 488.885126][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 488.891461][ T8868] RIP: 0023:0xf7fcc549 [ 488.895543][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 488.915161][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 488.923592][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 488.931583][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 488.939650][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 488.947638][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 488.955619][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 488.964345][ T8868] Uninit was stored to memory at: [ 488.969489][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 488.975229][ T8868] __msan_chain_origin+0x57/0xa0 [ 488.980271][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 488.985500][ T8868] get_compat_msghdr+0x108/0x2b0 [ 488.986304][ T8515] not chained 910000 origins [ 488.990558][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 488.995136][ T8515] CPU: 1 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 488.999617][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 489.008253][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 489.012914][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 489.023299][ T8515] Call Trace: [ 489.029352][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 489.032615][ T8515] dump_stack+0x21c/0x280 [ 489.038762][ T8868] __do_fast_syscall_32+0x102/0x160 [ 489.043186][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 489.048363][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 489.054062][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 489.058906][ T8868] do_SYSENTER_32+0x73/0x90 [ 489.064077][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 489.068560][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 489.074337][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 489.080669][ T8868] [ 489.085863][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 489.088157][ T8868] Uninit was stored to memory at: [ 489.093947][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 489.099050][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 489.105287][ T8515] ? __wake_up+0x1fc/0x250 [ 489.110983][ T8868] __msan_chain_origin+0x57/0xa0 [ 489.115376][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 489.120289][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 489.125464][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 489.130747][ T8868] get_compat_msghdr+0x108/0x2b0 [ 489.136620][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 489.141533][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 489.147661][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 489.152141][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 489.157833][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 489.162508][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 489.168133][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 489.174171][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 489.180215][ T8515] ? _copy_from_user+0x1fd/0x300 [ 489.186452][ T8868] __do_fast_syscall_32+0x102/0x160 [ 489.191361][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 489.196537][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 489.201708][ T8515] __msan_chain_origin+0x57/0xa0 [ 489.206535][ T8868] do_SYSENTER_32+0x73/0x90 [ 489.211477][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 489.215962][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 489.221077][ T8515] get_compat_msghdr+0x108/0x2b0 [ 489.227392][ T8868] [ 489.232332][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 489.234724][ T8868] Uninit was stored to memory at: [ 489.239495][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 489.244502][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 489.249761][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 489.255463][ T8868] __msan_chain_origin+0x57/0xa0 [ 489.261591][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 489.266591][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 489.271785][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 489.276875][ T8868] get_compat_msghdr+0x108/0x2b0 [ 489.282483][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 489.287415][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 489.292825][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 489.297305][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 489.302074][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 489.306734][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 489.311388][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 489.317434][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 489.322694][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 489.328845][ T8868] __do_fast_syscall_32+0x102/0x160 [ 489.334042][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 489.339289][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 489.345347][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 489.350634][ T8868] do_SYSENTER_32+0x73/0x90 [ 489.356767][ T8515] __do_fast_syscall_32+0x102/0x160 [ 489.361246][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 489.366422][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 489.372711][ T8868] [ 489.377550][ T8515] do_SYSENTER_32+0x73/0x90 [ 489.380198][ T8868] Uninit was stored to memory at: [ 489.384866][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 489.390039][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 489.396426][ T8515] RIP: 0023:0xf7fa1549 [ 489.402224][ T8868] __msan_chain_origin+0x57/0xa0 [ 489.406275][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 489.411285][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 489.431076][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 [ 489.436157][ T8868] get_compat_msghdr+0x108/0x2b0 [ 489.436174][ T8515] ORIG_RAX: 0000000000000151 [ 489.442222][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 489.447129][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 489.451786][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 489.456261][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 489.464220][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 489.468878][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 489.477603][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 489.483816][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 489.492140][ T8868] __do_fast_syscall_32+0x102/0x160 [ 489.498266][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 489.506224][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 489.511385][ T8515] Uninit was stored to memory at: [ 489.519348][ T8868] do_SYSENTER_32+0x73/0x90 [ 489.524174][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 489.529276][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 489.533749][ T8515] __msan_chain_origin+0x57/0xa0 [ 489.539443][ T8868] [ 489.545759][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 489.550660][ T8868] Uninit was stored to memory at: [ 489.553002][ T8515] get_compat_msghdr+0x108/0x2b0 [ 489.558085][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 489.563088][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 489.567999][ T8868] __msan_chain_origin+0x57/0xa0 [ 489.573696][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 489.578175][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 489.583093][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 489.587778][ T8868] get_compat_msghdr+0x108/0x2b0 [ 489.592972][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 489.599361][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 489.604276][ T8515] __do_fast_syscall_32+0x102/0x160 [ 489.610420][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 489.614904][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 489.620172][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 489.625086][ T8515] do_SYSENTER_32+0x73/0x90 [ 489.629912][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 489.635960][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 489.640432][ T8868] __do_fast_syscall_32+0x102/0x160 [ 489.646631][ T8515] [ 489.652945][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 489.658106][ T8515] Uninit was stored to memory at: [ 489.660424][ T8868] do_SYSENTER_32+0x73/0x90 [ 489.665247][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 489.670350][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 489.674827][ T8515] __msan_chain_origin+0x57/0xa0 [ 489.680510][ T8868] [ 489.686913][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 489.691839][ T8868] Uninit was stored to memory at: [ 489.694156][ T8515] get_compat_msghdr+0x108/0x2b0 [ 489.700980][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 489.705984][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 489.711422][ T8868] __msan_chain_origin+0x57/0xa0 [ 489.717118][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 489.721599][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 489.726536][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 489.731187][ T8868] get_compat_msghdr+0x108/0x2b0 [ 489.736278][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 489.742529][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 489.747467][ T8515] __do_fast_syscall_32+0x102/0x160 [ 489.753829][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 489.758311][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 489.763490][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 489.768150][ T8515] do_SYSENTER_32+0x73/0x90 [ 489.772976][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 489.779124][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 489.783628][ T8868] __do_fast_syscall_32+0x102/0x160 [ 489.789848][ T8515] [ 489.796253][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 489.801440][ T8515] Uninit was stored to memory at: [ 489.803760][ T8868] do_SYSENTER_32+0x73/0x90 [ 489.808671][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 489.813675][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 489.818151][ T8515] __msan_chain_origin+0x57/0xa0 [ 489.823835][ T8868] [ 489.830149][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 489.835050][ T8868] Uninit was stored to memory at: [ 489.837588][ T8515] get_compat_msghdr+0x108/0x2b0 [ 489.842875][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 489.847876][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 489.852786][ T8868] __msan_chain_origin+0x57/0xa0 [ 489.858482][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 489.862961][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 489.867978][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 489.872628][ T8868] get_compat_msghdr+0x108/0x2b0 [ 489.877746][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 489.883801][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 489.888717][ T8515] __do_fast_syscall_32+0x102/0x160 [ 489.894968][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 489.899462][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 489.904655][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 489.909407][ T8515] do_SYSENTER_32+0x73/0x90 [ 489.914250][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 489.920293][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 489.924771][ T8868] __do_fast_syscall_32+0x102/0x160 [ 489.930888][ T8515] [ 489.937207][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 489.942382][ T8515] Uninit was stored to memory at: [ 489.945312][ T8868] do_SYSENTER_32+0x73/0x90 [ 489.950157][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 489.955506][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 489.960066][ T8515] __msan_chain_origin+0x57/0xa0 [ 489.965748][ T8868] [ 489.972067][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 489.976969][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 489.979298][ T8515] get_compat_msghdr+0x108/0x2b0 [ 489.984387][ T8868] do_recvmmsg+0xbf/0x22f0 [ 489.991037][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 489.996052][ T8868] do_recvmmsg+0xbf/0x22f0 [ 490.000706][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 490.014258][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 490.020357][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 490.026650][ T8515] __do_fast_syscall_32+0x102/0x160 [ 490.031866][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 490.036723][ T8515] do_SYSENTER_32+0x73/0x90 [ 490.041239][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 490.047554][ T8515] [ 490.049881][ T8515] Uninit was stored to memory at: [ 490.054915][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 490.060634][ T8515] __msan_chain_origin+0x57/0xa0 [ 490.065606][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 490.070719][ T8515] get_compat_msghdr+0x108/0x2b0 [ 490.075662][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 490.080186][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 490.084885][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 490.090956][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 490.097123][ T8515] __do_fast_syscall_32+0x102/0x160 [ 490.102334][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 490.107189][ T8515] do_SYSENTER_32+0x73/0x90 [ 490.111699][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 490.118013][ T8515] [ 490.120333][ T8515] Uninit was stored to memory at: [ 490.125446][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 490.131183][ T8515] __msan_chain_origin+0x57/0xa0 [ 490.136128][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 490.141247][ T8515] get_compat_msghdr+0x108/0x2b0 [ 490.146273][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 490.150785][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 490.155758][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 490.161921][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 490.168200][ T8515] __do_fast_syscall_32+0x102/0x160 [ 490.173488][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 490.178430][ T8515] do_SYSENTER_32+0x73/0x90 [ 490.182937][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 490.189249][ T8515] [ 490.191571][ T8515] Uninit was stored to memory at: [ 490.196619][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 490.202354][ T8515] __msan_chain_origin+0x57/0xa0 [ 490.207294][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 490.212504][ T8515] get_compat_msghdr+0x108/0x2b0 [ 490.217450][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 490.221961][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 490.226824][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 490.232917][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 490.239077][ T8515] __do_fast_syscall_32+0x102/0x160 [ 490.244281][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 490.249151][ T8515] do_SYSENTER_32+0x73/0x90 [ 490.253664][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 490.259977][ T8515] [ 490.262303][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 490.268976][ T8515] do_recvmmsg+0xbf/0x22f0 [ 490.273440][ T8515] do_recvmmsg+0xbf/0x22f0 [ 490.922095][ T8551] not chained 920000 origins [ 490.926849][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 490.935530][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 490.945603][ T8551] Call Trace: [ 490.948922][ T8551] dump_stack+0x21c/0x280 [ 490.953454][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 490.959194][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 490.967541][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 490.973463][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 490.978682][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 490.984512][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 490.990604][ T8551] ? __wake_up+0x1fc/0x250 [ 490.995045][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 491.000264][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 491.006088][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 491.012172][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 491.017396][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 491.023134][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 491.029214][ T8551] ? _copy_from_user+0x1fd/0x300 [ 491.034165][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 491.039462][ T8551] __msan_chain_origin+0x57/0xa0 [ 491.044440][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 491.049761][ T8551] get_compat_msghdr+0x108/0x2b0 [ 491.054717][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 491.059241][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 491.064454][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 491.070365][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 491.075581][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 491.081240][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 491.086543][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 491.091413][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 491.096207][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 491.101677][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 491.106918][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 491.113040][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 491.119218][ T8551] __do_fast_syscall_32+0x102/0x160 [ 491.124914][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 491.129789][ T8551] do_SYSENTER_32+0x73/0x90 [ 491.134354][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 491.140694][ T8551] RIP: 0023:0xf7fa1549 [ 491.144791][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 491.164416][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 491.172841][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 491.180817][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 491.188879][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 491.196852][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 491.206130][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 491.215151][ T8551] Uninit was stored to memory at: [ 491.220192][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 491.226030][ T8551] __msan_chain_origin+0x57/0xa0 [ 491.230987][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 491.236193][ T8551] get_compat_msghdr+0x108/0x2b0 [ 491.241222][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 491.245727][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 491.250537][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 491.256720][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 491.262889][ T8551] __do_fast_syscall_32+0x102/0x160 [ 491.268186][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 491.273056][ T8551] do_SYSENTER_32+0x73/0x90 [ 491.277573][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 491.283895][ T8551] [ 491.286227][ T8551] Uninit was stored to memory at: [ 491.291343][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 491.297068][ T8551] __msan_chain_origin+0x57/0xa0 [ 491.302011][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 491.305315][ T8868] not chained 930000 origins [ 491.307143][ T8551] get_compat_msghdr+0x108/0x2b0 [ 491.311735][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 491.316652][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 491.325291][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 491.329778][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 491.339801][ T8868] Call Trace: [ 491.344469][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 491.347745][ T8868] dump_stack+0x21c/0x280 [ 491.353795][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 491.358101][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 491.364248][ T8551] __do_fast_syscall_32+0x102/0x160 [ 491.369941][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 491.375126][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 491.380300][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 491.385163][ T8551] do_SYSENTER_32+0x73/0x90 [ 491.390938][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 491.395429][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 491.400599][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 491.406891][ T8551] [ 491.413205][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 491.415512][ T8551] Uninit was stored to memory at: [ 491.421598][ T8868] ? __wake_up+0x1fc/0x250 [ 491.426594][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 491.430996][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 491.436704][ T8551] __msan_chain_origin+0x57/0xa0 [ 491.441879][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 491.446791][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 491.452576][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 491.457661][ T8551] get_compat_msghdr+0x108/0x2b0 [ 491.463703][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 491.468617][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 491.473812][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 491.478293][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 491.483929][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 491.488707][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 491.494755][ T8868] ? _copy_from_user+0x1fd/0x300 [ 491.500796][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 491.505705][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 491.511839][ T8551] __do_fast_syscall_32+0x102/0x160 [ 491.517012][ T8868] __msan_chain_origin+0x57/0xa0 [ 491.522189][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 491.527293][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 491.532307][ T8551] do_SYSENTER_32+0x73/0x90 [ 491.537409][ T8868] get_compat_msghdr+0x108/0x2b0 [ 491.541892][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 491.546804][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 491.553092][ T8551] [ 491.557597][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 491.559896][ T8551] Uninit was stored to memory at: [ 491.565084][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 491.570083][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 491.576045][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 491.581832][ T8551] __msan_chain_origin+0x57/0xa0 [ 491.587282][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 491.592196][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 491.597803][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 491.602916][ T8551] get_compat_msghdr+0x108/0x2b0 [ 491.608264][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 491.613183][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 491.617924][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 491.622402][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 491.627229][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 491.631883][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 491.637144][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 491.643209][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 491.648399][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 491.654716][ T8551] __do_fast_syscall_32+0x102/0x160 [ 491.660759][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 491.666019][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 491.672235][ T8868] __do_fast_syscall_32+0x102/0x160 [ 491.677064][ T8551] do_SYSENTER_32+0x73/0x90 [ 491.682241][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 491.686806][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 491.691636][ T8868] do_SYSENTER_32+0x73/0x90 [ 491.697925][ T8551] [ 491.702419][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 491.704736][ T8551] Uninit was stored to memory at: [ 491.711058][ T8868] RIP: 0023:0xf7fcc549 [ 491.716059][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 491.720103][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 491.725796][ T8551] __msan_chain_origin+0x57/0xa0 [ 491.745481][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 [ 491.750417][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 491.750435][ T8868] ORIG_RAX: 0000000000000151 [ 491.756602][ T8551] get_compat_msghdr+0x108/0x2b0 [ 491.761691][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 491.766356][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 491.771267][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 491.779226][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 491.783700][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 491.791664][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 491.796309][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 491.804291][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 491.810326][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 491.818287][ T8551] __do_fast_syscall_32+0x102/0x160 [ 491.824424][ T8868] Uninit was stored to memory at: [ 491.832421][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 491.837595][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 491.842595][ T8551] do_SYSENTER_32+0x73/0x90 [ 491.847418][ T8868] __msan_chain_origin+0x57/0xa0 [ 491.853119][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 491.857854][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 491.862755][ T8551] [ 491.869191][ T8868] get_compat_msghdr+0x108/0x2b0 [ 491.874265][ T8551] Uninit was stored to memory at: [ 491.876589][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 491.881504][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 491.886898][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 491.891374][ T8551] __msan_chain_origin+0x57/0xa0 [ 491.897072][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 491.901721][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 491.906635][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 491.912674][ T8551] get_compat_msghdr+0x108/0x2b0 [ 491.917876][ T8868] __do_fast_syscall_32+0x102/0x160 [ 491.924005][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 491.928948][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 491.934148][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 491.938629][ T8868] do_SYSENTER_32+0x73/0x90 [ 491.943488][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 491.948144][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 491.952708][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 491.958735][ T8868] [ 491.965929][ T8551] __do_fast_syscall_32+0x102/0x160 [ 491.972061][ T8868] Uninit was stored to memory at: [ 491.974381][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 491.981466][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 491.986472][ T8551] do_SYSENTER_32+0x73/0x90 [ 491.991307][ T8868] __msan_chain_origin+0x57/0xa0 [ 491.997006][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 492.001486][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 492.006385][ T8551] [ 492.012698][ T8868] get_compat_msghdr+0x108/0x2b0 [ 492.017772][ T8551] Uninit was stored to memory at: [ 492.020092][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 492.025002][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 492.030017][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 492.035390][ T8551] __msan_chain_origin+0x57/0xa0 [ 492.041090][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 492.045740][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 492.050668][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 492.056707][ T8551] get_compat_msghdr+0x108/0x2b0 [ 492.061795][ T8868] __do_fast_syscall_32+0x102/0x160 [ 492.068036][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 492.072951][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 492.078126][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 492.082605][ T8868] do_SYSENTER_32+0x73/0x90 [ 492.087443][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 492.092101][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 492.096611][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 492.102640][ T8868] [ 492.108962][ T8551] __do_fast_syscall_32+0x102/0x160 [ 492.115081][ T8868] Uninit was stored to memory at: [ 492.117401][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 492.122802][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 492.128156][ T8551] do_SYSENTER_32+0x73/0x90 [ 492.133675][ T8868] __msan_chain_origin+0x57/0xa0 [ 492.139374][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 492.143851][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 492.148759][ T8551] [ 492.155507][ T8868] get_compat_msghdr+0x108/0x2b0 [ 492.160582][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 492.162900][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 492.167825][ T8551] do_recvmmsg+0xbf/0x22f0 [ 492.174483][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 492.178994][ T8551] do_recvmmsg+0xbf/0x22f0 [ 492.183389][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 492.198524][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 492.204702][ T8868] __do_fast_syscall_32+0x102/0x160 [ 492.209917][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 492.214780][ T8868] do_SYSENTER_32+0x73/0x90 [ 492.219294][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 492.225616][ T8868] [ 492.227948][ T8868] Uninit was stored to memory at: [ 492.232987][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 492.238708][ T8868] __msan_chain_origin+0x57/0xa0 [ 492.243650][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 492.248766][ T8868] get_compat_msghdr+0x108/0x2b0 [ 492.253826][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 492.258334][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 492.263019][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 492.269097][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 492.275274][ T8868] __do_fast_syscall_32+0x102/0x160 [ 492.280859][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 492.285814][ T8868] do_SYSENTER_32+0x73/0x90 [ 492.290340][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 492.296666][ T8868] [ 492.299012][ T8868] Uninit was stored to memory at: [ 492.304046][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 492.309778][ T8868] __msan_chain_origin+0x57/0xa0 [ 492.314727][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 492.319842][ T8868] get_compat_msghdr+0x108/0x2b0 [ 492.324789][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 492.329302][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 492.333991][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 492.340067][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 492.346237][ T8868] __do_fast_syscall_32+0x102/0x160 [ 492.351493][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 492.356379][ T8868] do_SYSENTER_32+0x73/0x90 [ 492.360891][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 492.367214][ T8868] [ 492.369633][ T8868] Uninit was stored to memory at: [ 492.374703][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 492.380529][ T8868] __msan_chain_origin+0x57/0xa0 [ 492.385593][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 492.390894][ T8868] get_compat_msghdr+0x108/0x2b0 [ 492.395847][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 492.400359][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 492.405051][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 492.411130][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 492.417453][ T8868] __do_fast_syscall_32+0x102/0x160 [ 492.422678][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 492.427586][ T8868] do_SYSENTER_32+0x73/0x90 [ 492.432213][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 492.438628][ T8868] [ 492.440952][ T8868] Uninit was stored to memory at: [ 492.445983][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 492.451708][ T8868] __msan_chain_origin+0x57/0xa0 [ 492.456723][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 492.461843][ T8868] get_compat_msghdr+0x108/0x2b0 [ 492.466781][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 492.471284][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 492.475967][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 492.482304][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 492.488471][ T8868] __do_fast_syscall_32+0x102/0x160 [ 492.494120][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 492.498996][ T8868] do_SYSENTER_32+0x73/0x90 [ 492.503518][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 492.509835][ T8868] [ 492.512283][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 492.519660][ T8868] do_recvmmsg+0xbf/0x22f0 [ 492.524086][ T8868] do_recvmmsg+0xbf/0x22f0 [ 492.747261][ T8515] not chained 940000 origins [ 492.751901][ T8515] CPU: 1 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 492.760583][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 492.770643][ T8515] Call Trace: [ 492.773968][ T8515] dump_stack+0x21c/0x280 [ 492.778307][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 492.784033][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 492.789348][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 492.795164][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 492.800366][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 492.806185][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 492.812285][ T8515] ? __wake_up+0x1fc/0x250 [ 492.816720][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 492.822188][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 492.827997][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 492.834067][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 492.839268][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 492.844914][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 492.850985][ T8515] ? _copy_from_user+0x1fd/0x300 [ 492.855927][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 492.861129][ T8515] __msan_chain_origin+0x57/0xa0 [ 492.866073][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 492.871200][ T8515] get_compat_msghdr+0x108/0x2b0 [ 492.876149][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 492.880667][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 492.885870][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 492.892026][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 492.897240][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 492.902880][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 492.908170][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 492.912941][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 492.917628][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 492.922842][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 492.928056][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 492.934179][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 492.940350][ T8515] __do_fast_syscall_32+0x102/0x160 [ 492.945570][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 492.950467][ T8515] do_SYSENTER_32+0x73/0x90 [ 492.954989][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 492.961315][ T8515] RIP: 0023:0xf7fa1549 [ 492.965478][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 492.985097][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 492.993526][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 493.001509][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 493.009494][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 493.017563][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 493.025634][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 493.033611][ T8515] Uninit was stored to memory at: [ 493.038650][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 493.044373][ T8515] __msan_chain_origin+0x57/0xa0 [ 493.049320][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 493.054436][ T8515] get_compat_msghdr+0x108/0x2b0 [ 493.059380][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 493.063950][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 493.068632][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 493.074705][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 493.080860][ T8515] __do_fast_syscall_32+0x102/0x160 [ 493.086062][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 493.090920][ T8515] do_SYSENTER_32+0x73/0x90 [ 493.095430][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 493.101752][ T8515] [ 493.104075][ T8515] Uninit was stored to memory at: [ 493.109104][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 493.114828][ T8515] __msan_chain_origin+0x57/0xa0 [ 493.119813][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 493.124933][ T8515] get_compat_msghdr+0x108/0x2b0 [ 493.129878][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 493.134917][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 493.140819][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 493.147243][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 493.153509][ T8515] __do_fast_syscall_32+0x102/0x160 [ 493.158715][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 493.163579][ T8515] do_SYSENTER_32+0x73/0x90 [ 493.168095][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 493.174412][ T8515] [ 493.176745][ T8515] Uninit was stored to memory at: [ 493.181783][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 493.187508][ T8515] __msan_chain_origin+0x57/0xa0 [ 493.192459][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 493.197583][ T8515] get_compat_msghdr+0x108/0x2b0 [ 493.202532][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 493.207052][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 493.211740][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 493.217835][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 493.223999][ T8515] __do_fast_syscall_32+0x102/0x160 [ 493.229206][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 493.234067][ T8515] do_SYSENTER_32+0x73/0x90 [ 493.239099][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 493.245414][ T8515] [ 493.247770][ T8515] Uninit was stored to memory at: [ 493.252808][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 493.258530][ T8515] __msan_chain_origin+0x57/0xa0 [ 493.263481][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 493.268690][ T8515] get_compat_msghdr+0x108/0x2b0 [ 493.273635][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 493.278145][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 493.282824][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 493.288905][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 493.295071][ T8515] __do_fast_syscall_32+0x102/0x160 [ 493.300279][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 493.305152][ T8515] do_SYSENTER_32+0x73/0x90 [ 493.309664][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 493.316066][ T8515] [ 493.318384][ T8515] Uninit was stored to memory at: [ 493.323416][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 493.329158][ T8515] __msan_chain_origin+0x57/0xa0 [ 493.334365][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 493.339489][ T8515] get_compat_msghdr+0x108/0x2b0 [ 493.344436][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 493.348950][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 493.353640][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 493.359712][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 493.365960][ T8515] __do_fast_syscall_32+0x102/0x160 [ 493.371165][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 493.376022][ T8515] do_SYSENTER_32+0x73/0x90 [ 493.380526][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 493.386839][ T8515] [ 493.389175][ T8515] Uninit was stored to memory at: [ 493.394206][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 493.399924][ T8515] __msan_chain_origin+0x57/0xa0 [ 493.404953][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 493.410065][ T8515] get_compat_msghdr+0x108/0x2b0 [ 493.415005][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 493.419554][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 493.424233][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 493.430306][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 493.436480][ T8515] __do_fast_syscall_32+0x102/0x160 [ 493.441686][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 493.446535][ T8515] do_SYSENTER_32+0x73/0x90 [ 493.451130][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 493.457451][ T8515] [ 493.459772][ T8515] Uninit was stored to memory at: [ 493.464799][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 493.470517][ T8515] __msan_chain_origin+0x57/0xa0 [ 493.475469][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 493.480843][ T8515] get_compat_msghdr+0x108/0x2b0 [ 493.485783][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 493.490326][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 493.495013][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 493.501219][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 493.507386][ T8515] __do_fast_syscall_32+0x102/0x160 [ 493.512597][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 493.517540][ T8515] do_SYSENTER_32+0x73/0x90 [ 493.522051][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 493.528367][ T8515] [ 493.530687][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 493.537366][ T8515] do_recvmmsg+0xbf/0x22f0 [ 493.541786][ T8515] do_recvmmsg+0xbf/0x22f0 [ 493.794024][ T8515] not chained 950000 origins [ 493.798759][ T8515] CPU: 1 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 493.807429][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 493.817492][ T8515] Call Trace: [ 493.820791][ T8515] dump_stack+0x21c/0x280 [ 493.825132][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 493.830855][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 493.836059][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 493.841866][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 493.847072][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 493.852883][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 493.858956][ T8515] ? __wake_up+0x1fc/0x250 [ 493.863373][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 493.868577][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 493.874411][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 493.880579][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 493.885867][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 493.891512][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 493.897582][ T8515] ? _copy_from_user+0x1fd/0x300 [ 493.902550][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 493.907749][ T8515] __msan_chain_origin+0x57/0xa0 [ 493.912717][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 493.917844][ T8515] get_compat_msghdr+0x108/0x2b0 [ 493.922797][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 493.927517][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 493.932728][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 493.938892][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 493.944108][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 493.949746][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 493.955035][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 493.959799][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 493.964481][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 493.969683][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 493.974893][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 493.980972][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 493.987129][ T8515] __do_fast_syscall_32+0x102/0x160 [ 493.992333][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 493.997190][ T8515] do_SYSENTER_32+0x73/0x90 [ 494.001702][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 494.008030][ T8515] RIP: 0023:0xf7fa1549 [ 494.012103][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 494.031713][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 494.040131][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 494.048104][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 494.056078][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 494.064056][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 494.072029][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 494.079999][ T8515] Uninit was stored to memory at: [ 494.085036][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 494.090760][ T8515] __msan_chain_origin+0x57/0xa0 [ 494.095702][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 494.100844][ T8515] get_compat_msghdr+0x108/0x2b0 [ 494.105785][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 494.110286][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 494.115003][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 494.121078][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 494.127243][ T8515] __do_fast_syscall_32+0x102/0x160 [ 494.132446][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 494.137296][ T8515] do_SYSENTER_32+0x73/0x90 [ 494.141893][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 494.148214][ T8515] [ 494.150551][ T8515] Uninit was stored to memory at: [ 494.155579][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 494.161300][ T8515] __msan_chain_origin+0x57/0xa0 [ 494.166240][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 494.171350][ T8515] get_compat_msghdr+0x108/0x2b0 [ 494.176291][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 494.180793][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 494.185473][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 494.191544][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 494.197701][ T8515] __do_fast_syscall_32+0x102/0x160 [ 494.202903][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 494.207760][ T8515] do_SYSENTER_32+0x73/0x90 [ 494.212271][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 494.218605][ T8515] [ 494.220931][ T8515] Uninit was stored to memory at: [ 494.225966][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 494.231687][ T8515] __msan_chain_origin+0x57/0xa0 [ 494.236629][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 494.241746][ T8515] get_compat_msghdr+0x108/0x2b0 [ 494.246682][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 494.251195][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 494.255872][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 494.261952][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 494.268117][ T8515] __do_fast_syscall_32+0x102/0x160 [ 494.273326][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 494.278181][ T8515] do_SYSENTER_32+0x73/0x90 [ 494.282687][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 494.289011][ T8515] [ 494.291345][ T8515] Uninit was stored to memory at: [ 494.296386][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 494.302111][ T8515] __msan_chain_origin+0x57/0xa0 [ 494.307056][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 494.312169][ T8515] get_compat_msghdr+0x108/0x2b0 [ 494.317111][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 494.321616][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 494.326300][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 494.332371][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 494.338529][ T8515] __do_fast_syscall_32+0x102/0x160 [ 494.343729][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 494.348580][ T8515] do_SYSENTER_32+0x73/0x90 [ 494.353092][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 494.359406][ T8515] [ 494.361727][ T8515] Uninit was stored to memory at: [ 494.366751][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 494.372469][ T8515] __msan_chain_origin+0x57/0xa0 [ 494.377408][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 494.382515][ T8515] get_compat_msghdr+0x108/0x2b0 [ 494.387452][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 494.391960][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 494.396640][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 494.402708][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 494.408863][ T8515] __do_fast_syscall_32+0x102/0x160 [ 494.414066][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 494.418922][ T8515] do_SYSENTER_32+0x73/0x90 [ 494.423434][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 494.429745][ T8515] [ 494.430617][ T8551] not chained 960000 origins [ 494.432071][ T8515] Uninit was stored to memory at: [ 494.436651][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 494.441648][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 494.450282][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 494.455978][ T8515] __msan_chain_origin+0x57/0xa0 [ 494.465998][ T8551] Call Trace: [ 494.470917][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 494.474177][ T8551] dump_stack+0x21c/0x280 [ 494.479273][ T8515] get_compat_msghdr+0x108/0x2b0 [ 494.483575][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 494.488509][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 494.494197][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 494.498674][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 494.503843][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 494.508493][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 494.514268][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 494.520307][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 494.525476][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 494.531604][ T8515] __do_fast_syscall_32+0x102/0x160 [ 494.537376][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 494.542547][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 494.548585][ T8551] ? __wake_up+0x1fc/0x250 [ 494.553407][ T8515] do_SYSENTER_32+0x73/0x90 [ 494.557795][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 494.562274][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 494.567446][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 494.573726][ T8515] [ 494.580295][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 494.582588][ T8515] Uninit was stored to memory at: [ 494.588635][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 494.593634][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 494.598803][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 494.604492][ T8515] __msan_chain_origin+0x57/0xa0 [ 494.610100][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 494.615006][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 494.621045][ T8551] ? _copy_from_user+0x1fd/0x300 [ 494.626138][ T8515] get_compat_msghdr+0x108/0x2b0 [ 494.631049][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 494.635961][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 494.641130][ T8551] __msan_chain_origin+0x57/0xa0 [ 494.645607][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 494.650515][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 494.655167][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 494.660247][ T8551] get_compat_msghdr+0x108/0x2b0 [ 494.666303][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 494.671211][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 494.677337][ T8515] __do_fast_syscall_32+0x102/0x160 [ 494.681809][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 494.686981][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 494.692147][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 494.696983][ T8515] do_SYSENTER_32+0x73/0x90 [ 494.702844][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 494.707323][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 494.712491][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 494.718777][ T8515] [ 494.724389][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 494.726687][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 494.731957][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 494.738601][ T8515] do_recvmmsg+0xbf/0x22f0 [ 494.743338][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 494.747723][ T8515] do_recvmmsg+0xbf/0x22f0 [ 494.752385][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 494.761957][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 494.767318][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 494.773445][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 494.779610][ T8551] __do_fast_syscall_32+0x102/0x160 [ 494.784907][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 494.789765][ T8551] do_SYSENTER_32+0x73/0x90 [ 494.794275][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 494.800597][ T8551] RIP: 0023:0xf7fa1549 [ 494.804672][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 494.824306][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 494.832730][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 494.840706][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 494.848675][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 494.856646][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 494.864614][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 494.872585][ T8551] Uninit was stored to memory at: [ 494.877614][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 494.883329][ T8551] __msan_chain_origin+0x57/0xa0 [ 494.888262][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 494.893372][ T8551] get_compat_msghdr+0x108/0x2b0 [ 494.898308][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 494.902810][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 494.907484][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 494.913551][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 494.919718][ T8551] __do_fast_syscall_32+0x102/0x160 [ 494.924924][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 494.929783][ T8551] do_SYSENTER_32+0x73/0x90 [ 494.934294][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 494.940604][ T8551] [ 494.942924][ T8551] Uninit was stored to memory at: [ 494.947050][ T8868] not chained 970000 origins [ 494.947951][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 494.952533][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 494.958233][ T8551] __msan_chain_origin+0x57/0xa0 [ 494.966876][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 494.971808][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 494.981835][ T8868] Call Trace: [ 494.986951][ T8551] get_compat_msghdr+0x108/0x2b0 [ 494.990234][ T8868] dump_stack+0x21c/0x280 [ 494.995146][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 494.999448][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 495.003919][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 495.009608][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 495.014259][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 495.019433][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 495.025469][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 495.031245][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 495.037381][ T8551] __do_fast_syscall_32+0x102/0x160 [ 495.042559][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 495.047745][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 495.053520][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 495.058345][ T8551] do_SYSENTER_32+0x73/0x90 [ 495.064382][ T8868] ? __wake_up+0x1fc/0x250 [ 495.068857][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 495.073244][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 495.079528][ T8551] [ 495.084707][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 495.087001][ T8551] Uninit was stored to memory at: [ 495.092788][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 495.097783][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 495.103819][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 495.109508][ T8551] __msan_chain_origin+0x57/0xa0 [ 495.114688][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 495.119599][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 495.125208][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 495.130285][ T8551] get_compat_msghdr+0x108/0x2b0 [ 495.136583][ T8868] ? _copy_from_user+0x1fd/0x300 [ 495.141492][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 495.146400][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 495.150873][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 495.156042][ T8868] __msan_chain_origin+0x57/0xa0 [ 495.160694][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 495.165627][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 495.171665][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 495.176747][ T8868] get_compat_msghdr+0x108/0x2b0 [ 495.182875][ T8551] __do_fast_syscall_32+0x102/0x160 [ 495.187783][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 495.192954][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 495.197433][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 495.202254][ T8551] do_SYSENTER_32+0x73/0x90 [ 495.207422][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 495.211899][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 495.217759][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 495.224043][ T8551] [ 495.229222][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 495.231516][ T8551] Uninit was stored to memory at: [ 495.237128][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 495.242122][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 495.247385][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 495.253072][ T8551] __msan_chain_origin+0x57/0xa0 [ 495.257810][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 495.262717][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 495.267367][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 495.272455][ T8551] get_compat_msghdr+0x108/0x2b0 [ 495.277624][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 495.282531][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 495.287703][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 495.292190][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 495.298231][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 495.302879][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 495.309005][ T8868] __do_fast_syscall_32+0x102/0x160 [ 495.315039][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 495.320213][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 495.326339][ T8551] __do_fast_syscall_32+0x102/0x160 [ 495.331165][ T8868] do_SYSENTER_32+0x73/0x90 [ 495.336334][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 495.340810][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 495.345630][ T8551] do_SYSENTER_32+0x73/0x90 [ 495.351923][ T8868] RIP: 0023:0xf7fcc549 [ 495.356406][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 495.360450][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 495.366732][ T8551] [ 495.386315][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 [ 495.388606][ T8551] Uninit was stored to memory at: [ 495.388623][ T8868] ORIG_RAX: 0000000000000151 [ 495.394667][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 495.399674][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 495.404326][ T8551] __msan_chain_origin+0x57/0xa0 [ 495.410013][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 495.417966][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 495.422870][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 495.430822][ T8551] get_compat_msghdr+0x108/0x2b0 [ 495.435899][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 495.443851][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 495.448754][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 495.456707][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 495.461171][ T8868] Uninit was stored to memory at: [ 495.469129][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 495.473796][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 495.478796][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 495.484830][ T8868] __msan_chain_origin+0x57/0xa0 [ 495.490524][ T8551] __do_fast_syscall_32+0x102/0x160 [ 495.496644][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 495.501557][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 495.506727][ T8868] get_compat_msghdr+0x108/0x2b0 [ 495.511811][ T8551] do_SYSENTER_32+0x73/0x90 [ 495.516632][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 495.522675][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 495.527146][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 495.531695][ T8551] [ 495.538005][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 495.542638][ T8551] Uninit was stored to memory at: [ 495.544957][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 495.551002][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 495.556003][ T8868] __do_fast_syscall_32+0x102/0x160 [ 495.562122][ T8551] __msan_chain_origin+0x57/0xa0 [ 495.567816][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 495.572984][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 495.577895][ T8868] do_SYSENTER_32+0x73/0x90 [ 495.582717][ T8551] get_compat_msghdr+0x108/0x2b0 [ 495.587909][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 495.592383][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 495.597279][ T8868] [ 495.603679][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 495.608153][ T8868] Uninit was stored to memory at: [ 495.610469][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 495.615114][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 495.620112][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 495.626149][ T8868] __msan_chain_origin+0x57/0xa0 [ 495.631844][ T8551] __do_fast_syscall_32+0x102/0x160 [ 495.637967][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 495.642891][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 495.648057][ T8868] get_compat_msghdr+0x108/0x2b0 [ 495.653142][ T8551] do_SYSENTER_32+0x73/0x90 [ 495.657963][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 495.662894][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 495.667366][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 495.671828][ T8551] [ 495.678139][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 495.682775][ T8551] Uninit was stored to memory at: [ 495.685092][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 495.691129][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 495.696127][ T8868] __do_fast_syscall_32+0x102/0x160 [ 495.702246][ T8551] __msan_chain_origin+0x57/0xa0 [ 495.707938][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 495.713107][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 495.718017][ T8868] do_SYSENTER_32+0x73/0x90 [ 495.722836][ T8551] get_compat_msghdr+0x108/0x2b0 [ 495.727923][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 495.732395][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 495.737301][ T8868] [ 495.743609][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 495.748070][ T8868] Uninit was stored to memory at: [ 495.750410][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 495.755052][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 495.760060][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 495.766103][ T8868] __msan_chain_origin+0x57/0xa0 [ 495.771800][ T8551] __do_fast_syscall_32+0x102/0x160 [ 495.777922][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 495.782835][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 495.788005][ T8868] get_compat_msghdr+0x108/0x2b0 [ 495.793090][ T8551] do_SYSENTER_32+0x73/0x90 [ 495.797913][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 495.802825][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 495.807295][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 495.811758][ T8551] [ 495.818067][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 495.822705][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 495.825021][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 495.831066][ T8551] do_recvmmsg+0xbf/0x22f0 [ 495.837713][ T8868] __do_fast_syscall_32+0x102/0x160 [ 495.843833][ T8551] do_recvmmsg+0xbf/0x22f0 [ 495.848225][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 495.862627][ T8868] do_SYSENTER_32+0x73/0x90 [ 495.867134][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 495.873451][ T8868] [ 495.875775][ T8868] Uninit was stored to memory at: [ 495.880890][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 495.886608][ T8868] __msan_chain_origin+0x57/0xa0 [ 495.891553][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 495.896667][ T8868] get_compat_msghdr+0x108/0x2b0 [ 495.901611][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 495.906117][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 495.910796][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 495.916873][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 495.923132][ T8868] __do_fast_syscall_32+0x102/0x160 [ 495.928386][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 495.933250][ T8868] do_SYSENTER_32+0x73/0x90 [ 495.937760][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 495.944074][ T8868] [ 495.946402][ T8868] Uninit was stored to memory at: [ 495.951434][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 495.957152][ T8868] __msan_chain_origin+0x57/0xa0 [ 495.962092][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 495.967208][ T8868] get_compat_msghdr+0x108/0x2b0 [ 495.972148][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 495.976653][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 495.981335][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 495.987409][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 495.993567][ T8868] __do_fast_syscall_32+0x102/0x160 [ 495.998769][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 496.003629][ T8868] do_SYSENTER_32+0x73/0x90 [ 496.008141][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 496.014455][ T8868] [ 496.016778][ T8868] Uninit was stored to memory at: [ 496.021805][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 496.027522][ T8868] __msan_chain_origin+0x57/0xa0 [ 496.032461][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 496.037570][ T8868] get_compat_msghdr+0x108/0x2b0 [ 496.042507][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 496.047012][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 496.051697][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 496.057763][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 496.063921][ T8868] __do_fast_syscall_32+0x102/0x160 [ 496.069129][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 496.073995][ T8868] do_SYSENTER_32+0x73/0x90 [ 496.078504][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 496.084817][ T8868] [ 496.087136][ T8868] Uninit was stored to memory at: [ 496.092159][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 496.097873][ T8868] __msan_chain_origin+0x57/0xa0 [ 496.102810][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 496.107923][ T8868] get_compat_msghdr+0x108/0x2b0 [ 496.112864][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 496.117369][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 496.122048][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 496.128121][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 496.134288][ T8868] __do_fast_syscall_32+0x102/0x160 [ 496.139489][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 496.144345][ T8868] do_SYSENTER_32+0x73/0x90 [ 496.148851][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 496.155165][ T8868] [ 496.157489][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 496.164167][ T8868] do_recvmmsg+0xbf/0x22f0 [ 496.168582][ T8868] do_recvmmsg+0xbf/0x22f0 [ 496.434200][ T8515] not chained 980000 origins [ 496.438834][ T8515] CPU: 1 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 496.447503][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 496.457557][ T8515] Call Trace: [ 496.460976][ T8515] dump_stack+0x21c/0x280 [ 496.465312][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 496.471036][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 496.476241][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 496.482244][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 496.487448][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 496.493261][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 496.499434][ T8515] ? __wake_up+0x1fc/0x250 [ 496.503855][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 496.509082][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 496.514894][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 496.520964][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 496.526159][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 496.531795][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 496.537866][ T8515] ? _copy_from_user+0x1fd/0x300 [ 496.542805][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 496.548004][ T8515] __msan_chain_origin+0x57/0xa0 [ 496.552950][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 496.558071][ T8515] get_compat_msghdr+0x108/0x2b0 [ 496.563022][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 496.567530][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 496.572731][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 496.578888][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 496.584088][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 496.589725][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 496.595014][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 496.599783][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 496.604467][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 496.609663][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 496.614867][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 496.620943][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 496.627110][ T8515] __do_fast_syscall_32+0x102/0x160 [ 496.632317][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 496.637172][ T8515] do_SYSENTER_32+0x73/0x90 [ 496.641686][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 496.648008][ T8515] RIP: 0023:0xf7fa1549 [ 496.652084][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 496.674242][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 496.682666][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 496.690639][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 496.698633][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 496.706690][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 496.714680][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 496.722653][ T8515] Uninit was stored to memory at: [ 496.727686][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 496.733538][ T8515] __msan_chain_origin+0x57/0xa0 [ 496.738595][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 496.743721][ T8515] get_compat_msghdr+0x108/0x2b0 [ 496.748671][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 496.753295][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 496.758689][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 496.764773][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 496.770938][ T8515] __do_fast_syscall_32+0x102/0x160 [ 496.776146][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 496.781019][ T8515] do_SYSENTER_32+0x73/0x90 [ 496.785539][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 496.791860][ T8515] [ 496.794179][ T8515] Uninit was stored to memory at: [ 496.799205][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 496.805002][ T8515] __msan_chain_origin+0x57/0xa0 [ 496.809977][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 496.815090][ T8515] get_compat_msghdr+0x108/0x2b0 [ 496.820028][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 496.824661][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 496.829341][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 496.835446][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 496.841608][ T8515] __do_fast_syscall_32+0x102/0x160 [ 496.846806][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 496.851658][ T8515] do_SYSENTER_32+0x73/0x90 [ 496.856167][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 496.862483][ T8515] [ 496.864806][ T8515] Uninit was stored to memory at: [ 496.869828][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 496.875558][ T8515] __msan_chain_origin+0x57/0xa0 [ 496.880499][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 496.885616][ T8515] get_compat_msghdr+0x108/0x2b0 [ 496.890558][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 496.895063][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 496.899934][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 496.906007][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 496.912166][ T8515] __do_fast_syscall_32+0x102/0x160 [ 496.917378][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 496.922238][ T8515] do_SYSENTER_32+0x73/0x90 [ 496.926759][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 496.933078][ T8515] [ 496.935402][ T8515] Uninit was stored to memory at: [ 496.940436][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 496.946164][ T8515] __msan_chain_origin+0x57/0xa0 [ 496.951103][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 496.956339][ T8515] get_compat_msghdr+0x108/0x2b0 [ 496.961280][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 496.965780][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 496.970457][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 496.976531][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 496.982690][ T8515] __do_fast_syscall_32+0x102/0x160 [ 496.987920][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 496.992777][ T8515] do_SYSENTER_32+0x73/0x90 [ 496.997288][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 497.003743][ T8515] [ 497.006064][ T8515] Uninit was stored to memory at: [ 497.011091][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 497.016804][ T8515] __msan_chain_origin+0x57/0xa0 [ 497.021740][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 497.026851][ T8515] get_compat_msghdr+0x108/0x2b0 [ 497.031808][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 497.036315][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 497.041002][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 497.047069][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 497.053229][ T8515] __do_fast_syscall_32+0x102/0x160 [ 497.058428][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 497.063279][ T8515] do_SYSENTER_32+0x73/0x90 [ 497.067786][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 497.074097][ T8515] [ 497.076435][ T8515] Uninit was stored to memory at: [ 497.081460][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 497.087185][ T8515] __msan_chain_origin+0x57/0xa0 [ 497.092120][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 497.097230][ T8515] get_compat_msghdr+0x108/0x2b0 [ 497.102170][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 497.106671][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 497.111352][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 497.117421][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 497.123578][ T8515] __do_fast_syscall_32+0x102/0x160 [ 497.128776][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 497.133672][ T8515] do_SYSENTER_32+0x73/0x90 [ 497.138183][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 497.144498][ T8515] [ 497.146816][ T8515] Uninit was stored to memory at: [ 497.151841][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 497.157558][ T8515] __msan_chain_origin+0x57/0xa0 [ 497.162502][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 497.167614][ T8515] get_compat_msghdr+0x108/0x2b0 [ 497.172595][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 497.177098][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 497.181781][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 497.187845][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 497.193999][ T8515] __do_fast_syscall_32+0x102/0x160 [ 497.199200][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 497.204054][ T8515] do_SYSENTER_32+0x73/0x90 [ 497.208562][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 497.214875][ T8515] [ 497.217201][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 497.223880][ T8515] do_recvmmsg+0xbf/0x22f0 [ 497.228309][ T8515] do_recvmmsg+0xbf/0x22f0 [ 497.480658][ T8515] not chained 990000 origins [ 497.485442][ T8515] CPU: 1 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 497.494114][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 497.504169][ T8515] Call Trace: [ 497.507467][ T8515] dump_stack+0x21c/0x280 [ 497.511806][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 497.517592][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 497.522796][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 497.528602][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 497.533801][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 497.539612][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 497.545683][ T8515] ? __wake_up+0x1fc/0x250 [ 497.550101][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 497.555300][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 497.561106][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 497.567173][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 497.572375][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 497.578016][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 497.584107][ T8515] ? _copy_from_user+0x1fd/0x300 [ 497.589046][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 497.594247][ T8515] __msan_chain_origin+0x57/0xa0 [ 497.599191][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 497.604316][ T8515] get_compat_msghdr+0x108/0x2b0 [ 497.609261][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 497.613770][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 497.618973][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 497.625133][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 497.630330][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 497.636101][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 497.641393][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 497.646160][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 497.650835][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 497.656029][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 497.661234][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 497.667312][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 497.673483][ T8515] __do_fast_syscall_32+0x102/0x160 [ 497.678686][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 497.683539][ T8515] do_SYSENTER_32+0x73/0x90 [ 497.688070][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 497.694404][ T8515] RIP: 0023:0xf7fa1549 [ 497.698482][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 497.718098][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 497.726527][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 497.734502][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 497.742477][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 497.750461][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 497.758441][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 497.766416][ T8515] Uninit was stored to memory at: [ 497.771452][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 497.777174][ T8515] __msan_chain_origin+0x57/0xa0 [ 497.782116][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 497.787237][ T8515] get_compat_msghdr+0x108/0x2b0 [ 497.792179][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 497.796681][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 497.801356][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 497.807428][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 497.813590][ T8515] __do_fast_syscall_32+0x102/0x160 [ 497.818787][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 497.823640][ T8515] do_SYSENTER_32+0x73/0x90 [ 497.828156][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 497.834471][ T8515] [ 497.836792][ T8515] Uninit was stored to memory at: [ 497.841819][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 497.847537][ T8515] __msan_chain_origin+0x57/0xa0 [ 497.852582][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 497.857711][ T8515] get_compat_msghdr+0x108/0x2b0 [ 497.862684][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 497.867194][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 497.871894][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 497.877969][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 497.884135][ T8515] __do_fast_syscall_32+0x102/0x160 [ 497.889364][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 497.894220][ T8515] do_SYSENTER_32+0x73/0x90 [ 497.898729][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 497.905042][ T8515] [ 497.907363][ T8515] Uninit was stored to memory at: [ 497.912393][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 497.918115][ T8515] __msan_chain_origin+0x57/0xa0 [ 497.923062][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 497.928177][ T8515] get_compat_msghdr+0x108/0x2b0 [ 497.933116][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 497.937622][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 497.942304][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 497.948374][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 497.954537][ T8515] __do_fast_syscall_32+0x102/0x160 [ 497.959743][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 497.964601][ T8515] do_SYSENTER_32+0x73/0x90 [ 497.969109][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 497.975423][ T8515] [ 497.977743][ T8515] Uninit was stored to memory at: [ 497.982773][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 497.988496][ T8515] __msan_chain_origin+0x57/0xa0 [ 497.993435][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 497.998545][ T8515] get_compat_msghdr+0x108/0x2b0 [ 498.003487][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 498.007992][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 498.012674][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 498.018739][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 498.024897][ T8515] __do_fast_syscall_32+0x102/0x160 [ 498.030100][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 498.034957][ T8515] do_SYSENTER_32+0x73/0x90 [ 498.039466][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 498.045777][ T8515] [ 498.048210][ T8515] Uninit was stored to memory at: [ 498.053246][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 498.058960][ T8515] __msan_chain_origin+0x57/0xa0 [ 498.063911][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 498.069026][ T8515] get_compat_msghdr+0x108/0x2b0 [ 498.073965][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 498.078470][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 498.083151][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 498.089220][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 498.095375][ T8515] __do_fast_syscall_32+0x102/0x160 [ 498.100572][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 498.105425][ T8515] do_SYSENTER_32+0x73/0x90 [ 498.109940][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 498.116313][ T8515] [ 498.118636][ T8515] Uninit was stored to memory at: [ 498.123665][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 498.129388][ T8515] __msan_chain_origin+0x57/0xa0 [ 498.134332][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 498.139440][ T8515] get_compat_msghdr+0x108/0x2b0 [ 498.144381][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 498.148887][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 498.153571][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 498.159637][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 498.165797][ T8515] __do_fast_syscall_32+0x102/0x160 [ 498.170999][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 498.175851][ T8515] do_SYSENTER_32+0x73/0x90 [ 498.180358][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 498.186674][ T8515] [ 498.188995][ T8515] Uninit was stored to memory at: [ 498.194027][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 498.199747][ T8515] __msan_chain_origin+0x57/0xa0 [ 498.204689][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 498.209796][ T8515] get_compat_msghdr+0x108/0x2b0 [ 498.214744][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 498.219258][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 498.223945][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 498.230013][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 498.236170][ T8515] __do_fast_syscall_32+0x102/0x160 [ 498.241372][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 498.246223][ T8515] do_SYSENTER_32+0x73/0x90 [ 498.250731][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 498.257041][ T8515] [ 498.259365][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 498.266041][ T8515] do_recvmmsg+0xbf/0x22f0 [ 498.270459][ T8515] do_recvmmsg+0xbf/0x22f0 [ 498.519081][ T8868] not chained 1000000 origins [ 498.523798][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 498.532464][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 498.542515][ T8868] Call Trace: [ 498.545812][ T8868] dump_stack+0x21c/0x280 [ 498.550145][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 498.555869][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 498.561166][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 498.566970][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 498.572166][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 498.577974][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 498.584050][ T8868] ? __wake_up+0x1fc/0x250 [ 498.588475][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 498.593686][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 498.599495][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 498.605564][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 498.610786][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 498.616425][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 498.622499][ T8868] ? _copy_from_user+0x1fd/0x300 [ 498.627443][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 498.632645][ T8868] __msan_chain_origin+0x57/0xa0 [ 498.637587][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 498.642708][ T8868] get_compat_msghdr+0x108/0x2b0 [ 498.647653][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 498.652168][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 498.657369][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 498.663285][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 498.668584][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 498.674225][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 498.679574][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 498.684341][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 498.689023][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 498.694227][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 498.699428][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 498.705505][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 498.711674][ T8868] __do_fast_syscall_32+0x102/0x160 [ 498.716879][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 498.721732][ T8868] do_SYSENTER_32+0x73/0x90 [ 498.726245][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 498.732574][ T8868] RIP: 0023:0xf7fcc549 [ 498.736650][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 498.756264][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 498.764697][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 498.772679][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 498.780766][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 498.788743][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 498.796718][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 498.804691][ T8868] Uninit was stored to memory at: [ 498.809724][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 498.815453][ T8868] __msan_chain_origin+0x57/0xa0 [ 498.820390][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 498.825510][ T8868] get_compat_msghdr+0x108/0x2b0 [ 498.830455][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 498.835052][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 498.839734][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 498.845807][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 498.851965][ T8868] __do_fast_syscall_32+0x102/0x160 [ 498.857167][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 498.862021][ T8868] do_SYSENTER_32+0x73/0x90 [ 498.866537][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 498.872848][ T8868] [ 498.875166][ T8868] Uninit was stored to memory at: [ 498.880273][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 498.885992][ T8868] __msan_chain_origin+0x57/0xa0 [ 498.890934][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 498.896042][ T8868] get_compat_msghdr+0x108/0x2b0 [ 498.900979][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 498.905482][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 498.910163][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 498.916234][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 498.922401][ T8868] __do_fast_syscall_32+0x102/0x160 [ 498.927610][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 498.932472][ T8868] do_SYSENTER_32+0x73/0x90 [ 498.936981][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 498.943296][ T8868] [ 498.945621][ T8868] Uninit was stored to memory at: [ 498.950649][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 498.956373][ T8868] __msan_chain_origin+0x57/0xa0 [ 498.961315][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 498.966433][ T8868] get_compat_msghdr+0x108/0x2b0 [ 498.971385][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 498.975893][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 498.980578][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 498.986651][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 498.992817][ T8868] __do_fast_syscall_32+0x102/0x160 [ 498.998017][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 499.002869][ T8868] do_SYSENTER_32+0x73/0x90 [ 499.007398][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 499.013710][ T8868] [ 499.016030][ T8868] Uninit was stored to memory at: [ 499.021054][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 499.026771][ T8868] __msan_chain_origin+0x57/0xa0 [ 499.031712][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 499.036828][ T8868] get_compat_msghdr+0x108/0x2b0 [ 499.041797][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 499.046300][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 499.050978][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 499.057048][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 499.063206][ T8868] __do_fast_syscall_32+0x102/0x160 [ 499.068405][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 499.073259][ T8868] do_SYSENTER_32+0x73/0x90 [ 499.077770][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 499.084082][ T8868] [ 499.086404][ T8868] Uninit was stored to memory at: [ 499.091437][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 499.097153][ T8868] __msan_chain_origin+0x57/0xa0 [ 499.102094][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 499.107203][ T8868] get_compat_msghdr+0x108/0x2b0 [ 499.112141][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 499.116651][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 499.121332][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 499.127397][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 499.133553][ T8868] __do_fast_syscall_32+0x102/0x160 [ 499.138758][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 499.143608][ T8868] do_SYSENTER_32+0x73/0x90 [ 499.148113][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 499.154427][ T8868] [ 499.156745][ T8868] Uninit was stored to memory at: [ 499.161774][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 499.167497][ T8868] __msan_chain_origin+0x57/0xa0 [ 499.172437][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 499.177549][ T8868] get_compat_msghdr+0x108/0x2b0 [ 499.182495][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 499.186996][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 499.191673][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 499.197743][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 499.203901][ T8868] __do_fast_syscall_32+0x102/0x160 [ 499.209101][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 499.213954][ T8868] do_SYSENTER_32+0x73/0x90 [ 499.218465][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 499.224780][ T8868] [ 499.227097][ T8868] Uninit was stored to memory at: [ 499.232207][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 499.237918][ T8868] __msan_chain_origin+0x57/0xa0 [ 499.242867][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 499.247981][ T8868] get_compat_msghdr+0x108/0x2b0 [ 499.252921][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 499.257423][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 499.262101][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 499.268173][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 499.274338][ T8868] __do_fast_syscall_32+0x102/0x160 [ 499.279537][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 499.284390][ T8868] do_SYSENTER_32+0x73/0x90 [ 499.288900][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 499.295223][ T8868] [ 499.297546][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 499.304221][ T8868] do_recvmmsg+0xbf/0x22f0 [ 499.308643][ T8868] do_recvmmsg+0xbf/0x22f0 [ 499.568882][ T8551] not chained 1010000 origins [ 499.573600][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 499.582267][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 499.592316][ T8551] Call Trace: [ 499.595610][ T8551] dump_stack+0x21c/0x280 [ 499.599941][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 499.605662][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 499.610860][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 499.616664][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 499.621862][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 499.627669][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 499.633747][ T8551] ? __wake_up+0x1fc/0x250 [ 499.638162][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 499.643359][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 499.649175][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 499.655240][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 499.660434][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 499.666071][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 499.672139][ T8551] ? _copy_from_user+0x1fd/0x300 [ 499.677081][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 499.682282][ T8551] __msan_chain_origin+0x57/0xa0 [ 499.687224][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 499.692341][ T8551] get_compat_msghdr+0x108/0x2b0 [ 499.697280][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 499.701786][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 499.706987][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 499.712880][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 499.718072][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 499.723700][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 499.728988][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 499.733750][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 499.738443][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 499.743644][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 499.748846][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 499.754923][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 499.761085][ T8551] __do_fast_syscall_32+0x102/0x160 [ 499.766296][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 499.771155][ T8551] do_SYSENTER_32+0x73/0x90 [ 499.775666][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 499.781991][ T8551] RIP: 0023:0xf7fa1549 [ 499.786062][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 499.805674][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 499.814106][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 499.822081][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 499.830051][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 499.838017][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 499.845988][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 499.853958][ T8551] Uninit was stored to memory at: [ 499.858998][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 499.864725][ T8551] __msan_chain_origin+0x57/0xa0 [ 499.869673][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 499.874805][ T8551] get_compat_msghdr+0x108/0x2b0 [ 499.879748][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 499.884254][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 499.888931][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 499.894996][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 499.901166][ T8551] __do_fast_syscall_32+0x102/0x160 [ 499.906374][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 499.911239][ T8551] do_SYSENTER_32+0x73/0x90 [ 499.915756][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 499.922077][ T8551] [ 499.924396][ T8551] Uninit was stored to memory at: [ 499.929448][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 499.935170][ T8551] __msan_chain_origin+0x57/0xa0 [ 499.940108][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 499.945225][ T8551] get_compat_msghdr+0x108/0x2b0 [ 499.950170][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 499.954686][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 499.959379][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 499.965455][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 499.971720][ T8551] __do_fast_syscall_32+0x102/0x160 [ 499.976928][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 499.981786][ T8551] do_SYSENTER_32+0x73/0x90 [ 499.986305][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 499.992623][ T8551] [ 499.994941][ T8551] Uninit was stored to memory at: [ 499.999967][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 500.005682][ T8551] __msan_chain_origin+0x57/0xa0 [ 500.010621][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 500.015734][ T8551] get_compat_msghdr+0x108/0x2b0 [ 500.020670][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 500.025171][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 500.029845][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 500.035917][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 500.042073][ T8551] __do_fast_syscall_32+0x102/0x160 [ 500.047271][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 500.052119][ T8551] do_SYSENTER_32+0x73/0x90 [ 500.056640][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 500.062956][ T8551] [ 500.065291][ T8551] Uninit was stored to memory at: [ 500.070320][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 500.076038][ T8551] __msan_chain_origin+0x57/0xa0 [ 500.080977][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 500.086092][ T8551] get_compat_msghdr+0x108/0x2b0 [ 500.091035][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 500.095539][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 500.100220][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 500.106284][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 500.112439][ T8551] __do_fast_syscall_32+0x102/0x160 [ 500.117637][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 500.122490][ T8551] do_SYSENTER_32+0x73/0x90 [ 500.126996][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 500.133307][ T8551] [ 500.135623][ T8551] Uninit was stored to memory at: [ 500.140643][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 500.146442][ T8551] __msan_chain_origin+0x57/0xa0 [ 500.151376][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 500.156482][ T8551] get_compat_msghdr+0x108/0x2b0 [ 500.161448][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 500.165954][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 500.170628][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 500.176694][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 500.182850][ T8551] __do_fast_syscall_32+0x102/0x160 [ 500.188045][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 500.192898][ T8551] do_SYSENTER_32+0x73/0x90 [ 500.197404][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 500.203713][ T8551] [ 500.206028][ T8551] Uninit was stored to memory at: [ 500.211051][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 500.216782][ T8551] __msan_chain_origin+0x57/0xa0 [ 500.221738][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 500.226856][ T8551] get_compat_msghdr+0x108/0x2b0 [ 500.231804][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 500.236308][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 500.240989][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 500.247053][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 500.253212][ T8551] __do_fast_syscall_32+0x102/0x160 [ 500.258451][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 500.263304][ T8551] do_SYSENTER_32+0x73/0x90 [ 500.267821][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 500.274132][ T8551] [ 500.276451][ T8551] Uninit was stored to memory at: [ 500.281490][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 500.287207][ T8551] __msan_chain_origin+0x57/0xa0 [ 500.292148][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 500.297257][ T8551] get_compat_msghdr+0x108/0x2b0 [ 500.302198][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 500.306698][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 500.311551][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 500.317621][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 500.323781][ T8551] __do_fast_syscall_32+0x102/0x160 [ 500.328980][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 500.333830][ T8551] do_SYSENTER_32+0x73/0x90 [ 500.338338][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 500.344651][ T8551] [ 500.346971][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 500.353644][ T8551] do_recvmmsg+0xbf/0x22f0 [ 500.358056][ T8551] do_recvmmsg+0xbf/0x22f0 [ 500.676681][ T8868] not chained 1020000 origins [ 500.681389][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 500.690056][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 500.700131][ T8868] Call Trace: [ 500.703432][ T8868] dump_stack+0x21c/0x280 [ 500.707771][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 500.713498][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 500.718701][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 500.724511][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 500.729716][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 500.735639][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 500.741824][ T8868] ? __wake_up+0x1fc/0x250 [ 500.746252][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 500.751462][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 500.757471][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 500.763546][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 500.768749][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 500.774395][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 500.780476][ T8868] ? _copy_from_user+0x1fd/0x300 [ 500.785418][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 500.790624][ T8868] __msan_chain_origin+0x57/0xa0 [ 500.795569][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 500.800709][ T8868] get_compat_msghdr+0x108/0x2b0 [ 500.805656][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 500.810170][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 500.815375][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 500.821276][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 500.826479][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 500.832116][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 500.837493][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 500.842259][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 500.846937][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 500.852143][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 500.857348][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 500.863428][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 500.869592][ T8868] __do_fast_syscall_32+0x102/0x160 [ 500.874802][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 500.879661][ T8868] do_SYSENTER_32+0x73/0x90 [ 500.884171][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 500.890496][ T8868] RIP: 0023:0xf7fcc549 [ 500.894570][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 500.914179][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 500.922606][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 500.930583][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 500.938557][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 500.946529][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 500.954499][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 500.962469][ T8868] Uninit was stored to memory at: [ 500.967499][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 500.973219][ T8868] __msan_chain_origin+0x57/0xa0 [ 500.978204][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 500.983316][ T8868] get_compat_msghdr+0x108/0x2b0 [ 500.988301][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 500.992806][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 500.997497][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 501.003655][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 501.009812][ T8868] __do_fast_syscall_32+0x102/0x160 [ 501.015017][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 501.019874][ T8868] do_SYSENTER_32+0x73/0x90 [ 501.024382][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 501.030695][ T8868] [ 501.033059][ T8868] Uninit was stored to memory at: [ 501.038088][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 501.043809][ T8868] __msan_chain_origin+0x57/0xa0 [ 501.048748][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 501.053860][ T8868] get_compat_msghdr+0x108/0x2b0 [ 501.058795][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 501.063314][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 501.067995][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 501.074065][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 501.080237][ T8868] __do_fast_syscall_32+0x102/0x160 [ 501.085444][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 501.090351][ T8868] do_SYSENTER_32+0x73/0x90 [ 501.094860][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 501.101173][ T8868] [ 501.103495][ T8868] Uninit was stored to memory at: [ 501.108522][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 501.114252][ T8868] __msan_chain_origin+0x57/0xa0 [ 501.119189][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 501.124301][ T8868] get_compat_msghdr+0x108/0x2b0 [ 501.129243][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 501.133751][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 501.138434][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 501.144502][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 501.150809][ T8868] __do_fast_syscall_32+0x102/0x160 [ 501.156015][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 501.160864][ T8868] do_SYSENTER_32+0x73/0x90 [ 501.165370][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 501.171769][ T8868] [ 501.174090][ T8868] Uninit was stored to memory at: [ 501.179116][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 501.184835][ T8868] __msan_chain_origin+0x57/0xa0 [ 501.189773][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 501.194886][ T8868] get_compat_msghdr+0x108/0x2b0 [ 501.199822][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 501.204329][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 501.209010][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 501.215089][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 501.221254][ T8868] __do_fast_syscall_32+0x102/0x160 [ 501.226453][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 501.231308][ T8868] do_SYSENTER_32+0x73/0x90 [ 501.235815][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 501.242128][ T8868] [ 501.244448][ T8868] Uninit was stored to memory at: [ 501.249558][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 501.255277][ T8868] __msan_chain_origin+0x57/0xa0 [ 501.260215][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 501.265328][ T8868] get_compat_msghdr+0x108/0x2b0 [ 501.270268][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 501.274769][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 501.279451][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 501.285522][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 501.291686][ T8868] __do_fast_syscall_32+0x102/0x160 [ 501.297006][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 501.301863][ T8868] do_SYSENTER_32+0x73/0x90 [ 501.306371][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 501.312704][ T8868] [ 501.315024][ T8868] Uninit was stored to memory at: [ 501.320059][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 501.325777][ T8868] __msan_chain_origin+0x57/0xa0 [ 501.330713][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 501.335825][ T8868] get_compat_msghdr+0x108/0x2b0 [ 501.340766][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 501.345269][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 501.346989][ T8515] not chained 1030000 origins [ 501.349951][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 501.354611][ T8515] CPU: 0 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 501.360652][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 501.369298][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 501.375437][ T8868] __do_fast_syscall_32+0x102/0x160 [ 501.385448][ T8515] Call Trace: [ 501.390650][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 501.393909][ T8515] dump_stack+0x21c/0x280 [ 501.398732][ T8868] do_SYSENTER_32+0x73/0x90 [ 501.403031][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 501.407510][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 501.413194][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 501.419492][ T8868] [ 501.424672][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 501.426965][ T8868] Uninit was stored to memory at: [ 501.432750][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 501.437761][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 501.442939][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 501.448624][ T8868] __msan_chain_origin+0x57/0xa0 [ 501.454403][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 501.459311][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 501.465350][ T8515] ? __wake_up+0x1fc/0x250 [ 501.470434][ T8868] get_compat_msghdr+0x108/0x2b0 [ 501.474817][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 501.479726][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 501.484896][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 501.489372][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 501.495160][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 501.499813][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 501.505850][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 501.511889][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 501.517058][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 501.523186][ T8868] __do_fast_syscall_32+0x102/0x160 [ 501.528792][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 501.533960][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 501.539996][ T8515] ? _copy_from_user+0x1fd/0x300 [ 501.544821][ T8868] do_SYSENTER_32+0x73/0x90 [ 501.549729][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 501.554238][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 501.559415][ T8515] __msan_chain_origin+0x57/0xa0 [ 501.565716][ T8868] [ 501.570638][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 501.572950][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 501.578478][ T8515] get_compat_msghdr+0x108/0x2b0 [ 501.585122][ T8868] do_recvmmsg+0xbf/0x22f0 [ 501.590034][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 501.594420][ T8868] do_recvmmsg+0xbf/0x22f0 [ 501.598897][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 501.608470][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 501.614638][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 501.619917][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 501.625591][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 501.630878][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 501.635650][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 501.640337][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 501.645544][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 501.650752][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 501.656826][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 501.662982][ T8515] __do_fast_syscall_32+0x102/0x160 [ 501.668185][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 501.673038][ T8515] do_SYSENTER_32+0x73/0x90 [ 501.677546][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 501.683867][ T8515] RIP: 0023:0xf7fa1549 [ 501.687940][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 501.707548][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 501.715965][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 501.723945][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 501.731915][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 501.739897][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 501.747868][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 501.755844][ T8515] Uninit was stored to memory at: [ 501.760877][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 501.766594][ T8515] __msan_chain_origin+0x57/0xa0 [ 501.771537][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 501.776658][ T8515] get_compat_msghdr+0x108/0x2b0 [ 501.781604][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 501.786110][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 501.790792][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 501.796859][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 501.803021][ T8515] __do_fast_syscall_32+0x102/0x160 [ 501.808224][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 501.813074][ T8515] do_SYSENTER_32+0x73/0x90 [ 501.817579][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 501.823888][ T8515] [ 501.826222][ T8515] Uninit was stored to memory at: [ 501.831242][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 501.836986][ T8515] __msan_chain_origin+0x57/0xa0 [ 501.841920][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 501.847027][ T8515] get_compat_msghdr+0x108/0x2b0 [ 501.851962][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 501.856462][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 501.861135][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 501.867319][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 501.873481][ T8515] __do_fast_syscall_32+0x102/0x160 [ 501.878681][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 501.883530][ T8515] do_SYSENTER_32+0x73/0x90 [ 501.888034][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 501.894355][ T8515] [ 501.896678][ T8515] Uninit was stored to memory at: [ 501.901709][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 501.907433][ T8515] __msan_chain_origin+0x57/0xa0 [ 501.912377][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 501.917502][ T8515] get_compat_msghdr+0x108/0x2b0 [ 501.922451][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 501.926975][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 501.931658][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 501.937724][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 501.943887][ T8515] __do_fast_syscall_32+0x102/0x160 [ 501.949090][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 501.953951][ T8515] do_SYSENTER_32+0x73/0x90 [ 501.958463][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 501.964778][ T8515] [ 501.967099][ T8515] Uninit was stored to memory at: [ 501.972141][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 501.977859][ T8515] __msan_chain_origin+0x57/0xa0 [ 501.982799][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 501.987912][ T8515] get_compat_msghdr+0x108/0x2b0 [ 501.992852][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 501.997359][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 502.002041][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 502.008114][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 502.014277][ T8515] __do_fast_syscall_32+0x102/0x160 [ 502.019476][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 502.024332][ T8515] do_SYSENTER_32+0x73/0x90 [ 502.028838][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 502.035148][ T8515] [ 502.037470][ T8515] Uninit was stored to memory at: [ 502.042494][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 502.048210][ T8515] __msan_chain_origin+0x57/0xa0 [ 502.053153][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 502.058262][ T8515] get_compat_msghdr+0x108/0x2b0 [ 502.063198][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 502.067699][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 502.072378][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 502.078442][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 502.084595][ T8515] __do_fast_syscall_32+0x102/0x160 [ 502.089794][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 502.094640][ T8515] do_SYSENTER_32+0x73/0x90 [ 502.099148][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 502.105458][ T8515] [ 502.107779][ T8515] Uninit was stored to memory at: [ 502.112808][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 502.118519][ T8515] __msan_chain_origin+0x57/0xa0 [ 502.123453][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 502.128560][ T8515] get_compat_msghdr+0x108/0x2b0 [ 502.133498][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 502.138001][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 502.142678][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 502.148742][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 502.157776][ T8515] __do_fast_syscall_32+0x102/0x160 [ 502.162976][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 502.167829][ T8515] do_SYSENTER_32+0x73/0x90 [ 502.172340][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 502.178650][ T8515] [ 502.180968][ T8515] Uninit was stored to memory at: [ 502.185990][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 502.191703][ T8515] __msan_chain_origin+0x57/0xa0 [ 502.196636][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 502.201742][ T8515] get_compat_msghdr+0x108/0x2b0 [ 502.206676][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 502.211182][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 502.215862][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 502.221926][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 502.228082][ T8515] __do_fast_syscall_32+0x102/0x160 [ 502.233281][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 502.238135][ T8515] do_SYSENTER_32+0x73/0x90 [ 502.242642][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 502.248950][ T8515] [ 502.251271][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 502.257950][ T8515] do_recvmmsg+0xbf/0x22f0 [ 502.262364][ T8515] do_recvmmsg+0xbf/0x22f0 [ 502.288419][ T8472] Bluetooth: hci0: command 0x0406 tx timeout [ 502.774836][ T8868] not chained 1040000 origins [ 502.779560][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 502.788264][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 502.798327][ T8868] Call Trace: [ 502.801630][ T8868] dump_stack+0x21c/0x280 [ 502.805970][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 502.811695][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 502.816944][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 502.822762][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 502.827974][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 502.833805][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 502.839878][ T8868] ? __wake_up+0x1fc/0x250 [ 502.844306][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 502.849511][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 502.855321][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 502.861388][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 502.866592][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 502.872239][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 502.878308][ T8868] ? _copy_from_user+0x1fd/0x300 [ 502.883258][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 502.888491][ T8868] __msan_chain_origin+0x57/0xa0 [ 502.893436][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 502.898554][ T8868] get_compat_msghdr+0x108/0x2b0 [ 502.903497][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 502.908009][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 502.913364][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 502.919269][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 502.924486][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 502.930138][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 502.935430][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 502.940199][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 502.944881][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 502.950084][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 502.955297][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 502.961460][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 502.967623][ T8868] __do_fast_syscall_32+0x102/0x160 [ 502.972833][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 502.977692][ T8868] do_SYSENTER_32+0x73/0x90 [ 502.982206][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 502.988528][ T8868] RIP: 0023:0xf7fcc549 [ 502.992605][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 503.012211][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 503.020628][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 503.028611][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 503.036591][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 503.044567][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 503.052543][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 503.060519][ T8868] Uninit was stored to memory at: [ 503.065550][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 503.071277][ T8868] __msan_chain_origin+0x57/0xa0 [ 503.076215][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 503.081325][ T8868] get_compat_msghdr+0x108/0x2b0 [ 503.086266][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 503.090771][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 503.095451][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 503.101521][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 503.107681][ T8868] __do_fast_syscall_32+0x102/0x160 [ 503.112887][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 503.117756][ T8868] do_SYSENTER_32+0x73/0x90 [ 503.122268][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 503.128579][ T8868] [ 503.130896][ T8868] Uninit was stored to memory at: [ 503.135922][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 503.136061][ T8551] not chained 1050000 origins [ 503.141640][ T8868] __msan_chain_origin+0x57/0xa0 [ 503.146299][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 503.151241][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 503.165690][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 503.170782][ T8868] get_compat_msghdr+0x108/0x2b0 [ 503.180800][ T8551] Call Trace: [ 503.185721][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 503.188982][ T8551] dump_stack+0x21c/0x280 [ 503.193545][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 503.197846][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 503.202496][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 503.208184][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 503.214223][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 503.219393][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 503.225520][ T8868] __do_fast_syscall_32+0x102/0x160 [ 503.231294][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 503.236467][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 503.241647][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 503.246488][ T8868] do_SYSENTER_32+0x73/0x90 [ 503.252275][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 503.256756][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 503.262791][ T8551] ? __wake_up+0x1fc/0x250 [ 503.269078][ T8868] [ 503.273479][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 503.275773][ T8868] Uninit was stored to memory at: [ 503.280957][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 503.285956][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 503.291736][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 503.297425][ T8868] __msan_chain_origin+0x57/0xa0 [ 503.303465][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 503.308391][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 503.313560][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 503.318643][ T8868] get_compat_msghdr+0x108/0x2b0 [ 503.324251][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 503.329166][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 503.335205][ T8551] ? _copy_from_user+0x1fd/0x300 [ 503.339680][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 503.344588][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 503.349237][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 503.354419][ T8551] __msan_chain_origin+0x57/0xa0 [ 503.360458][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 503.365367][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 503.371493][ T8868] __do_fast_syscall_32+0x102/0x160 [ 503.376577][ T8551] get_compat_msghdr+0x108/0x2b0 [ 503.381748][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 503.386656][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 503.391478][ T8868] do_SYSENTER_32+0x73/0x90 [ 503.395951][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 503.400429][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 503.405595][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 503.411886][ T8868] [ 503.417760][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 503.420054][ T8868] Uninit was stored to memory at: [ 503.425234][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 503.430229][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 503.435834][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 503.441524][ T8868] __msan_chain_origin+0x57/0xa0 [ 503.446782][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 503.451690][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 503.456427][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 503.461633][ T8868] get_compat_msghdr+0x108/0x2b0 [ 503.466296][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 503.471205][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 503.476373][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 503.480847][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 503.486019][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 503.490680][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 503.496740][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 503.502778][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 503.508905][ T8551] __do_fast_syscall_32+0x102/0x160 [ 503.515027][ T8868] __do_fast_syscall_32+0x102/0x160 [ 503.520197][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 503.525365][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 503.530189][ T8551] do_SYSENTER_32+0x73/0x90 [ 503.535010][ T8868] do_SYSENTER_32+0x73/0x90 [ 503.539485][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 503.543960][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 503.550251][ T8551] RIP: 0023:0xf7fa1549 [ 503.556549][ T8868] [ 503.560602][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 503.562896][ T8868] Uninit was stored to memory at: [ 503.582479][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 [ 503.587470][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 503.587476][ T8551] ORIG_RAX: 0000000000000151 [ 503.587497][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 503.593536][ T8868] __msan_chain_origin+0x57/0xa0 [ 503.599223][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 503.603877][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 503.611821][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 503.616736][ T8868] get_compat_msghdr+0x108/0x2b0 [ 503.624680][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 503.629770][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 503.637713][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 503.642631][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 503.650566][ T8551] Uninit was stored to memory at: [ 503.655053][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 503.663000][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 503.667652][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 503.672649][ T8551] __msan_chain_origin+0x57/0xa0 [ 503.678692][ T8868] __do_fast_syscall_32+0x102/0x160 [ 503.684382][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 503.690531][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 503.695452][ T8551] get_compat_msghdr+0x108/0x2b0 [ 503.700631][ T8868] do_SYSENTER_32+0x73/0x90 [ 503.705719][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 503.710543][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 503.715470][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 503.719940][ T8868] [ 503.724451][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 503.730733][ T8868] Uninit was stored to memory at: [ 503.735396][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 503.737698][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 503.743755][ T8551] __do_fast_syscall_32+0x102/0x160 [ 503.748747][ T8868] __msan_chain_origin+0x57/0xa0 [ 503.754901][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 503.760585][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 503.765765][ T8551] do_SYSENTER_32+0x73/0x90 [ 503.770676][ T8868] get_compat_msghdr+0x108/0x2b0 [ 503.775510][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 503.780590][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 503.785053][ T8551] [ 503.789978][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 503.796266][ T8551] Uninit was stored to memory at: [ 503.800755][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 503.803059][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 503.807709][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 503.812701][ T8551] __msan_chain_origin+0x57/0xa0 [ 503.818759][ T8868] __do_fast_syscall_32+0x102/0x160 [ 503.824449][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 503.830574][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 503.835482][ T8551] get_compat_msghdr+0x108/0x2b0 [ 503.840654][ T8868] do_SYSENTER_32+0x73/0x90 [ 503.845738][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 503.850567][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 503.855481][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 503.859949][ T8868] [ 503.864444][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 503.870733][ T8868] Uninit was stored to memory at: [ 503.875483][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 503.877787][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 503.883827][ T8551] __do_fast_syscall_32+0x102/0x160 [ 503.888818][ T8868] __msan_chain_origin+0x57/0xa0 [ 503.894947][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 503.900648][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 503.905819][ T8551] do_SYSENTER_32+0x73/0x90 [ 503.910726][ T8868] get_compat_msghdr+0x108/0x2b0 [ 503.915558][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 503.920640][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 503.925100][ T8551] [ 503.930039][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 503.936326][ T8551] Uninit was stored to memory at: [ 503.940813][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 503.943125][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 503.947780][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 503.952776][ T8551] __msan_chain_origin+0x57/0xa0 [ 503.958823][ T8868] __do_fast_syscall_32+0x102/0x160 [ 503.964512][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 503.970637][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 503.975545][ T8551] get_compat_msghdr+0x108/0x2b0 [ 503.980859][ T8868] do_SYSENTER_32+0x73/0x90 [ 503.985940][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 503.990766][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 503.995673][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 504.000134][ T8868] [ 504.004622][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 504.010910][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 504.015568][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 504.017869][ T8868] do_recvmmsg+0xbf/0x22f0 [ 504.023911][ T8551] __do_fast_syscall_32+0x102/0x160 [ 504.030552][ T8868] do_recvmmsg+0xbf/0x22f0 [ 504.036679][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 504.055474][ T8551] do_SYSENTER_32+0x73/0x90 [ 504.060083][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 504.066431][ T8551] [ 504.068753][ T8551] Uninit was stored to memory at: [ 504.073782][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 504.079503][ T8551] __msan_chain_origin+0x57/0xa0 [ 504.084449][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 504.089558][ T8551] get_compat_msghdr+0x108/0x2b0 [ 504.094492][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 504.099000][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 504.103674][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 504.109739][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 504.115900][ T8551] __do_fast_syscall_32+0x102/0x160 [ 504.121097][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 504.125948][ T8551] do_SYSENTER_32+0x73/0x90 [ 504.130456][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 504.136764][ T8551] [ 504.139081][ T8551] Uninit was stored to memory at: [ 504.144101][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 504.149815][ T8551] __msan_chain_origin+0x57/0xa0 [ 504.154751][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 504.159866][ T8551] get_compat_msghdr+0x108/0x2b0 [ 504.164804][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 504.169307][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 504.173989][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 504.180052][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 504.186209][ T8551] __do_fast_syscall_32+0x102/0x160 [ 504.191406][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 504.196255][ T8551] do_SYSENTER_32+0x73/0x90 [ 504.200759][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 504.207069][ T8551] [ 504.209389][ T8551] Uninit was stored to memory at: [ 504.214415][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 504.220129][ T8551] __msan_chain_origin+0x57/0xa0 [ 504.225064][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 504.230171][ T8551] get_compat_msghdr+0x108/0x2b0 [ 504.235107][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 504.239607][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 504.244383][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 504.250448][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 504.256600][ T8551] __do_fast_syscall_32+0x102/0x160 [ 504.261802][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 504.266652][ T8551] do_SYSENTER_32+0x73/0x90 [ 504.271165][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 504.277475][ T8551] [ 504.279791][ T8551] Uninit was stored to memory at: [ 504.284813][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 504.290529][ T8551] __msan_chain_origin+0x57/0xa0 [ 504.295463][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 504.300572][ T8551] get_compat_msghdr+0x108/0x2b0 [ 504.305508][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 504.310008][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 504.314683][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 504.320749][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 504.326903][ T8551] __do_fast_syscall_32+0x102/0x160 [ 504.332099][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 504.336947][ T8551] do_SYSENTER_32+0x73/0x90 [ 504.341454][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 504.347764][ T8551] [ 504.350083][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 504.356752][ T8551] do_recvmmsg+0xbf/0x22f0 [ 504.361169][ T8551] do_recvmmsg+0xbf/0x22f0 [ 504.735111][ T8515] not chained 1060000 origins [ 504.739826][ T8515] CPU: 1 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 504.748604][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 504.758662][ T8515] Call Trace: [ 504.761962][ T8515] dump_stack+0x21c/0x280 [ 504.766302][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 504.772052][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 504.777270][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 504.783083][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 504.788294][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 504.794102][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 504.800173][ T8515] ? __wake_up+0x1fc/0x250 [ 504.804594][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 504.809795][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 504.815683][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 504.821752][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 504.826954][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 504.832601][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 504.838674][ T8515] ? _copy_from_user+0x1fd/0x300 [ 504.843616][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 504.849175][ T8515] __msan_chain_origin+0x57/0xa0 [ 504.854119][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 504.859240][ T8515] get_compat_msghdr+0x108/0x2b0 [ 504.864186][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 504.868699][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 504.873907][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 504.880064][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 504.885290][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 504.890926][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 504.896215][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 504.900983][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 504.905663][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 504.910860][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 504.916074][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 504.922154][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 504.928337][ T8515] __do_fast_syscall_32+0x102/0x160 [ 504.933560][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 504.938423][ T8515] do_SYSENTER_32+0x73/0x90 [ 504.942938][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 504.949261][ T8515] RIP: 0023:0xf7fa1549 [ 504.953336][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 504.972952][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 504.981378][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 504.989354][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 504.997327][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 505.005301][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 505.013277][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 505.021248][ T8515] Uninit was stored to memory at: [ 505.026280][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 505.032006][ T8515] __msan_chain_origin+0x57/0xa0 [ 505.036947][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 505.042058][ T8515] get_compat_msghdr+0x108/0x2b0 [ 505.047002][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 505.051597][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 505.056281][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 505.062376][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 505.068540][ T8515] __do_fast_syscall_32+0x102/0x160 [ 505.073776][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 505.078689][ T8515] do_SYSENTER_32+0x73/0x90 [ 505.083204][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 505.089516][ T8515] [ 505.091841][ T8515] Uninit was stored to memory at: [ 505.096866][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 505.102633][ T8515] __msan_chain_origin+0x57/0xa0 [ 505.107574][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 505.112691][ T8515] get_compat_msghdr+0x108/0x2b0 [ 505.117639][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 505.122148][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 505.126830][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 505.132900][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 505.139064][ T8515] __do_fast_syscall_32+0x102/0x160 [ 505.144280][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 505.149132][ T8515] do_SYSENTER_32+0x73/0x90 [ 505.153659][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 505.159975][ T8515] [ 505.162302][ T8515] Uninit was stored to memory at: [ 505.167339][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 505.173061][ T8515] __msan_chain_origin+0x57/0xa0 [ 505.178004][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 505.183129][ T8515] get_compat_msghdr+0x108/0x2b0 [ 505.188086][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 505.192591][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 505.197272][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 505.203346][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 505.209506][ T8515] __do_fast_syscall_32+0x102/0x160 [ 505.214711][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 505.219563][ T8515] do_SYSENTER_32+0x73/0x90 [ 505.224074][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 505.230392][ T8515] [ 505.232714][ T8515] Uninit was stored to memory at: [ 505.237741][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 505.243459][ T8515] __msan_chain_origin+0x57/0xa0 [ 505.248401][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 505.253514][ T8515] get_compat_msghdr+0x108/0x2b0 [ 505.258454][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 505.262965][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 505.267645][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 505.273715][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 505.279875][ T8515] __do_fast_syscall_32+0x102/0x160 [ 505.285078][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 505.289934][ T8515] do_SYSENTER_32+0x73/0x90 [ 505.294447][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 505.300763][ T8515] [ 505.303083][ T8515] Uninit was stored to memory at: [ 505.308110][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 505.313829][ T8515] __msan_chain_origin+0x57/0xa0 [ 505.318777][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 505.323887][ T8515] get_compat_msghdr+0x108/0x2b0 [ 505.328829][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 505.333334][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 505.338014][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 505.344084][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 505.350257][ T8515] __do_fast_syscall_32+0x102/0x160 [ 505.355637][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 505.360492][ T8515] do_SYSENTER_32+0x73/0x90 [ 505.365002][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 505.371316][ T8515] [ 505.373638][ T8515] Uninit was stored to memory at: [ 505.378662][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 505.384384][ T8515] __msan_chain_origin+0x57/0xa0 [ 505.389327][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 505.394441][ T8515] get_compat_msghdr+0x108/0x2b0 [ 505.399468][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 505.403980][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 505.408659][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 505.414729][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 505.420885][ T8515] __do_fast_syscall_32+0x102/0x160 [ 505.426086][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 505.430941][ T8515] do_SYSENTER_32+0x73/0x90 [ 505.435453][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 505.441767][ T8515] [ 505.444090][ T8515] Uninit was stored to memory at: [ 505.449115][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 505.454848][ T8515] __msan_chain_origin+0x57/0xa0 [ 505.459786][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 505.464897][ T8515] get_compat_msghdr+0x108/0x2b0 [ 505.469837][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 505.474339][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 505.479021][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 505.485094][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 505.491256][ T8515] __do_fast_syscall_32+0x102/0x160 [ 505.496461][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 505.501325][ T8515] do_SYSENTER_32+0x73/0x90 [ 505.505833][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 505.512159][ T8515] [ 505.514486][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 505.521162][ T8515] do_recvmmsg+0xbf/0x22f0 [ 505.525581][ T8515] do_recvmmsg+0xbf/0x22f0 [ 505.677580][ T8515] not chained 1070000 origins [ 505.682401][ T8515] CPU: 1 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 505.691068][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 505.701122][ T8515] Call Trace: [ 505.704424][ T8515] dump_stack+0x21c/0x280 [ 505.708760][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 505.714485][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 505.719689][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 505.725497][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 505.730726][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 505.736535][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 505.742608][ T8515] ? __wake_up+0x1fc/0x250 [ 505.747040][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 505.752248][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 505.758059][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 505.764137][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 505.769425][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 505.775071][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 505.781146][ T8515] ? _copy_from_user+0x1fd/0x300 [ 505.786086][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 505.791286][ T8515] __msan_chain_origin+0x57/0xa0 [ 505.796231][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 505.801347][ T8515] get_compat_msghdr+0x108/0x2b0 [ 505.806299][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 505.810810][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 505.816012][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 505.822166][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 505.827365][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 505.832999][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 505.838286][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 505.843054][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 505.847824][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 505.853025][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 505.858227][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 505.864304][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 505.870565][ T8515] __do_fast_syscall_32+0x102/0x160 [ 505.875783][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 505.880644][ T8515] do_SYSENTER_32+0x73/0x90 [ 505.885164][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 505.891492][ T8515] RIP: 0023:0xf7fa1549 [ 505.895572][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 505.915187][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 505.923611][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 505.931586][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 505.939560][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 505.947683][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 505.955659][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 505.963633][ T8515] Uninit was stored to memory at: [ 505.968692][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 505.974414][ T8515] __msan_chain_origin+0x57/0xa0 [ 505.979352][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 505.984466][ T8515] get_compat_msghdr+0x108/0x2b0 [ 505.989436][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 505.993944][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 505.998623][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 506.004695][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 506.010856][ T8515] __do_fast_syscall_32+0x102/0x160 [ 506.016062][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 506.016736][ T8868] not chained 1080000 origins [ 506.020936][ T8515] do_SYSENTER_32+0x73/0x90 [ 506.025606][ T8868] CPU: 0 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 506.030094][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 506.038728][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 506.045024][ T8515] [ 506.055055][ T8868] Call Trace: [ 506.057359][ T8515] Uninit was stored to memory at: [ 506.060630][ T8868] dump_stack+0x21c/0x280 [ 506.065711][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 506.070012][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 506.075702][ T8515] __msan_chain_origin+0x57/0xa0 [ 506.081394][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 506.086309][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 506.091480][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 506.096563][ T8515] get_compat_msghdr+0x108/0x2b0 [ 506.102340][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 506.107257][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 506.112427][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 506.116927][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 506.122714][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 506.127372][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 506.133420][ T8868] ? __wake_up+0x1fc/0x250 [ 506.139463][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 506.143851][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 506.149980][ T8515] __do_fast_syscall_32+0x102/0x160 [ 506.155152][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 506.160323][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 506.166097][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 506.170922][ T8515] do_SYSENTER_32+0x73/0x90 [ 506.176958][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 506.181437][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 506.186603][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 506.192891][ T8515] [ 506.198512][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 506.200800][ T8515] Uninit was stored to memory at: [ 506.206860][ T8868] ? _copy_from_user+0x1fd/0x300 [ 506.211967][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 506.216886][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 506.222577][ T8515] __msan_chain_origin+0x57/0xa0 [ 506.227747][ T8868] __msan_chain_origin+0x57/0xa0 [ 506.232658][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 506.237567][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 506.242666][ T8515] get_compat_msghdr+0x108/0x2b0 [ 506.247753][ T8868] get_compat_msghdr+0x108/0x2b0 [ 506.252663][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 506.257573][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 506.262049][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 506.266525][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 506.271175][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 506.276346][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 506.282385][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 506.288249][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 506.294377][ T8515] __do_fast_syscall_32+0x102/0x160 [ 506.299542][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 506.304713][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 506.310313][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 506.315139][ T8515] do_SYSENTER_32+0x73/0x90 [ 506.320410][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 506.324887][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 506.329631][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 506.335915][ T8515] [ 506.340585][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 506.342910][ T8515] Uninit was stored to memory at: [ 506.348094][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 506.353097][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 506.358271][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 506.363957][ T8515] __msan_chain_origin+0x57/0xa0 [ 506.370003][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 506.374911][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 506.381037][ T8868] __do_fast_syscall_32+0x102/0x160 [ 506.386117][ T8515] get_compat_msghdr+0x108/0x2b0 [ 506.391288][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 506.396197][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 506.401022][ T8868] do_SYSENTER_32+0x73/0x90 [ 506.405497][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 506.409975][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 506.414623][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 506.420914][ T8868] RIP: 0023:0xf7fcc549 [ 506.426956][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 506.430998][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 506.437126][ T8515] __do_fast_syscall_32+0x102/0x160 [ 506.456694][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 [ 506.461858][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 506.461876][ T8868] ORIG_RAX: 0000000000000151 [ 506.467921][ T8515] do_SYSENTER_32+0x73/0x90 [ 506.472737][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 506.477394][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 506.481860][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 506.489800][ T8515] [ 506.496103][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 506.504043][ T8515] Uninit was stored to memory at: [ 506.506352][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 506.514305][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 506.519296][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 506.527248][ T8515] __msan_chain_origin+0x57/0xa0 [ 506.532929][ T8868] Uninit was stored to memory at: [ 506.540886][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 506.545793][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 506.550790][ T8515] get_compat_msghdr+0x108/0x2b0 [ 506.555872][ T8868] __msan_chain_origin+0x57/0xa0 [ 506.561563][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 506.566473][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 506.571385][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 506.575859][ T8868] get_compat_msghdr+0x108/0x2b0 [ 506.580942][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 506.586024][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 506.590936][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 506.596973][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 506.601452][ T8515] __do_fast_syscall_32+0x102/0x160 [ 506.607574][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 506.612223][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 506.617392][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 506.623429][ T8515] do_SYSENTER_32+0x73/0x90 [ 506.628253][ T8868] __do_fast_syscall_32+0x102/0x160 [ 506.634379][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 506.638852][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 506.644005][ T8515] [ 506.650316][ T8868] do_SYSENTER_32+0x73/0x90 [ 506.655126][ T8515] Uninit was stored to memory at: [ 506.657442][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 506.661913][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 506.666894][ T8868] [ 506.673200][ T8515] __msan_chain_origin+0x57/0xa0 [ 506.678881][ T8868] Uninit was stored to memory at: [ 506.681198][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 506.686105][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 506.691102][ T8515] get_compat_msghdr+0x108/0x2b0 [ 506.696184][ T8868] __msan_chain_origin+0x57/0xa0 [ 506.701874][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 506.706784][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 506.711695][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 506.716168][ T8868] get_compat_msghdr+0x108/0x2b0 [ 506.721253][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 506.725900][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 506.730809][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 506.736846][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 506.741325][ T8515] __do_fast_syscall_32+0x102/0x160 [ 506.747459][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 506.752109][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 506.757276][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 506.763312][ T8515] do_SYSENTER_32+0x73/0x90 [ 506.768134][ T8868] __do_fast_syscall_32+0x102/0x160 [ 506.774258][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 506.778730][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 506.783886][ T8515] [ 506.790196][ T8868] do_SYSENTER_32+0x73/0x90 [ 506.795004][ T8515] Uninit was stored to memory at: [ 506.797321][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 506.801792][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 506.806776][ T8868] [ 506.813084][ T8515] __msan_chain_origin+0x57/0xa0 [ 506.818776][ T8868] Uninit was stored to memory at: [ 506.821090][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 506.826000][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 506.831003][ T8515] get_compat_msghdr+0x108/0x2b0 [ 506.836084][ T8868] __msan_chain_origin+0x57/0xa0 [ 506.841796][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 506.846703][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 506.851611][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 506.856085][ T8868] get_compat_msghdr+0x108/0x2b0 [ 506.861171][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 506.865818][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 506.870729][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 506.876873][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 506.881352][ T8515] __do_fast_syscall_32+0x102/0x160 [ 506.887476][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 506.892127][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 506.897297][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 506.903355][ T8515] do_SYSENTER_32+0x73/0x90 [ 506.908184][ T8868] __do_fast_syscall_32+0x102/0x160 [ 506.914317][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 506.918974][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 506.924142][ T8515] [ 506.930465][ T8868] do_SYSENTER_32+0x73/0x90 [ 506.935271][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 506.937588][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 506.942066][ T8515] do_recvmmsg+0xbf/0x22f0 [ 506.948707][ T8868] [ 506.955028][ T8515] do_recvmmsg+0xbf/0x22f0 [ 506.959409][ T8868] Uninit was stored to memory at: [ 506.971124][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 506.977019][ T8868] __msan_chain_origin+0x57/0xa0 [ 506.982002][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 506.987122][ T8868] get_compat_msghdr+0x108/0x2b0 [ 506.992151][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 506.996693][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 507.001381][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 507.007475][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 507.013634][ T8868] __do_fast_syscall_32+0x102/0x160 [ 507.018831][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 507.023682][ T8868] do_SYSENTER_32+0x73/0x90 [ 507.028190][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 507.034499][ T8868] [ 507.036819][ T8868] Uninit was stored to memory at: [ 507.041842][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 507.047554][ T8868] __msan_chain_origin+0x57/0xa0 [ 507.052491][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 507.057598][ T8868] get_compat_msghdr+0x108/0x2b0 [ 507.062539][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 507.067047][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 507.071721][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 507.077785][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 507.083937][ T8868] __do_fast_syscall_32+0x102/0x160 [ 507.089134][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 507.093991][ T8868] do_SYSENTER_32+0x73/0x90 [ 507.098494][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 507.104802][ T8868] [ 507.107117][ T8868] Uninit was stored to memory at: [ 507.112138][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 507.117849][ T8868] __msan_chain_origin+0x57/0xa0 [ 507.122782][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 507.127893][ T8868] get_compat_msghdr+0x108/0x2b0 [ 507.132829][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 507.137331][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 507.142005][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 507.148069][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 507.152050][ T8551] not chained 1090000 origins [ 507.154225][ T8868] __do_fast_syscall_32+0x102/0x160 [ 507.158878][ T8551] CPU: 1 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 507.164051][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 507.172685][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 507.177516][ T8868] do_SYSENTER_32+0x73/0x90 [ 507.187532][ T8551] Call Trace: [ 507.192019][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 507.195277][ T8551] dump_stack+0x21c/0x280 [ 507.201559][ T8868] [ 507.205874][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 507.208165][ T8868] Uninit was stored to memory at: [ 507.213875][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 507.218869][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 507.224040][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 507.229728][ T8868] __msan_chain_origin+0x57/0xa0 [ 507.235505][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 507.240415][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 507.245585][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 507.250666][ T8868] get_compat_msghdr+0x108/0x2b0 [ 507.256465][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 507.261375][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 507.267415][ T8551] ? __wake_up+0x1fc/0x250 [ 507.271887][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 507.276276][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 507.280926][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 507.286096][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 507.292134][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 507.297910][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 507.304041][ T8868] __do_fast_syscall_32+0x102/0x160 [ 507.310077][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 507.315248][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 507.320414][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 507.325238][ T8868] do_SYSENTER_32+0x73/0x90 [ 507.330846][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 507.335319][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 507.341354][ T8551] ? _copy_from_user+0x1fd/0x300 [ 507.347638][ T8868] [ 507.352556][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 507.354851][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 507.360029][ T8551] __msan_chain_origin+0x57/0xa0 [ 507.366675][ T8868] do_recvmmsg+0xbf/0x22f0 [ 507.371586][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 507.375976][ T8868] do_recvmmsg+0xbf/0x22f0 [ 507.381060][ T8551] get_compat_msghdr+0x108/0x2b0 [ 507.390369][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 507.394881][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 507.400081][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 507.405986][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 507.411185][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 507.416818][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 507.422110][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 507.426881][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 507.431567][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 507.436770][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 507.441984][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 507.448059][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 507.454224][ T8551] __do_fast_syscall_32+0x102/0x160 [ 507.459431][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 507.464291][ T8551] do_SYSENTER_32+0x73/0x90 [ 507.468802][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 507.475226][ T8551] RIP: 0023:0xf7fa1549 [ 507.479298][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 507.498908][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 507.507772][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 507.515749][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 507.523726][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 507.531702][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 507.539681][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 507.547656][ T8551] Uninit was stored to memory at: [ 507.552691][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 507.558420][ T8551] __msan_chain_origin+0x57/0xa0 [ 507.563369][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 507.568485][ T8551] get_compat_msghdr+0x108/0x2b0 [ 507.573430][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 507.577936][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 507.582628][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 507.588698][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 507.594862][ T8551] __do_fast_syscall_32+0x102/0x160 [ 507.600066][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 507.605276][ T8551] do_SYSENTER_32+0x73/0x90 [ 507.609788][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 507.616102][ T8551] [ 507.618422][ T8551] Uninit was stored to memory at: [ 507.623450][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 507.629184][ T8551] __msan_chain_origin+0x57/0xa0 [ 507.634125][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 507.639241][ T8551] get_compat_msghdr+0x108/0x2b0 [ 507.644182][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 507.648695][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 507.653374][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 507.659460][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 507.665621][ T8551] __do_fast_syscall_32+0x102/0x160 [ 507.670824][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 507.675680][ T8551] do_SYSENTER_32+0x73/0x90 [ 507.680188][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 507.686498][ T8551] [ 507.688819][ T8551] Uninit was stored to memory at: [ 507.693848][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 507.699568][ T8551] __msan_chain_origin+0x57/0xa0 [ 507.704536][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 507.709646][ T8551] get_compat_msghdr+0x108/0x2b0 [ 507.714589][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 507.719092][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 507.723773][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 507.729841][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 507.736001][ T8551] __do_fast_syscall_32+0x102/0x160 [ 507.741295][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 507.746150][ T8551] do_SYSENTER_32+0x73/0x90 [ 507.750665][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 507.756982][ T8551] [ 507.759401][ T8551] Uninit was stored to memory at: [ 507.764431][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 507.770149][ T8551] __msan_chain_origin+0x57/0xa0 [ 507.775092][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 507.780203][ T8551] get_compat_msghdr+0x108/0x2b0 [ 507.785145][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 507.789651][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 507.794332][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 507.800405][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 507.806565][ T8551] __do_fast_syscall_32+0x102/0x160 [ 507.811770][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 507.816624][ T8551] do_SYSENTER_32+0x73/0x90 [ 507.821129][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 507.827440][ T8551] [ 507.829759][ T8551] Uninit was stored to memory at: [ 507.834785][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 507.840504][ T8551] __msan_chain_origin+0x57/0xa0 [ 507.845445][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 507.850563][ T8551] get_compat_msghdr+0x108/0x2b0 [ 507.855502][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 507.860007][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 507.864796][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 507.870886][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 507.877046][ T8551] __do_fast_syscall_32+0x102/0x160 [ 507.882252][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 507.887133][ T8551] do_SYSENTER_32+0x73/0x90 [ 507.891644][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 507.897962][ T8551] [ 507.900288][ T8551] Uninit was stored to memory at: [ 507.905315][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 507.911033][ T8551] __msan_chain_origin+0x57/0xa0 [ 507.916090][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 507.921210][ T8551] get_compat_msghdr+0x108/0x2b0 [ 507.926171][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 507.930682][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 507.935375][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 507.941710][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 507.948133][ T8551] __do_fast_syscall_32+0x102/0x160 [ 507.953343][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 507.958200][ T8551] do_SYSENTER_32+0x73/0x90 [ 507.962713][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 507.969122][ T8551] [ 507.971469][ T8551] Uninit was stored to memory at: [ 507.976499][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 507.982223][ T8551] __msan_chain_origin+0x57/0xa0 [ 507.987163][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 507.992340][ T8551] get_compat_msghdr+0x108/0x2b0 [ 507.997282][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 508.001793][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 508.006480][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 508.012575][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 508.018735][ T8551] __do_fast_syscall_32+0x102/0x160 [ 508.023938][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 508.028794][ T8551] do_SYSENTER_32+0x73/0x90 [ 508.033303][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 508.039616][ T8551] [ 508.041939][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 508.048620][ T8551] do_recvmmsg+0xbf/0x22f0 [ 508.053055][ T8551] do_recvmmsg+0xbf/0x22f0 [ 508.280479][ T8515] not chained 1100000 origins [ 508.285199][ T8515] CPU: 0 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 508.293857][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 508.303898][ T8515] Call Trace: [ 508.307187][ T8515] dump_stack+0x21c/0x280 [ 508.311512][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 508.317219][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 508.322406][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 508.328198][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 508.333385][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 508.339180][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 508.345252][ T8515] ? __wake_up+0x1fc/0x250 [ 508.349658][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 508.354846][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 508.360639][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 508.366706][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 508.371892][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 508.377525][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 508.383670][ T8515] ? _copy_from_user+0x1fd/0x300 [ 508.388598][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 508.393783][ T8515] __msan_chain_origin+0x57/0xa0 [ 508.398712][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 508.403815][ T8515] get_compat_msghdr+0x108/0x2b0 [ 508.408744][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 508.413242][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 508.418429][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 508.424569][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 508.429757][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 508.435376][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 508.440649][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 508.445402][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 508.450067][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 508.455341][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 508.460529][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 508.466590][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 508.472736][ T8515] __do_fast_syscall_32+0x102/0x160 [ 508.477927][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 508.482770][ T8515] do_SYSENTER_32+0x73/0x90 [ 508.487267][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 508.493580][ T8515] RIP: 0023:0xf7fa1549 [ 508.497639][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 508.517232][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 508.525637][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 508.533599][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 508.541554][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 508.549513][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 508.557475][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 508.565436][ T8515] Uninit was stored to memory at: [ 508.570453][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 508.576169][ T8515] __msan_chain_origin+0x57/0xa0 [ 508.581095][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 508.586192][ T8515] get_compat_msghdr+0x108/0x2b0 [ 508.591116][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 508.595609][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 508.600275][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 508.606329][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 508.612473][ T8515] __do_fast_syscall_32+0x102/0x160 [ 508.617658][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 508.622497][ T8515] do_SYSENTER_32+0x73/0x90 [ 508.626999][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 508.633299][ T8515] [ 508.635609][ T8515] Uninit was stored to memory at: [ 508.640644][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 508.646349][ T8515] __msan_chain_origin+0x57/0xa0 [ 508.651272][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 508.656368][ T8515] get_compat_msghdr+0x108/0x2b0 [ 508.661291][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 508.665783][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 508.670446][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 508.676502][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 508.682645][ T8515] __do_fast_syscall_32+0x102/0x160 [ 508.687830][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 508.692671][ T8515] do_SYSENTER_32+0x73/0x90 [ 508.697165][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 508.703466][ T8515] [ 508.705775][ T8515] Uninit was stored to memory at: [ 508.710786][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 508.716490][ T8515] __msan_chain_origin+0x57/0xa0 [ 508.721416][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 508.726513][ T8515] get_compat_msghdr+0x108/0x2b0 [ 508.731439][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 508.735930][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 508.740606][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 508.746661][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 508.752805][ T8515] __do_fast_syscall_32+0x102/0x160 [ 508.757991][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 508.762829][ T8515] do_SYSENTER_32+0x73/0x90 [ 508.767322][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 508.773623][ T8515] [ 508.775934][ T8515] Uninit was stored to memory at: [ 508.780955][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 508.786659][ T8515] __msan_chain_origin+0x57/0xa0 [ 508.791582][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 508.796678][ T8515] get_compat_msghdr+0x108/0x2b0 [ 508.801601][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 508.806091][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 508.810754][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 508.816807][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 508.822954][ T8515] __do_fast_syscall_32+0x102/0x160 [ 508.828141][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 508.832985][ T8515] do_SYSENTER_32+0x73/0x90 [ 508.837480][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 508.843783][ T8515] [ 508.846092][ T8515] Uninit was stored to memory at: [ 508.851103][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 508.856809][ T8515] __msan_chain_origin+0x57/0xa0 [ 508.861734][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 508.866838][ T8515] get_compat_msghdr+0x108/0x2b0 [ 508.871762][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 508.876253][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 508.880922][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 508.886980][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 508.893123][ T8515] __do_fast_syscall_32+0x102/0x160 [ 508.898323][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 508.903162][ T8515] do_SYSENTER_32+0x73/0x90 [ 508.907655][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 508.913964][ T8515] [ 508.916280][ T8515] Uninit was stored to memory at: [ 508.921309][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 508.927020][ T8515] __msan_chain_origin+0x57/0xa0 [ 508.931960][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 508.937066][ T8515] get_compat_msghdr+0x108/0x2b0 [ 508.941994][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 508.946488][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 508.951256][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 508.957322][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 508.963478][ T8515] __do_fast_syscall_32+0x102/0x160 [ 508.968669][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 508.973510][ T8515] do_SYSENTER_32+0x73/0x90 [ 508.978007][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 508.984310][ T8515] [ 508.986634][ T8515] Uninit was stored to memory at: [ 508.991659][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 508.997362][ T8515] __msan_chain_origin+0x57/0xa0 [ 509.002288][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 509.007386][ T8515] get_compat_msghdr+0x108/0x2b0 [ 509.012311][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 509.016800][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 509.021466][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 509.027519][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 509.033661][ T8515] __do_fast_syscall_32+0x102/0x160 [ 509.038850][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 509.043691][ T8515] do_SYSENTER_32+0x73/0x90 [ 509.048188][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 509.054488][ T8515] [ 509.056798][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 509.063460][ T8515] do_recvmmsg+0xbf/0x22f0 [ 509.067862][ T8515] do_recvmmsg+0xbf/0x22f0 [ 509.297737][ T8551] not chained 1110000 origins [ 509.302462][ T8551] CPU: 1 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 509.311139][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 509.321193][ T8551] Call Trace: [ 509.324496][ T8551] dump_stack+0x21c/0x280 [ 509.328839][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 509.334588][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 509.339792][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 509.345602][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 509.350805][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 509.356617][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 509.362691][ T8551] ? __wake_up+0x1fc/0x250 [ 509.367111][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 509.372316][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 509.378128][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 509.384205][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 509.389406][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 509.395048][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 509.401129][ T8551] ? _copy_from_user+0x1fd/0x300 [ 509.406075][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 509.411276][ T8551] __msan_chain_origin+0x57/0xa0 [ 509.416224][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 509.421370][ T8551] get_compat_msghdr+0x108/0x2b0 [ 509.426319][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 509.430831][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 509.436033][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 509.441932][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 509.447185][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 509.452821][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 509.458108][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 509.462880][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 509.467561][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 509.472762][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 509.477973][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 509.484051][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 509.490371][ T8551] __do_fast_syscall_32+0x102/0x160 [ 509.495616][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 509.500476][ T8551] do_SYSENTER_32+0x73/0x90 [ 509.504988][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 509.511315][ T8551] RIP: 0023:0xf7fa1549 [ 509.515383][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 509.534990][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 509.543413][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 509.551388][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 509.559359][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 509.567352][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 509.575417][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 509.583391][ T8551] Uninit was stored to memory at: [ 509.588424][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 509.594150][ T8551] __msan_chain_origin+0x57/0xa0 [ 509.599092][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 509.604206][ T8551] get_compat_msghdr+0x108/0x2b0 [ 509.609272][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 509.613778][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 509.618458][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 509.624559][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 509.630719][ T8551] __do_fast_syscall_32+0x102/0x160 [ 509.635924][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 509.640781][ T8551] do_SYSENTER_32+0x73/0x90 [ 509.645292][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 509.651605][ T8551] [ 509.653927][ T8551] Uninit was stored to memory at: [ 509.658954][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 509.664677][ T8551] __msan_chain_origin+0x57/0xa0 [ 509.669621][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 509.674734][ T8551] get_compat_msghdr+0x108/0x2b0 [ 509.679712][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 509.684230][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 509.688932][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 509.695006][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 509.701165][ T8551] __do_fast_syscall_32+0x102/0x160 [ 509.706372][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 509.711226][ T8551] do_SYSENTER_32+0x73/0x90 [ 509.715737][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 509.722071][ T8551] [ 509.724401][ T8551] Uninit was stored to memory at: [ 509.729428][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 509.735151][ T8551] __msan_chain_origin+0x57/0xa0 [ 509.740092][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 509.745200][ T8551] get_compat_msghdr+0x108/0x2b0 [ 509.750146][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 509.754652][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 509.759340][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 509.765422][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 509.771586][ T8551] __do_fast_syscall_32+0x102/0x160 [ 509.776789][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 509.781643][ T8551] do_SYSENTER_32+0x73/0x90 [ 509.786158][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 509.792478][ T8551] [ 509.794802][ T8551] Uninit was stored to memory at: [ 509.799836][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 509.805555][ T8551] __msan_chain_origin+0x57/0xa0 [ 509.810493][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 509.815648][ T8551] get_compat_msghdr+0x108/0x2b0 [ 509.820587][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 509.825089][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 509.829771][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 509.835865][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 509.842024][ T8551] __do_fast_syscall_32+0x102/0x160 [ 509.847225][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 509.852188][ T8551] do_SYSENTER_32+0x73/0x90 [ 509.856702][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 509.863015][ T8551] [ 509.865338][ T8551] Uninit was stored to memory at: [ 509.870368][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 509.876142][ T8551] __msan_chain_origin+0x57/0xa0 [ 509.881089][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 509.886213][ T8551] get_compat_msghdr+0x108/0x2b0 [ 509.891155][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 509.895667][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 509.900355][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 509.906433][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 509.912595][ T8551] __do_fast_syscall_32+0x102/0x160 [ 509.917802][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 509.922665][ T8551] do_SYSENTER_32+0x73/0x90 [ 509.927175][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 509.933488][ T8551] [ 509.935809][ T8551] Uninit was stored to memory at: [ 509.940836][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 509.946556][ T8551] __msan_chain_origin+0x57/0xa0 [ 509.951496][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 509.956610][ T8551] get_compat_msghdr+0x108/0x2b0 [ 509.961559][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 509.966067][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 509.970748][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 509.978299][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 509.984465][ T8551] __do_fast_syscall_32+0x102/0x160 [ 509.989686][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 509.994541][ T8551] do_SYSENTER_32+0x73/0x90 [ 509.999092][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 510.005403][ T8551] [ 510.007721][ T8551] Uninit was stored to memory at: [ 510.012749][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 510.018468][ T8551] __msan_chain_origin+0x57/0xa0 [ 510.023410][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 510.028521][ T8551] get_compat_msghdr+0x108/0x2b0 [ 510.033466][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 510.037975][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 510.042663][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 510.046391][ T8868] not chained 1120000 origins [ 510.048733][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 510.053390][ T8868] CPU: 0 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 510.059523][ T8551] __do_fast_syscall_32+0x102/0x160 [ 510.068167][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 510.073345][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 510.083363][ T8868] Call Trace: [ 510.088284][ T8551] do_SYSENTER_32+0x73/0x90 [ 510.091548][ T8868] dump_stack+0x21c/0x280 [ 510.096027][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 510.100338][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 510.106627][ T8551] [ 510.112334][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 510.114633][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 510.119822][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 510.126495][ T8551] do_recvmmsg+0xbf/0x22f0 [ 510.132272][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 510.136661][ T8551] do_recvmmsg+0xbf/0x22f0 [ 510.141832][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 510.152093][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 510.158203][ T8868] ? __wake_up+0x1fc/0x250 [ 510.162704][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 510.167947][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 510.173755][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 510.179816][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 510.185014][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 510.190648][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 510.196715][ T8868] ? _copy_from_user+0x1fd/0x300 [ 510.201662][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 510.206882][ T8868] __msan_chain_origin+0x57/0xa0 [ 510.211828][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 510.216944][ T8868] get_compat_msghdr+0x108/0x2b0 [ 510.221887][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 510.226399][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 510.231594][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 510.237488][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 510.242683][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 510.248314][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 510.253597][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 510.258449][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 510.263125][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 510.268324][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 510.273524][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 510.279592][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 510.285749][ T8868] __do_fast_syscall_32+0x102/0x160 [ 510.290951][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 510.295804][ T8868] do_SYSENTER_32+0x73/0x90 [ 510.300317][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 510.306637][ T8868] RIP: 0023:0xf7fcc549 [ 510.310705][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 510.319277][ T8515] not chained 1130000 origins [ 510.330310][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 510.343348][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 510.351302][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 510.359280][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 510.367246][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 510.375206][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 510.383161][ T8868] Uninit was stored to memory at: [ 510.383175][ T8515] CPU: 1 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 510.383192][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 510.388208][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 510.396839][ T8515] Call Trace: [ 510.406880][ T8868] __msan_chain_origin+0x57/0xa0 [ 510.412574][ T8515] dump_stack+0x21c/0x280 [ 510.415832][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 510.420740][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 510.425044][ T8868] get_compat_msghdr+0x108/0x2b0 [ 510.430125][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 510.435817][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 510.440727][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 510.445895][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 510.450369][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 510.456148][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 510.460797][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 510.465968][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 510.472003][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 510.477784][ T8868] __do_fast_syscall_32+0x102/0x160 [ 510.483907][ T8515] ? __wake_up+0x1fc/0x250 [ 510.489949][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 510.495127][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 510.499519][ T8868] do_SYSENTER_32+0x73/0x90 [ 510.504340][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 510.509511][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 510.513983][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 510.519746][ T8868] [ 510.526053][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 510.532081][ T8868] Uninit was stored to memory at: [ 510.534396][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 510.539563][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 510.544565][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 510.550160][ T8868] __msan_chain_origin+0x57/0xa0 [ 510.555854][ T8515] ? _copy_from_user+0x1fd/0x300 [ 510.561890][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 510.566798][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 510.571708][ T8868] get_compat_msghdr+0x108/0x2b0 [ 510.576791][ T8515] __msan_chain_origin+0x57/0xa0 [ 510.581975][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 510.586887][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 510.591806][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 510.596293][ T8515] get_compat_msghdr+0x108/0x2b0 [ 510.601376][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 510.606026][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 510.610940][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 510.616976][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 510.621456][ T8868] __do_fast_syscall_32+0x102/0x160 [ 510.627579][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 510.632750][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 510.637918][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 510.644048][ T8868] do_SYSENTER_32+0x73/0x90 [ 510.648869][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 510.654042][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 510.658512][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 510.664106][ T8868] [ 510.670420][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 510.675672][ T8868] Uninit was stored to memory at: [ 510.677990][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 510.682722][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 510.687719][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 510.692365][ T8868] __msan_chain_origin+0x57/0xa0 [ 510.698057][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 510.703225][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 510.708136][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 510.713308][ T8868] get_compat_msghdr+0x108/0x2b0 [ 510.718393][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 510.724451][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 510.729366][ T8515] __do_fast_syscall_32+0x102/0x160 [ 510.735488][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 510.739964][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 510.745131][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 510.749780][ T8515] do_SYSENTER_32+0x73/0x90 [ 510.754600][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 510.760643][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 510.765117][ T8868] __do_fast_syscall_32+0x102/0x160 [ 510.771235][ T8515] RIP: 0023:0xf7fa1549 [ 510.777539][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 510.782708][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 510.786747][ T8868] do_SYSENTER_32+0x73/0x90 [ 510.791561][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 [ 510.811147][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 510.815611][ T8515] ORIG_RAX: 0000000000000151 [ 510.821641][ T8868] [ 510.827944][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 510.832582][ T8868] Uninit was stored to memory at: [ 510.834890][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 510.842847][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 510.847854][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 510.855805][ T8868] __msan_chain_origin+0x57/0xa0 [ 510.861492][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 510.869444][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 510.874347][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 510.882298][ T8868] get_compat_msghdr+0x108/0x2b0 [ 510.887369][ T8515] Uninit was stored to memory at: [ 510.895326][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 510.900234][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 510.905231][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 510.909703][ T8515] __msan_chain_origin+0x57/0xa0 [ 510.915395][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 510.920041][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 510.924957][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 510.931007][ T8515] get_compat_msghdr+0x108/0x2b0 [ 510.936096][ T8868] __do_fast_syscall_32+0x102/0x160 [ 510.942223][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 510.947135][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 510.952313][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 510.956879][ T8868] do_SYSENTER_32+0x73/0x90 [ 510.961707][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 510.966373][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 510.970851][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 510.976875][ T8868] [ 510.983364][ T8515] __do_fast_syscall_32+0x102/0x160 [ 510.989473][ T8868] Uninit was stored to memory at: [ 510.991790][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 510.996957][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 511.001955][ T8515] do_SYSENTER_32+0x73/0x90 [ 511.006773][ T8868] __msan_chain_origin+0x57/0xa0 [ 511.012469][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 511.016947][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 511.021842][ T8515] [ 511.028162][ T8868] get_compat_msghdr+0x108/0x2b0 [ 511.033236][ T8515] Uninit was stored to memory at: [ 511.035550][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 511.040456][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 511.045456][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 511.049930][ T8515] __msan_chain_origin+0x57/0xa0 [ 511.055623][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 511.060270][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 511.065178][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 511.071215][ T8515] get_compat_msghdr+0x108/0x2b0 [ 511.076300][ T8868] __do_fast_syscall_32+0x102/0x160 [ 511.082597][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 511.087506][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 511.092673][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 511.097154][ T8868] do_SYSENTER_32+0x73/0x90 [ 511.101974][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 511.106623][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 511.111095][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 511.117117][ T8868] [ 511.123431][ T8515] __do_fast_syscall_32+0x102/0x160 [ 511.129542][ T8868] Uninit was stored to memory at: [ 511.131858][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 511.137025][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 511.142023][ T8515] do_SYSENTER_32+0x73/0x90 [ 511.146842][ T8868] __msan_chain_origin+0x57/0xa0 [ 511.152536][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 511.157008][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 511.161914][ T8515] [ 511.168223][ T8868] get_compat_msghdr+0x108/0x2b0 [ 511.173294][ T8515] Uninit was stored to memory at: [ 511.175609][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 511.180515][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 511.185510][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 511.189988][ T8515] __msan_chain_origin+0x57/0xa0 [ 511.195682][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 511.200329][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 511.205243][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 511.211277][ T8515] get_compat_msghdr+0x108/0x2b0 [ 511.216363][ T8868] __do_fast_syscall_32+0x102/0x160 [ 511.222485][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 511.227397][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 511.232563][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 511.237040][ T8868] do_SYSENTER_32+0x73/0x90 [ 511.241860][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 511.246511][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 511.250984][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 511.257006][ T8868] [ 511.263319][ T8515] __do_fast_syscall_32+0x102/0x160 [ 511.269444][ T8868] Uninit was stored to memory at: [ 511.271761][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 511.276929][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 511.281925][ T8515] do_SYSENTER_32+0x73/0x90 [ 511.286745][ T8868] __msan_chain_origin+0x57/0xa0 [ 511.292443][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 511.296915][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 511.301812][ T8515] [ 511.308122][ T8868] get_compat_msghdr+0x108/0x2b0 [ 511.313194][ T8515] Uninit was stored to memory at: [ 511.315515][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 511.320425][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 511.325429][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 511.329900][ T8515] __msan_chain_origin+0x57/0xa0 [ 511.335595][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 511.340253][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 511.345175][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 511.351224][ T8515] get_compat_msghdr+0x108/0x2b0 [ 511.356318][ T8868] __do_fast_syscall_32+0x102/0x160 [ 511.362441][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 511.367353][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 511.372533][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 511.377021][ T8868] do_SYSENTER_32+0x73/0x90 [ 511.381844][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 511.386493][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 511.391055][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 511.397080][ T8868] [ 511.403393][ T8515] __do_fast_syscall_32+0x102/0x160 [ 511.409505][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 511.411822][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 511.416989][ T8868] do_recvmmsg+0xbf/0x22f0 [ 511.423636][ T8515] do_SYSENTER_32+0x73/0x90 [ 511.428458][ T8868] do_recvmmsg+0xbf/0x22f0 [ 511.432851][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 511.448008][ T8515] [ 511.450328][ T8515] Uninit was stored to memory at: [ 511.455364][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 511.461088][ T8515] __msan_chain_origin+0x57/0xa0 [ 511.466031][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 511.471148][ T8515] get_compat_msghdr+0x108/0x2b0 [ 511.476093][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 511.480607][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 511.485291][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 511.491365][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 511.497547][ T8515] __do_fast_syscall_32+0x102/0x160 [ 511.502764][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 511.507623][ T8515] do_SYSENTER_32+0x73/0x90 [ 511.512142][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 511.518458][ T8515] [ 511.520779][ T8515] Uninit was stored to memory at: [ 511.525827][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 511.531552][ T8515] __msan_chain_origin+0x57/0xa0 [ 511.536490][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 511.541603][ T8515] get_compat_msghdr+0x108/0x2b0 [ 511.546541][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 511.551045][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 511.555769][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 511.561841][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 511.568001][ T8515] __do_fast_syscall_32+0x102/0x160 [ 511.573204][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 511.578059][ T8515] do_SYSENTER_32+0x73/0x90 [ 511.582568][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 511.588878][ T8515] [ 511.591199][ T8515] Uninit was stored to memory at: [ 511.596226][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 511.601946][ T8515] __msan_chain_origin+0x57/0xa0 [ 511.606886][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 511.612163][ T8515] get_compat_msghdr+0x108/0x2b0 [ 511.617129][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 511.621710][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 511.626424][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 511.632593][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 511.638789][ T8515] __do_fast_syscall_32+0x102/0x160 [ 511.644002][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 511.648857][ T8515] do_SYSENTER_32+0x73/0x90 [ 511.653367][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 511.659679][ T8515] [ 511.662001][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 511.668677][ T8515] do_recvmmsg+0xbf/0x22f0 [ 511.673094][ T8515] do_recvmmsg+0xbf/0x22f0 [ 511.828413][ T8515] not chained 1140000 origins [ 511.833139][ T8515] CPU: 0 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 511.841806][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 511.851857][ T8515] Call Trace: [ 511.855154][ T8515] dump_stack+0x21c/0x280 [ 511.859490][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 511.865209][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 511.870411][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 511.876220][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 511.881426][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 511.887232][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 511.893300][ T8515] ? __wake_up+0x1fc/0x250 [ 511.897715][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 511.902911][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 511.908713][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 511.914777][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 511.919972][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 511.925626][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 511.931711][ T8515] ? _copy_from_user+0x1fd/0x300 [ 511.936655][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 511.941856][ T8515] __msan_chain_origin+0x57/0xa0 [ 511.946902][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 511.952027][ T8515] get_compat_msghdr+0x108/0x2b0 [ 511.956977][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 511.961492][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 511.966697][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 511.972851][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 511.978051][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 511.983683][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 511.986174][ T8868] not chained 1150000 origins [ 511.988968][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 511.998354][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 512.003015][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 512.008198][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 512.013904][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 512.019958][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 512.026099][ T8515] __do_fast_syscall_32+0x102/0x160 [ 512.031283][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 512.036119][ T8515] do_SYSENTER_32+0x73/0x90 [ 512.040612][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 512.046919][ T8515] RIP: 0023:0xf7fa1549 [ 512.050974][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 512.070574][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 512.078973][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 512.086929][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 512.094967][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 512.102930][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 512.110899][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 512.118853][ T8515] Uninit was stored to memory at: [ 512.118867][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 512.118884][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 512.123886][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 512.132523][ T8868] Call Trace: [ 512.142563][ T8515] __msan_chain_origin+0x57/0xa0 [ 512.148269][ T8868] dump_stack+0x21c/0x280 [ 512.151540][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 512.156450][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 512.160762][ T8515] get_compat_msghdr+0x108/0x2b0 [ 512.165845][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 512.171538][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 512.176449][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 512.181618][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 512.186092][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 512.191871][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 512.196519][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 512.201690][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 512.207729][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 512.213511][ T8515] __do_fast_syscall_32+0x102/0x160 [ 512.219650][ T8868] ? __wake_up+0x1fc/0x250 [ 512.225688][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 512.230857][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 512.235334][ T8515] do_SYSENTER_32+0x73/0x90 [ 512.240157][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 512.245353][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 512.249835][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 512.255610][ T8515] [ 512.262038][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 512.268065][ T8515] Uninit was stored to memory at: [ 512.270382][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 512.275555][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 512.280559][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 512.286159][ T8515] __msan_chain_origin+0x57/0xa0 [ 512.291855][ T8868] ? _copy_from_user+0x1fd/0x300 [ 512.297897][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 512.302809][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 512.307721][ T8515] get_compat_msghdr+0x108/0x2b0 [ 512.312803][ T8868] __msan_chain_origin+0x57/0xa0 [ 512.318002][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 512.318086][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 512.323010][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 512.327930][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 512.332502][ T8868] get_compat_msghdr+0x108/0x2b0 [ 512.337156][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 512.342245][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 512.348290][ T8515] __do_fast_syscall_32+0x102/0x160 [ 512.353201][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 512.359326][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 512.363800][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 512.368973][ T8515] do_SYSENTER_32+0x73/0x90 [ 512.374142][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 512.378969][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 512.384830][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 512.389294][ T8515] [ 512.394477][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 512.400764][ T8515] Uninit was stored to memory at: [ 512.406378][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 512.408704][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 512.413970][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 512.418976][ T8515] __msan_chain_origin+0x57/0xa0 [ 512.423720][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 512.429414][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 512.434065][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 512.438974][ T8515] get_compat_msghdr+0x108/0x2b0 [ 512.444147][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 512.449227][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 512.454403][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 512.459311][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 512.465351][ T8868] __do_fast_syscall_32+0x102/0x160 [ 512.469836][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 512.475963][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 512.480612][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 512.485794][ T8868] do_SYSENTER_32+0x73/0x90 [ 512.491833][ T8515] __do_fast_syscall_32+0x102/0x160 [ 512.496659][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 512.502780][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 512.507249][ T8868] RIP: 0023:0xf7fcc549 [ 512.512431][ T8515] do_SYSENTER_32+0x73/0x90 [ 512.518731][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 512.523554][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 512.527587][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 [ 512.532054][ T8515] [ 512.551647][ T8868] ORIG_RAX: 0000000000000151 [ 512.557943][ T8515] Uninit was stored to memory at: [ 512.563985][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 512.566298][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 512.570944][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 512.575944][ T8515] __msan_chain_origin+0x57/0xa0 [ 512.583885][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 512.589579][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 512.597522][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 512.602425][ T8515] get_compat_msghdr+0x108/0x2b0 [ 512.602451][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 512.610396][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 512.615486][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 512.623422][ T8868] Uninit was stored to memory at: [ 512.628342][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 512.632816][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 512.640764][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 512.645413][ T8868] __msan_chain_origin+0x57/0xa0 [ 512.650409][ T8515] __do_fast_syscall_32+0x102/0x160 [ 512.656447][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 512.662146][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 512.668271][ T8868] get_compat_msghdr+0x108/0x2b0 [ 512.673184][ T8515] do_SYSENTER_32+0x73/0x90 [ 512.678352][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 512.683427][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 512.683439][ T8515] [ 512.688275][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 512.693182][ T8515] Uninit was stored to memory at: [ 512.697670][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 512.702143][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 512.708451][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 512.710752][ T8515] __msan_chain_origin+0x57/0xa0 [ 512.715577][ T8868] __do_fast_syscall_32+0x102/0x160 [ 512.720571][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 512.726611][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 512.732301][ T8515] get_compat_msghdr+0x108/0x2b0 [ 512.738430][ T8868] do_SYSENTER_32+0x73/0x90 [ 512.743334][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 512.748505][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 512.753584][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 512.758391][ T8868] [ 512.763331][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 512.767790][ T8868] Uninit was stored to memory at: [ 512.772280][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 512.778585][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 512.783242][ T8515] __do_fast_syscall_32+0x102/0x160 [ 512.785544][ T8868] __msan_chain_origin+0x57/0xa0 [ 512.791594][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 512.796591][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 512.802719][ T8515] do_SYSENTER_32+0x73/0x90 [ 512.808411][ T8868] get_compat_msghdr+0x108/0x2b0 [ 512.813586][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 512.818493][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 512.825560][ T8515] [ 512.830654][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 512.835228][ T8515] Uninit was stored to memory at: [ 512.840150][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 512.846445][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 512.850922][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 512.853223][ T8515] __msan_chain_origin+0x57/0xa0 [ 512.857884][ T8868] __do_fast_syscall_32+0x102/0x160 [ 512.862878][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 512.868917][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 512.874606][ T8515] get_compat_msghdr+0x108/0x2b0 [ 512.880732][ T8868] do_SYSENTER_32+0x73/0x90 [ 512.885653][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 512.890840][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 512.895921][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 512.900733][ T8868] [ 512.905659][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 512.910120][ T8868] Uninit was stored to memory at: [ 512.914605][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 512.920903][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 512.925566][ T8515] __do_fast_syscall_32+0x102/0x160 [ 512.927870][ T8868] __msan_chain_origin+0x57/0xa0 [ 512.933913][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 512.938927][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 512.945059][ T8515] do_SYSENTER_32+0x73/0x90 [ 512.950755][ T8868] get_compat_msghdr+0x108/0x2b0 [ 512.955932][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 512.960840][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 512.965662][ T8515] [ 512.970770][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 512.975236][ T8515] Uninit was stored to memory at: [ 512.980166][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 512.986485][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 512.990965][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 512.993270][ T8515] __msan_chain_origin+0x57/0xa0 [ 512.997934][ T8868] __do_fast_syscall_32+0x102/0x160 [ 513.002919][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 513.008961][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 513.014648][ T8515] get_compat_msghdr+0x108/0x2b0 [ 513.020776][ T8868] do_SYSENTER_32+0x73/0x90 [ 513.025684][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 513.030857][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 513.035948][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 513.040774][ T8868] [ 513.045714][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 513.050177][ T8868] Uninit was stored to memory at: [ 513.054663][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 513.060967][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 513.065619][ T8515] __do_fast_syscall_32+0x102/0x160 [ 513.067923][ T8868] __msan_chain_origin+0x57/0xa0 [ 513.073961][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 513.078958][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 513.085089][ T8515] do_SYSENTER_32+0x73/0x90 [ 513.090776][ T8868] get_compat_msghdr+0x108/0x2b0 [ 513.095950][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 513.100854][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 513.105664][ T8515] [ 513.110758][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 513.115223][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 513.120140][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 513.126439][ T8515] do_recvmmsg+0xbf/0x22f0 [ 513.130932][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 513.133233][ T8515] do_recvmmsg+0xbf/0x22f0 [ 513.137883][ T8868] __do_fast_syscall_32+0x102/0x160 [ 513.170806][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 513.175701][ T8868] do_SYSENTER_32+0x73/0x90 [ 513.180217][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 513.186536][ T8868] [ 513.188861][ T8868] Uninit was stored to memory at: [ 513.193891][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 513.199616][ T8868] __msan_chain_origin+0x57/0xa0 [ 513.204556][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 513.209668][ T8868] get_compat_msghdr+0x108/0x2b0 [ 513.214609][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 513.219143][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 513.223880][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 513.229958][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 513.236120][ T8868] __do_fast_syscall_32+0x102/0x160 [ 513.241322][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 513.246174][ T8868] do_SYSENTER_32+0x73/0x90 [ 513.250682][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 513.256995][ T8868] [ 513.259317][ T8868] Uninit was stored to memory at: [ 513.264343][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 513.270116][ T8868] __msan_chain_origin+0x57/0xa0 [ 513.275062][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 513.280174][ T8868] get_compat_msghdr+0x108/0x2b0 [ 513.285121][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 513.289628][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 513.294310][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 513.300379][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 513.306536][ T8868] __do_fast_syscall_32+0x102/0x160 [ 513.311746][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 513.316597][ T8868] do_SYSENTER_32+0x73/0x90 [ 513.321100][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 513.327410][ T8868] [ 513.329729][ T8868] Uninit was stored to memory at: [ 513.334759][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 513.340476][ T8868] __msan_chain_origin+0x57/0xa0 [ 513.345421][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 513.350532][ T8868] get_compat_msghdr+0x108/0x2b0 [ 513.355472][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 513.359974][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 513.364652][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 513.370722][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 513.376881][ T8868] __do_fast_syscall_32+0x102/0x160 [ 513.382087][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 513.386948][ T8868] do_SYSENTER_32+0x73/0x90 [ 513.391456][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 513.397766][ T8868] [ 513.400088][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 513.406766][ T8868] do_recvmmsg+0xbf/0x22f0 [ 513.411183][ T8868] do_recvmmsg+0xbf/0x22f0 [ 513.486740][ T8868] not chained 1160000 origins [ 513.491461][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 513.500128][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 513.510223][ T8868] Call Trace: [ 513.513529][ T8868] dump_stack+0x21c/0x280 [ 513.517866][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 513.523590][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 513.528790][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 513.534598][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 513.539795][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 513.545606][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 513.551678][ T8868] ? __wake_up+0x1fc/0x250 [ 513.556096][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 513.561299][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 513.567115][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 513.573184][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 513.578384][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 513.584030][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 513.590100][ T8868] ? _copy_from_user+0x1fd/0x300 [ 513.595039][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 513.600236][ T8868] __msan_chain_origin+0x57/0xa0 [ 513.605219][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 513.610340][ T8868] get_compat_msghdr+0x108/0x2b0 [ 513.615286][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 513.619798][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 513.625051][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 513.630968][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 513.636166][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 513.641799][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 513.647089][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 513.651858][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 513.656534][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 513.661734][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 513.666942][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 513.673021][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 513.679183][ T8868] __do_fast_syscall_32+0x102/0x160 [ 513.684390][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 513.689245][ T8868] do_SYSENTER_32+0x73/0x90 [ 513.694107][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 513.700429][ T8868] RIP: 0023:0xf7fcc549 [ 513.704526][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 513.724141][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 513.732569][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 513.740542][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 513.748525][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 513.756504][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 513.764486][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 513.772460][ T8868] Uninit was stored to memory at: [ 513.777496][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 513.783226][ T8868] __msan_chain_origin+0x57/0xa0 [ 513.788172][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 513.793284][ T8868] get_compat_msghdr+0x108/0x2b0 [ 513.798222][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 513.802725][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 513.807405][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 513.813477][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 513.819635][ T8868] __do_fast_syscall_32+0x102/0x160 [ 513.824839][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 513.829692][ T8868] do_SYSENTER_32+0x73/0x90 [ 513.834202][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 513.840543][ T8868] [ 513.842862][ T8868] Uninit was stored to memory at: [ 513.847888][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 513.853653][ T8868] __msan_chain_origin+0x57/0xa0 [ 513.858602][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 513.863479][ T8551] not chained 1170000 origins [ 513.863731][ T8868] get_compat_msghdr+0x108/0x2b0 [ 513.868402][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 513.873325][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 513.881967][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 513.886457][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 513.896482][ T8551] Call Trace: [ 513.901146][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 513.904404][ T8551] dump_stack+0x21c/0x280 [ 513.910449][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 513.914748][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 513.920874][ T8868] __do_fast_syscall_32+0x102/0x160 [ 513.926590][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 513.931768][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 513.936949][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 513.941780][ T8868] do_SYSENTER_32+0x73/0x90 [ 513.947576][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 513.952059][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 513.957226][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 513.963512][ T8868] [ 513.969314][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 513.971610][ T8868] Uninit was stored to memory at: [ 513.977667][ T8551] ? __wake_up+0x1fc/0x250 [ 513.982665][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 513.987060][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 513.992754][ T8868] __msan_chain_origin+0x57/0xa0 [ 513.997927][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 514.002836][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 514.008614][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 514.013699][ T8868] get_compat_msghdr+0x108/0x2b0 [ 514.019735][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 514.024644][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 514.029811][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 514.034720][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 514.040329][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 514.044977][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 514.051014][ T8551] ? _copy_from_user+0x1fd/0x300 [ 514.057053][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 514.061949][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 514.061973][ T8551] __msan_chain_origin+0x57/0xa0 [ 514.070188][ T8868] __do_fast_syscall_32+0x102/0x160 [ 514.075354][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 514.080264][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 514.085433][ T8551] get_compat_msghdr+0x108/0x2b0 [ 514.090518][ T8868] do_SYSENTER_32+0x73/0x90 [ 514.095342][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 514.100255][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 514.104726][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 514.109191][ T8868] [ 514.115499][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 514.120656][ T8868] Uninit was stored to memory at: [ 514.122969][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 514.128832][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 514.133827][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 514.138994][ T8868] __msan_chain_origin+0x57/0xa0 [ 514.144684][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 514.150299][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 514.155249][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 514.160505][ T8868] get_compat_msghdr+0x108/0x2b0 [ 514.165588][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 514.170323][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 514.175235][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 514.179885][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 514.184360][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 514.189533][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 514.194183][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 514.199352][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 514.205390][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 514.211429][ T8868] __do_fast_syscall_32+0x102/0x160 [ 514.217554][ T8551] __do_fast_syscall_32+0x102/0x160 [ 514.223678][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 514.228859][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 514.234029][ T8868] do_SYSENTER_32+0x73/0x90 [ 514.238853][ T8551] do_SYSENTER_32+0x73/0x90 [ 514.243697][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 514.248172][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 514.252633][ T8868] [ 514.258936][ T8551] RIP: 0023:0xf7fa1549 [ 514.265229][ T8868] Uninit was stored to memory at: [ 514.267546][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 514.271586][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 514.276578][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 [ 514.296183][ T8868] __msan_chain_origin+0x57/0xa0 [ 514.301872][ T8551] ORIG_RAX: 0000000000000151 [ 514.307925][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 514.312826][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 514.317484][ T8868] get_compat_msghdr+0x108/0x2b0 [ 514.322561][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 514.330515][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 514.335434][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 514.343489][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 514.347959][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 514.355930][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 514.360570][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 514.368522][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 514.374547][ T8551] Uninit was stored to memory at: [ 514.382508][ T8868] __do_fast_syscall_32+0x102/0x160 [ 514.388629][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 514.393626][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 514.398879][ T8551] __msan_chain_origin+0x57/0xa0 [ 514.404574][ T8868] do_SYSENTER_32+0x73/0x90 [ 514.409394][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 514.414305][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 514.418774][ T8551] get_compat_msghdr+0x108/0x2b0 [ 514.423842][ T8868] [ 514.430154][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 514.435049][ T8868] Uninit was stored to memory at: [ 514.437364][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 514.441836][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 514.446833][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 514.451476][ T8868] __msan_chain_origin+0x57/0xa0 [ 514.457178][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 514.463214][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 514.468124][ T8551] __do_fast_syscall_32+0x102/0x160 [ 514.474245][ T8868] get_compat_msghdr+0x108/0x2b0 [ 514.479345][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 514.484515][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 514.489430][ T8551] do_SYSENTER_32+0x73/0x90 [ 514.494247][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 514.498728][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 514.503201][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 514.507835][ T8551] [ 514.514157][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 514.520185][ T8551] Uninit was stored to memory at: [ 514.522504][ T8868] __do_fast_syscall_32+0x102/0x160 [ 514.528624][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 514.533623][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 514.538791][ T8551] __msan_chain_origin+0x57/0xa0 [ 514.544484][ T8868] do_SYSENTER_32+0x73/0x90 [ 514.549306][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 514.554216][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 514.558687][ T8551] get_compat_msghdr+0x108/0x2b0 [ 514.563778][ T8868] [ 514.570087][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 514.574983][ T8868] Uninit was stored to memory at: [ 514.577297][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 514.581777][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 514.586774][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 514.591421][ T8868] __msan_chain_origin+0x57/0xa0 [ 514.597116][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 514.603151][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 514.608064][ T8551] __do_fast_syscall_32+0x102/0x160 [ 514.614199][ T8868] get_compat_msghdr+0x108/0x2b0 [ 514.619300][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 514.624467][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 514.629379][ T8551] do_SYSENTER_32+0x73/0x90 [ 514.634199][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 514.638687][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 514.643160][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 514.647793][ T8551] [ 514.654104][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 514.660128][ T8551] Uninit was stored to memory at: [ 514.662532][ T8868] __do_fast_syscall_32+0x102/0x160 [ 514.668653][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 514.673650][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 514.678816][ T8551] __msan_chain_origin+0x57/0xa0 [ 514.684512][ T8868] do_SYSENTER_32+0x73/0x90 [ 514.689335][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 514.694246][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 514.698718][ T8551] get_compat_msghdr+0x108/0x2b0 [ 514.703787][ T8868] [ 514.710098][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 514.714998][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 514.717324][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 514.721799][ T8868] do_recvmmsg+0xbf/0x22f0 [ 514.728450][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 514.733109][ T8868] do_recvmmsg+0xbf/0x22f0 [ 514.737499][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 514.754160][ T8551] __do_fast_syscall_32+0x102/0x160 [ 514.759514][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 514.764386][ T8551] do_SYSENTER_32+0x73/0x90 [ 514.768980][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 514.775334][ T8551] [ 514.777664][ T8551] Uninit was stored to memory at: [ 514.782695][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 514.788419][ T8551] __msan_chain_origin+0x57/0xa0 [ 514.793362][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 514.798473][ T8551] get_compat_msghdr+0x108/0x2b0 [ 514.803416][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 514.807922][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 514.812604][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 514.818673][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 514.824829][ T8551] __do_fast_syscall_32+0x102/0x160 [ 514.830030][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 514.834884][ T8551] do_SYSENTER_32+0x73/0x90 [ 514.839389][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 514.845698][ T8551] [ 514.848018][ T8551] Uninit was stored to memory at: [ 514.853041][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 514.858755][ T8551] __msan_chain_origin+0x57/0xa0 [ 514.863693][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 514.868800][ T8551] get_compat_msghdr+0x108/0x2b0 [ 514.873736][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 514.878239][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 514.882917][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 514.888982][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 514.895137][ T8551] __do_fast_syscall_32+0x102/0x160 [ 514.900334][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 514.905199][ T8551] do_SYSENTER_32+0x73/0x90 [ 514.909722][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 514.916041][ T8551] [ 514.918369][ T8551] Uninit was stored to memory at: [ 514.923401][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 514.929125][ T8551] __msan_chain_origin+0x57/0xa0 [ 514.934075][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 514.939194][ T8551] get_compat_msghdr+0x108/0x2b0 [ 514.944134][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 514.944331][ T8868] not chained 1180000 origins [ 514.948642][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 514.953301][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 514.957957][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 514.966680][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 514.972755][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 514.983139][ T8868] Call Trace: [ 514.989284][ T8551] __do_fast_syscall_32+0x102/0x160 [ 514.992540][ T8868] dump_stack+0x21c/0x280 [ 514.997713][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 515.002014][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 515.006862][ T8551] do_SYSENTER_32+0x73/0x90 [ 515.012628][ T8868] ? do_user_addr_fault+0x11d4/0x16c0 [ 515.017058][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 515.022401][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 515.028698][ T8551] [ 515.033877][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 515.036171][ T8551] Uninit was stored to memory at: [ 515.041959][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 515.046955][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 515.052996][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 515.058685][ T8551] __msan_chain_origin+0x57/0xa0 [ 515.063853][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 515.068764][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 515.074372][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 515.079449][ T8551] get_compat_msghdr+0x108/0x2b0 [ 515.085490][ T8868] ? _copy_from_user+0x1fd/0x300 [ 515.090399][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 515.095306][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 515.099780][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 515.104947][ T8868] __msan_chain_origin+0x57/0xa0 [ 515.109598][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 515.114511][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 515.120563][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 515.125645][ T8868] get_compat_msghdr+0x108/0x2b0 [ 515.131773][ T8551] __do_fast_syscall_32+0x102/0x160 [ 515.136680][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 515.141851][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 515.146323][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 515.151147][ T8551] do_SYSENTER_32+0x73/0x90 [ 515.156315][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 515.160792][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 515.166652][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 515.172937][ T8551] [ 515.178116][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 515.180411][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 515.186024][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 515.192681][ T8551] do_recvmmsg+0xbf/0x22f0 [ 515.197940][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 515.202340][ T8551] do_recvmmsg+0xbf/0x22f0 [ 515.207080][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 515.216243][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 515.221457][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 515.226670][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 515.232748][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 515.238916][ T8868] __do_fast_syscall_32+0x102/0x160 [ 515.244133][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 515.248995][ T8868] do_SYSENTER_32+0x73/0x90 [ 515.253528][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 515.259854][ T8868] RIP: 0023:0xf7fcc549 [ 515.263932][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 515.283565][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 515.291989][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 515.299968][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 515.308036][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 515.316009][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 515.323982][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 515.331953][ T8868] Uninit was stored to memory at: [ 515.336981][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 515.342700][ T8868] __msan_chain_origin+0x57/0xa0 [ 515.347640][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 515.352753][ T8868] get_compat_msghdr+0x108/0x2b0 [ 515.357712][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 515.362220][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 515.366900][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 515.372973][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 515.379133][ T8868] __do_fast_syscall_32+0x102/0x160 [ 515.384340][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 515.389203][ T8868] do_SYSENTER_32+0x73/0x90 [ 515.393714][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 515.400027][ T8868] [ 515.402350][ T8868] Uninit was stored to memory at: [ 515.407375][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 515.413094][ T8868] __msan_chain_origin+0x57/0xa0 [ 515.418031][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 515.423144][ T8868] get_compat_msghdr+0x108/0x2b0 [ 515.428085][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 515.432691][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 515.437369][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 515.443437][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 515.449598][ T8868] __do_fast_syscall_32+0x102/0x160 [ 515.454806][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 515.459674][ T8868] do_SYSENTER_32+0x73/0x90 [ 515.464184][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 515.470496][ T8868] [ 515.472816][ T8868] Uninit was stored to memory at: [ 515.477847][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 515.483564][ T8868] __msan_chain_origin+0x57/0xa0 [ 515.488506][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 515.493617][ T8868] get_compat_msghdr+0x108/0x2b0 [ 515.498557][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 515.503063][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 515.507742][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 515.513811][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 515.519970][ T8868] __do_fast_syscall_32+0x102/0x160 [ 515.525176][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 515.530040][ T8868] do_SYSENTER_32+0x73/0x90 [ 515.534549][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 515.540860][ T8868] [ 515.543182][ T8868] Uninit was stored to memory at: [ 515.548206][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 515.553956][ T8868] __msan_chain_origin+0x57/0xa0 [ 515.558893][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 515.564005][ T8868] get_compat_msghdr+0x108/0x2b0 [ 515.568945][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 515.573500][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 515.578268][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 515.584386][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 515.590544][ T8868] __do_fast_syscall_32+0x102/0x160 [ 515.595746][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 515.600601][ T8868] do_SYSENTER_32+0x73/0x90 [ 515.605109][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 515.611421][ T8868] [ 515.613741][ T8868] Uninit was stored to memory at: [ 515.618765][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 515.624489][ T8868] __msan_chain_origin+0x57/0xa0 [ 515.629429][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 515.634540][ T8868] get_compat_msghdr+0x108/0x2b0 [ 515.639486][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 515.644000][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 515.648679][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 515.654748][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 515.660903][ T8868] __do_fast_syscall_32+0x102/0x160 [ 515.666107][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 515.670959][ T8868] do_SYSENTER_32+0x73/0x90 [ 515.675467][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 515.681787][ T8868] [ 515.684164][ T8868] Uninit was stored to memory at: [ 515.689197][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 515.694916][ T8868] __msan_chain_origin+0x57/0xa0 [ 515.699852][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 515.704972][ T8868] get_compat_msghdr+0x108/0x2b0 [ 515.709916][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 515.714420][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 515.719099][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 515.725175][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 515.731338][ T8868] __do_fast_syscall_32+0x102/0x160 [ 515.736538][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 515.741397][ T8868] do_SYSENTER_32+0x73/0x90 [ 515.745910][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 515.752233][ T8868] [ 515.754556][ T8868] Uninit was stored to memory at: [ 515.759585][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 515.765311][ T8868] __msan_chain_origin+0x57/0xa0 [ 515.770251][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 515.775367][ T8868] get_compat_msghdr+0x108/0x2b0 [ 515.780321][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 515.784829][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 515.789511][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 515.795582][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 515.801742][ T8868] __do_fast_syscall_32+0x102/0x160 [ 515.806946][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 515.811799][ T8868] do_SYSENTER_32+0x73/0x90 [ 515.816307][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 515.822618][ T8868] [ 515.825028][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 515.831707][ T8868] do_recvmmsg+0xbf/0x22f0 [ 515.836128][ T8868] do_recvmmsg+0xbf/0x22f0 [ 516.076349][ T8515] not chained 1190000 origins [ 516.081065][ T8515] CPU: 1 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 516.089735][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 516.099792][ T8515] Call Trace: [ 516.103095][ T8515] dump_stack+0x21c/0x280 [ 516.107432][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 516.113157][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 516.118359][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 516.124170][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 516.129374][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 516.135273][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 516.141350][ T8515] ? __wake_up+0x1fc/0x250 [ 516.145831][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 516.151033][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 516.156846][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 516.162923][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 516.169606][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 516.175308][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 516.181392][ T8515] ? _copy_from_user+0x1fd/0x300 [ 516.186338][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 516.191546][ T8515] __msan_chain_origin+0x57/0xa0 [ 516.196509][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 516.201631][ T8515] get_compat_msghdr+0x108/0x2b0 [ 516.206577][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 516.211092][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 516.216298][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 516.222463][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 516.227895][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 516.233535][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 516.238865][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 516.243644][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 516.248339][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 516.253566][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 516.258762][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 516.264836][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 516.270992][ T8515] __do_fast_syscall_32+0x102/0x160 [ 516.276367][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 516.281211][ T8515] do_SYSENTER_32+0x73/0x90 [ 516.285707][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 516.292020][ T8515] RIP: 0023:0xf7fa1549 [ 516.296081][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 516.315695][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 516.324360][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 516.332319][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 516.340281][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 516.348266][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 516.356228][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 516.364194][ T8515] Uninit was stored to memory at: [ 516.369224][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 516.374946][ T8515] __msan_chain_origin+0x57/0xa0 [ 516.379885][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 516.385002][ T8515] get_compat_msghdr+0x108/0x2b0 [ 516.389927][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 516.394418][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 516.399085][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 516.405142][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 516.411287][ T8515] __do_fast_syscall_32+0x102/0x160 [ 516.416475][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 516.421317][ T8515] do_SYSENTER_32+0x73/0x90 [ 516.425810][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 516.432111][ T8515] [ 516.434421][ T8515] Uninit was stored to memory at: [ 516.439435][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 516.445142][ T8515] __msan_chain_origin+0x57/0xa0 [ 516.450066][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 516.455165][ T8515] get_compat_msghdr+0x108/0x2b0 [ 516.460092][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 516.464583][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 516.469250][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 516.475306][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 516.481450][ T8515] __do_fast_syscall_32+0x102/0x160 [ 516.486640][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 516.491480][ T8515] do_SYSENTER_32+0x73/0x90 [ 516.495989][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 516.502294][ T8515] [ 516.504619][ T8515] Uninit was stored to memory at: [ 516.509633][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 516.515339][ T8515] __msan_chain_origin+0x57/0xa0 [ 516.520267][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 516.525369][ T8515] get_compat_msghdr+0x108/0x2b0 [ 516.530296][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 516.534788][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 516.539456][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 516.545513][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 516.551659][ T8515] __do_fast_syscall_32+0x102/0x160 [ 516.556846][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 516.561685][ T8515] do_SYSENTER_32+0x73/0x90 [ 516.566180][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 516.572483][ T8515] [ 516.574792][ T8515] Uninit was stored to memory at: [ 516.579801][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 516.585506][ T8515] __msan_chain_origin+0x57/0xa0 [ 516.590431][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 516.595535][ T8515] get_compat_msghdr+0x108/0x2b0 [ 516.600460][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 516.604963][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 516.609632][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 516.615685][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 516.621828][ T8515] __do_fast_syscall_32+0x102/0x160 [ 516.627013][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 516.631851][ T8515] do_SYSENTER_32+0x73/0x90 [ 516.636344][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 516.642644][ T8515] [ 516.644956][ T8515] Uninit was stored to memory at: [ 516.649968][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 516.655678][ T8515] __msan_chain_origin+0x57/0xa0 [ 516.660601][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 516.665699][ T8515] get_compat_msghdr+0x108/0x2b0 [ 516.670624][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 516.675117][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 516.679782][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 516.685836][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 516.691979][ T8515] __do_fast_syscall_32+0x102/0x160 [ 516.697171][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 516.702012][ T8515] do_SYSENTER_32+0x73/0x90 [ 516.706506][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 516.712823][ T8515] [ 516.715133][ T8515] Uninit was stored to memory at: [ 516.720144][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 516.725847][ T8515] __msan_chain_origin+0x57/0xa0 [ 516.730771][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 516.735885][ T8515] get_compat_msghdr+0x108/0x2b0 [ 516.740822][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 516.745323][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 516.750004][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 516.756069][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 516.762219][ T8515] __do_fast_syscall_32+0x102/0x160 [ 516.767408][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 516.772248][ T8515] do_SYSENTER_32+0x73/0x90 [ 516.776743][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 516.783047][ T8515] [ 516.785356][ T8515] Uninit was stored to memory at: [ 516.790372][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 516.796078][ T8515] __msan_chain_origin+0x57/0xa0 [ 516.801019][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 516.806138][ T8515] get_compat_msghdr+0x108/0x2b0 [ 516.811063][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 516.815553][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 516.820217][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 516.826273][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 516.832417][ T8515] __do_fast_syscall_32+0x102/0x160 [ 516.837604][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 516.842450][ T8515] do_SYSENTER_32+0x73/0x90 [ 516.847470][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 516.853771][ T8515] [ 516.856084][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 516.862744][ T8515] do_recvmmsg+0xbf/0x22f0 [ 516.867145][ T8515] do_recvmmsg+0xbf/0x22f0 [ 517.126038][ T8868] not chained 1200000 origins [ 517.130757][ T8868] CPU: 0 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 517.139427][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 517.149482][ T8868] Call Trace: [ 517.152791][ T8868] dump_stack+0x21c/0x280 [ 517.157128][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 517.162855][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 517.168060][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 517.173871][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 517.179079][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 517.184897][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 517.190984][ T8868] ? __wake_up+0x1fc/0x250 [ 517.195405][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 517.200609][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 517.206418][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 517.212506][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 517.217705][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 517.223345][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 517.229415][ T8868] ? _copy_from_user+0x1fd/0x300 [ 517.234355][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 517.239554][ T8868] __msan_chain_origin+0x57/0xa0 [ 517.244497][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 517.249638][ T8868] get_compat_msghdr+0x108/0x2b0 [ 517.254585][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 517.259098][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 517.264360][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 517.270260][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 517.275476][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 517.281112][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 517.286407][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 517.291204][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 517.295885][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 517.301088][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 517.306296][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 517.312375][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 517.318538][ T8868] __do_fast_syscall_32+0x102/0x160 [ 517.323746][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 517.328604][ T8868] do_SYSENTER_32+0x73/0x90 [ 517.333142][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 517.339478][ T8868] RIP: 0023:0xf7fcc549 [ 517.343556][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 517.363186][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 517.371617][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 517.379597][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 517.387578][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 517.395992][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 517.403974][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 517.412007][ T8868] Uninit was stored to memory at: [ 517.417040][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 517.422763][ T8868] __msan_chain_origin+0x57/0xa0 [ 517.427983][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 517.433103][ T8868] get_compat_msghdr+0x108/0x2b0 [ 517.438056][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 517.442564][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 517.447245][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 517.453323][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 517.459492][ T8868] __do_fast_syscall_32+0x102/0x160 [ 517.464733][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 517.469704][ T8868] do_SYSENTER_32+0x73/0x90 [ 517.474302][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 517.480728][ T8868] [ 517.483150][ T8868] Uninit was stored to memory at: [ 517.488190][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 517.493917][ T8868] __msan_chain_origin+0x57/0xa0 [ 517.498864][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 517.503987][ T8868] get_compat_msghdr+0x108/0x2b0 [ 517.508931][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 517.513445][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 517.518142][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 517.524217][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 517.530427][ T8868] __do_fast_syscall_32+0x102/0x160 [ 517.535634][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 517.540580][ T8868] do_SYSENTER_32+0x73/0x90 [ 517.545097][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 517.551419][ T8868] [ 517.553776][ T8868] Uninit was stored to memory at: [ 517.558806][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 517.564529][ T8868] __msan_chain_origin+0x57/0xa0 [ 517.569475][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 517.574594][ T8868] get_compat_msghdr+0x108/0x2b0 [ 517.579538][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 517.584049][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 517.588740][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 517.594819][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 517.601241][ T8868] __do_fast_syscall_32+0x102/0x160 [ 517.606455][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 517.611311][ T8868] do_SYSENTER_32+0x73/0x90 [ 517.615824][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 517.622138][ T8868] [ 517.624463][ T8868] Uninit was stored to memory at: [ 517.629497][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 517.635231][ T8868] __msan_chain_origin+0x57/0xa0 [ 517.640172][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 517.645465][ T8868] get_compat_msghdr+0x108/0x2b0 [ 517.650442][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 517.655047][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 517.659733][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 517.665807][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 517.672061][ T8868] __do_fast_syscall_32+0x102/0x160 [ 517.677267][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 517.682126][ T8868] do_SYSENTER_32+0x73/0x90 [ 517.686634][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 517.693012][ T8868] [ 517.695335][ T8868] Uninit was stored to memory at: [ 517.700362][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 517.706185][ T8868] __msan_chain_origin+0x57/0xa0 [ 517.711130][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 517.716243][ T8868] get_compat_msghdr+0x108/0x2b0 [ 517.721187][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 517.725695][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 517.730552][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 517.736627][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 517.742788][ T8868] __do_fast_syscall_32+0x102/0x160 [ 517.748020][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 517.752921][ T8868] do_SYSENTER_32+0x73/0x90 [ 517.757622][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 517.764810][ T8868] [ 517.767138][ T8868] Uninit was stored to memory at: [ 517.772278][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 517.777999][ T8868] __msan_chain_origin+0x57/0xa0 [ 517.782941][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 517.788222][ T8868] get_compat_msghdr+0x108/0x2b0 [ 517.793167][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 517.797674][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 517.802364][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 517.809746][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 517.815916][ T8868] __do_fast_syscall_32+0x102/0x160 [ 517.821297][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 517.826162][ T8868] do_SYSENTER_32+0x73/0x90 [ 517.830679][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 517.837053][ T8868] [ 517.837445][ T8551] not chained 1210000 origins [ 517.840281][ T8868] Uninit was stored to memory at: [ 517.849051][ T8551] CPU: 1 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 517.854049][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 517.862689][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 517.868388][ T8868] __msan_chain_origin+0x57/0xa0 [ 517.878409][ T8551] Call Trace: [ 517.883330][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 517.886596][ T8551] dump_stack+0x21c/0x280 [ 517.891672][ T8868] get_compat_msghdr+0x108/0x2b0 [ 517.895980][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 517.900888][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 517.906579][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 517.911072][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 517.916256][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 517.920911][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 517.926705][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 517.932753][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 517.937920][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 517.944055][ T8868] __do_fast_syscall_32+0x102/0x160 [ 517.949827][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 517.954998][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 517.961047][ T8551] ? __wake_up+0x1fc/0x250 [ 517.965960][ T8868] do_SYSENTER_32+0x73/0x90 [ 517.970349][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 517.974831][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 517.980001][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 517.986373][ T8868] [ 517.992163][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 517.994460][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 518.000520][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 518.007200][ T8868] do_recvmmsg+0xbf/0x22f0 [ 518.012383][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 518.016778][ T8868] do_recvmmsg+0xbf/0x22f0 [ 518.022409][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 518.032840][ T8551] ? _copy_from_user+0x1fd/0x300 [ 518.037785][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 518.042993][ T8551] __msan_chain_origin+0x57/0xa0 [ 518.047940][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 518.053067][ T8551] get_compat_msghdr+0x108/0x2b0 [ 518.054842][ T8474] Bluetooth: hci1: command 0x0406 tx timeout [ 518.058004][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 518.058057][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 518.076061][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 518.081959][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 518.087171][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 518.092808][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 518.098091][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 518.102867][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 518.107545][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 518.112743][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 518.117946][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 518.124019][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 518.130178][ T8551] __do_fast_syscall_32+0x102/0x160 [ 518.135378][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 518.140237][ T8551] do_SYSENTER_32+0x73/0x90 [ 518.144747][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 518.151071][ T8551] RIP: 0023:0xf7fa1549 [ 518.155143][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 518.174841][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 518.183261][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 518.191240][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 518.199210][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 518.207285][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 518.215274][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 518.223255][ T8551] Uninit was stored to memory at: [ 518.228287][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 518.234026][ T8551] __msan_chain_origin+0x57/0xa0 [ 518.238964][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 518.244087][ T8551] get_compat_msghdr+0x108/0x2b0 [ 518.246540][ T8515] not chained 1220000 origins [ 518.249030][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 518.253690][ T8515] CPU: 0 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 518.258169][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 518.266806][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 518.271477][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 518.281526][ T8515] Call Trace: [ 518.287592][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 518.290876][ T8515] dump_stack+0x21c/0x280 [ 518.297002][ T8551] __do_fast_syscall_32+0x102/0x160 [ 518.301308][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 518.306490][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 518.312179][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 518.317004][ T8551] do_SYSENTER_32+0x73/0x90 [ 518.322172][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 518.326651][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 518.332424][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 518.338712][ T8551] [ 518.343904][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 518.346198][ T8551] Uninit was stored to memory at: [ 518.351985][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 518.356979][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 518.363023][ T8515] ? __wake_up+0x1fc/0x250 [ 518.369923][ T8551] __msan_chain_origin+0x57/0xa0 [ 518.374314][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 518.379238][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 518.384418][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 518.389503][ T8551] get_compat_msghdr+0x108/0x2b0 [ 518.395280][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 518.400205][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 518.406241][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 518.410719][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 518.416044][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 518.420705][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 518.426320][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 518.432358][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 518.438396][ T8515] ? _copy_from_user+0x1fd/0x300 [ 518.444524][ T8551] __do_fast_syscall_32+0x102/0x160 [ 518.449438][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 518.454632][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 518.459799][ T8515] __msan_chain_origin+0x57/0xa0 [ 518.464665][ T8551] do_SYSENTER_32+0x73/0x90 [ 518.469586][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 518.474065][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 518.479146][ T8515] get_compat_msghdr+0x108/0x2b0 [ 518.485434][ T8551] [ 518.490376][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 518.492668][ T8551] Uninit was stored to memory at: [ 518.497154][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 518.502151][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 518.507321][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 518.513008][ T8551] __msan_chain_origin+0x57/0xa0 [ 518.519135][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 518.524046][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 518.529232][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 518.534316][ T8551] get_compat_msghdr+0x108/0x2b0 [ 518.540180][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 518.545089][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 518.550347][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 518.554823][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 518.559557][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 518.564204][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 518.568850][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 518.574890][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 518.580056][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 518.586186][ T8551] __do_fast_syscall_32+0x102/0x160 [ 518.591357][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 518.596525][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 518.602564][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 518.607406][ T8551] do_SYSENTER_32+0x73/0x90 [ 518.613533][ T8515] __do_fast_syscall_32+0x102/0x160 [ 518.618008][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 518.623178][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 518.629463][ T8551] [ 518.634298][ T8515] do_SYSENTER_32+0x73/0x90 [ 518.636591][ T8551] Uninit was stored to memory at: [ 518.641080][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 518.646073][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 518.652457][ T8515] RIP: 0023:0xf7fa1549 [ 518.658147][ T8551] __msan_chain_origin+0x57/0xa0 [ 518.662204][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 518.667115][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 518.686689][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 [ 518.691767][ T8551] get_compat_msghdr+0x108/0x2b0 [ 518.691784][ T8515] ORIG_RAX: 0000000000000151 [ 518.698005][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 518.703010][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 518.707664][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 518.712135][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 518.720089][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 518.724733][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 518.732686][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 518.738717][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 518.746671][ T8551] __do_fast_syscall_32+0x102/0x160 [ 518.752801][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 518.760770][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 518.765925][ T8515] Uninit was stored to memory at: [ 518.773894][ T8551] do_SYSENTER_32+0x73/0x90 [ 518.778721][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 518.783721][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 518.788191][ T8515] __msan_chain_origin+0x57/0xa0 [ 518.793872][ T8551] [ 518.800183][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 518.805078][ T8551] Uninit was stored to memory at: [ 518.807394][ T8515] get_compat_msghdr+0x108/0x2b0 [ 518.812480][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 518.817473][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 518.822382][ T8551] __msan_chain_origin+0x57/0xa0 [ 518.828074][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 518.832560][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 518.837473][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 518.842124][ T8551] get_compat_msghdr+0x108/0x2b0 [ 518.847211][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 518.853258][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 518.858169][ T8515] __do_fast_syscall_32+0x102/0x160 [ 518.864302][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 518.868780][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 518.873948][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 518.878597][ T8515] do_SYSENTER_32+0x73/0x90 [ 518.883480][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 518.889514][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 518.893991][ T8551] __do_fast_syscall_32+0x102/0x160 [ 518.900100][ T8515] [ 518.906413][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 518.911584][ T8515] Uninit was stored to memory at: [ 518.913913][ T8551] do_SYSENTER_32+0x73/0x90 [ 518.918750][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 518.923762][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 518.928237][ T8515] __msan_chain_origin+0x57/0xa0 [ 518.933918][ T8551] [ 518.940236][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 518.945139][ T8551] Uninit was stored to memory at: [ 518.947456][ T8515] get_compat_msghdr+0x108/0x2b0 [ 518.952541][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 518.957541][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 518.962451][ T8551] __msan_chain_origin+0x57/0xa0 [ 518.968247][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 518.972720][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 518.977631][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 518.982279][ T8551] get_compat_msghdr+0x108/0x2b0 [ 518.987366][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 518.993402][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 518.998314][ T8515] __do_fast_syscall_32+0x102/0x160 [ 519.004436][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 519.008920][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 519.014088][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 519.018736][ T8515] do_SYSENTER_32+0x73/0x90 [ 519.023558][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 519.029598][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 519.034084][ T8551] __do_fast_syscall_32+0x102/0x160 [ 519.040213][ T8515] [ 519.046523][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 519.051694][ T8515] Uninit was stored to memory at: [ 519.054010][ T8551] do_SYSENTER_32+0x73/0x90 [ 519.058829][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 519.063828][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 519.068298][ T8515] __msan_chain_origin+0x57/0xa0 [ 519.073982][ T8551] [ 519.080291][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 519.085190][ T8551] Uninit was stored to memory at: [ 519.087505][ T8515] get_compat_msghdr+0x108/0x2b0 [ 519.092585][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 519.097583][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 519.102490][ T8551] __msan_chain_origin+0x57/0xa0 [ 519.108181][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 519.112674][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 519.117606][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 519.122252][ T8551] get_compat_msghdr+0x108/0x2b0 [ 519.127337][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 519.133374][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 519.138286][ T8515] __do_fast_syscall_32+0x102/0x160 [ 519.144408][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 519.148896][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 519.154065][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 519.158714][ T8515] do_SYSENTER_32+0x73/0x90 [ 519.163536][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 519.169577][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 519.174051][ T8551] __do_fast_syscall_32+0x102/0x160 [ 519.180159][ T8515] [ 519.186470][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 519.191625][ T8515] Uninit was stored to memory at: [ 519.193941][ T8551] do_SYSENTER_32+0x73/0x90 [ 519.198760][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 519.203758][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 519.208228][ T8515] __msan_chain_origin+0x57/0xa0 [ 519.213907][ T8551] [ 519.220218][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 519.225120][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 519.227430][ T8515] get_compat_msghdr+0x108/0x2b0 [ 519.232512][ T8551] do_recvmmsg+0xbf/0x22f0 [ 519.239158][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 519.244066][ T8551] do_recvmmsg+0xbf/0x22f0 [ 519.248455][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 519.262056][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 519.268229][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 519.274431][ T8515] __do_fast_syscall_32+0x102/0x160 [ 519.279632][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 519.284489][ T8515] do_SYSENTER_32+0x73/0x90 [ 519.289006][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 519.295321][ T8515] [ 519.297746][ T8515] Uninit was stored to memory at: [ 519.302896][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 519.308649][ T8515] __msan_chain_origin+0x57/0xa0 [ 519.313595][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 519.318711][ T8515] get_compat_msghdr+0x108/0x2b0 [ 519.323657][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 519.328161][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 519.332844][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 519.338911][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 519.345066][ T8515] __do_fast_syscall_32+0x102/0x160 [ 519.350272][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 519.355190][ T8515] do_SYSENTER_32+0x73/0x90 [ 519.359700][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 519.368963][ T8515] [ 519.371297][ T8515] Uninit was stored to memory at: [ 519.376324][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 519.382041][ T8515] __msan_chain_origin+0x57/0xa0 [ 519.386985][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 519.392100][ T8515] get_compat_msghdr+0x108/0x2b0 [ 519.397124][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 519.401628][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 519.406339][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 519.412409][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 519.418569][ T8515] __do_fast_syscall_32+0x102/0x160 [ 519.423769][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 519.428622][ T8515] do_SYSENTER_32+0x73/0x90 [ 519.433129][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 519.439440][ T8515] [ 519.441760][ T8515] Uninit was stored to memory at: [ 519.446787][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 519.452504][ T8515] __msan_chain_origin+0x57/0xa0 [ 519.457442][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 519.462554][ T8515] get_compat_msghdr+0x108/0x2b0 [ 519.467494][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 519.472000][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 519.476677][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 519.482744][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 519.488901][ T8515] __do_fast_syscall_32+0x102/0x160 [ 519.494100][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 519.498952][ T8515] do_SYSENTER_32+0x73/0x90 [ 519.503479][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 519.509789][ T8515] [ 519.512110][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 519.518788][ T8515] do_recvmmsg+0xbf/0x22f0 [ 519.525118][ T8515] do_recvmmsg+0xbf/0x22f0 [ 519.704963][ T8868] not chained 1230000 origins [ 519.709674][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 519.718335][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 519.728388][ T8868] Call Trace: [ 519.731691][ T8868] dump_stack+0x21c/0x280 [ 519.736024][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 519.741754][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 519.746974][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 519.752784][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 519.757983][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 519.763789][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 519.769859][ T8868] ? __wake_up+0x1fc/0x250 [ 519.774278][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 519.779476][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 519.785281][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 519.791346][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 519.796542][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 519.802183][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 519.808249][ T8868] ? _copy_from_user+0x1fd/0x300 [ 519.813186][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 519.818379][ T8868] __msan_chain_origin+0x57/0xa0 [ 519.823322][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 519.828440][ T8868] get_compat_msghdr+0x108/0x2b0 [ 519.833384][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 519.837893][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 519.843089][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 519.848980][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 519.854177][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 519.859806][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 519.865093][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 519.869872][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 519.874563][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 519.879775][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 519.884994][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 519.891073][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 519.894851][ T8515] not chained 1240000 origins [ 519.897238][ T8868] __do_fast_syscall_32+0x102/0x160 [ 519.907057][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 519.911895][ T8868] do_SYSENTER_32+0x73/0x90 [ 519.916386][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 519.922696][ T8868] RIP: 0023:0xf7fcc549 [ 519.926752][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 519.946340][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 519.954737][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 519.962691][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 519.970657][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 519.978624][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 519.986590][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 519.994548][ T8868] Uninit was stored to memory at: [ 519.994562][ T8515] CPU: 0 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 519.994580][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 519.999582][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 520.008217][ T8515] Call Trace: [ 520.018258][ T8868] __msan_chain_origin+0x57/0xa0 [ 520.023951][ T8515] dump_stack+0x21c/0x280 [ 520.027210][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 520.032121][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 520.036419][ T8868] get_compat_msghdr+0x108/0x2b0 [ 520.041504][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 520.047197][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 520.052112][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 520.057277][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 520.061751][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 520.067529][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 520.072180][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 520.077359][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 520.083394][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 520.089185][ T8868] __do_fast_syscall_32+0x102/0x160 [ 520.095311][ T8515] ? __wake_up+0x1fc/0x250 [ 520.101348][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 520.106517][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 520.110908][ T8868] do_SYSENTER_32+0x73/0x90 [ 520.115732][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 520.120906][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 520.125384][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 520.131150][ T8868] [ 520.137459][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 520.143485][ T8868] Uninit was stored to memory at: [ 520.145800][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 520.150968][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 520.155968][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 520.161567][ T8868] __msan_chain_origin+0x57/0xa0 [ 520.167258][ T8515] ? _copy_from_user+0x1fd/0x300 [ 520.173296][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 520.178207][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 520.183116][ T8868] get_compat_msghdr+0x108/0x2b0 [ 520.188214][ T8515] __msan_chain_origin+0x57/0xa0 [ 520.193387][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 520.198307][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 520.203329][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 520.207805][ T8515] get_compat_msghdr+0x108/0x2b0 [ 520.212897][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 520.217548][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 520.222891][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 520.229050][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 520.233548][ T8868] __do_fast_syscall_32+0x102/0x160 [ 520.239677][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 520.244852][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 520.250019][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 520.256148][ T8868] do_SYSENTER_32+0x73/0x90 [ 520.260983][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 520.266160][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 520.270635][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 520.276223][ T8868] [ 520.282533][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 520.287775][ T8868] Uninit was stored to memory at: [ 520.290091][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 520.294824][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 520.299820][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 520.304468][ T8868] __msan_chain_origin+0x57/0xa0 [ 520.310160][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 520.315330][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 520.320241][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 520.325407][ T8868] get_compat_msghdr+0x108/0x2b0 [ 520.330504][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 520.336542][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 520.341452][ T8515] __do_fast_syscall_32+0x102/0x160 [ 520.347575][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 520.352057][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 520.357228][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 520.361878][ T8515] do_SYSENTER_32+0x73/0x90 [ 520.366701][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 520.372741][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 520.377216][ T8868] __do_fast_syscall_32+0x102/0x160 [ 520.383332][ T8515] RIP: 0023:0xf7fa1549 [ 520.389635][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 520.394806][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 520.398846][ T8868] do_SYSENTER_32+0x73/0x90 [ 520.403666][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 [ 520.423253][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 520.427717][ T8515] ORIG_RAX: 0000000000000151 [ 520.433749][ T8868] [ 520.440486][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 520.445132][ T8868] Uninit was stored to memory at: [ 520.447439][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 520.455388][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 520.460404][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 520.468354][ T8868] __msan_chain_origin+0x57/0xa0 [ 520.474042][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 520.481995][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 520.486899][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 520.494851][ T8868] get_compat_msghdr+0x108/0x2b0 [ 520.499931][ T8515] Uninit was stored to memory at: [ 520.507889][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 520.512795][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 520.517793][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 520.522265][ T8515] __msan_chain_origin+0x57/0xa0 [ 520.527958][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 520.533044][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 520.537955][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 520.543991][ T8515] get_compat_msghdr+0x108/0x2b0 [ 520.549088][ T8868] __do_fast_syscall_32+0x102/0x160 [ 520.555212][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 520.560123][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 520.565290][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 520.569766][ T8868] do_SYSENTER_32+0x73/0x90 [ 520.574590][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 520.579241][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 520.583713][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 520.589736][ T8868] [ 520.596047][ T8515] __do_fast_syscall_32+0x102/0x160 [ 520.602156][ T8868] Uninit was stored to memory at: [ 520.604472][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 520.609637][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 520.614642][ T8515] do_SYSENTER_32+0x73/0x90 [ 520.619456][ T8868] __msan_chain_origin+0x57/0xa0 [ 520.625164][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 520.629636][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 520.634534][ T8515] [ 520.640840][ T8868] get_compat_msghdr+0x108/0x2b0 [ 520.645909][ T8515] Uninit was stored to memory at: [ 520.648223][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 520.653146][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 520.658145][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 520.662615][ T8515] __msan_chain_origin+0x57/0xa0 [ 520.668316][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 520.672975][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 520.677886][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 520.683922][ T8515] get_compat_msghdr+0x108/0x2b0 [ 520.689028][ T8868] __do_fast_syscall_32+0x102/0x160 [ 520.695153][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 520.700067][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 520.705245][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 520.709724][ T8868] do_SYSENTER_32+0x73/0x90 [ 520.714557][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 520.719210][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 520.723684][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 520.729726][ T8868] [ 520.736064][ T8515] __do_fast_syscall_32+0x102/0x160 [ 520.742177][ T8868] Uninit was stored to memory at: [ 520.744500][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 520.749674][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 520.754676][ T8515] do_SYSENTER_32+0x73/0x90 [ 520.759499][ T8868] __msan_chain_origin+0x57/0xa0 [ 520.765196][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 520.769670][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 520.774566][ T8515] [ 520.780877][ T8868] get_compat_msghdr+0x108/0x2b0 [ 520.785961][ T8515] Uninit was stored to memory at: [ 520.788277][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 520.793184][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 520.798182][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 520.802654][ T8515] __msan_chain_origin+0x57/0xa0 [ 520.808357][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 520.813003][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 520.817914][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 520.823947][ T8515] get_compat_msghdr+0x108/0x2b0 [ 520.829032][ T8868] __do_fast_syscall_32+0x102/0x160 [ 520.835156][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 520.840068][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 520.845248][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 520.849725][ T8868] do_SYSENTER_32+0x73/0x90 [ 520.854553][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 520.859221][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 520.863694][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 520.869717][ T8868] [ 520.876033][ T8515] __do_fast_syscall_32+0x102/0x160 [ 520.882139][ T8868] Uninit was stored to memory at: [ 520.884454][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 520.889727][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 520.894727][ T8515] do_SYSENTER_32+0x73/0x90 [ 520.899550][ T8868] __msan_chain_origin+0x57/0xa0 [ 520.905292][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 520.909770][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 520.914668][ T8515] [ 520.921091][ T8868] get_compat_msghdr+0x108/0x2b0 [ 520.926163][ T8515] Uninit was stored to memory at: [ 520.928479][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 520.933393][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 520.938393][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 520.942870][ T8515] __msan_chain_origin+0x57/0xa0 [ 520.948575][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 520.953242][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 520.958155][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 520.964192][ T8515] get_compat_msghdr+0x108/0x2b0 [ 520.969280][ T8868] __do_fast_syscall_32+0x102/0x160 [ 520.975401][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 520.980314][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 520.985482][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 520.989962][ T8868] do_SYSENTER_32+0x73/0x90 [ 520.994783][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 520.999436][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 521.003907][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 521.009932][ T8868] [ 521.016245][ T8515] __do_fast_syscall_32+0x102/0x160 [ 521.022355][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 521.024670][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 521.029838][ T8868] do_recvmmsg+0xbf/0x22f0 [ 521.036484][ T8515] do_SYSENTER_32+0x73/0x90 [ 521.041309][ T8868] do_recvmmsg+0xbf/0x22f0 [ 521.045698][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 521.060930][ T8515] [ 521.063256][ T8515] Uninit was stored to memory at: [ 521.068370][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 521.074222][ T8515] __msan_chain_origin+0x57/0xa0 [ 521.079199][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 521.084318][ T8515] get_compat_msghdr+0x108/0x2b0 [ 521.089262][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 521.093773][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 521.098457][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 521.104528][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 521.110691][ T8515] __do_fast_syscall_32+0x102/0x160 [ 521.115893][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 521.120748][ T8515] do_SYSENTER_32+0x73/0x90 [ 521.125256][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 521.131639][ T8515] [ 521.133957][ T8515] Uninit was stored to memory at: [ 521.138991][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 521.144711][ T8515] __msan_chain_origin+0x57/0xa0 [ 521.149686][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 521.154801][ T8515] get_compat_msghdr+0x108/0x2b0 [ 521.159741][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 521.164251][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 521.168933][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 521.175031][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 521.181192][ T8515] __do_fast_syscall_32+0x102/0x160 [ 521.186393][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 521.191246][ T8515] do_SYSENTER_32+0x73/0x90 [ 521.195757][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 521.202070][ T8515] [ 521.204395][ T8515] Uninit was stored to memory at: [ 521.209423][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 521.215148][ T8515] __msan_chain_origin+0x57/0xa0 [ 521.220090][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 521.225205][ T8515] get_compat_msghdr+0x108/0x2b0 [ 521.230149][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 521.234683][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 521.239367][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 521.245441][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 521.251603][ T8515] __do_fast_syscall_32+0x102/0x160 [ 521.256847][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 521.261703][ T8515] do_SYSENTER_32+0x73/0x90 [ 521.266212][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 521.272525][ T8515] [ 521.274848][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 521.281526][ T8515] do_recvmmsg+0xbf/0x22f0 [ 521.285946][ T8515] do_recvmmsg+0xbf/0x22f0 [ 521.597495][ T8551] not chained 1250000 origins [ 521.602213][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 521.610880][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 521.620931][ T8551] Call Trace: [ 521.624229][ T8551] dump_stack+0x21c/0x280 [ 521.628567][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 521.634291][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 521.639493][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 521.645305][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 521.650508][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 521.656319][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 521.662528][ T8551] ? __wake_up+0x1fc/0x250 [ 521.666949][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 521.672159][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 521.677968][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 521.684043][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 521.689244][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 521.694887][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 521.700956][ T8551] ? _copy_from_user+0x1fd/0x300 [ 521.705898][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 521.711097][ T8551] __msan_chain_origin+0x57/0xa0 [ 521.716039][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 521.721157][ T8551] get_compat_msghdr+0x108/0x2b0 [ 521.726101][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 521.730613][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 521.735830][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 521.741737][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 521.746941][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 521.758837][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 521.764133][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 521.768908][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 521.773593][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 521.778797][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 521.784008][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 521.790273][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 521.796443][ T8551] __do_fast_syscall_32+0x102/0x160 [ 521.801650][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 521.806516][ T8551] do_SYSENTER_32+0x73/0x90 [ 521.811029][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 521.817354][ T8551] RIP: 0023:0xf7fa1549 [ 521.821426][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 521.841067][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 521.849491][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 521.857468][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 521.865447][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 521.873444][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 521.881446][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 521.889418][ T8551] Uninit was stored to memory at: [ 521.894561][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 521.900286][ T8551] __msan_chain_origin+0x57/0xa0 [ 521.905343][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 521.910457][ T8551] get_compat_msghdr+0x108/0x2b0 [ 521.915398][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 521.919908][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 521.924649][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 521.930730][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 521.936902][ T8551] __do_fast_syscall_32+0x102/0x160 [ 521.942111][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 521.946963][ T8551] do_SYSENTER_32+0x73/0x90 [ 521.951472][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 521.957820][ T8551] [ 521.960142][ T8551] Uninit was stored to memory at: [ 521.965171][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 521.970885][ T8551] __msan_chain_origin+0x57/0xa0 [ 521.975834][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 521.980953][ T8551] get_compat_msghdr+0x108/0x2b0 [ 521.985892][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 521.990394][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 521.995078][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 522.001145][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 522.007302][ T8551] __do_fast_syscall_32+0x102/0x160 [ 522.012546][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 522.017431][ T8551] do_SYSENTER_32+0x73/0x90 [ 522.021944][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 522.028253][ T8551] [ 522.030573][ T8551] Uninit was stored to memory at: [ 522.035598][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 522.041318][ T8551] __msan_chain_origin+0x57/0xa0 [ 522.046256][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 522.051366][ T8551] get_compat_msghdr+0x108/0x2b0 [ 522.056305][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 522.060809][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 522.065496][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 522.071743][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 522.077904][ T8551] __do_fast_syscall_32+0x102/0x160 [ 522.083106][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 522.087958][ T8551] do_SYSENTER_32+0x73/0x90 [ 522.092464][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 522.098781][ T8551] [ 522.101100][ T8551] Uninit was stored to memory at: [ 522.106125][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 522.111847][ T8551] __msan_chain_origin+0x57/0xa0 [ 522.116772][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 522.121870][ T8551] get_compat_msghdr+0x108/0x2b0 [ 522.126798][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 522.131292][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 522.135956][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 522.142011][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 522.148162][ T8551] __do_fast_syscall_32+0x102/0x160 [ 522.153352][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 522.158196][ T8551] do_SYSENTER_32+0x73/0x90 [ 522.162691][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 522.168994][ T8551] [ 522.171307][ T8551] Uninit was stored to memory at: [ 522.176335][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 522.182041][ T8551] __msan_chain_origin+0x57/0xa0 [ 522.186966][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 522.192063][ T8551] get_compat_msghdr+0x108/0x2b0 [ 522.196989][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 522.201484][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 522.206153][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 522.212208][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 522.218353][ T8551] __do_fast_syscall_32+0x102/0x160 [ 522.223541][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 522.228380][ T8551] do_SYSENTER_32+0x73/0x90 [ 522.232875][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 522.239179][ T8551] [ 522.241495][ T8551] Uninit was stored to memory at: [ 522.246508][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 522.252212][ T8551] __msan_chain_origin+0x57/0xa0 [ 522.257149][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 522.262250][ T8551] get_compat_msghdr+0x108/0x2b0 [ 522.267174][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 522.271668][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 522.276334][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 522.282388][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 522.288532][ T8551] __do_fast_syscall_32+0x102/0x160 [ 522.293719][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 522.298567][ T8551] do_SYSENTER_32+0x73/0x90 [ 522.303062][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 522.309364][ T8551] [ 522.311677][ T8551] Uninit was stored to memory at: [ 522.316687][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 522.322392][ T8551] __msan_chain_origin+0x57/0xa0 [ 522.327317][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 522.332414][ T8551] get_compat_msghdr+0x108/0x2b0 [ 522.337339][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 522.341831][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 522.346581][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 522.352636][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 522.358779][ T8551] __do_fast_syscall_32+0x102/0x160 [ 522.363967][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 522.368806][ T8551] do_SYSENTER_32+0x73/0x90 [ 522.373300][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 522.379600][ T8551] [ 522.381911][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 522.388571][ T8551] do_recvmmsg+0xbf/0x22f0 [ 522.392975][ T8551] do_recvmmsg+0xbf/0x22f0 [ 522.487465][ T8515] not chained 1260000 origins [ 522.492184][ T8515] CPU: 1 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 522.500854][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 522.510908][ T8515] Call Trace: [ 522.514212][ T8515] dump_stack+0x21c/0x280 [ 522.518550][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 522.524285][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 522.529483][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 522.535293][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 522.540493][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 522.546304][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 522.552375][ T8515] ? __wake_up+0x1fc/0x250 [ 522.556820][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 522.562021][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 522.567830][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 522.573899][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 522.579096][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 522.584749][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 522.590824][ T8515] ? _copy_from_user+0x1fd/0x300 [ 522.595774][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 522.600972][ T8515] __msan_chain_origin+0x57/0xa0 [ 522.605921][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 522.611041][ T8515] get_compat_msghdr+0x108/0x2b0 [ 522.615991][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 522.620498][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 522.625707][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 522.631864][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 522.637064][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 522.642703][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 522.648002][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 522.652770][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 522.657454][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 522.662655][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 522.667866][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 522.673942][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 522.680107][ T8515] __do_fast_syscall_32+0x102/0x160 [ 522.685311][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 522.690168][ T8515] do_SYSENTER_32+0x73/0x90 [ 522.694680][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 522.701155][ T8515] RIP: 0023:0xf7fa1549 [ 522.705226][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 522.724834][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 522.733258][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 522.741236][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 522.749236][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 522.757210][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 522.765186][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 522.773163][ T8515] Uninit was stored to memory at: [ 522.778217][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 522.783942][ T8515] __msan_chain_origin+0x57/0xa0 [ 522.788888][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 522.794006][ T8515] get_compat_msghdr+0x108/0x2b0 [ 522.798972][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 522.803488][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 522.808231][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 522.814303][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 522.820463][ T8515] __do_fast_syscall_32+0x102/0x160 [ 522.825694][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 522.830552][ T8515] do_SYSENTER_32+0x73/0x90 [ 522.835075][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 522.841508][ T8515] [ 522.843833][ T8515] Uninit was stored to memory at: [ 522.848860][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 522.854580][ T8515] __msan_chain_origin+0x57/0xa0 [ 522.859540][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 522.864654][ T8515] get_compat_msghdr+0x108/0x2b0 [ 522.869594][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 522.874098][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 522.878776][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 522.884843][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 522.891000][ T8515] __do_fast_syscall_32+0x102/0x160 [ 522.896210][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 522.901068][ T8515] do_SYSENTER_32+0x73/0x90 [ 522.905583][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 522.911952][ T8515] [ 522.914280][ T8515] Uninit was stored to memory at: [ 522.919318][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 522.925042][ T8515] __msan_chain_origin+0x57/0xa0 [ 522.929986][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 522.935098][ T8515] get_compat_msghdr+0x108/0x2b0 [ 522.940036][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 522.944549][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 522.949229][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 522.955300][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 522.961462][ T8515] __do_fast_syscall_32+0x102/0x160 [ 522.966667][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 522.971533][ T8515] do_SYSENTER_32+0x73/0x90 [ 522.976050][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 522.982372][ T8515] [ 522.984699][ T8515] Uninit was stored to memory at: [ 522.989729][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 522.995449][ T8515] __msan_chain_origin+0x57/0xa0 [ 523.000396][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 523.005514][ T8515] get_compat_msghdr+0x108/0x2b0 [ 523.010454][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 523.014957][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 523.019654][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 523.025727][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 523.031888][ T8515] __do_fast_syscall_32+0x102/0x160 [ 523.037087][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 523.041946][ T8515] do_SYSENTER_32+0x73/0x90 [ 523.046453][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 523.052765][ T8515] [ 523.055086][ T8515] Uninit was stored to memory at: [ 523.060115][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 523.065851][ T8515] __msan_chain_origin+0x57/0xa0 [ 523.070799][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 523.075913][ T8515] get_compat_msghdr+0x108/0x2b0 [ 523.080852][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 523.085362][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 523.090047][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 523.096176][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 523.102338][ T8515] __do_fast_syscall_32+0x102/0x160 [ 523.107604][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 523.112461][ T8515] do_SYSENTER_32+0x73/0x90 [ 523.116972][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 523.123283][ T8515] [ 523.125604][ T8515] Uninit was stored to memory at: [ 523.130632][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 523.136350][ T8515] __msan_chain_origin+0x57/0xa0 [ 523.141292][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 523.146404][ T8515] get_compat_msghdr+0x108/0x2b0 [ 523.151344][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 523.155862][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 523.160544][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 523.166613][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 523.172770][ T8515] __do_fast_syscall_32+0x102/0x160 [ 523.177970][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 523.182825][ T8515] do_SYSENTER_32+0x73/0x90 [ 523.187336][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 523.193649][ T8515] [ 523.195973][ T8515] Uninit was stored to memory at: [ 523.200998][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 523.206721][ T8515] __msan_chain_origin+0x57/0xa0 [ 523.211663][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 523.216776][ T8515] get_compat_msghdr+0x108/0x2b0 [ 523.221715][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 523.226224][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 523.230903][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 523.236973][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 523.243137][ T8515] __do_fast_syscall_32+0x102/0x160 [ 523.248334][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 523.253187][ T8515] do_SYSENTER_32+0x73/0x90 [ 523.257695][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 523.264006][ T8515] [ 523.266327][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 523.273002][ T8515] do_recvmmsg+0xbf/0x22f0 [ 523.277417][ T8515] do_recvmmsg+0xbf/0x22f0 [ 523.415144][ T8515] not chained 1270000 origins [ 523.419871][ T8515] CPU: 1 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 523.428542][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 523.438602][ T8515] Call Trace: [ 523.441904][ T8515] dump_stack+0x21c/0x280 [ 523.446238][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 523.451957][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 523.457157][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 523.462965][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 523.468163][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 523.473975][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 523.480100][ T8515] ? __wake_up+0x1fc/0x250 [ 523.484526][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 523.489725][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 523.495538][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 523.501613][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 523.506810][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 523.512449][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 523.518507][ T8515] ? _copy_from_user+0x1fd/0x300 [ 523.523433][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 523.528617][ T8515] __msan_chain_origin+0x57/0xa0 [ 523.533549][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 523.538654][ T8515] get_compat_msghdr+0x108/0x2b0 [ 523.543584][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 523.548110][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 523.553304][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 523.559443][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 523.564631][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 523.570252][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 523.575526][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 523.580279][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 523.585032][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 523.590219][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 523.595408][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 523.601467][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 523.607612][ T8515] __do_fast_syscall_32+0x102/0x160 [ 523.612803][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 523.617646][ T8515] do_SYSENTER_32+0x73/0x90 [ 523.622146][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 523.628460][ T8515] RIP: 0023:0xf7fa1549 [ 523.632535][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 523.652131][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 523.660549][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 523.668523][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 523.676485][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 523.684447][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 523.692420][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 523.700399][ T8515] Uninit was stored to memory at: [ 523.705434][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 523.711145][ T8515] __msan_chain_origin+0x57/0xa0 [ 523.716074][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 523.721170][ T8515] get_compat_msghdr+0x108/0x2b0 [ 523.726096][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 523.730592][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 523.735258][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 523.741399][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 523.747551][ T8515] __do_fast_syscall_32+0x102/0x160 [ 523.752740][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 523.757579][ T8515] do_SYSENTER_32+0x73/0x90 [ 523.762071][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 523.768374][ T8515] [ 523.770683][ T8515] Uninit was stored to memory at: [ 523.775712][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 523.781416][ T8515] __msan_chain_origin+0x57/0xa0 [ 523.786340][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 523.791442][ T8515] get_compat_msghdr+0x108/0x2b0 [ 523.796367][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 523.800871][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 523.805537][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 523.811594][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 523.817737][ T8515] __do_fast_syscall_32+0x102/0x160 [ 523.822927][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 523.827767][ T8515] do_SYSENTER_32+0x73/0x90 [ 523.832261][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 523.838567][ T8515] [ 523.840875][ T8515] Uninit was stored to memory at: [ 523.845885][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 523.851592][ T8515] __msan_chain_origin+0x57/0xa0 [ 523.856517][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 523.861614][ T8515] get_compat_msghdr+0x108/0x2b0 [ 523.866539][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 523.871033][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 523.875698][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 523.881757][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 523.887902][ T8515] __do_fast_syscall_32+0x102/0x160 [ 523.893092][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 523.897936][ T8515] do_SYSENTER_32+0x73/0x90 [ 523.902430][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 523.908740][ T8515] [ 523.911051][ T8515] Uninit was stored to memory at: [ 523.916063][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 523.921769][ T8515] __msan_chain_origin+0x57/0xa0 [ 523.926714][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 523.931822][ T8515] get_compat_msghdr+0x108/0x2b0 [ 523.936756][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 523.941257][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 523.945950][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 523.952009][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 523.958260][ T8515] __do_fast_syscall_32+0x102/0x160 [ 523.963450][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 523.968288][ T8515] do_SYSENTER_32+0x73/0x90 [ 523.972782][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 523.979084][ T8515] [ 523.981393][ T8515] Uninit was stored to memory at: [ 523.986406][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 523.992109][ T8515] __msan_chain_origin+0x57/0xa0 [ 523.997035][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 524.002135][ T8515] get_compat_msghdr+0x108/0x2b0 [ 524.007073][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 524.011567][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 524.016231][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 524.022287][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 524.028429][ T8515] __do_fast_syscall_32+0x102/0x160 [ 524.033617][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 524.038459][ T8515] do_SYSENTER_32+0x73/0x90 [ 524.042958][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 524.049280][ T8515] [ 524.051590][ T8515] Uninit was stored to memory at: [ 524.056602][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 524.062306][ T8515] __msan_chain_origin+0x57/0xa0 [ 524.067231][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 524.072329][ T8515] get_compat_msghdr+0x108/0x2b0 [ 524.077256][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 524.081752][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 524.086416][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 524.092478][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 524.098647][ T8515] __do_fast_syscall_32+0x102/0x160 [ 524.103834][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 524.108674][ T8515] do_SYSENTER_32+0x73/0x90 [ 524.113169][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 524.119476][ T8515] [ 524.121784][ T8515] Uninit was stored to memory at: [ 524.126797][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 524.132501][ T8515] __msan_chain_origin+0x57/0xa0 [ 524.137425][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 524.142534][ T8515] get_compat_msghdr+0x108/0x2b0 [ 524.147460][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 524.151955][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 524.156619][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 524.162674][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 524.168814][ T8515] __do_fast_syscall_32+0x102/0x160 [ 524.174002][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 524.178842][ T8515] do_SYSENTER_32+0x73/0x90 [ 524.183339][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 524.189659][ T8515] [ 524.191972][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 524.198648][ T8515] do_recvmmsg+0xbf/0x22f0 [ 524.203052][ T8515] do_recvmmsg+0xbf/0x22f0 [ 524.328897][ T8551] not chained 1280000 origins [ 524.333638][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 524.342311][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 524.352365][ T8551] Call Trace: [ 524.355674][ T8551] dump_stack+0x21c/0x280 [ 524.360010][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 524.365733][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 524.370933][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 524.376745][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 524.381946][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 524.387752][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 524.393826][ T8551] ? __wake_up+0x1fc/0x250 [ 524.398253][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 524.403458][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 524.409278][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 524.415346][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 524.420549][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 524.426195][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 524.432267][ T8551] ? _copy_from_user+0x1fd/0x300 [ 524.437254][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 524.442455][ T8551] __msan_chain_origin+0x57/0xa0 [ 524.447395][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 524.452519][ T8551] get_compat_msghdr+0x108/0x2b0 [ 524.457467][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 524.462005][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 524.467218][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 524.473114][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 524.478311][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 524.483987][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 524.489276][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 524.494132][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 524.498901][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 524.504103][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 524.509308][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 524.515383][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 524.521547][ T8551] __do_fast_syscall_32+0x102/0x160 [ 524.526752][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 524.531607][ T8551] do_SYSENTER_32+0x73/0x90 [ 524.536118][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 524.542571][ T8551] RIP: 0023:0xf7fa1549 [ 524.546643][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 524.566252][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 524.574675][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 524.582646][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 524.590716][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 524.598693][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 524.606691][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 524.614669][ T8551] Uninit was stored to memory at: [ 524.619705][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 524.625436][ T8551] __msan_chain_origin+0x57/0xa0 [ 524.630379][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 524.635497][ T8551] get_compat_msghdr+0x108/0x2b0 [ 524.640446][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 524.644953][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 524.648675][ T8868] not chained 1290000 origins [ 524.649635][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 524.654293][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 524.660352][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 524.668986][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 524.675123][ T8551] __do_fast_syscall_32+0x102/0x160 [ 524.685139][ T8868] Call Trace: [ 524.690320][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 524.693582][ T8868] dump_stack+0x21c/0x280 [ 524.698404][ T8551] do_SYSENTER_32+0x73/0x90 [ 524.702705][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 524.707185][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 524.712877][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 524.719162][ T8551] [ 524.724349][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 524.726643][ T8551] Uninit was stored to memory at: [ 524.732429][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 524.737435][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 524.742598][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 524.748287][ T8551] __msan_chain_origin+0x57/0xa0 [ 524.754084][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 524.759014][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 524.765083][ T8868] ? __wake_up+0x1fc/0x250 [ 524.770168][ T8551] get_compat_msghdr+0x108/0x2b0 [ 524.774561][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 524.779485][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 524.784655][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 524.789129][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 524.794906][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 524.799583][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 524.805618][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 524.811658][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 524.816827][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 524.822959][ T8551] __do_fast_syscall_32+0x102/0x160 [ 524.828564][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 524.833731][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 524.839767][ T8868] ? _copy_from_user+0x1fd/0x300 [ 524.844589][ T8551] do_SYSENTER_32+0x73/0x90 [ 524.849496][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 524.853989][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 524.859156][ T8868] __msan_chain_origin+0x57/0xa0 [ 524.865458][ T8551] [ 524.870381][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 524.872674][ T8551] Uninit was stored to memory at: [ 524.877768][ T8868] get_compat_msghdr+0x108/0x2b0 [ 524.882762][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 524.887673][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 524.893360][ T8551] __msan_chain_origin+0x57/0xa0 [ 524.897836][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 524.902743][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 524.907912][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 524.912994][ T8551] get_compat_msghdr+0x108/0x2b0 [ 524.918860][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 524.923797][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 524.928966][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 524.933443][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 524.939053][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 524.943719][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 524.948992][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 524.955027][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 524.959765][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 524.965894][ T8551] __do_fast_syscall_32+0x102/0x160 [ 524.970656][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 524.975853][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 524.981019][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 524.985844][ T8551] do_SYSENTER_32+0x73/0x90 [ 524.991017][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 524.995493][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 525.001549][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 525.007835][ T8551] [ 525.013973][ T8868] __do_fast_syscall_32+0x102/0x160 [ 525.016262][ T8551] Uninit was stored to memory at: [ 525.021447][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 525.026440][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 525.031280][ T8868] do_SYSENTER_32+0x73/0x90 [ 525.036967][ T8551] __msan_chain_origin+0x57/0xa0 [ 525.041506][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 525.046413][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 525.052710][ T8868] RIP: 0023:0xf7fcc549 [ 525.057795][ T8551] get_compat_msghdr+0x108/0x2b0 [ 525.061839][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 525.066749][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 525.086333][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 [ 525.090806][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 525.090824][ T8868] ORIG_RAX: 0000000000000151 [ 525.096868][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 525.101514][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 525.106167][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 525.112213][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 525.120181][ T8551] __do_fast_syscall_32+0x102/0x160 [ 525.126304][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 525.134281][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 525.139444][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 525.147405][ T8551] do_SYSENTER_32+0x73/0x90 [ 525.152220][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 525.160177][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 525.164638][ T8868] Uninit was stored to memory at: [ 525.172582][ T8551] [ 525.178893][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 525.183874][ T8551] Uninit was stored to memory at: [ 525.186187][ T8868] __msan_chain_origin+0x57/0xa0 [ 525.191880][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 525.196878][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 525.201783][ T8551] __msan_chain_origin+0x57/0xa0 [ 525.207474][ T8868] get_compat_msghdr+0x108/0x2b0 [ 525.212556][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 525.217456][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 525.217480][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 525.222390][ T8551] get_compat_msghdr+0x108/0x2b0 [ 525.227486][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 525.231964][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 525.236613][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 525.241524][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 525.247564][ T8868] __do_fast_syscall_32+0x102/0x160 [ 525.252037][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 525.258176][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 525.262823][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 525.267991][ T8868] do_SYSENTER_32+0x73/0x90 [ 525.274039][ T8551] __do_fast_syscall_32+0x102/0x160 [ 525.278864][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 525.284986][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 525.289450][ T8868] [ 525.294644][ T8551] do_SYSENTER_32+0x73/0x90 [ 525.300946][ T8868] Uninit was stored to memory at: [ 525.305776][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 525.308079][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 525.312539][ T8551] [ 525.317547][ T8868] __msan_chain_origin+0x57/0xa0 [ 525.323835][ T8551] Uninit was stored to memory at: [ 525.329536][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 525.331838][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 525.336758][ T8868] get_compat_msghdr+0x108/0x2b0 [ 525.341767][ T8551] __msan_chain_origin+0x57/0xa0 [ 525.346852][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 525.352541][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 525.357453][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 525.362378][ T8551] get_compat_msghdr+0x108/0x2b0 [ 525.366855][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 525.371935][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 525.376600][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 525.381509][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 525.387559][ T8868] __do_fast_syscall_32+0x102/0x160 [ 525.392035][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 525.398173][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 525.402823][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 525.407991][ T8868] do_SYSENTER_32+0x73/0x90 [ 525.414029][ T8551] __do_fast_syscall_32+0x102/0x160 [ 525.418852][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 525.424977][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 525.429440][ T8868] [ 525.434633][ T8551] do_SYSENTER_32+0x73/0x90 [ 525.440917][ T8868] Uninit was stored to memory at: [ 525.445752][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 525.448065][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 525.452616][ T8551] [ 525.457633][ T8868] __msan_chain_origin+0x57/0xa0 [ 525.463921][ T8551] Uninit was stored to memory at: [ 525.469623][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 525.471934][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 525.476855][ T8868] get_compat_msghdr+0x108/0x2b0 [ 525.481849][ T8551] __msan_chain_origin+0x57/0xa0 [ 525.486934][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 525.492623][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 525.497534][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 525.502446][ T8551] get_compat_msghdr+0x108/0x2b0 [ 525.506919][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 525.512000][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 525.516649][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 525.521570][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 525.527610][ T8868] __do_fast_syscall_32+0x102/0x160 [ 525.532105][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 525.538230][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 525.542888][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 525.548059][ T8868] do_SYSENTER_32+0x73/0x90 [ 525.554106][ T8551] __do_fast_syscall_32+0x102/0x160 [ 525.558931][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 525.565053][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 525.569503][ T8868] [ 525.569517][ T8868] Uninit was stored to memory at: [ 525.574701][ T8551] do_SYSENTER_32+0x73/0x90 [ 525.580998][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 525.585824][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 525.588123][ T8868] __msan_chain_origin+0x57/0xa0 [ 525.593107][ T8551] [ 525.597592][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 525.603275][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 525.609592][ T8868] get_compat_msghdr+0x108/0x2b0 [ 525.614499][ T8551] do_recvmmsg+0xbf/0x22f0 [ 525.616833][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 525.621917][ T8551] do_recvmmsg+0xbf/0x22f0 [ 525.628563][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 525.651415][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 525.657555][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 525.663753][ T8868] __do_fast_syscall_32+0x102/0x160 [ 525.669029][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 525.673921][ T8868] do_SYSENTER_32+0x73/0x90 [ 525.673950][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 525.673954][ T8868] [ 525.673959][ T8868] Uninit was stored to memory at: [ 525.673975][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 525.673987][ T8868] __msan_chain_origin+0x57/0xa0 [ 525.674004][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 525.674019][ T8868] get_compat_msghdr+0x108/0x2b0 [ 525.674036][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 525.674052][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 525.674069][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 525.674087][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 525.674105][ T8868] __do_fast_syscall_32+0x102/0x160 [ 525.674123][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 525.674140][ T8868] do_SYSENTER_32+0x73/0x90 [ 525.674160][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 525.674163][ T8868] [ 525.674168][ T8868] Uninit was stored to memory at: [ 525.674219][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 525.768056][ T8868] __msan_chain_origin+0x57/0xa0 [ 525.772998][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 525.778109][ T8868] get_compat_msghdr+0x108/0x2b0 [ 525.783052][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 525.787560][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 525.792242][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 525.798312][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 525.804476][ T8868] __do_fast_syscall_32+0x102/0x160 [ 525.809675][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 525.814526][ T8868] do_SYSENTER_32+0x73/0x90 [ 525.819029][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 525.825340][ T8868] [ 525.827657][ T8868] Uninit was stored to memory at: [ 525.832680][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 525.838395][ T8868] __msan_chain_origin+0x57/0xa0 [ 525.843330][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 525.844739][ T8515] not chained 1300000 origins [ 525.848440][ T8868] get_compat_msghdr+0x108/0x2b0 [ 525.853101][ T8515] CPU: 0 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 525.858014][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 525.866646][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 525.871215][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 525.881235][ T8515] Call Trace: [ 525.885896][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 525.889166][ T8515] dump_stack+0x21c/0x280 [ 525.895203][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 525.899506][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 525.905634][ T8868] __do_fast_syscall_32+0x102/0x160 [ 525.911338][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 525.916513][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 525.921689][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 525.926521][ T8868] do_SYSENTER_32+0x73/0x90 [ 525.932299][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 525.936778][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 525.941946][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 525.948232][ T8868] [ 525.954367][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 525.956664][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 525.962724][ T8515] ? __wake_up+0x1fc/0x250 [ 525.969368][ T8868] do_recvmmsg+0xbf/0x22f0 [ 525.973756][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 525.978147][ T8868] do_recvmmsg+0xbf/0x22f0 [ 525.983315][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 525.993491][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 525.999923][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 526.005136][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 526.010781][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 526.016863][ T8515] ? _copy_from_user+0x1fd/0x300 [ 526.021808][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 526.027006][ T8515] __msan_chain_origin+0x57/0xa0 [ 526.031952][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 526.037078][ T8515] get_compat_msghdr+0x108/0x2b0 [ 526.042029][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 526.046537][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 526.051743][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 526.057898][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 526.063097][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 526.068732][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 526.074025][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 526.078793][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 526.083475][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 526.088675][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 526.093879][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 526.099954][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 526.106117][ T8515] __do_fast_syscall_32+0x102/0x160 [ 526.111331][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 526.116188][ T8515] do_SYSENTER_32+0x73/0x90 [ 526.120698][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 526.127072][ T8515] RIP: 0023:0xf7fa1549 [ 526.131144][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 526.150751][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 526.159171][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 526.167145][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 526.175120][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 526.183097][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 526.191072][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 526.199044][ T8515] Uninit was stored to memory at: [ 526.204074][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 526.209824][ T8515] __msan_chain_origin+0x57/0xa0 [ 526.214766][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 526.219877][ T8515] get_compat_msghdr+0x108/0x2b0 [ 526.224864][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 526.229366][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 526.234048][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 526.240115][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 526.246391][ T8515] __do_fast_syscall_32+0x102/0x160 [ 526.251594][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 526.256445][ T8515] do_SYSENTER_32+0x73/0x90 [ 526.260996][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 526.267308][ T8515] [ 526.269629][ T8515] Uninit was stored to memory at: [ 526.274660][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 526.280388][ T8515] __msan_chain_origin+0x57/0xa0 [ 526.285343][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 526.290461][ T8515] get_compat_msghdr+0x108/0x2b0 [ 526.295422][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 526.299932][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 526.304625][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 526.310700][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 526.316863][ T8515] __do_fast_syscall_32+0x102/0x160 [ 526.322067][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 526.326920][ T8515] do_SYSENTER_32+0x73/0x90 [ 526.331443][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 526.337759][ T8515] [ 526.340082][ T8515] Uninit was stored to memory at: [ 526.345114][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 526.350869][ T8515] __msan_chain_origin+0x57/0xa0 [ 526.355813][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 526.360924][ T8515] get_compat_msghdr+0x108/0x2b0 [ 526.365865][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 526.370371][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 526.375054][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 526.381128][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 526.387307][ T8515] __do_fast_syscall_32+0x102/0x160 [ 526.392511][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 526.397365][ T8515] do_SYSENTER_32+0x73/0x90 [ 526.401873][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 526.408185][ T8515] [ 526.410505][ T8515] Uninit was stored to memory at: [ 526.415530][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 526.421248][ T8515] __msan_chain_origin+0x57/0xa0 [ 526.426187][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 526.431301][ T8515] get_compat_msghdr+0x108/0x2b0 [ 526.436242][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 526.440744][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 526.445429][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 526.451499][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 526.457659][ T8515] __do_fast_syscall_32+0x102/0x160 [ 526.462859][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 526.467732][ T8515] do_SYSENTER_32+0x73/0x90 [ 526.472245][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 526.478560][ T8515] [ 526.480882][ T8515] Uninit was stored to memory at: [ 526.485908][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 526.491626][ T8515] __msan_chain_origin+0x57/0xa0 [ 526.496572][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 526.501687][ T8515] get_compat_msghdr+0x108/0x2b0 [ 526.506627][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 526.511135][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 526.515814][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 526.521929][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 526.528084][ T8515] __do_fast_syscall_32+0x102/0x160 [ 526.533286][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 526.538139][ T8515] do_SYSENTER_32+0x73/0x90 [ 526.542649][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 526.548961][ T8515] [ 526.551331][ T8515] Uninit was stored to memory at: [ 526.556357][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 526.562079][ T8515] __msan_chain_origin+0x57/0xa0 [ 526.567018][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 526.572131][ T8515] get_compat_msghdr+0x108/0x2b0 [ 526.577068][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 526.581574][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 526.586256][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 526.592325][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 526.598481][ T8515] __do_fast_syscall_32+0x102/0x160 [ 526.603683][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 526.608535][ T8515] do_SYSENTER_32+0x73/0x90 [ 526.613043][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 526.619353][ T8515] [ 526.621674][ T8515] Uninit was stored to memory at: [ 526.626701][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 526.632426][ T8515] __msan_chain_origin+0x57/0xa0 [ 526.637366][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 526.642477][ T8515] get_compat_msghdr+0x108/0x2b0 [ 526.647421][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 526.651928][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 526.656606][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 526.662762][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 526.668935][ T8515] __do_fast_syscall_32+0x102/0x160 [ 526.674139][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 526.678992][ T8515] do_SYSENTER_32+0x73/0x90 [ 526.683508][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 526.689819][ T8515] [ 526.692142][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 526.698820][ T8515] do_recvmmsg+0xbf/0x22f0 [ 526.703238][ T8515] do_recvmmsg+0xbf/0x22f0 [ 526.993855][ T8515] not chained 1310000 origins [ 526.998586][ T8515] CPU: 0 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 527.007258][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 527.017317][ T8515] Call Trace: [ 527.020628][ T8515] dump_stack+0x21c/0x280 [ 527.024973][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 527.030704][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 527.035914][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 527.041730][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 527.046937][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 527.052781][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 527.058862][ T8515] ? __wake_up+0x1fc/0x250 [ 527.063283][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 527.068495][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 527.074311][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 527.080386][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 527.085592][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 527.091235][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 527.097305][ T8515] ? _copy_from_user+0x1fd/0x300 [ 527.102244][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 527.107437][ T8515] __msan_chain_origin+0x57/0xa0 [ 527.112377][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 527.117577][ T8515] get_compat_msghdr+0x108/0x2b0 [ 527.122518][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 527.127030][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 527.132229][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 527.138377][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 527.143571][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 527.149200][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 527.154493][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 527.159255][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 527.163929][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 527.169150][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 527.174360][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 527.180430][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 527.186585][ T8515] __do_fast_syscall_32+0x102/0x160 [ 527.191787][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 527.196645][ T8515] do_SYSENTER_32+0x73/0x90 [ 527.201155][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 527.207474][ T8515] RIP: 0023:0xf7fa1549 [ 527.211542][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 527.231142][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 527.237733][ T8551] not chained 1320000 origins [ 527.239561][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 527.252155][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 527.260129][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 527.268095][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 527.276058][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 527.284016][ T8515] Uninit was stored to memory at: [ 527.284030][ T8551] CPU: 1 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 527.284048][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 527.289056][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 527.297687][ T8551] Call Trace: [ 527.307742][ T8515] __msan_chain_origin+0x57/0xa0 [ 527.313436][ T8551] dump_stack+0x21c/0x280 [ 527.316697][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 527.321605][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 527.325908][ T8515] get_compat_msghdr+0x108/0x2b0 [ 527.330991][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 527.336692][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 527.341602][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 527.346771][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 527.351247][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 527.357033][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 527.361685][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 527.366866][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 527.372904][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 527.378686][ T8515] __do_fast_syscall_32+0x102/0x160 [ 527.384811][ T8551] ? __wake_up+0x1fc/0x250 [ 527.390868][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 527.396039][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 527.400429][ T8515] do_SYSENTER_32+0x73/0x90 [ 527.405258][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 527.410432][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 527.414905][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 527.420690][ T8515] [ 527.426997][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 527.433029][ T8515] Uninit was stored to memory at: [ 527.435342][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 527.440520][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 527.445537][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 527.451132][ T8515] __msan_chain_origin+0x57/0xa0 [ 527.456825][ T8551] ? _copy_from_user+0x1fd/0x300 [ 527.462864][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 527.467774][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 527.472687][ T8515] get_compat_msghdr+0x108/0x2b0 [ 527.477768][ T8551] __msan_chain_origin+0x57/0xa0 [ 527.482939][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 527.488109][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 527.493023][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 527.497496][ T8551] get_compat_msghdr+0x108/0x2b0 [ 527.502579][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 527.507227][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 527.512138][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 527.518174][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 527.522650][ T8515] __do_fast_syscall_32+0x102/0x160 [ 527.528770][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 527.533942][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 527.539109][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 527.544973][ T8515] do_SYSENTER_32+0x73/0x90 [ 527.549793][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 527.554966][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 527.559438][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 527.565032][ T8515] [ 527.571343][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 527.576586][ T8515] Uninit was stored to memory at: [ 527.578904][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 527.583636][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 527.588631][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 527.593279][ T8515] __msan_chain_origin+0x57/0xa0 [ 527.598970][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 527.604141][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 527.609054][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 527.614222][ T8515] get_compat_msghdr+0x108/0x2b0 [ 527.619309][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 527.625346][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 527.630259][ T8551] __do_fast_syscall_32+0x102/0x160 [ 527.636381][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 527.640858][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 527.646031][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 527.650678][ T8551] do_SYSENTER_32+0x73/0x90 [ 527.655498][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 527.661554][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 527.666049][ T8515] __do_fast_syscall_32+0x102/0x160 [ 527.672169][ T8551] RIP: 0023:0xf7fa1549 [ 527.678473][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 527.683642][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 527.687684][ T8515] do_SYSENTER_32+0x73/0x90 [ 527.692502][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 [ 527.712092][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 527.716555][ T8551] ORIG_RAX: 0000000000000151 [ 527.722586][ T8515] [ 527.728905][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 527.733568][ T8515] Uninit was stored to memory at: [ 527.735880][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 527.743849][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 527.748834][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 527.756808][ T8515] __msan_chain_origin+0x57/0xa0 [ 527.762496][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 527.770552][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 527.775460][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 527.783421][ T8515] get_compat_msghdr+0x108/0x2b0 [ 527.788494][ T8551] Uninit was stored to memory at: [ 527.796457][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 527.801366][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 527.806363][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 527.810836][ T8551] __msan_chain_origin+0x57/0xa0 [ 527.816530][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 527.821177][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 527.826088][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 527.832125][ T8551] get_compat_msghdr+0x108/0x2b0 [ 527.837212][ T8515] __do_fast_syscall_32+0x102/0x160 [ 527.843333][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 527.848245][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 527.853411][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 527.857886][ T8515] do_SYSENTER_32+0x73/0x90 [ 527.862708][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 527.867358][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 527.871833][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 527.877856][ T8515] [ 527.884180][ T8551] __do_fast_syscall_32+0x102/0x160 [ 527.890291][ T8515] Uninit was stored to memory at: [ 527.892607][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 527.897775][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 527.902773][ T8551] do_SYSENTER_32+0x73/0x90 [ 527.907591][ T8515] __msan_chain_origin+0x57/0xa0 [ 527.913305][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 527.917777][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 527.922676][ T8551] [ 527.928997][ T8515] get_compat_msghdr+0x108/0x2b0 [ 527.934071][ T8551] Uninit was stored to memory at: [ 527.936388][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 527.941300][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 527.946303][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 527.950775][ T8551] __msan_chain_origin+0x57/0xa0 [ 527.956469][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 527.961114][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 527.966029][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 527.972064][ T8551] get_compat_msghdr+0x108/0x2b0 [ 527.977153][ T8515] __do_fast_syscall_32+0x102/0x160 [ 527.983274][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 527.988198][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 527.993365][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 527.997848][ T8515] do_SYSENTER_32+0x73/0x90 [ 528.002669][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 528.007322][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 528.011795][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 528.017818][ T8515] [ 528.024135][ T8551] __do_fast_syscall_32+0x102/0x160 [ 528.030249][ T8515] Uninit was stored to memory at: [ 528.032564][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 528.037732][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 528.042740][ T8551] do_SYSENTER_32+0x73/0x90 [ 528.047558][ T8515] __msan_chain_origin+0x57/0xa0 [ 528.053253][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 528.057724][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 528.062619][ T8551] [ 528.068926][ T8515] get_compat_msghdr+0x108/0x2b0 [ 528.073996][ T8551] Uninit was stored to memory at: [ 528.076316][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 528.081225][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 528.086221][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 528.090692][ T8551] __msan_chain_origin+0x57/0xa0 [ 528.096385][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 528.101030][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 528.105942][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 528.111976][ T8551] get_compat_msghdr+0x108/0x2b0 [ 528.117076][ T8515] __do_fast_syscall_32+0x102/0x160 [ 528.123200][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 528.128110][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 528.133280][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 528.137756][ T8515] do_SYSENTER_32+0x73/0x90 [ 528.142592][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 528.147242][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 528.151717][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 528.157740][ T8515] [ 528.164053][ T8551] __do_fast_syscall_32+0x102/0x160 [ 528.170165][ T8515] Uninit was stored to memory at: [ 528.172480][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 528.177655][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 528.182655][ T8551] do_SYSENTER_32+0x73/0x90 [ 528.187473][ T8515] __msan_chain_origin+0x57/0xa0 [ 528.193166][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 528.197642][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 528.202538][ T8551] [ 528.208846][ T8515] get_compat_msghdr+0x108/0x2b0 [ 528.213920][ T8551] Uninit was stored to memory at: [ 528.216250][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 528.221160][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 528.226160][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 528.230645][ T8551] __msan_chain_origin+0x57/0xa0 [ 528.236331][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 528.240978][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 528.245888][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 528.251925][ T8551] get_compat_msghdr+0x108/0x2b0 [ 528.257012][ T8515] __do_fast_syscall_32+0x102/0x160 [ 528.263133][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 528.268046][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 528.273227][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 528.277715][ T8515] do_SYSENTER_32+0x73/0x90 [ 528.282542][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 528.287200][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 528.291688][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 528.297713][ T8515] [ 528.304026][ T8551] __do_fast_syscall_32+0x102/0x160 [ 528.310140][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 528.312453][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 528.317620][ T8515] do_recvmmsg+0xbf/0x22f0 [ 528.324373][ T8551] do_SYSENTER_32+0x73/0x90 [ 528.329197][ T8515] do_recvmmsg+0xbf/0x22f0 [ 528.333588][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 528.348751][ T8551] [ 528.351070][ T8551] Uninit was stored to memory at: [ 528.356099][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 528.361820][ T8551] __msan_chain_origin+0x57/0xa0 [ 528.366759][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 528.371868][ T8551] get_compat_msghdr+0x108/0x2b0 [ 528.376804][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 528.381307][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 528.385985][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 528.392053][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 528.398206][ T8551] __do_fast_syscall_32+0x102/0x160 [ 528.403405][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 528.408257][ T8551] do_SYSENTER_32+0x73/0x90 [ 528.412760][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 528.419069][ T8551] [ 528.421387][ T8551] Uninit was stored to memory at: [ 528.426413][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 528.432127][ T8551] __msan_chain_origin+0x57/0xa0 [ 528.437061][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 528.442169][ T8551] get_compat_msghdr+0x108/0x2b0 [ 528.447105][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 528.451605][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 528.456288][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 528.462360][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 528.468526][ T8551] __do_fast_syscall_32+0x102/0x160 [ 528.473732][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 528.478584][ T8551] do_SYSENTER_32+0x73/0x90 [ 528.483091][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 528.489400][ T8551] [ 528.491718][ T8551] Uninit was stored to memory at: [ 528.496741][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 528.502452][ T8551] __msan_chain_origin+0x57/0xa0 [ 528.507390][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 528.512500][ T8551] get_compat_msghdr+0x108/0x2b0 [ 528.517436][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 528.521936][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 528.523803][ T8868] not chained 1330000 origins [ 528.526636][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 528.531287][ T8868] CPU: 0 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 528.537339][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 528.545971][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 528.552105][ T8551] __do_fast_syscall_32+0x102/0x160 [ 528.562207][ T8868] Call Trace: [ 528.567476][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 528.570734][ T8868] dump_stack+0x21c/0x280 [ 528.575554][ T8551] do_SYSENTER_32+0x73/0x90 [ 528.579871][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 528.584350][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 528.590037][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 528.596326][ T8551] [ 528.601505][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 528.603800][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 528.609595][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 528.616244][ T8551] do_recvmmsg+0xbf/0x22f0 [ 528.621423][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 528.625810][ T8551] do_recvmmsg+0xbf/0x22f0 [ 528.631588][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 528.642108][ T8868] ? __wake_up+0x1fc/0x250 [ 528.646649][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 528.651884][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 528.657694][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 528.663766][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 528.668967][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 528.674612][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 528.680686][ T8868] ? _copy_from_user+0x1fd/0x300 [ 528.685628][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 528.690838][ T8868] __msan_chain_origin+0x57/0xa0 [ 528.695793][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 528.700972][ T8868] get_compat_msghdr+0x108/0x2b0 [ 528.705928][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 528.710459][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 528.715669][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 528.721574][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 528.726782][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 528.732425][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 528.737725][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 528.742502][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 528.747183][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 528.752384][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 528.757590][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 528.763668][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 528.769831][ T8868] __do_fast_syscall_32+0x102/0x160 [ 528.775041][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 528.779962][ T8868] do_SYSENTER_32+0x73/0x90 [ 528.784477][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 528.790856][ T8868] RIP: 0023:0xf7fcc549 [ 528.794955][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 528.814564][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 528.822981][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 528.830954][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 528.838928][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 528.846906][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 528.854877][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 528.862846][ T8868] Uninit was stored to memory at: [ 528.867876][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 528.873596][ T8868] __msan_chain_origin+0x57/0xa0 [ 528.878575][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 528.883749][ T8868] get_compat_msghdr+0x108/0x2b0 [ 528.888691][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 528.893311][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 528.897991][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 528.904081][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 528.910262][ T8868] __do_fast_syscall_32+0x102/0x160 [ 528.915467][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 528.920404][ T8868] do_SYSENTER_32+0x73/0x90 [ 528.924916][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 528.931227][ T8868] [ 528.933549][ T8868] Uninit was stored to memory at: [ 528.938580][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 528.944300][ T8868] __msan_chain_origin+0x57/0xa0 [ 528.949240][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 528.954353][ T8868] get_compat_msghdr+0x108/0x2b0 [ 528.959359][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 528.963863][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 528.968657][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 528.974741][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 528.980907][ T8868] __do_fast_syscall_32+0x102/0x160 [ 528.986111][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 528.990966][ T8868] do_SYSENTER_32+0x73/0x90 [ 528.995481][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 529.001849][ T8868] [ 529.004170][ T8868] Uninit was stored to memory at: [ 529.009206][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 529.014927][ T8868] __msan_chain_origin+0x57/0xa0 [ 529.019866][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 529.024977][ T8868] get_compat_msghdr+0x108/0x2b0 [ 529.029918][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 529.034423][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 529.039107][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 529.045176][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 529.051334][ T8868] __do_fast_syscall_32+0x102/0x160 [ 529.056637][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 529.061502][ T8868] do_SYSENTER_32+0x73/0x90 [ 529.066012][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 529.072328][ T8868] [ 529.074647][ T8868] Uninit was stored to memory at: [ 529.079673][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 529.085398][ T8868] __msan_chain_origin+0x57/0xa0 [ 529.090337][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 529.095448][ T8868] get_compat_msghdr+0x108/0x2b0 [ 529.100409][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 529.104914][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 529.109594][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 529.115662][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 529.121821][ T8868] __do_fast_syscall_32+0x102/0x160 [ 529.127018][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 529.131878][ T8868] do_SYSENTER_32+0x73/0x90 [ 529.136393][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 529.142708][ T8868] [ 529.145026][ T8868] Uninit was stored to memory at: [ 529.150051][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 529.155772][ T8868] __msan_chain_origin+0x57/0xa0 [ 529.160739][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 529.165853][ T8868] get_compat_msghdr+0x108/0x2b0 [ 529.170810][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 529.175327][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 529.180092][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 529.186161][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 529.192317][ T8868] __do_fast_syscall_32+0x102/0x160 [ 529.197545][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 529.202398][ T8868] do_SYSENTER_32+0x73/0x90 [ 529.206918][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 529.213234][ T8868] [ 529.215554][ T8868] Uninit was stored to memory at: [ 529.220578][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 529.226295][ T8868] __msan_chain_origin+0x57/0xa0 [ 529.231237][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 529.236349][ T8868] get_compat_msghdr+0x108/0x2b0 [ 529.241290][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 529.245796][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 529.250484][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 529.256555][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 529.262713][ T8868] __do_fast_syscall_32+0x102/0x160 [ 529.267923][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 529.272783][ T8868] do_SYSENTER_32+0x73/0x90 [ 529.277291][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 529.283603][ T8868] [ 529.285926][ T8868] Uninit was stored to memory at: [ 529.290949][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 529.296665][ T8868] __msan_chain_origin+0x57/0xa0 [ 529.301604][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 529.306716][ T8868] get_compat_msghdr+0x108/0x2b0 [ 529.311656][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 529.316162][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 529.320837][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 529.326910][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 529.333074][ T8868] __do_fast_syscall_32+0x102/0x160 [ 529.333532][ T8551] not chained 1340000 origins [ 529.338284][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 529.342941][ T8551] CPU: 1 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 529.347784][ T8868] do_SYSENTER_32+0x73/0x90 [ 529.356418][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 529.360915][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 529.370946][ T8551] Call Trace: [ 529.377240][ T8868] [ 529.380515][ T8551] dump_stack+0x21c/0x280 [ 529.382807][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 529.387116][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 529.393762][ T8868] do_recvmmsg+0xbf/0x22f0 [ 529.399454][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 529.403845][ T8868] do_recvmmsg+0xbf/0x22f0 [ 529.409014][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 529.419356][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 529.424559][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 529.430372][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 529.436450][ T8551] ? __wake_up+0x1fc/0x250 [ 529.440876][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 529.446077][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 529.451892][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 529.457964][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 529.463170][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 529.468806][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 529.474877][ T8551] ? _copy_from_user+0x1fd/0x300 [ 529.479810][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 529.485005][ T8551] __msan_chain_origin+0x57/0xa0 [ 529.489951][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 529.495073][ T8551] get_compat_msghdr+0x108/0x2b0 [ 529.500012][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 529.504520][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 529.509719][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 529.515607][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 529.520794][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 529.527020][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 529.532298][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 529.537053][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 529.541722][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 529.546907][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 529.552277][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 529.558338][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 529.564488][ T8551] __do_fast_syscall_32+0x102/0x160 [ 529.569677][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 529.574520][ T8551] do_SYSENTER_32+0x73/0x90 [ 529.579019][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 529.585353][ T8551] RIP: 0023:0xf7fa1549 [ 529.589426][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 529.609021][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 529.617430][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 529.625498][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 529.633546][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 529.641506][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 529.649467][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 529.657426][ T8551] Uninit was stored to memory at: [ 529.662452][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 529.668156][ T8551] __msan_chain_origin+0x57/0xa0 [ 529.673081][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 529.678181][ T8551] get_compat_msghdr+0x108/0x2b0 [ 529.683106][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 529.687598][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 529.692263][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 529.698318][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 529.704470][ T8551] __do_fast_syscall_32+0x102/0x160 [ 529.709657][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 529.714503][ T8551] do_SYSENTER_32+0x73/0x90 [ 529.718997][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 529.725301][ T8551] [ 529.727618][ T8551] Uninit was stored to memory at: [ 529.732652][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 529.738356][ T8551] __msan_chain_origin+0x57/0xa0 [ 529.743281][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 529.748395][ T8551] get_compat_msghdr+0x108/0x2b0 [ 529.753338][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 529.757836][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 529.762520][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 529.768581][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 529.774736][ T8551] __do_fast_syscall_32+0x102/0x160 [ 529.779939][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 529.784788][ T8551] do_SYSENTER_32+0x73/0x90 [ 529.789285][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 529.795587][ T8551] [ 529.797898][ T8551] Uninit was stored to memory at: [ 529.802912][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 529.808614][ T8551] __msan_chain_origin+0x57/0xa0 [ 529.813543][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 529.818642][ T8551] get_compat_msghdr+0x108/0x2b0 [ 529.823571][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 529.828062][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 529.832728][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 529.838870][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 529.845014][ T8551] __do_fast_syscall_32+0x102/0x160 [ 529.850218][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 529.855088][ T8551] do_SYSENTER_32+0x73/0x90 [ 529.859592][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 529.865903][ T8551] [ 529.868223][ T8551] Uninit was stored to memory at: [ 529.873245][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 529.878956][ T8551] __msan_chain_origin+0x57/0xa0 [ 529.883887][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 529.888987][ T8551] get_compat_msghdr+0x108/0x2b0 [ 529.893917][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 529.898432][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 529.903101][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 529.909167][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 529.915314][ T8551] __do_fast_syscall_32+0x102/0x160 [ 529.920675][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 529.925516][ T8551] do_SYSENTER_32+0x73/0x90 [ 529.930025][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 529.936334][ T8551] [ 529.938647][ T8551] Uninit was stored to memory at: [ 529.943662][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 529.949374][ T8551] __msan_chain_origin+0x57/0xa0 [ 529.954311][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 529.959428][ T8551] get_compat_msghdr+0x108/0x2b0 [ 529.964363][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 529.968856][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 529.973524][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 529.979580][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 529.985724][ T8551] __do_fast_syscall_32+0x102/0x160 [ 529.990912][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 529.995752][ T8551] do_SYSENTER_32+0x73/0x90 [ 530.000244][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 530.006548][ T8551] [ 530.008866][ T8551] Uninit was stored to memory at: [ 530.013877][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 530.019583][ T8551] __msan_chain_origin+0x57/0xa0 [ 530.024508][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 530.029605][ T8551] get_compat_msghdr+0x108/0x2b0 [ 530.034528][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 530.039022][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 530.043688][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 530.049742][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 530.055884][ T8551] __do_fast_syscall_32+0x102/0x160 [ 530.061074][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 530.065912][ T8551] do_SYSENTER_32+0x73/0x90 [ 530.070419][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 530.076723][ T8551] [ 530.079034][ T8551] Uninit was stored to memory at: [ 530.084046][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 530.089750][ T8551] __msan_chain_origin+0x57/0xa0 [ 530.094678][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 530.099776][ T8551] get_compat_msghdr+0x108/0x2b0 [ 530.104722][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 530.109225][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 530.113890][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 530.119945][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 530.126089][ T8551] __do_fast_syscall_32+0x102/0x160 [ 530.131277][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 530.136119][ T8551] do_SYSENTER_32+0x73/0x90 [ 530.140611][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 530.146912][ T8551] [ 530.149224][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 530.155886][ T8551] do_recvmmsg+0xbf/0x22f0 [ 530.160290][ T8551] do_recvmmsg+0xbf/0x22f0 [ 530.332194][ T8868] not chained 1350000 origins [ 530.336910][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 530.345580][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 530.355632][ T8868] Call Trace: [ 530.358932][ T8868] dump_stack+0x21c/0x280 [ 530.363266][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 530.368988][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 530.374195][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 530.380001][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 530.385207][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 530.391015][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 530.397086][ T8868] ? __wake_up+0x1fc/0x250 [ 530.401528][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 530.406726][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 530.412535][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 530.418602][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 530.423802][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 530.429445][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 530.435514][ T8868] ? _copy_from_user+0x1fd/0x300 [ 530.440453][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 530.445662][ T8868] __msan_chain_origin+0x57/0xa0 [ 530.450604][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 530.455726][ T8868] get_compat_msghdr+0x108/0x2b0 [ 530.460668][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 530.465178][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 530.470377][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 530.476296][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 530.481495][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 530.487160][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 530.492454][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 530.497221][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 530.501900][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 530.507097][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 530.512301][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 530.513149][ T8515] not chained 1360000 origins [ 530.518371][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 530.529237][ T8868] __do_fast_syscall_32+0x102/0x160 [ 530.534425][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 530.539262][ T8868] do_SYSENTER_32+0x73/0x90 [ 530.543753][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 530.550059][ T8868] RIP: 0023:0xf7fcc549 [ 530.554113][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 530.573699][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 530.582097][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 530.590064][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 530.598018][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 530.605991][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 530.613952][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 530.621905][ T8868] Uninit was stored to memory at: [ 530.621924][ T8515] CPU: 0 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 530.621941][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 530.626955][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 530.635587][ T8515] Call Trace: [ 530.645637][ T8868] __msan_chain_origin+0x57/0xa0 [ 530.651331][ T8515] dump_stack+0x21c/0x280 [ 530.654591][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 530.659499][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 530.663800][ T8868] get_compat_msghdr+0x108/0x2b0 [ 530.668883][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 530.674574][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 530.679483][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 530.684653][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 530.689127][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 530.694905][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 530.699552][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 530.704734][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 530.710770][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 530.716551][ T8868] __do_fast_syscall_32+0x102/0x160 [ 530.722678][ T8515] ? __wake_up+0x1fc/0x250 [ 530.728713][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 530.733880][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 530.738271][ T8868] do_SYSENTER_32+0x73/0x90 [ 530.743091][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 530.748262][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 530.752737][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 530.758500][ T8868] [ 530.764809][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 530.770835][ T8868] Uninit was stored to memory at: [ 530.773146][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 530.778315][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 530.783316][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 530.788913][ T8868] __msan_chain_origin+0x57/0xa0 [ 530.794608][ T8515] ? _copy_from_user+0x1fd/0x300 [ 530.800645][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 530.805551][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 530.810461][ T8868] get_compat_msghdr+0x108/0x2b0 [ 530.815542][ T8515] __msan_chain_origin+0x57/0xa0 [ 530.820713][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 530.825620][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 530.830527][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 530.835004][ T8515] get_compat_msghdr+0x108/0x2b0 [ 530.840085][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 530.844736][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 530.849646][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 530.855683][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 530.860162][ T8868] __do_fast_syscall_32+0x102/0x160 [ 530.866286][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 530.871468][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 530.876635][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 530.882762][ T8868] do_SYSENTER_32+0x73/0x90 [ 530.887585][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 530.892757][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 530.897240][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 530.902832][ T8868] [ 530.909143][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 530.914390][ T8868] Uninit was stored to memory at: [ 530.916705][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 530.921443][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 530.926455][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 530.931118][ T8868] __msan_chain_origin+0x57/0xa0 [ 530.936816][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 530.941991][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 530.946902][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 530.952076][ T8868] get_compat_msghdr+0x108/0x2b0 [ 530.957162][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 530.963214][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 530.968142][ T8515] __do_fast_syscall_32+0x102/0x160 [ 530.974271][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 530.978754][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 530.983932][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 530.988586][ T8515] do_SYSENTER_32+0x73/0x90 [ 530.993413][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 530.999460][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 531.003932][ T8868] __do_fast_syscall_32+0x102/0x160 [ 531.010049][ T8515] RIP: 0023:0xf7fa1549 [ 531.016353][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 531.021520][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 531.025561][ T8868] do_SYSENTER_32+0x73/0x90 [ 531.030380][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 [ 531.049972][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 531.054435][ T8515] ORIG_RAX: 0000000000000151 [ 531.060470][ T8868] [ 531.066774][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 531.071416][ T8868] Uninit was stored to memory at: [ 531.073736][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 531.081689][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 531.086677][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 531.094626][ T8868] __msan_chain_origin+0x57/0xa0 [ 531.100313][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 531.108265][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 531.113168][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 531.121130][ T8868] get_compat_msghdr+0x108/0x2b0 [ 531.126205][ T8515] Uninit was stored to memory at: [ 531.134163][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 531.139072][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 531.144069][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 531.148542][ T8515] __msan_chain_origin+0x57/0xa0 [ 531.154234][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 531.158882][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 531.163793][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 531.169828][ T8515] get_compat_msghdr+0x108/0x2b0 [ 531.174916][ T8868] __do_fast_syscall_32+0x102/0x160 [ 531.181036][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 531.185949][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 531.191116][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 531.195594][ T8868] do_SYSENTER_32+0x73/0x90 [ 531.200416][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 531.205065][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 531.209539][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 531.215560][ T8868] [ 531.221871][ T8515] __do_fast_syscall_32+0x102/0x160 [ 531.227981][ T8868] Uninit was stored to memory at: [ 531.230299][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 531.235725][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 531.240723][ T8515] do_SYSENTER_32+0x73/0x90 [ 531.245544][ T8868] __msan_chain_origin+0x57/0xa0 [ 531.251241][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 531.255712][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 531.260608][ T8515] [ 531.266919][ T8868] get_compat_msghdr+0x108/0x2b0 [ 531.271991][ T8515] Uninit was stored to memory at: [ 531.274311][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 531.279218][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 531.284214][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 531.288687][ T8515] __msan_chain_origin+0x57/0xa0 [ 531.294380][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 531.299040][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 531.303954][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 531.309986][ T8515] get_compat_msghdr+0x108/0x2b0 [ 531.315071][ T8868] __do_fast_syscall_32+0x102/0x160 [ 531.321193][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 531.326106][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 531.331274][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 531.335752][ T8868] do_SYSENTER_32+0x73/0x90 [ 531.340574][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 531.345224][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 531.349709][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 531.355733][ T8868] [ 531.362044][ T8515] __do_fast_syscall_32+0x102/0x160 [ 531.368155][ T8868] Uninit was stored to memory at: [ 531.370475][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 531.375640][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 531.380640][ T8515] do_SYSENTER_32+0x73/0x90 [ 531.385466][ T8868] __msan_chain_origin+0x57/0xa0 [ 531.391161][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 531.395635][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 531.400533][ T8515] [ 531.406849][ T8868] get_compat_msghdr+0x108/0x2b0 [ 531.411932][ T8515] Uninit was stored to memory at: [ 531.414252][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 531.419178][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 531.424188][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 531.428659][ T8515] __msan_chain_origin+0x57/0xa0 [ 531.434361][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 531.439008][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 531.443919][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 531.449956][ T8515] get_compat_msghdr+0x108/0x2b0 [ 531.455052][ T8868] __do_fast_syscall_32+0x102/0x160 [ 531.461173][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 531.466083][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 531.471251][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 531.475730][ T8868] do_SYSENTER_32+0x73/0x90 [ 531.480553][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 531.485218][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 531.489717][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 531.495747][ T8868] [ 531.502075][ T8515] __do_fast_syscall_32+0x102/0x160 [ 531.508180][ T8868] Uninit was stored to memory at: [ 531.510497][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 531.515664][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 531.520660][ T8515] do_SYSENTER_32+0x73/0x90 [ 531.525496][ T8868] __msan_chain_origin+0x57/0xa0 [ 531.531193][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 531.535662][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 531.540666][ T8515] [ 531.546987][ T8868] get_compat_msghdr+0x108/0x2b0 [ 531.552060][ T8515] Uninit was stored to memory at: [ 531.554374][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 531.559281][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 531.564290][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 531.568762][ T8515] __msan_chain_origin+0x57/0xa0 [ 531.574454][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 531.579101][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 531.584012][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 531.590054][ T8515] get_compat_msghdr+0x108/0x2b0 [ 531.595140][ T8868] __do_fast_syscall_32+0x102/0x160 [ 531.601262][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 531.606174][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 531.611341][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 531.615817][ T8868] do_SYSENTER_32+0x73/0x90 [ 531.620640][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 531.625301][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 531.629775][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 531.635798][ T8868] [ 531.642112][ T8515] __do_fast_syscall_32+0x102/0x160 [ 531.648322][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 531.650648][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 531.655814][ T8868] do_recvmmsg+0xbf/0x22f0 [ 531.662463][ T8515] do_SYSENTER_32+0x73/0x90 [ 531.667297][ T8868] do_recvmmsg+0xbf/0x22f0 [ 531.671700][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 531.686958][ T8515] [ 531.689281][ T8515] Uninit was stored to memory at: [ 531.694315][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 531.700035][ T8515] __msan_chain_origin+0x57/0xa0 [ 531.705015][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 531.710131][ T8515] get_compat_msghdr+0x108/0x2b0 [ 531.715079][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 531.719588][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 531.724285][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 531.730358][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 531.736527][ T8515] __do_fast_syscall_32+0x102/0x160 [ 531.741739][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 531.746601][ T8515] do_SYSENTER_32+0x73/0x90 [ 531.751118][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 531.757437][ T8515] [ 531.759758][ T8515] Uninit was stored to memory at: [ 531.764786][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 531.770508][ T8515] __msan_chain_origin+0x57/0xa0 [ 531.775447][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 531.780559][ T8515] get_compat_msghdr+0x108/0x2b0 [ 531.785498][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 531.790008][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 531.794686][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 531.800753][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 531.806913][ T8515] __do_fast_syscall_32+0x102/0x160 [ 531.812122][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 531.816979][ T8515] do_SYSENTER_32+0x73/0x90 [ 531.821489][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 531.827799][ T8515] [ 531.830121][ T8515] Uninit was stored to memory at: [ 531.835145][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 531.840862][ T8515] __msan_chain_origin+0x57/0xa0 [ 531.845802][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 531.850912][ T8515] get_compat_msghdr+0x108/0x2b0 [ 531.855852][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 531.860354][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 531.865033][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 531.871103][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 531.877260][ T8515] __do_fast_syscall_32+0x102/0x160 [ 531.882460][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 531.887321][ T8515] do_SYSENTER_32+0x73/0x90 [ 531.891872][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 531.898187][ T8515] [ 531.900509][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 531.907185][ T8515] do_recvmmsg+0xbf/0x22f0 [ 531.911610][ T8515] do_recvmmsg+0xbf/0x22f0 [ 532.158443][ T8551] not chained 1370000 origins [ 532.163154][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 532.171821][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 532.181872][ T8551] Call Trace: [ 532.185170][ T8551] dump_stack+0x21c/0x280 [ 532.189504][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 532.195229][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 532.200430][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 532.206256][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 532.211459][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 532.217270][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 532.223343][ T8551] ? __wake_up+0x1fc/0x250 [ 532.227759][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 532.232970][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 532.238779][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 532.244844][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 532.250131][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 532.255776][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 532.261844][ T8551] ? _copy_from_user+0x1fd/0x300 [ 532.266781][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 532.271978][ T8551] __msan_chain_origin+0x57/0xa0 [ 532.276919][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 532.282036][ T8551] get_compat_msghdr+0x108/0x2b0 [ 532.286982][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 532.291496][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 532.296697][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 532.302594][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 532.307793][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 532.313427][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 532.318720][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 532.323486][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 532.328165][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 532.333380][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 532.338587][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 532.344662][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 532.350824][ T8551] __do_fast_syscall_32+0x102/0x160 [ 532.356031][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 532.360888][ T8551] do_SYSENTER_32+0x73/0x90 [ 532.365489][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 532.371811][ T8551] RIP: 0023:0xf7fa1549 [ 532.375886][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 532.395495][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 532.404002][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 532.412007][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 532.419981][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 532.428042][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 532.436059][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 532.444035][ T8551] Uninit was stored to memory at: [ 532.449090][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 532.454817][ T8551] __msan_chain_origin+0x57/0xa0 [ 532.459758][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 532.464873][ T8551] get_compat_msghdr+0x108/0x2b0 [ 532.469814][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 532.474318][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 532.478996][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 532.485067][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 532.491258][ T8551] __do_fast_syscall_32+0x102/0x160 [ 532.496465][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 532.501375][ T8551] do_SYSENTER_32+0x73/0x90 [ 532.505884][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 532.512197][ T8551] [ 532.514517][ T8551] Uninit was stored to memory at: [ 532.519543][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 532.525263][ T8551] __msan_chain_origin+0x57/0xa0 [ 532.530231][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 532.535344][ T8551] get_compat_msghdr+0x108/0x2b0 [ 532.540283][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 532.544885][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 532.549563][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 532.555635][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 532.561795][ T8551] __do_fast_syscall_32+0x102/0x160 [ 532.566999][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 532.571855][ T8551] do_SYSENTER_32+0x73/0x90 [ 532.576364][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 532.582678][ T8551] [ 532.585070][ T8551] Uninit was stored to memory at: [ 532.590108][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 532.595830][ T8551] __msan_chain_origin+0x57/0xa0 [ 532.600773][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 532.605887][ T8551] get_compat_msghdr+0x108/0x2b0 [ 532.610828][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 532.615343][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 532.620026][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 532.626105][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 532.632291][ T8551] __do_fast_syscall_32+0x102/0x160 [ 532.637492][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 532.642346][ T8551] do_SYSENTER_32+0x73/0x90 [ 532.646856][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 532.653170][ T8551] [ 532.655490][ T8551] Uninit was stored to memory at: [ 532.660516][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 532.666237][ T8551] __msan_chain_origin+0x57/0xa0 [ 532.671178][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 532.676290][ T8551] get_compat_msghdr+0x108/0x2b0 [ 532.681230][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 532.685734][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 532.690415][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 532.696484][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 532.702648][ T8551] __do_fast_syscall_32+0x102/0x160 [ 532.707856][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 532.712716][ T8551] do_SYSENTER_32+0x73/0x90 [ 532.717229][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 532.723544][ T8551] [ 532.725867][ T8551] Uninit was stored to memory at: [ 532.730899][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 532.736627][ T8551] __msan_chain_origin+0x57/0xa0 [ 532.741592][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 532.746709][ T8551] get_compat_msghdr+0x108/0x2b0 [ 532.751682][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 532.756195][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 532.760879][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 532.766973][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 532.773143][ T8551] __do_fast_syscall_32+0x102/0x160 [ 532.778346][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 532.783208][ T8551] do_SYSENTER_32+0x73/0x90 [ 532.787719][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 532.794035][ T8551] [ 532.796355][ T8551] Uninit was stored to memory at: [ 532.801387][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 532.807108][ T8551] __msan_chain_origin+0x57/0xa0 [ 532.812046][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 532.817157][ T8551] get_compat_msghdr+0x108/0x2b0 [ 532.822108][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 532.826617][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 532.831301][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 532.837370][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 532.843570][ T8551] __do_fast_syscall_32+0x102/0x160 [ 532.848773][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 532.853626][ T8551] do_SYSENTER_32+0x73/0x90 [ 532.858136][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 532.864451][ T8551] [ 532.866773][ T8551] Uninit was stored to memory at: [ 532.871800][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 532.877630][ T8551] __msan_chain_origin+0x57/0xa0 [ 532.882576][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 532.887688][ T8551] get_compat_msghdr+0x108/0x2b0 [ 532.892681][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 532.897190][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 532.901879][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 532.907955][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 532.914114][ T8551] __do_fast_syscall_32+0x102/0x160 [ 532.919317][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 532.924187][ T8551] do_SYSENTER_32+0x73/0x90 [ 532.928705][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 532.935020][ T8551] [ 532.937346][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 532.944032][ T8551] do_recvmmsg+0xbf/0x22f0 [ 532.948451][ T8551] do_recvmmsg+0xbf/0x22f0 [ 533.101978][ T8551] not chained 1380000 origins [ 533.106705][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 533.115363][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 533.125405][ T8551] Call Trace: [ 533.128694][ T8551] dump_stack+0x21c/0x280 [ 533.133015][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 533.138726][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 533.143917][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 533.149708][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 533.154895][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 533.160689][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 533.166748][ T8551] ? __wake_up+0x1fc/0x250 [ 533.171155][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 533.176341][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 533.182136][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 533.188195][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 533.193394][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 533.199017][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 533.205097][ T8551] ? _copy_from_user+0x1fd/0x300 [ 533.210295][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 533.215496][ T8551] __msan_chain_origin+0x57/0xa0 [ 533.220440][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 533.225546][ T8551] get_compat_msghdr+0x108/0x2b0 [ 533.230478][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 533.234974][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 533.240167][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 533.246054][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 533.251242][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 533.256862][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 533.262140][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 533.266896][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 533.271566][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 533.276842][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 533.282032][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 533.288093][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 533.294240][ T8551] __do_fast_syscall_32+0x102/0x160 [ 533.299438][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 533.304280][ T8551] do_SYSENTER_32+0x73/0x90 [ 533.308776][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 533.315090][ T8551] RIP: 0023:0xf7fa1549 [ 533.319158][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 533.338751][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 533.347155][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 533.355114][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 533.363073][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 533.371034][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 533.378991][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 533.386950][ T8551] Uninit was stored to memory at: [ 533.393020][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 533.398726][ T8551] __msan_chain_origin+0x57/0xa0 [ 533.403651][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 533.408749][ T8551] get_compat_msghdr+0x108/0x2b0 [ 533.413676][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 533.418183][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 533.422849][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 533.428902][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 533.435045][ T8551] __do_fast_syscall_32+0x102/0x160 [ 533.440231][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 533.445071][ T8551] do_SYSENTER_32+0x73/0x90 [ 533.449569][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 533.455881][ T8551] [ 533.458191][ T8551] Uninit was stored to memory at: [ 533.463206][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 533.468911][ T8551] __msan_chain_origin+0x57/0xa0 [ 533.473846][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 533.478944][ T8551] get_compat_msghdr+0x108/0x2b0 [ 533.483869][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 533.488360][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 533.493026][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 533.499080][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 533.505224][ T8551] __do_fast_syscall_32+0x102/0x160 [ 533.510425][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 533.515272][ T8551] do_SYSENTER_32+0x73/0x90 [ 533.519766][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 533.526066][ T8551] [ 533.528374][ T8551] Uninit was stored to memory at: [ 533.533388][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 533.539106][ T8551] __msan_chain_origin+0x57/0xa0 [ 533.544033][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 533.549130][ T8551] get_compat_msghdr+0x108/0x2b0 [ 533.554065][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 533.558556][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 533.563223][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 533.569279][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 533.575424][ T8551] __do_fast_syscall_32+0x102/0x160 [ 533.580616][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 533.585458][ T8551] do_SYSENTER_32+0x73/0x90 [ 533.589954][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 533.596259][ T8551] [ 533.598569][ T8551] Uninit was stored to memory at: [ 533.603583][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 533.609287][ T8551] __msan_chain_origin+0x57/0xa0 [ 533.614213][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 533.619311][ T8551] get_compat_msghdr+0x108/0x2b0 [ 533.624237][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 533.628743][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 533.633428][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 533.639486][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 533.645630][ T8551] __do_fast_syscall_32+0x102/0x160 [ 533.650823][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 533.655662][ T8551] do_SYSENTER_32+0x73/0x90 [ 533.660158][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 533.666547][ T8551] [ 533.668858][ T8551] Uninit was stored to memory at: [ 533.673874][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 533.679580][ T8551] __msan_chain_origin+0x57/0xa0 [ 533.684506][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 533.689604][ T8551] get_compat_msghdr+0x108/0x2b0 [ 533.694530][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 533.699021][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 533.703685][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 533.709746][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 533.715890][ T8551] __do_fast_syscall_32+0x102/0x160 [ 533.721079][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 533.725918][ T8551] do_SYSENTER_32+0x73/0x90 [ 533.730411][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 533.736719][ T8551] [ 533.739041][ T8551] Uninit was stored to memory at: [ 533.744051][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 533.749755][ T8551] __msan_chain_origin+0x57/0xa0 [ 533.754698][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 533.759810][ T8551] get_compat_msghdr+0x108/0x2b0 [ 533.764749][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 533.769251][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 533.773923][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 533.779981][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 533.786127][ T8551] __do_fast_syscall_32+0x102/0x160 [ 533.791318][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 533.796160][ T8551] do_SYSENTER_32+0x73/0x90 [ 533.800664][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 533.807068][ T8551] [ 533.809380][ T8551] Uninit was stored to memory at: [ 533.814407][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 533.820111][ T8551] __msan_chain_origin+0x57/0xa0 [ 533.825037][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 533.830134][ T8551] get_compat_msghdr+0x108/0x2b0 [ 533.835062][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 533.839552][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 533.844221][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 533.850296][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 533.856459][ T8551] __do_fast_syscall_32+0x102/0x160 [ 533.861663][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 533.866509][ T8551] do_SYSENTER_32+0x73/0x90 [ 533.871011][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 533.877328][ T8551] [ 533.879641][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 533.886315][ T8551] do_recvmmsg+0xbf/0x22f0 [ 533.890722][ T8551] do_recvmmsg+0xbf/0x22f0 [ 534.049218][ T8515] not chained 1390000 origins [ 534.053937][ T8515] CPU: 1 PID: 8515 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 534.062611][ T8515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 534.072665][ T8515] Call Trace: [ 534.075964][ T8515] dump_stack+0x21c/0x280 [ 534.080297][ T8515] kmsan_internal_chain_origin+0x6f/0x130 [ 534.086020][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 534.091312][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 534.097118][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 534.102321][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 534.108127][ T8515] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 534.114202][ T8515] ? __wake_up+0x1fc/0x250 [ 534.118619][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 534.123819][ T8515] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 534.129630][ T8515] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 534.135697][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 534.140893][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 534.146545][ T8515] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 534.152616][ T8515] ? _copy_from_user+0x1fd/0x300 [ 534.157558][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 534.162762][ T8515] __msan_chain_origin+0x57/0xa0 [ 534.167708][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 534.172833][ T8515] get_compat_msghdr+0x108/0x2b0 [ 534.177778][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 534.182293][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 534.187501][ T8515] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 534.193656][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 534.198853][ T8515] ? kmsan_internal_set_origin+0x85/0xc0 [ 534.204486][ T8515] ? __msan_poison_alloca+0xe9/0x110 [ 534.209783][ T8515] ? __sys_recvmmsg+0xb5/0x6f0 [ 534.214551][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 534.219232][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 534.224432][ T8515] ? kmsan_get_metadata+0x116/0x180 [ 534.229638][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 534.235717][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 534.241966][ T8515] __do_fast_syscall_32+0x102/0x160 [ 534.247170][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 534.252030][ T8515] do_SYSENTER_32+0x73/0x90 [ 534.256540][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 534.262864][ T8515] RIP: 0023:0xf7fa1549 [ 534.266938][ T8515] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 534.286546][ T8515] RSP: 002b:00000000f559b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 534.294974][ T8515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 534.302957][ T8515] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 534.311394][ T8515] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 534.319490][ T8515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 534.327473][ T8515] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 534.335447][ T8515] Uninit was stored to memory at: [ 534.340554][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 534.346294][ T8515] __msan_chain_origin+0x57/0xa0 [ 534.351240][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 534.356443][ T8515] get_compat_msghdr+0x108/0x2b0 [ 534.361514][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 534.366022][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 534.370704][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 534.376772][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 534.382937][ T8515] __do_fast_syscall_32+0x102/0x160 [ 534.388138][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 534.392992][ T8515] do_SYSENTER_32+0x73/0x90 [ 534.393943][ T8868] not chained 1400000 origins [ 534.397516][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 534.402171][ T8868] CPU: 0 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 534.408474][ T8515] [ 534.417123][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 534.419424][ T8515] Uninit was stored to memory at: [ 534.429457][ T8868] Call Trace: [ 534.434467][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 534.437728][ T8868] dump_stack+0x21c/0x280 [ 534.443416][ T8515] __msan_chain_origin+0x57/0xa0 [ 534.447718][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 534.452657][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 534.458346][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 534.463434][ T8515] get_compat_msghdr+0x108/0x2b0 [ 534.468601][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 534.473510][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 534.479288][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 534.483763][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 534.488935][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 534.493587][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 534.499371][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 534.505410][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 534.511453][ T8868] ? __wake_up+0x1fc/0x250 [ 534.517577][ T8515] __do_fast_syscall_32+0x102/0x160 [ 534.521966][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 534.527139][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 534.532308][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 534.537134][ T8515] do_SYSENTER_32+0x73/0x90 [ 534.543256][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 534.547736][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 534.553769][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 534.560143][ T8515] [ 534.565326][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 534.567620][ T8515] Uninit was stored to memory at: [ 534.573238][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 534.578231][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 534.584269][ T8868] ? _copy_from_user+0x1fd/0x300 [ 534.589957][ T8515] __msan_chain_origin+0x57/0xa0 [ 534.594867][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 534.599785][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 534.604968][ T8868] __msan_chain_origin+0x57/0xa0 [ 534.610050][ T8515] get_compat_msghdr+0x108/0x2b0 [ 534.614965][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 534.619877][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 534.624963][ T8868] get_compat_msghdr+0x108/0x2b0 [ 534.629442][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 534.634349][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 534.638999][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 534.643475][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 534.649515][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 534.654682][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 534.660809][ T8515] __do_fast_syscall_32+0x102/0x160 [ 534.666685][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 534.671878][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 534.677068][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 534.681890][ T8515] do_SYSENTER_32+0x73/0x90 [ 534.687491][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 534.691971][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 534.697226][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 534.703509][ T8515] [ 534.708257][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 534.710550][ T8515] Uninit was stored to memory at: [ 534.715254][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 534.720514][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 534.725689][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 534.731383][ T8515] __msan_chain_origin+0x57/0xa0 [ 534.736565][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 534.741473][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 534.747619][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 534.752697][ T8515] get_compat_msghdr+0x108/0x2b0 [ 534.758829][ T8868] __do_fast_syscall_32+0x102/0x160 [ 534.763735][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 534.768906][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 534.773393][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 534.778217][ T8868] do_SYSENTER_32+0x73/0x90 [ 534.782863][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 534.787435][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 534.793471][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 534.799767][ T8868] RIP: 0023:0xf7fcc549 [ 534.805898][ T8515] __do_fast_syscall_32+0x102/0x160 [ 534.809938][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 534.815115][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 534.834682][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 [ 534.839514][ T8515] do_SYSENTER_32+0x73/0x90 [ 534.839531][ T8868] ORIG_RAX: 0000000000000151 [ 534.845577][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 534.850045][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 534.854687][ T8515] [ 534.860994][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 534.868960][ T8515] Uninit was stored to memory at: [ 534.871270][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 534.879228][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 534.884216][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 534.892169][ T8515] __msan_chain_origin+0x57/0xa0 [ 534.897870][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 534.905824][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 534.910721][ T8868] Uninit was stored to memory at: [ 534.918693][ T8515] get_compat_msghdr+0x108/0x2b0 [ 534.923780][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 534.928806][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 534.933719][ T8868] __msan_chain_origin+0x57/0xa0 [ 534.939417][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 534.943894][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 534.948806][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 534.953454][ T8868] get_compat_msghdr+0x108/0x2b0 [ 534.958543][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 534.964584][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 534.969498][ T8515] __do_fast_syscall_32+0x102/0x160 [ 534.975620][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 534.980098][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 534.985266][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 534.989915][ T8515] do_SYSENTER_32+0x73/0x90 [ 534.994737][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 535.000791][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 535.005267][ T8868] __do_fast_syscall_32+0x102/0x160 [ 535.011376][ T8515] [ 535.017687][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 535.022855][ T8515] Uninit was stored to memory at: [ 535.025175][ T8868] do_SYSENTER_32+0x73/0x90 [ 535.029995][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 535.034994][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 535.039466][ T8515] __msan_chain_origin+0x57/0xa0 [ 535.045143][ T8868] [ 535.051455][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 535.056353][ T8868] Uninit was stored to memory at: [ 535.058669][ T8515] get_compat_msghdr+0x108/0x2b0 [ 535.063764][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 535.068763][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 535.073670][ T8868] __msan_chain_origin+0x57/0xa0 [ 535.079365][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 535.083842][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 535.088755][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 535.093401][ T8868] get_compat_msghdr+0x108/0x2b0 [ 535.098488][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 535.104523][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 535.109436][ T8515] __do_fast_syscall_32+0x102/0x160 [ 535.115561][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 535.120034][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 535.125208][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 535.129861][ T8515] do_SYSENTER_32+0x73/0x90 [ 535.134684][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 535.140722][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 535.145198][ T8868] __do_fast_syscall_32+0x102/0x160 [ 535.151309][ T8515] [ 535.157620][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 535.162776][ T8515] Uninit was stored to memory at: [ 535.165093][ T8868] do_SYSENTER_32+0x73/0x90 [ 535.169913][ T8515] kmsan_internal_chain_origin+0xad/0x130 [ 535.174914][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 535.179386][ T8515] __msan_chain_origin+0x57/0xa0 [ 535.185066][ T8868] [ 535.191378][ T8515] __get_compat_msghdr+0x6db/0x9d0 [ 535.196275][ T8868] Uninit was stored to memory at: [ 535.198588][ T8515] get_compat_msghdr+0x108/0x2b0 [ 535.203668][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 535.208667][ T8515] do_recvmmsg+0xdd1/0x22f0 [ 535.213576][ T8868] __msan_chain_origin+0x57/0xa0 [ 535.219271][ T8515] __sys_recvmmsg+0x519/0x6f0 [ 535.223745][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 535.228654][ T8515] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 535.233301][ T8868] get_compat_msghdr+0x108/0x2b0 [ 535.238388][ T8515] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 535.244424][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 535.249345][ T8515] __do_fast_syscall_32+0x102/0x160 [ 535.255469][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 535.259947][ T8515] do_fast_syscall_32+0x6a/0xc0 [ 535.265119][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 535.269790][ T8515] do_SYSENTER_32+0x73/0x90 [ 535.274613][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 535.280653][ T8515] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 535.285127][ T8868] __do_fast_syscall_32+0x102/0x160 [ 535.291237][ T8515] [ 535.297554][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 535.302709][ T8515] Local variable ----msg_sys@do_recvmmsg created at: [ 535.305024][ T8868] do_SYSENTER_32+0x73/0x90 [ 535.309844][ T8515] do_recvmmsg+0xbf/0x22f0 [ 535.316493][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 535.320965][ T8515] do_recvmmsg+0xbf/0x22f0 [ 535.325341][ T8868] [ 535.338347][ T8868] Uninit was stored to memory at: [ 535.343384][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 535.349112][ T8868] __msan_chain_origin+0x57/0xa0 [ 535.354050][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 535.359159][ T8868] get_compat_msghdr+0x108/0x2b0 [ 535.364095][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 535.368616][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 535.373293][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 535.379360][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 535.385513][ T8868] __do_fast_syscall_32+0x102/0x160 [ 535.390716][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 535.395571][ T8868] do_SYSENTER_32+0x73/0x90 [ 535.400076][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 535.406385][ T8868] [ 535.408701][ T8868] Uninit was stored to memory at: [ 535.413740][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 535.419453][ T8868] __msan_chain_origin+0x57/0xa0 [ 535.424386][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 535.429494][ T8868] get_compat_msghdr+0x108/0x2b0 [ 535.434427][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 535.438929][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 535.443603][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 535.449666][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 535.455817][ T8868] __do_fast_syscall_32+0x102/0x160 [ 535.461014][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 535.465864][ T8868] do_SYSENTER_32+0x73/0x90 [ 535.470376][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 535.476717][ T8868] [ 535.481989][ T8868] Uninit was stored to memory at: [ 535.487014][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 535.492731][ T8868] __msan_chain_origin+0x57/0xa0 [ 535.497668][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 535.499947][ T8551] not chained 1410000 origins [ 535.502777][ T8868] get_compat_msghdr+0x108/0x2b0 [ 535.507437][ T8551] CPU: 1 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 535.512349][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 535.520984][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 535.525469][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 535.535488][ T8551] Call Trace: [ 535.540149][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 535.543409][ T8551] dump_stack+0x21c/0x280 [ 535.549447][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 535.553764][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 535.559893][ T8868] __do_fast_syscall_32+0x102/0x160 [ 535.565579][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 535.570757][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 535.575925][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 535.580761][ T8868] do_SYSENTER_32+0x73/0x90 [ 535.586538][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 535.591024][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 535.596193][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 535.602477][ T8868] [ 535.608266][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 535.610564][ T8868] Uninit was stored to memory at: [ 535.616614][ T8551] ? __wake_up+0x1fc/0x250 [ 535.621607][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 535.625996][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 535.631685][ T8868] __msan_chain_origin+0x57/0xa0 [ 535.636856][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 535.641766][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 535.647545][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 535.652631][ T8868] get_compat_msghdr+0x108/0x2b0 [ 535.658667][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 535.663579][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 535.668747][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 535.673224][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 535.678834][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 535.683481][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 535.689517][ T8551] ? _copy_from_user+0x1fd/0x300 [ 535.695560][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 535.700467][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 535.706596][ T8868] __do_fast_syscall_32+0x102/0x160 [ 535.711763][ T8551] __msan_chain_origin+0x57/0xa0 [ 535.716955][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 535.721883][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 535.726709][ T8868] do_SYSENTER_32+0x73/0x90 [ 535.731793][ T8551] get_compat_msghdr+0x108/0x2b0 [ 535.736272][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 535.741181][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 535.747480][ T8868] [ 535.751972][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 535.754268][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 535.759445][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 535.766092][ T8868] do_recvmmsg+0xbf/0x22f0 [ 535.771956][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 535.776343][ T8868] do_recvmmsg+0xbf/0x22f0 [ 535.781522][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 535.791533][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 535.796826][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 535.801592][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 535.806367][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 535.811631][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 535.816933][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 535.823045][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 535.829217][ T8551] __do_fast_syscall_32+0x102/0x160 [ 535.834423][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 535.839283][ T8551] do_SYSENTER_32+0x73/0x90 [ 535.843800][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 535.850135][ T8551] RIP: 0023:0xf7fa1549 [ 535.854212][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 535.873930][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 535.882363][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 535.890337][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 535.898320][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 535.906385][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 535.914364][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 535.922345][ T8551] Uninit was stored to memory at: [ 535.927386][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 535.933110][ T8551] __msan_chain_origin+0x57/0xa0 [ 535.938053][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 535.943172][ T8551] get_compat_msghdr+0x108/0x2b0 [ 535.948116][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 535.952678][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 535.957361][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 535.963434][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 535.969751][ T8551] __do_fast_syscall_32+0x102/0x160 [ 535.974959][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 535.979821][ T8551] do_SYSENTER_32+0x73/0x90 [ 535.984340][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 535.990659][ T8551] [ 535.992983][ T8551] Uninit was stored to memory at: [ 535.998011][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 536.003739][ T8551] __msan_chain_origin+0x57/0xa0 [ 536.008687][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 536.013807][ T8551] get_compat_msghdr+0x108/0x2b0 [ 536.018748][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 536.023260][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 536.027945][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 536.034014][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 536.040183][ T8551] __do_fast_syscall_32+0x102/0x160 [ 536.045395][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 536.050255][ T8551] do_SYSENTER_32+0x73/0x90 [ 536.054774][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 536.061091][ T8551] [ 536.063414][ T8551] Uninit was stored to memory at: [ 536.068454][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 536.074184][ T8551] __msan_chain_origin+0x57/0xa0 [ 536.079214][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 536.084334][ T8551] get_compat_msghdr+0x108/0x2b0 [ 536.089279][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 536.093789][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 536.098474][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 536.104551][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 536.110716][ T8551] __do_fast_syscall_32+0x102/0x160 [ 536.115931][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 536.120796][ T8551] do_SYSENTER_32+0x73/0x90 [ 536.125311][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 536.131627][ T8551] [ 536.133948][ T8551] Uninit was stored to memory at: [ 536.138978][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 536.144708][ T8551] __msan_chain_origin+0x57/0xa0 [ 536.149658][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 536.154777][ T8551] get_compat_msghdr+0x108/0x2b0 [ 536.159730][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 536.164238][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 536.168928][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 536.175001][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 536.181160][ T8551] __do_fast_syscall_32+0x102/0x160 [ 536.186383][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 536.191236][ T8551] do_SYSENTER_32+0x73/0x90 [ 536.195746][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 536.202060][ T8551] [ 536.204380][ T8551] Uninit was stored to memory at: [ 536.209412][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 536.215138][ T8551] __msan_chain_origin+0x57/0xa0 [ 536.220083][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 536.225203][ T8551] get_compat_msghdr+0x108/0x2b0 [ 536.230231][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 536.234745][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 536.239425][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 536.245502][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 536.252102][ T8551] __do_fast_syscall_32+0x102/0x160 [ 536.257311][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 536.262170][ T8551] do_SYSENTER_32+0x73/0x90 [ 536.266684][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 536.273000][ T8551] [ 536.275327][ T8551] Uninit was stored to memory at: [ 536.280357][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 536.286169][ T8551] __msan_chain_origin+0x57/0xa0 [ 536.291133][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 536.296254][ T8551] get_compat_msghdr+0x108/0x2b0 [ 536.301198][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 536.306085][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 536.310773][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 536.316850][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 536.323010][ T8551] __do_fast_syscall_32+0x102/0x160 [ 536.328212][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 536.333070][ T8551] do_SYSENTER_32+0x73/0x90 [ 536.337579][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 536.343893][ T8551] [ 536.346219][ T8551] Uninit was stored to memory at: [ 536.351245][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 536.356975][ T8551] __msan_chain_origin+0x57/0xa0 [ 536.361922][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 536.367037][ T8551] get_compat_msghdr+0x108/0x2b0 [ 536.371977][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 536.376490][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 536.381170][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 536.387245][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 536.393404][ T8551] __do_fast_syscall_32+0x102/0x160 [ 536.398649][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 536.403561][ T8551] do_SYSENTER_32+0x73/0x90 [ 536.408072][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 536.414399][ T8551] [ 536.416725][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 536.423404][ T8551] do_recvmmsg+0xbf/0x22f0 [ 536.427818][ T8551] do_recvmmsg+0xbf/0x22f0 [ 536.601418][ T8551] not chained 1420000 origins [ 536.606139][ T8551] CPU: 1 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 536.614808][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 536.624867][ T8551] Call Trace: [ 536.628163][ T8551] dump_stack+0x21c/0x280 [ 536.632497][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 536.638217][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 536.643420][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 536.649225][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 536.654429][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 536.660237][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 536.666309][ T8551] ? __wake_up+0x1fc/0x250 [ 536.670728][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 536.675938][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 536.681749][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 536.687818][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 536.693020][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 536.698659][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 536.704748][ T8551] ? _copy_from_user+0x1fd/0x300 [ 536.709704][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 536.714904][ T8551] __msan_chain_origin+0x57/0xa0 [ 536.719853][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 536.724978][ T8551] get_compat_msghdr+0x108/0x2b0 [ 536.729929][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 536.734442][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 536.739640][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 536.745539][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 536.750740][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 536.756463][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 536.761759][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 536.766525][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 536.771215][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 536.776415][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 536.781627][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 536.787749][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 536.793915][ T8551] __do_fast_syscall_32+0x102/0x160 [ 536.799125][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 536.804014][ T8551] do_SYSENTER_32+0x73/0x90 [ 536.808521][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 536.814847][ T8551] RIP: 0023:0xf7fa1549 [ 536.818939][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 536.838554][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 536.846985][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 536.854964][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 536.862939][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 536.870900][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 536.878866][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 536.886830][ T8551] Uninit was stored to memory at: [ 536.892893][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 536.898605][ T8551] __msan_chain_origin+0x57/0xa0 [ 536.903532][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 536.908632][ T8551] get_compat_msghdr+0x108/0x2b0 [ 536.913558][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 536.918048][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 536.922720][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 536.928797][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 536.934956][ T8551] __do_fast_syscall_32+0x102/0x160 [ 536.940151][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 536.944998][ T8551] do_SYSENTER_32+0x73/0x90 [ 536.949498][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 536.955814][ T8551] [ 536.958127][ T8551] Uninit was stored to memory at: [ 536.963144][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 536.968866][ T8551] __msan_chain_origin+0x57/0xa0 [ 536.973814][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 536.978929][ T8551] get_compat_msghdr+0x108/0x2b0 [ 536.983861][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 536.988373][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 536.993042][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 536.999096][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 537.005241][ T8551] __do_fast_syscall_32+0x102/0x160 [ 537.010428][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 537.015267][ T8551] do_SYSENTER_32+0x73/0x90 [ 537.019759][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 537.026061][ T8551] [ 537.028372][ T8551] Uninit was stored to memory at: [ 537.033385][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 537.039092][ T8551] __msan_chain_origin+0x57/0xa0 [ 537.044018][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 537.049116][ T8551] get_compat_msghdr+0x108/0x2b0 [ 537.054040][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 537.058530][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 537.063198][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 537.069254][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 537.075408][ T8551] __do_fast_syscall_32+0x102/0x160 [ 537.080599][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 537.085441][ T8551] do_SYSENTER_32+0x73/0x90 [ 537.089935][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 537.096241][ T8551] [ 537.098551][ T8551] Uninit was stored to memory at: [ 537.103565][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 537.109268][ T8551] __msan_chain_origin+0x57/0xa0 [ 537.114195][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 537.119293][ T8551] get_compat_msghdr+0x108/0x2b0 [ 537.124236][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 537.128726][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 537.133398][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 537.139453][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 537.145597][ T8551] __do_fast_syscall_32+0x102/0x160 [ 537.150783][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 537.155622][ T8551] do_SYSENTER_32+0x73/0x90 [ 537.160116][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 537.166420][ T8551] [ 537.168745][ T8551] Uninit was stored to memory at: [ 537.173757][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 537.179462][ T8551] __msan_chain_origin+0x57/0xa0 [ 537.184392][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 537.189494][ T8551] get_compat_msghdr+0x108/0x2b0 [ 537.194420][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 537.198910][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 537.203579][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 537.209633][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 537.215777][ T8551] __do_fast_syscall_32+0x102/0x160 [ 537.220970][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 537.225814][ T8551] do_SYSENTER_32+0x73/0x90 [ 537.230308][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 537.236610][ T8551] [ 537.238920][ T8551] Uninit was stored to memory at: [ 537.243930][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 537.249636][ T8551] __msan_chain_origin+0x57/0xa0 [ 537.254561][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 537.259658][ T8551] get_compat_msghdr+0x108/0x2b0 [ 537.264584][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 537.269074][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 537.273740][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 537.279794][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 537.285936][ T8551] __do_fast_syscall_32+0x102/0x160 [ 537.291125][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 537.295964][ T8551] do_SYSENTER_32+0x73/0x90 [ 537.300469][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 537.306775][ T8551] [ 537.309108][ T8551] Uninit was stored to memory at: [ 537.314119][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 537.319823][ T8551] __msan_chain_origin+0x57/0xa0 [ 537.324752][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 537.329851][ T8551] get_compat_msghdr+0x108/0x2b0 [ 537.334776][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 537.339327][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 537.343994][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 537.350049][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 537.356192][ T8551] __do_fast_syscall_32+0x102/0x160 [ 537.361380][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 537.366218][ T8551] do_SYSENTER_32+0x73/0x90 [ 537.370714][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 537.377033][ T8551] [ 537.379346][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 537.386021][ T8551] do_recvmmsg+0xbf/0x22f0 [ 537.390520][ T8551] do_recvmmsg+0xbf/0x22f0 [ 537.459654][ T8868] not chained 1430000 origins [ 537.464372][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 537.473037][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 537.483112][ T8868] Call Trace: [ 537.486413][ T8868] dump_stack+0x21c/0x280 [ 537.490744][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 537.496469][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 537.501671][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 537.507505][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 537.512707][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 537.518521][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 537.524601][ T8868] ? __wake_up+0x1fc/0x250 [ 537.529023][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 537.534229][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 537.540043][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 537.546112][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 537.551313][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 537.556953][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 537.563025][ T8868] ? _copy_from_user+0x1fd/0x300 [ 537.567964][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 537.573164][ T8868] __msan_chain_origin+0x57/0xa0 [ 537.578104][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 537.583309][ T8868] get_compat_msghdr+0x108/0x2b0 [ 537.588252][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 537.592766][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 537.597972][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 537.603867][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 537.609067][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 537.614706][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 537.619996][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 537.624764][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 537.629440][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 537.634638][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 537.639840][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 537.645918][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 537.652085][ T8868] __do_fast_syscall_32+0x102/0x160 [ 537.657292][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 537.660291][ T8551] not chained 1440000 origins [ 537.662143][ T8868] do_SYSENTER_32+0x73/0x90 [ 537.671274][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 537.677582][ T8868] RIP: 0023:0xf7fcc549 [ 537.681637][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 537.701226][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 537.709627][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 537.717593][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 537.725547][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 537.733518][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 537.741489][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 537.749460][ T8868] Uninit was stored to memory at: [ 537.749476][ T8551] CPU: 0 PID: 8551 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0 [ 537.749494][ T8551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 537.754516][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 537.763153][ T8551] Call Trace: [ 537.773203][ T8868] __msan_chain_origin+0x57/0xa0 [ 537.778895][ T8551] dump_stack+0x21c/0x280 [ 537.782156][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 537.787071][ T8551] kmsan_internal_chain_origin+0x6f/0x130 [ 537.791370][ T8868] get_compat_msghdr+0x108/0x2b0 [ 537.796458][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 537.802146][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 537.807058][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 537.812225][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 537.816786][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 537.822566][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 537.827227][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 537.832399][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 537.838437][ T8551] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 537.844233][ T8868] __do_fast_syscall_32+0x102/0x160 [ 537.850355][ T8551] ? __wake_up+0x1fc/0x250 [ 537.856391][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 537.861560][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 537.865950][ T8868] do_SYSENTER_32+0x73/0x90 [ 537.870771][ T8551] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 537.875949][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 537.880421][ T8551] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 537.886192][ T8868] [ 537.892503][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 537.898616][ T8868] Uninit was stored to memory at: [ 537.900931][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 537.906099][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 537.911102][ T8551] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 537.916724][ T8868] __msan_chain_origin+0x57/0xa0 [ 537.922442][ T8551] ? _copy_from_user+0x1fd/0x300 [ 537.928492][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 537.933415][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 537.938326][ T8868] get_compat_msghdr+0x108/0x2b0 [ 537.943408][ T8551] __msan_chain_origin+0x57/0xa0 [ 537.948581][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 537.953492][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 537.958400][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 537.962877][ T8551] get_compat_msghdr+0x108/0x2b0 [ 537.967966][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 537.972617][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 537.977528][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 537.983567][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 537.988048][ T8868] __do_fast_syscall_32+0x102/0x160 [ 537.994167][ T8551] ? kmsan_internal_check_memory+0xb1/0x520 [ 537.999338][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 538.004509][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 538.010374][ T8868] do_SYSENTER_32+0x73/0x90 [ 538.015196][ T8551] ? kmsan_internal_set_origin+0x85/0xc0 [ 538.020372][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 538.024841][ T8551] ? __msan_poison_alloca+0xe9/0x110 [ 538.030448][ T8868] [ 538.036763][ T8551] ? __sys_recvmmsg+0xb5/0x6f0 [ 538.042064][ T8868] Uninit was stored to memory at: [ 538.044381][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 538.049116][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 538.054110][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 538.058758][ T8868] __msan_chain_origin+0x57/0xa0 [ 538.064452][ T8551] ? kmsan_get_metadata+0x116/0x180 [ 538.069635][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 538.074548][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 538.079715][ T8868] get_compat_msghdr+0x108/0x2b0 [ 538.084798][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 538.090848][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 538.095761][ T8551] __do_fast_syscall_32+0x102/0x160 [ 538.101883][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 538.106360][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 538.111529][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 538.116177][ T8551] do_SYSENTER_32+0x73/0x90 [ 538.121005][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 538.127135][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 538.131608][ T8868] __do_fast_syscall_32+0x102/0x160 [ 538.137740][ T8551] RIP: 0023:0xf7fa1549 [ 538.144045][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 538.149213][ T8551] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 538.153256][ T8868] do_SYSENTER_32+0x73/0x90 [ 538.158071][ T8551] RSP: 002b:00000000f55590cc EFLAGS: 00000296 [ 538.177659][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 538.182297][ T8551] ORIG_RAX: 0000000000000151 [ 538.188328][ T8868] [ 538.194634][ T8551] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020004000 [ 538.199276][ T8868] Uninit was stored to memory at: [ 538.201587][ T8551] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 538.209540][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 538.214616][ T8551] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 538.222564][ T8868] __msan_chain_origin+0x57/0xa0 [ 538.228251][ T8551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 538.236203][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 538.241107][ T8551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 538.249056][ T8868] get_compat_msghdr+0x108/0x2b0 [ 538.254130][ T8551] Uninit was stored to memory at: [ 538.262088][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 538.266998][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 538.271998][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 538.276475][ T8551] __msan_chain_origin+0x57/0xa0 [ 538.282166][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 538.286811][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 538.291896][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 538.298020][ T8551] get_compat_msghdr+0x108/0x2b0 [ 538.303109][ T8868] __do_fast_syscall_32+0x102/0x160 [ 538.309230][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 538.314140][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 538.319310][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 538.323785][ T8868] do_SYSENTER_32+0x73/0x90 [ 538.328606][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 538.333258][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 538.337731][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 538.343762][ T8868] [ 538.350087][ T8551] __do_fast_syscall_32+0x102/0x160 [ 538.356213][ T8868] Uninit was stored to memory at: [ 538.358530][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 538.363708][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 538.368708][ T8551] do_SYSENTER_32+0x73/0x90 [ 538.373527][ T8868] __msan_chain_origin+0x57/0xa0 [ 538.379223][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 538.383693][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 538.388591][ T8551] [ 538.394901][ T8868] get_compat_msghdr+0x108/0x2b0 [ 538.399977][ T8551] Uninit was stored to memory at: [ 538.402291][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 538.407217][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 538.412217][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 538.416703][ T8551] __msan_chain_origin+0x57/0xa0 [ 538.422398][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 538.427045][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 538.431976][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 538.438008][ T8551] get_compat_msghdr+0x108/0x2b0 [ 538.443094][ T8868] __do_fast_syscall_32+0x102/0x160 [ 538.449215][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 538.454126][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 538.459294][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 538.463769][ T8868] do_SYSENTER_32+0x73/0x90 [ 538.468602][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 538.473254][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 538.477730][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 538.483754][ T8868] [ 538.490077][ T8551] __do_fast_syscall_32+0x102/0x160 [ 538.496188][ T8868] Uninit was stored to memory at: [ 538.498507][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 538.503673][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 538.508765][ T8551] do_SYSENTER_32+0x73/0x90 [ 538.513584][ T8868] __msan_chain_origin+0x57/0xa0 [ 538.519281][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 538.523752][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 538.528648][ T8551] [ 538.534957][ T8868] get_compat_msghdr+0x108/0x2b0 [ 538.540028][ T8551] Uninit was stored to memory at: [ 538.542343][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 538.547250][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 538.552251][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 538.556721][ T8551] __msan_chain_origin+0x57/0xa0 [ 538.562421][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 538.567067][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 538.571984][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 538.578021][ T8551] get_compat_msghdr+0x108/0x2b0 [ 538.583109][ T8868] __do_fast_syscall_32+0x102/0x160 [ 538.589231][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 538.594144][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 538.599312][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 538.603788][ T8868] do_SYSENTER_32+0x73/0x90 [ 538.608608][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 538.613271][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 538.617746][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 538.623770][ T8868] [ 538.630082][ T8551] __do_fast_syscall_32+0x102/0x160 [ 538.636196][ T8868] Uninit was stored to memory at: [ 538.638514][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 538.643698][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 538.648696][ T8551] do_SYSENTER_32+0x73/0x90 [ 538.653515][ T8868] __msan_chain_origin+0x57/0xa0 [ 538.659210][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 538.663681][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 538.668580][ T8551] [ 538.674889][ T8868] get_compat_msghdr+0x108/0x2b0 [ 538.679961][ T8551] Uninit was stored to memory at: [ 538.682281][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 538.687193][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 538.692190][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 538.696663][ T8551] __msan_chain_origin+0x57/0xa0 [ 538.702356][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 538.707004][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 538.711916][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 538.717950][ T8551] get_compat_msghdr+0x108/0x2b0 [ 538.723046][ T8868] __do_fast_syscall_32+0x102/0x160 [ 538.729179][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 538.734088][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 538.739258][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 538.743755][ T8868] do_SYSENTER_32+0x73/0x90 [ 538.748682][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 538.753340][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 538.757809][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 538.763852][ T8868] [ 538.770181][ T8551] __do_fast_syscall_32+0x102/0x160 [ 538.776297][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 538.778615][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 538.783800][ T8868] do_recvmmsg+0xbf/0x22f0 [ 538.790448][ T8551] do_SYSENTER_32+0x73/0x90 [ 538.795272][ T8868] do_recvmmsg+0xbf/0x22f0 [ 538.799697][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 538.814961][ T8551] [ 538.817417][ T8551] Uninit was stored to memory at: [ 538.822492][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 538.828300][ T8551] __msan_chain_origin+0x57/0xa0 [ 538.833280][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 538.838391][ T8551] get_compat_msghdr+0x108/0x2b0 [ 538.843340][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 538.847844][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 538.852525][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 538.858592][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 538.864752][ T8551] __do_fast_syscall_32+0x102/0x160 [ 538.869961][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 538.874812][ T8551] do_SYSENTER_32+0x73/0x90 [ 538.879320][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 538.885635][ T8551] [ 538.887960][ T8551] Uninit was stored to memory at: [ 538.892987][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 538.898710][ T8551] __msan_chain_origin+0x57/0xa0 [ 538.903650][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 538.908763][ T8551] get_compat_msghdr+0x108/0x2b0 [ 538.913702][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 538.918209][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 538.922908][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 538.928987][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 538.935241][ T8551] __do_fast_syscall_32+0x102/0x160 [ 538.940448][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 538.945307][ T8551] do_SYSENTER_32+0x73/0x90 [ 538.949817][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 538.956132][ T8551] [ 538.958454][ T8551] Uninit was stored to memory at: [ 538.963482][ T8551] kmsan_internal_chain_origin+0xad/0x130 [ 538.969210][ T8551] __msan_chain_origin+0x57/0xa0 [ 538.974153][ T8551] __get_compat_msghdr+0x6db/0x9d0 [ 538.979267][ T8551] get_compat_msghdr+0x108/0x2b0 [ 538.984212][ T8551] do_recvmmsg+0xdd1/0x22f0 [ 538.988715][ T8551] __sys_recvmmsg+0x519/0x6f0 [ 538.993438][ T8551] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 538.999508][ T8551] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 539.005672][ T8551] __do_fast_syscall_32+0x102/0x160 [ 539.010873][ T8551] do_fast_syscall_32+0x6a/0xc0 [ 539.015735][ T8551] do_SYSENTER_32+0x73/0x90 [ 539.020242][ T8551] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 539.026554][ T8551] [ 539.028877][ T8551] Local variable ----msg_sys@do_recvmmsg created at: [ 539.035555][ T8551] do_recvmmsg+0xbf/0x22f0 [ 539.039976][ T8551] do_recvmmsg+0xbf/0x22f0 [ 539.656248][ T8868] not chained 1450000 origins [ 539.660975][ T8868] CPU: 0 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 539.669675][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 539.679742][ T8868] Call Trace: [ 539.683052][ T8868] dump_stack+0x21c/0x280 [ 539.687400][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 539.693131][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 539.698346][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 539.704166][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 539.709370][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 539.715183][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 539.721258][ T8868] ? __wake_up+0x1fc/0x250 [ 539.725679][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 539.730880][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 539.736691][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 539.742758][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 539.747964][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 539.753610][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 539.759681][ T8868] ? _copy_from_user+0x1fd/0x300 [ 539.764633][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 539.769835][ T8868] __msan_chain_origin+0x57/0xa0 [ 539.774775][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 539.779896][ T8868] get_compat_msghdr+0x108/0x2b0 [ 539.784840][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 539.789355][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 539.794583][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 539.800484][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 539.805681][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 539.811335][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 539.816626][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 539.821404][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 539.826085][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 539.831287][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 539.836494][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 539.842568][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 539.848728][ T8868] __do_fast_syscall_32+0x102/0x160 [ 539.853933][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 539.858796][ T8868] do_SYSENTER_32+0x73/0x90 [ 539.863309][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 539.869631][ T8868] RIP: 0023:0xf7fcc549 [ 539.873832][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 539.893443][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 539.901867][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 539.909840][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 539.917820][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 539.925813][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 539.933843][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 539.941856][ T8868] Uninit was stored to memory at: [ 539.946996][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 539.952718][ T8868] __msan_chain_origin+0x57/0xa0 [ 539.957662][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 539.962775][ T8868] get_compat_msghdr+0x108/0x2b0 [ 539.967714][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 539.972220][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 539.976899][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 539.982974][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 539.989134][ T8868] __do_fast_syscall_32+0x102/0x160 [ 539.994986][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 539.999840][ T8868] do_SYSENTER_32+0x73/0x90 [ 540.004352][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 540.010669][ T8868] [ 540.012989][ T8868] Uninit was stored to memory at: [ 540.018019][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 540.023738][ T8868] __msan_chain_origin+0x57/0xa0 [ 540.028678][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 540.033790][ T8868] get_compat_msghdr+0x108/0x2b0 [ 540.038736][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 540.043239][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 540.047922][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 540.053996][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 540.060155][ T8868] __do_fast_syscall_32+0x102/0x160 [ 540.065358][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 540.070212][ T8868] do_SYSENTER_32+0x73/0x90 [ 540.074750][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 540.081066][ T8868] [ 540.083439][ T8868] Uninit was stored to memory at: [ 540.088466][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 540.094187][ T8868] __msan_chain_origin+0x57/0xa0 [ 540.099127][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 540.104240][ T8868] get_compat_msghdr+0x108/0x2b0 [ 540.109191][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 540.113698][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 540.118466][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 540.124536][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 540.130695][ T8868] __do_fast_syscall_32+0x102/0x160 [ 540.135898][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 540.140751][ T8868] do_SYSENTER_32+0x73/0x90 [ 540.145264][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 540.151600][ T8868] [ 540.153920][ T8868] Uninit was stored to memory at: [ 540.158944][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 540.164665][ T8868] __msan_chain_origin+0x57/0xa0 [ 540.169610][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 540.174724][ T8868] get_compat_msghdr+0x108/0x2b0 [ 540.179663][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 540.184173][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 540.188857][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 540.194928][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 540.201088][ T8868] __do_fast_syscall_32+0x102/0x160 [ 540.206288][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 540.211143][ T8868] do_SYSENTER_32+0x73/0x90 [ 540.215652][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 540.221970][ T8868] [ 540.224295][ T8868] Uninit was stored to memory at: [ 540.229331][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 540.235049][ T8868] __msan_chain_origin+0x57/0xa0 [ 540.239995][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 540.245107][ T8868] get_compat_msghdr+0x108/0x2b0 [ 540.250058][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 540.254565][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 540.259245][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 540.265313][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 540.271471][ T8868] __do_fast_syscall_32+0x102/0x160 [ 540.276684][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 540.281553][ T8868] do_SYSENTER_32+0x73/0x90 [ 540.286067][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 540.292387][ T8868] [ 540.294711][ T8868] Uninit was stored to memory at: [ 540.299744][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 540.305471][ T8868] __msan_chain_origin+0x57/0xa0 [ 540.310417][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 540.315537][ T8868] get_compat_msghdr+0x108/0x2b0 [ 540.320470][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 540.324953][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 540.329611][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 540.335692][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 540.341830][ T8868] __do_fast_syscall_32+0x102/0x160 [ 540.347010][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 540.351840][ T8868] do_SYSENTER_32+0x73/0x90 [ 540.356323][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 540.362617][ T8868] [ 540.364935][ T8868] Uninit was stored to memory at: [ 540.369937][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 540.375632][ T8868] __msan_chain_origin+0x57/0xa0 [ 540.380558][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 540.385645][ T8868] get_compat_msghdr+0x108/0x2b0 [ 540.390570][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 540.395065][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 540.399723][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 540.405788][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 540.411924][ T8868] __do_fast_syscall_32+0x102/0x160 [ 540.417099][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 540.421924][ T8868] do_SYSENTER_32+0x73/0x90 [ 540.426406][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 540.432711][ T8868] [ 540.435014][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 540.441678][ T8868] do_recvmmsg+0xbf/0x22f0 [ 540.446068][ T8868] do_recvmmsg+0xbf/0x22f0 08:47:01 executing program 0: sendmsg$unix(0xffffffffffffffff, &(0x7f00000011c0)={0x0, 0x0, 0x0}, 0x0) [ 540.641961][ T8806] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 08:47:01 executing program 3: ftruncate(0xffffffffffffffff, 0xffffcbb8) fchmodat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0xc0) r0 = creat(&(0x7f0000001440)='./file0\x00', 0x43) connect$unix(r0, &(0x7f0000001480)=@abs={0x0, 0x0, 0x4e24}, 0x6e) r1 = syz_mount_image$nfs(&(0x7f0000001500)='nfs\x00', &(0x7f0000001540)='./file0\x00', 0x200, 0x6, &(0x7f0000001940)=[{&(0x7f0000001580)="6522ee6c7eb7a8f0a2c775ab45e1bb59d6f77969203db698d53af7035ac549bbf8553f33645d9d15a0175ee0aed01967ad9914db8722632d5e4441569c00163247de658f484145bcfcfefabc4044053a31235f6e41f35a8c126f4e02d3030f65b26039441f34a2b01381c2dece928a01b45b", 0x72, 0x2}, {&(0x7f0000001600)="569548d4df08886b0a047438e6628f197832ea59a46e55f660e63c1f5e2ce44a527abf1663e58e8e2f0785d15549a0152b51153c18095dc62086c119ebf679336b1f10181335a5e7d7a064dde6b709facc975d97850dfd0da7637c19db760f5ecbf6550a01ad4e3d6997e1f413d368fe0f8ccc8c6568902faa7581cf5b0c50c10aa8c46687f205b6af5231999005a6b53b9ea649a4aa11280cb6722d0b504be79388ab29f575ce84caa0a9599edded71e4561bafcc13b04d455c79c9be35f302cdd3056c65adf92f8a0ee4bfcfffa0", 0xcf, 0x7fff}, {&(0x7f0000001700)="efe496ab1dd3b8c1e112830bea2038cf7d8cb00018a8c57d86b83580c8b764", 0x1f, 0x1f}, {&(0x7f0000001740)="8eedd65a43a4351e7f80f28013187ad455ad6ac420c5b3780ad3b28ed4d306ff8fcee3c052b5bce1a5922848946ebe66b076e4c6e82f507e94b4", 0x3a, 0xfff}, {&(0x7f0000001780)="245995547be440209e24450fe526a7d0da0b970f6b720e58430a2fcd341ca17efc1ca53bb40b084a156140298f5f7ad704d41c70503d4edfc1ec9745a28f1acfa19c30b55207cde7d936ab0a602b6faf45c3b96d340e264e0c9b9d47a7c589aca851382829ec8412fad5459e3dbfb065ea6c6ebb2a8ee7c531b5693f26e8d6382c57ff5acde8001535bab657038bfad3828d6b1d970b09ee8bb76bbb5a5f54eaecd5dc4e140d5b624e530e758036", 0xae, 0x7fff}, {&(0x7f0000001840)="aceeb6b07d00748913fbc984b0b9f95684747c3c873f996f9ca673ab51cf325b0715e44077bf16ac496bdb520c91de991cf3d491d004fa4b0f28c68de7df4013d41ca220812eb4b349e7d64ee1b1b8d9d3e586dbab576ac2a941af5b49af148f55cb669215667b6f7bb0e293031970e7473fa69a49466607fb236b719c9b9a4828a842458b7b0a1e913ae962aa9f57c320350b8dac71f4a456e8aafaf7d5d8c9e7d2cfb0de75803c87c37a69a045d4720435c3a497143e222032b54e46cf8c689eed71e5a3693414bb6798bbab25c26fdbd9041d674fb2b5639d95e82f04426acf70410a7761", 0xe6, 0x10001}], 0x2001c60, &(0x7f00000019c0)={[{}, {'.\\-'}, {'#]&'}, {'@!:'}, {}, {}, {'.'}, {}, {}, {')-'}], [{@smackfstransmute={'smackfstransmute', 0x3d, '!%)}+*'}}, {@fsuuid={'fsuuid', 0x3d, {[0x33, 0x37, 0x38, 0x36, 0x6b, 0x61, 0x63, 0x67], 0x2d, [0x63, 0x62, 0x39, 0x66], 0x2d, [0x63, 0x63, 0x50, 0x35], 0x2d, [0x32, 0x32, 0x92a0d12db106ad8b], 0x2d, [0x64, 0x31, 0x36, 0x61, 0x62, 0x38, 0x31, 0x39]}}}, {@smackfsroot={'smackfsroot', 0x3d, 'VJ-['}}]}) fstat(r1, &(0x7f0000001a40)) creat(&(0x7f0000001ac0)='./file0\x00', 0x0) chdir(&(0x7f0000001b00)='./file0\x00') vmsplice(0xffffffffffffffff, &(0x7f0000001d00)=[{&(0x7f0000001b40)="7a5eb33dddb5ba6ecd23bb96bf56a99524f5b40aca0a388fbc90df6947bbf62ba8daf80174ca4fe621696c7104e5e5cca2d242cfdfc92eb625a08fa3e27e57d9c398483c0d893e6ee21d3c402ea64b19dfca9c41681291fae5fd974ef4005b5544353754edafa9e0e7909836b4ac24361bf4a85aa17d175d510eee8227eaa7091649ade3b1932324738fdac006935403df33dc982f60ef3bd6bcc74beb991827ed2d2778379e54f6e3790bc7ad8a6a6bc4ce9e2d4611749900f9265ea345f99b6d5ca8add740bbb0e08bae748d9e9a007fc045b9157f21754602f22ea7", 0xdd}, {&(0x7f0000001c40)="d63c551ebbb49bc06a00fac51f1300b9fc12b6fac1ebdf581e0e8eb3279ca2f66d0ce3b3ec4408a0d8633e0d8e9c597ecbeb4356a711ca75d665de66bb81c6856f28131c5a7dbf9b2d51790f6e8925c69ceae570622019b04096fc8e3dee22874b323062c6d7cfcc44bb8794ffaefee04762383e46166cf4bbbdb10402fe998b64aa6fbea3bea2cadaf37769440b737c97eea577", 0x94}], 0x2, 0x2) ioctl$EXT4_IOC_SWAP_BOOT(r1, 0x6611) setsockopt$IPT_SO_SET_REPLACE(r0, 0x0, 0x40, &(0x7f0000001dc0)=@mangle={'mangle\x00', 0x1f, 0x6, 0x41c, 0x94, 0x168, 0x94, 0x168, 0x1fc, 0x388, 0x388, 0x388, 0x388, 0x388, 0x6, &(0x7f0000001d40), {[{{@uncond, 0x0, 0x70, 0x94}, @unspec=@CHECKSUM={0x24, 'CHECKSUM\x00'}}, {{@ip={@local, @multicast1, 0x0, 0xffffff00, 'bridge_slave_0\x00', 'bond_slave_0\x00', {0xff}, {0xff}, 0x2, 0x0, 0x20}, 0x0, 0xb0, 0xd4, 0x0, {}, [@common=@set={{0x40, 'set\x00'}, {{0x1, [0x7, 0x1, 0x1, 0x3, 0x1, 0x3], 0x6, 0x1}}}]}, @ECN={0x24, 'ECN\x00', 0x0, {0x20, 0x40}}}, {{@ip={@private=0xa010100, @empty, 0xff000000, 0xff, 'ipvlan1\x00', 'netpci0\x00', {0xff}, {0x8e90250c4c94c55c}, 0x73, 0x3, 0x8}, 0x0, 0x70, 0x94}, @unspec=@CHECKSUM={0x24, 'CHECKSUM\x00'}}, {{@ip={@rand_addr=0x64010102, @loopback, 0x0, 0xffffffff, 'hsr0\x00', 'team_slave_0\x00', {}, {}, 0x1d, 0x1, 0xdef5d08c070130c4}, 0x0, 0xd4, 0xf8, 0x0, {}, [@common=@set={{0x40, 'set\x00'}, {{0x2, [0x0, 0x4, 0x0, 0x4, 0x0, 0x4], 0x1, 0x5}}}, @inet=@rpfilter={{0x24, 'rpfilter\x00'}, {0x3}}]}, @TTL={0x24, 'TTL\x00', 0x0, {0x0, 0x2}}}, {{@uncond, 0x0, 0x70, 0x94}, @ECN={0x24, 'ECN\x00', 0x0, {0x10, 0x8, 0x1}}}], {{[], 0x0, 0x70, 0x94}, {0x24}}}}, 0x478) creat(&(0x7f0000002240)='./file0\x00', 0x40) r2 = open(&(0x7f0000002280)='./file0\x00', 0x680201, 0x60) fsetxattr$trusted_overlay_redirect(r2, &(0x7f00000022c0)='trusted.overlay.redirect\x00', &(0x7f0000002300)='./file0\x00', 0x8, 0x2) pipe(&(0x7f0000002340)) bind$alg(r0, &(0x7f0000002380)={0x26, 'rng\x00', 0x0, 0x0, 'drbg_nopr_sha1\x00'}, 0x58) faccessat2(r2, &(0x7f0000002400)='./file0\x00', 0x80, 0x100) r3 = openat$autofs(0xffffff9c, &(0x7f0000002440)='/dev/autofs\x00', 0x50000, 0x0) ioctl$KVM_SIGNAL_MSI(r3, 0x4020aea5, &(0x7f0000002480)={0x0, 0x6000, 0x1f, 0x0, 0x4}) setns(r3, 0x4000000) 08:47:01 executing program 4: r0 = syz_io_uring_setup(0x6ae2, &(0x7f0000000000)={0x0, 0xc64f, 0x8, 0x1, 0x3e8}, &(0x7f0000ffd000/0x1000)=nil, &(0x7f0000ffc000/0x2000)=nil, &(0x7f0000000080)=0x0, &(0x7f00000000c0)=0x0) r3 = epoll_create1(0x0) r4 = io_uring_register$IORING_REGISTER_PERSONALITY(r0, 0x9, 0x0, 0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000140)=@IORING_OP_EPOLL_CTL=@add={0x1d, 0x2, 0x0, r3, &(0x7f0000000100)={0x2}, r0, 0x1, 0x0, 0x0, {0x0, r4}}, 0x80000001) r5 = mmap$IORING_OFF_SQES(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x2, 0x8010, r0, 0x10000000) syz_io_uring_submit(r1, r5, &(0x7f0000000180)=@IORING_OP_FALLOCATE={0x11, 0x5, 0x0, @fd=r0, 0xf1e3, 0x0, 0x0, 0x0, 0x1, {0x0, r4}}, 0x7) ioctl$BTRFS_IOC_DEFRAG(r0, 0x50009402, 0x0) epoll_wait(r3, &(0x7f00000001c0)=[{}, {}, {}, {}], 0x4, 0x81) epoll_create1(0x0) munlock(&(0x7f0000ffa000/0x4000)=nil, 0x4000) epoll_create1(0x80000) r6 = accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000000200)={0x28, 0x0, 0x0, @hyper}, 0x10, 0x80000) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f0000000240)={'team0\x00', 0x0}) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000001ac0)={'ip6gre0\x00', &(0x7f0000001a40)={'ip6tnl0\x00', r7, 0x0, 0x3, 0x7, 0x8, 0x41, @local, @initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x40, 0x700, 0x80000000, 0x10001}}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000001b80)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000001b40)={&(0x7f0000001b00)=@gettfilter={0x3c, 0x2e, 0x100, 0x70bd27, 0x25dfdbff, {0x0, 0x0, 0x0, r8, {0xffe0, 0xffe0}, {0xd1c30e7e1ca3f6ba, 0x1}, {0x6, 0x7}}, [{0x8, 0xb, 0x1}, {0x8, 0xb, 0x20}, {0x8, 0xb, 0x85}]}, 0x3c}, 0x1, 0x0, 0x0, 0x48001}, 0x0) r9 = syz_genetlink_get_family_id$l2tp(&(0x7f0000001c00)='l2tp\x00') r10 = syz_open_dev$vcsu(&(0x7f0000001c40)='/dev/vcsu#\x00', 0x3ff, 0x480000) sendmsg$L2TP_CMD_TUNNEL_CREATE(0xffffffffffffffff, &(0x7f0000001d00)={&(0x7f0000001bc0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000001cc0)={&(0x7f0000001c80)={0x3c, r9, 0x200, 0x70bd2a, 0x25dfdbff, {}, [@L2TP_ATTR_UDP_DPORT={0x6, 0x1b, 0x4e22}, @L2TP_ATTR_PW_TYPE={0x6, 0x1, 0x7}, @L2TP_ATTR_PEER_SESSION_ID={0x8, 0xc, 0x3}, @L2TP_ATTR_FD={0x8, 0x17, @l2tp6=r10}, @L2TP_ATTR_MRU={0x6, 0x1d, 0xb62d}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x80) io_uring_enter(0xffffffffffffffff, 0x19e1, 0xbc24, 0x0, &(0x7f0000001d40)={[0x9, 0xc7f4]}, 0x8) ioctl$EXT4_IOC_MIGRATE(r3, 0x6609) 08:47:01 executing program 5: close(0xffffffffffffffff) pwritev2(0xffffffffffffffff, &(0x7f0000000340)=[{&(0x7f0000000000)="331869a4b903d17615b11fda31a24ba67b633c42113049e7283d7f075e4e081918a1bee5fd41cbd8ac2a3449e69c476468d58f0a001a2db7f0bdd466ed6e30772dc4c767a3b0b41e846012c569874b4a5fbc2bc7fb4344b1140a66db03bfdfb237de1fa77b79c1114e809106b47339eea7ee71eed605e08a9f05d943cbaf2f31ca5d1f703553f8bb5f7381b991208dbca1b265857531a577985f06d7dfb82f5ae694d5cf14f5d4abb818b89938ae2d23010e3fe720eea44a6bda964b5569ab8ef3", 0xc1}, {&(0x7f0000000100)="d73ab817f831b03ce75039ba359fc2f134b015d50ed2c338330b4bd2557e5afebe7d05d4b0658e8d4cd3ab43f501e02ffe5bb9d183da86540ed81eaf5c95945991b821be93ddbb24e2c52738e21a5713bfc05d8410d8d786114349cddd1d47ab9d475a09c8da0919cd762a710b9f0f1bbe4bfd6934bc2d659838d36e68f5b0a90e91501455f93846a4b01c9a9063317efd93bab21e", 0x95}, {&(0x7f00000001c0)="156bdb50d4bb06535525e88e3ea839ecff0a3f074dcb33b85b02098f5dfeffa74286c723fa0c77571a039d5607a3e9b2c01b54f9a5721d9ece13cae1147ba7970b1318abb428bc3c7e7e412371b0dbb1ac747d2c8835fbeb4e595cc440103012def8c011d938fb16e3f0d8c52c1e005696ca1946c5e75a1e166c67446369f1cf1933811ceda4b4a535a2a30db05d478e1e171b79b49b3738eb9eb32f02d2673c143925bb5bb7ad659687b0401eccf9734ee2b6d45064dfcd13d6a4b1d826798655ab96d0476cf3201a203dc4", 0xcc}, {&(0x7f00000002c0)="41467dec2de800c644e3cd116f86a6e17b73ea75f1b2d509f57598b2443ed14726fe021e18e9f1ea455d0faf26ed6e5a3350ce724f", 0x35}, {&(0x7f0000000300)="ea81cf09cf633e78", 0x8}], 0x5, 0x0, 0x5, 0x4) ioctl$SNDRV_TIMER_IOCTL_INFO(0xffffffffffffffff, 0x80e05411, &(0x7f0000000380)=""/11) ioctl$SIOCX25SFACILITIES(0xffffffffffffffff, 0x89e3, &(0x7f00000003c0)={0x59, 0xd6, 0xa, 0xa, 0x2}) r0 = socket$vsock_stream(0x28, 0x1, 0x0) sendto(r0, &(0x7f0000000400)="d88bde708b27b50ba8dd76650f6baa44d217e58617e667004a26d21cc37b77ca0562cb06c5fce4a3e5588f720e", 0x2d, 0x4046881, 0x0, 0x0) bind$x25(0xffffffffffffffff, &(0x7f0000000440)={0x9, @remote={[], 0x2}}, 0x12) r1 = openat$mice(0xffffff9c, &(0x7f0000000480)='/dev/input/mice\x00', 0x20000) connect$vsock_stream(r1, &(0x7f00000004c0)={0x28, 0x0, 0xffffffff, @hyper}, 0x10) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000500)={'batadv0\x00', 0x0}) r3 = openat$proc_capi20(0xffffff9c, &(0x7f0000000540)='/proc/capi/capi20\x00', 0x200, 0x0) r4 = syz_genetlink_get_family_id$batadv(&(0x7f00000005c0)='batadv\x00') sendmsg$BATADV_CMD_SET_VLAN(r3, &(0x7f0000000680)={&(0x7f0000000580)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x1c, r4, 0x200, 0x70bd25, 0x25dfdbfb, {}, [@BATADV_ATTR_HARD_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000000}, 0x900) sendmsg$nl_route(r3, &(0x7f0000000780)={&(0x7f00000006c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000740)={&(0x7f0000000700)=@ipv4_newnexthop={0x18, 0x68, 0x8, 0x70bd25, 0x25dfdbfc, {0x2, 0x0, 0x4, 0x0, 0x24}}, 0x18}, 0x1, 0x0, 0x0, 0x10}, 0x14044060) r5 = syz_usbip_server_init(0x5) ioctl$F2FS_IOC_WRITE_CHECKPOINT(r5, 0xf507, 0x0) r6 = syz_open_dev$mouse(&(0x7f00000007c0)='/dev/input/mouse#\x00', 0xd67b, 0x40) sendmsg$nl_route(r6, &(0x7f00000008c0)={&(0x7f0000000800)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000880)={&(0x7f0000000840)=@dellinkprop={0x20, 0x6d, 0x1, 0x70bd25, 0x25dfdbfd, {0x0, 0x0, 0x0, r2, 0x2000, 0x4804}}, 0x20}, 0x1, 0x0, 0x0, 0x20008000}, 0x40) sendmsg$BATADV_CMD_GET_BLA_CLAIM(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f0000000900)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000009c0)={&(0x7f0000000940)={0x5c, r4, 0x400, 0x70bd29, 0x25dfdbfc, {}, [@BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x1}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x60}, @BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x1}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x2}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0x5}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0x8000}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_HARD_IFINDEX={0x8}]}, 0x5c}, 0x1, 0x0, 0x0, 0x8084}, 0x40000) sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f0000000b00)={&(0x7f0000000a40)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x24, r4, 0x543ac389bcdfcb3d, 0x70bd27, 0x25dfdbfc, {}, [@BATADV_ATTR_BONDING_ENABLED={0x5}, @BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r2}]}, 0x24}, 0x1, 0x0, 0x0, 0x90}, 0x4001) 08:47:01 executing program 2: r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000800)=ANY=[@ANYBLOB="12010000807e9040450c0a6192fd001000010902120001000000000904"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) r1 = syz_usb_connect(0x0, 0x24, &(0x7f00000000c0)={{0x12, 0x1, 0x0, 0xec, 0x2e, 0x1, 0x8, 0x1d19, 0x1104, 0x5ef7, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0xf, 0xa5, 0x3c}}]}}]}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io$hid(r1, 0x0, &(0x7f00000007c0)={0x18, &(0x7f0000000500)=ANY=[], 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$cdc_ncm(r1, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r1, 0x0, 0x0) syz_usb_control_io$hid(r1, 0x0, &(0x7f0000001200)={0x2c, &(0x7f0000001000)=ANY=[], 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$cdc_ncm(r1, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r1, 0x0, &(0x7f00000009c0)={0x10, &(0x7f0000000880), 0x0, 0x0}) r2 = socket(0x10, 0x803, 0x0) sendto(r2, &(0x7f0000000000)="120000001a00e5ff007b00000000008000a1", 0x12, 0x0, 0x0, 0x0) setsockopt$sock_int(r2, 0x1, 0x10, &(0x7f0000000280)=0x85aa, 0x4) recvmmsg(r2, &(0x7f0000004000)=[{{&(0x7f0000000400)=@nfc, 0x0, &(0x7f00000005c0)=[{&(0x7f00000004c0)=""/36}, {&(0x7f0000000580)=""/11}], 0x0, &(0x7f0000000600)=""/76}}, {{&(0x7f00000040c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @initdev}}}, 0x0, &(0x7f0000001a80)=[{&(0x7f0000000740)=""/104}, {&(0x7f0000004140)=""/244}, {&(0x7f00000008c0)=""/230}, {&(0x7f00000009c0)=""/4096}, {&(0x7f00000019c0)=""/70}, {&(0x7f0000001a40)=""/14}], 0x0, &(0x7f0000001b00)=""/130}}, {{&(0x7f0000001bc0)=@rxrpc=@in4={0x21, 0x0, 0x2, 0x0, {0x2, 0x0, @broadcast}}, 0x0, &(0x7f0000003f40)=[{&(0x7f0000001c80)=""/4096}, {&(0x7f0000002c80)=""/4096}, {&(0x7f0000003c80)=""/128}, {&(0x7f0000003d00)=""/24}, {&(0x7f0000003d40)=""/211}, {&(0x7f0000003e40)=""/113}, {&(0x7f0000003ec0)=""/96}], 0x0, &(0x7f0000003fc0)=""/27, 0xffffff39}}], 0x4000361, 0x100000002, 0x0) r3 = socket(0x10, 0x803, 0x0) sendto(r3, &(0x7f0000000040)="9c00eb001a6d9d9d6539aabc3576c1008000a100000000000000", 0x1a, 0x4, 0x0, 0x0) setsockopt$sock_int(r3, 0x1, 0x10, &(0x7f0000000280)=0x85aa, 0x4) recvmmsg(r3, &(0x7f0000004000)=[{{&(0x7f0000000400)=@nfc, 0x0, &(0x7f00000005c0)=[{&(0x7f00000004c0)=""/36}, {&(0x7f0000000580)=""/11}], 0x0, &(0x7f0000000600)=""/76}}, {{&(0x7f00000040c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @initdev}}}, 0x0, &(0x7f0000001a80)=[{&(0x7f0000000740)=""/104}, {&(0x7f0000004140)=""/244}, {&(0x7f00000008c0)=""/230}, {&(0x7f00000009c0)=""/4096}, {&(0x7f00000019c0)=""/70}, {&(0x7f0000001a40)=""/14}], 0x0, &(0x7f0000001b00)=""/130}}, {{&(0x7f0000001bc0)=@rxrpc=@in4={0x21, 0x0, 0x2, 0x0, {0x2, 0x0, @broadcast}}, 0x0, &(0x7f0000003f40)=[{&(0x7f0000001c80)=""/4096}, {&(0x7f0000002c80)=""/4096}, {&(0x7f0000003c80)=""/128}, {&(0x7f0000003d00)=""/24}, {&(0x7f0000003d40)=""/211}, {&(0x7f0000003e40)=""/113}, {&(0x7f0000003ec0)=""/96}], 0x0, &(0x7f0000003fc0)=""/27, 0xffffff39}}], 0x4000361, 0x100000002, 0x0) syz_usb_control_io$hid(r1, 0x0, &(0x7f0000000600)={0x18, &(0x7f0000000100)=ANY=[@ANYRESHEX=r3, @ANYRESOCT, @ANYRES32=r0, @ANYRESOCT=r2], 0x0, 0x0, 0x0, 0x0}) [ 541.825263][ T8806] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 542.487286][ T8868] not chained 1460000 origins [ 542.492008][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 542.500678][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 542.510740][ T8868] Call Trace: [ 542.514047][ T8868] dump_stack+0x21c/0x280 [ 542.518383][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 542.524106][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 542.529306][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 542.535115][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 542.540317][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 542.546124][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 542.552198][ T8868] ? __wake_up+0x1fc/0x250 [ 542.556620][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 542.561825][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 542.567634][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 542.573701][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 542.578903][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 542.584563][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 542.590632][ T8868] ? _copy_from_user+0x1fd/0x300 [ 542.595577][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 542.600774][ T8868] __msan_chain_origin+0x57/0xa0 [ 542.605716][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 542.610834][ T8868] get_compat_msghdr+0x108/0x2b0 [ 542.615780][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 542.620292][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 542.625494][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 542.631393][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 542.636596][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 542.642230][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 542.647528][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 542.652304][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 542.656984][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 542.662184][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 542.667387][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 542.673466][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 542.679627][ T8868] __do_fast_syscall_32+0x102/0x160 [ 542.684838][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 542.689698][ T8868] do_SYSENTER_32+0x73/0x90 [ 542.694305][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 542.700632][ T8868] RIP: 0023:0xf7fcc549 [ 542.704706][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 542.724323][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 542.732755][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 542.740741][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 542.748731][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 542.756714][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 542.764697][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 542.772679][ T8868] Uninit was stored to memory at: [ 542.777722][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 542.783454][ T8868] __msan_chain_origin+0x57/0xa0 [ 542.788793][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 542.793918][ T8868] get_compat_msghdr+0x108/0x2b0 [ 542.798864][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 542.803381][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 542.808068][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 542.814142][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 542.820306][ T8868] __do_fast_syscall_32+0x102/0x160 [ 542.825512][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 542.830366][ T8868] do_SYSENTER_32+0x73/0x90 [ 542.834878][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 542.841197][ T8868] [ 542.843524][ T8868] Uninit was stored to memory at: [ 542.848555][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 542.854281][ T8868] __msan_chain_origin+0x57/0xa0 [ 542.859264][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 542.864394][ T8868] get_compat_msghdr+0x108/0x2b0 [ 542.869348][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 542.873863][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 542.878674][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 542.884929][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 542.891183][ T8868] __do_fast_syscall_32+0x102/0x160 [ 542.896398][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 542.901267][ T8868] do_SYSENTER_32+0x73/0x90 [ 542.905797][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 542.912116][ T8868] [ 542.914448][ T8868] Uninit was stored to memory at: [ 542.919480][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 542.925343][ T8868] __msan_chain_origin+0x57/0xa0 [ 542.930291][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 542.935434][ T8868] get_compat_msghdr+0x108/0x2b0 [ 542.940377][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 542.944883][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 542.949566][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 542.955839][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 542.962003][ T8868] __do_fast_syscall_32+0x102/0x160 [ 542.967216][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 542.972078][ T8868] do_SYSENTER_32+0x73/0x90 [ 542.976592][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 542.982914][ T8868] [ 542.985241][ T8868] Uninit was stored to memory at: [ 542.990280][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 542.996009][ T8868] __msan_chain_origin+0x57/0xa0 [ 543.000957][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 543.006081][ T8868] get_compat_msghdr+0x108/0x2b0 [ 543.011026][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 543.015539][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 543.020234][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 543.026337][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 543.032505][ T8868] __do_fast_syscall_32+0x102/0x160 [ 543.037781][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 543.042644][ T8868] do_SYSENTER_32+0x73/0x90 [ 543.047195][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 543.053519][ T8868] [ 543.055844][ T8868] Uninit was stored to memory at: [ 543.060889][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 543.066612][ T8868] __msan_chain_origin+0x57/0xa0 [ 543.071561][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 543.076689][ T8868] get_compat_msghdr+0x108/0x2b0 [ 543.081634][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 543.086151][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 543.090871][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 543.096951][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 543.103118][ T8868] __do_fast_syscall_32+0x102/0x160 [ 543.108327][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 543.113360][ T8868] do_SYSENTER_32+0x73/0x90 [ 543.117874][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 543.124195][ T8868] [ 543.126529][ T8868] Uninit was stored to memory at: [ 543.131740][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 543.138162][ T8868] __msan_chain_origin+0x57/0xa0 [ 543.143107][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 543.150313][ T8868] get_compat_msghdr+0x108/0x2b0 [ 543.155259][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 543.159776][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 543.164478][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 543.170568][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 543.176764][ T8868] __do_fast_syscall_32+0x102/0x160 [ 543.182412][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 543.187276][ T8868] do_SYSENTER_32+0x73/0x90 [ 543.191785][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 543.198089][ T8868] [ 543.200401][ T8868] Uninit was stored to memory at: [ 543.205427][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 543.211139][ T8868] __msan_chain_origin+0x57/0xa0 [ 543.216070][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 543.221173][ T8868] get_compat_msghdr+0x108/0x2b0 [ 543.226101][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 543.230594][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 543.235262][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 543.241316][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 543.247460][ T8868] __do_fast_syscall_32+0x102/0x160 [ 543.252656][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 543.257503][ T8868] do_SYSENTER_32+0x73/0x90 [ 543.262016][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 543.268335][ T8868] [ 543.270644][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 543.277308][ T8868] do_recvmmsg+0xbf/0x22f0 [ 543.281717][ T8868] do_recvmmsg+0xbf/0x22f0 [ 543.293682][ T8806] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 543.373890][ T8472] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 543.617643][ T8806] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 544.061520][ T8472] usb 3-1: New USB device found, idVendor=0c45, idProduct=610a, bcdDevice=fd.92 [ 544.061596][ T8472] usb 3-1: New USB device strings: Mfr=0, Product=16, SerialNumber=0 [ 544.064646][ T8472] usb 3-1: config 0 descriptor?? [ 544.241465][ T8472] usb 3-1: can't set config #0, error -71 [ 544.291481][ T8472] usb 3-1: USB disconnect, device number 2 [ 545.349158][ T9149] IPVS: ftp: loaded support on port[0] = 21 [ 545.929640][ T9174] IPVS: ftp: loaded support on port[0] = 21 [ 546.519846][ T9149] chnl_net:caif_netlink_parms(): no params data found [ 546.735381][ T8868] not chained 1470000 origins [ 546.740112][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 546.748788][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 546.758856][ T8868] Call Trace: [ 546.762170][ T8868] dump_stack+0x21c/0x280 [ 546.766516][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 546.772249][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 546.777475][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 546.783301][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 546.788515][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 546.794341][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 546.800448][ T8868] ? __wake_up+0x1fc/0x250 [ 546.804886][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 546.810104][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 546.815929][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 546.822012][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 546.827400][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 546.833058][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 546.839151][ T8868] ? _copy_from_user+0x1fd/0x300 [ 546.844159][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 546.849371][ T8868] __msan_chain_origin+0x57/0xa0 [ 546.854766][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 546.859907][ T8868] get_compat_msghdr+0x108/0x2b0 [ 546.864876][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 546.869414][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 546.874631][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 546.880543][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 546.885759][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 546.891484][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 546.896796][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 546.901668][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 546.906368][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 546.911590][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 546.916820][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 546.923267][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 546.929452][ T8868] __do_fast_syscall_32+0x102/0x160 [ 546.934688][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 546.939559][ T8868] do_SYSENTER_32+0x73/0x90 [ 546.944086][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 546.950460][ T8868] RIP: 0023:0xf7fcc549 [ 546.954555][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 546.974360][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 546.982805][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 546.990807][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 546.998831][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 547.007181][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 547.015169][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 547.021744][ T8471] Bluetooth: hci0: command 0x0409 tx timeout [ 547.023178][ T8868] Uninit was stored to memory at: [ 547.034194][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 547.039930][ T8868] __msan_chain_origin+0x57/0xa0 [ 547.044894][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 547.050024][ T8868] get_compat_msghdr+0x108/0x2b0 [ 547.054980][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 547.059496][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 547.064181][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 547.070291][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 547.076449][ T8868] __do_fast_syscall_32+0x102/0x160 [ 547.081643][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 547.086486][ T8868] do_SYSENTER_32+0x73/0x90 [ 547.091074][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 547.097397][ T8868] [ 547.099709][ T8868] Uninit was stored to memory at: [ 547.104721][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 547.110425][ T8868] __msan_chain_origin+0x57/0xa0 [ 547.115353][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 547.120451][ T8868] get_compat_msghdr+0x108/0x2b0 [ 547.125385][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 547.129876][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 547.134545][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 547.140600][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 547.146748][ T8868] __do_fast_syscall_32+0x102/0x160 [ 547.151937][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 547.156799][ T8868] do_SYSENTER_32+0x73/0x90 [ 547.161297][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 547.167624][ T8868] [ 547.169938][ T8868] Uninit was stored to memory at: [ 547.175050][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 547.180758][ T8868] __msan_chain_origin+0x57/0xa0 [ 547.185688][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 547.190789][ T8868] get_compat_msghdr+0x108/0x2b0 [ 547.195717][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 547.200310][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 547.204977][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 547.211039][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 547.217185][ T8868] __do_fast_syscall_32+0x102/0x160 [ 547.222395][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 547.227934][ T8868] do_SYSENTER_32+0x73/0x90 [ 547.232448][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 547.238772][ T8868] [ 547.241082][ T8868] Uninit was stored to memory at: [ 547.246096][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 547.251806][ T8868] __msan_chain_origin+0x57/0xa0 [ 547.256733][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 547.261834][ T8868] get_compat_msghdr+0x108/0x2b0 [ 547.266758][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 547.271250][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 547.275916][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 547.281974][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 547.288117][ T8868] __do_fast_syscall_32+0x102/0x160 [ 547.293305][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 547.298156][ T8868] do_SYSENTER_32+0x73/0x90 [ 547.302649][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 547.308967][ T8868] [ 547.311278][ T8868] Uninit was stored to memory at: [ 547.316290][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 547.321994][ T8868] __msan_chain_origin+0x57/0xa0 [ 547.326919][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 547.332017][ T8868] get_compat_msghdr+0x108/0x2b0 [ 547.336944][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 547.341438][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 547.346108][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 547.352163][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 547.358328][ T8868] __do_fast_syscall_32+0x102/0x160 [ 547.363518][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 547.368359][ T8868] do_SYSENTER_32+0x73/0x90 [ 547.372852][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 547.379162][ T8868] [ 547.381476][ T8868] Uninit was stored to memory at: [ 547.386493][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 547.392200][ T8868] __msan_chain_origin+0x57/0xa0 [ 547.397130][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 547.402230][ T8868] get_compat_msghdr+0x108/0x2b0 [ 547.407170][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 547.411663][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 547.416353][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 547.422411][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 547.428556][ T8868] __do_fast_syscall_32+0x102/0x160 [ 547.433746][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 547.438586][ T8868] do_SYSENTER_32+0x73/0x90 [ 547.443082][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 547.449397][ T8868] [ 547.451707][ T8868] Uninit was stored to memory at: [ 547.456724][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 547.462606][ T8868] __msan_chain_origin+0x57/0xa0 [ 547.467531][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 547.472628][ T8868] get_compat_msghdr+0x108/0x2b0 [ 547.477555][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 547.482046][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 547.486711][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 547.492769][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 547.498912][ T8868] __do_fast_syscall_32+0x102/0x160 [ 547.504099][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 547.508937][ T8868] do_SYSENTER_32+0x73/0x90 [ 547.513430][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 547.519747][ T8868] [ 547.522061][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 547.528725][ T8868] do_recvmmsg+0xbf/0x22f0 [ 547.533128][ T8868] do_recvmmsg+0xbf/0x22f0 [ 547.543665][ T8472] Bluetooth: hci2: command 0x0406 tx timeout [ 547.662659][ T8471] Bluetooth: hci3: command 0x0409 tx timeout [ 548.194990][ T9149] bridge0: port 1(bridge_slave_0) entered blocking state [ 548.202522][ T9149] bridge0: port 1(bridge_slave_0) entered disabled state [ 548.213139][ T9149] device bridge_slave_0 entered promiscuous mode [ 548.223168][ T9174] chnl_net:caif_netlink_parms(): no params data found [ 548.438389][ T9149] bridge0: port 2(bridge_slave_1) entered blocking state [ 548.445879][ T9149] bridge0: port 2(bridge_slave_1) entered disabled state [ 548.455795][ T9149] device bridge_slave_1 entered promiscuous mode [ 548.704984][ T8868] not chained 1480000 origins [ 548.710669][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 548.719348][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 548.729424][ T8868] Call Trace: [ 548.732738][ T8868] dump_stack+0x21c/0x280 [ 548.737081][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 548.742808][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 548.748000][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 548.753796][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 548.759072][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 548.764867][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 548.770926][ T8868] ? __wake_up+0x1fc/0x250 [ 548.780028][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 548.785220][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 548.792070][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 548.798147][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 548.803338][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 548.808963][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 548.815109][ T8868] ? _copy_from_user+0x1fd/0x300 [ 548.820037][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 548.825226][ T8868] __msan_chain_origin+0x57/0xa0 [ 548.830157][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 548.835263][ T8868] get_compat_msghdr+0x108/0x2b0 [ 548.840201][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 548.844697][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 548.849974][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 548.855857][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 548.861132][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 548.866752][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 548.872290][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 548.877074][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 548.881768][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 548.886977][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 548.892174][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 548.898340][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 548.904500][ T8868] __do_fast_syscall_32+0x102/0x160 [ 548.909691][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 548.914534][ T8868] do_SYSENTER_32+0x73/0x90 [ 548.919057][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 548.925385][ T8868] RIP: 0023:0xf7fcc549 [ 548.929455][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 548.949144][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 548.957565][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 548.965544][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 548.974300][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 548.982262][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 548.990248][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 548.998233][ T8868] Uninit was stored to memory at: [ 549.003269][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 549.008976][ T8868] __msan_chain_origin+0x57/0xa0 [ 549.013904][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 549.019005][ T8868] get_compat_msghdr+0x108/0x2b0 [ 549.023949][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 549.028441][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 549.033205][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 549.039366][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 549.045512][ T8868] __do_fast_syscall_32+0x102/0x160 [ 549.050699][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 549.055538][ T8868] do_SYSENTER_32+0x73/0x90 [ 549.060034][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 549.066338][ T8868] [ 549.068647][ T8868] Uninit was stored to memory at: [ 549.073658][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 549.080764][ T8868] __msan_chain_origin+0x57/0xa0 [ 549.085695][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 549.091239][ T8868] get_compat_msghdr+0x108/0x2b0 [ 549.096167][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 549.100658][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 549.105325][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 549.111382][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 549.117527][ T8868] __do_fast_syscall_32+0x102/0x160 [ 549.122730][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 549.127646][ T8868] do_SYSENTER_32+0x73/0x90 [ 549.132143][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 549.138454][ T8868] [ 549.140774][ T8868] Uninit was stored to memory at: [ 549.145804][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 549.151542][ T8868] __msan_chain_origin+0x57/0xa0 [ 549.156478][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 549.161594][ T8868] get_compat_msghdr+0x108/0x2b0 [ 549.166522][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 549.171014][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 549.175680][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 549.181741][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 549.188086][ T8868] __do_fast_syscall_32+0x102/0x160 [ 549.193398][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 549.198515][ T8868] do_SYSENTER_32+0x73/0x90 [ 549.203016][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 549.209323][ T8868] [ 549.211645][ T8868] Uninit was stored to memory at: [ 549.216748][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 549.222628][ T8868] __msan_chain_origin+0x57/0xa0 [ 549.227556][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 549.232660][ T8868] get_compat_msghdr+0x108/0x2b0 [ 549.237605][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 549.242097][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 549.246764][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 549.252820][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 549.259051][ T8868] __do_fast_syscall_32+0x102/0x160 [ 549.264238][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 549.269079][ T8868] do_SYSENTER_32+0x73/0x90 [ 549.274008][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 549.280311][ T8868] [ 549.282621][ T8868] Uninit was stored to memory at: [ 549.287635][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 549.293342][ T8868] __msan_chain_origin+0x57/0xa0 [ 549.298269][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 549.303375][ T8868] get_compat_msghdr+0x108/0x2b0 [ 549.308515][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 549.313022][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 549.317710][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 549.323867][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 549.330017][ T8868] __do_fast_syscall_32+0x102/0x160 [ 549.335208][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 549.340051][ T8868] do_SYSENTER_32+0x73/0x90 [ 549.344584][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 549.350889][ T8868] [ 549.353203][ T8868] Uninit was stored to memory at: [ 549.358241][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 549.363949][ T8868] __msan_chain_origin+0x57/0xa0 [ 549.368887][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 549.374072][ T8868] get_compat_msghdr+0x108/0x2b0 [ 549.379016][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 549.383509][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 549.388268][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 549.394340][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 549.400488][ T8868] __do_fast_syscall_32+0x102/0x160 [ 549.405677][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 549.410778][ T8868] do_SYSENTER_32+0x73/0x90 [ 549.415273][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 549.421585][ T8868] [ 549.423896][ T8868] Uninit was stored to memory at: [ 549.428907][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 549.434614][ T8868] __msan_chain_origin+0x57/0xa0 [ 549.439716][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 549.444818][ T8868] get_compat_msghdr+0x108/0x2b0 [ 549.449744][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 549.454236][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 549.458988][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 549.465057][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 549.471218][ T8868] __do_fast_syscall_32+0x102/0x160 [ 549.477590][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 549.482462][ T8868] do_SYSENTER_32+0x73/0x90 [ 549.486999][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 549.493576][ T8868] [ 549.495894][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 549.502558][ T8868] do_recvmmsg+0xbf/0x22f0 [ 549.506966][ T8868] do_recvmmsg+0xbf/0x22f0 [ 549.906586][ T8471] Bluetooth: hci0: command 0x041b tx timeout [ 549.924773][ T8484] Bluetooth: hci3: command 0x041b tx timeout [ 549.989462][ T8806] device hsr_slave_0 left promiscuous mode [ 550.022764][ T8806] device hsr_slave_1 left promiscuous mode [ 550.054523][ T8806] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 550.063294][ T8806] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 550.093312][ T8806] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 550.101314][ T8806] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 550.130237][ T8806] device bridge_slave_1 left promiscuous mode [ 550.138676][ T8806] bridge0: port 2(bridge_slave_1) entered disabled state [ 550.174999][ T8806] device bridge_slave_0 left promiscuous mode [ 550.182788][ T8806] bridge0: port 1(bridge_slave_0) entered disabled state [ 550.212271][ T8806] device veth1_macvtap left promiscuous mode [ 550.218511][ T8806] device veth0_macvtap left promiscuous mode [ 550.224935][ T8806] device veth1_vlan left promiscuous mode [ 550.230837][ T8806] device veth0_vlan left promiscuous mode [ 550.392197][ T8868] not chained 1490000 origins [ 550.397194][ T8868] CPU: 0 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 550.405966][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 550.416933][ T8868] Call Trace: [ 550.420270][ T8868] dump_stack+0x21c/0x280 [ 550.425173][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 550.430993][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 550.436210][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 550.442029][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 550.447253][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 550.453104][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 550.459660][ T8868] ? __wake_up+0x1fc/0x250 [ 550.464450][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 550.469761][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 550.476038][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 550.482135][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 550.487349][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 550.493037][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 550.499116][ T8868] ? _copy_from_user+0x1fd/0x300 [ 550.505509][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 550.510979][ T8868] __msan_chain_origin+0x57/0xa0 [ 550.515932][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 550.523061][ T8868] get_compat_msghdr+0x108/0x2b0 [ 550.528013][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 550.532554][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 550.537859][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 550.543775][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 550.549090][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 550.554737][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 550.560128][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 550.564908][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 550.570208][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 550.575517][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 550.580753][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 550.586928][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 550.593114][ T8868] __do_fast_syscall_32+0x102/0x160 [ 550.598343][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 550.603222][ T8868] do_SYSENTER_32+0x73/0x90 [ 550.607766][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 550.614105][ T8868] RIP: 0023:0xf7fcc549 [ 550.618309][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 550.638423][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 550.647567][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 550.655919][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 550.663925][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 550.671995][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 550.680105][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 550.688109][ T8868] Uninit was stored to memory at: [ 550.693193][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 550.699055][ T8868] __msan_chain_origin+0x57/0xa0 [ 550.704204][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 550.709770][ T8868] get_compat_msghdr+0x108/0x2b0 [ 550.714718][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 550.719286][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 550.723973][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 550.730050][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 550.736227][ T8868] __do_fast_syscall_32+0x102/0x160 [ 550.742007][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 550.747066][ T8868] do_SYSENTER_32+0x73/0x90 [ 550.751588][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 550.757909][ T8868] [ 550.760277][ T8868] Uninit was stored to memory at: [ 550.765312][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 550.773152][ T8868] __msan_chain_origin+0x57/0xa0 [ 550.778341][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 550.783852][ T8868] get_compat_msghdr+0x108/0x2b0 [ 550.788905][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 550.793686][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 550.800232][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 550.806320][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 550.812684][ T8868] __do_fast_syscall_32+0x102/0x160 [ 550.817997][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 550.822866][ T8868] do_SYSENTER_32+0x73/0x90 [ 550.827383][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 550.833712][ T8868] [ 550.836048][ T8868] Uninit was stored to memory at: [ 550.841088][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 550.847019][ T8868] __msan_chain_origin+0x57/0xa0 [ 550.851977][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 550.857103][ T8868] get_compat_msghdr+0x108/0x2b0 [ 550.862056][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 550.866588][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 550.871289][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 550.877367][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 550.883583][ T8868] __do_fast_syscall_32+0x102/0x160 [ 550.888792][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 550.893658][ T8868] do_SYSENTER_32+0x73/0x90 [ 550.898176][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 550.904587][ T8868] [ 550.906913][ T8868] Uninit was stored to memory at: [ 550.911943][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 550.917679][ T8868] __msan_chain_origin+0x57/0xa0 [ 550.922641][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 550.928290][ T8868] get_compat_msghdr+0x108/0x2b0 [ 550.933243][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 550.937958][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 550.942648][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 550.948727][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 550.955508][ T8868] __do_fast_syscall_32+0x102/0x160 [ 550.960939][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 550.965808][ T8868] do_SYSENTER_32+0x73/0x90 [ 550.970954][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 550.977281][ T8868] [ 550.979719][ T8868] Uninit was stored to memory at: [ 550.985262][ T8868] kmsan_internal_chain_origin+0xad/0x130 08:47:11 executing program 2: bind$inet6(0xffffffffffffff9c, &(0x7f0000000180)={0x1c, 0x1c, 0x2}, 0xfffffffffffffd42) [ 550.991012][ T8868] __msan_chain_origin+0x57/0xa0 [ 550.996014][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 551.001138][ T8868] get_compat_msghdr+0x108/0x2b0 [ 551.006088][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 551.010611][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 551.015297][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 551.021371][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 551.027538][ T8868] __do_fast_syscall_32+0x102/0x160 [ 551.032742][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 551.037642][ T8868] do_SYSENTER_32+0x73/0x90 [ 551.042164][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 551.048487][ T8868] [ 551.050818][ T8868] Uninit was stored to memory at: [ 551.055860][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 551.061583][ T8868] __msan_chain_origin+0x57/0xa0 [ 551.066521][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 551.071630][ T8868] get_compat_msghdr+0x108/0x2b0 [ 551.076589][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 551.081108][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 551.085941][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 551.092022][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 551.098185][ T8868] __do_fast_syscall_32+0x102/0x160 [ 551.103391][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 551.108356][ T8868] do_SYSENTER_32+0x73/0x90 [ 551.112894][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 551.119215][ T8868] [ 551.121538][ T8868] Uninit was stored to memory at: [ 551.126574][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 551.132304][ T8868] __msan_chain_origin+0x57/0xa0 [ 551.138191][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 551.143315][ T8868] get_compat_msghdr+0x108/0x2b0 [ 551.148258][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 551.152764][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 551.157450][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 551.163531][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 551.169705][ T8868] __do_fast_syscall_32+0x102/0x160 [ 551.174926][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 551.179785][ T8868] do_SYSENTER_32+0x73/0x90 [ 551.184316][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 551.190644][ T8868] [ 551.192978][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 551.199663][ T8868] do_recvmmsg+0xbf/0x22f0 [ 551.204081][ T8868] do_recvmmsg+0xbf/0x22f0 08:47:11 executing program 2: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) sendfile(r0, 0xffffffffffffffff, 0x0, 0x0) [ 551.581335][ T8807] Bluetooth: hci4: command 0x0409 tx timeout 08:47:12 executing program 2: r0 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a) sendto$inet6(r0, &(0x7f00000001c0)="fc84b97c6c486b64", 0x8, 0x20085, &(0x7f00000011c0)={0x1c, 0x1c}, 0x1c) [ 551.776686][ T8868] not chained 1500000 origins [ 551.781424][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 551.790203][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 551.801535][ T8868] Call Trace: [ 551.804936][ T8868] dump_stack+0x21c/0x280 [ 551.809285][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 551.815195][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 551.820433][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 551.826332][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 551.831638][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 551.837636][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 551.843720][ T8868] ? __wake_up+0x1fc/0x250 [ 551.848194][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 551.853407][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 551.859230][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 551.865998][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 551.871476][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 551.877136][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 551.883253][ T8868] ? _copy_from_user+0x1fd/0x300 [ 551.889476][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 551.895979][ T8868] __msan_chain_origin+0x57/0xa0 [ 551.901306][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 551.906486][ T8868] get_compat_msghdr+0x108/0x2b0 [ 551.911997][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 551.916883][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 551.922107][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 551.928146][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 551.934244][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 551.939990][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 551.945393][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 551.951763][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 551.957000][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 551.962940][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 551.969079][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 551.975474][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 551.981660][ T8868] __do_fast_syscall_32+0x102/0x160 [ 551.986883][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 551.992834][ T8868] do_SYSENTER_32+0x73/0x90 [ 551.997541][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 552.004420][ T8868] RIP: 0023:0xf7fcc549 [ 552.008599][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 552.029986][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 552.038613][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 552.046697][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 552.055593][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 552.066769][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 552.074943][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 552.083553][ T8868] Uninit was stored to memory at: [ 552.088709][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 552.095511][ T8868] __msan_chain_origin+0x57/0xa0 [ 552.101440][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 552.106926][ T8868] get_compat_msghdr+0x108/0x2b0 [ 552.112532][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 552.118070][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 552.123220][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 552.129675][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 552.135858][ T8868] __do_fast_syscall_32+0x102/0x160 [ 552.141099][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 552.145972][ T8868] do_SYSENTER_32+0x73/0x90 [ 552.150601][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 552.157041][ T8868] [ 552.159382][ T8868] Uninit was stored to memory at: [ 552.164436][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 552.170218][ T8868] __msan_chain_origin+0x57/0xa0 [ 552.175181][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 552.180327][ T8868] get_compat_msghdr+0x108/0x2b0 [ 552.185322][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 552.189850][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 552.194556][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 552.200663][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 552.207286][ T8868] __do_fast_syscall_32+0x102/0x160 [ 552.212524][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 552.217400][ T8868] do_SYSENTER_32+0x73/0x90 [ 552.221931][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 552.228259][ T8868] [ 552.230594][ T8868] Uninit was stored to memory at: [ 552.235653][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 552.241405][ T8868] __msan_chain_origin+0x57/0xa0 [ 552.246374][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 552.251514][ T8868] get_compat_msghdr+0x108/0x2b0 [ 552.256489][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 552.261017][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 552.265726][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 552.271822][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 552.278146][ T8868] __do_fast_syscall_32+0x102/0x160 [ 552.283473][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 552.288362][ T8868] do_SYSENTER_32+0x73/0x90 [ 552.293336][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 552.299666][ T8868] [ 552.302000][ T8868] Uninit was stored to memory at: [ 552.307047][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 552.312858][ T8868] __msan_chain_origin+0x57/0xa0 [ 552.317827][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 552.323118][ T8868] get_compat_msghdr+0x108/0x2b0 [ 552.328082][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 552.332608][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 552.337307][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 552.343396][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 552.349629][ T8868] __do_fast_syscall_32+0x102/0x160 [ 552.354856][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 552.359728][ T8868] do_SYSENTER_32+0x73/0x90 [ 552.364780][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 552.371106][ T8868] [ 552.373589][ T8868] Uninit was stored to memory at: [ 552.378640][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 552.384386][ T8868] __msan_chain_origin+0x57/0xa0 [ 552.389353][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 552.394491][ T8868] get_compat_msghdr+0x108/0x2b0 [ 552.399461][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 552.403998][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 552.408703][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 552.414799][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 552.420974][ T8868] __do_fast_syscall_32+0x102/0x160 [ 552.426283][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 552.431154][ T8868] do_SYSENTER_32+0x73/0x90 [ 552.435715][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 552.442223][ T8868] [ 552.444555][ T8868] Uninit was stored to memory at: [ 552.449601][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 552.455343][ T8868] __msan_chain_origin+0x57/0xa0 [ 552.460393][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 552.465529][ T8868] get_compat_msghdr+0x108/0x2b0 [ 552.470595][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 552.475125][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 552.479831][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 552.486008][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 552.492187][ T8868] __do_fast_syscall_32+0x102/0x160 [ 552.497410][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 552.502289][ T8868] do_SYSENTER_32+0x73/0x90 [ 552.506822][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 552.513665][ T8868] [ 552.516042][ T8868] Uninit was stored to memory at: [ 552.521115][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 552.526945][ T8868] __msan_chain_origin+0x57/0xa0 [ 552.532080][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 552.537265][ T8868] get_compat_msghdr+0x108/0x2b0 [ 552.542249][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 552.546776][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 552.551502][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 552.557682][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 552.564211][ T8868] __do_fast_syscall_32+0x102/0x160 [ 552.569561][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 552.574700][ T8868] do_SYSENTER_32+0x73/0x90 [ 552.579467][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 552.585853][ T8868] [ 552.589180][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 552.597743][ T8868] do_recvmmsg+0xbf/0x22f0 [ 552.602289][ T8868] do_recvmmsg+0xbf/0x22f0 [ 552.621992][ T8808] Bluetooth: hci3: command 0x040f tx timeout [ 553.163077][ T8808] Bluetooth: hci0: command 0x040f tx timeout [ 553.666953][ T8472] Bluetooth: hci4: command 0x041b tx timeout [ 554.362852][ T8868] not chained 1510000 origins [ 554.367601][ T8868] CPU: 0 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 554.376842][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 554.388670][ T8868] Call Trace: [ 554.392030][ T8868] dump_stack+0x21c/0x280 [ 554.396790][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 554.402741][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 554.408310][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 554.414626][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 554.420437][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 554.426517][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 554.432616][ T8868] ? __wake_up+0x1fc/0x250 [ 554.437044][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 554.442251][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 554.448064][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 554.454132][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 554.459340][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 554.464994][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 554.471070][ T8868] ? _copy_from_user+0x1fd/0x300 [ 554.476014][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 554.481344][ T8868] __msan_chain_origin+0x57/0xa0 [ 554.486385][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 554.491526][ T8868] get_compat_msghdr+0x108/0x2b0 [ 554.496579][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 554.501142][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 554.506361][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 554.512289][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 554.517619][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 554.523312][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 554.528633][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 554.533428][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 554.538172][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 554.543542][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 554.548789][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 554.554972][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 554.561176][ T8868] __do_fast_syscall_32+0x102/0x160 [ 554.566394][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 554.571254][ T8868] do_SYSENTER_32+0x73/0x90 [ 554.575964][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 554.582493][ T8868] RIP: 0023:0xf7fcc549 [ 554.586662][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 554.606679][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 554.615486][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 554.623838][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 554.631801][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 554.639764][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 554.647731][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 554.655719][ T8868] Uninit was stored to memory at: [ 554.660755][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 554.666501][ T8868] __msan_chain_origin+0x57/0xa0 [ 554.671521][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 554.676735][ T8868] get_compat_msghdr+0x108/0x2b0 [ 554.682536][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 554.691057][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 554.702556][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 554.708862][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 554.715014][ T8868] __do_fast_syscall_32+0x102/0x160 [ 554.720316][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 554.725205][ T8868] do_SYSENTER_32+0x73/0x90 [ 554.730251][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 554.736573][ T8868] [ 554.739077][ T8868] Uninit was stored to memory at: [ 554.744128][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 554.749842][ T8868] __msan_chain_origin+0x57/0xa0 [ 554.754773][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 554.759870][ T8868] get_compat_msghdr+0x108/0x2b0 [ 554.764856][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 554.769543][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 554.776134][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 554.783266][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 554.794438][ T8868] __do_fast_syscall_32+0x102/0x160 [ 554.799647][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 554.804594][ T8868] do_SYSENTER_32+0x73/0x90 [ 554.809328][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 554.816013][ T8868] [ 554.820161][ T8868] Uninit was stored to memory at: [ 554.825967][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 554.834755][ T8868] __msan_chain_origin+0x57/0xa0 [ 554.840872][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 554.846807][ T8868] get_compat_msghdr+0x108/0x2b0 [ 554.856172][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 554.865972][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 554.873808][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 554.882261][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 554.891536][ T8868] __do_fast_syscall_32+0x102/0x160 [ 554.897493][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 554.902726][ T8868] do_SYSENTER_32+0x73/0x90 [ 554.907801][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 554.914236][ T8868] [ 554.916550][ T8868] Uninit was stored to memory at: [ 554.921710][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 554.927416][ T8868] __msan_chain_origin+0x57/0xa0 [ 554.932338][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 554.937799][ T8868] get_compat_msghdr+0x108/0x2b0 [ 554.943180][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 554.947704][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 554.952377][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 554.958935][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 554.965143][ T8868] __do_fast_syscall_32+0x102/0x160 [ 554.971053][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 554.975906][ T8868] do_SYSENTER_32+0x73/0x90 [ 554.980404][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 554.987673][ T8868] [ 554.990086][ T8868] Uninit was stored to memory at: [ 554.995237][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 555.002672][ T8868] __msan_chain_origin+0x57/0xa0 [ 555.008274][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 555.013568][ T8868] get_compat_msghdr+0x108/0x2b0 [ 555.021166][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 555.025905][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 555.030863][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 555.036928][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 555.044390][ T8868] __do_fast_syscall_32+0x102/0x160 [ 555.049606][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 555.054543][ T8868] do_SYSENTER_32+0x73/0x90 [ 555.059078][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 555.065396][ T8868] [ 555.067719][ T8868] Uninit was stored to memory at: [ 555.072775][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 555.078486][ T8868] __msan_chain_origin+0x57/0xa0 [ 555.083680][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 555.088773][ T8868] get_compat_msghdr+0x108/0x2b0 [ 555.093692][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 555.098199][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 555.102861][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 555.108907][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 555.115069][ T8868] __do_fast_syscall_32+0x102/0x160 [ 555.120265][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 555.125097][ T8868] do_SYSENTER_32+0x73/0x90 [ 555.130555][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 555.136940][ T8868] [ 555.139252][ T8868] Uninit was stored to memory at: [ 555.144259][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 555.150060][ T8868] __msan_chain_origin+0x57/0xa0 [ 555.154981][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 555.160070][ T8868] get_compat_msghdr+0x108/0x2b0 [ 555.164989][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 555.169496][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 555.174323][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 555.180598][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 555.187234][ T8868] __do_fast_syscall_32+0x102/0x160 [ 555.192515][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 555.197358][ T8868] do_SYSENTER_32+0x73/0x90 [ 555.202569][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 555.209120][ T8868] [ 555.211440][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 555.218973][ T8868] do_recvmmsg+0xbf/0x22f0 [ 555.223435][ T8868] do_recvmmsg+0xbf/0x22f0 [ 555.240940][ T8808] Bluetooth: hci3: command 0x0419 tx timeout [ 555.289272][ T8808] Bluetooth: hci0: command 0x0419 tx timeout [ 555.741628][ T17] Bluetooth: hci4: command 0x040f tx timeout [ 555.846496][ T8868] not chained 1520000 origins [ 555.851263][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 555.860093][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 555.870252][ T8868] Call Trace: [ 555.873750][ T8868] dump_stack+0x21c/0x280 [ 555.878165][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 555.885754][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 555.891052][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 555.898267][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 555.903501][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 555.909338][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 555.915466][ T8868] ? __wake_up+0x1fc/0x250 [ 555.919922][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 555.925148][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 555.930968][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 555.937054][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 555.942356][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 555.948002][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 555.954093][ T8868] ? _copy_from_user+0x1fd/0x300 [ 555.959068][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 555.964292][ T8868] __msan_chain_origin+0x57/0xa0 [ 555.969260][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 555.974412][ T8868] get_compat_msghdr+0x108/0x2b0 [ 555.979380][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 555.984020][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 555.989238][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 555.995149][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 556.000360][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 556.006019][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 556.011326][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 556.016122][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 556.020828][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 556.026049][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 556.031268][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 556.037367][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 556.043555][ T8868] __do_fast_syscall_32+0x102/0x160 [ 556.048850][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 556.053697][ T8868] do_SYSENTER_32+0x73/0x90 [ 556.058232][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 556.064599][ T8868] RIP: 0023:0xf7fcc549 [ 556.068649][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 556.088252][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 556.096665][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 556.104673][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 556.113052][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 556.121150][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 556.129110][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 556.137327][ T8868] Uninit was stored to memory at: [ 556.142500][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 556.148458][ T8868] __msan_chain_origin+0x57/0xa0 [ 556.153410][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 556.158584][ T8868] get_compat_msghdr+0x108/0x2b0 [ 556.164121][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 556.170035][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 556.175158][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 556.183439][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 556.189616][ T8868] __do_fast_syscall_32+0x102/0x160 [ 556.194816][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 556.199678][ T8868] do_SYSENTER_32+0x73/0x90 [ 556.204180][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 556.210481][ T8868] [ 556.212797][ T8868] Uninit was stored to memory at: [ 556.217819][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 556.223606][ T8868] __msan_chain_origin+0x57/0xa0 [ 556.228660][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 556.233779][ T8868] get_compat_msghdr+0x108/0x2b0 [ 556.239459][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 556.244115][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 556.248970][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 556.255032][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 556.261176][ T8868] __do_fast_syscall_32+0x102/0x160 [ 556.266443][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 556.271300][ T8868] do_SYSENTER_32+0x73/0x90 [ 556.276267][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 556.282771][ T8868] [ 556.285096][ T8868] Uninit was stored to memory at: [ 556.290754][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 556.296725][ T8868] __msan_chain_origin+0x57/0xa0 [ 556.301696][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 556.307049][ T8868] get_compat_msghdr+0x108/0x2b0 [ 556.313141][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 556.317825][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 556.322590][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 556.329140][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 556.335685][ T8868] __do_fast_syscall_32+0x102/0x160 [ 556.341667][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 556.347382][ T8868] do_SYSENTER_32+0x73/0x90 [ 556.352964][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 556.359749][ T8868] [ 556.362077][ T8868] Uninit was stored to memory at: [ 556.367856][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 556.373722][ T8868] __msan_chain_origin+0x57/0xa0 [ 556.378699][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 556.384067][ T8868] get_compat_msghdr+0x108/0x2b0 [ 556.389291][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 556.394274][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 556.399788][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 556.405868][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 556.412060][ T8868] __do_fast_syscall_32+0x102/0x160 [ 556.417291][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 556.422408][ T8868] do_SYSENTER_32+0x73/0x90 [ 556.426928][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 556.433349][ T8868] [ 556.435985][ T8868] Uninit was stored to memory at: [ 556.441030][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 556.446876][ T8868] __msan_chain_origin+0x57/0xa0 [ 556.451831][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 556.457567][ T8868] get_compat_msghdr+0x108/0x2b0 [ 556.462511][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 556.467097][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 556.472857][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 556.479735][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 556.487632][ T8868] __do_fast_syscall_32+0x102/0x160 [ 556.492845][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 556.497856][ T8868] do_SYSENTER_32+0x73/0x90 [ 556.502763][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 556.509193][ T8868] [ 556.511521][ T8868] Uninit was stored to memory at: [ 556.516586][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 556.522515][ T8868] __msan_chain_origin+0x57/0xa0 [ 556.527700][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 556.532817][ T8868] get_compat_msghdr+0x108/0x2b0 [ 556.537921][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 556.542569][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 556.547547][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 556.553672][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 556.560560][ T8868] __do_fast_syscall_32+0x102/0x160 [ 556.565806][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 556.570836][ T8868] do_SYSENTER_32+0x73/0x90 [ 556.575345][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 556.581650][ T8868] [ 556.584003][ T8868] Uninit was stored to memory at: [ 556.589044][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 556.594865][ T8868] __msan_chain_origin+0x57/0xa0 [ 556.599795][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 556.604894][ T8868] get_compat_msghdr+0x108/0x2b0 [ 556.609832][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 556.614325][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 556.619011][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 556.625235][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 556.631420][ T8868] __do_fast_syscall_32+0x102/0x160 [ 556.637128][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 556.642159][ T8868] do_SYSENTER_32+0x73/0x90 [ 556.646755][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 556.653147][ T8868] [ 556.655478][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 556.662344][ T8868] do_recvmmsg+0xbf/0x22f0 [ 556.666765][ T8868] do_recvmmsg+0xbf/0x22f0 [ 556.977435][ T8868] not chained 1530000 origins [ 556.982158][ T8868] CPU: 0 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 556.990995][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 557.001147][ T8868] Call Trace: [ 557.004494][ T8868] dump_stack+0x21c/0x280 [ 557.008842][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 557.014753][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 557.020221][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 557.026404][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 557.031632][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 557.037450][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 557.043616][ T8868] ? __wake_up+0x1fc/0x250 [ 557.048152][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 557.053365][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 557.059181][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 557.066039][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 557.073859][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 557.079785][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 557.086764][ T8868] ? _copy_from_user+0x1fd/0x300 [ 557.091710][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 557.096920][ T8868] __msan_chain_origin+0x57/0xa0 [ 557.101878][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 557.108562][ T8868] get_compat_msghdr+0x108/0x2b0 [ 557.113714][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 557.118380][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 557.123679][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 557.129878][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 557.135164][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 557.140844][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 557.146168][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 557.150950][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 557.155766][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 557.160986][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 557.166563][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 557.172689][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 557.178882][ T8868] __do_fast_syscall_32+0x102/0x160 [ 557.184115][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 557.191696][ T8868] do_SYSENTER_32+0x73/0x90 [ 557.196497][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 557.205023][ T8868] RIP: 0023:0xf7fcc549 [ 557.209128][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 557.230813][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 557.241873][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 557.251450][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 557.259838][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 557.274381][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 557.284338][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 557.295103][ T8868] Uninit was stored to memory at: [ 557.300977][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 557.307107][ T8868] __msan_chain_origin+0x57/0xa0 [ 557.312494][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 557.319328][ T8868] get_compat_msghdr+0x108/0x2b0 [ 557.325378][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 557.341214][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 557.346862][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 557.355548][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 557.363304][ T8868] __do_fast_syscall_32+0x102/0x160 [ 557.370058][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 557.374933][ T8868] do_SYSENTER_32+0x73/0x90 [ 557.380489][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 557.387690][ T8868] [ 557.390817][ T8868] Uninit was stored to memory at: [ 557.398186][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 557.405556][ T8868] __msan_chain_origin+0x57/0xa0 [ 557.411760][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 557.417874][ T8868] get_compat_msghdr+0x108/0x2b0 [ 557.423231][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 557.427859][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 557.433067][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 557.439141][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 557.445316][ T8868] __do_fast_syscall_32+0x102/0x160 [ 557.450516][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 557.455466][ T8868] do_SYSENTER_32+0x73/0x90 [ 557.462008][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 557.468329][ T8868] [ 557.470650][ T8868] Uninit was stored to memory at: [ 557.475688][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 557.481409][ T8868] __msan_chain_origin+0x57/0xa0 [ 557.490090][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 557.495203][ T8868] get_compat_msghdr+0x108/0x2b0 [ 557.500154][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 557.504658][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 557.509354][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 557.520637][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 557.526810][ T8868] __do_fast_syscall_32+0x102/0x160 [ 557.532020][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 557.536874][ T8868] do_SYSENTER_32+0x73/0x90 [ 557.541384][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 557.548502][ T8868] [ 557.551352][ T8868] Uninit was stored to memory at: [ 557.559333][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 557.565711][ T8868] __msan_chain_origin+0x57/0xa0 [ 557.572408][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 557.578239][ T8868] get_compat_msghdr+0x108/0x2b0 [ 557.584078][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 557.588602][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 557.593411][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 557.599883][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 557.608493][ T8868] __do_fast_syscall_32+0x102/0x160 [ 557.616660][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 557.625539][ T8868] do_SYSENTER_32+0x73/0x90 [ 557.632713][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 557.648514][ T8868] [ 557.651308][ T8868] Uninit was stored to memory at: [ 557.659933][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 557.670442][ T8868] __msan_chain_origin+0x57/0xa0 [ 557.675572][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 557.684161][ T8868] get_compat_msghdr+0x108/0x2b0 [ 557.690425][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 557.696779][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 557.704769][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 557.714230][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 557.721202][ T8868] __do_fast_syscall_32+0x102/0x160 [ 557.728101][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 557.734775][ T8868] do_SYSENTER_32+0x73/0x90 [ 557.739861][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 557.747377][ T8868] [ 557.751101][ T8868] Uninit was stored to memory at: [ 557.757684][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 557.765937][ T8868] __msan_chain_origin+0x57/0xa0 [ 557.771336][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 557.776541][ T8868] get_compat_msghdr+0x108/0x2b0 [ 557.782021][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 557.786620][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 557.791922][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 557.798474][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 557.804876][ T8868] __do_fast_syscall_32+0x102/0x160 [ 557.811603][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 557.817374][ T8868] do_SYSENTER_32+0x73/0x90 [ 557.822449][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 557.830564][ T8868] [ 557.834362][ T8868] Uninit was stored to memory at: [ 557.840544][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 557.847344][ T8868] __msan_chain_origin+0x57/0xa0 [ 557.853663][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 557.858858][ T8868] get_compat_msghdr+0x108/0x2b0 [ 557.865400][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 557.870062][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 557.875046][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 557.882158][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 557.889865][ T8868] __do_fast_syscall_32+0x102/0x160 [ 557.896169][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 557.901761][ T8868] do_SYSENTER_32+0x73/0x90 [ 557.906928][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 557.915413][ T8868] [ 557.918567][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 557.925937][ T8868] do_recvmmsg+0xbf/0x22f0 [ 557.930549][ T8868] do_recvmmsg+0xbf/0x22f0 [ 557.948788][ T8807] Bluetooth: hci5: command 0x0409 tx timeout [ 557.956038][ T8807] Bluetooth: hci4: command 0x0419 tx timeout [ 558.379239][ T8868] not chained 1540000 origins [ 558.384177][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 558.392871][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 558.404617][ T8868] Call Trace: [ 558.407927][ T8868] dump_stack+0x21c/0x280 [ 558.412370][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 558.418266][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 558.423476][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 558.429417][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 558.434754][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 558.440589][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 558.446700][ T8868] ? __wake_up+0x1fc/0x250 [ 558.451148][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 558.456376][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 558.462191][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 558.468280][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 558.473662][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 558.479679][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 558.485757][ T8868] ? _copy_from_user+0x1fd/0x300 [ 558.490726][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 558.495916][ T8868] __msan_chain_origin+0x57/0xa0 [ 558.503852][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 558.509065][ T8868] get_compat_msghdr+0x108/0x2b0 [ 558.514077][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 558.518880][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 558.524180][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 558.530077][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 558.535294][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 558.540926][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 558.546228][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 558.551096][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 558.555786][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 558.561236][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 558.566436][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 558.572618][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 558.578791][ T8868] __do_fast_syscall_32+0x102/0x160 [ 558.584015][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 558.588874][ T8868] do_SYSENTER_32+0x73/0x90 [ 558.593386][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 558.599710][ T8868] RIP: 0023:0xf7fcc549 [ 558.605040][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 558.625437][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 558.633938][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 558.641923][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 558.649903][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 558.658084][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 558.667145][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 558.675142][ T8868] Uninit was stored to memory at: [ 558.680213][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 558.685942][ T8868] __msan_chain_origin+0x57/0xa0 [ 558.690898][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 558.696052][ T8868] get_compat_msghdr+0x108/0x2b0 [ 558.701030][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 558.705525][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 558.710209][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 558.716295][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 558.722558][ T8868] __do_fast_syscall_32+0x102/0x160 [ 558.727814][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 558.733325][ T8868] do_SYSENTER_32+0x73/0x90 [ 558.737835][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 558.744297][ T8868] [ 558.746626][ T8868] Uninit was stored to memory at: [ 558.751671][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 558.757939][ T8868] __msan_chain_origin+0x57/0xa0 [ 558.763281][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 558.768756][ T8868] get_compat_msghdr+0x108/0x2b0 [ 558.773785][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 558.778380][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 558.783062][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 558.789120][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 558.795271][ T8868] __do_fast_syscall_32+0x102/0x160 [ 558.800465][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 558.805402][ T8868] do_SYSENTER_32+0x73/0x90 [ 558.810615][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 558.816940][ T8868] [ 558.819268][ T8868] Uninit was stored to memory at: [ 558.824316][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 558.830063][ T8868] __msan_chain_origin+0x57/0xa0 [ 558.834998][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 558.840541][ T8868] get_compat_msghdr+0x108/0x2b0 [ 558.845487][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 558.850261][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 558.857361][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 558.863608][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 558.870684][ T8868] __do_fast_syscall_32+0x102/0x160 [ 558.876131][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 558.881225][ T8868] do_SYSENTER_32+0x73/0x90 [ 558.886108][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 558.892931][ T8868] [ 558.895297][ T8868] Uninit was stored to memory at: [ 558.900449][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 558.906372][ T8868] __msan_chain_origin+0x57/0xa0 [ 558.911521][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 558.916897][ T8868] get_compat_msghdr+0x108/0x2b0 [ 558.921834][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 558.926341][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 558.931074][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 558.937136][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 558.943290][ T8868] __do_fast_syscall_32+0x102/0x160 [ 558.951051][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 558.955906][ T8868] do_SYSENTER_32+0x73/0x90 [ 558.961565][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 558.972217][ T8868] [ 558.976064][ T8868] Uninit was stored to memory at: [ 558.981419][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 558.987712][ T8868] __msan_chain_origin+0x57/0xa0 [ 558.993146][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 558.999687][ T8868] get_compat_msghdr+0x108/0x2b0 [ 559.005431][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 559.009930][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 559.019598][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 559.026167][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 559.033349][ T8868] __do_fast_syscall_32+0x102/0x160 [ 559.038904][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 559.043983][ T8868] do_SYSENTER_32+0x73/0x90 [ 559.048508][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 559.055207][ T8868] [ 559.057544][ T8868] Uninit was stored to memory at: [ 559.063210][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 559.069033][ T8868] __msan_chain_origin+0x57/0xa0 [ 559.074393][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 559.081881][ T8868] get_compat_msghdr+0x108/0x2b0 [ 559.087456][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 559.093057][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 559.097833][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 559.104462][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 559.110619][ T8868] __do_fast_syscall_32+0x102/0x160 [ 559.119796][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 559.124665][ T8868] do_SYSENTER_32+0x73/0x90 [ 559.129210][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 559.135539][ T8868] [ 559.137857][ T8868] Uninit was stored to memory at: [ 559.144178][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 559.149887][ T8868] __msan_chain_origin+0x57/0xa0 [ 559.155453][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 559.163488][ T8868] get_compat_msghdr+0x108/0x2b0 [ 559.172044][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 559.177629][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 559.187684][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 559.195789][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 559.201949][ T8868] __do_fast_syscall_32+0x102/0x160 [ 559.208503][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 559.213556][ T8868] do_SYSENTER_32+0x73/0x90 [ 559.218152][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 559.224462][ T8868] [ 559.226779][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 559.233555][ T8868] do_recvmmsg+0xbf/0x22f0 [ 559.237961][ T8868] do_recvmmsg+0xbf/0x22f0 [ 559.269275][ T8806] bond2 (unregistering): Released all slaves [ 559.289789][ T8806] bond1 (unregistering): Released all slaves [ 559.605699][ T8806] team0 (unregistering): Port device team_slave_1 removed [ 559.627259][ T8806] team0 (unregistering): Port device team_slave_0 removed [ 559.654501][ T8806] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 559.663934][ T8868] not chained 1550000 origins [ 559.663956][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 559.663966][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 559.663972][ T8868] Call Trace: [ 559.664000][ T8868] dump_stack+0x21c/0x280 [ 559.664022][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 559.664039][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 559.664057][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 559.664073][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 559.664091][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 559.664109][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 559.664130][ T8868] ? __wake_up+0x1fc/0x250 [ 559.664149][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 559.664167][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 559.664186][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 559.664203][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 559.664220][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 559.664245][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 559.664265][ T8868] ? _copy_from_user+0x1fd/0x300 [ 559.664282][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 559.664298][ T8868] __msan_chain_origin+0x57/0xa0 [ 559.664318][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 559.664339][ T8868] get_compat_msghdr+0x108/0x2b0 [ 559.664395][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 559.802714][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 559.808815][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 559.815290][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 559.820506][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 559.826415][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 559.831712][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 559.836502][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 559.841681][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 559.846892][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 559.852101][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 559.858250][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 559.865025][ T8868] __do_fast_syscall_32+0x102/0x160 [ 559.870216][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 559.875591][ T8868] do_SYSENTER_32+0x73/0x90 [ 559.880371][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 559.886702][ T8868] RIP: 0023:0xf7fcc549 [ 559.890761][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 559.910719][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 559.923787][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 559.931870][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 559.939844][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 559.947814][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 559.955771][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 559.963757][ T8868] Uninit was stored to memory at: [ 559.968795][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 559.974509][ T8868] __msan_chain_origin+0x57/0xa0 [ 559.979431][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 559.981185][ T4742] Bluetooth: hci5: command 0x041b tx timeout [ 559.984534][ T8868] get_compat_msghdr+0x108/0x2b0 [ 559.984586][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 560.000232][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 560.004928][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 560.011007][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 560.019981][ T8868] __do_fast_syscall_32+0x102/0x160 [ 560.025295][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 560.031925][ T8868] do_SYSENTER_32+0x73/0x90 [ 560.036962][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 560.045215][ T8868] [ 560.047544][ T8868] Uninit was stored to memory at: [ 560.052573][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 560.058355][ T8868] __msan_chain_origin+0x57/0xa0 [ 560.063295][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 560.068403][ T8868] get_compat_msghdr+0x108/0x2b0 [ 560.073530][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 560.081174][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 560.087149][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 560.093416][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 560.099692][ T8868] __do_fast_syscall_32+0x102/0x160 [ 560.105393][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 560.111053][ T8868] do_SYSENTER_32+0x73/0x90 [ 560.115748][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 560.122455][ T8868] [ 560.124987][ T8868] Uninit was stored to memory at: [ 560.130128][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 560.136342][ T8868] __msan_chain_origin+0x57/0xa0 [ 560.141682][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 560.146985][ T8868] get_compat_msghdr+0x108/0x2b0 [ 560.152108][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 560.156784][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 560.161824][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 560.168195][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 560.174571][ T8868] __do_fast_syscall_32+0x102/0x160 [ 560.180026][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 560.185352][ T8868] do_SYSENTER_32+0x73/0x90 [ 560.189857][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 560.196293][ T8868] [ 560.198632][ T8868] Uninit was stored to memory at: [ 560.204380][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 560.210983][ T8868] __msan_chain_origin+0x57/0xa0 [ 560.217434][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 560.224434][ T8868] get_compat_msghdr+0x108/0x2b0 [ 560.230270][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 560.239609][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 560.244329][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 560.251990][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 560.259399][ T8868] __do_fast_syscall_32+0x102/0x160 [ 560.265104][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 560.271238][ T8868] do_SYSENTER_32+0x73/0x90 [ 560.275930][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 560.282395][ T8868] [ 560.285323][ T8868] Uninit was stored to memory at: [ 560.294598][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 560.305363][ T8868] __msan_chain_origin+0x57/0xa0 [ 560.310437][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 560.315551][ T8868] get_compat_msghdr+0x108/0x2b0 [ 560.320654][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 560.325527][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 560.330360][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 560.336877][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 560.344302][ T8868] __do_fast_syscall_32+0x102/0x160 [ 560.349764][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 560.355739][ T8868] do_SYSENTER_32+0x73/0x90 [ 560.360234][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 560.366572][ T8868] [ 560.369036][ T8868] Uninit was stored to memory at: [ 560.374869][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 560.381046][ T8868] __msan_chain_origin+0x57/0xa0 [ 560.386200][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 560.391780][ T8868] get_compat_msghdr+0x108/0x2b0 [ 560.397722][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 560.403431][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 560.408437][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 560.418231][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 560.425149][ T8868] __do_fast_syscall_32+0x102/0x160 [ 560.431586][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 560.436723][ T8868] do_SYSENTER_32+0x73/0x90 [ 560.441707][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 560.448146][ T8868] [ 560.450464][ T8868] Uninit was stored to memory at: [ 560.455669][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 560.461395][ T8868] __msan_chain_origin+0x57/0xa0 [ 560.468074][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 560.473679][ T8868] get_compat_msghdr+0x108/0x2b0 [ 560.478621][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 560.483137][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 560.487955][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 560.494252][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 560.501692][ T8868] __do_fast_syscall_32+0x102/0x160 [ 560.506918][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 560.511873][ T8868] do_SYSENTER_32+0x73/0x90 [ 560.516658][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 560.523094][ T8868] [ 560.525440][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 560.532222][ T8868] do_recvmmsg+0xbf/0x22f0 [ 560.537897][ T8868] do_recvmmsg+0xbf/0x22f0 [ 560.569275][ T8806] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 560.881549][ T8806] bond0 (unregistering): Released all slaves [ 560.908230][ T8868] not chained 1560000 origins [ 560.913857][ T8868] CPU: 1 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 560.929499][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 560.944511][ T8868] Call Trace: [ 560.948634][ T8868] dump_stack+0x21c/0x280 [ 560.955228][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 560.961850][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 560.967409][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 560.973706][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 560.979525][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 560.985897][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 560.992155][ T8868] ? __wake_up+0x1fc/0x250 [ 560.996574][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 561.002254][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 561.008298][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 561.014538][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 561.019980][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 561.025871][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 561.031950][ T8868] ? _copy_from_user+0x1fd/0x300 [ 561.036910][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 561.042203][ T8868] __msan_chain_origin+0x57/0xa0 [ 561.047149][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 561.052397][ T8868] get_compat_msghdr+0x108/0x2b0 [ 561.057431][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 561.062040][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 561.067439][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 561.073364][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 561.078789][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 561.084593][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 561.090268][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 561.099093][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 561.103903][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 561.109217][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 561.114590][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 561.121312][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 561.127580][ T8868] __do_fast_syscall_32+0x102/0x160 [ 561.132822][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 561.137726][ T8868] do_SYSENTER_32+0x73/0x90 [ 561.142822][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 561.149338][ T8868] RIP: 0023:0xf7fcc549 [ 561.153553][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 561.174977][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 561.183531][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 561.191692][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 561.199765][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 561.208018][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 561.216009][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 561.224807][ T8868] Uninit was stored to memory at: [ 561.229832][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 561.235545][ T8868] __msan_chain_origin+0x57/0xa0 [ 561.240479][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 561.245590][ T8868] get_compat_msghdr+0x108/0x2b0 [ 561.250995][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 561.255716][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 561.260407][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 561.266510][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 561.272718][ T8868] __do_fast_syscall_32+0x102/0x160 [ 561.277914][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 561.282856][ T8868] do_SYSENTER_32+0x73/0x90 [ 561.287381][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 561.294212][ T8868] [ 561.296533][ T8868] Uninit was stored to memory at: [ 561.301991][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 561.307705][ T8868] __msan_chain_origin+0x57/0xa0 [ 561.312635][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 561.317739][ T8868] get_compat_msghdr+0x108/0x2b0 [ 561.322784][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 561.327281][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 561.331980][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 561.338605][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 561.344755][ T8868] __do_fast_syscall_32+0x102/0x160 [ 561.349973][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 561.354825][ T8868] do_SYSENTER_32+0x73/0x90 [ 561.359357][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 561.365751][ T8868] [ 561.368067][ T8868] Uninit was stored to memory at: [ 561.373083][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 561.378814][ T8868] __msan_chain_origin+0x57/0xa0 [ 561.384202][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 561.389323][ T8868] get_compat_msghdr+0x108/0x2b0 [ 561.394256][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 561.398750][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 561.404836][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 561.411796][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 561.419286][ T8868] __do_fast_syscall_32+0x102/0x160 [ 561.425018][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 561.429875][ T8868] do_SYSENTER_32+0x73/0x90 [ 561.434384][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 561.440693][ T8868] [ 561.443005][ T8868] Uninit was stored to memory at: [ 561.448024][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 561.455284][ T8868] __msan_chain_origin+0x57/0xa0 [ 561.462736][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 561.468925][ T8868] get_compat_msghdr+0x108/0x2b0 [ 561.475561][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 561.482899][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 561.488681][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 561.495300][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 561.507617][ T8868] __do_fast_syscall_32+0x102/0x160 [ 561.515568][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 561.523703][ T8868] do_SYSENTER_32+0x73/0x90 [ 561.530333][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 561.540210][ T8868] [ 561.545336][ T8868] Uninit was stored to memory at: [ 561.552086][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 561.559845][ T8868] __msan_chain_origin+0x57/0xa0 [ 561.569258][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 561.576833][ T8868] get_compat_msghdr+0x108/0x2b0 [ 561.584507][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 561.590423][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 561.598194][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 561.611718][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 561.620621][ T8868] __do_fast_syscall_32+0x102/0x160 [ 561.626109][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 561.631407][ T8868] do_SYSENTER_32+0x73/0x90 [ 561.636414][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 561.642916][ T8868] [ 561.645324][ T8868] Uninit was stored to memory at: [ 561.650351][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 561.656060][ T8868] __msan_chain_origin+0x57/0xa0 [ 561.660990][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 561.666093][ T8868] get_compat_msghdr+0x108/0x2b0 [ 561.671122][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 561.675619][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 561.680288][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 561.686345][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 561.692508][ T8868] __do_fast_syscall_32+0x102/0x160 [ 561.697722][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 561.702573][ T8868] do_SYSENTER_32+0x73/0x90 [ 561.707070][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 561.713378][ T8868] [ 561.715692][ T8868] Uninit was stored to memory at: [ 561.720720][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 561.726426][ T8868] __msan_chain_origin+0x57/0xa0 [ 561.731368][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 561.736478][ T8868] get_compat_msghdr+0x108/0x2b0 [ 561.741405][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 561.745896][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 561.750564][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 561.756624][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 561.762772][ T8868] __do_fast_syscall_32+0x102/0x160 [ 561.767963][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 561.772805][ T8868] do_SYSENTER_32+0x73/0x90 [ 561.777301][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 561.783605][ T8868] [ 561.785918][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 561.792582][ T8868] do_recvmmsg+0xbf/0x22f0 [ 561.796986][ T8868] do_recvmmsg+0xbf/0x22f0 [ 561.897472][ T9149] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 561.979755][ T9432] IPVS: ftp: loaded support on port[0] = 21 [ 562.012051][ T9149] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 562.067781][ T9488] IPVS: ftp: loaded support on port[0] = 21 [ 562.083036][ T8471] Bluetooth: hci5: command 0x040f tx timeout [ 562.117703][ T9174] bridge0: port 1(bridge_slave_0) entered blocking state [ 562.125193][ T9174] bridge0: port 1(bridge_slave_0) entered disabled state [ 562.134761][ T9174] device bridge_slave_0 entered promiscuous mode [ 562.251627][ T9149] team0: Port device team_slave_0 added [ 562.307172][ T9149] team0: Port device team_slave_1 added [ 562.322971][ T9174] bridge0: port 2(bridge_slave_1) entered blocking state [ 562.330752][ T9174] bridge0: port 2(bridge_slave_1) entered disabled state [ 562.340751][ T9174] device bridge_slave_1 entered promiscuous mode [ 562.468831][ T9149] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 562.476416][ T9149] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 562.504266][ T9149] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 562.539340][ T9149] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 562.547703][ T9149] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 562.574002][ T9149] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 562.626719][ T9174] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 562.691357][ T8868] not chained 1570000 origins [ 562.696282][ T8868] CPU: 0 PID: 8868 Comm: syz-executor.1 Not tainted 5.10.0-rc4-syzkaller #0 [ 562.705400][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 562.715745][ T8868] Call Trace: [ 562.720400][ T8868] dump_stack+0x21c/0x280 [ 562.724855][ T8868] kmsan_internal_chain_origin+0x6f/0x130 [ 562.725742][ T9174] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 562.730756][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 562.730773][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 562.730787][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 562.730806][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 562.730823][ T8868] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 562.730842][ T8868] ? __wake_up+0x1fc/0x250 [ 562.730857][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 562.730874][ T8868] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 562.730893][ T8868] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 562.730909][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 562.730923][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 562.730945][ T8868] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 562.730962][ T8868] ? _copy_from_user+0x1fd/0x300 [ 562.730979][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 562.731002][ T8868] __msan_chain_origin+0x57/0xa0 [ 562.731024][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 562.731048][ T8868] get_compat_msghdr+0x108/0x2b0 [ 562.731072][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 562.731096][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 562.731115][ T8868] ? kmsan_internal_check_memory+0xb1/0x520 [ 562.731135][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 562.731151][ T8868] ? kmsan_internal_set_origin+0x85/0xc0 [ 562.731167][ T8868] ? __msan_poison_alloca+0xe9/0x110 [ 562.731187][ T8868] ? __sys_recvmmsg+0xb5/0x6f0 [ 562.731204][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 562.731220][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 562.731237][ T8868] ? kmsan_get_metadata+0x116/0x180 [ 562.731256][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 562.731315][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 562.898798][ T8868] __do_fast_syscall_32+0x102/0x160 [ 562.904222][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 562.909128][ T8868] do_SYSENTER_32+0x73/0x90 [ 562.914437][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 562.921860][ T8868] RIP: 0023:0xf7fcc549 [ 562.925943][ T8868] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 562.945744][ T8868] RSP: 002b:00000000f55c60cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 562.954181][ T8868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020004000 [ 562.962213][ T8868] RDX: 0000000004000361 RSI: 0000000000000002 RDI: 0000000000000000 [ 562.970333][ T8868] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 562.978673][ T8868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 562.986765][ T8868] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 562.994868][ T8868] Uninit was stored to memory at: [ 563.000014][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 563.005769][ T8868] __msan_chain_origin+0x57/0xa0 [ 563.010734][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 563.015862][ T8868] get_compat_msghdr+0x108/0x2b0 [ 563.020916][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 563.025567][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 563.030393][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 563.036522][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 563.043054][ T8868] __do_fast_syscall_32+0x102/0x160 [ 563.048543][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 563.053942][ T8868] do_SYSENTER_32+0x73/0x90 [ 563.058640][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 563.065858][ T8868] [ 563.068409][ T8868] Uninit was stored to memory at: [ 563.073449][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 563.080499][ T8868] __msan_chain_origin+0x57/0xa0 [ 563.085817][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 563.091209][ T8868] get_compat_msghdr+0x108/0x2b0 [ 563.096342][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 563.101032][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 563.105725][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 563.111816][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 563.118087][ T8868] __do_fast_syscall_32+0x102/0x160 [ 563.123300][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 563.128174][ T8868] do_SYSENTER_32+0x73/0x90 [ 563.132692][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 563.139013][ T8868] [ 563.141857][ T8868] Uninit was stored to memory at: [ 563.146987][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 563.152901][ T8868] __msan_chain_origin+0x57/0xa0 [ 563.158974][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 563.164119][ T8868] get_compat_msghdr+0x108/0x2b0 [ 563.169167][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 563.173700][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 563.178385][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 563.184504][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 563.191247][ T8868] __do_fast_syscall_32+0x102/0x160 [ 563.197012][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 563.204317][ T8868] do_SYSENTER_32+0x73/0x90 [ 563.209017][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 563.216732][ T8868] [ 563.219097][ T8868] Uninit was stored to memory at: [ 563.226320][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 563.235543][ T8868] __msan_chain_origin+0x57/0xa0 [ 563.243094][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 563.248518][ T8868] get_compat_msghdr+0x108/0x2b0 [ 563.254033][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 563.259895][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 563.272200][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 563.280505][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 563.287065][ T8868] __do_fast_syscall_32+0x102/0x160 [ 563.292738][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 563.298444][ T8868] do_SYSENTER_32+0x73/0x90 [ 563.303279][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 563.314386][ T8868] [ 563.317022][ T8868] Uninit was stored to memory at: [ 563.322657][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 563.331467][ T8868] __msan_chain_origin+0x57/0xa0 [ 563.336429][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 563.341963][ T8868] get_compat_msghdr+0x108/0x2b0 [ 563.347736][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 563.353048][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 563.357769][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 563.364979][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 563.372280][ T8868] __do_fast_syscall_32+0x102/0x160 [ 563.377747][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 563.383943][ T8868] do_SYSENTER_32+0x73/0x90 [ 563.392631][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 563.399412][ T8868] [ 563.401853][ T8868] Uninit was stored to memory at: [ 563.406891][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 563.417006][ T8868] __msan_chain_origin+0x57/0xa0 [ 563.422311][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 563.427453][ T8868] get_compat_msghdr+0x108/0x2b0 [ 563.433021][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 563.440144][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 563.444845][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 563.453103][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 563.459867][ T8868] __do_fast_syscall_32+0x102/0x160 [ 563.465742][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 563.470732][ T8868] do_SYSENTER_32+0x73/0x90 [ 563.475876][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 563.482551][ T8868] [ 563.489636][ T8868] Uninit was stored to memory at: [ 563.494762][ T8868] kmsan_internal_chain_origin+0xad/0x130 [ 563.500492][ T8868] __msan_chain_origin+0x57/0xa0 [ 563.505465][ T8868] __get_compat_msghdr+0x6db/0x9d0 [ 563.510592][ T8868] get_compat_msghdr+0x108/0x2b0 [ 563.515628][ T8868] do_recvmmsg+0xdd1/0x22f0 [ 563.520143][ T8868] __sys_recvmmsg+0x519/0x6f0 [ 563.524901][ T8868] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 563.531003][ T8868] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 563.537263][ T8868] __do_fast_syscall_32+0x102/0x160 [ 563.542472][ T8868] do_fast_syscall_32+0x6a/0xc0 [ 563.547335][ T8868] do_SYSENTER_32+0x73/0x90 [ 563.552153][ T8868] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 563.560224][ T8868] [ 563.562568][ T8868] Local variable ----msg_sys@do_recvmmsg created at: [ 563.569445][ T8868] do_recvmmsg+0xbf/0x22f0 [ 563.574127][ T8868] do_recvmmsg+0xbf/0x22f0 [ 563.619333][ T9149] device hsr_slave_0 entered promiscuous mode [ 563.705022][ T9149] device hsr_slave_1 entered promiscuous mode [ 563.760382][ T9174] team0: Port device team_slave_0 added [ 563.875407][ T9432] chnl_net:caif_netlink_parms(): no params data found [ 563.892939][ T9174] team0: Port device team_slave_1 added [ 564.141222][ T8484] Bluetooth: hci5: command 0x0419 tx timeout [ 564.327841][ T9488] chnl_net:caif_netlink_parms(): no params data found [ 564.346306][ T9174] batman_adv: batadv0: Adding interface: batadv_slave_0 08:47:24 executing program 2: r0 = socket$inet6(0x1c, 0x1, 0x0) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f0000001180)={0x1c, 0x1c, 0x1}, 0x1c) [ 564.354040][ T9174] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 564.382040][ T9174] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active 08:47:24 executing program 1: r0 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f0000000240)={0x1c, 0x1c}, 0x1c) [ 564.430117][ T9174] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 564.437971][ T9174] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 564.464772][ T9174] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 564.854497][ T9432] bridge0: port 1(bridge_slave_0) entered blocking state [ 564.862051][ T9432] bridge0: port 1(bridge_slave_0) entered disabled state [ 564.872035][ T9432] device bridge_slave_0 entered promiscuous mode [ 565.018845][ T9174] device hsr_slave_0 entered promiscuous mode 08:47:25 executing program 2: openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x202, 0x0) [ 565.072184][ T9174] device hsr_slave_1 entered promiscuous mode [ 565.086302][ T9174] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 565.094414][ T9174] Cannot create hsr debugfs directory [ 565.121850][ T9432] bridge0: port 2(bridge_slave_1) entered blocking state [ 565.129248][ T9432] bridge0: port 2(bridge_slave_1) entered disabled state [ 565.139584][ T9432] device bridge_slave_1 entered promiscuous mode [ 565.149119][ T9149] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 565.515341][ T8806] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 08:47:26 executing program 2: r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) sendto$inet6(r0, &(0x7f0000000000)="b4", 0x1, 0x0, &(0x7f00000000c0)={0x1c, 0x1c, 0x3}, 0x1c) [ 565.635230][ T9149] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 565.928201][ T8806] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 565.979086][ T9488] bridge0: port 1(bridge_slave_0) entered blocking state [ 565.988811][ T9488] bridge0: port 1(bridge_slave_0) entered disabled state [ 565.998801][ T9488] device bridge_slave_0 entered promiscuous mode [ 566.011285][ T9149] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 566.095528][ T9149] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 566.375794][ T8806] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 566.456736][ T9432] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 566.475810][ T9488] bridge0: port 2(bridge_slave_1) entered blocking state [ 566.484507][ T9488] bridge0: port 2(bridge_slave_1) entered disabled state [ 566.494770][ T9488] device bridge_slave_1 entered promiscuous mode [ 566.654916][ T8806] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 566.724646][ T9432] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 566.866326][ T9488] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 566.949605][ T9432] team0: Port device team_slave_0 added [ 566.961567][ T9488] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 567.050822][ T9432] team0: Port device team_slave_1 added [ 567.483025][ T9432] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 567.490195][ T9432] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 567.517591][ T9432] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 567.555012][ T9488] team0: Port device team_slave_0 added [ 568.377268][ T9488] team0: Port device team_slave_1 added [ 568.385592][ T9432] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 568.393304][ T9432] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 568.419577][ T9432] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 568.519936][ T9488] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 568.528541][ T9488] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 568.559925][ T9488] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 568.582619][ T9174] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 568.683451][ T9174] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 568.722948][ T9174] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 568.764204][ T9432] device hsr_slave_0 entered promiscuous mode [ 568.802685][ T9432] device hsr_slave_1 entered promiscuous mode [ 568.832379][ T9432] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 568.840166][ T9432] Cannot create hsr debugfs directory [ 568.855196][ T9488] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 568.863231][ T9488] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 568.893791][ T9488] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 568.906038][ T9174] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 569.573183][ T9488] device hsr_slave_0 entered promiscuous mode [ 569.598945][ T9488] device hsr_slave_1 entered promiscuous mode [ 569.618144][ T9488] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 569.626291][ T9488] Cannot create hsr debugfs directory [ 569.749011][ T9149] 8021q: adding VLAN 0 to HW filter on device bond0 [ 570.002591][ T8808] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 570.017933][ T8808] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 570.098342][ T9149] 8021q: adding VLAN 0 to HW filter on device team0 [ 570.233841][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 570.244095][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 570.255301][ T8483] bridge0: port 1(bridge_slave_0) entered blocking state [ 570.262977][ T8483] bridge0: port 1(bridge_slave_0) entered forwarding state [ 570.334137][ T8808] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 570.365265][ T9432] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 570.412944][ T9432] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 570.504973][ T9432] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 570.532570][ T9432] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 570.563518][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 570.573780][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 570.583409][ T8474] bridge0: port 2(bridge_slave_1) entered blocking state [ 570.591728][ T8474] bridge0: port 2(bridge_slave_1) entered forwarding state [ 570.684113][ T9742] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 571.096081][ T8471] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 571.152699][T10063] IPVS: ftp: loaded support on port[0] = 21 [ 571.272259][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 571.284904][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 571.305868][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 571.542926][ T8806] device hsr_slave_0 left promiscuous mode [ 571.556244][ T8806] device hsr_slave_1 left promiscuous mode [ 571.567908][ T8806] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 571.580354][ T8806] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 571.593537][ T8806] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 571.609516][ T8806] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 571.630137][ T8806] device bridge_slave_1 left promiscuous mode [ 571.640442][ T8806] bridge0: port 2(bridge_slave_1) entered disabled state [ 571.654988][ T8806] device bridge_slave_0 left promiscuous mode [ 571.666256][ T8806] bridge0: port 1(bridge_slave_0) entered disabled state [ 571.687558][ T8806] device veth1_macvtap left promiscuous mode [ 571.700565][ T8806] device veth0_macvtap left promiscuous mode [ 571.708644][ T8806] device veth1_vlan left promiscuous mode [ 571.715396][ T8806] device veth0_vlan left promiscuous mode [ 572.781676][ T8484] Bluetooth: hci1: command 0x0409 tx timeout [ 573.607019][ T8806] team0 (unregistering): Port device team_slave_1 removed [ 573.625396][ T8806] team0 (unregistering): Port device team_slave_0 removed [ 573.639562][ T8806] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 573.667797][ T8806] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 573.747123][ T8806] bond0 (unregistering): Released all slaves [ 573.821802][ T8471] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 573.832239][ T8471] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 573.857027][ T9174] 8021q: adding VLAN 0 to HW filter on device bond0 [ 573.943915][ T8471] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 573.953986][ T8471] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 573.963596][ T8471] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 573.973277][ T8471] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 574.009572][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 574.018420][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 574.058092][ T9149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 574.174591][ T9174] 8021q: adding VLAN 0 to HW filter on device team0 [ 574.194609][T10063] chnl_net:caif_netlink_parms(): no params data found [ 574.250261][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 574.260094][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 574.269516][ T8483] bridge0: port 1(bridge_slave_0) entered blocking state [ 574.276917][ T8483] bridge0: port 1(bridge_slave_0) entered forwarding state [ 574.290472][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 574.347792][ T9742] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 574.357884][ T9742] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 574.367602][ T9742] bridge0: port 2(bridge_slave_1) entered blocking state [ 574.375013][ T9742] bridge0: port 2(bridge_slave_1) entered forwarding state [ 574.473989][ T8471] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 574.485453][ T8471] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 574.586820][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 574.596117][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 574.620607][ T9149] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 574.698209][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 574.709283][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 574.719686][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 574.730057][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 574.785864][T10063] bridge0: port 1(bridge_slave_0) entered blocking state [ 574.793311][T10063] bridge0: port 1(bridge_slave_0) entered disabled state [ 574.803175][T10063] device bridge_slave_0 entered promiscuous mode [ 574.863062][ T9432] 8021q: adding VLAN 0 to HW filter on device bond0 [ 574.871599][T10063] bridge0: port 2(bridge_slave_1) entered blocking state [ 574.878884][T10063] bridge0: port 2(bridge_slave_1) entered disabled state [ 574.888857][T10063] device bridge_slave_1 entered promiscuous mode [ 574.908909][ T9174] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 574.920584][ T9174] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 574.951337][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 574.961261][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 574.971088][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 574.981571][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 574.991390][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 575.088877][ T9432] 8021q: adding VLAN 0 to HW filter on device team0 [ 575.144674][ T9488] 8021q: adding VLAN 0 to HW filter on device bond0 [ 575.155326][ T8484] Bluetooth: hci1: command 0x041b tx timeout [ 575.208608][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 575.217789][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 575.227373][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 575.236427][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 575.246556][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 575.256111][ T8484] bridge0: port 1(bridge_slave_0) entered blocking state [ 575.263541][ T8484] bridge0: port 1(bridge_slave_0) entered forwarding state [ 575.272807][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 575.280750][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 575.288914][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 575.298956][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 575.308396][ T8484] bridge0: port 2(bridge_slave_1) entered blocking state [ 575.315824][ T8484] bridge0: port 2(bridge_slave_1) entered forwarding state [ 575.340605][ T8471] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 575.350489][ T8471] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 575.368229][T10063] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 575.419357][ T9174] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 575.464879][T10063] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 575.512993][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 575.524210][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 575.533897][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 575.601269][ T9488] 8021q: adding VLAN 0 to HW filter on device team0 [ 575.666818][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 575.677170][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 575.687790][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 575.698162][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 575.708871][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 575.719358][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 575.729951][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 575.741052][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 575.775213][T10063] team0: Port device team_slave_0 added [ 575.797473][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 575.819427][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 575.829712][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 575.839096][ T8484] bridge0: port 1(bridge_slave_0) entered blocking state [ 575.846456][ T8484] bridge0: port 1(bridge_slave_0) entered forwarding state [ 575.879342][T10063] team0: Port device team_slave_1 added [ 575.895886][ T9432] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 575.908970][ T9432] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 575.957272][ T9149] device veth0_vlan entered promiscuous mode [ 576.002314][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 576.012096][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 576.022160][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 576.031992][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 576.042096][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 576.052807][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 576.062046][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 576.070802][ T8474] bridge0: port 2(bridge_slave_1) entered blocking state [ 576.078282][ T8474] bridge0: port 2(bridge_slave_1) entered forwarding state [ 576.087458][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 576.097054][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 576.107301][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 576.135208][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 576.146269][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 576.194705][ T8471] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 576.232278][T10063] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 576.239385][T10063] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 576.265766][T10063] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 576.293078][ T9149] device veth1_vlan entered promiscuous mode [ 576.369383][T10063] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 576.379746][T10063] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 576.405906][T10063] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 576.433241][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 576.443034][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 576.518305][ T9174] device veth0_vlan entered promiscuous mode [ 576.583800][ T9432] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 576.592912][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 576.602235][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 576.611380][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 576.620354][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 576.628943][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 576.639426][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 576.649767][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 576.660089][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 576.747102][ T9174] device veth1_vlan entered promiscuous mode [ 576.778990][ T9488] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 576.789691][ T9488] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 576.862287][ T9149] device veth0_macvtap entered promiscuous mode [ 576.907055][ T8472] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 576.917273][ T8472] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 576.927223][ T8472] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 576.937093][ T8472] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 576.946886][ T8472] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 576.957303][ T8472] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 576.967696][ T8472] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 576.978008][ T8472] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 576.987883][ T8472] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 577.020552][T10063] device hsr_slave_0 entered promiscuous mode [ 577.048695][T10063] device hsr_slave_1 entered promiscuous mode [ 577.059394][T10063] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 577.068362][T10063] Cannot create hsr debugfs directory [ 577.121288][ T9742] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 577.130148][ T9742] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 577.173825][ T9149] device veth1_macvtap entered promiscuous mode [ 577.203783][ T8474] Bluetooth: hci1: command 0x040f tx timeout [ 577.283346][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 577.293802][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 577.321598][ T9174] device veth0_macvtap entered promiscuous mode [ 577.348239][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 577.358156][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 577.366166][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 577.395598][ T9174] device veth1_macvtap entered promiscuous mode [ 577.441910][ T9149] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 577.452934][ T9149] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 577.467486][ T9149] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 577.485088][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 577.495207][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 577.505634][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 577.524450][ T9488] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 577.588814][ T9149] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 577.599955][ T9149] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 577.615804][ T9149] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 577.641885][ T9742] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 577.652322][ T9742] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 577.662810][ T9742] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 577.673121][ T9742] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 577.713232][ T9174] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 577.724421][ T9174] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 577.734563][ T9174] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 577.745228][ T9174] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 577.759826][ T9174] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 577.769578][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 577.780200][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 577.823577][ T9149] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 577.834181][ T9149] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 577.843186][ T9149] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 577.852079][ T9149] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 577.899416][ T9174] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 577.910664][ T9174] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 577.920787][ T9174] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 577.935471][ T9174] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 577.950033][ T9174] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 577.965935][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 577.976466][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 578.163998][ T9432] device veth0_vlan entered promiscuous mode [ 578.173320][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 578.183536][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 578.245516][ T9174] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 578.254509][ T9174] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 578.263612][ T9174] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 578.272643][ T9174] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 578.366787][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 578.376185][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 578.416617][ T9432] device veth1_vlan entered promiscuous mode [ 578.631277][ T8806] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 578.641706][ T8806] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 578.702737][ T8808] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 578.712583][ T8808] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 578.722756][ T8808] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 578.891413][ T736] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 578.899632][ T736] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 578.909028][ T8472] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 579.191978][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 579.202715][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 579.250038][ T9432] device veth0_macvtap entered promiscuous mode [ 579.296550][ T8474] Bluetooth: hci1: command 0x0419 tx timeout [ 579.318983][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 579.328820][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 579.338890][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 579.351150][ T8806] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 579.359080][ T8806] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 579.442242][ T9488] device veth0_vlan entered promiscuous mode [ 579.468431][ T9432] device veth1_macvtap entered promiscuous mode [ 579.533383][ T9742] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 579.542953][ T9742] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 579.552310][ T9742] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 579.630341][ T9488] device veth1_vlan entered promiscuous mode [ 579.653811][ T8473] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 579.662331][ T8473] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 579.701738][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 579.711881][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 579.849626][ T9432] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 579.861559][ T9432] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 579.871698][ T9432] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 579.882340][ T9432] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 579.892383][ T9432] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 579.903042][ T9432] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 579.918130][ T9432] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 579.951831][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 579.962236][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 579.972958][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 580.030115][T10063] 8021q: adding VLAN 0 to HW filter on device bond0 [ 580.083920][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 580.094669][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 580.158480][ T9488] device veth0_macvtap entered promiscuous mode [ 580.267216][ T9742] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 580.277479][ T9742] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 580.286820][ T9742] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 580.317609][ T9432] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 580.328573][ T9432] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 580.339517][ T9432] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 580.352119][ T9432] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 580.362466][ T9432] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 580.373090][ T9432] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 580.388010][ T9432] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 580.400796][T10063] 8021q: adding VLAN 0 to HW filter on device team0 [ 580.423938][ T9488] device veth1_macvtap entered promiscuous mode [ 580.441476][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 580.453536][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 580.611782][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 580.622875][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 580.632132][ T8484] bridge0: port 1(bridge_slave_0) entered blocking state [ 580.639408][ T8484] bridge0: port 1(bridge_slave_0) entered forwarding state [ 580.648723][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 580.658751][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 580.668140][ T8484] bridge0: port 2(bridge_slave_1) entered blocking state [ 580.675557][ T8484] bridge0: port 2(bridge_slave_1) entered forwarding state [ 580.779539][ T9488] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 580.791026][ T9488] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 580.801186][ T9488] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 580.812595][ T9488] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 580.822718][ T9488] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 580.833378][ T9488] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 580.843467][ T9488] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 580.854275][ T9488] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 580.869315][ T9488] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 580.884425][ T9432] netdevsim netdevsim5 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 580.893448][ T9432] netdevsim netdevsim5 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 580.902446][ T9432] netdevsim netdevsim5 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 580.911648][ T9432] netdevsim netdevsim5 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 580.942993][ T8807] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 580.952843][ T8807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 580.963876][ T8807] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 580.974833][ T8807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 580.985343][ T8807] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 580.995752][ T8807] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 581.006101][ T8807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 581.028132][ T9488] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 581.038888][ T9488] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 581.049149][ T9488] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 581.060824][ T9488] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 581.071076][ T9488] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 581.081684][ T9488] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 581.091768][ T9488] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 581.102600][ T9488] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 581.117292][ T9488] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 581.139554][ T8807] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 581.149660][ T8807] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 581.161453][ T8807] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 581.226287][ T9742] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 581.238024][ T9742] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 581.371295][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 581.381227][ T8483] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 581.524707][T10063] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 581.538033][T10063] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 581.561750][ T9742] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 581.571464][ T9742] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 581.755422][ T736] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 581.763443][ T736] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 581.787211][ T9046] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 581.850637][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 581.859325][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 582.060774][ T8473] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 582.068855][ T8473] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 582.096679][ T8807] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 582.122772][T10063] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 582.288011][ T8473] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 582.296233][ T8473] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 582.309818][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 582.507735][ T9484] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 582.516059][ T9484] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 582.533021][ T8808] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 582.682433][T10464] vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(6) [ 582.689119][T10464] vhci_hcd vhci_hcd.0: devid(0) speed(5) speed_str(super-speed) 08:47:43 executing program 0: r0 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a) setsockopt$inet6_buf(r0, 0x29, 0x50, 0x0, 0x0) 08:47:43 executing program 2: mmap(&(0x7f0000ffb000/0x2000)=nil, 0x2000, 0x0, 0x10, 0xffffffffffffffff, 0x2) 08:47:43 executing program 4: syz_emit_ethernet(0x5ce, &(0x7f0000000240)={@broadcast, @broadcast, @val, {@ipv6}}, 0x0) [ 582.792073][T10466] vhci_hcd: connection closed [ 582.806985][ T8473] vhci_hcd: stop threads [ 582.816322][ T8473] vhci_hcd: release socket [ 582.820817][ T8473] vhci_hcd: disconnect device [ 583.111900][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 583.122685][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 583.239988][T10063] device veth0_vlan entered promiscuous mode [ 583.268247][ T8471] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 583.278691][ T8471] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 583.321634][T10480] vhci_hcd vhci_hcd.0: pdev(5) rhport(1) sockfd(6) [ 583.328328][T10480] vhci_hcd vhci_hcd.0: devid(0) speed(5) speed_str(super-speed) [ 583.405829][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 583.417326][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 583.448517][T10063] device veth1_vlan entered promiscuous mode [ 583.480778][ T8471] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 583.524786][T10481] vhci_hcd: connection closed [ 583.535194][ T736] vhci_hcd: stop threads [ 583.544497][ T736] vhci_hcd: release socket [ 583.549002][ T736] vhci_hcd: disconnect device 08:47:44 executing program 5: r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendmsg$inet_sctp(r0, &(0x7f0000002740)={&(0x7f0000000100)=@in={0x10, 0x2}, 0x10, &(0x7f0000002680)=[{&(0x7f0000000200)="89", 0x1}], 0x1}, 0x0) listen(r0, 0x0) 08:47:44 executing program 3: r0 = socket(0x2, 0x3, 0x0) fcntl$lock(r0, 0xf, 0x0) 08:47:44 executing program 4: socketpair(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendto(r1, 0x0, 0x0, 0x0, 0x0, 0x0) sendto(r1, 0x0, 0x0, 0x0, 0x0, 0x0) recvfrom$unix(r0, &(0x7f0000000100)=""/129, 0x81, 0x0, 0x0, 0x0) sendto(r1, &(0x7f00000001c0)='@', 0x1, 0x0, 0x0, 0x0) 08:47:44 executing program 2: symlinkat(&(0x7f0000000180)='\x00', 0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00') renameat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00') 08:47:44 executing program 0: r0 = socket$inet6(0x1c, 0x1, 0x0) sendmsg(r0, &(0x7f0000000440)={&(0x7f0000000000)=@un=@abs={0x8}, 0x8, 0x0, 0x0, 0x0, 0x130}, 0x20001) [ 583.860343][ T9046] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 583.870553][ T9046] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 583.992066][T10063] device veth0_macvtap entered promiscuous mode [ 584.130517][T10063] device veth1_macvtap entered promiscuous mode 08:47:44 executing program 2: mlock(&(0x7f0000ffc000/0x3000)=nil, 0x3000) munmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000) [ 584.380395][T10063] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 584.393089][T10063] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 584.403227][T10063] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 584.413819][T10063] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 584.423891][T10063] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 584.434500][T10063] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 584.444545][T10063] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 584.455148][T10063] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 584.465183][T10063] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 584.475771][T10063] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 584.490428][T10063] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 584.506261][ T8472] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 584.516114][ T8472] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 584.525884][ T8472] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 584.536361][ T8472] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 584.621439][T10063] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 584.633240][T10063] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 584.643354][T10063] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 584.653929][T10063] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 584.663933][T10063] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 584.674501][T10063] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 584.684545][T10063] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 584.695186][T10063] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 584.705201][T10063] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 584.715836][T10063] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 584.730998][T10063] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 584.740163][ T8472] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 584.750818][ T8472] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 585.316727][ T736] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 585.325092][ T736] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 585.333641][ T9046] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 585.448833][ T8806] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 585.457260][ T8806] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 585.470008][T10517] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 08:47:46 executing program 1: r0 = socket$inet6(0x1c, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x27, &(0x7f0000000080), 0x4) 08:47:46 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) bind$unix(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="0a01162f66"], 0xa) 08:47:46 executing program 3: r0 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a) setsockopt$inet6_int(r0, 0x29, 0x3d, 0x0, 0x0) 08:47:46 executing program 5: msgget(0x3, 0x682) 08:47:46 executing program 0: r0 = socket(0x18, 0x1, 0x0) getsockname(r0, 0x0, &(0x7f0000000080)) 08:47:46 executing program 2: r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) r1 = fcntl$dupfd(r0, 0x0, r0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0xa, &(0x7f0000000040), &(0x7f0000000100)=0x98) 08:47:46 executing program 5: r0 = socket$inet_sctp(0x2, 0x5, 0x84) bind$inet(r0, &(0x7f0000000080)={0x10, 0x2}, 0x10) connect$inet(r0, &(0x7f00000001c0)={0x10, 0x2}, 0x10) 08:47:46 executing program 0: r0 = socket$inet6_udp(0x1c, 0x2, 0x0) setsockopt$inet6_group_source_req(r0, 0x29, 0x53, &(0x7f00000002c0)={0x0, {{0x1c, 0x1c, 0x2}}, {{0x1c, 0x1c}}}, 0x108) 08:47:46 executing program 4: munmap(&(0x7f0000ffb000/0x4000)=nil, 0x4000) mlock(&(0x7f0000fff000/0x1000)=nil, 0x1000) munmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000) 08:47:46 executing program 3: symlinkat(&(0x7f0000000180)='\x00', 0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00') fchownat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x200) renameat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00') 08:47:46 executing program 1: r0 = socket$unix(0x1, 0x1, 0x0) sendmsg(r0, &(0x7f0000001d00)={0x0, 0x0, 0x0}, 0xf90884c39f3663e9) 08:47:46 executing program 2: r0 = socket$inet6(0x1c, 0x30000003, 0x0) sendmsg(r0, &(0x7f0000001300)={&(0x7f0000000000)=@in6={0x1c, 0x1c}, 0x1c, 0x0, 0x0, &(0x7f0000001340)=ANY=[@ANYBLOB="b0"], 0x130}, 0x0) 08:47:47 executing program 5: r0 = socket$inet6_tcp(0x1c, 0x1, 0x0) getsockopt(r0, 0x0, 0x0, 0x0, 0x0) 08:47:47 executing program 4: r0 = socket$inet_sctp(0x2, 0x5, 0x84) sendmsg(r0, &(0x7f0000000740)={&(0x7f0000000140)=@in={0x10, 0x2}, 0x10, &(0x7f00000004c0)=[{&(0x7f0000000180)="8f", 0x1}], 0x1, &(0x7f0000000540)=[{0x10}], 0x10}, 0x0) 08:47:47 executing program 3: r0 = socket(0x2, 0x3, 0x0) setsockopt$inet_mreqn(r0, 0x0, 0xd, &(0x7f0000000000)={@multicast1}, 0xc) 08:47:47 executing program 0: syz_emit_ethernet(0x3a, &(0x7f0000000080)={@local, @empty, @val, {@ipv4}}, 0x0) 08:47:47 executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) sendmsg(r0, &(0x7f0000000ac0)={&(0x7f0000000040)=@in={0x10, 0x2}, 0x10, 0x0, 0x0, 0x0, 0x2a}, 0x0) 08:47:47 executing program 1: r0 = socket$inet6(0x1c, 0x30000003, 0x0) sendmsg(r0, &(0x7f0000001300)={&(0x7f0000000000)=@in6={0x1c, 0x1c}, 0x1c, 0x0, 0x0, &(0x7f0000001340)=ANY=[], 0x130}, 0x0) 08:47:47 executing program 4: r0 = socket$inet_sctp(0x2, 0x5, 0x84) sendmsg(r0, &(0x7f0000000740)={&(0x7f0000000140)=@in={0x10, 0x2}, 0x10, &(0x7f00000004c0)=[{&(0x7f0000000180)="8f", 0x1}], 0x1, &(0x7f0000000540)=[{0x10}], 0x10}, 0x0) 08:47:48 executing program 0: r0 = socket$inet6(0x1c, 0x1, 0x0) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x1c, 0x1c, 0x1}, 0x1c) 08:47:48 executing program 5: r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) sendto$inet6(r0, &(0x7f00000001c0)="cd", 0x1, 0x0, &(0x7f00000002c0)={0x1c, 0x1c, 0x2}, 0x1c) 08:47:48 executing program 2: r0 = socket$inet6_udp(0x1c, 0x2, 0x0) setsockopt$inet6_group_source_req(r0, 0x29, 0x54, 0x0, 0x0) 08:47:48 executing program 1: r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0x1c, 0x1c, 0x1}, 0x1c) 08:47:48 executing program 3: symlinkat(&(0x7f00000000c0)='./file0/file0\x00', 0xffffffffffffff9c, &(0x7f0000000140)='./file0\x00') futimesat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0) 08:47:48 executing program 4: r0 = socket$inet_sctp(0x2, 0x5, 0x84) sendmsg(r0, &(0x7f0000000740)={&(0x7f0000000140)=@in={0x10, 0x2}, 0x10, &(0x7f00000004c0)=[{&(0x7f0000000180)="8f", 0x1}], 0x1, &(0x7f0000000540)=[{0x10}], 0x10}, 0x0) 08:47:48 executing program 2: syz_emit_ethernet(0x3e, &(0x7f0000000100)={@broadcast, @broadcast, @val, {@ipv6}}, 0x0) 08:47:48 executing program 0: r0 = socket$inet6_udp(0x1c, 0x2, 0x0) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f0000000140)={0x1c, 0x1c, 0x1}, 0x1c) 08:47:48 executing program 5: r0 = socket$inet_udp(0x2, 0x2, 0x0) sendmsg(r0, &(0x7f0000000ac0)={&(0x7f0000000000)=@in={0x10, 0x2}, 0x10, 0x0}, 0x20084) 08:47:49 executing program 3: r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) connect$inet6(r0, &(0x7f0000000000)={0x1c, 0x1c, 0x3}, 0x1c) r1 = dup2(r0, r0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x105, &(0x7f0000000180)={0x1, [0x0]}, &(0x7f0000001700)=0x8) r2 = socket$inet6_sctp(0x1c, 0x5, 0x84) r3 = dup2(r2, r2) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x105, &(0x7f0000000180)={0x1, [0x0]}, &(0x7f0000001700)=0x8) setsockopt$inet_sctp_SCTP_DELAYED_SACK(r1, 0x84, 0xf, &(0x7f0000000040), 0xc) 08:47:49 executing program 1: chown(&(0x7f0000000280)='./file0/file0\x00', 0x0, 0xffffffffffffffff) open$dir(&(0x7f0000000080)='./file0/file0\x00', 0x200, 0x0) 08:47:49 executing program 4: r0 = socket$inet_sctp(0x2, 0x5, 0x84) sendmsg(r0, &(0x7f0000000740)={&(0x7f0000000140)=@in={0x10, 0x2}, 0x10, &(0x7f00000004c0)=[{&(0x7f0000000180)="8f", 0x1}], 0x1, &(0x7f0000000540)=[{0x10}], 0x10}, 0x0) 08:47:49 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$inet_mreqsrc(r0, 0x0, 0x48, &(0x7f0000000400)={@multicast2, @multicast1, @remote={0xac, 0x14, 0x0}}, 0xc) 08:47:49 executing program 0: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ptmx\x00', 0x400, 0x0) 08:47:49 executing program 5: open$dir(&(0x7f0000000040)='./file0\x00', 0x410200, 0x0) open$dir(&(0x7f0000000000)='./file0\x00', 0x0, 0x0) open$dir(&(0x7f0000000100)='./file0\x00', 0x0, 0x0) 08:47:49 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x200, 0x0) fchown(r0, 0xffffffffffffffff, 0xffffffffffffffff) 08:47:50 executing program 4: r0 = socket$inet6_sctp(0x1c, 0x5, 0x84) setsockopt$inet6_int(r0, 0x29, 0x1b, &(0x7f0000000040)=0x5, 0x4) 08:47:50 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)) sigaltstack(&(0x7f0000ffd000/0x1000)=nil, 0x0) mlock(&(0x7f0000ffd000/0x1000)=nil, 0x1000) 08:47:50 executing program 3: r0 = socket$inet6_tcp(0x1c, 0x1, 0x0) sendmsg(r0, &(0x7f0000000680)={&(0x7f0000000040)=@in6={0x1c, 0x1c}, 0x1c, 0x0, 0x0, &(0x7f00000003c0)=[{0x10}], 0x10}, 0x0) 08:47:50 executing program 5: openat(0xffffffffffffffff, 0x0, 0xa, 0x0) 08:47:50 executing program 0: syz_emit_ethernet(0x3a, &(0x7f0000000080)={@local, @empty, @val, {@ipv4}}, 0x0) 08:47:50 executing program 1: r0 = socket$inet_tcp(0x2, 0x1, 0x0) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000380)={0x10, 0x2}, 0x10) 08:47:50 executing program 2: unlinkat(0xffffffffffffffff, &(0x7f0000002780)='./file0\x00', 0x0) 08:47:50 executing program 3: r0 = socket$inet6_tcp(0x1c, 0x1, 0x0) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f0000000000)={0x1c, 0x1c}, 0x1c) 08:47:50 executing program 4: r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) r1 = dup(r0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0xa, &(0x7f00000000c0)=ANY=[], &(0x7f0000000000)=0x98) 08:47:51 executing program 5: r0 = socket$inet6_icmp_raw(0x1c, 0x3, 0x3a) setsockopt$inet6_IPV6_HOPOPTS(r0, 0x29, 0x31, 0x0, 0x0) setsockopt$inet6_IPV6_PKTINFO(r0, 0x29, 0x2e, &(0x7f0000000000)={@ipv4={[], [], @multicast2}}, 0x14) 08:47:51 executing program 0: r0 = socket$inet6_tcp(0x1c, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000000)={0x1c, 0x1c, 0x3}, 0x1c) 08:47:51 executing program 1: r0 = socket$inet6_tcp(0x1c, 0x1, 0x0) sendmsg(r0, &(0x7f0000001440)={&(0x7f0000000140)=@in6={0x1c, 0x1c, 0x3}, 0x1c, 0x0}, 0x100) 08:47:51 executing program 2: r0 = socket$inet_sctp(0x2, 0x1, 0x84) r1 = dup(r0) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0xa, &(0x7f0000000080)={0x0, @in, 0x5d0272b5}, 0xa0) 08:47:51 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000100)={0x10, 0x2}, 0x10) 08:47:51 executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$unix(r0, &(0x7f0000000600)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000580)=[@cred], 0x20}, 0x0) 08:47:51 executing program 5: r0 = socket$inet6(0x1c, 0x1, 0x0) setsockopt$inet6_IPV6_PKTINFO(r0, 0x29, 0x2e, &(0x7f0000000180)={@loopback}, 0x14) 08:47:51 executing program 4: mlock(&(0x7f0000ffc000/0x3000)=nil, 0x3000) mlock(&(0x7f0000fff000/0x1000)=nil, 0x1000) 08:47:52 executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) sendmsg(r0, &(0x7f0000000ac0)={&(0x7f0000000040)=@in={0x10, 0x2}, 0x10, 0x0}, 0x0) 08:47:52 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg(r0, &(0x7f0000000700)={&(0x7f0000000040)=@nfc, 0x80, 0x0, 0x0, &(0x7f0000000580)=ANY=[], 0x148}, 0x0) 08:47:52 executing program 3: perf_event_open$cgroup(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8d}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) 08:47:52 executing program 0: bpf$MAP_LOOKUP_BATCH(0x18, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000340)="eb93dadfd75029bfbb6bfbb53388320bc1824fdabb4c505aec94a45266f8c63f6cc8332070c8048d0ef8003fd48f325e0469e29cb51e853d945f9e903c63c1c62ab253ef49e8735be9926191a92be4bd99fb3f96acd32518d93c17899e376457db3528e8f3e037b3622a14d7a550577a1ea8a41641cda013ae2f0cb18308be66cbefa1ce501cea0612d16b7d8df4ea3a8aec5dfaf0ce58", 0x0, 0x0, 0x1}, 0x38) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000002c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="9feb01001800000000000000b8000000b800000007"], &(0x7f0000000200)=""/129, 0xd7, 0x81, 0x1}, 0x20) 08:47:52 executing program 4: bpf$BPF_BTF_LOAD(0x12, &(0x7f00000002c0)={0x0, &(0x7f0000000200)=""/129, 0x1000000, 0x81, 0x1}, 0x20) 08:47:52 executing program 5: openat$cgroup_ro(0xffffffffffffffff, &(0x7f00000025c0)='cpu.stat\x00', 0x0, 0x0) bpf$OBJ_GET_PROG(0x7, 0x0, 0x0) socket$kcm(0x29, 0x5, 0x0) 08:47:52 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg(r0, &(0x7f0000000700)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000580)=ANY=[], 0x148}, 0x0) 08:47:53 executing program 2: r0 = socket$kcm(0x29, 0x5, 0x0) openat$cgroup_ro(r0, &(0x7f0000000000)='cpuacct.stat\x00', 0x0, 0x0) 08:47:53 executing program 3: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$TUNGETSNDBUF(r0, 0x800454d3, 0x0) 08:47:53 executing program 0: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x68, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f00000011c0)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x3d}, 0x48) 08:47:53 executing program 2: bpf$BPF_BTF_LOAD(0x12, &(0x7f00000002c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="9feb010018"], &(0x7f0000000200)=""/129, 0x18, 0x81, 0x1}, 0x20) 08:47:53 executing program 3: socketpair(0x1d, 0x0, 0x7f, &(0x7f0000000000)) 08:47:53 executing program 1: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000001600)={0x11, 0x3, &(0x7f0000000400)=ANY=[@ANYBLOB="18100000", @ANYRES32, @ANYBLOB="16"], &(0x7f0000001480)='syzkaller\x00', 0x6, 0x97, &(0x7f00000014c0)=""/151, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x78) 08:47:53 executing program 5: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r0, &(0x7f0000000880)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000480)=""/40, 0x28}], 0x1}, 0x0) 08:47:54 executing program 0: socketpair(0x11, 0xa, 0x0, &(0x7f0000000a80)) 08:47:54 executing program 3: socketpair(0x26, 0x0, 0x0, &(0x7f0000004740)) 08:47:55 executing program 4: r0 = gettid() bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000dc0)={r0, 0xffffffffffffffff, 0x0, 0x0, 0x0}, 0x30) 08:47:55 executing program 2: bpf$BPF_BTF_LOAD(0x12, &(0x7f00000002c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="9feb01001800000000000000b8000000b8000000070000000600000000007a"], &(0x7f0000000200)=""/129, 0xd7, 0x81, 0x1}, 0x20) 08:47:55 executing program 1: bpf$BPF_BTF_LOAD(0x12, &(0x7f00000002c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="9feb01001800000000040000b8000000b8"], &(0x7f0000000200)=""/129, 0xd7, 0x81, 0x1}, 0x20) 08:47:55 executing program 0: socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000001780)={0xffffffffffffffff, 0xffffffffffffffff}) openat$cgroup_type(r0, &(0x7f00000001c0)='cgroup.type\x00', 0x2, 0x0) 08:47:55 executing program 3: perf_event_open(&(0x7f0000000040)={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) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup/syz1\x00', 0x200002, 0x0) openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x26e1, 0x0) openat$cgroup(0xffffffffffffffff, 0x0, 0x200002, 0x0) socket$kcm(0x10, 0x2, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup/syz0\x00', 0x200002, 0x0) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x9, 0x4, &(0x7f0000000000)=@framed={{}, [@alu={0x8000000201a7f19, 0x0, 0x6, 0x2, 0x1}]}, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000000)={@cgroup=r0, r1, 0x2}, 0x10) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000080)={@cgroup=r0, 0xffffffffffffffff, 0x2}, 0x10) openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000000)='cgroup.subtree_control\x00', 0x2, 0x0) bpf$BPF_LINK_CREATE(0x1c, 0x0, 0x0) socket$kcm(0xa, 0x2, 0x0) sendmsg(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) socket$kcm(0x29, 0x7, 0x0) sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000200)=[{0x0}], 0x1}, 0x4) 08:47:55 executing program 5: openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x6100, 0x0) 08:47:55 executing program 2: bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000700)={&(0x7f00000005c0)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x10, 0x10, 0x2, [@int={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1e, 0x7}]}}, &(0x7f0000000640)=""/174, 0x2a, 0xae, 0x1}, 0x20) 08:47:55 executing program 1: openat$cgroup_netprio_ifpriomap(0xffffffffffffffff, &(0x7f0000005b80)='net_prio.ifpriomap\x00', 0x2, 0x0) ioctl$TUNGETVNETHDRSZ(0xffffffffffffffff, 0x800454d7, 0x0) socketpair(0x0, 0x0, 0x0, &(0x7f0000005e80)) 08:47:55 executing program 0: bpf$BPF_BTF_LOAD(0x12, &(0x7f00000002c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="9feb01001800000000000000b8000000b8000000070000000600000000000007"], &(0x7f0000000200)=""/129, 0xd7, 0x81, 0x8}, 0x20) 08:47:55 executing program 3: bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000700)={&(0x7f0000000580)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x2c, 0x2c, 0x9, [@func_proto={0x0, 0x4, 0x0, 0xd, 0x0, [{0x7}, {0xe}, {0x8}, {0xf, 0x3}]}]}, {0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}}, &(0x7f0000000600)=""/235, 0x4d, 0xeb, 0x1}, 0x20) 08:47:55 executing program 4: bpf$BPF_PROG_QUERY(0x15, &(0x7f00000000c0)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x20) 08:47:56 executing program 5: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x65, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f0000000b00)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x3d}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000740)={r0, 0x4000a0, 0x12, 0x5ac484bb51fa106a, &(0x7f0000000040)="4d50b441e692763513ef874565020007000112bbf3469fd0880f892fd398e4021b00001375bc847d142d1523389037a1d4f5631813cf7037fd584b4af7507a849ce80deea1a57733a5e3730fbef42ab9bedd390775bf809fbcf2a71f32d41a1f7ff3b5483107766a8bd0033d44e6ef7b526c8c67aa9847e283c6cdccbd627ad1094342b1840b506814cb319132533f6d740d9643d0c6dc8481d0c9643dd3e0aa6e1be581aca3ea9377136ce8dd480207fba7af225672c63802beb9647a5fbe90781e147e92eae8d9d79d0d", 0x0, 0x23, 0x0, 0x22d, 0x1000000}, 0x28) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x107, 0xf, 0x0, 0x0) sendmsg(0xffffffffffffffff, 0x0, 0x0) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x32, 0x0, 0x0) bpf$ITER_CREATE(0x21, 0x0, 0x0) [ 595.819931][T10786] BPF:[1] FWD [ 595.823925][T10786] BPF:struct [ 595.827242][T10786] BPF: [ 595.830087][T10786] BPF:Invalid name [ 595.834253][T10786] BPF: [ 595.834253][T10786] [ 595.954797][T10786] BPF:[1] FWD [ 595.958530][T10786] BPF:struct [ 595.961978][T10786] BPF: [ 595.964821][T10786] BPF:Invalid name [ 595.968616][T10786] BPF: [ 595.968616][T10786] 08:47:56 executing program 3: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r0, &(0x7f0000000000)={0x0, 0x0, 0x0}, 0x0) 08:47:56 executing program 2: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000080)={0x0, 0x0}) close(r1) setsockopt$sock_attach_bpf(r2, 0x10f, 0x87, &(0x7f0000000180), 0x4bd) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000140)={0x0, 0x0}) close(r3) bpf$MAP_CREATE(0x0, &(0x7f0000000180)={0x0, 0x0, 0x3, 0x5}, 0x40) setsockopt$sock_attach_bpf(r4, 0x10f, 0x87, &(0x7f0000000180), 0x4bd) socketpair(0x1e, 0x80005, 0x0, &(0x7f0000000340)={0x0, 0x0}) close(r5) setsockopt$sock_attach_bpf(r6, 0x10f, 0x87, &(0x7f0000000180), 0x127) sendmsg$tipc(r6, &(0x7f00000000c0)={&(0x7f0000000040), 0x57, 0x0}, 0x0) 08:47:56 executing program 1: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001480)=[{0x10, 0x1, 0x2}], 0x10}, 0x0) 08:47:56 executing program 4: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x1, 0x7e, 0x1, 0x1}, 0x40) bpf$MAP_CREATE(0xe00000000000000, &(0x7f0000214fd4)={0xd, 0x4, 0x4, 0x123, 0x0, r0, 0x0, [0x305f, 0xa, 0x300, 0x1800, 0x6000000, 0x0, 0x0, 0x1c, 0x0, 0x0, 0xa, 0x0, 0x0, 0x8]}, 0x40) [ 596.219453][T10790] hsr_slave_0: hsr_addr_subst_dest: Unknown node [ 596.226239][T10790] hsr_slave_1: hsr_addr_subst_dest: Unknown node [ 596.294600][T10790] ===================================================== [ 596.301829][T10790] BUG: KMSAN: uninit-value in hsr_get_node+0x45d/0xba0 [ 596.308712][T10790] CPU: 1 PID: 10790 Comm: syz-executor.5 Not tainted 5.10.0-rc4-syzkaller #0 [ 596.317579][T10790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 596.327651][T10790] Call Trace: [ 596.330969][T10790] dump_stack+0x21c/0x280 [ 596.335332][T10790] kmsan_report+0xfb/0x1e0 [ 596.339739][T10790] __msan_warning+0x5f/0xa0 [ 596.344240][T10790] hsr_get_node+0x45d/0xba0 [ 596.348743][T10790] hsr_forward_skb+0x9d9/0x2610 [ 596.353588][T10790] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 596.359393][T10790] hsr_dev_xmit+0x133/0x230 [ 596.363891][T10790] ? is_hsr_master+0xb0/0xb0 [ 596.368588][T10790] xmit_one+0x2b6/0x760 [ 596.372759][T10790] __dev_queue_xmit+0x3426/0x4590 [ 596.377792][T10790] ? skb_release_data+0x6df/0xdb0 [ 596.382818][T10790] dev_queue_xmit+0x4b/0x60 [ 596.387445][T10790] __bpf_redirect+0x148d/0x1700 [ 596.392298][T10790] bpf_clone_redirect+0x4a1/0x660 [ 596.397392][T10790] ___bpf_prog_run+0x4279/0x93e0 [ 596.402338][T10790] ? bpf_csum_level+0x760/0x760 [ 596.407185][T10790] __bpf_prog_run512+0x12e/0x190 [ 596.412271][T10790] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 596.418097][T10790] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 596.424257][T10790] ? __perf_event_task_sched_in+0xf62/0xfd0 [ 596.430157][T10790] ? kmsan_get_metadata+0x116/0x180 [ 596.435357][T10790] ? perf_pmu_nop_int+0x30/0x30 [ 596.440210][T10790] ? kmsan_get_metadata+0x116/0x180 [ 596.445401][T10790] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 596.451201][T10790] ? kmsan_get_metadata+0x116/0x180 [ 596.456390][T10790] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 596.462291][T10790] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 596.468407][T10790] ? ktime_get+0x390/0x470 [ 596.472820][T10790] ? kmsan_get_metadata+0x4f/0x180 [ 596.477923][T10790] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 596.483727][T10790] ? __bpf_prog_run480+0x190/0x190 [ 596.488917][T10790] bpf_test_run+0x54c/0xe40 [ 596.493415][T10790] ? kmsan_get_metadata+0x116/0x180 [ 596.498607][T10790] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 596.504420][T10790] bpf_prog_test_run_skb+0x1906/0x34f0 [ 596.509896][T10790] ? __bpf_prog_test_run_raw_tp+0x410/0x410 [ 596.515801][T10790] __do_sys_bpf+0xbfd9/0x1aee0 [ 596.520558][T10790] ? kmsan_internal_set_origin+0x85/0xc0 [ 596.526184][T10790] ? kmsan_get_metadata+0x116/0x180 [ 596.531378][T10790] ? kmsan_get_metadata+0x116/0x180 [ 596.536571][T10790] ? kmsan_get_metadata+0x116/0x180 [ 596.541856][T10790] ? kmsan_internal_check_memory+0xb1/0x520 [ 596.547740][T10790] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 596.553846][T10790] ? should_fail+0x72/0x9e0 [ 596.558348][T10790] ? kmsan_get_metadata+0x116/0x180 [ 596.563538][T10790] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 596.569356][T10790] ? kmsan_get_metadata+0x116/0x180 [ 596.574544][T10790] ? kmsan_get_metadata+0x116/0x180 [ 596.579749][T10790] __se_sys_bpf+0x8e/0xa0 [ 596.584074][T10790] __ia32_sys_bpf+0x4a/0x70 [ 596.588578][T10790] __do_fast_syscall_32+0x102/0x160 [ 596.593793][T10790] do_fast_syscall_32+0x6a/0xc0 [ 596.598637][T10790] do_SYSENTER_32+0x73/0x90 [ 596.603151][T10790] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 596.609483][T10790] RIP: 0023:0xf7f76549 [ 596.613545][T10790] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 596.633162][T10790] RSP: 002b:00000000f55700cc EFLAGS: 00000296 ORIG_RAX: 0000000000000165 [ 596.641571][T10790] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 0000000020000740 [ 596.649621][T10790] RDX: 0000000000000028 RSI: 0000000000000000 RDI: 0000000000000000 [ 596.657583][T10790] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 596.665547][T10790] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 596.673528][T10790] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 596.681491][T10790] [ 596.683805][T10790] Uninit was created at: [ 596.688068][T10790] kmsan_internal_poison_shadow+0x5c/0xf0 [ 596.693800][T10790] kmsan_slab_alloc+0x8d/0xe0 [ 596.698482][T10790] __kmalloc_node_track_caller+0xa48/0x1610 [ 596.704369][T10790] pskb_expand_head+0x25e/0x1e20 [ 596.709318][T10790] skb_ensure_writable+0x4cf/0x590 [ 596.714422][T10790] bpf_clone_redirect+0x25d/0x660 [ 596.719440][T10790] ___bpf_prog_run+0x4279/0x93e0 [ 596.724388][T10790] __bpf_prog_run512+0x12e/0x190 [ 596.729334][T10790] bpf_test_run+0x54c/0xe40 [ 596.733845][T10790] bpf_prog_test_run_skb+0x1906/0x34f0 [ 596.739312][T10790] __do_sys_bpf+0xbfd9/0x1aee0 [ 596.744065][T10790] __se_sys_bpf+0x8e/0xa0 [ 596.748385][T10790] __ia32_sys_bpf+0x4a/0x70 [ 596.752882][T10790] __do_fast_syscall_32+0x102/0x160 [ 596.758074][T10790] do_fast_syscall_32+0x6a/0xc0 [ 596.762918][T10790] do_SYSENTER_32+0x73/0x90 [ 596.767422][T10790] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 596.773730][T10790] ===================================================== [ 596.780666][T10790] Disabling lock debugging due to kernel taint [ 596.786806][T10790] Kernel panic - not syncing: panic_on_warn set ... [ 596.793389][T10790] CPU: 1 PID: 10790 Comm: syz-executor.5 Tainted: G B 5.10.0-rc4-syzkaller #0 [ 596.810651][T10790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 596.820693][T10790] Call Trace: [ 596.823984][T10790] dump_stack+0x21c/0x280 [ 596.828378][T10790] panic+0x4c6/0xea7 [ 596.832271][T10790] ? add_taint+0x17c/0x210 [ 596.836678][T10790] kmsan_report+0x1de/0x1e0 [ 596.841187][T10790] __msan_warning+0x5f/0xa0 [ 596.845684][T10790] hsr_get_node+0x45d/0xba0 [ 596.850210][T10790] hsr_forward_skb+0x9d9/0x2610 [ 596.855082][T10790] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 596.860911][T10790] hsr_dev_xmit+0x133/0x230 [ 596.865415][T10790] ? is_hsr_master+0xb0/0xb0 [ 596.870001][T10790] xmit_one+0x2b6/0x760 [ 596.874154][T10790] __dev_queue_xmit+0x3426/0x4590 [ 596.879172][T10790] ? skb_release_data+0x6df/0xdb0 [ 596.884197][T10790] dev_queue_xmit+0x4b/0x60 [ 596.888715][T10790] __bpf_redirect+0x148d/0x1700 [ 596.893581][T10790] bpf_clone_redirect+0x4a1/0x660 [ 596.898602][T10790] ___bpf_prog_run+0x4279/0x93e0 [ 596.903534][T10790] ? bpf_csum_level+0x760/0x760 [ 596.908510][T10790] __bpf_prog_run512+0x12e/0x190 [ 596.913467][T10790] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 596.919279][T10790] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 596.925341][T10790] ? __perf_event_task_sched_in+0xf62/0xfd0 [ 596.931227][T10790] ? kmsan_get_metadata+0x116/0x180 [ 596.936417][T10790] ? perf_pmu_nop_int+0x30/0x30 [ 596.941265][T10790] ? kmsan_get_metadata+0x116/0x180 [ 596.946454][T10790] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 596.952260][T10790] ? kmsan_get_metadata+0x116/0x180 [ 596.957448][T10790] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 596.963245][T10790] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 596.969303][T10790] ? ktime_get+0x390/0x470 [ 596.973712][T10790] ? kmsan_get_metadata+0x4f/0x180 [ 596.979000][T10790] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 596.984800][T10790] ? __bpf_prog_run480+0x190/0x190 [ 596.989904][T10790] bpf_test_run+0x54c/0xe40 [ 596.994401][T10790] ? kmsan_get_metadata+0x116/0x180 [ 596.999633][T10790] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 597.005519][T10790] bpf_prog_test_run_skb+0x1906/0x34f0 [ 597.010983][T10790] ? __bpf_prog_test_run_raw_tp+0x410/0x410 [ 597.016869][T10790] __do_sys_bpf+0xbfd9/0x1aee0 [ 597.021635][T10790] ? kmsan_internal_set_origin+0x85/0xc0 [ 597.027258][T10790] ? kmsan_get_metadata+0x116/0x180 [ 597.036179][T10790] ? kmsan_get_metadata+0x116/0x180 [ 597.041372][T10790] ? kmsan_get_metadata+0x116/0x180 [ 597.046575][T10790] ? kmsan_internal_check_memory+0xb1/0x520 [ 597.052480][T10790] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 597.058541][T10790] ? should_fail+0x72/0x9e0 [ 597.063042][T10790] ? kmsan_get_metadata+0x116/0x180 [ 597.068248][T10790] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 597.074058][T10790] ? kmsan_get_metadata+0x116/0x180 [ 597.079248][T10790] ? kmsan_get_metadata+0x116/0x180 [ 597.084442][T10790] __se_sys_bpf+0x8e/0xa0 [ 597.088781][T10790] __ia32_sys_bpf+0x4a/0x70 [ 597.093281][T10790] __do_fast_syscall_32+0x102/0x160 [ 597.098475][T10790] do_fast_syscall_32+0x6a/0xc0 [ 597.103321][T10790] do_SYSENTER_32+0x73/0x90 [ 597.107819][T10790] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 597.114132][T10790] RIP: 0023:0xf7f76549 [ 597.118194][T10790] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 597.137789][T10790] RSP: 002b:00000000f55700cc EFLAGS: 00000296 ORIG_RAX: 0000000000000165 [ 597.146198][T10790] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 0000000020000740 [ 597.154164][T10790] RDX: 0000000000000028 RSI: 0000000000000000 RDI: 0000000000000000 [ 597.162127][T10790] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 597.170089][T10790] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 597.178064][T10790] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 597.186626][T10790] Kernel Offset: disabled [ 597.190955][T10790] Rebooting in 86400 seconds..