Warning: Permanently added '10.128.0.92' (ED25519) to the list of known hosts.
executing program
[ 50.801498][ T4164] loop0: detected capacity change from 0 to 32768
[ 50.886272][ T4164] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor235 (4164)
[ 50.910259][ T4164] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm
[ 50.925334][ T4164] BTRFS info (device loop0): using free space tree
[ 50.931876][ T4164] BTRFS info (device loop0): has skinny extents
[ 50.958781][ T4164] BTRFS info (device loop0): enabling ssd optimizations
[ 76.415180][ T1324] cfg80211: failed to load regulatory.db
[ 286.334919][ T27] INFO: task syz-executor235:4164 blocked for more than 143 seconds.
[ 286.343170][ T27] Not tainted 5.15.173-syzkaller #0
[ 286.348929][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.357638][ T27] task:syz-executor235 state:D stack:22416 pid: 4164 ppid: 4163 flags:0x00004006
[ 286.366883][ T27] Call Trace:
[ 286.370158][ T27]
[ 286.373075][ T27] __schedule+0x12c4/0x45b0
[ 286.377642][ T27] ? release_firmware_map_entry+0x190/0x190
[ 286.383564][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 286.389444][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 286.394666][ T27] schedule+0x11b/0x1f0
[ 286.398816][ T27] wait_extent_bit+0x3f9/0x530
[ 286.403605][ T27] ? lock_extent_bits+0x1e0/0x1e0
[ 286.408626][ T27] ? init_wait_entry+0xd0/0xd0
[ 286.413376][ T27] lock_extent_bits+0x10d/0x1e0
[ 286.418249][ T27] ? clear_record_extent_bits+0x70/0x70
[ 286.423826][ T27] ? wait_on_page_writeback+0x161/0x1a0
[ 286.429376][ T27] btrfs_page_mkwrite+0x5f2/0xd60
[ 286.434432][ T27] ? btrfs_submit_direct+0x1160/0x1160
[ 286.439892][ T27] ? __lock_acquire+0x1ff0/0x1ff0
[ 286.444956][ T27] ? do_raw_spin_lock+0x14a/0x370
[ 286.450001][ T27] do_page_mkwrite+0x1a9/0x440
[ 286.454829][ T27] wp_page_shared+0x179/0x690
[ 286.459502][ T27] handle_mm_fault+0x2a3d/0x5960
[ 286.464482][ T27] ? numa_migrate_prep+0x1a0/0x1a0
[ 286.469602][ T27] ? vmacache_find+0x23c/0x590
[ 286.474395][ T27] exc_page_fault+0x271/0x700
[ 286.479076][ T27] ? __might_fault+0xb8/0x110
[ 286.483777][ T27] asm_exc_page_fault+0x22/0x30
[ 286.488624][ T27] RIP: 0010:copy_user_generic_unrolled+0x89/0xc0
[ 286.494972][ T27] Code: 38 4c 89 47 20 4c 89 4f 28 4c 89 57 30 4c 89 5f 38 48 8d 76 40 48 8d 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 <4c> 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a
[ 286.514775][ T27] RSP: 0018:ffffc90002e4f668 EFLAGS: 00050202
[ 286.520830][ T27] RAX: ffffffff8413a001 RBX: 00000000200003d8 RCX: 0000000000000007
[ 286.528819][ T27] RDX: 0000000000000000 RSI: ffffc90002e4f720 RDI: 00000000200003a0
[ 286.536812][ T27] RBP: ffffc90002e4f7d0 R08: 0000000000000000 R09: fffff520005c9eeb
[ 286.544802][ T27] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000038
[ 286.552767][ T27] R13: 00007ffffffff000 R14: ffffc90002e4f720 R15: 00000000200003a0
[ 286.560783][ T27] ? _copy_to_user+0x11/0x130
[ 286.565489][ T27] _copy_to_user+0xef/0x130
[ 286.569976][ T27] fiemap_fill_next_extent+0x231/0x410
[ 286.575477][ T27] ? free_extent_map+0x133/0x1f0
[ 286.580413][ T27] ? vfs_ioctl+0xc0/0xc0
[ 286.584684][ T27] ? btrfs_release_path+0x243/0x260
[ 286.589881][ T27] extent_fiemap+0x1218/0x1650
[ 286.594672][ T27] ? extent_fiemap+0x1131/0x1650
[ 286.599611][ T27] ? try_release_extent_mapping+0x550/0x550
[ 286.605533][ T27] ? __might_fault+0xb8/0x110
[ 286.610207][ T27] ? fiemap_prep+0x1b0/0x240
[ 286.614884][ T27] btrfs_fiemap+0x121/0x160
[ 286.619392][ T27] ? btrfs_getattr+0x4a0/0x4a0
[ 286.624182][ T27] ? __might_fault+0xb4/0x110
[ 286.628858][ T27] ? btrfs_getattr+0x4a0/0x4a0
[ 286.633651][ T27] do_vfs_ioctl+0x1934/0x2b70
[ 286.638328][ T27] ? __x64_compat_sys_ioctl+0x80/0x80
[ 286.643774][ T27] ? __lock_acquire+0x1ff0/0x1ff0
[ 286.648794][ T27] ? slab_free_freelist_hook+0xdd/0x160
[ 286.654361][ T27] ? tomoyo_path_number_perm+0x648/0x810
[ 286.659994][ T27] ? kfree+0xf1/0x270
[ 286.664020][ T27] ? tomoyo_path_number_perm+0x6ab/0x810
[ 286.669656][ T27] ? tomoyo_check_path_acl+0x1c0/0x1c0
[ 286.675166][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 286.681138][ T27] ? print_irqtrace_events+0x210/0x210
[ 286.686614][ T27] ? vtime_user_exit+0x2d1/0x400
[ 286.691549][ T27] ? bpf_lsm_file_ioctl+0x5/0x10
[ 286.696512][ T27] ? security_file_ioctl+0x7d/0xa0
[ 286.701623][ T27] __se_sys_ioctl+0x81/0x160
[ 286.706237][ T27] do_syscall_64+0x3b/0xb0
[ 286.710652][ T27] ? clear_bhb_loop+0x15/0x70
[ 286.715350][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.721238][ T27] RIP: 0033:0x7fb3e02a0b19
[ 286.725678][ T27] RSP: 002b:00007ffc689bf418 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 286.734118][ T27] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb3e02a0b19
[ 286.742074][ T27] RDX: 0000000020000380 RSI: 00000000c020660b RDI: 0000000000000004
[ 286.750082][ T27] RBP: 00007fb3e03195f0 R08: 0000000000000000 R09: 0000000000000000
[ 286.758076][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc689bf450
[ 286.766069][ T27] R13: 00007ffc689bf678 R14: 431bde82d7b634db R15: 00007fb3e02e903b
[ 286.774079][ T27]
[ 286.777105][ T27]
[ 286.777105][ T27] Showing all locks held in the system:
[ 286.784852][ T27] 1 lock held by khungtaskd/27:
[ 286.789690][ T27] #0: ffffffff8cb1fc60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 286.799063][ T27] 2 locks held by getty/3927:
[ 286.803752][ T27] #0: ffff88814d421098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 286.813521][ T27] #1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 286.823643][ T27] 3 locks held by syz-executor235/4164:
[ 286.829166][ T27] #0: ffff88801f0ef128 (&mm->mmap_lock){++++}-{3:3}, at: exc_page_fault+0x181/0x700
[ 286.838656][ T27] #1: ffff88802a3ea558 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x1a9/0x440
[ 286.848168][ T27] #2: ffff88806fdb0e68 (&ei->i_mmap_lock){.+.+}-{3:3}, at: btrfs_page_mkwrite+0x4a2/0xd60
[ 286.858187][ T27]
[ 286.860509][ T27] =============================================
[ 286.860509][ T27]
[ 286.868932][ T27] NMI backtrace for cpu 1
[ 286.873264][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.173-syzkaller #0
[ 286.881231][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 286.891276][ T27] Call Trace:
[ 286.894540][ T27]
[ 286.897471][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 286.902132][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 286.907742][ T27] ? panic+0x860/0x860
[ 286.911784][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 286.916874][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 286.921786][ T27] ? __wake_up_klogd+0xd5/0x100
[ 286.926612][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 286.932739][ T27] ? _printk+0xd1/0x120
[ 286.936869][ T27] ? panic+0x860/0x860
[ 286.940910][ T27] ? __wake_up_klogd+0xcc/0x100
[ 286.945734][ T27] ? panic+0x860/0x860
[ 286.949776][ T27] ? wq_watchdog_touch+0xeb/0x170
[ 286.954789][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.960829][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 286.966784][ T27] watchdog+0xe72/0xeb0
[ 286.970921][ T27] kthread+0x3f6/0x4f0
[ 286.974962][ T27] ? hungtask_pm_notify+0x50/0x50
[ 286.980051][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.984629][ T27] ret_from_fork+0x1f/0x30
[ 286.989026][ T27]
[ 286.992091][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 286.997347][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340
[ 286.998337][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 287.013793][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.173-syzkaller #0
[ 287.021746][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 287.031775][ T27] Call Trace:
[ 287.035030][ T27]
[ 287.037935][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 287.042592][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 287.048195][ T27] ? panic+0x860/0x860
[ 287.052249][ T27] panic+0x318/0x860
[ 287.056118][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 287.061726][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 287.067857][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 287.073030][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 287.079072][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 287.085198][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 287.091341][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 287.097466][ T27] watchdog+0xeb0/0xeb0
[ 287.101604][ T27] kthread+0x3f6/0x4f0
[ 287.105646][ T27] ? hungtask_pm_notify+0x50/0x50
[ 287.110647][ T27] ? kthread_blkcg+0xd0/0xd0
[ 287.115209][ T27] ret_from_fork+0x1f/0x30
[ 287.119618][ T27]
[ 287.122826][ T27] Kernel Offset: disabled
[ 287.127138][ T27] Rebooting in 86400 seconds..