Warning: Permanently added '10.128.1.26' (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 [ 571.388531][ T29] INFO: task syz-executor983:6128 blocked for more than 143 seconds. [ 571.390831][ T29] Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 [ 571.392557][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.394691][ T29] task:syz-executor983 state:D stack:0 pid:6128 ppid:6124 flags:0x00000005 [ 571.397452][ T29] Call trace: [ 571.398778][ T29] __switch_to+0x314/0x560 [ 571.399878][ T29] __schedule+0x1364/0x23b4 [ 571.401395][ T29] schedule+0xc4/0x170 [ 571.402433][ T29] schedule_preempt_disabled+0x18/0x2c [ 571.403780][ T29] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 571.405216][ T29] down_write+0xb4/0xc0 [ 571.406275][ T29] blkdev_fallocate+0x1d4/0x574 [ 571.407494][ T29] vfs_fallocate+0x478/0x5b4 [ 571.408720][ T29] __arm64_sys_fallocate+0xc0/0x110 [ 571.410459][ T29] invoke_syscall+0x98/0x2b8 [ 571.411628][ T29] el0_svc_common+0x130/0x23c [ 571.412830][ T29] do_el0_svc+0x48/0x58 [ 571.413872][ T29] el0_svc+0x54/0x158 [ 571.414870][ T29] el0t_64_sync_handler+0x84/0xfc [ 571.416142][ T29] el0t_64_sync+0x190/0x194 [ 571.417282][ T29] INFO: task syz-executor983:6129 blocked for more than 143 seconds. [ 571.419396][ T29] Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 [ 571.421134][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.423283][ T29] task:syz-executor983 state:D stack:0 pid:6129 ppid:6127 flags:0x00000005 [ 571.425584][ T29] Call trace: [ 571.426401][ T29] __switch_to+0x314/0x560 [ 571.427485][ T29] __schedule+0x1364/0x23b4 [ 571.429087][ T29] schedule+0xc4/0x170 [ 571.430575][ T29] schedule_preempt_disabled+0x18/0x2c [ 571.432348][ T29] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 571.434183][ T29] down_write+0xb4/0xc0 [ 571.435214][ T29] blkdev_fallocate+0x1d4/0x574 [ 571.436420][ T29] vfs_fallocate+0x478/0x5b4 [ 571.437566][ T29] __arm64_sys_fallocate+0xc0/0x110 [ 571.438958][ T29] invoke_syscall+0x98/0x2b8 [ 571.440120][ T29] el0_svc_common+0x130/0x23c [ 571.441683][ T29] do_el0_svc+0x48/0x58 [ 571.443151][ T29] el0_svc+0x54/0x158 [ 571.444574][ T29] el0t_64_sync_handler+0x84/0xfc [ 571.446274][ T29] el0t_64_sync+0x190/0x194 [ 571.447804][ T29] INFO: task syz-executor983:6136 blocked for more than 143 seconds. [ 571.450362][ T29] Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 [ 571.452554][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.455139][ T29] task:syz-executor983 state:D stack:0 pid:6136 ppid:6118 flags:0x00000005 [ 571.457466][ T29] Call trace: [ 571.458306][ T29] __switch_to+0x314/0x560 [ 571.459508][ T29] __schedule+0x1364/0x23b4 [ 571.460733][ T29] schedule+0xc4/0x170 [ 571.461823][ T29] schedule_preempt_disabled+0x18/0x2c [ 571.463274][ T29] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 571.464728][ T29] down_write+0xb4/0xc0 [ 571.465808][ T29] blkdev_fallocate+0x1d4/0x574 [ 571.467067][ T29] vfs_fallocate+0x478/0x5b4 [ 571.468213][ T29] __arm64_sys_fallocate+0xc0/0x110 [ 571.470136][ T29] invoke_syscall+0x98/0x2b8 [ 571.471760][ T29] el0_svc_common+0x130/0x23c [ 571.472966][ T29] do_el0_svc+0x48/0x58 [ 571.474407][ T29] el0_svc+0x54/0x158 [ 571.475787][ T29] el0t_64_sync_handler+0x84/0xfc [ 571.477484][ T29] el0t_64_sync+0x190/0x194 [ 571.479105][ T29] [ 571.479105][ T29] Showing all locks held in the system: [ 571.481590][ T29] 1 lock held by khungtaskd/29: [ 571.483172][ T29] #0: ffff80008e513840 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 571.485571][ T29] 1 lock held by klogd/5698: [ 571.486721][ T29] 2 locks held by getty/5849: [ 571.487903][ T29] #0: ffff0000d28d60a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 571.490427][ T29] #1: ffff800094c002f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 571.492971][ T29] 1 lock held by syz-executor983/6126: [ 571.494328][ T29] 1 lock held by syz-executor983/6128: [ 571.495676][ T29] #0: ffff0000c15242d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x574 [ 571.498967][ T29] 1 lock held by syz-executor983/6129: [ 571.500769][ T29] #0: ffff0000c15242d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x574 [ 571.503916][ T29] 1 lock held by syz-executor983/6136: [ 571.505689][ T29] #0: ffff0000c15242d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x574 [ 571.508859][ T29] 1 lock held by syz-executor983/6138: [ 571.510230][ T29] #0: ffff0000c15242d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x574 [ 571.513344][ T29] 1 lock held by syz-executor983/6145: [ 571.515115][ T29] #0: ffff0000c15242d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x574 [ 571.518552][ T29] [ 571.519139][ T29] ============================================= [ 571.519139][ T29] [ 571.521193][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 571.522873][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 [ 571.525160][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 571.527598][ T29] Call trace: [ 571.528401][ T29] dump_backtrace+0x1b8/0x1e4 [ 571.529594][ T29] show_stack+0x2c/0x44 [ 571.530639][ T29] dump_stack_lvl+0xd0/0x124 [ 571.531818][ T29] dump_stack+0x1c/0x28 [ 571.532872][ T29] panic+0x2d0/0x7bc [ 571.533861][ T29] hung_task_panic+0x0/0x2c [ 571.535061][ T29] kthread+0x288/0x310 [ 571.536121][ T29] ret_from_fork+0x10/0x20 [ 571.537287][ T29] SMP: stopping secondary CPUs [ 571.538544][ T29] Kernel Offset: disabled [ 571.539690][ T29] CPU features: 0x0,00000020,70020046,21017203 [ 571.541302][ T29] Memory Limit: none [ 571.934226][ T29] Rebooting in 86400 seconds..