[ 81.483237][ T21] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.10.7' (ED25519) to the list of known hosts.
executing program
[ 86.291593][ T4166] loop0: detected capacity change from 0 to 32768
[ 86.384253][ T4166] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor268 (4166)
[ 86.413217][ T4166] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm
[ 86.423068][ T4166] BTRFS info (device loop0): using free space tree
[ 86.429601][ T4166] BTRFS info (device loop0): has skinny extents
[ 86.457954][ T4166] BTRFS info (device loop0): enabling ssd optimizations
[ 286.282832][ T27] INFO: task syz-executor268:4166 blocked for more than 143 seconds.
[ 286.291424][ T27] Not tainted 5.15.173-syzkaller #0
[ 286.297172][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.305924][ T27] task:syz-executor268 state:D stack:22416 pid: 4166 ppid: 4165 flags:0x00004006
[ 286.315555][ T27] Call Trace:
[ 286.318872][ T27]
[ 286.321980][ T27] __schedule+0x12c4/0x45b0
[ 286.326562][ T27] ? release_firmware_map_entry+0x190/0x190
[ 286.332530][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 286.338475][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 286.343753][ T27] schedule+0x11b/0x1f0
[ 286.347931][ T27] wait_extent_bit+0x3f9/0x530
[ 286.352773][ T27] ? lock_extent_bits+0x1e0/0x1e0
[ 286.357821][ T27] ? init_wait_entry+0xd0/0xd0
[ 286.362653][ T27] lock_extent_bits+0x10d/0x1e0
[ 286.367541][ T27] ? clear_record_extent_bits+0x70/0x70
[ 286.373142][ T27] ? wait_on_page_writeback+0x161/0x1a0
[ 286.378751][ T27] btrfs_page_mkwrite+0x5f2/0xd60
[ 286.383880][ T27] ? btrfs_submit_direct+0x1160/0x1160
[ 286.389382][ T27] ? __lock_acquire+0x1ff0/0x1ff0
[ 286.394552][ T27] ? do_raw_spin_lock+0x14a/0x370
[ 286.399600][ T27] do_page_mkwrite+0x1a9/0x440
[ 286.404441][ T27] wp_page_shared+0x179/0x690
[ 286.409145][ T27] handle_mm_fault+0x2a3d/0x5960
[ 286.414164][ T27] ? numa_migrate_prep+0x1a0/0x1a0
[ 286.419412][ T27] ? vmacache_find+0x23c/0x590
[ 286.424340][ T27] exc_page_fault+0x271/0x700
[ 286.429155][ T27] ? __might_fault+0xb8/0x110
[ 286.434075][ T27] asm_exc_page_fault+0x22/0x30
[ 286.438949][ T27] RIP: 0010:copy_user_generic_unrolled+0x89/0xc0
[ 286.445342][ 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
[ 286.465010][ T27] RSP: 0018:ffffc90002e2f668 EFLAGS: 00050202
[ 286.471081][ T27] RAX: ffffffff8413a001 RBX: 00000000200003d8 RCX: 0000000000000007
[ 286.479098][ T27] RDX: 0000000000000000 RSI: ffffc90002e2f720 RDI: 00000000200003a0
[ 286.487132][ T27] RBP: ffffc90002e2f7d0 R08: 0000000000000000 R09: fffff520005c5eeb
[ 286.495382][ T27] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000038
[ 286.503855][ T27] R13: 00007ffffffff000 R14: ffffc90002e2f720 R15: 00000000200003a0
[ 286.514052][ T27] ? _copy_to_user+0x11/0x130
[ 286.518792][ T27] _copy_to_user+0xef/0x130
[ 286.523496][ T27] fiemap_fill_next_extent+0x231/0x410
[ 286.529282][ T27] ? free_extent_map+0x133/0x1f0
[ 286.534478][ T27] ? vfs_ioctl+0xc0/0xc0
[ 286.538756][ T27] ? btrfs_release_path+0x243/0x260
[ 286.544015][ T27] extent_fiemap+0x1218/0x1650
[ 286.548822][ T27] ? extent_fiemap+0x1131/0x1650
[ 286.553842][ T27] ? try_release_extent_mapping+0x550/0x550
[ 286.559760][ T27] ? __might_fault+0xb8/0x110
[ 286.564492][ T27] ? fiemap_prep+0x1b0/0x240
[ 286.569103][ T27] btrfs_fiemap+0x121/0x160
[ 286.573666][ T27] ? btrfs_getattr+0x4a0/0x4a0
[ 286.578456][ T27] ? __might_fault+0xb4/0x110
[ 286.583193][ T27] ? btrfs_getattr+0x4a0/0x4a0
[ 286.588100][ T27] do_vfs_ioctl+0x1934/0x2b70
[ 286.592878][ T27] ? __x64_compat_sys_ioctl+0x80/0x80
[ 286.598277][ T27] ? __lock_acquire+0x1ff0/0x1ff0
[ 286.603355][ T27] ? slab_free_freelist_hook+0xdd/0x160
[ 286.609069][ T27] ? tomoyo_path_number_perm+0x648/0x810
[ 286.614770][ T27] ? kfree+0xf1/0x270
[ 286.619348][ T27] ? tomoyo_path_number_perm+0x6ab/0x810
[ 286.625178][ T27] ? tomoyo_check_path_acl+0x1c0/0x1c0
[ 286.630690][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 286.636816][ T27] ? print_irqtrace_events+0x210/0x210
[ 286.642660][ T27] ? vtime_user_exit+0x2d1/0x400
[ 286.648688][ T27] ? bpf_lsm_file_ioctl+0x5/0x10
[ 286.654259][ T27] ? security_file_ioctl+0x7d/0xa0
[ 286.659640][ T27] __se_sys_ioctl+0x81/0x160
[ 286.664688][ T27] do_syscall_64+0x3b/0xb0
[ 286.669515][ T27] ? clear_bhb_loop+0x15/0x70
[ 286.675325][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.682112][ T27] RIP: 0033:0x7fd5dde35b19
[ 286.688668][ T27] RSP: 002b:00007fff993a3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 286.698611][ T27] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd5dde35b19
[ 286.707320][ T27] RDX: 0000000020000380 RSI: 00000000c020660b RDI: 0000000000000004
[ 286.717746][ T27] RBP: 00007fd5ddeae5f0 R08: 0000000000000000 R09: 0000000000000000
[ 286.728840][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff993a31c0
[ 286.738827][ T27] R13: 00007fff993a33e8 R14: 431bde82d7b634db R15: 00007fd5dde7e03b
[ 286.746983][ T27]
[ 286.750034][ T27]
[ 286.750034][ T27] Showing all locks held in the system:
[ 286.757857][ T27] 1 lock held by khungtaskd/27:
[ 286.762870][ T27] #0: ffffffff8cb1fc60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 286.772379][ T27] 2 locks held by getty/3927:
[ 286.777102][ T27] #0: ffff88802c7eb098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 286.787353][ T27] #1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 286.797548][ T27] 3 locks held by syz-executor268/4166:
[ 286.803143][ T27] #0: ffff88801f0b5528 (&mm->mmap_lock){++++}-{3:3}, at: exc_page_fault+0x181/0x700
[ 286.813554][ T27] #1: ffff88802614a558 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x1a9/0x440
[ 286.823432][ T27] #2: ffff88806f0c1838 (&ei->i_mmap_lock){.+.+}-{3:3}, at: btrfs_page_mkwrite+0x4a2/0xd60
[ 286.833523][ T27]
[ 286.835844][ T27] =============================================
[ 286.835844][ T27]
[ 286.844297][ T27] NMI backtrace for cpu 0
[ 286.848642][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.173-syzkaller #0
[ 286.856636][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 286.866680][ T27] Call Trace:
[ 286.870062][ T27]
[ 286.873442][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 286.878147][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 286.883879][ T27] ? panic+0x860/0x860
[ 286.888394][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 286.893514][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 286.898589][ T27] ? __wake_up_klogd+0xd5/0x100
[ 286.903551][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 286.909839][ T27] ? _printk+0xd1/0x120
[ 286.913999][ T27] ? panic+0x860/0x860
[ 286.918187][ T27] ? __wake_up_klogd+0xcc/0x100
[ 286.923231][ T27] ? panic+0x860/0x860
[ 286.927341][ T27] ? __rcu_read_unlock+0x92/0x100
[ 286.932537][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.938727][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 286.944823][ T27] watchdog+0xe72/0xeb0
[ 286.949072][ T27] kthread+0x3f6/0x4f0
[ 286.953133][ T27] ? hungtask_pm_notify+0x50/0x50
[ 286.958148][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.963226][ T27] ret_from_fork+0x1f/0x30
[ 286.967675][ T27]
[ 286.970883][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 286.976193][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340
[ 286.981877][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 286.993413][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.173-syzkaller #0
[ 287.001391][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 287.011436][ T27] Call Trace:
[ 287.014705][ T27]
[ 287.017680][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 287.022371][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 287.028039][ T27] ? panic+0x860/0x860
[ 287.032119][ T27] panic+0x318/0x860
[ 287.036002][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 287.041632][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 287.047786][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 287.052977][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 287.059033][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 287.065296][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 287.071445][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 287.077592][ T27] watchdog+0xeb0/0xeb0
[ 287.081770][ T27] kthread+0x3f6/0x4f0
[ 287.085843][ T27] ? hungtask_pm_notify+0x50/0x50
[ 287.090874][ T27] ? kthread_blkcg+0xd0/0xd0
[ 287.095466][ T27] ret_from_fork+0x1f/0x30
[ 287.099903][ T27]
[ 287.103229][ T27] Kernel Offset: disabled
[ 287.107564][ T27] Rebooting in 86400 seconds..