Warning: Permanently added '10.128.0.133' (ED25519) to the list of known hosts. executing program [ 109.669228][ T4310] loop0: detected capacity change from 0 to 32768 [ 109.675743][ T4310] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 109.677765][ T4310] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 109.695785][ T4310] gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms [ 109.699558][ T112] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 109.701460][ T112] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 284.644634][ T28] INFO: task kworker/0:2:112 blocked for more than 143 seconds. [ 284.646670][ T28] Not tainted 6.1.134-syzkaller #0 [ 284.648100][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.650467][ T28] task:kworker/0:2 state:D stack:0 pid:112 ppid:2 flags:0x00000008 [ 284.652823][ T28] Workqueue: gfs_recovery gfs2_recover_func [ 284.654374][ T28] Call trace: [ 284.655377][ T28] __switch_to+0x308/0x598 [ 284.656619][ T28] __schedule+0xef4/0x1d44 [ 284.657805][ T28] schedule+0xc4/0x170 [ 284.658924][ T28] io_schedule+0x8c/0x188 [ 284.660116][ T28] folio_wait_bit_common+0x65c/0xb90 [ 284.661499][ T28] folio_wait_bit+0x30/0x40 [ 284.662675][ T28] gfs2_jhead_process_page+0x150/0x5c0 [ 284.664131][ T28] gfs2_find_jhead+0x70c/0xbe0 [ 284.665746][ T28] gfs2_recover_func+0x51c/0x18b0 [ 284.667028][ T28] process_one_work+0x804/0x1484 [ 284.668303][ T28] worker_thread+0x8e4/0xfec [ 284.669482][ T28] kthread+0x250/0x2d8 [ 284.670545][ T28] ret_from_fork+0x10/0x20 [ 284.671721][ T28] INFO: task syz-executor272:4310 blocked for more than 143 seconds. [ 284.673805][ T28] Not tainted 6.1.134-syzkaller #0 [ 284.675313][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.677571][ T28] task:syz-executor272 state:D stack:0 pid:4310 ppid:4309 flags:0x0000000d [ 284.679941][ T28] Call trace: [ 284.680783][ T28] __switch_to+0x308/0x598 [ 284.681941][ T28] __schedule+0xef4/0x1d44 [ 284.683123][ T28] schedule+0xc4/0x170 [ 284.684169][ T28] bit_wait+0x1c/0xac [ 284.685324][ T28] out_of_line_wait_on_bit+0x208/0x334 [ 284.686710][ T28] gfs2_recover_journal+0xd8/0x150 [ 284.688014][ T28] init_journal+0x14ac/0x2054 [ 284.689234][ T28] init_inodes+0xe0/0x2d8 [ 284.690362][ T28] gfs2_fill_super+0x1794/0x1fdc [ 284.691628][ T28] get_tree_bdev+0x360/0x54c [ 284.692796][ T28] gfs2_get_tree+0x54/0x1b4 [ 284.693976][ T28] vfs_get_tree+0x90/0x274 [ 284.695212][ T28] do_new_mount+0x278/0x8fc [ 284.696420][ T28] path_mount+0x590/0xe5c [ 284.697577][ T28] __arm64_sys_mount+0x498/0x588 [ 284.698831][ T28] invoke_syscall+0x98/0x2bc [ 284.700036][ T28] el0_svc_common+0x138/0x258 [ 284.701289][ T28] do_el0_svc+0x58/0x13c [ 284.702361][ T28] el0_svc+0x58/0x168 [ 284.703421][ T28] el0t_64_sync_handler+0x84/0xf0 [ 284.704797][ T28] el0t_64_sync+0x18c/0x190 [ 284.705976][ T28] [ 284.705976][ T28] Showing all locks held in the system: [ 284.707936][ T28] 1 lock held by rcu_tasks_kthre/12: [ 284.709256][ T28] #0: ffff800015cd79f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 284.711955][ T28] 1 lock held by rcu_tasks_trace/13: [ 284.713283][ T28] #0: ffff800015cd81f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 284.716236][ T28] 1 lock held by khungtaskd/28: [ 284.717465][ T28] #0: ffff800015cd7820 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 284.719889][ T28] 2 locks held by kworker/0:2/112: [ 284.721218][ T28] #0: ffff0000c6e5f138 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 [ 284.723944][ T28] #1: ffff80001dfa7c20 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 [ 284.726996][ T28] 1 lock held by klogd/3903: [ 284.728150][ T28] #0: ffff0001b3cd6118 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2c4/0x1d44 [ 284.730419][ T28] 2 locks held by getty/4052: [ 284.731626][ T28] #0: ffff0000d659a098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 284.734128][ T28] #1: ffff80001d9002f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 284.736869][ T28] 1 lock held by syz-executor272/4310: [ 284.738323][ T28] #0: ffff0000da4e20e0 (&type->s_umount_key#39/1){+.+.}-{3:3}, at: alloc_super+0x1b4/0x824 [ 284.741119][ T28] [ 284.741735][ T28] ============================================= [ 284.741735][ T28] [ 284.743909][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 284.745727][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.134-syzkaller #0 [ 284.747795][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 284.750444][ T28] Call trace: [ 284.751330][ T28] dump_backtrace+0x1c8/0x1f4 [ 284.752545][ T28] show_stack+0x2c/0x3c [ 284.753592][ T28] dump_stack_lvl+0x108/0x170 [ 284.754834][ T28] dump_stack+0x1c/0x5c [ 284.755963][ T28] panic+0x300/0x804 [ 284.756967][ T28] hung_task_panic+0x0/0x2c [ 284.758176][ T28] kthread+0x250/0x2d8 [ 284.759253][ T28] ret_from_fork+0x10/0x20 [ 284.760414][ T28] SMP: stopping secondary CPUs [ 284.761742][ T28] Kernel Offset: disabled [ 284.762928][ T28] CPU features: 0x080000,02070084,26017203 [ 284.764438][ T28] Memory Limit: none [ 285.089142][ T28] Rebooting in 86400 seconds..