Warning: Permanently added '10.128.0.255' (ED25519) to the list of known hosts. executing program [ 571.371006][ T28] INFO: task dhcpcd:3897 blocked for more than 143 seconds. [ 571.373049][ T28] Not tainted 6.1.78-syzkaller #0 [ 571.374388][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.376516][ T28] task:dhcpcd state:D stack:0 pid:3897 ppid:1 flags:0x00000804 [ 571.378833][ T28] Call trace: [ 571.379684][ T28] __switch_to+0x320/0x754 [ 571.380789][ T28] __schedule+0xee4/0x1c98 [ 571.381943][ T28] schedule+0xc4/0x170 [ 571.382986][ T28] wait_for_unix_gc+0x15c/0x218 [ 571.384267][ T28] unix_dgram_sendmsg+0xe8/0x16c0 [ 571.385479][ T28] sock_write_iter+0x2d8/0x414 [ 571.386691][ T28] vfs_write+0x610/0x914 [ 571.387823][ T28] ksys_write+0x15c/0x26c [ 571.388970][ T28] __arm64_sys_write+0x7c/0x90 [ 571.390153][ T28] invoke_syscall+0x98/0x2c0 [ 571.391363][ T28] el0_svc_common+0x1fc/0x258 [ 571.392533][ T28] do_el0_svc+0x64/0x218 [ 571.393532][ T28] el0_svc+0x58/0x168 [ 571.394553][ T28] el0t_64_sync_handler+0x84/0xf0 [ 571.395863][ T28] el0t_64_sync+0x18c/0x190 [ 571.397034][ T28] [ 571.397034][ T28] Showing all locks held in the system: [ 571.398888][ T28] 2 locks held by kworker/u4:0/9: [ 571.400142][ T28] #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 [ 571.403110][ T28] #1: ffff800019e17c20 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 [ 571.406067][ T28] 1 lock held by rcu_tasks_kthre/12: [ 571.407395][ T28] #0: ffff800015a14ef0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 571.410025][ T28] 1 lock held by rcu_tasks_trace/13: [ 571.411375][ T28] #0: ffff800015a156f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 571.414200][ T28] 1 lock held by khungtaskd/28: [ 571.415393][ T28] #0: ffff800015a14d20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 571.417759][ T28] 2 locks held by getty/3993: [ 571.418920][ T28] #0: ffff0000d7678098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 571.421330][ T28] #1: ffff80001bce02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 571.423826][ T28] 1 lock held by syz-executor376/4253: [ 571.425105][ T28] [ 571.425687][ T28] ============================================= [ 571.425687][ T28] [ 571.427728][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 571.429386][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.78-syzkaller #0 [ 571.431383][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 571.433995][ T28] Call trace: [ 571.434869][ T28] dump_backtrace+0x1c8/0x1f4 [ 571.436044][ T28] show_stack+0x2c/0x3c [ 571.437136][ T28] dump_stack_lvl+0x108/0x170 [ 571.438274][ T28] dump_stack+0x1c/0x58 [ 571.439390][ T28] panic+0x300/0x7fc [ 571.440296][ T28] hung_task_panic+0x0/0x2c [ 571.441428][ T28] kthread+0x250/0x2d8 [ 571.442465][ T28] ret_from_fork+0x10/0x20 [ 571.443588][ T28] SMP: stopping secondary CPUs [ 571.444833][ T28] Kernel Offset: disabled [ 571.445905][ T28] CPU features: 0x00000,02070084,26017203 [ 571.447378][ T28] Memory Limit: none [ 571.759842][ T28] Rebooting in 86400 seconds..