[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.220' (ECDSA) to the list of known hosts. 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 syzkaller login: [ 964.488607][ T1149] INFO: task syz-executor283:6874 blocked for more than 143 seconds. [ 964.496908][ T1149] Not tainted 5.7.0-syzkaller #0 [ 964.504087][ T1149] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 964.513311][ T1149] syz-executor283 D28400 6874 6804 0x00004004 [ 964.520150][ T1149] Call Trace: [ 964.523555][ T1149] __schedule+0x8f3/0x1fc0 [ 964.528009][ T1149] ? rwsem_down_write_slowpath+0x90a/0xf90 [ 964.534820][ T1149] ? firmware_map_remove+0x19d/0x19d [ 964.540618][ T1149] ? _raw_spin_unlock_irq+0x1f/0x80 [ 964.545811][ T1149] schedule+0xd0/0x2a0 [ 964.550643][ T1149] rwsem_down_write_slowpath+0x706/0xf90 [ 964.556275][ T1149] ? rwsem_mark_wake+0x8d0/0x8d0 [ 964.562160][ T1149] ? lock_acquire+0x1f2/0x8f0 [ 964.566913][ T1149] ? do_truncate+0x125/0x1f0 [ 964.572480][ T1149] ? tomoyo_path_perm+0x162/0x400 [ 964.577526][ T1149] ? lock_release+0x800/0x800 [ 964.583026][ T1149] ? down_write+0x137/0x150 [ 964.587568][ T1149] ? down_write+0xb2/0x150 [ 964.592761][ T1149] down_write+0x137/0x150 [ 964.597101][ T1149] ? __down_timeout+0x2d0/0x2d0 [ 964.602875][ T1149] ? apparmor_task_setrlimit+0x910/0x910 [ 964.609039][ T1149] do_truncate+0x125/0x1f0 [ 964.613447][ T1149] ? do_sys_openat2+0x7d0/0x7d0 [ 964.618278][ T1149] ? common_perm_cond+0x187/0x200 [ 964.624324][ T1149] ? ima_file_check+0xb9/0x100 [ 964.629619][ T1149] ? process_measurement+0x1750/0x1750 [ 964.635126][ T1149] ? inode_permission+0xab/0x500 [ 964.640775][ T1149] path_openat+0x1f28/0x27d0 [ 964.645364][ T1149] ? path_lookupat.isra.0+0x530/0x530 [ 964.651533][ T1149] do_filp_open+0x192/0x260 [ 964.656031][ T1149] ? may_open_dev+0xf0/0xf0 [ 964.661935][ T1149] ? do_raw_spin_lock+0x129/0x2e0 [ 964.666970][ T1149] ? _raw_spin_unlock+0x24/0x40 [ 964.672633][ T1149] ? __alloc_fd+0x46d/0x600 [ 964.677148][ T1149] do_sys_openat2+0x585/0x7d0 [ 964.682604][ T1149] ? file_open_root+0x400/0x400 [ 964.687525][ T1149] ? debug_smp_processor_id+0x2f/0x185 [ 964.693938][ T1149] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 964.699971][ T1149] do_sys_open+0xc3/0x140 [ 964.704292][ T1149] ? filp_open+0x70/0x70 [ 964.709234][ T1149] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 964.715336][ T1149] ? do_syscall_64+0x21/0x7d0 [ 964.720685][ T1149] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 964.726694][ T1149] do_syscall_64+0xf6/0x7d0 [ 964.731872][ T1149] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 964.737882][ T1149] RIP: 0033:0x4468f9 [ 964.742530][ T1149] Code: Bad RIP value. [ 964.746595][ T1149] RSP: 002b:00007f3df9c40db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 964.756201][ T1149] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004468f9 [ 964.764757][ T1149] RDX: 000000000000275a RSI: 00000000200001c0 RDI: 00000000ffffff9c [ 964.773243][ T1149] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 964.781704][ T1149] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 964.790211][ T1149] R13: 00007ffe3e295ecf R14: 00007f3df9c419c0 R15: 0000000000000000 [ 964.798978][ T1149] INFO: task syz-executor283:6877 blocked for more than 143 seconds. [ 964.808156][ T1149] Not tainted 5.7.0-syzkaller #0 [ 964.814344][ T1149] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 964.823496][ T1149] syz-executor283 D28400 6877 6805 0x00000004 [ 964.830311][ T1149] Call Trace: [ 964.833600][ T1149] __schedule+0x8f3/0x1fc0 [ 964.837996][ T1149] ? rwsem_down_write_slowpath+0x90a/0xf90 [ 964.844760][ T1149] ? firmware_map_remove+0x19d/0x19d [ 964.850506][ T1149] ? _raw_spin_unlock_irq+0x1f/0x80 [ 964.855726][ T1149] schedule+0xd0/0x2a0 [ 964.860675][ T1149] rwsem_down_write_slowpath+0x706/0xf90 [ 964.866345][ T1149] ? rwsem_mark_wake+0x8d0/0x8d0 [ 964.872151][ T1149] ? lock_acquire+0x1f2/0x8f0 [ 964.876967][ T1149] ? process_measurement+0x15ec/0x1750 [ 964.883300][ T1149] ? down_write+0x137/0x150 [ 964.888246][ T1149] down_write+0x137/0x150 [ 964.893890][ T1149] ? __down_timeout+0x2d0/0x2d0 [ 964.899268][ T1149] ? ima_get_action+0x76/0xa0 [ 964.903951][ T1149] process_measurement+0x15ec/0x1750 [ 964.910016][ T1149] ? lock_downgrade+0x840/0x840 [ 964.914876][ T1149] ? mmap_violation_check+0x1e0/0x1e0 [ 964.920950][ T1149] ? find_held_lock+0x2d/0x110 [ 964.925728][ T1149] ? aa_get_task_label+0x4e9/0x930 [ 964.931517][ T1149] ? debug_smp_processor_id+0x2f/0x185 [ 964.936971][ T1149] ? lock_downgrade+0x840/0x840 [ 964.942558][ T1149] ? rcu_read_lock_held_common+0xa0/0xa0 [ 964.948192][ T1149] ? aa_get_task_label+0x50b/0x930 [ 964.954046][ T1149] ? aa_capable+0xc20/0xc20 [ 964.959097][ T1149] ? security_file_open+0x84/0x410 [ 964.964218][ T1149] ? apparmor_task_getsecid+0xc2/0x110 [ 964.970359][ T1149] ima_file_check+0xb9/0x100 [ 964.974946][ T1149] ? process_measurement+0x1750/0x1750 [ 964.981113][ T1149] ? inode_permission+0xab/0x500 [ 964.986068][ T1149] path_openat+0x1997/0x27d0 [ 964.991344][ T1149] ? path_lookupat.isra.0+0x530/0x530 [ 964.996714][ T1149] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 965.003414][ T1149] do_filp_open+0x192/0x260 [ 965.007913][ T1149] ? may_open_dev+0xf0/0xf0 [ 965.013137][ T1149] ? do_raw_spin_lock+0x129/0x2e0 [ 965.018166][ T1149] ? _raw_spin_unlock+0x24/0x40 [ 965.023804][ T1149] ? __alloc_fd+0x46d/0x600 [ 965.028882][ T1149] do_sys_openat2+0x585/0x7d0 [ 965.033562][ T1149] ? file_open_root+0x400/0x400 [ 965.039110][ T1149] ? debug_smp_processor_id+0x2f/0x185 [ 965.044568][ T1149] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 965.050863][ T1149] do_sys_open+0xc3/0x140 [ 965.055272][ T1149] ? filp_open+0x70/0x70 [ 965.060210][ T1149] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 965.066203][ T1149] ? do_syscall_64+0x21/0x7d0 [ 965.071642][ T1149] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 965.077617][ T1149] do_syscall_64+0xf6/0x7d0 [ 965.082804][ T1149] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 965.089148][ T1149] RIP: 0033:0x4468f9 [ 965.093056][ T1149] Code: Bad RIP value. [ 965.097105][ T1149] RSP: 002b:00007f3df9c40db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 965.107027][ T1149] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004468f9 [ 965.115474][ T1149] RDX: 000000000000275a RSI: 00000000200001c0 RDI: 00000000ffffff9c [ 965.123947][ T1149] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 965.132532][ T1149] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 965.140974][ T1149] R13: 00007ffe3e295ecf R14: 00007f3df9c419c0 R15: 0000000000000000 [ 965.149418][ T1149] INFO: task syz-executor283:6880 blocked for more than 144 seconds. [ 965.157473][ T1149] Not tainted 5.7.0-syzkaller #0 [ 965.163666][ T1149] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 965.172803][ T1149] syz-executor283 D28400 6880 6803 0x00000004 [ 965.179622][ T1149] Call Trace: [ 965.182917][ T1149] __schedule+0x8f3/0x1fc0 [ 965.187313][ T1149] ? rwsem_down_write_slowpath+0x90a/0xf90 [ 965.194066][ T1149] ? firmware_map_remove+0x19d/0x19d [ 965.199817][ T1149] ? _raw_spin_unlock_irq+0x1f/0x80 [ 965.205019][ T1149] schedule+0xd0/0x2a0 [ 965.209795][ T1149] rwsem_down_write_slowpath+0x706/0xf90 [ 965.215466][ T1149] ? rwsem_mark_wake+0x8d0/0x8d0 [ 965.221105][ T1149] ? lock_acquire+0x1f2/0x8f0 [ 965.225780][ T1149] ? process_measurement+0x15ec/0x1750 [ 965.231919][ T1149] ? down_write+0x137/0x150 [ 965.236429][ T1149] down_write+0x137/0x150 [ 965.241427][ T1149] ? __down_timeout+0x2d0/0x2d0 [ 965.246273][ T1149] ? ima_get_action+0x76/0xa0 [ 965.251634][ T1149] process_measurement+0x15ec/0x1750 [ 965.257179][ T1149] ? lock_downgrade+0x840/0x840 [ 965.262846][ T1149] ? mmap_violation_check+0x1e0/0x1e0 [ 965.268218][ T1149] ? find_held_lock+0x2d/0x110 [ 965.273654][ T1149] ? aa_get_task_label+0x4e9/0x930 [ 965.279315][ T1149] ? debug_smp_processor_id+0x2f/0x185 [ 965.284940][ T1149] ? lock_downgrade+0x840/0x840 [ 965.290513][ T1149] ? rcu_read_lock_held_common+0xa0/0xa0 [ 965.296146][ T1149] ? aa_get_task_label+0x50b/0x930 [ 965.301953][ T1149] ? aa_capable+0xc20/0xc20 [ 965.306454][ T1149] ? security_file_open+0x84/0x410 [ 965.312235][ T1149] ? apparmor_task_getsecid+0xc2/0x110 [ 965.317795][ T1149] ima_file_check+0xb9/0x100 [ 965.323112][ T1149] ? process_measurement+0x1750/0x1750 [ 965.329056][ T1149] ? inode_permission+0xab/0x500 [ 965.334006][ T1149] path_openat+0x1997/0x27d0 [ 965.339393][ T1149] ? path_lookupat.isra.0+0x530/0x530 [ 965.344782][ T1149] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 965.351459][ T1149] do_filp_open+0x192/0x260 [ 965.355960][ T1149] ? may_open_dev+0xf0/0xf0 [ 965.361341][ T1149] ? do_raw_spin_lock+0x129/0x2e0 [ 965.366389][ T1149] ? _raw_spin_unlock+0x24/0x40 [ 965.371931][ T1149] ? __alloc_fd+0x46d/0x600 [ 965.376434][ T1149] do_sys_openat2+0x585/0x7d0 [ 965.381841][ T1149] ? file_open_root+0x400/0x400 [ 965.387469][ T1149] ? debug_smp_processor_id+0x2f/0x185 [ 965.393745][ T1149] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 965.399765][ T1149] do_sys_open+0xc3/0x140 [ 965.404092][ T1149] ? filp_open+0x70/0x70 [ 965.408753][ T1149] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 965.414870][ T1149] ? do_syscall_64+0x21/0x7d0 [ 965.427840][ T1149] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 965.434158][ T1149] do_syscall_64+0xf6/0x7d0 [ 965.438740][ T1149] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 965.444745][ T1149] RIP: 0033:0x4468f9 [ 965.448775][ T1149] Code: Bad RIP value. [ 965.452845][ T1149] RSP: 002b:00007f3df9c40db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 965.461579][ T1149] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004468f9 [ 965.469888][ T1149] RDX: 000000000000275a RSI: 00000000200001c0 RDI: 00000000ffffff9c [ 965.477978][ T1149] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 965.486175][ T1149] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 965.494343][ T1149] R13: 00007ffe3e295ecf R14: 00007f3df9c419c0 R15: 0000000000000000 [ 965.502457][ T1149] INFO: task syz-executor283:6882 blocked for more than 144 seconds. [ 965.510611][ T1149] Not tainted 5.7.0-syzkaller #0 [ 965.516246][ T1149] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 965.525302][ T1149] syz-executor283 D28400 6882 6800 0x00004004 [ 965.532040][ T1149] Call Trace: [ 965.535337][ T1149] __schedule+0x8f3/0x1fc0 [ 965.539810][ T1149] ? rwsem_down_write_slowpath+0x90a/0xf90 [ 965.545634][ T1149] ? firmware_map_remove+0x19d/0x19d [ 965.551939][ T1149] ? _raw_spin_unlock_irq+0x1f/0x80 [ 965.568274][ T1149] schedule+0xd0/0x2a0 [ 965.572412][ T1149] rwsem_down_write_slowpath+0x706/0xf90 [ 965.578226][ T1149] ? rwsem_mark_wake+0x8d0/0x8d0 [ 965.583395][ T1149] ? lock_acquire+0x1f2/0x8f0 [ 965.588353][ T1149] ? process_measurement+0x15ec/0x1750 [ 965.594009][ T1149] ? down_write+0x137/0x150 [ 965.598649][ T1149] down_write+0x137/0x150 [ 965.602976][ T1149] ? __down_timeout+0x2d0/0x2d0 [ 965.607808][ T1149] ? ima_get_action+0x76/0xa0 [ 965.612556][ T1149] process_measurement+0x15ec/0x1750 [ 965.617861][ T1149] ? lock_downgrade+0x840/0x840 [ 965.622917][ T1149] ? mmap_violation_check+0x1e0/0x1e0 [ 965.628982][ T1149] ? find_held_lock+0x2d/0x110 [ 965.633738][ T1149] ? aa_get_task_label+0x4e9/0x930 [ 965.639144][ T1149] ? debug_smp_processor_id+0x2f/0x185 [ 965.644662][ T1149] ? lock_downgrade+0x840/0x840 [ 965.649580][ T1149] ? rcu_read_lock_held_common+0xa0/0xa0 [ 965.655238][ T1149] ? aa_get_task_label+0x50b/0x930 [ 965.660522][ T1149] ? aa_capable+0xc20/0xc20 [ 965.665115][ T1149] ? security_file_open+0x84/0x410 [ 965.670295][ T1149] ? apparmor_task_getsecid+0xc2/0x110 [ 965.675778][ T1149] ima_file_check+0xb9/0x100 [ 965.681316][ T1149] ? process_measurement+0x1750/0x1750 [ 965.686772][ T1149] ? inode_permission+0xab/0x500 [ 965.691936][ T1149] path_openat+0x1997/0x27d0 [ 965.696577][ T1149] ? path_lookupat.isra.0+0x530/0x530 [ 965.702067][ T1149] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 965.708056][ T1149] do_filp_open+0x192/0x260 [ 965.712717][ T1149] ? may_open_dev+0xf0/0xf0 [ 965.717232][ T1149] ? do_raw_spin_lock+0x129/0x2e0 [ 965.722348][ T1149] ? _raw_spin_unlock+0x24/0x40 [ 965.727368][ T1149] ? __alloc_fd+0x46d/0x600 [ 965.731985][ T1149] do_sys_openat2+0x585/0x7d0 [ 965.736688][ T1149] ? file_open_root+0x400/0x400 [ 965.741610][ T1149] ? debug_smp_processor_id+0x2f/0x185 [ 965.747067][ T1149] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 965.752674][ T1149] do_sys_open+0xc3/0x140 [ 965.759016][ T1149] ? filp_open+0x70/0x70 [ 965.763336][ T1149] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 965.769417][ T1149] ? do_syscall_64+0x21/0x7d0 [ 965.774109][ T1149] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 965.780188][ T1149] do_syscall_64+0xf6/0x7d0 [ 965.784695][ T1149] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 965.790727][ T1149] RIP: 0033:0x4468f9 [ 965.794641][ T1149] Code: Bad RIP value. [ 965.798776][ T1149] RSP: 002b:00007f3df9c40db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 965.807191][ T1149] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004468f9 [ 965.816252][ T1149] RDX: 000000000000275a RSI: 00000000200001c0 RDI: 00000000ffffff9c [ 965.824331][ T1149] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 965.832396][ T1149] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 965.840470][ T1149] R13: 00007ffe3e295ecf R14: 00007f3df9c419c0 R15: 0000000000000000 [ 965.848670][ T1149] INFO: task syz-executor283:6889 blocked for more than 144 seconds. [ 965.856721][ T1149] Not tainted 5.7.0-syzkaller #0 [ 965.862254][ T1149] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 965.870978][ T1149] syz-executor283 D28400 6889 6807 0x00000004 [ 965.877331][ T1149] Call Trace: [ 965.880705][ T1149] __schedule+0x8f3/0x1fc0 [ 965.885316][ T1149] ? rwsem_down_write_slowpath+0x90a/0xf90 [ 965.891205][ T1149] ? firmware_map_remove+0x19d/0x19d [ 965.897368][ T1149] ? _raw_spin_unlock_irq+0x1f/0x80 [ 965.902654][ T1149] schedule+0xd0/0x2a0 [ 965.906725][ T1149] rwsem_down_write_slowpath+0x706/0xf90 [ 965.912426][ T1149] ? rwsem_mark_wake+0x8d0/0x8d0 [ 965.917375][ T1149] ? lock_acquire+0x1f2/0x8f0 [ 965.922136][ T1149] ? process_measurement+0x15ec/0x1750 [ 965.927613][ T1149] ? down_write+0x137/0x150 [ 965.932174][ T1149] down_write+0x137/0x150 [ 965.936514][ T1149] ? __down_timeout+0x2d0/0x2d0 [ 965.942443][ T1149] ? ima_get_action+0x76/0xa0 [ 965.947138][ T1149] process_measurement+0x15ec/0x1750 [ 965.952518][ T1149] ? lock_downgrade+0x840/0x840 [ 965.957379][ T1149] ? mmap_violation_check+0x1e0/0x1e0 [ 965.962870][ T1149] ? find_held_lock+0x2d/0x110 [ 965.967636][ T1149] ? aa_get_task_label+0x4e9/0x930 [ 965.972806][ T1149] ? debug_smp_processor_id+0x2f/0x185 [ 965.978410][ T1149] ? lock_downgrade+0x840/0x840 [ 965.983287][ T1149] ? rcu_read_lock_held_common+0xa0/0xa0 [ 965.988984][ T1149] ? aa_get_task_label+0x50b/0x930 [ 965.994126][ T1149] ? aa_capable+0xc20/0xc20 [ 965.998723][ T1149] ? security_file_open+0x84/0x410 [ 966.003869][ T1149] ? apparmor_task_getsecid+0xc2/0x110 [ 966.009398][ T1149] ima_file_check+0xb9/0x100 [ 966.013995][ T1149] ? process_measurement+0x1750/0x1750 [ 966.019565][ T1149] ? inode_permission+0xab/0x500 [ 966.024506][ T1149] path_openat+0x1997/0x27d0 [ 966.029178][ T1149] ? path_lookupat.isra.0+0x530/0x530 [ 966.034571][ T1149] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 966.040754][ T1149] do_filp_open+0x192/0x260 [ 966.045886][ T1149] ? may_open_dev+0xf0/0xf0 [ 966.050485][ T1149] ? do_raw_spin_lock+0x129/0x2e0 [ 966.055672][ T1149] ? _raw_spin_unlock+0x24/0x40 [ 966.060882][ T1149] ? __alloc_fd+0x46d/0x600 [ 966.065390][ T1149] do_sys_openat2+0x585/0x7d0 [ 966.070974][ T1149] ? file_open_root+0x400/0x400 [ 966.075948][ T1149] ? debug_smp_processor_id+0x2f/0x185 [ 966.081626][ T1149] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 966.087356][ T1149] do_sys_open+0xc3/0x140 [ 966.091775][ T1149] ? filp_open+0x70/0x70 [ 966.096031][ T1149] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 966.102194][ T1149] ? do_syscall_64+0x21/0x7d0 [ 966.106986][ T1149] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 966.113053][ T1149] do_syscall_64+0xf6/0x7d0 [ 966.117652][ T1149] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 966.123651][ T1149] RIP: 0033:0x4468f9 [ 966.127565][ T1149] Code: Bad RIP value. [ 966.131709][ T1149] RSP: 002b:00007f3df9c40db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 966.140487][ T1149] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004468f9 [ 966.148761][ T1149] RDX: 000000000000275a RSI: 00000000200001c0 RDI: 00000000ffffff9c [ 966.156914][ T1149] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 966.164975][ T1149] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 966.173052][ T1149] R13: 00007ffe3e295ecf R14: 00007f3df9c419c0 R15: 0000000000000000 [ 966.181285][ T1149] INFO: task syz-executor283:6890 blocked for more than 145 seconds. [ 966.189697][ T1149] Not tainted 5.7.0-syzkaller #0 [ 966.195147][ T1149] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 966.204939][ T1149] syz-executor283 D28400 6890 6801 0x00000004 [ 966.211347][ T1149] Call Trace: [ 966.214659][ T1149] __schedule+0x8f3/0x1fc0 [ 966.219219][ T1149] ? rwsem_down_write_slowpath+0x90a/0xf90 [ 966.225045][ T1149] ? firmware_map_remove+0x19d/0x19d [ 966.230417][ T1149] ? _raw_spin_unlock_irq+0x1f/0x80 [ 966.235630][ T1149] schedule+0xd0/0x2a0 [ 966.239783][ T1149] rwsem_down_write_slowpath+0x706/0xf90 [ 966.245423][ T1149] ? rwsem_mark_wake+0x8d0/0x8d0 [ 966.250445][ T1149] ? lock_acquire+0x1f2/0x8f0 [ 966.255413][ T1149] ? process_measurement+0x15ec/0x1750 [ 966.261150][ T1149] ? down_write+0x137/0x150 [ 966.265670][ T1149] down_write+0x137/0x150 [ 966.270316][ T1149] ? __down_timeout+0x2d0/0x2d0 [ 966.275170][ T1149] ? ima_get_action+0x76/0xa0 [ 966.279943][ T1149] process_measurement+0x15ec/0x1750 [ 966.285231][ T1149] ? lock_downgrade+0x840/0x840 [ 966.290137][ T1149] ? mmap_violation_check+0x1e0/0x1e0 [ 966.295521][ T1149] ? find_held_lock+0x2d/0x110 [ 966.300359][ T1149] ? aa_get_task_label+0x4e9/0x930 [ 966.305484][ T1149] ? debug_smp_processor_id+0x2f/0x185 [ 966.311015][ T1149] ? lock_downgrade+0x840/0x840 [ 966.315996][ T1149] ? rcu_read_lock_held_common+0xa0/0xa0 [ 966.321725][ T1149] ? aa_get_task_label+0x50b/0x930 [ 966.326960][ T1149] ? aa_capable+0xc20/0xc20 [ 966.332433][ T1149] ? security_file_open+0x84/0x410 [ 966.337572][ T1149] ? apparmor_task_getsecid+0xc2/0x110 [ 966.343107][ T1149] ima_file_check+0xb9/0x100 [ 966.347701][ T1149] ? process_measurement+0x1750/0x1750 [ 966.353215][ T1149] ? inode_permission+0xab/0x500 [ 966.358164][ T1149] path_openat+0x1997/0x27d0 [ 966.362873][ T1149] ? path_lookupat.isra.0+0x530/0x530 [ 966.368614][ T1149] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 966.375564][ T1149] do_filp_open+0x192/0x260 [ 966.380174][ T1149] ? may_open_dev+0xf0/0xf0 [ 966.384702][ T1149] ? do_raw_spin_lock+0x129/0x2e0 [ 966.389804][ T1149] ? _raw_spin_unlock+0x24/0x40 [ 966.394660][ T1149] ? __alloc_fd+0x46d/0x600 [ 966.399247][ T1149] do_sys_openat2+0x585/0x7d0 [ 966.403927][ T1149] ? file_open_root+0x400/0x400 [ 966.408999][ T1149] ? debug_smp_processor_id+0x2f/0x185 [ 966.414463][ T1149] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 966.420094][ T1149] do_sys_open+0xc3/0x140 [ 966.424424][ T1149] ? filp_open+0x70/0x70 [ 966.428727][ T1149] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 966.434731][ T1149] ? do_syscall_64+0x21/0x7d0 [ 966.439492][ T1149] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 966.445594][ T1149] do_syscall_64+0xf6/0x7d0 [ 966.450186][ T1149] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 966.456090][ T1149] RIP: 0033:0x4468f9 [ 966.460916][ T1149] Code: Bad RIP value. [ 966.464999][ T1149] RSP: 002b:00007f3df9c40db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 966.473480][ T1149] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004468f9 [ 966.482635][ T1149] RDX: 000000000000275a RSI: 00000000200001c0 RDI: 00000000ffffff9c [ 966.490720][ T1149] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 966.498804][ T1149] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 966.506951][ T1149] R13: 00007ffe3e295ecf R14: 00007f3df9c419c0 R15: 0000000000000000 [ 966.516475][ T1149] [ 966.516475][ T1149] Showing all locks held in the system: [ 966.524893][ T1149] 1 lock held by khungtaskd/1149: [ 966.529978][ T1149] #0: ffffffff899bdd80 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 966.539966][ T1149] 1 lock held by in:imklog/6461: [ 966.544902][ T1149] #0: ffff88809231e0f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 [ 966.554082][ T1149] 2 locks held by syz-executor283/6874: [ 966.559781][ T1149] #0: ffff88809950a450 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 [ 966.570381][ T1149] #1: ffff888086683a48 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: do_truncate+0x125/0x1f0 [ 966.581170][ T1149] 2 locks held by syz-executor283/6877: [ 966.586774][ T1149] #0: ffff88809950a450 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 [ 966.597028][ T1149] #1: ffff888086683a48 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: process_measurement+0x15ec/0x1750 [ 966.610708][ T1149] 2 locks held by syz-executor283/6880: [ 966.616244][ T1149] #0: ffff88809950a450 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 [ 966.625431][ T1149] #1: ffff888086683a48 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: process_measurement+0x15ec/0x1750 [ 966.636766][ T1149] 2 locks held by syz-executor283/6882: [ 966.642358][ T1149] #0: ffff88809950a450 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 [ 966.651683][ T1149] #1: ffff888086683a48 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: process_measurement+0x15ec/0x1750 [ 966.667574][ T1149] 3 locks held by syz-executor283/6881: [ 966.673289][ T1149] #0: ffff88809ef500f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 [ 966.684357][ T1149] #1: ffff88809950a450 (sb_writers#3){.+.+}-{0:0}, at: vfs_write+0x4cf/0x5d0 [ 966.693470][ T1149] #2: ffff888086683a48 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: ext4_buffered_write_iter+0xb3/0x450 [ 966.705113][ T1149] 2 locks held by syz-executor283/6889: [ 966.710777][ T1149] #0: ffff88809950a450 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 [ 966.721069][ T1149] #1: ffff888086683a48 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: process_measurement+0x15ec/0x1750 [ 966.732409][ T1149] 2 locks held by syz-executor283/6890: [ 966.737964][ T1149] #0: ffff88809950a450 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 [ 966.747151][ T1149] #1: ffff888086683a48 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: process_measurement+0x15ec/0x1750 [ 966.758665][ T1149] [ 966.760985][ T1149] ============================================= [ 966.760985][ T1149] [ 966.769683][ T1149] NMI backtrace for cpu 1 [ 966.774026][ T1149] CPU: 1 PID: 1149 Comm: khungtaskd Not tainted 5.7.0-syzkaller #0 [ 966.781900][ T1149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 966.791932][ T1149] Call Trace: [ 966.795257][ T1149] dump_stack+0x188/0x20d [ 966.799626][ T1149] nmi_cpu_backtrace.cold+0x70/0xb1 [ 966.804864][ T1149] ? lapic_can_unplug_cpu.cold+0x3b/0x3b [ 966.810474][ T1149] nmi_trigger_cpumask_backtrace+0x1e6/0x221 [ 966.816468][ T1149] watchdog+0xa8c/0x1010 [ 966.820694][ T1149] ? reset_hung_task_detector+0x30/0x30 [ 966.826302][ T1149] kthread+0x388/0x470 [ 966.830367][ T1149] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 966.836160][ T1149] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 966.841911][ T1149] ret_from_fork+0x24/0x30 [ 966.847378][ T1149] Sending NMI from CPU 1 to CPUs 0: [ 966.855599][ C0] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xe/0x10 [ 966.857368][ T1149] Kernel panic - not syncing: hung_task: blocked tasks [ 966.873071][ T1149] CPU: 1 PID: 1149 Comm: khungtaskd Not tainted 5.7.0-syzkaller #0 [ 966.881077][ T1149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 966.892270][ T1149] Call Trace: [ 966.896414][ T1149] dump_stack+0x188/0x20d [ 966.900834][ T1149] panic+0x2e3/0x75c [ 966.904722][ T1149] ? add_taint.cold+0x16/0x16 [ 966.909824][ T1149] ? lapic_can_unplug_cpu.cold+0x3b/0x3b [ 966.915432][ T1149] ? preempt_schedule_thunk+0x16/0x18 [ 966.921060][ T1149] ? watchdog+0xa8c/0x1010 [ 966.925468][ T1149] ? nmi_trigger_cpumask_backtrace+0x1c9/0x221 [ 966.932757][ T1149] watchdog+0xa9d/0x1010 [ 966.937092][ T1149] ? reset_hung_task_detector+0x30/0x30 [ 966.943374][ T1149] kthread+0x388/0x470 [ 966.947531][ T1149] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 966.953240][ T1149] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 966.958939][ T1149] ret_from_fork+0x24/0x30 [ 966.965290][ T1149] Kernel Offset: disabled [ 966.969638][ T1149] Rebooting in 86400 seconds..