Warning: Permanently added '10.128.0.226' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 570.455776][ T1118] INFO: task syz-executor004:9743 blocked for more than 143 seconds. [ 570.455797][ T1118] Not tainted 5.5.0-syzkaller #0 [ 570.455803][ T1118] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 570.455811][ T1118] syz-executor004 D28056 9743 9739 0x20020004 [ 570.455835][ T1118] Call Trace: [ 570.455978][ T1118] __schedule+0x934/0x1f90 [ 570.456007][ T1118] ? __sched_text_start+0x8/0x8 [ 570.456063][ T1118] ? lock_downgrade+0x920/0x920 [ 570.456081][ T1118] ? rwlock_bug.part.0+0x90/0x90 [ 570.456109][ T1118] schedule+0xdc/0x2b0 [ 570.456158][ T1118] schedule_preempt_disabled+0x13/0x20 [ 570.456174][ T1118] __mutex_lock+0x7ab/0x13c0 [ 570.456225][ T1118] ? fb_open+0xd7/0x450 [ 570.456251][ T1118] ? mutex_trylock+0x2d0/0x2d0 [ 570.456292][ T1118] ? __kasan_check_write+0x14/0x20 [ 570.456308][ T1118] ? __mutex_unlock_slowpath+0xf0/0x6a0 [ 570.456361][ T1118] ? chrdev_open+0xca/0x6b0 [ 570.456406][ T1118] mutex_lock_nested+0x16/0x20 [ 570.456420][ T1118] ? mutex_lock_nested+0x16/0x20 [ 570.456436][ T1118] fb_open+0xd7/0x450 [ 570.456459][ T1118] ? get_fb_info.part.0+0x80/0x80 [ 570.456474][ T1118] chrdev_open+0x245/0x6b0 [ 570.456497][ T1118] ? cdev_put.part.0+0x50/0x50 [ 570.456554][ T1118] ? security_file_open+0x87/0x300 [ 570.456578][ T1118] do_dentry_open+0x4e6/0x1380 [ 570.456593][ T1118] ? __kasan_check_read+0x11/0x20 [ 570.456611][ T1118] ? cdev_put.part.0+0x50/0x50 [ 570.456636][ T1118] ? chown_common+0x5c0/0x5c0 [ 570.456654][ T1118] ? inode_permission+0xb4/0x520 [ 570.456682][ T1118] vfs_open+0xa0/0xd0 [ 570.456700][ T1118] path_openat+0x12ee/0x3490 [ 570.456743][ T1118] ? path_mountpoint.isra.0+0x370/0x370 [ 570.456756][ T1118] ? __lock_acquire+0x16f2/0x4a00 [ 570.456805][ T1118] ? __alloc_fd+0x487/0x620 [ 570.456832][ T1118] do_filp_open+0x192/0x260 [ 570.456851][ T1118] ? may_open_dev+0x100/0x100 [ 570.456894][ T1118] ? do_raw_spin_unlock+0x181/0x270 [ 570.456920][ T1118] ? _raw_spin_unlock+0x28/0x40 [ 570.456937][ T1118] ? __alloc_fd+0x487/0x620 [ 570.456979][ T1118] do_sys_openat2+0x5eb/0x7e0 [ 570.457004][ T1118] ? file_open_root+0x430/0x430 [ 570.457072][ T1118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 570.457114][ T1118] ? debug_smp_processor_id+0x33/0x18a [ 570.457155][ T1118] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 570.457180][ T1118] do_sys_open+0xf2/0x180 [ 570.457199][ T1118] ? filp_open+0x80/0x80 [ 570.457234][ T1118] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 570.457252][ T1118] ? do_fast_syscall_32+0xd1/0xe16 [ 570.457269][ T1118] ? entry_SYSENTER_compat+0x70/0x7f [ 570.457286][ T1118] ? do_fast_syscall_32+0xd1/0xe16 [ 570.457313][ T1118] __ia32_compat_sys_openat+0x98/0xf0 [ 570.457337][ T1118] do_fast_syscall_32+0x27b/0xe16 [ 570.457366][ T1118] entry_SYSENTER_compat+0x70/0x7f [ 570.457377][ T1118] RIP: 0023:0xf7f88e39 [ 570.457434][ T1118] Code: Bad RIP value. [ 570.457443][ T1118] RSP: 002b:00000000ffaf79bc EFLAGS: 00000207 ORIG_RAX: 0000000000000127 [ 570.457458][ T1118] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000180 [ 570.457467][ T1118] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000080bc5bf [ 570.457476][ T1118] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000 [ 570.457485][ T1118] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 570.457494][ T1118] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 570.457536][ T1118] INFO: task syz-executor004:9744 blocked for more than 143 seconds. [ 570.457545][ T1118] Not tainted 5.5.0-syzkaller #0 [ 570.457551][ T1118] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 570.457557][ T1118] syz-executor004 D28056 9744 9742 0x20024004 [ 570.457579][ T1118] Call Trace: [ 570.457602][ T1118] __schedule+0x934/0x1f90 [ 570.457630][ T1118] ? __sched_text_start+0x8/0x8 [ 570.457643][ T1118] ? lock_downgrade+0x920/0x920 [ 570.457661][ T1118] ? rwlock_bug.part.0+0x90/0x90 [ 570.457689][ T1118] schedule+0xdc/0x2b0 [ 570.457710][ T1118] schedule_preempt_disabled+0x13/0x20 [ 570.457725][ T1118] __mutex_lock+0x7ab/0x13c0 [ 570.457747][ T1118] ? fb_open+0xd7/0x450 [ 570.457772][ T1118] ? mutex_trylock+0x2d0/0x2d0 [ 570.457792][ T1118] ? __kasan_check_write+0x14/0x20 [ 570.457808][ T1118] ? __mutex_unlock_slowpath+0xf0/0x6a0 [ 570.457824][ T1118] ? chrdev_open+0xca/0x6b0 [ 570.457869][ T1118] mutex_lock_nested+0x16/0x20 [ 570.457885][ T1118] ? mutex_lock_nested+0x16/0x20 [ 570.457900][ T1118] fb_open+0xd7/0x450 [ 570.457929][ T1118] ? get_fb_info.part.0+0x80/0x80 [ 570.457944][ T1118] chrdev_open+0x245/0x6b0 [ 570.457966][ T1118] ? cdev_put.part.0+0x50/0x50 [ 570.457990][ T1118] ? security_file_open+0x87/0x300 [ 570.458013][ T1118] do_dentry_open+0x4e6/0x1380 [ 570.458028][ T1118] ? __kasan_check_read+0x11/0x20 [ 570.458046][ T1118] ? cdev_put.part.0+0x50/0x50 [ 570.458071][ T1118] ? chown_common+0x5c0/0x5c0 [ 570.458089][ T1118] ? inode_permission+0xb4/0x520 [ 570.458116][ T1118] vfs_open+0xa0/0xd0 [ 570.458134][ T1118] path_openat+0x12ee/0x3490 [ 570.458177][ T1118] ? path_mountpoint.isra.0+0x370/0x370 [ 570.458190][ T1118] ? __lock_acquire+0x16f2/0x4a00 [ 570.458222][ T1118] ? __alloc_fd+0x487/0x620 [ 570.458248][ T1118] do_filp_open+0x192/0x260 [ 570.458267][ T1118] ? may_open_dev+0x100/0x100 [ 570.458326][ T1118] ? do_raw_spin_unlock+0x181/0x270 [ 570.458347][ T1118] ? _raw_spin_unlock+0x28/0x40 [ 570.458364][ T1118] ? __alloc_fd+0x487/0x620 [ 570.458405][ T1118] do_sys_openat2+0x5eb/0x7e0 [ 570.458431][ T1118] ? file_open_root+0x430/0x430 [ 570.458453][ T1118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 570.458469][ T1118] ? debug_smp_processor_id+0x33/0x18a [ 570.458490][ T1118] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 570.458515][ T1118] do_sys_open+0xf2/0x180 [ 570.458534][ T1118] ? filp_open+0x80/0x80 [ 570.458560][ T1118] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 570.458578][ T1118] ? do_fast_syscall_32+0xd1/0xe16 [ 570.458595][ T1118] ? entry_SYSENTER_compat+0x70/0x7f [ 570.458612][ T1118] ? do_fast_syscall_32+0xd1/0xe16 [ 570.458639][ T1118] __ia32_compat_sys_openat+0x98/0xf0 [ 570.458663][ T1118] do_fast_syscall_32+0x27b/0xe16 [ 570.458691][ T1118] entry_SYSENTER_compat+0x70/0x7f [ 570.458702][ T1118] RIP: 0023:0xf7f88e39 [ 570.458717][ T1118] Code: Bad RIP value. [ 570.458726][ T1118] RSP: 002b:00000000ffaf79bc EFLAGS: 00000207 ORIG_RAX: 0000000000000127 [ 570.458740][ T1118] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000180 [ 570.458749][ T1118] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000080bc5bf [ 570.458758][ T1118] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000 [ 570.458767][ T1118] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 570.458775][ T1118] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 570.458816][ T1118] INFO: task syz-executor004:9745 blocked for more than 143 seconds. [ 570.458825][ T1118] Not tainted 5.5.0-syzkaller #0 [ 570.458831][ T1118] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 570.458837][ T1118] syz-executor004 D28056 9745 9741 0x20020004 [ 570.458859][ T1118] Call Trace: [ 570.458881][ T1118] __schedule+0x934/0x1f90 [ 570.458914][ T1118] ? __sched_text_start+0x8/0x8 [ 570.458927][ T1118] ? lock_downgrade+0x920/0x920 [ 570.458944][ T1118] ? rwlock_bug.part.0+0x90/0x90 [ 570.458972][ T1118] schedule+0xdc/0x2b0 [ 570.458994][ T1118] schedule_preempt_disabled+0x13/0x20 [ 570.459009][ T1118] __mutex_lock+0x7ab/0x13c0 [ 570.459030][ T1118] ? fb_open+0xd7/0x450 [ 570.459055][ T1118] ? mutex_trylock+0x2d0/0x2d0 [ 570.459076][ T1118] ? __kasan_check_write+0x14/0x20 [ 570.459092][ T1118] ? __mutex_unlock_slowpath+0xf0/0x6a0 [ 570.459108][ T1118] ? chrdev_open+0xca/0x6b0 [ 570.459154][ T1118] mutex_lock_nested+0x16/0x20 [ 570.459169][ T1118] ? mutex_lock_nested+0x16/0x20 [ 570.459185][ T1118] fb_open+0xd7/0x450 [ 570.459207][ T1118] ? get_fb_info.part.0+0x80/0x80 [ 570.459222][ T1118] chrdev_open+0x245/0x6b0 [ 570.459244][ T1118] ? cdev_put.part.0+0x50/0x50 [ 570.459268][ T1118] ? security_file_open+0x87/0x300 [ 570.459292][ T1118] do_dentry_open+0x4e6/0x1380 [ 570.459306][ T1118] ? __kasan_check_read+0x11/0x20 [ 570.459324][ T1118] ? cdev_put.part.0+0x50/0x50 [ 570.459349][ T1118] ? chown_common+0x5c0/0x5c0 [ 570.459366][ T1118] ? inode_permission+0xb4/0x520 [ 570.459399][ T1118] vfs_open+0xa0/0xd0 [ 570.459451][ T1118] path_openat+0x12ee/0x3490 [ 570.459493][ T1118] ? path_mountpoint.isra.0+0x370/0x370 [ 570.459507][ T1118] ? __lock_acquire+0x16f2/0x4a00 [ 570.459540][ T1118] ? __alloc_fd+0x487/0x620 [ 570.459566][ T1118] do_filp_open+0x192/0x260 [ 570.459585][ T1118] ? may_open_dev+0x100/0x100 [ 570.459628][ T1118] ? do_raw_spin_unlock+0x181/0x270 [ 570.459650][ T1118] ? _raw_spin_unlock+0x28/0x40 [ 570.459667][ T1118] ? __alloc_fd+0x487/0x620 [ 570.459710][ T1118] do_sys_openat2+0x5eb/0x7e0 [ 570.459735][ T1118] ? file_open_root+0x430/0x430 [ 570.459757][ T1118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 570.459774][ T1118] ? debug_smp_processor_id+0x33/0x18a [ 570.459795][ T1118] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 570.459821][ T1118] do_sys_open+0xf2/0x180 [ 570.459840][ T1118] ? filp_open+0x80/0x80 [ 570.459862][ T1118] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 570.459881][ T1118] ? do_fast_syscall_32+0xd1/0xe16 [ 570.459898][ T1118] ? entry_SYSENTER_compat+0x70/0x7f [ 570.459915][ T1118] ? do_fast_syscall_32+0xd1/0xe16 [ 570.459942][ T1118] __ia32_compat_sys_openat+0x98/0xf0 [ 570.459967][ T1118] do_fast_syscall_32+0x27b/0xe16 [ 570.460004][ T1118] entry_SYSENTER_compat+0x70/0x7f [ 570.460016][ T1118] RIP: 0023:0xf7f88e39 [ 570.460036][ T1118] Code: Bad RIP value. [ 570.460045][ T1118] RSP: 002b:00000000ffaf79bc EFLAGS: 00000207 ORIG_RAX: 0000000000000127 [ 570.460060][ T1118] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000180 [ 570.460069][ T1118] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000080bc5bf [ 570.460078][ T1118] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000 [ 570.460087][ T1118] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 570.460096][ T1118] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 570.460141][ T1118] INFO: task syz-executor004:9746 blocked for more than 143 seconds. [ 570.460150][ T1118] Not tainted 5.5.0-syzkaller #0 [ 570.460157][ T1118] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 570.460164][ T1118] syz-executor004 D28040 9746 9737 0x20020004 [ 570.460187][ T1118] Call Trace: [ 570.460210][ T1118] __schedule+0x934/0x1f90 [ 570.460238][ T1118] ? __sched_text_start+0x8/0x8 [ 570.460251][ T1118] ? lock_downgrade+0x920/0x920 [ 570.460269][ T1118] ? rwlock_bug.part.0+0x90/0x90 [ 570.460297][ T1118] schedule+0xdc/0x2b0 [ 570.460318][ T1118] schedule_preempt_disabled+0x13/0x20 [ 570.460334][ T1118] __mutex_lock+0x7ab/0x13c0 [ 570.460362][ T1118] ? fb_open+0xd7/0x450 [ 570.460387][ T1118] ? mutex_trylock+0x2d0/0x2d0 [ 570.460408][ T1118] ? __kasan_check_write+0x14/0x20 [ 570.460424][ T1118] ? __mutex_unlock_slowpath+0xf0/0x6a0 [ 570.460441][ T1118] ? chrdev_open+0xca/0x6b0 [ 570.460488][ T1118] mutex_lock_nested+0x16/0x20 [ 570.460504][ T1118] ? mutex_lock_nested+0x16/0x20 [ 570.460520][ T1118] fb_open+0xd7/0x450 [ 570.460544][ T1118] ? get_fb_info.part.0+0x80/0x80 [ 570.460559][ T1118] chrdev_open+0x245/0x6b0 [ 570.460583][ T1118] ? cdev_put.part.0+0x50/0x50 [ 570.460608][ T1118] ? security_file_open+0x87/0x300 [ 570.460632][ T1118] do_dentry_open+0x4e6/0x1380 [ 570.460648][ T1118] ? __kasan_check_read+0x11/0x20 [ 570.460666][ T1118] ? cdev_put.part.0+0x50/0x50 [ 570.460691][ T1118] ? chown_common+0x5c0/0x5c0 [ 570.460710][ T1118] ? inode_permission+0xb4/0x520 [ 570.460739][ T1118] vfs_open+0xa0/0xd0 [ 570.460757][ T1118] path_openat+0x12ee/0x3490 [ 570.460803][ T1118] ? path_mountpoint.isra.0+0x370/0x370 [ 570.460816][ T1118] ? __lock_acquire+0x16f2/0x4a00 [ 570.460848][ T1118] ? __alloc_fd+0x487/0x620 [ 570.460875][ T1118] do_filp_open+0x192/0x260 [ 570.460895][ T1118] ? may_open_dev+0x100/0x100 [ 570.460941][ T1118] ? do_raw_spin_unlock+0x181/0x270 [ 570.460963][ T1118] ? _raw_spin_unlock+0x28/0x40 [ 570.460980][ T1118] ? __alloc_fd+0x487/0x620 [ 570.461022][ T1118] do_sys_openat2+0x5eb/0x7e0 [ 570.461048][ T1118] ? file_open_root+0x430/0x430 [ 570.461071][ T1118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 570.461088][ T1118] ? debug_smp_processor_id+0x33/0x18a [ 570.461109][ T1118] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 570.461135][ T1118] do_sys_open+0xf2/0x180 [ 570.461155][ T1118] ? filp_open+0x80/0x80 [ 570.461181][ T1118] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 570.461200][ T1118] ? do_fast_syscall_32+0xd1/0xe16 [ 570.461222][ T1118] ? entry_SYSENTER_compat+0x70/0x7f [ 570.461240][ T1118] ? do_fast_syscall_32+0xd1/0xe16 [ 570.461266][ T1118] __ia32_compat_sys_openat+0x98/0xf0 [ 570.461290][ T1118] do_fast_syscall_32+0x27b/0xe16 [ 570.461318][ T1118] entry_SYSENTER_compat+0x70/0x7f [ 570.461329][ T1118] RIP: 0023:0xf7f88e39 [ 570.461369][ T1118] Code: Bad RIP value. [ 570.461376][ T1118] RSP: 002b:00000000ffaf79bc EFLAGS: 00000207 ORIG_RAX: 0000000000000127 [ 570.461388][ T1118] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000180 [ 570.461398][ T1118] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000080bc5bf [ 570.461407][ T1118] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000 [ 570.461417][ T1118] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 570.461426][ T1118] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 570.461467][ T1118] INFO: task syz-executor004:9747 blocked for more than 143 seconds. [ 570.461476][ T1118] Not tainted 5.5.0-syzkaller #0 [ 570.461481][ T1118] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 570.461487][ T1118] syz-executor004 D28056 9747 9740 0x20020004 [ 570.461511][ T1118] Call Trace: [ 570.461535][ T1118] __schedule+0x934/0x1f90 [ 570.461560][ T1118] ? __sched_text_start+0x8/0x8 [ 570.461573][ T1118] ? lock_downgrade+0x920/0x920 [ 570.461590][ T1118] ? rwlock_bug.part.0+0x90/0x90 [ 570.461619][ T1118] schedule+0xdc/0x2b0 [ 570.461639][ T1118] schedule_preempt_disabled+0x13/0x20 [ 570.461653][ T1118] __mutex_lock+0x7ab/0x13c0 [ 570.461674][ T1118] ? fb_open+0xd7/0x450 [ 570.461699][ T1118] ? mutex_trylock+0x2d0/0x2d0 [ 570.461719][ T1118] ? __kasan_check_write+0x14/0x20 [ 570.461733][ T1118] ? __mutex_unlock_slowpath+0xf0/0x6a0 [ 570.461750][ T1118] ? chrdev_open+0xca/0x6b0 [ 570.461795][ T1118] mutex_lock_nested+0x16/0x20 [ 570.461811][ T1118] ? mutex_lock_nested+0x16/0x20 [ 570.461825][ T1118] fb_open+0xd7/0x450 [ 570.461846][ T1118] ? get_fb_info.part.0+0x80/0x80 [ 570.461861][ T1118] chrdev_open+0x245/0x6b0 [ 570.461882][ T1118] ? cdev_put.part.0+0x50/0x50 [ 570.461905][ T1118] ? security_file_open+0x87/0x300 [ 570.461927][ T1118] do_dentry_open+0x4e6/0x1380 [ 570.461940][ T1118] ? __kasan_check_read+0x11/0x20 [ 570.461959][ T1118] ? cdev_put.part.0+0x50/0x50 [ 570.461983][ T1118] ? chown_common+0x5c0/0x5c0 [ 570.462001][ T1118] ? inode_permission+0xb4/0x520 [ 570.462028][ T1118] vfs_open+0xa0/0xd0 [ 570.462046][ T1118] path_openat+0x12ee/0x3490 [ 570.462087][ T1118] ? path_mountpoint.isra.0+0x370/0x370 [ 570.462101][ T1118] ? __lock_acquire+0x16f2/0x4a00 [ 570.462131][ T1118] ? __alloc_fd+0x487/0x620 [ 570.462155][ T1118] do_filp_open+0x192/0x260 [ 570.462175][ T1118] ? may_open_dev+0x100/0x100 [ 570.462216][ T1118] ? do_raw_spin_unlock+0x181/0x270 [ 570.462235][ T1118] ? _raw_spin_unlock+0x28/0x40 [ 570.462252][ T1118] ? __alloc_fd+0x487/0x620 [ 570.462292][ T1118] do_sys_openat2+0x5eb/0x7e0 [ 570.462315][ T1118] ? file_open_root+0x430/0x430 [ 570.462338][ T1118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 570.462361][ T1118] ? debug_smp_processor_id+0x33/0x18a [ 570.462380][ T1118] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 570.462404][ T1118] do_sys_open+0xf2/0x180 [ 570.462423][ T1118] ? filp_open+0x80/0x80 [ 570.462448][ T1118] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 570.462465][ T1118] ? do_fast_syscall_32+0xd1/0xe16 [ 570.462481][ T1118] ? entry_SYSENTER_compat+0x70/0x7f [ 570.462497][ T1118] ? do_fast_syscall_32+0xd1/0xe16 [ 570.462523][ T1118] __ia32_compat_sys_openat+0x98/0xf0 [ 570.462547][ T1118] do_fast_syscall_32+0x27b/0xe16 [ 570.462574][ T1118] entry_SYSENTER_compat+0x70/0x7f [ 570.462585][ T1118] RIP: 0023:0xf7f88e39 [ 570.462601][ T1118] Code: Bad RIP value. [ 570.462610][ T1118] RSP: 002b:00000000ffaf79bc EFLAGS: 00000207 ORIG_RAX: 0000000000000127 [ 570.462623][ T1118] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000180 [ 570.462632][ T1118] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000080bc5bf [ 570.462642][ T1118] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000 [ 570.462651][ T1118] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 570.462660][ T1118] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 570.462698][ T1118] [ 570.462698][ T1118] Showing all locks held in the system: [ 570.462714][ T1118] 1 lock held by khungtaskd/1118: [ 570.462719][ T1118] #0: ffffffff89baa840 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 570.462788][ T1118] 1 lock held by rsyslogd/9620: [ 570.462794][ T1118] #0: ffff8880a3702120 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 570.462829][ T1118] 2 locks held by getty/9710: [ 570.462834][ T1118] #0: ffff88809330e090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 570.462861][ T1118] #1: ffffc9000185b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 570.462978][ T1118] 2 locks held by getty/9711: [ 570.462983][ T1118] #0: ffff8880985bd090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 570.463011][ T1118] #1: ffffc9000180b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 570.463044][ T1118] 2 locks held by getty/9712: [ 570.463050][ T1118] #0: ffff8880a96ce090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 570.463079][ T1118] #1: ffffc9000188b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 570.463114][ T1118] 2 locks held by getty/9713: [ 570.463119][ T1118] #0: ffff888092b2f090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 570.463146][ T1118] #1: ffffc9000181b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 570.463180][ T1118] 2 locks held by getty/9714: [ 570.463185][ T1118] #0: ffff888098034090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 570.463212][ T1118] #1: ffffc9000187b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 570.463245][ T1118] 2 locks held by getty/9715: [ 570.463250][ T1118] #0: ffff888098210090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 570.463276][ T1118] #1: ffffc9000186b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 570.463314][ T1118] 2 locks held by getty/9716: [ 570.463319][ T1118] #0: ffff88809ec2e090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 570.463353][ T1118] #1: ffffc900017cb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 570.463389][ T1118] 2 locks held by syz-executor004/9738: [ 570.463400][ T1118] 1 lock held by syz-executor004/9743: [ 570.463405][ T1118] #0: ffff888218c26070 (&fb_info->lock){+.+.}, at: fb_open+0xd7/0x450 [ 570.463438][ T1118] 1 lock held by syz-executor004/9744: [ 570.463443][ T1118] #0: ffff888218c26070 (&fb_info->lock){+.+.}, at: fb_open+0xd7/0x450 [ 570.463477][ T1118] 1 lock held by syz-executor004/9745: [ 570.463482][ T1118] #0: ffff888218c26070 (&fb_info->lock){+.+.}, at: fb_open+0xd7/0x450 [ 570.463514][ T1118] 1 lock held by syz-executor004/9746: [ 570.463519][ T1118] #0: ffff888218c26070 (&fb_info->lock){+.+.}, at: fb_open+0xd7/0x450 [ 570.463552][ T1118] 1 lock held by syz-executor004/9747: [ 570.463557][ T1118] #0: ffff888218c26070 (&fb_info->lock){+.+.}, at: fb_open+0xd7/0x450 [ 570.463585][ T1118] [ 570.463590][ T1118] ============================================= [ 570.463590][ T1118] [ 570.463598][ T1118] NMI backtrace for cpu 1 [ 570.463613][ T1118] CPU: 1 PID: 1118 Comm: khungtaskd Not tainted 5.5.0-syzkaller #0 [ 570.463623][ T1118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 570.463627][ T1118] Call Trace: [ 570.463693][ T1118] dump_stack+0x197/0x210 [ 570.463720][ T1118] nmi_cpu_backtrace.cold+0x70/0xb2 [ 570.463759][ T1118] ? vprintk_func+0x86/0x189 [ 570.463821][ T1118] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 570.463839][ T1118] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 570.463865][ T1118] arch_trigger_cpumask_backtrace+0x14/0x20 [ 570.463881][ T1118] watchdog+0xb11/0x10c0 [ 570.463953][ T1118] kthread+0x361/0x430 [ 570.463970][ T1118] ? reset_hung_task_detector+0x30/0x30 [ 570.463988][ T1118] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 570.464010][ T1118] ret_from_fork+0x24/0x30 [ 570.464050][ T1118] Sending NMI from CPU 1 to CPUs 0: [ 570.464836][ C0] NMI backtrace for cpu 0 [ 570.464847][ C0] CPU: 0 PID: 9738 Comm: syz-executor004 Not tainted 5.5.0-syzkaller #0 [ 570.464854][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 570.464859][ C0] RIP: 0010:__sanitizer_cov_trace_cmp4+0x0/0x20 [ 570.464871][ C0] Code: ff 5d c3 0f 1f 80 00 00 00 00 55 0f b7 d6 0f b7 f7 bf 02 00 00 00 48 89 e5 48 8b 4d 08 e8 58 ff ff ff 5d c3 66 0f 1f 44 00 00 <55> 89 f2 89 fe bf 04 00 00 00 48 89 e5 48 8b 4d 08 e8 3a ff ff ff [ 570.464876][ C0] RSP: 0018:ffffc90002047460 EFLAGS: 00000282 [ 570.464884][ C0] RAX: ffff8880a21c6340 RBX: 0000000000000050 RCX: ffffffff83c93200 [ 570.464889][ C0] RDX: 0000000000000000 RSI: 0000000000000046 RDI: 0000000000000050 [ 570.464895][ C0] RBP: ffffc900020474c8 R08: ffff8880a21c6340 R09: ffffed10431830a4 [ 570.464901][ C0] R10: ffffed10431830a3 R11: ffff888218c1851f R12: 0000000000000046 [ 570.464906][ C0] R13: ffff8880000a0046 R14: ffff8880000a0000 R15: 0000000000000000 [ 570.464912][ C0] FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:000000000973d840 [ 570.464917][ C0] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 570.464922][ C0] CR2: 00000000097460f4 CR3: 00000000a949b000 CR4: 00000000001406f0 [ 570.464928][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 570.464933][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 570.464936][ C0] Call Trace: [ 570.464940][ C0] ? vga16fb_fillrect+0xa20/0x19b0 [ 570.464943][ C0] bit_clear_margins+0x30b/0x530 [ 570.464947][ C0] ? bit_bmove+0x270/0x270 [ 570.464950][ C0] ? vesafb_probe.cold+0x1279/0x1279 [ 570.464954][ C0] fbcon_clear_margins+0x1e9/0x250 [ 570.464958][ C0] fbcon_switch+0xd7f/0x17f0 [ 570.464961][ C0] ? fbcon_set_def_font+0x360/0x360 [ 570.464965][ C0] ? fbcon_cursor+0x48c/0x660 [ 570.464969][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 570.464973][ C0] ? fbcon_set_origin+0x2b/0x50 [ 570.464977][ C0] ? fbcon_scrolldelta+0x1220/0x1220 [ 570.464982][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 570.464985][ C0] redraw_screen+0x2b6/0x7d0 [ 570.464989][ C0] ? vesafb_probe.cold+0x1279/0x1279 [ 570.464992][ C0] ? respond_string+0x2c0/0x2c0 [ 570.464996][ C0] ? fbcon_set_palette+0x3c4/0x4a0 [ 570.465000][ C0] fbcon_modechanged+0x5c3/0x790 [ 570.465003][ C0] fbcon_update_vcs+0x42/0x50 [ 570.465006][ C0] fb_set_var+0xb32/0xdd0 [ 570.465010][ C0] ? fb_blank+0x1a0/0x1a0 [ 570.465013][ C0] ? lock_acquire+0x190/0x410 [ 570.465017][ C0] ? __mutex_lock+0x458/0x13c0 [ 570.465020][ C0] ? down+0x50/0x90 [ 570.465023][ C0] ? do_fb_ioctl+0x335/0x7d0 [ 570.465026][ C0] do_fb_ioctl+0x390/0x7d0 [ 570.465029][ C0] ? fb_mmap+0x560/0x560 [ 570.465033][ C0] ? lockdep_hardirqs_on+0x421/0x5e0 [ 570.465038][ C0] ? tomoyo_path_number_perm+0x454/0x520 [ 570.465042][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 570.465046][ C0] ? tomoyo_path_number_perm+0x25e/0x520 [ 570.465050][ C0] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 570.465053][ C0] ? putname+0xef/0x130 [ 570.465057][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 570.465062][ C0] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 570.465064][ C0] ? do_vfs_ioctl+0x11b/0x1350 [ 570.465067][ C0] fb_compat_ioctl+0x305/0xc50 [ 570.465070][ C0] ? fb_release+0x150/0x150 [ 570.465073][ C0] ? do_sys_open+0xf2/0x180 [ 570.465076][ C0] ? tomoyo_file_ioctl+0x23/0x30 [ 570.465080][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 570.465083][ C0] ? fb_release+0x150/0x150 [ 570.465086][ C0] __ia32_compat_sys_ioctl+0x245/0x2c0 [ 570.465089][ C0] do_fast_syscall_32+0x27b/0xe16 [ 570.465092][ C0] entry_SYSENTER_compat+0x70/0x7f [ 570.465095][ C0] RIP: 0023:0xf7f88e39 [ 570.465106][ C0] Code: 1d 00 00 00 89 d3 5b 5e 5d c3 8b 04 24 c3 8b 1c 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 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 [ 570.465109][ C0] RSP: 002b:00000000ffaf79cc EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 570.465117][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000004601 [ 570.465122][ C0] RDX: 0000000020000000 RSI: 0000000000000001 RDI: 00000000ffaf7ae4 [ 570.465126][ C0] RBP: 00000000ffaf7aec R08: 0000000000000000 R09: 0000000000000000 [ 570.465131][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 570.465135][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 570.465146][ T1118] Kernel panic - not syncing: hung_task: blocked tasks [ 570.465158][ T1118] CPU: 1 PID: 1118 Comm: khungtaskd Not tainted 5.5.0-syzkaller #0 [ 570.465165][ T1118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 570.465169][ T1118] Call Trace: [ 570.465185][ T1118] dump_stack+0x197/0x210 [ 570.465233][ T1118] panic+0x2e3/0x75c [ 570.465250][ T1118] ? add_taint.cold+0x16/0x16 [ 570.465272][ T1118] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 570.465289][ T1118] ? printk_safe_flush+0xf2/0x140 [ 570.465305][ T1118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 570.465327][ T1118] ? nmi_trigger_cpumask_backtrace+0x224/0x28b [ 570.465347][ T1118] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 570.465372][ T1118] watchdog+0xb22/0x10c0 [ 570.465407][ T1118] kthread+0x361/0x430 [ 570.465424][ T1118] ? reset_hung_task_detector+0x30/0x30 [ 570.465441][ T1118] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 570.465462][ T1118] ret_from_fork+0x24/0x30 [ 570.467171][ T1118] Kernel Offset: disabled [ 572.988096][ T1118] Rebooting in 86400 seconds..