Warning: Permanently added '10.128.1.156' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 571.375026][ T28] INFO: task syz-executor139:6020 blocked for more than 143 seconds. [ 571.377294][ T28] Not tainted 6.5.0-rc7-syzkaller-gfe4469582053 #0 [ 571.379130][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.381380][ T28] task:syz-executor139 state:D stack:0 pid:6020 ppid:6010 flags:0x00000005 [ 571.383874][ T28] Call trace: [ 571.384676][ T28] __switch_to+0x320/0x754 [ 571.386460][ T28] __schedule+0x1364/0x23b4 [ 571.387614][ T28] schedule+0xc4/0x170 [ 571.388653][ T28] schedule_preempt_disabled+0x18/0x2c [ 571.390006][ T28] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 571.391501][ T28] down_write+0xb4/0xc0 [ 571.392593][ T28] blkdev_fallocate+0x1dc/0x3cc [ 571.393880][ T28] vfs_fallocate+0x478/0x5b4 [ 571.395158][ T28] __arm64_sys_fallocate+0xc0/0x110 [ 571.396583][ T28] invoke_syscall+0x98/0x2b8 [ 571.397744][ T28] el0_svc_common+0x130/0x23c [ 571.398935][ T28] do_el0_svc+0x48/0x58 [ 571.399949][ T28] el0_svc+0x58/0x16c [ 571.400951][ T28] el0t_64_sync_handler+0x84/0xfc [ 571.402267][ T28] el0t_64_sync+0x190/0x194 [ 571.403450][ T28] INFO: task syz-executor139:6027 blocked for more than 143 seconds. [ 571.405643][ T28] Not tainted 6.5.0-rc7-syzkaller-gfe4469582053 #0 [ 571.407486][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.409746][ T28] task:syz-executor139 state:D stack:0 pid:6027 ppid:6009 flags:0x00000005 [ 571.412146][ T28] Call trace: [ 571.412972][ T28] __switch_to+0x320/0x754 [ 571.414120][ T28] __schedule+0x1364/0x23b4 [ 571.415380][ T28] schedule+0xc4/0x170 [ 571.416483][ T28] schedule_preempt_disabled+0x18/0x2c [ 571.417907][ T28] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 571.419859][ T28] down_write+0xb4/0xc0 [ 571.421322][ T28] blkdev_fallocate+0x1dc/0x3cc [ 571.422989][ T28] vfs_fallocate+0x478/0x5b4 [ 571.424592][ T28] __arm64_sys_fallocate+0xc0/0x110 [ 571.426382][ T28] invoke_syscall+0x98/0x2b8 [ 571.427976][ T28] el0_svc_common+0x130/0x23c [ 571.429532][ T28] do_el0_svc+0x48/0x58 [ 571.431001][ T28] el0_svc+0x58/0x16c [ 571.432017][ T28] el0t_64_sync_handler+0x84/0xfc [ 571.433393][ T28] el0t_64_sync+0x190/0x194 [ 571.434561][ T28] INFO: task syz-executor139:6028 blocked for more than 143 seconds. [ 571.436712][ T28] Not tainted 6.5.0-rc7-syzkaller-gfe4469582053 #0 [ 571.438916][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.441563][ T28] task:syz-executor139 state:D stack:0 pid:6028 ppid:6012 flags:0x00000005 [ 571.444318][ T28] Call trace: [ 571.445564][ T28] __switch_to+0x320/0x754 [ 571.447074][ T28] __schedule+0x1364/0x23b4 [ 571.448651][ T28] schedule+0xc4/0x170 [ 571.450055][ T28] schedule_preempt_disabled+0x18/0x2c [ 571.451883][ T28] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 571.453319][ T28] down_write+0xb4/0xc0 [ 571.454454][ T28] blkdev_fallocate+0x1dc/0x3cc [ 571.455821][ T28] vfs_fallocate+0x478/0x5b4 [ 571.456960][ T28] __arm64_sys_fallocate+0xc0/0x110 [ 571.458192][ T28] invoke_syscall+0x98/0x2b8 [ 571.459731][ T28] el0_svc_common+0x130/0x23c [ 571.461426][ T28] do_el0_svc+0x48/0x58 [ 571.462860][ T28] el0_svc+0x58/0x16c [ 571.464280][ T28] el0t_64_sync_handler+0x84/0xfc [ 571.466103][ T28] el0t_64_sync+0x190/0x194 [ 571.467778][ T28] [ 571.467778][ T28] Showing all locks held in the system: [ 571.470163][ T28] 1 lock held by rcu_tasks_kthre/13: [ 571.471955][ T28] #0: ffff80008e2718d0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 571.474685][ T28] 1 lock held by rcu_tasks_trace/14: [ 571.476223][ T28] #0: ffff80008e271c90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 571.479339][ T28] 1 lock held by khungtaskd/28: [ 571.480597][ T28] #0: ffff80008e271700 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 571.483517][ T28] 1 lock held by klogd/5596: [ 571.485164][ T28] 2 locks held by getty/5750: [ 571.486810][ T28] #0: ffff0000d97b0098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 571.489656][ T28] #1: ffff8000959122f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 571.492740][ T28] 1 lock held by syz-executor139/6019: [ 571.494562][ T28] 1 lock held by syz-executor139/6020: [ 571.496467][ T28] #0: ffff0000c153ce60 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1dc/0x3cc [ 571.499279][ T28] 1 lock held by syz-executor139/6027: [ 571.500690][ T28] #0: ffff0000c153ce60 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1dc/0x3cc [ 571.503865][ T28] 1 lock held by syz-executor139/6028: [ 571.505713][ T28] #0: ffff0000c153ce60 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1dc/0x3cc [ 571.508938][ T28] 1 lock held by syz-executor139/6035: [ 571.510753][ T28] #0: ffff0000c153ce60 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1dc/0x3cc [ 571.513977][ T28] 1 lock held by syz-executor139/6037: [ 571.515855][ T28] #0: ffff0000c153ce60 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1dc/0x3cc [ 571.519143][ T28] [ 571.520113][ T28] ============================================= [ 571.520113][ T28] [ 571.522335][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 571.524072][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc7-syzkaller-gfe4469582053 #0 [ 571.526566][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 571.529261][ T28] Call trace: [ 571.530162][ T28] dump_backtrace+0x1b8/0x1e4 [ 571.531420][ T28] show_stack+0x2c/0x44 [ 571.532493][ T28] dump_stack_lvl+0xd0/0x124 [ 571.533699][ T28] dump_stack+0x1c/0x28 [ 571.534846][ T28] panic+0x2d0/0x7b4 [ 571.535905][ T28] hung_task_panic+0x0/0x2c [ 571.537128][ T28] kthread+0x288/0x310 [ 571.538208][ T28] ret_from_fork+0x10/0x20 [ 571.539382][ T28] SMP: stopping secondary CPUs [ 571.540618][ T28] Kernel Offset: disabled [ 571.541777][ T28] CPU features: 0x00000010,38010021,88017203 [ 571.543320][ T28] Memory Limit: none [ 571.904285][ T28] Rebooting in 86400 seconds..