Warning: Permanently added '10.128.1.62' (ED25519) to the list of known hosts. executing program [ 127.211496][ T4308] loop0: detected capacity change from 0 to 32768 [ 127.216661][ T4308] gfs2: fsid=__&+[$!: Trying to join cluster "lock_nolock", "__&+[$!" [ 127.218765][ T4308] gfs2: fsid=__&+[$!: Now mounting FS (format 1801)... [ 127.227944][ T4308] gfs2: fsid=__&+[$!.0: journal 0 mapped with 16 extents in 0ms [ 127.231559][ T1964] gfs2: fsid=__&+[$!.0: jid=0, already locked for use [ 127.233194][ T1964] gfs2: fsid=__&+[$!.0: jid=0: Looking at journal... [ 127.254901][ T1964] gfs2: fsid=__&+[$!.0: jid=0: Journal head lookup took 21ms [ 127.257985][ T1964] gfs2: fsid=__&+[$!.0: jid=0: Done [ 127.259716][ T4308] gfs2: fsid=__&+[$!.0: first mount done, others may mount [ 284.681742][ T28] INFO: task syz-executor258:4307 blocked for more than 143 seconds. [ 284.684113][ T28] Not tainted 6.1.128-syzkaller #0 [ 284.685428][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.687399][ T28] task:syz-executor258 state:D stack:0 pid:4307 ppid:4305 flags:0x00000004 [ 284.689428][ T28] Call trace: [ 284.690113][ T28] __switch_to+0x308/0x598 [ 284.691397][ T28] __schedule+0xef4/0x1d44 [ 284.692516][ T28] schedule+0xc4/0x170 [ 284.693443][ T28] bit_wait+0x1c/0xac [ 284.694405][ T28] out_of_line_wait_on_bit+0x208/0x334 [ 284.695607][ T28] gfs2_glock_wait+0xb8/0x298 [ 284.696616][ T28] gfs2_glock_nq+0xa90/0x11d8 [ 284.697635][ T28] __gfs2_lookup+0x140/0x28c [ 284.698740][ T28] gfs2_lookup+0x2c/0x3c [ 284.699668][ T28] __lookup_slow+0x250/0x374 [ 284.700676][ T28] lookup_slow+0x60/0x84 [ 284.701742][ T28] walk_component+0x280/0x36c [ 284.702773][ T28] path_lookupat+0x13c/0x3d0 [ 284.703778][ T28] filename_lookup+0x1d4/0x4e0 [ 284.704896][ T28] user_path_at_empty+0x5c/0x84 [ 284.705962][ T28] __arm64_sys_umount+0xf8/0x17c [ 284.707066][ T28] invoke_syscall+0x98/0x2bc [ 284.708139][ T28] el0_svc_common+0x138/0x258 [ 284.709170][ T28] do_el0_svc+0x58/0x13c [ 284.710201][ T28] el0_svc+0x58/0x168 [ 284.711129][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.712413][ T28] el0t_64_sync+0x18c/0x190 [ 284.713504][ T28] [ 284.713504][ T28] Showing all locks held in the system: [ 284.715152][ T28] 1 lock held by rcu_tasks_kthre/12: [ 284.716331][ T28] #0: ffff800015c65530 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 284.718622][ T28] 1 lock held by rcu_tasks_trace/13: [ 284.719802][ T28] #0: ffff800015c65d30 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 284.722434][ T28] 1 lock held by khungtaskd/28: [ 284.723506][ T28] #0: ffff800015c65360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 284.725648][ T28] 2 locks held by getty/4051: [ 284.726629][ T28] #0: ffff0000d6085098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 284.728723][ T28] #1: ffff8000211eb2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 284.730902][ T28] 1 lock held by syz-executor258/4307: [ 284.732153][ T28] #0: ffff0000df2a22e8 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 [ 284.734317][ T28] [ 284.734830][ T28] ============================================= [ 284.734830][ T28] [ 284.736700][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 284.738157][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.128-syzkaller #0 [ 284.739817][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 284.741962][ T28] Call trace: [ 284.742662][ T28] dump_backtrace+0x1c8/0x1f4 [ 284.743729][ T28] show_stack+0x2c/0x3c [ 284.744640][ T28] dump_stack_lvl+0x108/0x170 [ 284.745688][ T28] dump_stack+0x1c/0x5c [ 284.746615][ T28] panic+0x300/0x804 [ 284.747481][ T28] hung_task_panic+0x0/0x2c [ 284.748455][ T28] kthread+0x250/0x2d8 [ 284.749389][ T28] ret_from_fork+0x10/0x20 [ 284.750361][ T28] SMP: stopping secondary CPUs [ 284.751445][ T28] Kernel Offset: disabled [ 284.752409][ T28] CPU features: 0x080000,02070084,26017203 [ 284.753726][ T28] Memory Limit: none [ 285.103863][ T28] Rebooting in 86400 seconds..