Warning: Permanently added '10.128.10.27' (ED25519) to the list of known hosts. executing program [ 283.937710][ T4243] loop0: detected capacity change from 0 to 32768 [ 283.943910][ T4243] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 283.946127][ T4243] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 283.955758][ T4243] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 283.959675][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 283.961570][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 428.039760][ T28] INFO: task kworker/0:0:7 blocked for more than 143 seconds. [ 428.041883][ T28] Not tainted 6.1.83-syzkaller #0 [ 428.043302][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.045571][ T28] task:kworker/0:0 state:D stack:0 pid:7 ppid:2 flags:0x00000008 [ 428.047959][ T28] Workqueue: gfs_recovery gfs2_recover_func [ 428.049540][ T28] Call trace: [ 428.050477][ T28] __switch_to+0x320/0x754 [ 428.051715][ T28] __schedule+0xee4/0x1c98 [ 428.052857][ T28] schedule+0xc4/0x170 [ 428.053953][ T28] io_schedule+0x8c/0x188 [ 428.055072][ T28] folio_wait_bit_common+0x65c/0xb90 [ 428.056441][ T28] folio_wait_bit+0x30/0x40 [ 428.057614][ T28] gfs2_jhead_process_page+0x150/0x5c0 [ 428.059098][ T28] gfs2_find_jhead+0xa58/0xbe0 [ 428.060414][ T28] gfs2_recover_func+0x550/0x18f0 [ 428.061769][ T28] process_one_work+0x7ac/0x1404 [ 428.063027][ T28] worker_thread+0x8e4/0xfec [ 428.064265][ T28] kthread+0x250/0x2d8 [ 428.065361][ T28] ret_from_fork+0x10/0x20 [ 428.066585][ T28] INFO: task syz-executor196:4243 blocked for more than 143 seconds. [ 428.068671][ T28] Not tainted 6.1.83-syzkaller #0 [ 428.070164][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.072385][ T28] task:syz-executor196 state:D stack:0 pid:4243 ppid:4242 flags:0x0000000d [ 428.074705][ T28] Call trace: [ 428.075590][ T28] __switch_to+0x320/0x754 [ 428.076761][ T28] __schedule+0xee4/0x1c98 [ 428.077907][ T28] schedule+0xc4/0x170 [ 428.078941][ T28] bit_wait+0x1c/0xac [ 428.080018][ T28] out_of_line_wait_on_bit+0x208/0x334 [ 428.081410][ T28] gfs2_recover_journal+0xd8/0x150 [ 428.082723][ T28] init_journal+0x14ac/0x2054 [ 428.083927][ T28] init_inodes+0xe0/0x2d8 [ 428.085091][ T28] gfs2_fill_super+0x1608/0x1f9c [ 428.086348][ T28] get_tree_bdev+0x360/0x54c [ 428.087502][ T28] gfs2_get_tree+0x54/0x1b4 [ 428.088639][ T28] vfs_get_tree+0x90/0x274 [ 428.089855][ T28] do_new_mount+0x278/0x8fc [ 428.091047][ T28] path_mount+0x590/0xe5c [ 428.092172][ T28] __arm64_sys_mount+0x45c/0x594 [ 428.093472][ T28] invoke_syscall+0x98/0x2c0 [ 428.094724][ T28] el0_svc_common+0x138/0x258 [ 428.095924][ T28] do_el0_svc+0x64/0x218 [ 428.097011][ T28] el0_svc+0x58/0x168 [ 428.098013][ T28] el0t_64_sync_handler+0x84/0xf0 [ 428.099299][ T28] el0t_64_sync+0x18c/0x190 [ 428.100535][ T28] [ 428.100535][ T28] Showing all locks held in the system: [ 428.102564][ T28] 2 locks held by kworker/0:0/7: [ 428.103831][ T28] #0: ffff0000c61bc938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 [ 428.106719][ T28] #1: ffff800019df7c20 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 [ 428.109623][ T28] 1 lock held by rcu_tasks_kthre/12: [ 428.111060][ T28] #0: ffff800015a14e70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 428.113808][ T28] 1 lock held by rcu_tasks_trace/13: [ 428.115132][ T28] #0: ffff800015a15670 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 428.117966][ T28] 1 lock held by khungtaskd/28: [ 428.119179][ T28] #0: ffff800015a14ca0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 428.121794][ T28] 1 lock held by klogd/3830: [ 428.122940][ T28] #0: ffff0001b436f198 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2c4/0x1c98 [ 428.125313][ T28] 2 locks held by getty/3986: [ 428.126528][ T28] #0: ffff0000d60a7098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 428.128930][ T28] #1: ffff80001bd102f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 428.131686][ T28] 1 lock held by syz-executor196/4243: [ 428.133080][ T28] #0: ffff0000de1000e0 (&type->s_umount_key#39/1){+.+.}-{3:3}, at: alloc_super+0x1b4/0x824 [ 428.135701][ T28] [ 428.136279][ T28] ============================================= [ 428.136279][ T28] [ 428.138385][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 428.140181][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.83-syzkaller #0 [ 428.142207][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 428.144835][ T28] Call trace: [ 428.145700][ T28] dump_backtrace+0x1c8/0x1f4 [ 428.146919][ T28] show_stack+0x2c/0x3c [ 428.147967][ T28] dump_stack_lvl+0x108/0x170 [ 428.149186][ T28] dump_stack+0x1c/0x5c [ 428.150240][ T28] panic+0x300/0x7fc [ 428.151270][ T28] hung_task_panic+0x0/0x2c [ 428.152454][ T28] kthread+0x250/0x2d8 [ 428.153522][ T28] ret_from_fork+0x10/0x20 [ 428.154698][ T28] SMP: stopping secondary CPUs [ 428.155940][ T28] Kernel Offset: disabled [ 428.157084][ T28] CPU features: 0x00000,02070084,26017203 [ 428.158594][ T28] Memory Limit: none [ 428.501019][ T28] Rebooting in 86400 seconds..