[ OK ] Started Getty on tty3. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Started Getty on tty2. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.192' (ECDSA) to the list of known hosts. syzkaller login: [ 428.371004][ T7032] IPVS: ftp: loaded support on port[0] = 21 [ 428.377714][ T7031] IPVS: ftp: loaded support on port[0] = 21 [ 428.386374][ T7034] IPVS: ftp: loaded support on port[0] = 21 [ 428.386670][ T7028] IPVS: ftp: loaded support on port[0] = 21 [ 428.395460][ T7033] IPVS: ftp: loaded support on port[0] = 21 [ 428.400759][ T7030] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program [ 428.667773][ T7166] 9pnet: Insufficient options for proto=fd [ 428.672911][ T7167] 9pnet: Insufficient options for proto=fd [ 428.702827][ T7169] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 428.942250][ T7196] 9pnet: Insufficient options for proto=fd [ 428.964647][ T7199] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 429.257683][ T7230] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 429.534359][ T7260] 9pnet: Insufficient options for proto=fd [ 429.572475][ T7264] 9pnet: Insufficient options for proto=fd executing program executing program [ 429.630684][ T7268] 9pnet: Insufficient options for proto=fd [ 429.645911][ T7271] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program [ 429.675495][ T7274] 9pnet: Insufficient options for proto=fd executing program executing program executing program [ 429.763823][ T7282] 9pnet: Insufficient options for proto=fd [ 429.800528][ T7289] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 430.647686][ T7397] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program executing program [ 430.753519][ T7410] 9pnet: Insufficient options for proto=fd [ 430.772953][ T7415] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program [ 430.846547][ T7421] 9pnet: Insufficient options for proto=fd [ 430.869061][ T7430] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 431.155962][ T7460] 9pnet: Insufficient options for proto=fd executing program executing program executing program [ 431.227403][ T7468] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program executing program executing program [ 431.416563][ T7491] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 431.613501][ T7513] 9pnet: Insufficient options for proto=fd executing program executing program [ 431.689872][ T7526] 9pnet: Insufficient options for proto=fd executing program executing program executing program [ 431.758398][ T7537] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 432.071680][ T7572] 9pnet: Insufficient options for proto=fd [ 432.084650][ T7575] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program executing program executing program [ 432.256042][ T7593] 9pnet: Insufficient options for proto=fd [ 432.288887][ T7598] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 432.535347][ T7622] 9pnet: Insufficient options for proto=fd [ 432.562878][ T7624] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program executing program [ 432.669289][ T7636] 9pnet: Insufficient options for proto=fd [ 432.698922][ T7643] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program executing program [ 432.804366][ T7656] 9pnet: Insufficient options for proto=fd [ 432.839680][ T7651] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 434.349552][ T7829] 9pnet: Insufficient options for proto=fd executing program executing program executing program [ 434.469859][ T7840] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program [ 434.527446][ T7848] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program executing program executing program executing program [ 434.707597][ T7870] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 435.253819][ T7935] 9pnet: Insufficient options for proto=fd [ 435.263205][ T7929] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program [ 435.299195][ T7941] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program [ 435.426161][ T7953] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 435.693052][ T7982] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program executing program executing program executing program [ 435.887489][ T8003] 9pnet: Insufficient options for proto=fd executing program executing program executing program [ 435.943671][ T8013] 9pnet: Insufficient options for proto=fd [ 435.954202][ T8015] 9pnet: Insufficient options for proto=fd executing program executing program executing program executing program [ 436.137685][ T8030] 9pnet: Insufficient options for proto=fd [ 436.172689][ T8033] 9pnet: Insufficient options for proto=fd executing program [ 436.193069][ T8034] 9pnet: Insufficient options for proto=fd executing program [ 436.246977][ T8038] 9pnet: Insufficient options for proto=fd [ 436.263590][ T8039] 9pnet: Insufficient options for proto=fd executing program executing program [ 436.306828][ T8041] 9pnet: Insufficient options for proto=fd [ 436.327742][ T8044] 9pnet: Insufficient options for proto=fd executing program executing program executing program [ 436.417481][ T8051] 9pnet: Insufficient options for proto=fd [ 436.444730][ T8052] 9pnet: Insufficient options for proto=fd executing program [ 436.506748][ T8056] 9pnet: Insufficient options for proto=fd [ 436.526512][ T8057] 9pnet: Insufficient options for proto=fd executing program [ 436.567533][ T8059] 9pnet: Insufficient options for proto=fd [ 436.588632][ T8063] 9pnet: Insufficient options for proto=fd executing program [ 436.638203][ T8067] 9pnet: Insufficient options for proto=fd [ 436.659985][ T8068] 9pnet: Insufficient options for proto=fd executing program [ 436.698093][ T8072] 9pnet: Insufficient options for proto=fd [ 436.718007][ T8073] 9pnet: Insufficient options for proto=fd executing program [ 436.758467][ T8075] 9pnet: Insufficient options for proto=fd [ 436.778025][ T8076] 9pnet: Insufficient options for proto=fd executing program [ 436.819813][ T8078] 9pnet: Insufficient options for proto=fd [ 436.844687][ T8079] 9pnet: Insufficient options for proto=fd [ 595.932075][ T1132] INFO: task syz-executor541:8049 blocked for more than 143 seconds. [ 595.940437][ T1132] Not tainted 5.7.0-rc1-syzkaller #0 [ 595.971998][ T1132] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 595.980723][ T1132] syz-executor541 D26664 8049 7034 0x00004004 [ 596.001924][ T1132] Call Trace: [ 596.005395][ T1132] ? __schedule+0x937/0x1ff0 [ 596.010002][ T1132] ? __sched_text_start+0x8/0x8 [ 596.032098][ T1132] ? mark_held_locks+0xe0/0xe0 [ 596.036914][ T1132] schedule+0xd0/0x2a0 [ 596.040999][ T1132] schedule_timeout+0x55b/0x850 [ 596.051998][ T1132] ? find_held_lock+0x2d/0x110 [ 596.056785][ T1132] ? usleep_range+0x160/0x160 [ 596.061462][ T1132] ? wait_for_completion+0x162/0x270 [ 596.091958][ T1132] ? lock_downgrade+0x840/0x840 [ 596.096835][ T1132] ? do_raw_spin_lock+0x129/0x2e0 [ 596.101860][ T1132] ? rwlock_bug.part.0+0x90/0x90 [ 596.121933][ T1132] ? _raw_spin_unlock_irq+0x1f/0x80 [ 596.127162][ T1132] wait_for_completion+0x16a/0x270 [ 596.141953][ T1132] ? wait_for_completion_interruptible+0x2e0/0x2e0 [ 596.148567][ T1132] ? get_pwq.isra.0+0x9a/0x160 [ 596.161936][ T1132] ? _raw_spin_unlock_irq+0x1f/0x80 [ 596.167156][ T1132] __flush_work+0x4fd/0xa80 [ 596.171662][ T1132] ? queue_delayed_work_on+0x210/0x210 [ 596.191938][ T1132] ? init_pwq+0x350/0x350 [ 596.196317][ T1132] ? _raw_spin_lock_irqsave+0x94/0xbf [ 596.201693][ T1132] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 596.222019][ T1132] p9_fd_close+0x290/0x520 [ 596.226457][ T1132] p9_client_create+0x99b/0x1440 [ 596.231412][ T1132] ? p9_client_zc_rpc.constprop.0+0x1140/0x1140 [ 596.262006][ T1132] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 596.267834][ T1132] ? __kmalloc_track_caller+0x622/0x7a0 [ 596.281939][ T1132] ? lockdep_init_map_waits+0x26a/0x890 [ 596.287582][ T1132] ? v9fs_session_init+0x1e7/0x18c0 [ 596.301933][ T1132] v9fs_session_init+0x1e7/0x18c0 [ 596.307008][ T1132] ? find_held_lock+0x2d/0x110 [ 596.311823][ T1132] ? fs_reclaim_release+0xa/0x20 [ 596.332001][ T1132] ? v9fs_show_options+0x7e0/0x7e0 [ 596.337200][ T1132] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 596.361931][ T1132] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 596.367934][ T1132] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 596.381944][ T1132] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 596.387571][ T1132] ? apparmor_cred_prepare+0x750/0x750 [ 596.401930][ T1132] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 596.407520][ T1132] ? lockdep_init_map_waits+0x26a/0x890 [ 596.431954][ T1132] v9fs_mount+0x79/0x970 [ 596.436259][ T1132] ? v9fs_write_inode+0x60/0x60 [ 596.441174][ T1132] legacy_get_tree+0x105/0x220 [ 596.461988][ T1132] ? ns_capable_common+0xe2/0x100 [ 596.467057][ T1132] vfs_get_tree+0x89/0x2f0 [ 596.471519][ T1132] do_mount+0x1306/0x1b30 [ 596.491947][ T1132] ? copy_mount_string+0x40/0x40 [ 596.496951][ T1132] ? _copy_from_user+0x13c/0x1a0 [ 596.502299][ T1132] __x64_sys_mount+0x18f/0x230 [ 596.507101][ T1132] do_syscall_64+0xf6/0x7d0 [ 596.511625][ T1132] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 596.541933][ T1132] RIP: 0033:0x446ee9 [ 596.545853][ T1132] Code: Bad RIP value. [ 596.549917][ T1132] RSP: 002b:00007f0dc2822d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 596.571920][ T1132] RAX: ffffffffffffffda RBX: 00000000006dcc28 RCX: 0000000000446ee9 [ 596.579908][ T1132] RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000 [ 596.601941][ T1132] RBP: 00000000006dcc20 R08: 0000000020000140 R09: 65732f636f72702f [ 596.609934][ T1132] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc2c [ 596.631986][ T1132] R13: 00007f0dc2822d20 R14: 00007f0dc2822d20 R15: 0000000000000000 [ 596.652011][ T1132] INFO: task syz-executor541:8065 blocked for more than 144 seconds. [ 596.660086][ T1132] Not tainted 5.7.0-rc1-syzkaller #0 [ 596.681987][ T1132] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 596.690696][ T1132] syz-executor541 D27832 8065 7034 0x00004004 [ 596.711994][ T1132] Call Trace: [ 596.715326][ T1132] ? __schedule+0x937/0x1ff0 [ 596.719925][ T1132] ? __sched_text_start+0x8/0x8 [ 596.741929][ T1132] ? mark_held_locks+0xe0/0xe0 [ 596.746727][ T1132] schedule+0xd0/0x2a0 [ 596.750800][ T1132] schedule_timeout+0x55b/0x850 [ 596.781943][ T1132] ? find_held_lock+0x2d/0x110 [ 596.786733][ T1132] ? usleep_range+0x160/0x160 [ 596.791425][ T1132] ? wait_for_completion+0x162/0x270 [ 596.812032][ T1132] ? lock_downgrade+0x840/0x840 [ 596.816897][ T1132] ? do_raw_spin_lock+0x129/0x2e0 [ 596.831955][ T1132] ? rwlock_bug.part.0+0x90/0x90 [ 596.836935][ T1132] ? _raw_spin_unlock_irq+0x1f/0x80 [ 596.851956][ T1132] wait_for_completion+0x16a/0x270 [ 596.857086][ T1132] ? wait_for_completion_interruptible+0x2e0/0x2e0 [ 596.871935][ T1132] ? get_pwq.isra.0+0x9a/0x160 [ 596.876715][ T1132] ? _raw_spin_unlock_irq+0x1f/0x80 [ 596.891939][ T1132] __flush_work+0x4fd/0xa80 [ 596.896463][ T1132] ? queue_delayed_work_on+0x210/0x210 [ 596.911933][ T1132] ? init_pwq+0x350/0x350 [ 596.916302][ T1132] ? _raw_spin_lock_irqsave+0x94/0xbf [ 596.921674][ T1132] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 596.941957][ T1132] p9_fd_close+0x290/0x520 [ 596.946393][ T1132] p9_client_create+0x99b/0x1440 [ 596.951340][ T1132] ? p9_client_zc_rpc.constprop.0+0x1140/0x1140 [ 596.981929][ T1132] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 596.987771][ T1132] ? __kmalloc_track_caller+0x622/0x7a0 [ 597.001951][ T1132] ? lockdep_init_map_waits+0x26a/0x890 [ 597.007544][ T1132] ? v9fs_session_init+0x1e7/0x18c0 [ 597.021939][ T1132] v9fs_session_init+0x1e7/0x18c0 [ 597.027007][ T1132] ? find_held_lock+0x2d/0x110 [ 597.031773][ T1132] ? fs_reclaim_release+0xa/0x20 [ 597.051991][ T1132] ? v9fs_show_options+0x7e0/0x7e0 [ 597.057119][ T1132] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 597.081956][ T1132] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 597.087996][ T1132] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 597.101940][ T1132] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 597.107512][ T1132] ? apparmor_cred_prepare+0x750/0x750 [ 597.121930][ T1132] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 597.127495][ T1132] ? lockdep_init_map_waits+0x26a/0x890 [ 597.152030][ T1132] v9fs_mount+0x79/0x970 [ 597.156308][ T1132] ? v9fs_write_inode+0x60/0x60 [ 597.161164][ T1132] legacy_get_tree+0x105/0x220 [ 597.181933][ T1132] ? ns_capable_common+0xe2/0x100 [ 597.187056][ T1132] vfs_get_tree+0x89/0x2f0 [ 597.191491][ T1132] do_mount+0x1306/0x1b30 [ 597.211935][ T1132] ? copy_mount_string+0x40/0x40 [ 597.216912][ T1132] ? _copy_from_user+0x13c/0x1a0 [ 597.221859][ T1132] __x64_sys_mount+0x18f/0x230 [ 597.241967][ T1132] do_syscall_64+0xf6/0x7d0 [ 597.246509][ T1132] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 597.252818][ T1132] RIP: 0033:0x446ee9 [ 597.256733][ T1132] Code: Bad RIP value. [ 597.260794][ T1132] RSP: 002b:00007f0dc27e0d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 597.291917][ T1132] RAX: ffffffffffffffda RBX: 00000000006dcc48 RCX: 0000000000446ee9 [ 597.299918][ T1132] RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000 [ 597.321960][ T1132] RBP: 00000000006dcc40 R08: 0000000020000140 R09: 65732f636f72702f [ 597.329981][ T1132] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc4c [ 597.351921][ T1132] R13: 00007f0dc27e0d20 R14: 00007f0dc27e0d20 R15: 0000000000000001 [ 597.359968][ T1132] INFO: task syz-executor541:8048 blocked for more than 144 seconds. [ 597.381926][ T1132] Not tainted 5.7.0-rc1-syzkaller #0 [ 597.387740][ T1132] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 597.421915][ T1132] syz-executor541 D27120 8048 7030 0x00004004 [ 597.428283][ T1132] Call Trace: [ 597.431584][ T1132] ? __schedule+0x937/0x1ff0 [ 597.451986][ T1132] ? __sched_text_start+0x8/0x8 [ 597.456940][ T1132] ? mark_held_locks+0xe0/0xe0 [ 597.461714][ T1132] schedule+0xd0/0x2a0 [ 597.472002][ T1132] schedule_timeout+0x55b/0x850 [ 597.476886][ T1132] ? find_held_lock+0x2d/0x110 [ 597.481660][ T1132] ? usleep_range+0x160/0x160 [ 597.501923][ T1132] ? wait_for_completion+0x162/0x270 [ 597.507232][ T1132] ? lock_downgrade+0x840/0x840 [ 597.531974][ T1132] ? do_raw_spin_lock+0x129/0x2e0 [ 597.537020][ T1132] ? rwlock_bug.part.0+0x90/0x90 [ 597.561933][ T1132] ? _raw_spin_unlock_irq+0x1f/0x80 [ 597.567188][ T1132] wait_for_completion+0x16a/0x270 [ 597.581933][ T1132] ? wait_for_completion_interruptible+0x2e0/0x2e0 [ 597.588451][ T1132] ? get_pwq.isra.0+0x9a/0x160 [ 597.601929][ T1132] ? _raw_spin_unlock_irq+0x1f/0x80 [ 597.607146][ T1132] __flush_work+0x4fd/0xa80 [ 597.611657][ T1132] ? queue_delayed_work_on+0x210/0x210 [ 597.631932][ T1132] ? init_pwq+0x350/0x350 [ 597.636294][ T1132] ? _raw_spin_lock_irqsave+0x94/0xbf [ 597.641664][ T1132] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 597.661943][ T1132] p9_fd_close+0x290/0x520 [ 597.666406][ T1132] p9_client_create+0x99b/0x1440 [ 597.671358][ T1132] ? p9_client_zc_rpc.constprop.0+0x1140/0x1140 [ 597.691935][ T1132] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 597.697768][ T1132] ? __kmalloc_track_caller+0x622/0x7a0 [ 597.721956][ T1132] ? lockdep_init_map_waits+0x26a/0x890 [ 597.727555][ T1132] ? v9fs_session_init+0x1e7/0x18c0 [ 597.741939][ T1132] v9fs_session_init+0x1e7/0x18c0 [ 597.747015][ T1132] ? find_held_lock+0x2d/0x110 [ 597.751786][ T1132] ? fs_reclaim_release+0xa/0x20 [ 597.772006][ T1132] ? v9fs_show_options+0x7e0/0x7e0 [ 597.777147][ T1132] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 597.792004][ T1132] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 597.798007][ T1132] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 597.821931][ T1132] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 597.827514][ T1132] ? apparmor_cred_prepare+0x750/0x750 [ 597.841926][ T1132] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 597.847500][ T1132] ? lockdep_init_map_waits+0x26a/0x890 [ 597.871976][ T1132] v9fs_mount+0x79/0x970 [ 597.876261][ T1132] ? v9fs_write_inode+0x60/0x60 [ 597.881115][ T1132] legacy_get_tree+0x105/0x220 [ 597.901929][ T1132] ? ns_capable_common+0xe2/0x100 [ 597.906994][ T1132] vfs_get_tree+0x89/0x2f0 [ 597.911414][ T1132] do_mount+0x1306/0x1b30 [ 597.931933][ T1132] ? copy_mount_string+0x40/0x40 [ 597.936903][ T1132] ? _copy_from_user+0x13c/0x1a0 [ 597.941846][ T1132] __x64_sys_mount+0x18f/0x230 [ 597.961944][ T1132] do_syscall_64+0xf6/0x7d0 [ 597.966480][ T1132] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 597.972806][ T1132] RIP: 0033:0x446ee9 [ 597.976716][ T1132] Code: Bad RIP value. [ 597.980779][ T1132] RSP: 002b:00007f0dc2822d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 598.011960][ T1132] RAX: ffffffffffffffda RBX: 00000000006dcc28 RCX: 0000000000446ee9 [ 598.019958][ T1132] RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000 [ 598.041914][ T1132] RBP: 00000000006dcc20 R08: 0000000020000140 R09: 65732f636f72702f [ 598.049903][ T1132] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc2c [ 598.071999][ T1132] R13: 00007f0dc2822d20 R14: 00007f0dc2822d20 R15: 0000000000000000 [ 598.091981][ T1132] INFO: task syz-executor541:8062 blocked for more than 145 seconds. [ 598.100063][ T1132] Not tainted 5.7.0-rc1-syzkaller #0 [ 598.121944][ T1132] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 598.130626][ T1132] syz-executor541 D26400 8062 7030 0x00004004 [ 598.151923][ T1132] Call Trace: [ 598.155259][ T1132] ? __schedule+0x937/0x1ff0 [ 598.159856][ T1132] ? __sched_text_start+0x8/0x8 [ 598.181929][ T1132] ? mark_held_locks+0xe0/0xe0 [ 598.186721][ T1132] schedule+0xd0/0x2a0 [ 598.190790][ T1132] schedule_timeout+0x55b/0x850 [ 598.211954][ T1132] ? find_held_lock+0x2d/0x110 [ 598.216745][ T1132] ? usleep_range+0x160/0x160 [ 598.221421][ T1132] ? wait_for_completion+0x162/0x270 [ 598.241961][ T1132] ? lock_downgrade+0x840/0x840 [ 598.246865][ T1132] ? do_raw_spin_lock+0x129/0x2e0 [ 598.261937][ T1132] ? rwlock_bug.part.0+0x90/0x90 [ 598.266900][ T1132] ? _raw_spin_unlock_irq+0x1f/0x80 [ 598.281948][ T1132] wait_for_completion+0x16a/0x270 [ 598.287086][ T1132] ? wait_for_completion_interruptible+0x2e0/0x2e0 [ 598.301937][ T1132] ? get_pwq.isra.0+0x9a/0x160 [ 598.306724][ T1132] ? _raw_spin_unlock_irq+0x1f/0x80 [ 598.321943][ T1132] __flush_work+0x4fd/0xa80 [ 598.326475][ T1132] ? queue_delayed_work_on+0x210/0x210 [ 598.341939][ T1132] ? init_pwq+0x350/0x350 [ 598.346309][ T1132] ? _raw_spin_lock_irqsave+0x94/0xbf [ 598.351678][ T1132] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 598.371945][ T1132] p9_fd_close+0x290/0x520 [ 598.376407][ T1132] p9_client_create+0x99b/0x1440 [ 598.381360][ T1132] ? p9_client_zc_rpc.constprop.0+0x1140/0x1140 [ 598.411934][ T1132] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 598.417773][ T1132] ? __kmalloc_track_caller+0x622/0x7a0 [ 598.431928][ T1132] ? lockdep_init_map_waits+0x26a/0x890 [ 598.437497][ T1132] ? v9fs_session_init+0x1e7/0x18c0 [ 598.451932][ T1132] v9fs_session_init+0x1e7/0x18c0 [ 598.457004][ T1132] ? find_held_lock+0x2d/0x110 [ 598.461771][ T1132] ? fs_reclaim_release+0xa/0x20 [ 598.481940][ T1132] ? v9fs_show_options+0x7e0/0x7e0 [ 598.487074][ T1132] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 598.501935][ T1132] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 598.507945][ T1132] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 598.532009][ T1132] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 598.537588][ T1132] ? apparmor_cred_prepare+0x750/0x750 [ 598.551995][ T1132] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 598.557560][ T1132] ? lockdep_init_map_waits+0x26a/0x890 [ 598.572015][ T1132] v9fs_mount+0x79/0x970 [ 598.576275][ T1132] ? v9fs_write_inode+0x60/0x60 [ 598.581126][ T1132] legacy_get_tree+0x105/0x220 [ 598.601924][ T1132] ? ns_capable_common+0xe2/0x100 [ 598.606996][ T1132] vfs_get_tree+0x89/0x2f0 [ 598.611417][ T1132] do_mount+0x1306/0x1b30 [ 598.631926][ T1132] ? copy_mount_string+0x40/0x40 [ 598.636890][ T1132] ? _copy_from_user+0x13c/0x1a0 [ 598.641837][ T1132] __x64_sys_mount+0x18f/0x230 [ 598.661937][ T1132] do_syscall_64+0xf6/0x7d0 [ 598.666473][ T1132] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 598.681928][ T1132] RIP: 0033:0x446ee9 [ 598.685840][ T1132] Code: Bad RIP value. [ 598.689899][ T1132] RSP: 002b:00007f0dc27bfd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 598.721928][ T1132] RAX: ffffffffffffffda RBX: 00000000006dcc58 RCX: 0000000000446ee9 [ 598.729937][ T1132] RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000 [ 598.751927][ T1132] RBP: 00000000006dcc50 R08: 0000000020000140 R09: 0000000000000000 [ 598.759921][ T1132] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc5c [ 598.781921][ T1132] R13: 00007f0dc27bfd20 R14: 00007f0dc27bfd20 R15: 0000000000000003 [ 598.789975][ T1132] INFO: task syz-executor541:8055 blocked for more than 146 seconds. [ 598.811913][ T1132] Not tainted 5.7.0-rc1-syzkaller #0 [ 598.817722][ T1132] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 598.841949][ T1132] syz-executor541 D26664 8055 7033 0x00004004 [ 598.848313][ T1132] Call Trace: [ 598.851615][ T1132] ? __schedule+0x937/0x1ff0 [ 598.871957][ T1132] ? __sched_text_start+0x8/0x8 [ 598.876855][ T1132] ? mark_held_locks+0xe0/0xe0 [ 598.901989][ T1132] schedule+0xd0/0x2a0 [ 598.906079][ T1132] schedule_timeout+0x55b/0x850 [ 598.910929][ T1132] ? find_held_lock+0x2d/0x110 [ 598.931929][ T1132] ? usleep_range+0x160/0x160 [ 598.936620][ T1132] ? wait_for_completion+0x162/0x270 [ 598.951937][ T1132] ? lock_downgrade+0x840/0x840 [ 598.956799][ T1132] ? do_raw_spin_lock+0x129/0x2e0 [ 598.961822][ T1132] ? rwlock_bug.part.0+0x90/0x90 [ 598.991936][ T1132] ? _raw_spin_unlock_irq+0x1f/0x80 [ 598.997179][ T1132] wait_for_completion+0x16a/0x270 [ 599.011937][ T1132] ? wait_for_completion_interruptible+0x2e0/0x2e0 [ 599.018464][ T1132] ? get_pwq.isra.0+0x9a/0x160 [ 599.031934][ T1132] ? _raw_spin_unlock_irq+0x1f/0x80 [ 599.037168][ T1132] __flush_work+0x4fd/0xa80 [ 599.041688][ T1132] ? queue_delayed_work_on+0x210/0x210 [ 599.061922][ T1132] ? init_pwq+0x350/0x350 [ 599.066297][ T1132] ? _raw_spin_lock_irqsave+0x94/0xbf [ 599.071665][ T1132] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 599.091934][ T1132] p9_fd_close+0x290/0x520 [ 599.096381][ T1132] p9_client_create+0x99b/0x1440 [ 599.101351][ T1132] ? p9_client_zc_rpc.constprop.0+0x1140/0x1140 [ 599.121934][ T1132] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 599.127783][ T1132] ? __kmalloc_track_caller+0x622/0x7a0 [ 599.151949][ T1132] ? lockdep_init_map_waits+0x26a/0x890 [ 599.157535][ T1132] ? v9fs_session_init+0x1e7/0x18c0 [ 599.171934][ T1132] v9fs_session_init+0x1e7/0x18c0 [ 599.177070][ T1132] ? find_held_lock+0x2d/0x110 [ 599.181837][ T1132] ? fs_reclaim_release+0xa/0x20 [ 599.201992][ T1132] ? v9fs_show_options+0x7e0/0x7e0 [ 599.207145][ T1132] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 599.221969][ T1132] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 599.227972][ T1132] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 599.251967][ T1132] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 599.257547][ T1132] ? apparmor_cred_prepare+0x750/0x750 [ 599.271930][ T1132] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 599.277505][ T1132] ? lockdep_init_map_waits+0x26a/0x890 [ 599.291928][ T1132] v9fs_mount+0x79/0x970 [ 599.296192][ T1132] ? v9fs_write_inode+0x60/0x60 [ 599.301075][ T1132] legacy_get_tree+0x105/0x220 [ 599.321932][ T1132] ? ns_capable_common+0xe2/0x100 [ 599.326980][ T1132] vfs_get_tree+0x89/0x2f0 [ 599.331399][ T1132] do_mount+0x1306/0x1b30 [ 599.351938][ T1132] ? copy_mount_string+0x40/0x40 [ 599.356909][ T1132] ? _copy_from_user+0x13c/0x1a0 [ 599.361851][ T1132] __x64_sys_mount+0x18f/0x230 [ 599.381947][ T1132] do_syscall_64+0xf6/0x7d0 [ 599.386480][ T1132] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 599.401928][ T1132] RIP: 0033:0x446ee9 [ 599.405841][ T1132] Code: Bad RIP value. [ 599.409912][ T1132] RSP: 002b:00007f0dc2822d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 599.441928][ T1132] RAX: ffffffffffffffda RBX: 00000000006dcc28 RCX: 0000000000446ee9 [ 599.449935][ T1132] RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000 [ 599.471934][ T1132] RBP: 00000000006dcc20 R08: 0000000020000140 R09: 65732f636f72702f [ 599.479925][ T1132] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc2c [ 599.501948][ T1132] R13: 00007f0dc2822d20 R14: 00007f0dc2822d20 R15: 0000000000000000 [ 599.521961][ T1132] INFO: task syz-executor541:8070 blocked for more than 146 seconds. [ 599.530034][ T1132] Not tainted 5.7.0-rc1-syzkaller #0 [ 599.551976][ T1132] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 599.560686][ T1132] syz-executor541 D27832 8070 7033 0x00004004 [ 599.591953][ T1132] Call Trace: [ 599.595288][ T1132] ? __schedule+0x937/0x1ff0 [ 599.599887][ T1132] ? __sched_text_start+0x8/0x8 [ 599.621917][ T1132] ? mark_held_locks+0xe0/0xe0 [ 599.626710][ T1132] schedule+0xd0/0x2a0 [ 599.630786][ T1132] schedule_timeout+0x55b/0x850 [ 599.661958][ T1132] ? find_held_lock+0x2d/0x110 [ 599.666755][ T1132] ? usleep_range+0x160/0x160 [ 599.671442][ T1132] ? wait_for_completion+0x162/0x270 [ 599.691935][ T1132] ? lock_downgrade+0x840/0x840 [ 599.696814][ T1132] ? do_raw_spin_lock+0x129/0x2e0 [ 599.701837][ T1132] ? rwlock_bug.part.0+0x90/0x90 [ 599.722011][ T1132] ? _raw_spin_unlock_irq+0x1f/0x80 [ 599.727231][ T1132] wait_for_completion+0x16a/0x270 [ 599.741964][ T1132] ? wait_for_completion_interruptible+0x2e0/0x2e0 [ 599.748500][ T1132] ? get_pwq.isra.0+0x9a/0x160 [ 599.762007][ T1132] ? _raw_spin_unlock_irq+0x1f/0x80 [ 599.767240][ T1132] __flush_work+0x4fd/0xa80 [ 599.771757][ T1132] ? queue_delayed_work_on+0x210/0x210 [ 599.791934][ T1132] ? init_pwq+0x350/0x350 [ 599.796321][ T1132] ? _raw_spin_lock_irqsave+0x94/0xbf [ 599.801693][ T1132] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 599.821994][ T1132] p9_fd_close+0x290/0x520 [ 599.826441][ T1132] p9_client_create+0x99b/0x1440 [ 599.831393][ T1132] ? p9_client_zc_rpc.constprop.0+0x1140/0x1140 [ 599.861934][ T1132] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 599.867790][ T1132] ? __kmalloc_track_caller+0x622/0x7a0 [ 599.881940][ T1132] ? lockdep_init_map_waits+0x26a/0x890 [ 599.887528][ T1132] ? v9fs_session_init+0x1e7/0x18c0 [ 599.901935][ T1132] v9fs_session_init+0x1e7/0x18c0 [ 599.906993][ T1132] ? find_held_lock+0x2d/0x110 [ 599.911758][ T1132] ? fs_reclaim_release+0xa/0x20 [ 599.931929][ T1132] ? v9fs_show_options+0x7e0/0x7e0 [ 599.937071][ T1132] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 599.961941][ T1132] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 599.967953][ T1132] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 599.981932][ T1132] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 599.987503][ T1132] ? apparmor_cred_prepare+0x750/0x750 [ 600.001925][ T1132] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 600.007491][ T1132] ? lockdep_init_map_waits+0x26a/0x890 [ 600.031920][ T1132] v9fs_mount+0x79/0x970 [ 600.036185][ T1132] ? v9fs_write_inode+0x60/0x60 [ 600.041034][ T1132] legacy_get_tree+0x105/0x220 [ 600.061925][ T1132] ? ns_capable_common+0xe2/0x100 [ 600.072299][ T1132] vfs_get_tree+0x89/0x2f0 [ 600.076740][ T1132] do_mount+0x1306/0x1b30 [ 600.081075][ T1132] ? copy_mount_string+0x40/0x40 [ 600.101965][ T1132] ? _copy_from_user+0x13c/0x1a0 [ 600.106932][ T1132] __x64_sys_mount+0x18f/0x230 [ 600.111743][ T1132] do_syscall_64+0xf6/0x7d0 [ 600.131935][ T1132] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 600.137844][ T1132] RIP: 0033:0x446ee9 [ 600.141742][ T1132] Code: Bad RIP value. [ 600.161963][ T1132] RSP: 002b:00007f0dc27e0d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 600.170403][ T1132] RAX: ffffffffffffffda RBX: 00000000006dcc48 RCX: 0000000000446ee9 [ 600.201928][ T1132] RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000 [ 600.209925][ T1132] RBP: 00000000006dcc40 R08: 0000000020000140 R09: 65732f636f72702f [ 600.231906][ T1132] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc4c [ 600.239888][ T1132] R13: 00007f0dc27e0d20 R14: 00007f0dc27e0d20 R15: 0000000000000001 [ 600.261977][ T1132] INFO: task syz-executor541:8081 blocked for more than 147 seconds. [ 600.270057][ T1132] Not tainted 5.7.0-rc1-syzkaller #0 [ 600.291904][ T1132] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 600.300590][ T1132] syz-executor541 D27120 8081 7032 0x00004004 [ 600.321928][ T1132] Call Trace: [ 600.325264][ T1132] ? __schedule+0x937/0x1ff0 [ 600.329888][ T1132] ? __sched_text_start+0x8/0x8 [ 600.351950][ T1132] ? mark_held_locks+0xe0/0xe0 [ 600.356778][ T1132] schedule+0xd0/0x2a0 [ 600.360862][ T1132] schedule_timeout+0x55b/0x850 [ 600.381967][ T1132] ? find_held_lock+0x2d/0x110 [ 600.386879][ T1132] ? usleep_range+0x160/0x160 [ 600.391557][ T1132] ? wait_for_completion+0x162/0x270 [ 600.411932][ T1132] ? lock_downgrade+0x840/0x840 [ 600.416809][ T1132] ? do_raw_spin_lock+0x129/0x2e0 [ 600.421832][ T1132] ? rwlock_bug.part.0+0x90/0x90 [ 600.441960][ T1132] ? _raw_spin_unlock_irq+0x1f/0x80 [ 600.447177][ T1132] wait_for_completion+0x16a/0x270 [ 600.461962][ T1132] ? wait_for_completion_interruptible+0x2e0/0x2e0 [ 600.468488][ T1132] ? get_pwq.isra.0+0x9a/0x160 [ 600.491952][ T1132] ? _raw_spin_unlock_irq+0x1f/0x80 [ 600.497199][ T1132] __flush_work+0x4fd/0xa80 [ 600.501709][ T1132] ? queue_delayed_work_on+0x210/0x210 [ 600.521977][ T1132] ? init_pwq+0x350/0x350 [ 600.526354][ T1132] ? _raw_spin_lock_irqsave+0x94/0xbf [ 600.531722][ T1132] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 600.551920][ T1132] p9_fd_close+0x290/0x520 [ 600.556367][ T1132] p9_client_create+0x99b/0x1440 [ 600.561314][ T1132] ? p9_client_zc_rpc.constprop.0+0x1140/0x1140 [ 600.581956][ T1132] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 600.587808][ T1132] ? __kmalloc_track_caller+0x622/0x7a0 [ 600.611933][ T1132] ? lockdep_init_map_waits+0x26a/0x890 [ 600.617512][ T1132] ? v9fs_session_init+0x1e7/0x18c0 [ 600.631915][ T1132] v9fs_session_init+0x1e7/0x18c0 [ 600.636956][ T1132] ? find_held_lock+0x2d/0x110 [ 600.641731][ T1132] ? fs_reclaim_release+0xa/0x20 [ 600.661934][ T1132] ? v9fs_show_options+0x7e0/0x7e0 [ 600.667065][ T1132] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 600.681927][ T1132] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 600.687923][ T1132] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 600.721958][ T1132] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 600.727534][ T1132] ? apparmor_cred_prepare+0x750/0x750 [ 600.741974][ T1132] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 600.747536][ T1132] ? lockdep_init_map_waits+0x26a/0x890 [ 600.761959][ T1132] v9fs_mount+0x79/0x970 [ 600.766219][ T1132] ? v9fs_write_inode+0x60/0x60 [ 600.771070][ T1132] legacy_get_tree+0x105/0x220 [ 600.791927][ T1132] ? ns_capable_common+0xe2/0x100 [ 600.796971][ T1132] vfs_get_tree+0x89/0x2f0 [ 600.801410][ T1132] do_mount+0x1306/0x1b30 [ 600.822024][ T1132] ? copy_mount_string+0x40/0x40 [ 600.827002][ T1132] ? _copy_from_user+0x13c/0x1a0 [ 600.841971][ T1132] __x64_sys_mount+0x18f/0x230 [ 600.846760][ T1132] do_syscall_64+0xf6/0x7d0 [ 600.851283][ T1132] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 600.871933][ T1132] RIP: 0033:0x446ee9 [ 600.875850][ T1132] Code: Bad RIP value. [ 600.879912][ T1132] RSP: 002b:00007f0dc2822d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 600.901906][ T1132] RAX: ffffffffffffffda RBX: 00000000006dcc28 RCX: 0000000000446ee9 [ 600.909910][ T1132] RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000 [ 600.931918][ T1132] RBP: 00000000006dcc20 R08: 0000000020000140 R09: 65732f636f72702f [ 600.939905][ T1132] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc2c [ 600.971980][ T1132] R13: 00007f0dc2822d20 R14: 00007f0dc2822d20 R15: 0000000000000000 [ 600.980026][ T1132] INFO: task syz-executor541:8083 blocked for more than 148 seconds. [ 601.001918][ T1132] Not tainted 5.7.0-rc1-syzkaller #0 [ 601.007747][ T1132] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 601.031934][ T1132] syz-executor541 D27832 8083 7032 0x00004004 [ 601.038333][ T1132] Call Trace: [ 601.041637][ T1132] ? __schedule+0x937/0x1ff0 [ 601.061925][ T1132] ? __sched_text_start+0x8/0x8 [ 601.066802][ T1132] ? mark_held_locks+0xe0/0xe0 [ 601.071574][ T1132] schedule+0xd0/0x2a0 [ 601.091964][ T1132] schedule_timeout+0x55b/0x850 [ 601.096832][ T1132] ? find_held_lock+0x2d/0x110 [ 601.101592][ T1132] ? usleep_range+0x160/0x160 [ 601.121926][ T1132] ? wait_for_completion+0x162/0x270 [ 601.127237][ T1132] ? lock_downgrade+0x840/0x840 [ 601.141918][ T1132] ? do_raw_spin_lock+0x129/0x2e0 [ 601.146958][ T1132] ? rwlock_bug.part.0+0x90/0x90 [ 601.161921][ T1132] ? _raw_spin_unlock_irq+0x1f/0x80 [ 601.167136][ T1132] wait_for_completion+0x16a/0x270 [ 601.181923][ T1132] ? wait_for_completion_interruptible+0x2e0/0x2e0 [ 601.188439][ T1132] ? get_pwq.isra.0+0x9a/0x160 [ 601.201918][ T1132] ? _raw_spin_unlock_irq+0x1f/0x80 [ 601.207132][ T1132] __flush_work+0x4fd/0xa80 [ 601.211642][ T1132] ? queue_delayed_work_on+0x210/0x210 [ 601.231957][ T1132] ? init_pwq+0x350/0x350 [ 601.236411][ T1132] ? _raw_spin_lock_irqsave+0x94/0xbf [ 601.241782][ T1132] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 601.271933][ T1132] p9_fd_close+0x290/0x520 [ 601.276387][ T1132] p9_client_create+0x99b/0x1440 [ 601.281337][ T1132] ? p9_client_zc_rpc.constprop.0+0x1140/0x1140 [ 601.301921][ T1132] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 601.307759][ T1132] ? __kmalloc_track_caller+0x622/0x7a0 [ 601.331968][ T1132] ? lockdep_init_map_waits+0x26a/0x890 [ 601.337548][ T1132] ? v9fs_session_init+0x1e7/0x18c0 [ 601.351967][ T1132] v9fs_session_init+0x1e7/0x18c0 [ 601.357007][ T1132] ? find_held_lock+0x2d/0x110 [ 601.361772][ T1132] ? fs_reclaim_release+0xa/0x20 [ 601.381954][ T1132] ? v9fs_show_options+0x7e0/0x7e0 [ 601.387101][ T1132] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 601.401923][ T1132] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 601.407924][ T1132] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 601.421926][ T1132] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 601.427503][ T1132] ? apparmor_cred_prepare+0x750/0x750 [ 601.441922][ T1132] ? kmem_cache_alloc_trace+0x390/0x7d0 [ 601.447507][ T1132] ? lockdep_init_map_waits+0x26a/0x890 [ 601.481936][ T1132] v9fs_mount+0x79/0x970 [ 601.486227][ T1132] ? v9fs_write_inode+0x60/0x60 [ 601.491080][ T1132] legacy_get_tree+0x105/0x220 [ 601.511930][ T1132] ? ns_capable_common+0xe2/0x100 [ 601.516981][ T1132] vfs_get_tree+0x89/0x2f0 [ 601.521417][ T1132] do_mount+0x1306/0x1b30 [ 601.541945][ T1132] ? copy_mount_string+0x40/0x40 [ 601.547018][ T1132] ? _copy_from_user+0x13c/0x1a0 [ 601.553275][ T1132] __x64_sys_mount+0x18f/0x230 [ 601.558070][ T1132] do_syscall_64+0xf6/0x7d0 [ 601.581926][ T1132] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 601.587832][ T1132] RIP: 0033:0x446ee9 [ 601.591727][ T1132] Code: Bad RIP value. [ 601.611924][ T1132] RSP: 002b:00007f0dc27e0d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 601.620355][ T1132] RAX: ffffffffffffffda RBX: 00000000006dcc48 RCX: 0000000000446ee9 [ 601.641907][ T1132] RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000 [ 601.649918][ T1132] RBP: 00000000006dcc40 R08: 0000000020000140 R09: 65732f636f72702f [ 601.671952][ T1132] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc4c [ 601.679960][ T1132] R13: 00007f0dc27e0d20 R14: 00007f0dc27e0d20 R15: 0000000000000001 [ 601.702018][ T1132] [ 601.702018][ T1132] Showing all locks held in the system: [ 601.709760][ T1132] 3 locks held by kworker/1:0/17: [ 601.731904][ T1132] 1 lock held by khungtaskd/1132: [ 601.736940][ T1132] #0: ffffffff899bed00 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 601.761943][ T1132] 3 locks held by kworker/0:8/3866: [ 601.767163][ T1132] 1 lock held by in:imklog/6715: [ 601.791909][ T1132] #0: ffff8880a45d0af0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 [ 601.801095][ T1132] [ 601.811977][ T1132] ============================================= [ 601.811977][ T1132] [ 601.820394][ T1132] NMI backtrace for cpu 0 [ 601.824920][ T1132] CPU: 0 PID: 1132 Comm: khungtaskd Not tainted 5.7.0-rc1-syzkaller #0 [ 601.833154][ T1132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 601.843202][ T1132] Call Trace: [ 601.846584][ T1132] dump_stack+0x188/0x20d [ 601.850929][ T1132] nmi_cpu_backtrace.cold+0x70/0xb1 [ 601.856169][ T1132] ? lapic_can_unplug_cpu.cold+0x3b/0x3b [ 601.861804][ T1132] nmi_trigger_cpumask_backtrace+0x231/0x27e [ 601.867814][ T1132] watchdog+0xa8c/0x1010 [ 601.872061][ T1132] ? reset_hung_task_detector+0x30/0x30 [ 601.877681][ T1132] kthread+0x388/0x470 [ 601.881765][ T1132] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 601.887489][ T1132] ret_from_fork+0x24/0x30 [ 601.891997][ T1132] Sending NMI from CPU 0 to CPUs 1: [ 601.897756][ C1] NMI backtrace for cpu 1 [ 601.897762][ C1] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.7.0-rc1-syzkaller #0 [ 601.897768][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 601.897772][ C1] Workqueue: events p9_read_work [ 601.897779][ C1] RIP: 0010:write_comp_data+0x9/0x70 [ 601.897789][ C1] Code: 80 dc 13 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 c3 0f 1f 84 00 00 00 00 00 65 4c 8b 04 25 00 1f 02 00 <65> 8b 05 68 ea 8e 7e a9 00 01 1f 00 75 51 41 8b 80 d8 13 00 00 83 [ 601.897793][ C1] RSP: 0018:ffffc90000d8f998 EFLAGS: 00000246 [ 601.897800][ C1] RAX: ffff8880a9642480 RBX: ffff8880a298f900 RCX: ffffffff85fc4fa5 [ 601.897805][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007 [ 601.897810][ C1] RBP: 0000000000000000 R08: ffff8880a9642480 R09: ffffed1014531c7c [ 601.897815][ C1] R10: ffffc90000d8fb28 R11: ffffed1014531c7b R12: ffff8880a298fa00 [ 601.897820][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000001 [ 601.897826][ C1] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 601.897830][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 601.897835][ C1] CR2: 00007f203eed9000 CR3: 000000009f650000 CR4: 00000000001406e0 [ 601.897840][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 601.897845][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 601.897848][ C1] Call Trace: [ 601.897851][ C1] calc_src_frames+0xa5/0x1b0 [ 601.897855][ C1] snd_pcm_plug_read_transfer+0x7f/0x2b0 [ 601.897859][ C1] ? snd_pcm_plug_write_transfer+0x3a0/0x3a0 [ 601.897863][ C1] ? snd_pcm_format_physical_width+0x71/0x90 [ 601.897868][ C1] ? snd_pcm_plug_client_channels_buf+0x20b/0x440 [ 601.897871][ C1] snd_pcm_oss_read2+0x1d0/0x3e0 [ 601.897875][ C1] ? snd_pcm_oss_read3+0x400/0x400 [ 601.897879][ C1] ? snd_pcm_oss_read+0x30b/0x6f0 [ 601.897882][ C1] snd_pcm_oss_read+0x415/0x6f0 [ 601.897886][ C1] ? snd_pcm_oss_read2+0x3e0/0x3e0 [ 601.897889][ C1] __vfs_read+0x76/0x100 [ 601.897893][ C1] vfs_read+0x1f0/0x420 [ 601.897896][ C1] kernel_read+0xaf/0x120 [ 601.897900][ C1] p9_read_work+0x2aa/0xfa0 [ 601.897903][ C1] ? p9_poll_workfn+0x4e0/0x4e0 [ 601.897907][ C1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 601.897911][ C1] ? _raw_spin_unlock_irq+0x1f/0x80 [ 601.897915][ C1] process_one_work+0x965/0x16a0 [ 601.897918][ C1] ? lock_release+0x800/0x800 [ 601.897922][ C1] ? pwq_dec_nr_in_flight+0x310/0x310 [ 601.897926][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 601.897929][ C1] worker_thread+0x96/0xe20 [ 601.897933][ C1] ? process_one_work+0x16a0/0x16a0 [ 601.897936][ C1] kthread+0x388/0x470 [ 601.897940][ C1] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 601.897944][ C1] ret_from_fork+0x24/0x30 [ 601.981903][ T1132] Kernel panic - not syncing: hung_task: blocked tasks [ 602.175738][ T1132] CPU: 0 PID: 1132 Comm: khungtaskd Not tainted 5.7.0-rc1-syzkaller #0 [ 602.183970][ T1132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 602.194017][ T1132] Call Trace: [ 602.197316][ T1132] dump_stack+0x188/0x20d [ 602.201720][ T1132] panic+0x2e3/0x75c [ 602.205623][ T1132] ? add_taint.cold+0x16/0x16 [ 602.210329][ T1132] ? lapic_can_unplug_cpu.cold+0x3b/0x3b [ 602.215958][ T1132] ? preempt_schedule_thunk+0x16/0x18 [ 602.221330][ T1132] ? watchdog+0xa8c/0x1010 [ 602.225758][ T1132] ? nmi_trigger_cpumask_backtrace+0x214/0x27e [ 602.231914][ T1132] watchdog+0xa9d/0x1010 [ 602.236162][ T1132] ? reset_hung_task_detector+0x30/0x30 [ 602.241705][ T1132] kthread+0x388/0x470 [ 602.245772][ T1132] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 602.251493][ T1132] ret_from_fork+0x24/0x30 [ 602.257300][ T1132] Kernel Offset: disabled [ 602.261664][ T1132] Rebooting in 86400 seconds..