Warning: Permanently added '10.128.1.173' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 714.727199][ T28] INFO: task syz-executor313:5970 blocked for more than 143 seconds. [ 714.729276][ T28] Not tainted 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0 [ 714.731019][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.733074][ T28] task:syz-executor313 state:D stack:0 pid:5970 ppid:5965 flags:0x00000001 [ 714.735307][ T28] Call trace: [ 714.736144][ T28] __switch_to+0x320/0x754 [ 714.737677][ T28] __schedule+0x103c/0x1e2c [ 714.738745][ T28] schedule+0xc4/0x170 [ 714.739842][ T28] schedule_preempt_disabled+0x18/0x2c [ 714.741212][ T28] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 714.742735][ T28] down_write+0xb4/0xc0 [ 714.743843][ T28] blkdev_fallocate+0x1d4/0x340 [ 714.745051][ T28] vfs_fallocate+0x478/0x5b4 [ 714.746215][ T28] __arm64_sys_fallocate+0xc0/0x110 [ 714.747534][ T28] invoke_syscall+0x98/0x2c0 [ 714.749114][ T28] el0_svc_common+0x138/0x258 [ 714.750611][ T28] do_el0_svc+0x64/0x198 [ 714.752062][ T28] el0_svc+0x4c/0x15c [ 714.753388][ T28] el0t_64_sync_handler+0x84/0xf0 [ 714.754979][ T28] el0t_64_sync+0x190/0x194 [ 714.756104][ T28] INFO: task syz-executor313:5971 blocked for more than 143 seconds. [ 714.758086][ T28] Not tainted 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0 [ 714.759798][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.762254][ T28] task:syz-executor313 state:D stack:0 pid:5971 ppid:5962 flags:0x00000001 [ 714.764608][ T28] Call trace: [ 714.765479][ T28] __switch_to+0x320/0x754 [ 714.766538][ T28] __schedule+0x103c/0x1e2c [ 714.768159][ T28] schedule+0xc4/0x170 [ 714.769525][ T28] schedule_preempt_disabled+0x18/0x2c [ 714.771232][ T28] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 714.773025][ T28] down_write+0xb4/0xc0 [ 714.774446][ T28] blkdev_fallocate+0x1d4/0x340 [ 714.776044][ T28] vfs_fallocate+0x478/0x5b4 [ 714.777638][ T28] __arm64_sys_fallocate+0xc0/0x110 [ 714.778931][ T28] invoke_syscall+0x98/0x2c0 [ 714.780074][ T28] el0_svc_common+0x138/0x258 [ 714.781223][ T28] do_el0_svc+0x64/0x198 [ 714.782304][ T28] el0_svc+0x4c/0x15c [ 714.783288][ T28] el0t_64_sync_handler+0x84/0xf0 [ 714.784864][ T28] el0t_64_sync+0x190/0x194 [ 714.786090][ T28] INFO: task syz-executor313:5973 blocked for more than 143 seconds. [ 714.788115][ T28] Not tainted 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0 [ 714.789978][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.792207][ T28] task:syz-executor313 state:D stack:0 pid:5973 ppid:5961 flags:0x00000001 [ 714.794599][ T28] Call trace: [ 714.795394][ T28] __switch_to+0x320/0x754 [ 714.796485][ T28] __schedule+0x103c/0x1e2c [ 714.797624][ T28] schedule+0xc4/0x170 [ 714.799081][ T28] schedule_preempt_disabled+0x18/0x2c [ 714.800812][ T28] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 714.802559][ T28] down_write+0xb4/0xc0 [ 714.803910][ T28] blkdev_fallocate+0x1d4/0x340 [ 714.805474][ T28] vfs_fallocate+0x478/0x5b4 [ 714.806990][ T28] __arm64_sys_fallocate+0xc0/0x110 [ 714.808801][ T28] invoke_syscall+0x98/0x2c0 [ 714.809934][ T28] el0_svc_common+0x138/0x258 [ 714.811134][ T28] do_el0_svc+0x64/0x198 [ 714.812195][ T28] el0_svc+0x4c/0x15c [ 714.813185][ T28] el0t_64_sync_handler+0x84/0xf0 [ 714.814423][ T28] el0t_64_sync+0x190/0x194 [ 714.815892][ T28] [ 714.815892][ T28] Showing all locks held in the system: [ 714.818289][ T28] 1 lock held by rcu_tasks_kthre/12: [ 714.819949][ T28] #0: ffff800015f3f4d0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 714.823026][ T28] 1 lock held by rcu_tasks_trace/13: [ 714.824661][ T28] #0: ffff800015f3fcd0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 714.838027][ T28] 1 lock held by khungtaskd/28: [ 714.839293][ T28] #0: ffff800015f3f300 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 714.841615][ T28] 4 locks held by syslogd/5532: [ 714.842819][ T28] 1 lock held by klogd/5536: [ 714.843965][ T28] 2 locks held by getty/5689: [ 714.845108][ T28] #0: ffff0000d48e7098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 714.867693][ T28] #1: ffff80001acc02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1210 [ 714.870418][ T28] 1 lock held by syz-executor313/5968: [ 714.871814][ T28] 1 lock held by syz-executor313/5970: [ 714.873212][ T28] #0: ffff0000c1544ad8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x340 [ 714.875943][ T28] 1 lock held by syz-executor313/5971: [ 714.886698][ T28] #0: ffff0000c1544ad8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x340 [ 714.889517][ T28] 1 lock held by syz-executor313/5973: [ 714.890948][ T28] #0: ffff0000c1544ad8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x340 [ 714.893757][ T28] 1 lock held by syz-executor313/5980: [ 714.895209][ T28] #0: ffff0000c1544ad8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x340 [ 714.897917][ T28] 1 lock held by syz-executor313/5982: [ 714.899600][ T28] #0: ffff0000c1544ad8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x340 [ 714.902634][ T28] [ 714.903563][ T28] ============================================= [ 714.903563][ T28] [ 714.905965][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 714.907839][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0 [ 714.910126][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 714.912545][ T28] Call trace: [ 714.913365][ T28] dump_backtrace+0x1b8/0x1e4 [ 714.914481][ T28] show_stack+0x2c/0x44 [ 714.915484][ T28] dump_stack_lvl+0xd0/0x124 [ 714.916630][ T28] dump_stack+0x1c/0x28 [ 714.917677][ T28] panic+0x2e0/0x7b8 [ 714.918611][ T28] hung_task_panic+0x0/0x2c [ 714.919730][ T28] kthread+0x250/0x2d8 [ 714.920733][ T28] ret_from_fork+0x10/0x20 [ 714.921786][ T28] SMP: stopping secondary CPUs [ 714.922901][ T28] Kernel Offset: disabled [ 714.923977][ T28] CPU features: 0x000000,20700402,32017203 [ 714.925384][ T28] Memory Limit: none [ 715.252577][ T28] Rebooting in 86400 seconds..