Warning: Permanently added '10.128.1.157' (ED25519) to the list of known hosts. executing program [ 129.947870][ T4036] loop0: detected capacity change from 0 to 32768 [ 130.048390][ T4036] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 130.050609][ T4036] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 130.060226][ T4036] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 130.063958][ T1984] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 130.065870][ T1984] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 130.092837][ T1984] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 26ms [ 130.096446][ T1984] gfs2: fsid=syz:syz.0: jid=0: Done [ 130.097909][ T4036] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 130.162245][ T4036] gfs2: fsid=syz:syz.0: can't make FS RW: -5 [ 284.665788][ T27] INFO: task kworker/0:1H:227 blocked for more than 143 seconds. [ 284.667908][ T27] Not tainted 5.15.164-syzkaller #0 [ 284.669375][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.671579][ T27] task:kworker/0:1H state:D stack: 0 pid: 227 ppid: 2 flags:0x00000008 [ 284.673944][ T27] Workqueue: glock_workqueue glock_work_func [ 284.675432][ T27] Call trace: [ 284.676380][ T27] __switch_to+0x308/0x5e8 [ 284.677615][ T27] __schedule+0xf10/0x1e48 [ 284.678765][ T27] schedule+0x11c/0x1c8 [ 284.679831][ T27] rwsem_down_write_slowpath+0xd94/0x17e0 [ 284.681301][ T27] down_write+0xe8/0x12c [ 284.682366][ T27] freeze_super+0x5c/0x388 [ 284.683438][ T27] freeze_go_sync+0x128/0x31c [ 284.684665][ T27] do_xmote+0x304/0x1054 [ 284.685833][ T27] run_queue+0x3f8/0x6bc [ 284.686900][ T27] glock_work_func+0x27c/0x470 [ 284.688116][ T27] process_one_work+0x790/0x11b8 [ 284.689356][ T27] worker_thread+0x910/0x1034 [ 284.690544][ T27] kthread+0x37c/0x45c [ 284.691573][ T27] ret_from_fork+0x10/0x20 [ 284.692739][ T27] INFO: task syz-executor416:4036 blocked for more than 143 seconds. [ 284.694774][ T27] Not tainted 5.15.164-syzkaller #0 [ 284.696265][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.698447][ T27] task:syz-executor416 state:D stack: 0 pid: 4036 ppid: 4035 flags:0x0000000d [ 284.700783][ T27] Call trace: [ 284.701590][ T27] __switch_to+0x308/0x5e8 [ 284.702732][ T27] __schedule+0xf10/0x1e48 [ 284.703947][ T27] schedule+0x11c/0x1c8 [ 284.705020][ T27] schedule_timeout+0xb8/0x344 [ 284.706310][ T27] do_wait_for_common+0x214/0x388 [ 284.707597][ T27] wait_for_completion+0x4c/0x64 [ 284.708874][ T27] flush_workqueue+0x580/0x11c4 [ 284.710124][ T27] gfs2_gl_hash_clear+0xd4/0x2f4 [ 284.711344][ T27] gfs2_fill_super+0x1b9c/0x2010 [ 284.712578][ T27] get_tree_bdev+0x360/0x54c [ 284.713750][ T27] gfs2_get_tree+0x54/0x1b4 [ 284.714948][ T27] vfs_get_tree+0x90/0x274 [ 284.716137][ T27] do_new_mount+0x278/0x8fc [ 284.717310][ T27] path_mount+0x594/0x101c [ 284.718420][ T27] __arm64_sys_mount+0x510/0x5e0 [ 284.719621][ T27] invoke_syscall+0x98/0x2b8 [ 284.720748][ T27] el0_svc_common+0x138/0x258 [ 284.721919][ T27] do_el0_svc+0x58/0x14c [ 284.722976][ T27] el0_svc+0x7c/0x1f0 [ 284.723962][ T27] el0t_64_sync_handler+0x84/0xe4 [ 284.725211][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.726466][ T27] [ 284.726466][ T27] Showing all locks held in the system: [ 284.728440][ T27] 1 lock held by khungtaskd/27: [ 284.729738][ T27] #0: ffff800014c91660 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 284.732158][ T27] 3 locks held by kworker/0:1H/227: [ 284.733453][ T27] #0: ffff0000c68e9138 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 [ 284.736391][ T27] #1: ffff80001af07c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 [ 284.739447][ T27] #2: ffff0000cbd280e0 (&type->s_umount_key#41){+.+.}-{3:3}, at: freeze_super+0x5c/0x388 [ 284.742022][ T27] 2 locks held by getty/3781: [ 284.743191][ T27] #0: ffff0000d3535098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 284.745577][ T27] #1: ffff800018fe02e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 [ 284.748369][ T27] 1 lock held by syz-executor416/4036: [ 284.749740][ T27] #0: ffff0000cbd280e0 (&type->s_umount_key#40/1){+.+.}-{3:3}, at: alloc_super+0x1b8/0x844 [ 284.752381][ T27] [ 284.752971][ T27] ============================================= [ 284.752971][ T27] [ 284.755058][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 284.756919][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.164-syzkaller #0 [ 284.758982][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 284.761687][ T27] Call trace: [ 284.762521][ T27] dump_backtrace+0x0/0x530 [ 284.763683][ T27] show_stack+0x2c/0x3c [ 284.764749][ T27] dump_stack_lvl+0x108/0x170 [ 284.765942][ T27] dump_stack+0x1c/0x58 [ 284.767094][ T27] panic+0x304/0x8bc [ 284.768114][ T27] hung_task_panic+0x0/0x2c [ 284.769349][ T27] kthread+0x37c/0x45c [ 284.770436][ T27] ret_from_fork+0x10/0x20 [ 284.771583][ T27] SMP: stopping secondary CPUs [ 284.772874][ T27] Kernel Offset: disabled [ 284.774012][ T27] CPU features: 0x0,000081c1,21302e40 [ 284.775451][ T27] Memory Limit: none [ 285.117440][ T27] Rebooting in 86400 seconds..