Warning: Permanently added '10.128.1.47' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 428.012684][ T28] INFO: task syz-executor392:4258 blocked for more than 143 seconds. [ 428.014750][ T28] Not tainted 6.1.82-syzkaller #0 [ 428.016163][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.018341][ T28] task:syz-executor392 state:D stack:0 pid:4258 ppid:4255 flags:0x00000005 [ 428.020722][ T28] Call trace: [ 428.021565][ T28] __switch_to+0x320/0x754 [ 428.023182][ T28] __schedule+0xee4/0x1c98 [ 428.024311][ T28] schedule+0xc4/0x170 [ 428.025319][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 428.026874][ T28] down_write+0x84/0x88 [ 428.027969][ T28] blkdev_fallocate+0x1d4/0x400 [ 428.029212][ T28] vfs_fallocate+0x478/0x5b4 [ 428.030395][ T28] __arm64_sys_fallocate+0xc0/0x110 [ 428.031724][ T28] invoke_syscall+0x98/0x2c0 [ 428.033040][ T28] el0_svc_common+0x138/0x258 [ 428.034288][ T28] do_el0_svc+0x64/0x218 [ 428.035368][ T28] el0_svc+0x58/0x168 [ 428.036397][ T28] el0t_64_sync_handler+0x84/0xf0 [ 428.037711][ T28] el0t_64_sync+0x18c/0x190 [ 428.038852][ T28] INFO: task syz-executor392:4259 blocked for more than 143 seconds. [ 428.040856][ T28] Not tainted 6.1.82-syzkaller #0 [ 428.042273][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.045045][ T28] task:syz-executor392 state:D stack:0 pid:4259 ppid:4252 flags:0x00000005 [ 428.047942][ T28] Call trace: [ 428.049184][ T28] __switch_to+0x320/0x754 [ 428.050775][ T28] __schedule+0xee4/0x1c98 [ 428.052348][ T28] schedule+0xc4/0x170 [ 428.053839][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 428.055786][ T28] down_write+0x84/0x88 [ 428.056915][ T28] blkdev_fallocate+0x1d4/0x400 [ 428.058128][ T28] vfs_fallocate+0x478/0x5b4 [ 428.059242][ T28] __arm64_sys_fallocate+0xc0/0x110 [ 428.060594][ T28] invoke_syscall+0x98/0x2c0 [ 428.061774][ T28] el0_svc_common+0x138/0x258 [ 428.063054][ T28] do_el0_svc+0x64/0x218 [ 428.064615][ T28] el0_svc+0x58/0x168 [ 428.065623][ T28] el0t_64_sync_handler+0x84/0xf0 [ 428.066923][ T28] el0t_64_sync+0x18c/0x190 [ 428.068072][ T28] INFO: task syz-executor392:4260 blocked for more than 143 seconds. [ 428.070686][ T28] Not tainted 6.1.82-syzkaller #0 [ 428.072707][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.075453][ T28] task:syz-executor392 state:D stack:0 pid:4260 ppid:4257 flags:0x00000005 [ 428.078287][ T28] Call trace: [ 428.079545][ T28] __switch_to+0x320/0x754 [ 428.081127][ T28] __schedule+0xee4/0x1c98 [ 428.082746][ T28] schedule+0xc4/0x170 [ 428.083804][ T28] rwsem_down_write_slowpath+0xc80/0x156c [ 428.085301][ T28] down_write+0x84/0x88 [ 428.086382][ T28] blkdev_fallocate+0x1d4/0x400 [ 428.087636][ T28] vfs_fallocate+0x478/0x5b4 [ 428.088820][ T28] __arm64_sys_fallocate+0xc0/0x110 [ 428.090133][ T28] invoke_syscall+0x98/0x2c0 [ 428.091765][ T28] el0_svc_common+0x138/0x258 [ 428.093095][ T28] do_el0_svc+0x64/0x218 [ 428.094160][ T28] el0_svc+0x58/0x168 [ 428.095551][ T28] el0t_64_sync_handler+0x84/0xf0 [ 428.097272][ T28] el0t_64_sync+0x18c/0x190 [ 428.098902][ T28] [ 428.098902][ T28] Showing all locks held in the system: [ 428.101310][ T28] 1 lock held by rcu_tasks_kthre/12: [ 428.103146][ T28] #0: ffff800015a14e70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 428.106346][ T28] 1 lock held by rcu_tasks_trace/13: [ 428.108136][ T28] #0: ffff800015a15670 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 428.111006][ T28] 1 lock held by khungtaskd/28: [ 428.112237][ T28] #0: ffff800015a14ca0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 428.114916][ T28] 1 lock held by klogd/3831: [ 428.116525][ T28] 2 locks held by getty/3981: [ 428.117762][ T28] #0: ffff0000d6154098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 428.120722][ T28] #1: ffff80001bcb02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 428.123906][ T28] 2 locks held by syz-executor392/4256: [ 428.125827][ T28] 1 lock held by syz-executor392/4258: [ 428.127671][ T28] #0: ffff0000c04a55d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x400 [ 428.131002][ T28] 1 lock held by syz-executor392/4259: [ 428.132904][ T28] #0: ffff0000c04a55d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x400 [ 428.136249][ T28] 1 lock held by syz-executor392/4260: [ 428.137639][ T28] #0: ffff0000c04a55d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x400 [ 428.140330][ T28] 1 lock held by syz-executor392/4268: [ 428.141667][ T28] #0: ffff0000c04a55d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x400 [ 428.144946][ T28] [ 428.145554][ T28] ============================================= [ 428.145554][ T28] [ 428.148244][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 428.150008][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.82-syzkaller #0 [ 428.152012][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 428.154763][ T28] Call trace: [ 428.155621][ T28] dump_backtrace+0x1c8/0x1f4 [ 428.156850][ T28] show_stack+0x2c/0x3c [ 428.157955][ T28] dump_stack_lvl+0x108/0x170 [ 428.159214][ T28] dump_stack+0x1c/0x58 [ 428.160401][ T28] panic+0x300/0x7fc [ 428.161444][ T28] hung_task_panic+0x0/0x2c [ 428.162646][ T28] kthread+0x250/0x2d8 [ 428.163692][ T28] ret_from_fork+0x10/0x20 [ 428.164822][ T28] SMP: stopping secondary CPUs [ 428.166056][ T28] Kernel Offset: disabled [ 428.167184][ T28] CPU features: 0x00000,02070084,26017203 [ 428.168680][ T28] Memory Limit: none [ 428.463604][ T28] Rebooting in 86400 seconds..