Warning: Permanently added '10.128.10.7' (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 [ 571.373691][ T29] INFO: task syz-executor856:6128 blocked for more than 143 seconds. [ 571.375474][ T29] Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 [ 571.376997][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.379355][ T29] task:syz-executor856 state:D stack:0 pid:6128 tgid:6128 ppid:6125 flags:0x00000005 [ 571.381673][ T29] Call trace: [ 571.382413][ T29] __switch_to+0x314/0x560 [ 571.383393][ T29] __schedule+0x1354/0x2360 [ 571.385078][ T29] schedule+0xb8/0x19c [ 571.385990][ T29] schedule_preempt_disabled+0x18/0x2c [ 571.387538][ T29] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 571.393567][ T29] down_write+0xb4/0xc0 [ 571.394867][ T29] blkdev_fallocate+0x1d8/0x4b8 [ 571.396319][ T29] vfs_fallocate+0x478/0x5b4 [ 571.397666][ T29] __arm64_sys_fallocate+0xc0/0x110 [ 571.399149][ T29] invoke_syscall+0x98/0x2b8 [ 571.400163][ T29] el0_svc_common+0x130/0x23c [ 571.401174][ T29] do_el0_svc+0x48/0x58 [ 571.402140][ T29] el0_svc+0x54/0x158 [ 571.403004][ T29] el0t_64_sync_handler+0x84/0xfc [ 571.409219][ T29] el0t_64_sync+0x190/0x194 [ 571.410262][ T29] INFO: task syz-executor856:6136 blocked for more than 143 seconds. [ 571.411973][ T29] Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 [ 571.413753][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.415672][ T29] task:syz-executor856 state:D stack:0 pid:6136 tgid:6136 ppid:6121 flags:0x00000005 [ 571.418373][ T29] Call trace: [ 571.419468][ T29] __switch_to+0x314/0x560 [ 571.420798][ T29] __schedule+0x1354/0x2360 [ 571.422143][ T29] schedule+0xb8/0x19c [ 571.423401][ T29] schedule_preempt_disabled+0x18/0x2c [ 571.424998][ T29] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 571.426717][ T29] down_write+0xb4/0xc0 [ 571.428015][ T29] blkdev_fallocate+0x1d8/0x4b8 [ 571.429140][ T29] vfs_fallocate+0x478/0x5b4 [ 571.430131][ T29] __arm64_sys_fallocate+0xc0/0x110 [ 571.431295][ T29] invoke_syscall+0x98/0x2b8 [ 571.432345][ T29] el0_svc_common+0x130/0x23c [ 571.433414][ T29] do_el0_svc+0x48/0x58 [ 571.434725][ T29] el0_svc+0x54/0x158 [ 571.435910][ T29] el0t_64_sync_handler+0x84/0xfc [ 571.437435][ T29] el0t_64_sync+0x190/0x194 [ 571.438527][ T29] INFO: task syz-executor856:6138 blocked for more than 143 seconds. [ 571.440485][ T29] Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 [ 571.442160][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.444416][ T29] task:syz-executor856 state:D stack:0 pid:6138 tgid:6138 ppid:6118 flags:0x00000005 [ 571.447012][ T29] Call trace: [ 571.448056][ T29] __switch_to+0x314/0x560 [ 571.449458][ T29] __schedule+0x1354/0x2360 [ 571.450813][ T29] schedule+0xb8/0x19c [ 571.451753][ T29] schedule_preempt_disabled+0x18/0x2c [ 571.452981][ T29] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 571.454399][ T29] down_write+0xb4/0xc0 [ 571.455398][ T29] blkdev_fallocate+0x1d8/0x4b8 [ 571.456546][ T29] vfs_fallocate+0x478/0x5b4 [ 571.457664][ T29] __arm64_sys_fallocate+0xc0/0x110 [ 571.458915][ T29] invoke_syscall+0x98/0x2b8 [ 571.459921][ T29] el0_svc_common+0x130/0x23c [ 571.461075][ T29] do_el0_svc+0x48/0x58 [ 571.461999][ T29] el0_svc+0x54/0x158 [ 571.462979][ T29] el0t_64_sync_handler+0x84/0xfc [ 571.464509][ T29] el0t_64_sync+0x190/0x194 [ 571.465929][ T29] [ 571.465929][ T29] Showing all locks held in the system: [ 571.468119][ T29] 1 lock held by khungtaskd/29: [ 571.469522][ T29] #0: ffff80008e6c48c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 571.472068][ T29] 1 lock held by klogd/5705: [ 571.473584][ T29] 2 locks held by getty/5861: [ 571.475024][ T29] #0: ffff0000d284b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 571.477664][ T29] #1: ffff800094e402f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 [ 571.480062][ T29] 1 lock held by syz-executor856/6128: [ 571.481294][ T29] #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 [ 571.483881][ T29] 1 lock held by syz-executor856/6129: [ 571.485118][ T29] 1 lock held by syz-executor856/6136: [ 571.486321][ T29] #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 [ 571.488655][ T29] 1 lock held by syz-executor856/6138: [ 571.490242][ T29] #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 [ 571.493245][ T29] 1 lock held by syz-executor856/6145: [ 571.494836][ T29] #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 [ 571.497748][ T29] 1 lock held by syz-executor856/6146: [ 571.499281][ T29] #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 [ 571.503561][ T29] [ 571.504074][ T29] ============================================= [ 571.504074][ T29] [ 571.506293][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 571.507849][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 [ 571.509932][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 571.512223][ T29] Call trace: [ 571.512951][ T29] dump_backtrace+0x1b8/0x1e4 [ 571.514045][ T29] show_stack+0x2c/0x3c [ 571.515049][ T29] dump_stack_lvl+0xd0/0x124 [ 571.516082][ T29] dump_stack+0x1c/0x28 [ 571.517066][ T29] panic+0x30c/0x88c [ 571.517948][ T29] hung_task_panic+0x0/0x2c [ 571.518935][ T29] kthread+0x288/0x310 [ 571.519881][ T29] ret_from_fork+0x10/0x20 [ 571.520845][ T29] SMP: stopping secondary CPUs [ 571.521936][ T29] Kernel Offset: disabled [ 571.522966][ T29] CPU features: 0x0,00000020,7002004a,21017203 [ 571.524430][ T29] Memory Limit: none [ 571.912837][ T29] Rebooting in 86400 seconds..