Warning: Permanently added '10.128.10.34' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 428.027649][ T29] INFO: task syz-executor353:6114 blocked for more than 143 seconds. [ 428.029850][ T29] Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 [ 428.031473][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.033867][ T29] task:syz-executor353 state:D stack:0 pid:6114 ppid:6109 flags:0x00000005 [ 428.036364][ T29] Call trace: [ 428.037412][ T29] __switch_to+0x314/0x560 [ 428.038526][ T29] __schedule+0x1364/0x23b4 [ 428.047538][ T29] schedule+0xc4/0x170 [ 428.048491][ T29] schedule_preempt_disabled+0x18/0x2c [ 428.049754][ T29] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 428.051101][ T29] down_write+0xb4/0xc0 [ 428.052061][ T29] blkdev_fallocate+0x1d4/0x574 [ 428.053182][ T29] vfs_fallocate+0x478/0x5b4 [ 428.054243][ T29] __arm64_sys_fallocate+0xc0/0x110 [ 428.055405][ T29] invoke_syscall+0x98/0x2b8 [ 428.056443][ T29] el0_svc_common+0x130/0x23c [ 428.061579][ T29] do_el0_svc+0x48/0x58 [ 428.062552][ T29] el0_svc+0x54/0x158 [ 428.063486][ T29] el0t_64_sync_handler+0x84/0xfc [ 428.064632][ T29] el0t_64_sync+0x190/0x194 [ 428.065721][ T29] INFO: task syz-executor353:6115 blocked for more than 143 seconds. [ 428.067602][ T29] Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 [ 428.069619][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.072146][ T29] task:syz-executor353 state:D stack:0 pid:6115 ppid:6112 flags:0x00000005 [ 428.074675][ T29] Call trace: [ 428.075794][ T29] __switch_to+0x314/0x560 [ 428.077310][ T29] __schedule+0x1364/0x23b4 [ 428.078855][ T29] schedule+0xc4/0x170 [ 428.079922][ T29] schedule_preempt_disabled+0x18/0x2c [ 428.081179][ T29] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 428.082511][ T29] down_write+0xb4/0xc0 [ 428.083572][ T29] blkdev_fallocate+0x1d4/0x574 [ 428.084644][ T29] vfs_fallocate+0x478/0x5b4 [ 428.085791][ T29] __arm64_sys_fallocate+0xc0/0x110 [ 428.087044][ T29] invoke_syscall+0x98/0x2b8 [ 428.088523][ T29] el0_svc_common+0x130/0x23c [ 428.090096][ T29] do_el0_svc+0x48/0x58 [ 428.091075][ T29] el0_svc+0x54/0x158 [ 428.091963][ T29] el0t_64_sync_handler+0x84/0xfc [ 428.093142][ T29] el0t_64_sync+0x190/0x194 [ 428.094197][ T29] INFO: task syz-executor353:6116 blocked for more than 143 seconds. [ 428.096033][ T29] Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 [ 428.098243][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.100785][ T29] task:syz-executor353 state:D stack:0 pid:6116 ppid:6113 flags:0x00000005 [ 428.103368][ T29] Call trace: [ 428.104449][ T29] __switch_to+0x314/0x560 [ 428.106043][ T29] __schedule+0x1364/0x23b4 [ 428.107692][ T29] schedule+0xc4/0x170 [ 428.109069][ T29] schedule_preempt_disabled+0x18/0x2c [ 428.110475][ T29] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 428.111915][ T29] down_write+0xb4/0xc0 [ 428.112959][ T29] blkdev_fallocate+0x1d4/0x574 [ 428.114200][ T29] vfs_fallocate+0x478/0x5b4 [ 428.115201][ T29] __arm64_sys_fallocate+0xc0/0x110 [ 428.116492][ T29] invoke_syscall+0x98/0x2b8 [ 428.117691][ T29] el0_svc_common+0x130/0x23c [ 428.119237][ T29] do_el0_svc+0x48/0x58 [ 428.120252][ T29] el0_svc+0x54/0x158 [ 428.121156][ T29] el0t_64_sync_handler+0x84/0xfc [ 428.122407][ T29] el0t_64_sync+0x190/0x194 [ 428.123539][ T29] [ 428.123539][ T29] Showing all locks held in the system: [ 428.125288][ T29] 1 lock held by khungtaskd/29: [ 428.126435][ T29] #0: ffff80008e513840 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 428.129317][ T29] 1 lock held by klogd/5692: [ 428.130872][ T29] 2 locks held by getty/5846: [ 428.132315][ T29] #0: ffff0000d78e80a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 428.134941][ T29] #1: ffff800094c102f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 428.137924][ T29] 1 lock held by syz-executor353/6111: [ 428.139236][ T29] #0: ffff0000c1484e58 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x574 [ 428.141772][ T29] 1 lock held by syz-executor353/6114: [ 428.143061][ T29] #0: ffff0000c1484e58 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x574 [ 428.145493][ T29] 1 lock held by syz-executor353/6115: [ 428.146742][ T29] #0: ffff0000c1484e58 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x574 [ 428.150006][ T29] 1 lock held by syz-executor353/6116: [ 428.151699][ T29] #0: ffff0000c1484e58 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x574 [ 428.154719][ T29] 1 lock held by syz-executor353/6123: [ 428.155914][ T29] #0: ffff0000c1484e58 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x574 [ 428.158415][ T29] 1 lock held by syz-executor353/6124: [ 428.159645][ T29] #0: ffff0000c1484e58 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x574 [ 428.162164][ T29] [ 428.162763][ T29] ============================================= [ 428.162763][ T29] [ 428.164640][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 428.166210][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 [ 428.168405][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 428.170787][ T29] Call trace: [ 428.171570][ T29] dump_backtrace+0x1b8/0x1e4 [ 428.172730][ T29] show_stack+0x2c/0x44 [ 428.173791][ T29] dump_stack_lvl+0xd0/0x124 [ 428.174948][ T29] dump_stack+0x1c/0x28 [ 428.175957][ T29] panic+0x2d0/0x7bc [ 428.176870][ T29] hung_task_panic+0x0/0x2c [ 428.177968][ T29] kthread+0x288/0x310 [ 428.178986][ T29] ret_from_fork+0x10/0x20 [ 428.180052][ T29] SMP: stopping secondary CPUs [ 428.181199][ T29] Kernel Offset: disabled [ 428.182230][ T29] CPU features: 0x0,00000020,70020046,21017203 [ 428.183760][ T29] Memory Limit: none [ 428.575453][ T29] Rebooting in 86400 seconds..