Warning: Permanently added '10.128.1.93' (ED25519) to the list of known hosts.
executing program
[ 60.574140][ T4168] loop0: detected capacity change from 0 to 32768
[ 60.674381][ T4168] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor255 (4168)
[ 60.702263][ T4168] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm
[ 60.712026][ T4168] BTRFS info (device loop0): using free space tree
[ 60.718536][ T4168] BTRFS info (device loop0): has skinny extents
[ 60.744762][ T4168] BTRFS info (device loop0): enabling ssd optimizations
[ 76.313349][ T13] cfg80211: failed to load regulatory.db
[ 286.232950][ T27] INFO: task syz-executor255:4168 blocked for more than 143 seconds.
[ 286.241203][ T27] Not tainted 5.15.173-syzkaller #0
[ 286.246996][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.255717][ T27] task:syz-executor255 state:D stack:22416 pid: 4168 ppid: 4167 flags:0x00004006
[ 286.265005][ T27] Call Trace:
[ 286.268304][ T27]
[ 286.271223][ T27] __schedule+0x12c4/0x45b0
[ 286.275844][ T27] ? release_firmware_map_entry+0x190/0x190
[ 286.281766][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 286.287676][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 286.292920][ T27] schedule+0x11b/0x1f0
[ 286.297071][ T27] wait_extent_bit+0x3f9/0x530
[ 286.301885][ T27] ? lock_extent_bits+0x1e0/0x1e0
[ 286.306933][ T27] ? init_wait_entry+0xd0/0xd0
[ 286.311758][ T27] lock_extent_bits+0x10d/0x1e0
[ 286.316606][ T27] ? clear_record_extent_bits+0x70/0x70
[ 286.322262][ T27] ? wait_on_page_writeback+0x161/0x1a0
[ 286.327806][ T27] btrfs_page_mkwrite+0x5f2/0xd60
[ 286.332880][ T27] ? btrfs_submit_direct+0x1160/0x1160
[ 286.338360][ T27] ? __lock_acquire+0x1ff0/0x1ff0
[ 286.343408][ T27] ? do_raw_spin_lock+0x14a/0x370
[ 286.348435][ T27] do_page_mkwrite+0x1a9/0x440
[ 286.353255][ T27] wp_page_shared+0x179/0x690
[ 286.357937][ T27] handle_mm_fault+0x2a3d/0x5960
[ 286.362923][ T27] ? numa_migrate_prep+0x1a0/0x1a0
[ 286.368044][ T27] ? vmacache_find+0x23c/0x590
[ 286.372852][ T27] exc_page_fault+0x271/0x700
[ 286.377590][ T27] ? __might_fault+0xb8/0x110
[ 286.382300][ T27] asm_exc_page_fault+0x22/0x30
[ 286.387155][ T27] RIP: 0010:copy_user_generic_unrolled+0x89/0xc0
[ 286.393550][ 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
[ 286.413213][ T27] RSP: 0018:ffffc900011df668 EFLAGS: 00050202
[ 286.419279][ T27] RAX: ffffffff8413a001 RBX: 00000000200003d8 RCX: 0000000000000007
[ 286.427295][ T27] RDX: 0000000000000000 RSI: ffffc900011df720 RDI: 00000000200003a0
[ 286.435313][ T27] RBP: ffffc900011df7d0 R08: 0000000000000000 R09: fffff5200023beeb
[ 286.443313][ T27] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000038
[ 286.451288][ T27] R13: 00007ffffffff000 R14: ffffc900011df720 R15: 00000000200003a0
[ 286.459313][ T27] ? _copy_to_user+0x11/0x130
[ 286.464024][ T27] _copy_to_user+0xef/0x130
[ 286.468600][ T27] fiemap_fill_next_extent+0x231/0x410
[ 286.474111][ T27] ? free_extent_map+0x133/0x1f0
[ 286.479046][ T27] ? vfs_ioctl+0xc0/0xc0
[ 286.483379][ T27] ? btrfs_release_path+0x243/0x260
[ 286.488604][ T27] extent_fiemap+0x1218/0x1650
[ 286.493437][ T27] ? extent_fiemap+0x1131/0x1650
[ 286.498382][ T27] ? try_release_extent_mapping+0x550/0x550
[ 286.504305][ T27] ? __might_fault+0xb8/0x110
[ 286.508983][ T27] ? fiemap_prep+0x1b0/0x240
[ 286.513618][ T27] btrfs_fiemap+0x121/0x160
[ 286.518143][ T27] ? btrfs_getattr+0x4a0/0x4a0
[ 286.522931][ T27] ? __might_fault+0xb4/0x110
[ 286.527619][ T27] ? btrfs_getattr+0x4a0/0x4a0
[ 286.532425][ T27] do_vfs_ioctl+0x1934/0x2b70
[ 286.537107][ T27] ? __x64_compat_sys_ioctl+0x80/0x80
[ 286.542497][ T27] ? __lock_acquire+0x1ff0/0x1ff0
[ 286.547520][ T27] ? slab_free_freelist_hook+0xdd/0x160
[ 286.553194][ T27] ? tomoyo_path_number_perm+0x648/0x810
[ 286.558829][ T27] ? kfree+0xf1/0x270
[ 286.562834][ T27] ? tomoyo_path_number_perm+0x6ab/0x810
[ 286.568473][ T27] ? tomoyo_check_path_acl+0x1c0/0x1c0
[ 286.573998][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 286.579978][ T27] ? print_irqtrace_events+0x210/0x210
[ 286.585457][ T27] ? vtime_user_exit+0x2d1/0x400
[ 286.590455][ T27] ? bpf_lsm_file_ioctl+0x5/0x10
[ 286.595454][ T27] ? security_file_ioctl+0x7d/0xa0
[ 286.600570][ T27] __se_sys_ioctl+0x81/0x160
[ 286.605192][ T27] do_syscall_64+0x3b/0xb0
[ 286.609632][ T27] ? clear_bhb_loop+0x15/0x70
[ 286.614356][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.620254][ T27] RIP: 0033:0x7f078826eb19
[ 286.624699][ T27] RSP: 002b:00007ffc0d351b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 286.633152][ T27] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f078826eb19
[ 286.641108][ T27] RDX: 0000000020000380 RSI: 00000000c020660b RDI: 0000000000000004
[ 286.649096][ T27] RBP: 00007f07882e75f0 R08: 0000000000000000 R09: 0000000000000000
[ 286.657135][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc0d351b80
[ 286.665129][ T27] R13: 00007ffc0d351da8 R14: 431bde82d7b634db R15: 00007f07882b703b
[ 286.673184][ T27]
[ 286.676208][ T27]
[ 286.676208][ T27] Showing all locks held in the system:
[ 286.683954][ T27] 1 lock held by khungtaskd/27:
[ 286.688793][ T27] #0: ffffffff8cb1fc60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 286.698179][ T27] 2 locks held by getty/3937:
[ 286.702863][ T27] #0: ffff88814c4ee098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 286.712692][ T27] #1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 286.722846][ T27] 3 locks held by syz-executor255/4168:
[ 286.728372][ T27] #0: ffff88801f02ab28 (&mm->mmap_lock){++++}-{3:3}, at: exc_page_fault+0x181/0x700
[ 286.737878][ T27] #1: ffff888077c04558 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x1a9/0x440
[ 286.747411][ T27] #2: ffff8880756b8e68 (&ei->i_mmap_lock){.+.+}-{3:3}, at: btrfs_page_mkwrite+0x4a2/0xd60
[ 286.757491][ T27]
[ 286.759807][ T27] =============================================
[ 286.759807][ T27]
[ 286.768265][ T27] NMI backtrace for cpu 1
[ 286.772590][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.173-syzkaller #0
[ 286.780547][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 286.790580][ T27] Call Trace:
[ 286.793840][ T27]
[ 286.796751][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 286.801459][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 286.807066][ T27] ? panic+0x860/0x860
[ 286.811129][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 286.816216][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 286.821133][ T27] ? __wake_up_klogd+0xd5/0x100
[ 286.825960][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 286.832089][ T27] ? _printk+0xd1/0x120
[ 286.836224][ T27] ? panic+0x860/0x860
[ 286.840266][ T27] ? __wake_up_klogd+0xcc/0x100
[ 286.845093][ T27] ? panic+0x860/0x860
[ 286.849143][ T27] ? __rcu_read_unlock+0x92/0x100
[ 286.854143][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.860186][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 286.866144][ T27] watchdog+0xe72/0xeb0
[ 286.870280][ T27] kthread+0x3f6/0x4f0
[ 286.874322][ T27] ? hungtask_pm_notify+0x50/0x50
[ 286.879322][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.883884][ T27] ret_from_fork+0x1f/0x30
[ 286.888281][ T27]
[ 286.891350][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 286.896618][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340
[ 286.897607][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 286.912185][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.173-syzkaller #0
[ 286.920135][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 286.930165][ T27] Call Trace:
[ 286.933420][ T27]
[ 286.936326][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 286.940994][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 286.946601][ T27] ? panic+0x860/0x860
[ 286.950646][ T27] panic+0x318/0x860
[ 286.954534][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 286.960677][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 286.965847][ T27] ? panic+0x860/0x860
[ 286.969895][ T27] ? irq_work_queue+0xcd/0x150
[ 286.974630][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.980668][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.986718][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.992754][ T27] ? nmi_trigger_cpumask_backtrace+0x22a/0x2a0
[ 286.998896][ T27] watchdog+0xeb0/0xeb0
[ 287.003034][ T27] kthread+0x3f6/0x4f0
[ 287.007092][ T27] ? hungtask_pm_notify+0x50/0x50
[ 287.012090][ T27] ? kthread_blkcg+0xd0/0xd0
[ 287.016657][ T27] ret_from_fork+0x1f/0x30
[ 287.021052][ T27]
[ 287.024316][ T27] Kernel Offset: disabled
[ 287.028630][ T27] Rebooting in 86400 seconds..