[ 86.707599][ T10] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:46364' (ED25519) 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 [ 139.224932][ T5359] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! 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 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 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 [ 147.364802][ T5705] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! 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 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 [ 152.519288][ T5934] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! 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 [ 155.064022][ T6047] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 155.712511][ T6079] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! 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 [ 156.375683][ T6107] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 157.064869][ T6136] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! 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 [ 157.752014][ T6167] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 158.400840][ T6194] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 159.077328][ T6226] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 159.744267][ T6253] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! 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 [ 160.408662][ T6284] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! 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 [ 161.102406][ T6318] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 161.784094][ T6351] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! 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 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 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 [ 169.743074][ T6680] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! 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 [ 170.432421][ T6715] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! 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 [ 171.121049][ T6747] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 171.811125][ T6781] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 172.487793][ T6811] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 173.201853][ T6844] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! 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 [ 174.162764][ T6885] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 174.823006][ T6918] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 175.492730][ T6949] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! 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 [ 176.176425][ T6979] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 176.864859][ T7010] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 177.539929][ T7039] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 178.192779][ T7068] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! 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 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 [ 181.988424][ T7227] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 182.669445][ T7254] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 183.349191][ T7283] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 184.005348][ T7313] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! 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 [ 184.716315][ T7351] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! 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 [ 185.394336][ T7377] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 186.094541][ T7403] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 186.783230][ T7433] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! 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 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 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 [ 195.876706][ T7815] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! 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 [ 196.580484][ T7847] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! 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 [ 197.538481][ T7888] debugfs: Directory 'ttyS3' with parent 'caif_serial' already present! 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 [ 304.343647][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 304.347061][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-0): P7959/1:b..l P7954/1:b..l P7962/1:b..l [ 304.352323][ C0] rcu: (detected by 0, t=10502 jiffies, g=33817, q=56 ncpus=1) [ 304.355441][ C0] task:syz-executor856 state:R running task stack:25512 pid:7962 tgid:7960 ppid:5332 task_flags:0x400040 flags:0x00004002 [ 304.361650][ C0] Call Trace: [ 304.363083][ C0] [ 304.364274][ C0] __schedule+0x16e2/0x4cd0 [ 304.366376][ C0] ? preempt_schedule_common+0x83/0xd0 [ 304.368697][ C0] ? irqentry_exit+0x74/0x90 [ 304.370673][ C0] ? lockdep_hardirqs_on+0x9c/0x150 [ 304.372845][ C0] ? __pfx___schedule+0x10/0x10 [ 304.374932][ C0] ? check_preemption_disabled+0x49/0x120 [ 304.377291][ C0] ? preempt_schedule+0xae/0xc0 [ 304.379359][ C0] preempt_schedule_common+0x83/0xd0 [ 304.381592][ C0] preempt_schedule+0xae/0xc0 [ 304.383601][ C0] ? __pfx_preempt_schedule+0x10/0x10 [ 304.385917][ C0] preempt_schedule_thunk+0x16/0x30 [ 304.387966][ C0] _raw_spin_unlock+0x3f/0x50 [ 304.390042][ C0] finish_fault+0xd97/0x1020 [ 304.392331][ C0] __handle_mm_fault+0x3666/0x5380 [ 304.394865][ C0] ? __pfx___handle_mm_fault+0x10/0x10 [ 304.396937][ C0] ? follow_page_pte+0x888/0x13c0 [ 304.399128][ C0] handle_mm_fault+0x3f6/0x8c0 [ 304.401377][ C0] __get_user_pages+0x16f0/0x2a40 [ 304.403292][ C0] ? mt_find+0x15c/0x5f0 [ 304.405035][ C0] ? __pfx___get_user_pages+0x10/0x10 [ 304.407284][ C0] populate_vma_page_range+0x26b/0x340 [ 304.409530][ C0] ? __pfx_populate_vma_page_range+0x10/0x10 [ 304.412055][ C0] ? userfaultfd_unmap_complete+0x278/0x2d0 [ 304.414473][ C0] ? down_read+0x1ad/0x2e0 [ 304.416414][ C0] __mm_populate+0x24c/0x380 [ 304.418341][ C0] ? __pfx___mm_populate+0x10/0x10 [ 304.420302][ C0] ? up_write+0x1c4/0x420 [ 304.422069][ C0] vm_mmap_pgoff+0x3f0/0x4c0 [ 304.424033][ C0] ? __pfx_vm_mmap_pgoff+0x10/0x10 [ 304.426178][ C0] ? rcu_is_watching+0x15/0xb0 [ 304.428222][ C0] ? ksys_mmap_pgoff+0xf4/0x760 [ 304.430272][ C0] ? __x64_sys_mmap+0x7f/0x140 [ 304.432147][ C0] do_syscall_64+0xf6/0x210 [ 304.433970][ C0] ? clear_bhb_loop+0x45/0xa0 [ 304.435888][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.438254][ C0] RIP: 0033:0x7f8632ba6489 [ 304.439821][ C0] RSP: 002b:00007f8632b5e158 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 304.442872][ C0] RAX: ffffffffffffffda RBX: 00007f8632c303c8 RCX: 00007f8632ba6489 [ 304.446078][ C0] RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000200000000000 [ 304.449134][ C0] RBP: 00007f8632c303c0 R08: ffffffffffffffff R09: 0000000000000000 [ 304.451808][ C0] R10: 0000000000008031 R11: 0000000000000246 R12: 00007f8632c303cc [ 304.454861][ C0] R13: 0000000000000016 R14: 00007ffd49f577c0 R15: 00007ffd49f578a8 [ 304.457929][ C0] [ 304.459237][ C0] task:syz-executor856 state:R running task stack:24664 pid:7954 tgid:7952 ppid:5321 task_flags:0x40044c flags:0x00004002 [ 304.464577][ C0] Call Trace: [ 304.466045][ C0] [ 304.467385][ C0] __schedule+0x16e2/0x4cd0 [ 304.469412][ C0] ? is_bpf_text_address+0x26/0x2b0 [ 304.471552][ C0] ? preempt_schedule_irq+0xb5/0x150 [ 304.473847][ C0] ? __pfx___schedule+0x10/0x10 [ 304.475961][ C0] ? is_bpf_text_address+0x292/0x2b0 [ 304.478355][ C0] ? unwind_get_return_address+0x4d/0x90 [ 304.480828][ C0] ? preempt_schedule_irq+0xaa/0x150 [ 304.483004][ C0] preempt_schedule_irq+0xb5/0x150 [ 304.485238][ C0] ? __pfx_preempt_schedule_irq+0x10/0x10 [ 304.487567][ C0] ? rcu_irq_exit_check_preempt+0xdf/0x210 [ 304.490032][ C0] irqentry_exit+0x6f/0x90 [ 304.491933][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 304.494468][ C0] RIP: 0010:unwind_next_frame+0x365/0x2390 [ 304.496584][ C0] Code: 90 49 c1 fd 02 4a 8d 14 6d 00 00 00 00 4c 01 ea 48 01 d2 48 01 f2 48 bd 00 00 00 00 00 fc ff df 0f 84 37 01 00 00 4c 8d 62 04 <4c> 8d 6a 05 4c 89 e0 48 c1 e8 03 0f b6 04 28 84 c0 0f 85 6d 19 00 [ 304.504595][ C0] RSP: 0018:ffffc9002063edb8 EFLAGS: 00000282 [ 304.507061][ C0] RAX: ffffffff8f9c9d04 RBX: ffffffff8f9c9d08 RCX: ffffffff8f9c9d0c [ 304.510272][ C0] RDX: ffffffff901c8562 RSI: ffffffff901c8562 RDI: ffffffff8bc1d080 [ 304.513853][ C0] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 [ 304.517341][ C0] R10: 0000000000000000 R11: ffffffff817199f5 R12: ffffffff901c8566 [ 304.520835][ C0] R13: 0000000000000000 R14: ffffc9002063ee88 R15: ffffffff8f9c9d08 [ 304.524296][ C0] ? unwind_next_frame+0xa5/0x2390 [ 304.526532][ C0] ? unwind_next_frame+0xd4/0x2390 [ 304.528607][ C0] ? unwind_next_frame+0xa5/0x2390 [ 304.530377][ C0] ? evict+0x501/0x9c0 [ 304.531826][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 304.534248][ C0] arch_stack_walk+0x11c/0x150 [ 304.536247][ C0] ? evict+0x501/0x9c0 [ 304.537969][ C0] stack_trace_save+0x9c/0xe0 [ 304.539943][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 304.542197][ C0] save_stack+0xf7/0x1f0 [ 304.543856][ C0] ? __pfx_save_stack+0x10/0x10 [ 304.545785][ C0] ? free_unref_folios+0xb81/0x14a0 [ 304.547935][ C0] ? folios_put_refs+0x559/0x640 [ 304.549894][ C0] ? shmem_undo_range+0x49e/0x14b0 [ 304.551897][ C0] ? shmem_evict_inode+0x272/0xa70 [ 304.554091][ C0] ? evict+0x501/0x9c0 [ 304.555811][ C0] ? page_ext_put+0x97/0xc0 [ 304.557844][ C0] __reset_page_owner+0x71/0x1f0 [ 304.559988][ C0] free_unref_folios+0xb81/0x14a0 [ 304.562162][ C0] folios_put_refs+0x559/0x640 [ 304.564203][ C0] ? __pfx_folios_put_refs+0x10/0x10 [ 304.566319][ C0] ? folio_batch_remove_exceptionals+0x18c/0x1f0 [ 304.569077][ C0] shmem_undo_range+0x49e/0x14b0 [ 304.571221][ C0] ? __pfx_shmem_undo_range+0x10/0x10 [ 304.573574][ C0] ? kernel_text_address+0xa5/0xe0 [ 304.575640][ C0] ? stack_depot_save_flags+0x40/0x910 [ 304.577784][ C0] ? kernel_text_address+0xa5/0xe0 [ 304.580045][ C0] ? percpu_counter_add_batch+0xea/0x1e0 [ 304.582487][ C0] shmem_evict_inode+0x272/0xa70 [ 304.584704][ C0] ? inode_wait_for_writeback+0xf9/0x290 [ 304.587146][ C0] ? __pfx_shmem_evict_inode+0x10/0x10 [ 304.589571][ C0] ? __pfx_inode_wait_for_writeback+0x10/0x10 [ 304.592272][ C0] ? do_raw_spin_unlock+0x4d/0x240 [ 304.594547][ C0] ? __pfx_shmem_evict_inode+0x10/0x10 [ 304.597265][ C0] evict+0x501/0x9c0 [ 304.599288][ C0] ? __pfx_evict+0x10/0x10 [ 304.601727][ C0] ? do_raw_spin_unlock+0x4d/0x240 [ 304.604461][ C0] ? _raw_spin_unlock+0x28/0x50 [ 304.607266][ C0] ? iput+0x6d8/0x9d0 [ 304.609571][ C0] __dentry_kill+0x209/0x660 [ 304.611965][ C0] ? dput+0x37/0x2b0 [ 304.614087][ C0] dput+0x19f/0x2b0 [ 304.616198][ C0] __fput+0x68e/0xa70 [ 304.618388][ C0] task_work_run+0x1d1/0x260 [ 304.620846][ C0] ? __pfx_task_work_run+0x10/0x10 [ 304.623418][ C0] do_exit+0x8d6/0x2550 [ 304.625239][ C0] ? do_raw_spin_lock+0x121/0x290 [ 304.627394][ C0] ? __pfx_do_exit+0x10/0x10 [ 304.629473][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 304.631942][ C0] do_group_exit+0x21c/0x2d0 [ 304.633961][ C0] ? lockdep_hardirqs_on+0x9c/0x150 [ 304.636244][ C0] get_signal+0x125e/0x1310 [ 304.638340][ C0] arch_do_signal_or_restart+0x95/0x780 [ 304.640842][ C0] ? vm_mmap_pgoff+0x3f0/0x4c0 [ 304.643045][ C0] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 304.645338][ C0] ? local_irq_enable_exit_to_user+0x5/0x10 [ 304.647444][ C0] syscall_exit_to_user_mode+0x8b/0x120 [ 304.649482][ C0] do_syscall_64+0x103/0x210 [ 304.651417][ C0] ? clear_bhb_loop+0x45/0xa0 [ 304.653418][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.655937][ C0] RIP: 0033:0x7f8632ba6489 [ 304.657677][ C0] RSP: 002b:00007f8632b5e158 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 304.661026][ C0] RAX: 0000200000000000 RBX: 00007f8632c303c8 RCX: 00007f8632ba6489 [ 304.664472][ C0] RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000200000000000 [ 304.667895][ C0] RBP: 00007f8632c303c0 R08: ffffffffffffffff R09: 0000000000000000 [ 304.671081][ C0] R10: 0000000000008031 R11: 0000000000000246 R12: 00007f8632c303cc [ 304.674544][ C0] R13: 0000000000000016 R14: 00007ffd49f577c0 R15: 00007ffd49f578a8 [ 304.678039][ C0] [ 304.679424][ C0] task:syz-executor856 state:R running task stack:25848 pid:7959 tgid:7957 ppid:5322 task_flags:0x40044c flags:0x00004002 [ 304.684811][ C0] Call Trace: [ 304.686257][ C0] [ 304.687590][ C0] __schedule+0x16e2/0x4cd0 [ 304.689763][ C0] ? __lock_acquire+0xaac/0xd20 [ 304.691811][ C0] ? preempt_schedule_irq+0xb5/0x150 [ 304.693999][ C0] ? __lock_acquire+0xaac/0xd20 [ 304.695985][ C0] ? __pfx___schedule+0x10/0x10 [ 304.697974][ C0] ? unwind_next_frame+0xa5/0x2390 [ 304.700160][ C0] ? preempt_schedule_irq+0xaa/0x150 [ 304.702416][ C0] preempt_schedule_irq+0xb5/0x150 [ 304.704594][ C0] ? __pfx_preempt_schedule_irq+0x10/0x10 [ 304.707137][ C0] ? rcu_irq_exit_check_preempt+0xdf/0x210 [ 304.709324][ C0] irqentry_exit+0x6f/0x90 [ 304.711090][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 304.713921][ C0] RIP: 0010:lock_acquire+0x175/0x360 [ 304.716615][ C0] Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 6b 31 d7 10 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e [ 304.725406][ C0] RSP: 0018:ffffc9002064ed18 EFLAGS: 00000206 [ 304.728093][ C0] RAX: ae8eddc4affd7100 RBX: 0000000000000000 RCX: ae8eddc4affd7100 [ 304.731901][ C0] RDX: 0000000000000001 RSI: ffffffff8d935638 RDI: ffffffff8bc1d0e0 [ 304.735445][ C0] RBP: ffffffff817199f5 R08: 0000000000000000 R09: 0000000000000000 [ 304.738332][ C0] R10: 0000000000000000 R11: ffffffff817199f5 R12: 0000000000000002 [ 304.741349][ C0] R13: ffffffff8df3b860 R14: 0000000000000000 R15: 0000000000000246 [ 304.744878][ C0] ? unwind_next_frame+0xa5/0x2390 [ 304.747110][ C0] ? unwind_next_frame+0xa5/0x2390 [ 304.749416][ C0] ? unwind_next_frame+0xa5/0x2390 [ 304.751682][ C0] ? do_syscall_64+0x103/0x210 [ 304.753804][ C0] ? unwind_next_frame+0xa5/0x2390 [ 304.756065][ C0] unwind_next_frame+0xc2/0x2390 [ 304.758190][ C0] ? unwind_next_frame+0xa5/0x2390 [ 304.760401][ C0] ? unwind_next_frame+0xa5/0x2390 [ 304.762724][ C0] ? syscall_exit_to_user_mode+0x8b/0x120 [ 304.765187][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 304.767823][ C0] arch_stack_walk+0x11c/0x150 [ 304.769786][ C0] ? do_syscall_64+0x103/0x210 [ 304.771739][ C0] stack_trace_save+0x9c/0xe0 [ 304.773781][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 304.775992][ C0] save_stack+0xf7/0x1f0 [ 304.777921][ C0] ? __pfx_save_stack+0x10/0x10 [ 304.780150][ C0] ? free_unref_folios+0xb81/0x14a0 [ 304.782495][ C0] ? folios_put_refs+0x559/0x640 [ 304.784751][ C0] ? shmem_undo_range+0x49e/0x14b0 [ 304.787035][ C0] ? shmem_evict_inode+0x272/0xa70 [ 304.789242][ C0] ? evict+0x501/0x9c0 [ 304.790881][ C0] ? __dentry_kill+0x209/0x660 [ 304.792731][ C0] ? dput+0x19f/0x2b0 [ 304.794059][ C0] ? __fput+0x68e/0xa70 [ 304.795563][ C0] ? task_work_run+0x1d1/0x260 [ 304.797321][ C0] ? do_exit+0x8d6/0x2550 [ 304.798877][ C0] ? do_group_exit+0x21c/0x2d0 [ 304.800648][ C0] ? get_signal+0x125e/0x1310 [ 304.802306][ C0] ? arch_do_signal_or_restart+0x95/0x780 [ 304.804600][ C0] ? syscall_exit_to_user_mode+0x8b/0x120 [ 304.806923][ C0] ? do_syscall_64+0x103/0x210 [ 304.808463][ C0] ? page_ext_put+0x97/0xc0 [ 304.810261][ C0] __reset_page_owner+0x71/0x1f0 [ 304.812316][ C0] free_unref_folios+0xb81/0x14a0 [ 304.814398][ C0] folios_put_refs+0x559/0x640 [ 304.816384][ C0] ? __pfx_folios_put_refs+0x10/0x10 [ 304.818511][ C0] ? mlock_drain_local+0x79/0x490 [ 304.820458][ C0] ? mlock_drain_local+0x28e/0x490 [ 304.822772][ C0] shmem_undo_range+0x49e/0x14b0 [ 304.824979][ C0] ? __pfx_shmem_undo_range+0x10/0x10 [ 304.827344][ C0] ? kernel_text_address+0xa5/0xe0 [ 304.829644][ C0] ? stack_depot_save_flags+0x40/0x910 [ 304.831491][ C0] ? kernel_text_address+0xa5/0xe0 [ 304.833438][ C0] ? percpu_counter_add_batch+0xea/0x1e0 [ 304.835661][ C0] shmem_evict_inode+0x272/0xa70 [ 304.837784][ C0] ? inode_wait_for_writeback+0xf9/0x290 [ 304.840198][ C0] ? __pfx_shmem_evict_inode+0x10/0x10 [ 304.842510][ C0] ? __pfx_inode_wait_for_writeback+0x10/0x10 [ 304.845136][ C0] ? do_raw_spin_unlock+0x4d/0x240 [ 304.847735][ C0] ? __pfx_shmem_evict_inode+0x10/0x10 [ 304.850418][ C0] evict+0x501/0x9c0 [ 304.852132][ C0] ? __pfx_evict+0x10/0x10 [ 304.853977][ C0] ? do_raw_spin_unlock+0x4d/0x240 [ 304.856089][ C0] ? _raw_spin_unlock+0x28/0x50 [ 304.858085][ C0] ? iput+0x6d8/0x9d0 [ 304.859908][ C0] __dentry_kill+0x209/0x660 [ 304.862021][ C0] ? dput+0x37/0x2b0 [ 304.863735][ C0] dput+0x19f/0x2b0 [ 304.865444][ C0] __fput+0x68e/0xa70 [ 304.867089][ C0] task_work_run+0x1d1/0x260 [ 304.868979][ C0] ? __pfx_task_work_run+0x10/0x10 [ 304.871256][ C0] do_exit+0x8d6/0x2550 [ 304.873118][ C0] ? do_raw_spin_lock+0x121/0x290 [ 304.875157][ C0] ? __pfx_do_exit+0x10/0x10 [ 304.876934][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 304.879165][ C0] do_group_exit+0x21c/0x2d0 [ 304.881103][ C0] ? lockdep_hardirqs_on+0x9c/0x150 [ 304.883267][ C0] get_signal+0x125e/0x1310 [ 304.885456][ C0] arch_do_signal_or_restart+0x95/0x780 [ 304.887717][ C0] ? vm_mmap_pgoff+0x3f0/0x4c0 [ 304.889628][ C0] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 304.892176][ C0] ? local_irq_enable_exit_to_user+0x5/0x10 [ 304.894626][ C0] syscall_exit_to_user_mode+0x8b/0x120 [ 304.896875][ C0] do_syscall_64+0x103/0x210 [ 304.898826][ C0] ? clear_bhb_loop+0x45/0xa0 [ 304.900705][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.903094][ C0] RIP: 0033:0x7f8632ba6489 [ 304.904959][ C0] RSP: 002b:00007f8632b5e158 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 304.908073][ C0] RAX: 0000200000000000 RBX: 00007f8632c303c8 RCX: 00007f8632ba6489 [ 304.911461][ C0] RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000200000000000 [ 304.915512][ C0] RBP: 00007f8632c303c0 R08: ffffffffffffffff R09: 0000000000000000 [ 304.919246][ C0] R10: 0000000000008031 R11: 0000000000000246 R12: 00007f8632c303cc [ 304.922497][ C0] R13: 0000000000000016 R14: 00007ffd49f577c0 R15: 00007ffd49f578a8 [ 304.925645][ C0] [ 304.926983][ C0] rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g33817 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 304.931725][ C0] rcu: Possible timer handling issue on cpu=0 timer-softirq=14930 [ 304.935032][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g33817 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 304.939714][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 304.943898][ C0] rcu: RCU grace-period kthread stack dump: [ 304.946349][ C0] task:rcu_preempt state:I stack:29000 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000 [ 304.951281][ C0] Call Trace: [ 304.952593][ C0] [ 304.953661][ C0] __schedule+0x16e2/0x4cd0 [ 304.955509][ C0] ? do_raw_spin_unlock+0x4d/0x240 [ 304.957609][ C0] ? schedule+0x165/0x360 [ 304.959414][ C0] ? __pfx___schedule+0x10/0x10 [ 304.961545][ C0] ? schedule+0x91/0x360 [ 304.963301][ C0] schedule+0x165/0x360 [ 304.965096][ C0] schedule_timeout+0x12b/0x270 [ 304.967003][ C0] ? __pfx_schedule_timeout+0x10/0x10 [ 304.968976][ C0] ? __pfx_process_timeout+0x10/0x10 [ 304.970940][ C0] ? prepare_to_swait_event+0x341/0x380 [ 304.973068][ C0] rcu_gp_fqs_loop+0x301/0x1540 [ 304.974919][ C0] ? lockdep_hardirqs_on+0x9c/0x150 [ 304.976776][ C0] ? __pfx_rcu_gp_init+0x10/0x10 [ 304.978886][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 304.981259][ C0] ? _raw_spin_unlock_irq+0x2e/0x50 [ 304.983564][ C0] ? finish_swait+0xcd/0x1f0 [ 304.985670][ C0] rcu_gp_kthread+0x99/0x390 [ 304.987617][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 304.989812][ C0] ? __kthread_parkme+0x7b/0x200 [ 304.992053][ C0] ? __kthread_parkme+0x1a1/0x200 [ 304.994341][ C0] kthread+0x70e/0x8a0 [ 304.996090][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 304.998152][ C0] ? __pfx_kthread+0x10/0x10 [ 304.999973][ C0] ? __pfx_kthread+0x10/0x10 [ 305.001913][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 305.004162][ C0] ? lockdep_hardirqs_on+0x9c/0x150 [ 305.006277][ C0] ? __pfx_kthread+0x10/0x10 [ 305.008419][ C0] ret_from_fork+0x4b/0x80 [ 305.010510][ C0] ? __pfx_kthread+0x10/0x10 [ 305.012873][ C0] ret_from_fork_asm+0x1a/0x30 [ 305.015451][ C0] [ 305.017079][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 305.020585][ C0] CPU: 0 UID: 0 PID: 1312 Comm: aoe_tx0 Not tainted 6.15.0-rc4-syzkaller-00208-g00b827f0cffa #0 PREEMPT(full) [ 305.026446][ C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 305.031517][ C0] RIP: 0010:_raw_spin_lock_irqsave+0x6a/0xf0 [ 305.034726][ C0] Code: 8b 49 89 e7 49 c1 ef 03 48 b8 f1 f1 f1 f1 00 f3 f3 f3 49 bc 00 00 00 00 00 fc ff df 4b 89 04 27 48 c7 44 24 20 00 00 00 00 9c <8f> 44 24 20 4c 8b 74 24 20 fa 41 f7 c6 00 02 00 00 74 05 e8 7e c7 [ 305.043348][ C0] RSP: 0018:ffffc900028cf758 EFLAGS: 00000a02 [ 305.046029][ C0] RAX: f3f3f300f1f1f1f1 RBX: ffffffff99b4c6c0 RCX: 0000000000000000 [ 305.049423][ C0] RDX: ffff88801c24c880 RSI: 0000000000000001 RDI: ffffffff99b4c6c0 [ 305.052717][ C0] RBP: ffffc900028cf7e0 R08: ffff88801fdc8f87 R09: 1ffff11003fb91f0 [ 305.056022][ C0] R10: dffffc0000000000 R11: ffffed1003fb91f1 R12: dffffc0000000000 [ 305.059334][ C0] R13: dffffc0000000000 R14: 0000000000000001 R15: 1ffff92000519eec [ 305.062633][ C0] FS: 0000000000000000(0000) GS:ffff88808d6cc000(0000) knlGS:0000000000000000 [ 305.066323][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 305.069029][ C0] CR2: 00007f03615958e5 CR3: 000000003ffa2000 CR4: 0000000000352ef0 [ 305.072167][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 305.075349][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 305.078540][ C0] Call Trace: [ 305.079987][ C0] [ 305.081158][ C0] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 305.083588][ C0] uart_write_room+0xf0/0x840 [ 305.085509][ C0] ? skb_pull+0xc1/0x1d0 [ 305.087233][ C0] handle_tx+0x163/0x610 [ 305.089002][ C0] dev_hard_start_xmit+0x2ff/0x880 [ 305.091155][ C0] __dev_queue_xmit+0x1adf/0x3a70 [ 305.093083][ C0] ? __dev_queue_xmit+0x27e/0x3a70 [ 305.094958][ C0] ? rcu_is_watching+0x15/0xb0 [ 305.096944][ C0] ? trace_sched_exit_tp+0x38/0x120 [ 305.099075][ C0] ? __schedule+0x1700/0x4cd0 [ 305.100932][ C0] ? __pfx___dev_queue_xmit+0x10/0x10 [ 305.103094][ C0] ? __lock_acquire+0xaac/0xd20 [ 305.105179][ C0] ? do_raw_spin_lock+0x121/0x290 [ 305.107269][ C0] ? do_raw_spin_unlock+0x4d/0x240 [ 305.109442][ C0] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 305.111897][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 305.114062][ C0] ? lockdep_hardirqs_on+0x9c/0x150 [ 305.116177][ C0] tx+0x6b/0x190 [ 305.117615][ C0] ? __pfx_tx+0x10/0x10 [ 305.119233][ C0] kthread+0x1cd/0x3e0 [ 305.120939][ C0] ? __pfx_kthread+0x10/0x10 [ 305.122801][ C0] ? __pfx_default_wake_function+0x10/0x10 [ 305.125115][ C0] ? __kthread_parkme+0x7b/0x200 [ 305.127052][ C0] ? __kthread_parkme+0x1a1/0x200 [ 305.129396][ C0] kthread+0x70e/0x8a0 [ 305.131116][ C0] ? __pfx_kthread+0x10/0x10 [ 305.133038][ C0] ? __pfx_kthread+0x10/0x10 [ 305.134974][ C0] ? __pfx_kthread+0x10/0x10 [ 305.136973][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 305.138971][ C0] ? lockdep_hardirqs_on+0x9c/0x150 [ 305.141142][ C0] ? __pfx_kthread+0x10/0x10 [ 305.142939][ C0] ret_from_fork+0x4b/0x80 [ 305.144772][ C0] ? __pfx_kthread+0x10/0x10 [ 305.146719][ C0] ret_from_fork_asm+0x1a/0x30 [ 305.148803][ C0] VM DIAGNOSIS: 00:21:26 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000020 RBX=0000000000000020 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f8 RSP=ffffc90000007430 R8 =ffff88801fdc8237 R9 =1ffff11003fb9046 R10=dffffc0000000000 R11=ffffffff853d88f0 R12=dffffc0000000000 R13=ffffffff99846c6e R14=ffffffff99b4bbc0 R15=0000000000000000 RIP=ffffffff853d896c RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000000000000000 ffffffff 00c00000 GS =0000 ffff88808d6cc000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f03615958e5 CR3=000000003ffa2000 CR4=00352ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 Opmask00=0000000040000021 Opmask01=0000000000000001 Opmask02=00000000fff7ffff Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffd49f57990 0000003000000010 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffffffffffffffff ffffffff0f0e0d0c ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2525252525252525 2525252525252525 2525252525252525 2525252525252525 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2e006a64615f6572 6f63735f6d6f6f2f 666c65732f636f72 702f003030303100 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0b004f41445f4057 4a46565f484a4a0a 434940560a464a57 550a001515151400 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000