Warning: Permanently added '10.128.0.201' (ED25519) to the list of known hosts.
executing program
[ 164.462503][ T5646] loop0: detected capacity change from 0 to 32768
[ 164.489098][ T5646] gfs2: fsid=__&+[$!: Trying to join cluster "lock_nolock", "__&+[$!"
[ 164.503535][ T5646] gfs2: fsid=__&+[$!: Now mounting FS (format 1801)...
[ 164.540284][ T5646] gfs2: fsid=__&+[$!.0: journal 0 mapped with 16 extents in 0ms
[ 164.550412][ T29] gfs2: fsid=__&+[$!.0: jid=0, already locked for use
[ 164.557784][ T29] gfs2: fsid=__&+[$!.0: jid=0: Looking at journal...
[ 164.638100][ T29] gfs2: fsid=__&+[$!.0: jid=0: Journal head lookup took 80ms
[ 164.648268][ T29] gfs2: fsid=__&+[$!.0: jid=0: Done
[ 164.654252][ T5646] gfs2: fsid=__&+[$!.0: first mount done, others may mount
[ 429.111533][ T31] INFO: task syz-executor275:5645 blocked for more than 143 seconds.
[ 429.120246][ T31] Not tainted syzkaller #0
[ 429.125325][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 429.134061][ T31] task:syz-executor275 state:D stack:25928 pid:5645 tgid:5645 ppid:5644 task_flags:0x400100 flags:0x00080000
[ 429.146112][ T31] Call Trace:
[ 429.149402][ T31]
[ 429.152373][ T31] __schedule+0x10e9/0x6820
[ 429.156944][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.162664][ T31] ? __pfx___schedule+0x10/0x10
[ 429.167545][ T31] ? find_held_lock+0x2b/0x80
[ 429.172292][ T31] ? schedule+0x2bf/0x390
[ 429.176662][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.182389][ T31] schedule+0xdd/0x390
[ 429.186485][ T31] bit_wait+0xd/0xe0
[ 429.190391][ T31] __wait_on_bit+0x65/0x180
[ 429.195002][ T31] ? __pfx_bit_wait+0x10/0x10
[ 429.199714][ T31] out_of_line_wait_on_bit+0xdc/0x110
[ 429.205171][ T31] ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[ 429.211201][ T31] ? __pfx_wake_bit_function+0x10/0x10
[ 429.216765][ T31] gfs2_glock_wait+0xe7/0x330
[ 429.221559][ T31] ? __pfx_gfs2_glock_wait+0x10/0x10
[ 429.226879][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.232582][ T31] gfs2_glock_nq+0xa03/0x14f0
[ 429.237332][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.243022][ T31] __gfs2_lookup+0x118/0x2a0
[ 429.247643][ T31] ? __pfx___gfs2_lookup+0x10/0x10
[ 429.252814][ T31] ? __pfx_d_alloc_parallel+0x10/0x10
[ 429.258241][ T31] ? __lookup_slow+0x251/0x460
[ 429.263251][ T31] ? lockdep_init_map_type+0x5c/0x250
[ 429.268663][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.274360][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.280028][ T31] ? lockdep_init_map_type+0x5c/0x250
[ 429.285491][ T31] __lookup_slow+0x251/0x460
[ 429.290118][ T31] ? __pfx___lookup_slow+0x10/0x10
[ 429.295298][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.300968][ T31] ? __d_lookup+0x266/0x4a0
[ 429.305546][ T31] lookup_slow+0x50/0x70
[ 429.309821][ T31] path_lookupat+0x5e8/0xc40
[ 429.314484][ T31] filename_lookup+0x202/0x590
[ 429.319301][ T31] ? __pfx_filename_lookup+0x10/0x10
[ 429.324676][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.330339][ T31] ? strncpy_from_user+0x19d/0x2d0
[ 429.335523][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.341191][ T31] user_path_at+0x3c/0x60
[ 429.345601][ T31] __x64_sys_umount+0x10a/0x1a0
[ 429.350455][ T31] ? __pfx___x64_sys_umount+0x10/0x10
[ 429.355889][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.361585][ T31] ? rcu_is_watching+0x12/0xc0
[ 429.366373][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.372052][ T31] do_syscall_64+0x10b/0xf80
[ 429.376675][ T31] ? irqentry_exit+0x117/0x790
[ 429.381501][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 429.387420][ T31] RIP: 0033:0x7f34c1376277
[ 429.391889][ T31] RSP: 002b:00007ffccac7fab8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 429.400341][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f34c1376277
[ 429.408377][ T31] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffccac7fb70
[ 429.416439][ T31] RBP: 00007ffccac7fb70 R08: 00007ffccac80b70 R09: 00000000ffffffff
[ 429.424452][ T31] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffccac80c60
[ 429.432462][ T31] R13: 0000555585e757f0 R14: 0000555585e643d8 R15: 00007ffccac82de0
[ 429.440464][ T31]
[ 429.443537][ T31]
[ 429.443537][ T31] Showing all locks held in the system:
[ 429.451325][ T31] 1 lock held by khungtaskd/31:
[ 429.456176][ T31] #0: ffffffff8e7e54e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x184
[ 429.466230][ T31] 2 locks held by getty/5373:
[ 429.470925][ T31] #0: ffff8880384490a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80
[ 429.480800][ T31] #1: ffffc9000322b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x14f0
[ 429.491033][ T31] 1 lock held by syz-executor275/5645:
[ 429.496521][ T31] #0: ffff8880780c67c0 (&type->i_mutex_dir_key#6){.+.+}-{4:4}, at: lookup_slow+0x42/0x70
[ 429.506580][ T31]
[ 429.508905][ T31] =============================================
[ 429.508905][ T31]
[ 429.517463][ T31] NMI backtrace for cpu 1
[ 429.517486][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 429.517529][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 429.517550][ T31] Call Trace:
[ 429.517562][ T31]
[ 429.517574][ T31] dump_stack_lvl+0x100/0x190
[ 429.517624][ T31] nmi_cpu_backtrace.cold+0x12d/0x151
[ 429.517668][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 429.517709][ T31] nmi_trigger_cpumask_backtrace+0x1d7/0x230
[ 429.517775][ T31] sys_info+0x141/0x190
[ 429.517827][ T31] watchdog+0xcb1/0x1030
[ 429.517872][ T31] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 429.517921][ T31] ? __pfx_watchdog+0x10/0x10
[ 429.517954][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.517997][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.518036][ T31] ? __kthread_parkme+0x18c/0x230
[ 429.518097][ T31] ? kthread+0x13a/0x450
[ 429.518131][ T31] ? __pfx_watchdog+0x10/0x10
[ 429.518164][ T31] kthread+0x370/0x450
[ 429.518199][ T31] ? __pfx_kthread+0x10/0x10
[ 429.518238][ T31] ret_from_fork+0x72b/0xd50
[ 429.518282][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 429.518323][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.518362][ T31] ? __switch_to+0x800/0x1100
[ 429.518413][ T31] ? __switch_to_asm+0x39/0x70
[ 429.518461][ T31] ? __pfx_kthread+0x10/0x10
[ 429.518500][ T31] ret_from_fork_asm+0x1a/0x30
[ 429.518564][ T31]
[ 429.518582][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 429.665144][ C0] NMI backtrace for cpu 0
[ 429.665178][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full)
[ 429.665217][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 429.665237][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20
[ 429.665291][ C0] Code: 76 94 02 e9 ae a8 87 f5 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 e0 22 00 fb f4 87 a8 87 f5 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
[ 429.665323][ C0] RSP: 0018:ffffffff8e407e00 EFLAGS: 00000246
[ 429.665349][ C0] RAX: 00000000000b0e71 RBX: ffffffff8e4955c0 RCX: ffffffff8b88b045
[ 429.665371][ C0] RDX: 0000000000000000 RSI: ffffffff8df1dd5d RDI: ffffffff8c1c3500
[ 429.665392][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed10170867b5
[ 429.665413][ C0] R10: ffff8880b8433dab R11: 0000000000000000 R12: 0000000000000000
[ 429.665433][ C0] R13: fffffbfff1c92ab8 R14: 0000000000000000 R15: ffffffff90d7c950
[ 429.665458][ C0] FS: 0000000000000000(0000) GS:ffff888124376000(0000) knlGS:0000000000000000
[ 429.665486][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 429.665508][ C0] CR2: 0000562d7d45e660 CR3: 000000000e596000 CR4: 0000000000350ef0
[ 429.665529][ C0] Call Trace:
[ 429.665542][ C0]
[ 429.665553][ C0] default_idle+0x9/0x10
[ 429.665604][ C0] default_idle_call+0x6c/0xb0
[ 429.665654][ C0] do_idle+0x464/0x590
[ 429.665711][ C0] ? __pfx_do_idle+0x10/0x10
[ 429.665768][ C0] cpu_startup_entry+0x4f/0x60
[ 429.665820][ C0] rest_init+0x251/0x260
[ 429.665847][ C0] ? __pfx_x86_late_time_init+0x10/0x10
[ 429.665912][ C0] start_kernel+0x484/0x490
[ 429.665953][ C0] x86_64_start_reservations+0x24/0x30
[ 429.665995][ C0] x86_64_start_kernel+0x12b/0x130
[ 429.666036][ C0] common_startup_64+0x13e/0x148
[ 429.666097][ C0]
[ 429.666146][ T31] Kernel panic - not syncing: hung_task: blocked tasks
[ 429.666168][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 429.666206][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 429.666227][ T31] Call Trace:
[ 429.666240][ T31]
[ 429.666254][ T31] dump_stack_lvl+0x100/0x190
[ 429.666301][ T31] vpanic+0x552/0x970
[ 429.666340][ T31] ? __pfx_vpanic+0x10/0x10
[ 429.666376][ T31] ? nmi_trigger_cpumask_backtrace+0x182/0x230
[ 429.666446][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.666501][ T31] panic+0xd1/0xe0
[ 429.666536][ T31] ? __pfx_panic+0x10/0x10
[ 429.666578][ T31] ? nmi_trigger_cpumask_backtrace+0x1b5/0x230
[ 429.666640][ T31] ? nmi_trigger_cpumask_backtrace+0x1f6/0x230
[ 429.666703][ T31] ? nmi_trigger_cpumask_backtrace+0x200/0x230
[ 429.666764][ T31] ? watchdog.cold+0x1ec/0x234
[ 429.666806][ T31] ? watchdog+0xcc1/0x1030
[ 429.666850][ T31] watchdog.cold+0x1fd/0x234
[ 429.666907][ T31] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 429.666955][ T31] ? __pfx_watchdog+0x10/0x10
[ 429.666992][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.667039][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.667083][ T31] ? __kthread_parkme+0x18c/0x230
[ 429.667151][ T31] ? kthread+0x13a/0x450
[ 429.667189][ T31] ? __pfx_watchdog+0x10/0x10
[ 429.667226][ T31] kthread+0x370/0x450
[ 429.667266][ T31] ? __pfx_kthread+0x10/0x10
[ 429.667310][ T31] ret_from_fork+0x72b/0xd50
[ 429.667359][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 429.667405][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 429.667450][ T31] ? __switch_to+0x800/0x1100
[ 429.667502][ T31] ? __switch_to_asm+0x39/0x70
[ 429.667553][ T31] ? __pfx_kthread+0x10/0x10
[ 429.667597][ T31] ret_from_fork_asm+0x1a/0x30
[ 429.667670][ T31]
[ 430.022659][ T31] Kernel Offset: disabled
[ 430.026984][ T31] Rebooting in 86400 seconds..