Warning: Permanently added '10.128.0.18' (ECDSA) to the list of known hosts. executing program [ 714.726280][ T27] INFO: task syslogd:2546 blocked for more than 143 seconds. [ 714.728244][ T27] Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 714.730166][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.732404][ T27] task:syslogd state:D stack: 0 pid: 2546 ppid: 1 flags:0x00000000 [ 714.734796][ T27] Call trace: [ 714.735632][ T27] __switch_to+0x180/0x298 [ 714.736822][ T27] __schedule+0x414/0x5a0 [ 714.737930][ T27] schedule+0x64/0xa4 [ 714.738947][ T27] rwsem_down_read_slowpath+0x228/0x444 [ 714.740376][ T27] __down_read_common+0x48/0x154 [ 714.741628][ T27] down_read+0x68/0x78 [ 714.742640][ T27] lookup_slow+0x34/0x68 [ 714.743725][ T27] link_path_walk+0x474/0x628 [ 714.744932][ T27] path_openat+0xb8/0x11c4 [ 714.746035][ T27] do_filp_open+0xdc/0x1b8 [ 714.747224][ T27] do_sys_openat2+0xb8/0x22c [ 714.748395][ T27] __arm64_sys_openat+0xb0/0xe0 [ 714.749627][ T27] el0_svc_common+0x138/0x220 [ 714.750794][ T27] do_el0_svc+0x48/0x164 [ 714.751870][ T27] el0_svc+0x58/0x150 [ 714.752889][ T27] el0t_64_sync_handler+0x84/0xf0 [ 714.754177][ T27] el0t_64_sync+0x18c/0x190 [ 714.755339][ T27] INFO: task syz-executor428:3073 blocked for more than 143 seconds. [ 714.757461][ T27] Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 714.759355][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.761710][ T27] task:syz-executor428 state:D stack: 0 pid: 3073 ppid: 3071 flags:0x00000000 [ 714.764065][ T27] Call trace: [ 714.764890][ T27] __switch_to+0x180/0x298 [ 714.766005][ T27] __schedule+0x414/0x5a0 [ 714.767165][ T27] schedule+0x64/0xa4 [ 714.768185][ T27] rwsem_down_read_slowpath+0x228/0x444 [ 714.769612][ T27] __down_read_common+0x48/0x154 [ 714.770863][ T27] down_read+0x68/0x78 [ 714.771876][ T27] lookup_slow+0x34/0x68 [ 714.773100][ T27] link_path_walk+0x474/0x628 [ 714.774289][ T27] path_openat+0xb8/0x11c4 [ 714.775412][ T27] do_filp_open+0xdc/0x1b8 [ 714.776576][ T27] do_sys_openat2+0xb8/0x22c [ 714.777740][ T27] __arm64_sys_openat+0xb0/0xe0 [ 714.779015][ T27] el0_svc_common+0x138/0x220 [ 714.780185][ T27] do_el0_svc+0x48/0x164 [ 714.781246][ T27] el0_svc+0x58/0x150 [ 714.782235][ T27] el0t_64_sync_handler+0x84/0xf0 [ 714.783466][ T27] el0t_64_sync+0x18c/0x190 [ 714.784576][ T27] INFO: task syz-executor428:3075 blocked for more than 143 seconds. [ 714.786682][ T27] Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 714.788578][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.790954][ T27] task:syz-executor428 state:D stack: 0 pid: 3075 ppid: 3073 flags:0x00000001 [ 714.793384][ T27] Call trace: [ 714.794258][ T27] __switch_to+0x180/0x298 [ 714.795359][ T27] __schedule+0x414/0x5a0 [ 714.796510][ T27] schedule+0x64/0xa4 [ 714.797523][ T27] schedule_preempt_disabled+0x18/0x2c [ 714.798909][ T27] __mutex_lock_common+0x788/0xca8 [ 714.800183][ T27] mutex_lock_nested+0x38/0x44 [ 714.801367][ T27] fuse_lock_inode+0x50/0x70 [ 714.802509][ T27] fuse_lookup+0x74/0x274 [ 714.803609][ T27] __lookup_slow+0x14c/0x204 [ 714.804743][ T27] lookup_slow+0x44/0x68 [ 714.805801][ T27] link_path_walk+0x474/0x628 [ 714.807050][ T27] path_openat+0xb8/0x11c4 [ 714.808178][ T27] do_filp_open+0xdc/0x1b8 [ 714.809273][ T27] do_sys_openat2+0xb8/0x22c [ 714.810459][ T27] __arm64_sys_openat+0xb0/0xe0 [ 714.811680][ T27] el0_svc_common+0x138/0x220 [ 714.812883][ T27] do_el0_svc+0x48/0x164 [ 714.813873][ T27] el0_svc+0x58/0x150 [ 714.814895][ T27] el0t_64_sync_handler+0x84/0xf0 [ 714.816143][ T27] el0t_64_sync+0x18c/0x190 [ 714.817324][ T27] INFO: task syz-executor428:3077 blocked for more than 143 seconds. [ 714.819342][ T27] Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 714.821250][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.823480][ T27] task:syz-executor428 state:D stack: 0 pid: 3077 ppid: 3073 flags:0x00000001 [ 714.825821][ T27] Call trace: [ 714.826683][ T27] __switch_to+0x180/0x298 [ 714.827813][ T27] __schedule+0x414/0x5a0 [ 714.828993][ T27] schedule+0x64/0xa4 [ 714.830051][ T27] rwsem_down_write_slowpath+0x258/0x468 [ 714.831484][ T27] down_write_nested+0x90/0xd8 [ 714.832706][ T27] fuse_reverse_inval_entry+0x58/0x3c4 [ 714.834290][ T27] fuse_dev_do_write+0x1208/0x1544 [ 714.835584][ T27] fuse_dev_write+0x78/0xc0 [ 714.836764][ T27] vfs_write+0x2dc/0x46c [ 714.837822][ T27] ksys_write+0xb4/0x160 [ 714.838917][ T27] __arm64_sys_write+0x24/0x34 [ 714.840117][ T27] el0_svc_common+0x138/0x220 [ 714.841311][ T27] do_el0_svc+0x48/0x164 [ 714.842374][ T27] el0_svc+0x58/0x150 [ 714.843558][ T27] el0t_64_sync_handler+0x84/0xf0 [ 714.844859][ T27] el0t_64_sync+0x18c/0x190 [ 714.845987][ T27] [ 714.845987][ T27] Showing all locks held in the system: [ 714.848001][ T27] 1 lock held by rcu_tasks_kthre/11: [ 714.849493][ T27] #0: ffff80000d433568 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 [ 714.852121][ T27] 1 lock held by rcu_tasks_trace/12: [ 714.853478][ T27] #0: ffff80000d433bb8 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 [ 714.856335][ T27] 1 lock held by khungtaskd/27: [ 714.857551][ T27] #0: ffff80000d433440 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 [ 714.859934][ T27] 1 lock held by syslogd/2546: [ 714.861122][ T27] #0: ffff0000c9e48150 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: lookup_slow+0x34/0x68 [ 714.863800][ T27] 2 locks held by udevd/2561: [ 714.864974][ T27] #0: ffff0000c9e48150 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: lookup_slow+0x34/0x68 [ 714.867591][ T27] #1: ffff0000c9e485b8 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0x50/0x70 [ 714.869920][ T27] 2 locks held by getty/2711: [ 714.871087][ T27] #0: ffff0000c62cb898 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 [ 714.873794][ T27] #1: ffff80000f6162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x89c [ 714.876485][ T27] 1 lock held by syz-executor428/3073: [ 714.877909][ T27] #0: ffff0000c9e48150 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: lookup_slow+0x34/0x68 [ 714.880450][ T27] 2 locks held by syz-executor428/3075: [ 714.881841][ T27] #0: ffff0000c9e48150 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: lookup_slow+0x34/0x68 [ 714.884510][ T27] #1: ffff0000c9e485b8 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0x50/0x70 [ 714.886929][ T27] 2 locks held by syz-executor428/3077: [ 714.888350][ T27] #0: ffff0000ca1f2738 (&fc->killsb){.+.+}-{3:3}, at: fuse_dev_do_write+0x11f8/0x1544 [ 714.890838][ T27] #1: ffff0000c9e48150 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: fuse_reverse_inval_entry+0x58/0x3c4 [ 714.893796][ T27] [ 714.894366][ T27] ============================================= [ 714.894366][ T27] [ 714.896513][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 714.898274][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 714.900737][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 714.903293][ T27] Call trace: [ 714.904067][ T27] dump_backtrace+0x1c4/0x1f0 [ 714.905256][ T27] show_stack+0x2c/0x54 [ 714.906295][ T27] dump_stack_lvl+0x104/0x16c [ 714.907684][ T27] dump_stack+0x1c/0x58 [ 714.908752][ T27] panic+0x218/0x50c [ 714.909732][ T27] hung_task_panic+0x0/0x2c [ 714.910924][ T27] kthread+0x12c/0x158 [ 714.911988][ T27] ret_from_fork+0x10/0x20 [ 714.913365][ T27] SMP: stopping secondary CPUs [ 714.914651][ T27] Kernel Offset: disabled [ 714.915755][ T27] CPU features: 0x00000,02070084,26017203 [ 714.917222][ T27] Memory Limit: none [ 715.066978][ T27] Rebooting in 86400 seconds..