Warning: Permanently added '10.128.1.130' (ED25519) to the list of known hosts. executing program [ 647.317937][ T4261] loop0: detected capacity change from 0 to 32768 [ 647.322436][ T4261] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 647.324245][ T4261] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 647.330890][ T4261] gfs2: fsid=syz:syz.0: journal 0 mapped with 12 extents in 0ms [ 647.334074][ T14] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 647.335499][ T14] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 647.364156][ T14] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 28ms [ 647.366075][ T14] gfs2: fsid=syz:syz.0: jid=0: Done [ 647.367368][ T4261] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 647.457845][ T4261] gfs2: fsid=syz:syz.0: found 1 quota changes [ 858.098247][ T28] INFO: task syz-executor282:4260 blocked for more than 143 seconds. [ 858.100203][ T28] Not tainted 6.1.45-syzkaller #0 [ 858.101332][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 858.103164][ T28] task:syz-executor282 state:D stack:0 pid:4260 ppid:4258 flags:0x00000004 [ 858.105218][ T28] Call trace: [ 858.105983][ T28] __switch_to+0x320/0x754 [ 858.106972][ T28] __schedule+0xee4/0x1c98 [ 858.107896][ T28] schedule+0xc4/0x170 [ 858.108831][ T28] schedule_timeout+0x1d8/0x344 [ 858.109896][ T28] gfs2_gl_hash_clear+0x178/0x2e0 [ 858.110946][ T28] gfs2_put_super+0x640/0x6d4 [ 858.111904][ T28] generic_shutdown_super+0x130/0x328 [ 858.113043][ T28] kill_block_super+0x70/0xdc [ 858.114005][ T28] gfs2_kill_sb+0xc0/0xd4 [ 858.114858][ T28] deactivate_locked_super+0xac/0x124 [ 858.116031][ T28] deactivate_super+0xf0/0x110 [ 858.117082][ T28] cleanup_mnt+0x394/0x41c [ 858.118089][ T28] __cleanup_mnt+0x20/0x30 [ 858.119031][ T28] task_work_run+0x240/0x2f0 [ 858.120039][ T28] do_notify_resume+0x2144/0x3470 [ 858.121090][ T28] el0_svc+0x9c/0x168 [ 858.121963][ T28] el0t_64_sync_handler+0x84/0xf0 [ 858.123042][ T28] el0t_64_sync+0x18c/0x190 [ 858.123979][ T28] [ 858.123979][ T28] Showing all locks held in the system: [ 858.125631][ T28] 1 lock held by rcu_tasks_kthre/12: [ 858.126702][ T28] #0: ffff800015a74ef0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 858.129156][ T28] 1 lock held by rcu_tasks_trace/13: [ 858.130309][ T28] #0: ffff800015a756f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 858.132654][ T28] 1 lock held by khungtaskd/28: [ 858.133766][ T28] #0: ffff800015a74d20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 858.135868][ T28] 2 locks held by getty/3983: [ 858.136852][ T28] #0: ffff0000d6306098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 858.138941][ T28] #1: ffff80001bd102f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 858.141177][ T28] 1 lock held by syz-executor282/4260: [ 858.142385][ T28] #0: ffff0000ddf6e0e0 (&type->s_umount_key#40){+.+.}-{3:3}, at: deactivate_super+0xe8/0x110 [ 858.144566][ T28] [ 858.145080][ T28] ============================================= [ 858.145080][ T28] [ 858.146894][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 858.148417][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.45-syzkaller #0 [ 858.150148][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 858.152315][ T28] Call trace: [ 858.152996][ T28] dump_backtrace+0x1c8/0x1f4 [ 858.154006][ T28] show_stack+0x2c/0x3c [ 858.154875][ T28] dump_stack_lvl+0x108/0x170 [ 858.155860][ T28] dump_stack+0x1c/0x58 [ 858.156761][ T28] panic+0x300/0x7fc [ 858.157577][ T28] hung_task_panic+0x0/0x2c [ 858.158596][ T28] kthread+0x250/0x2d8 [ 858.159444][ T28] ret_from_fork+0x10/0x20 [ 858.160374][ T28] SMP: stopping secondary CPUs [ 858.161421][ T28] Kernel Offset: disabled [ 858.162338][ T28] CPU features: 0x00000,02070084,26017203 [ 858.163612][ T28] Memory Limit: none [ 858.536213][ T28] Rebooting in 86400 seconds..