Warning: Permanently added '10.128.0.3' (ED25519) to the list of known hosts. executing program [ 289.042822][ T4246] loop0: detected capacity change from 0 to 32768 [ 289.048219][ T4246] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 289.050629][ T4246] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 289.068434][ T4246] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 289.072528][ T1955] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 289.074353][ T1955] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 571.381834][ T28] INFO: task kworker/1:2:1955 blocked for more than 143 seconds. [ 571.384024][ T28] Not tainted 6.1.90-syzkaller #0 [ 571.385458][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.387710][ T28] task:kworker/1:2 state:D stack:0 pid:1955 ppid:2 flags:0x00000008 [ 571.390079][ T28] Workqueue: gfs_recovery gfs2_recover_func [ 571.391630][ T28] Call trace: [ 571.392786][ T28] __switch_to+0x320/0x754 [ 571.393933][ T28] __schedule+0xee4/0x1c98 [ 571.395104][ T28] schedule+0xc4/0x170 [ 571.396125][ T28] io_schedule+0x8c/0x188 [ 571.397266][ T28] folio_wait_bit_common+0x65c/0xb90 [ 571.398657][ T28] folio_wait_bit+0x30/0x40 [ 571.399869][ T28] gfs2_jhead_process_page+0x150/0x5c0 [ 571.401264][ T28] gfs2_find_jhead+0xa58/0xbe0 [ 571.402573][ T28] gfs2_recover_func+0x550/0x18f0 [ 571.403817][ T28] process_one_work+0x7ac/0x1404 [ 571.405039][ T28] worker_thread+0x8e4/0xfec [ 571.406194][ T28] kthread+0x250/0x2d8 [ 571.407233][ T28] ret_from_fork+0x10/0x20 [ 571.408419][ T28] INFO: task syz-executor341:4246 blocked for more than 143 seconds. [ 571.410472][ T28] Not tainted 6.1.90-syzkaller #0 [ 571.411925][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.414136][ T28] task:syz-executor341 state:D stack:0 pid:4246 ppid:4245 flags:0x0000000d [ 571.416528][ T28] Call trace: [ 571.417325][ T28] __switch_to+0x320/0x754 [ 571.418428][ T28] __schedule+0xee4/0x1c98 [ 571.419607][ T28] schedule+0xc4/0x170 [ 571.420632][ T28] bit_wait+0x1c/0xac [ 571.421642][ T28] out_of_line_wait_on_bit+0x208/0x334 [ 571.423049][ T28] gfs2_recover_journal+0xd8/0x150 [ 571.424344][ T28] init_journal+0x14ac/0x2054 [ 571.425588][ T28] init_inodes+0xe0/0x2d8 [ 571.426685][ T28] gfs2_fill_super+0x1608/0x1f9c [ 571.427928][ T28] get_tree_bdev+0x360/0x54c [ 571.429045][ T28] gfs2_get_tree+0x54/0x1b4 [ 571.430206][ T28] vfs_get_tree+0x90/0x274 [ 571.431307][ T28] do_new_mount+0x278/0x8fc [ 571.432513][ T28] path_mount+0x590/0xe5c [ 571.433622][ T28] __arm64_sys_mount+0x45c/0x594 [ 571.434869][ T28] invoke_syscall+0x98/0x2c0 [ 571.436007][ T28] el0_svc_common+0x138/0x258 [ 571.437213][ T28] do_el0_svc+0x64/0x218 [ 571.438274][ T28] el0_svc+0x58/0x168 [ 571.439282][ T28] el0t_64_sync_handler+0x84/0xf0 [ 571.440556][ T28] el0t_64_sync+0x18c/0x190 [ 571.441721][ T28] [ 571.441721][ T28] Showing all locks held in the system: [ 571.443691][ T28] 1 lock held by rcu_tasks_kthre/12: [ 571.445002][ T28] #0: ffff800015a14e70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 571.447738][ T28] 1 lock held by rcu_tasks_trace/13: [ 571.449058][ T28] #0: ffff800015a15670 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 571.451891][ T28] 1 lock held by khungtaskd/28: [ 571.453110][ T28] #0: ffff800015a14ca0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 571.455482][ T28] 2 locks held by kworker/1:2/1955: [ 571.456777][ T28] #0: ffff0000c6e62938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 [ 571.459581][ T28] #1: ffff8000238a7c20 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 [ 571.462515][ T28] 2 locks held by getty/3986: [ 571.463690][ T28] #0: ffff0000d5c1a098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 571.466173][ T28] #1: ffff80001bd232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 571.468786][ T28] 1 lock held by syz-executor341/4246: [ 571.470133][ T28] #0: ffff0000df1040e0 (&type->s_umount_key#39/1){+.+.}-{3:3}, at: alloc_super+0x1b4/0x824 [ 571.472814][ T28] [ 571.473417][ T28] ============================================= [ 571.473417][ T28] [ 571.475550][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 571.477318][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.90-syzkaller #0 [ 571.479277][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 571.481788][ T28] Call trace: [ 571.482621][ T28] dump_backtrace+0x1c8/0x1f4 [ 571.483858][ T28] show_stack+0x2c/0x3c [ 571.484927][ T28] dump_stack_lvl+0x108/0x170 [ 571.486162][ T28] dump_stack+0x1c/0x58 [ 571.487247][ T28] panic+0x300/0x804 [ 571.488266][ T28] hung_task_panic+0x0/0x2c [ 571.489446][ T28] kthread+0x250/0x2d8 [ 571.490535][ T28] ret_from_fork+0x10/0x20 [ 571.491686][ T28] SMP: stopping secondary CPUs [ 571.492956][ T28] Kernel Offset: disabled [ 571.494080][ T28] CPU features: 0x00000,02070084,26017203 [ 571.495576][ T28] Memory Limit: none [ 571.809420][ T28] Rebooting in 86400 seconds..