Warning: Permanently added '10.128.10.38' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program [ 62.165575][ T4170] loop2: detected capacity change from 0 to 32768 [ 62.205207][ T4166] loop0: detected capacity change from 0 to 32768 [ 62.210713][ T4169] loop3: detected capacity change from 0 to 32768 [ 62.225454][ T4171] loop4: detected capacity change from 0 to 32768 [ 62.228986][ T4172] loop1: detected capacity change from 0 to 32768 executing program executing program executing program [ 62.340809][ T4169] ialloc: diAlloc returned -5! [ 62.341890][ T4166] ialloc: diAlloc returned -5! [ 62.345936][ T4171] ialloc: diAlloc returned -5! [ 62.358742][ T4170] ialloc: diAlloc returned -5! executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 81.620303][ T1110] cfg80211: failed to load regulatory.db executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 286.418150][ T27] INFO: task jfsCommit:276 blocked for more than 143 seconds. [ 286.437635][ T27] Not tainted 5.15.176-syzkaller #0 [ 286.444022][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.477687][ T27] task:jfsCommit state:D stack:27896 pid: 276 ppid: 2 flags:0x00004000 [ 286.497584][ T27] Call Trace: [ 286.500910][ T27] [ 286.503858][ T27] __schedule+0x12c4/0x45b0 [ 286.527630][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 286.533691][ T27] ? release_firmware_map_entry+0x190/0x190 [ 286.546058][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 286.567578][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 286.586451][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 286.593274][ T27] schedule+0x11b/0x1f0 [ 286.597481][ T27] io_schedule+0x88/0x100 [ 286.602368][ T27] __lock_metapage+0x1ec/0x3c0 [ 286.607182][ T27] ? last_read_complete+0x1d0/0x1d0 [ 286.612873][ T27] ? sched_dynamic_update+0x240/0x240 [ 286.618574][ T27] ? do_read_cache_page+0xcb3/0x1040 [ 286.623896][ T27] __get_metapage+0x495/0x1070 [ 286.629177][ T27] dbUpdatePMap+0x365/0xf50 [ 286.633734][ T27] txAllocPMap+0x57b/0x6b0 [ 286.638648][ T27] txUpdateMap+0x7c8/0x9e0 [ 286.643100][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 286.648752][ T27] ? txCommit+0x6ba0/0x6ba0 [ 286.653301][ T27] jfs_lazycommit+0x470/0xc30 [ 286.658719][ T27] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 286.664648][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 286.670367][ T27] ? txFreelock+0x580/0x580 [ 286.674905][ T27] ? sched_dynamic_update+0x240/0x240 [ 286.687595][ T27] kthread+0x3f6/0x4f0 [ 286.691722][ T27] ? txFreelock+0x580/0x580 [ 286.696256][ T27] ? kthread_blkcg+0xd0/0xd0 [ 286.717576][ T27] ret_from_fork+0x1f/0x30 [ 286.722063][ T27] [ 286.729351][ T27] INFO: task jfsCommit:277 blocked for more than 143 seconds. executing program executing program executing program [ 286.736851][ T27] Not tainted 5.15.176-syzkaller #0 [ 286.767568][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.776288][ T27] task:jfsCommit state:D stack:27896 pid: 277 ppid: 2 flags:0x00004000 [ 286.827567][ T27] Call Trace: [ 286.830902][ T27] [ 286.838108][ T27] __schedule+0x12c4/0x45b0 [ 286.848039][ T27] ? release_firmware_map_entry+0x190/0x190 [ 286.853988][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 286.897643][ T27] ? print_irqtrace_events+0x210/0x210 [ 286.913697][ T27] ? _raw_spin_lock_irq+0xdb/0x110 [ 286.923843][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 286.929175][ T27] schedule+0x11b/0x1f0 [ 286.933361][ T27] schedule_preempt_disabled+0xf/0x20 [ 286.957630][ T27] rwsem_down_read_slowpath+0x605/0xb40 [ 286.963504][ T27] ? down_write_killable_nested+0x90/0x90 [ 286.969371][ T27] down_read_nested+0x9c/0x2f0 [ 286.984606][ T27] diUpdatePMap+0x96/0xd90 [ 286.989178][ T27] ? print_irqtrace_events+0x210/0x210 [ 287.005087][ T27] txUpdateMap+0x710/0x9e0 [ 287.009660][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 287.014886][ T27] ? txCommit+0x6ba0/0x6ba0 [ 287.037713][ T27] jfs_lazycommit+0x470/0xc30 [ 287.052870][ T27] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 287.058970][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 287.074650][ T27] ? txFreelock+0x580/0x580 [ 287.079332][ T27] ? sched_dynamic_update+0x240/0x240 [ 287.095190][ T27] kthread+0x3f6/0x4f0 [ 287.099449][ T27] ? txFreelock+0x580/0x580 [ 287.103981][ T27] ? kthread_blkcg+0xd0/0xd0 executing program [ 287.117625][ T27] ret_from_fork+0x1f/0x30 [ 287.132561][ T27] [ 287.139333][ T27] INFO: task syz-executor208:4172 blocked for more than 144 seconds. [ 287.169819][ T27] Not tainted 5.15.176-syzkaller #0 [ 287.175587][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.225323][ T27] task:syz-executor208 state:D stack:25472 pid: 4172 ppid: 4164 flags:0x00004006 [ 287.247699][ T27] Call Trace: [ 287.251023][ T27] [ 287.253978][ T27] __schedule+0x12c4/0x45b0 [ 287.268973][ T27] ? mark_lock+0x98/0x340 [ 287.273363][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 287.289811][ T27] ? release_firmware_map_entry+0x190/0x190 [ 287.295770][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 287.303570][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 287.317605][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 287.344180][ T27] schedule+0x11b/0x1f0 [ 287.348651][ T27] io_schedule+0x88/0x100 [ 287.353019][ T27] __lock_metapage+0x1ec/0x3c0 [ 287.377607][ T27] ? last_read_complete+0x1d0/0x1d0 [ 287.393306][ T27] ? sched_dynamic_update+0x240/0x240 [ 287.422380][ T27] ? do_read_cache_page+0xcb3/0x1040 [ 287.447658][ T27] __get_metapage+0x495/0x1070 [ 287.457681][ T27] dbAllocCtl+0xdb/0x9a0 [ 287.461986][ T27] dbAllocAG+0x28b/0x10b0 [ 287.487135][ T27] ? rwsem_write_trylock+0x166/0x210 [ 287.497379][ T27] ? clear_nonspinnable+0x60/0x60 [ 287.517822][ T27] ? dbAllocDmapLev+0x490/0x490 [ 287.522752][ T27] dbAlloc+0x654/0xc90 [ 287.526875][ T27] ? dbNextAG+0x630/0x630 [ 287.547589][ T27] ? rcu_lock_release+0x20/0x20 [ 287.553672][ T27] ? __mutex_lock_common+0x444/0x25a0 [ 287.559167][ T27] diAllocAG+0xa95/0x1e50 [ 287.563612][ T27] ? dbNextAG+0x8b/0x630 [ 287.567977][ T27] ? mutex_unlock+0x10/0x10 [ 287.572525][ T27] ? diNewExt+0x37e0/0x37e0 [ 287.577170][ T27] diAlloc+0x1ce/0x1630 [ 287.581411][ T27] ? new_inode+0x1ba/0x1d0 [ 287.585850][ T27] ialloc+0x8b/0x970 [ 287.589905][ T27] jfs_mkdir+0x1c1/0xbb0 [ 287.594178][ T27] ? jfs_symlink+0x10e0/0x10e0 [ 287.599048][ T27] ? make_kgid+0x6f0/0x6f0 [ 287.603578][ T27] ? apparmor_path_mkdir+0x204/0x2a0 [ 287.608970][ T27] ? generic_permission+0x21c/0x4f0 [ 287.614307][ T27] ? inode_permission+0xf7/0x450 [ 287.619434][ T27] ? bpf_lsm_inode_mkdir+0x5/0x10 [ 287.624654][ T27] ? security_inode_mkdir+0xb4/0x100 [ 287.630123][ T27] vfs_mkdir+0x3b6/0x590 [ 287.634486][ T27] do_mkdirat+0x260/0x520 [ 287.639036][ T27] ? vfs_mkdir+0x590/0x590 [ 287.643488][ T27] ? getname_flags+0x1ec/0x4e0 [ 287.648351][ T27] __x64_sys_mkdirat+0x85/0x90 [ 287.653329][ T27] do_syscall_64+0x3b/0xb0 [ 287.657827][ T27] ? clear_bhb_loop+0x15/0x70 [ 287.662530][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 287.668769][ T27] RIP: 0033:0x7f48ec232d09 [ 287.673204][ T27] RSP: 002b:00007ffe9da10c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 287.681823][ T27] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f48ec232d09 [ 287.689889][ T27] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 00000000ffffff9c executing program [ 287.698147][ T27] RBP: 00000000000f4240 R08: 000055559445f378 R09: 000055559445f378 [ 287.706153][ T27] R10: 000055559445f378 R11: 0000000000000246 R12: 0000000000000001 [ 287.714360][ T27] R13: 00007ffe9da10cc0 R14: 00007ffe9da10cac R15: 00007f48ec27b03b [ 287.722440][ T27] [ 287.725536][ T27] [ 287.725536][ T27] Showing all locks held in the system: [ 287.733432][ T27] 2 locks held by kworker/0:0/7: executing program [ 287.747795][ T27] #0: ffff888017472138 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 [ 287.767590][ T27] #1: ffffc90000cc7d20 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 [ 287.787594][ T27] 1 lock held by khungtaskd/27: [ 287.792493][ T27] #0: ffffffff8cb1fce0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 287.817607][ T27] 1 lock held by jfsCommit/277: [ 287.822522][ T27] #0: ffff88806e00a638 (&jfs_ip->rdwrlock/1){++++}-{3:3}, at: diUpdatePMap+0x96/0xd90 [ 287.847620][ T27] 2 locks held by getty/3925: [ 287.852344][ T27] #0: ffff88807f1c2098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 287.877651][ T27] #1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 287.897587][ T27] 6 locks held by syz-executor208/4172: [ 287.903188][ T27] #0: ffff8881495ce460 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 [ 287.927592][ T27] #1: ffff88806e00f480 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: filename_create+0x25c/0x530 [ 287.947592][ T27] #2: ffff88802b7d0920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diAlloc+0x1b2/0x1630 [ 287.967590][ T27] #3: ffff88802b7d0890 (&imap->im_freelock){+.+.}-{3:3}, at: diAllocAG+0x4af/0x1e50 [ 287.977242][ T27] #4: ffff88806e00a638 (&jfs_ip->rdwrlock/1){++++}-{3:3}, at: diAllocAG+0x861/0x1e50 [ 287.986973][ T27] #5: ffff88806e0093b8 (&jfs_ip->rdwrlock#2/2){+.+.}-{3:3}, at: dbAlloc+0x63d/0xc90 [ 288.007607][ T27] 2 locks held by syz-executor208/5449: [ 288.013196][ T27] #0: ffff88806e0133c0 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: lock_mount+0x62/0x2c0 [ 288.037574][ T27] #1: ffffffff8cb242a8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x280/0x740 [ 288.067607][ T27] 1 lock held by syz-executor208/5450: [ 288.073113][ T27] #0: ffff88806e0133c0 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: lock_mount+0x62/0x2c0 [ 288.091508][ T27] 2 locks held by syz-executor208/5451: [ 288.102783][ T27] [ 288.109857][ T27] ============================================= executing program executing program [ 288.109857][ T27] [ 288.137607][ T27] NMI backtrace for cpu 1 [ 288.141993][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.176-syzkaller #0 [ 288.150035][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 288.160111][ T27] Call Trace: [ 288.163412][ T27] [ 288.166355][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 288.171054][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 288.176710][ T27] ? panic+0x860/0x860 [ 288.180812][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 288.185950][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 288.190908][ T27] ? __wake_up_klogd+0xd5/0x100 [ 288.195789][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 288.201966][ T27] ? _printk+0xd1/0x120 [ 288.206153][ T27] ? panic+0x860/0x860 [ 288.210253][ T27] ? __wake_up_klogd+0xcc/0x100 [ 288.215138][ T27] ? panic+0x860/0x860 [ 288.219236][ T27] ? __rcu_read_unlock+0x92/0x100 [ 288.224286][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 288.230382][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 288.236392][ T27] watchdog+0xe72/0xeb0 [ 288.240585][ T27] kthread+0x3f6/0x4f0 [ 288.244712][ T27] ? hungtask_pm_notify+0x50/0x50 [ 288.249764][ T27] ? kthread_blkcg+0xd0/0xd0 [ 288.254463][ T27] ret_from_fork+0x1f/0x30 [ 288.258913][ T27] [ 288.262102][ T27] Sending NMI from CPU 1 to CPUs 0: [ 288.267323][ C0] NMI backtrace for cpu 0 [ 288.267334][ C0] CPU: 0 PID: 5451 Comm: syz-executor208 Not tainted 5.15.176-syzkaller #0 [ 288.267351][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 288.267360][ C0] RIP: 0010:unwind_next_frame+0x41b/0x1fa0 [ 288.267384][ C0] Code: 0f b6 04 10 84 c0 0f 85 c5 14 00 00 c6 03 01 49 c7 c6 a0 96 a8 8a 49 8d 6e 04 49 8d 5e 05 49 89 ec 49 c1 ec 03 41 0f b6 04 14 <84> c0 0f 85 33 14 00 00 48 89 d8 48 c1 e8 03 0f b6 04 10 84 c0 0f [ 288.267397][ C0] RSP: 0018:ffffc900049f7128 EFLAGS: 00000a03 [ 288.267412][ C0] RAX: 0000000000000000 RBX: ffffffff8e89e44d RCX: ffffffff8e1e4cd8 [ 288.267424][ C0] RDX: dffffc0000000000 RSI: ffffffff8e89e448 RDI: ffffffff8e1e4cd4 [ 288.267436][ C0] RBP: ffffffff8e89e44c R08: 0000000000000003 R09: ffffc900049f72d0 [ 288.267447][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1d13c89 [ 288.267458][ C0] R13: ffffffff81ad5878 R14: ffffffff8e89e448 R15: ffffc900049f71e0 [ 288.267471][ C0] FS: 000055559445e380(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 288.267485][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 288.267497][ C0] CR2: 00007f48e4562000 CR3: 000000002a02c000 CR4: 00000000003506f0 [ 288.267511][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 288.267524][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 288.267534][ C0] Call Trace: [ 288.267539][ C0] [ 288.267545][ C0] ? nmi_cpu_backtrace+0x39f/0x4a0 [ 288.267565][ C0] ? read_lock_is_recursive+0x10/0x10 [ 288.267586][ C0] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 288.267604][ C0] ? unknown_nmi_error+0xd0/0xd0 [ 288.267632][ C0] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 288.267652][ C0] ? nmi_handle+0xf7/0x370 [ 288.267672][ C0] ? unwind_next_frame+0x41b/0x1fa0 [ 288.267689][ C0] ? default_do_nmi+0x62/0x150 [ 288.267707][ C0] ? exc_nmi+0xa8/0x100 [ 288.267723][ C0] ? end_repeat_nmi+0x16/0x31 [ 288.267738][ C0] ? release_pages+0x1bb8/0x1f40 [ 288.267760][ C0] ? unwind_next_frame+0x41b/0x1fa0 [ 288.267779][ C0] ? unwind_next_frame+0x41b/0x1fa0 [ 288.267797][ C0] ? unwind_next_frame+0x41b/0x1fa0 [ 288.267815][ C0] [ 288.267819][ C0] [ 288.267827][ C0] ? release_pages+0x1bb9/0x1f40 [ 288.267846][ C0] ? stack_trace_save+0x1c0/0x1c0 [ 288.267864][ C0] arch_stack_walk+0x10d/0x140 [ 288.267884][ C0] ? release_pages+0x1bb9/0x1f40 [ 288.267904][ C0] stack_trace_save+0x113/0x1c0 [ 288.267922][ C0] ? stack_trace_snprint+0xe0/0xe0 [ 288.267945][ C0] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 288.267963][ C0] ? print_irqtrace_events+0x210/0x210 [ 288.267982][ C0] save_stack+0xf6/0x1e0 [ 288.267998][ C0] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 288.268017][ C0] ? lockdep_hardirqs_on+0x94/0x130 [ 288.268034][ C0] ? __reset_page_owner+0x180/0x180 [ 288.268049][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 288.268067][ C0] ? free_unref_page_prepare+0xc34/0xcf0 [ 288.268084][ C0] ? free_unref_page_list+0x1f7/0x8e0 [ 288.268099][ C0] ? release_pages+0x1bb9/0x1f40 [ 288.268120][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 288.268136][ C0] ? sched_clock_cpu+0x15/0x3b0 [ 288.268154][ C0] ? debug_check_no_obj_freed+0x455/0x4e0 [ 288.268176][ C0] __reset_page_owner+0x52/0x180 [ 288.268195][ C0] free_unref_page_prepare+0xc34/0xcf0 [ 288.268216][ C0] free_unref_page_list+0x1f7/0x8e0 [ 288.268232][ C0] ? uncharge_page+0x1f7/0x400 [ 288.268252][ C0] ? free_unref_page_commit+0x500/0x500 [ 288.268267][ C0] ? __mem_cgroup_uncharge_list+0xf8/0x150 [ 288.268285][ C0] ? uncharge_batch+0x490/0x490 [ 288.268304][ C0] ? _raw_spin_unlock+0x40/0x40 [ 288.268324][ C0] ? __mod_zone_page_state+0x8a/0xc0 [ 288.268344][ C0] release_pages+0x1bb9/0x1f40 [ 288.268367][ C0] ? lru_cache_disable+0x30/0x30 [ 288.268385][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 288.268402][ C0] ? lockdep_hardirqs_on+0x94/0x130 [ 288.268424][ C0] __pagevec_release+0x80/0xf0 [ 288.268442][ C0] shmem_undo_range+0x67a/0x1b50 [ 288.268465][ C0] ? shmem_truncate_range+0xa0/0xa0 [ 288.268495][ C0] ? __lock_acquire+0x1ff0/0x1ff0 [ 288.268509][ C0] ? do_raw_spin_lock+0x14a/0x370 [ 288.268532][ C0] shmem_evict_inode+0x21b/0xa00 [ 288.268549][ C0] ? _raw_spin_unlock+0x24/0x40 [ 288.268566][ C0] ? inode_wait_for_writeback+0x21f/0x280 [ 288.268586][ C0] ? shmem_free_in_core_inode+0xb0/0xb0 [ 288.268605][ C0] ? bit_waitqueue+0x30/0x30 [ 288.268619][ C0] ? do_raw_spin_unlock+0x137/0x8b0 [ 288.268638][ C0] ? shmem_free_in_core_inode+0xb0/0xb0 [ 288.268656][ C0] evict+0x529/0x930 [ 288.268676][ C0] ? mode_strip_sgid+0x210/0x210 [ 288.268695][ C0] ? _raw_spin_unlock+0x24/0x40 [ 288.268711][ C0] ? iput+0x6f5/0x8b0 [ 288.268729][ C0] __dentry_kill+0x436/0x650 [ 288.268750][ C0] dentry_kill+0xbb/0x290 [ 288.268768][ C0] dput+0xd8/0x1a0 [ 288.268785][ C0] __fput+0x636/0x8e0 [ 288.268809][ C0] task_work_run+0x129/0x1a0 [ 288.268830][ C0] exit_to_user_mode_loop+0x106/0x130 [ 288.268847][ C0] exit_to_user_mode_prepare+0xb1/0x140 [ 288.268864][ C0] syscall_exit_to_user_mode+0x5d/0x240 [ 288.268884][ C0] do_syscall_64+0x47/0xb0 [ 288.268898][ C0] ? clear_bhb_loop+0x15/0x70 [ 288.268913][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 288.268939][ C0] RIP: 0033:0x7f48ec231f60 [ 288.268952][ C0] Code: ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 80 3d 41 f1 07 00 00 74 17 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c [ 288.268965][ C0] RSP: 002b:00007ffe9da10af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 288.268981][ C0] RAX: 0000000000000000 RBX: 00007ffe9da10b10 RCX: 00007f48ec231f60 [ 288.268991][ C0] RDX: 0000000000000010 RSI: 0000000000004c00 RDI: 0000000000000003 [ 288.269001][ C0] RBP: 0000000000000004 R08: 0000000000005f14 R09: 0000000000005f10 [ 288.269010][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000001c802 [ 288.269020][ C0] R13: 00007ffe9da10b50 R14: 0000000000000003 R15: 000055559445e338 [ 288.269038][ C0] [ 288.269045][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.721 msecs [ 288.487607][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 288.875806][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.176-syzkaller #0 [ 288.883803][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 288.893888][ T27] Call Trace: [ 288.897211][ T27] [ 288.900157][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 288.904868][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 288.910520][ T27] ? panic+0x860/0x860 [ 288.914623][ T27] panic+0x318/0x860 [ 288.918542][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 288.924193][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 288.930355][ T27] ? fb_is_primary_device+0xd0/0xd0 [ 288.935550][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 288.941646][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 288.947801][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 288.953965][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 288.960120][ T27] watchdog+0xeb0/0xeb0 [ 288.964288][ T27] kthread+0x3f6/0x4f0 [ 288.968449][ T27] ? hungtask_pm_notify+0x50/0x50 [ 288.973472][ T27] ? kthread_blkcg+0xd0/0xd0 [ 288.978058][ T27] ret_from_fork+0x1f/0x30 [ 288.982653][ T27] [ 288.985964][ T27] Kernel Offset: disabled [ 288.990288][ T27] Rebooting in 86400 seconds..