Warning: Permanently added '10.128.0.70' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 428.066458][ T29] INFO: task syz-executor134:6118 blocked for more than 143 seconds. [ 428.068703][ T29] Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 [ 428.070489][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.072672][ T29] task:syz-executor134 state:D stack:0 pid:6118 ppid:6113 flags:0x00000005 [ 428.075524][ T29] Call trace: [ 428.077206][ T29] __switch_to+0x314/0x560 [ 428.078802][ T29] __schedule+0x1364/0x23b4 [ 428.080338][ T29] schedule+0xc4/0x170 [ 428.081753][ T29] schedule_preempt_disabled+0x18/0x2c [ 428.083201][ T29] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 428.084641][ T29] down_write+0xb4/0xc0 [ 428.085758][ T29] blkdev_fallocate+0x1d4/0x574 [ 428.087105][ T29] vfs_fallocate+0x478/0x5b4 [ 428.088279][ T29] __arm64_sys_fallocate+0xc0/0x110 [ 428.089613][ T29] invoke_syscall+0x98/0x2b8 [ 428.090770][ T29] el0_svc_common+0x130/0x23c [ 428.091958][ T29] do_el0_svc+0x48/0x58 [ 428.092991][ T29] el0_svc+0x54/0x158 [ 428.094005][ T29] el0t_64_sync_handler+0x84/0xfc [ 428.095312][ T29] el0t_64_sync+0x190/0x194 [ 428.096496][ T29] INFO: task syz-executor134:6119 blocked for more than 143 seconds. [ 428.098986][ T29] Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 [ 428.101153][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.103884][ T29] task:syz-executor134 state:D stack:0 pid:6119 ppid:6116 flags:0x00000005 [ 428.106328][ T29] Call trace: [ 428.107170][ T29] __switch_to+0x314/0x560 [ 428.108330][ T29] __schedule+0x1364/0x23b4 [ 428.109433][ T29] schedule+0xc4/0x170 [ 428.110487][ T29] schedule_preempt_disabled+0x18/0x2c [ 428.112277][ T29] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 428.113705][ T29] down_write+0xb4/0xc0 [ 428.114858][ T29] blkdev_fallocate+0x1d4/0x574 [ 428.116069][ T29] vfs_fallocate+0x478/0x5b4 [ 428.117679][ T29] __arm64_sys_fallocate+0xc0/0x110 [ 428.119427][ T29] invoke_syscall+0x98/0x2b8 [ 428.121028][ T29] el0_svc_common+0x130/0x23c [ 428.122667][ T29] do_el0_svc+0x48/0x58 [ 428.124130][ T29] el0_svc+0x54/0x158 [ 428.125520][ T29] el0t_64_sync_handler+0x84/0xfc [ 428.127285][ T29] el0t_64_sync+0x190/0x194 [ 428.128435][ T29] INFO: task syz-executor134:6120 blocked for more than 143 seconds. [ 428.130425][ T29] Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 [ 428.132221][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.134352][ T29] task:syz-executor134 state:D stack:0 pid:6120 ppid:6117 flags:0x00000005 [ 428.136755][ T29] Call trace: [ 428.137583][ T29] __switch_to+0x314/0x560 [ 428.138716][ T29] __schedule+0x1364/0x23b4 [ 428.140264][ T29] schedule+0xc4/0x170 [ 428.141695][ T29] schedule_preempt_disabled+0x18/0x2c [ 428.143050][ T29] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 428.144498][ T29] down_write+0xb4/0xc0 [ 428.145938][ T29] blkdev_fallocate+0x1d4/0x574 [ 428.147716][ T29] vfs_fallocate+0x478/0x5b4 [ 428.149252][ T29] __arm64_sys_fallocate+0xc0/0x110 [ 428.150962][ T29] invoke_syscall+0x98/0x2b8 [ 428.152531][ T29] el0_svc_common+0x130/0x23c [ 428.154121][ T29] do_el0_svc+0x48/0x58 [ 428.155193][ T29] el0_svc+0x54/0x158 [ 428.156235][ T29] el0t_64_sync_handler+0x84/0xfc [ 428.157547][ T29] el0t_64_sync+0x190/0x194 [ 428.158718][ T29] [ 428.158718][ T29] Showing all locks held in the system: [ 428.160687][ T29] 1 lock held by khungtaskd/29: [ 428.161904][ T29] #0: ffff80008e513840 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 428.164286][ T29] 1 lock held by klogd/5696: [ 428.165442][ T29] 2 locks held by getty/5849: [ 428.166693][ T29] #0: ffff0000d246f0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 428.169545][ T29] #1: ffff800094c402f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 428.172618][ T29] 1 lock held by syz-executor134/6115: [ 428.174362][ T29] 1 lock held by syz-executor134/6118: [ 428.176201][ T29] #0: ffff0000c147fc58 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x574 [ 428.179377][ T29] 1 lock held by syz-executor134/6119: [ 428.181167][ T29] #0: ffff0000c147fc58 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x574 [ 428.184290][ T29] 1 lock held by syz-executor134/6120: [ 428.186065][ T29] #0: ffff0000c147fc58 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x574 [ 428.188890][ T29] 1 lock held by syz-executor134/6127: [ 428.190205][ T29] #0: ffff0000c147fc58 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x574 [ 428.192917][ T29] 1 lock held by syz-executor134/6129: [ 428.194278][ T29] #0: ffff0000c147fc58 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x574 [ 428.197166][ T29] [ 428.197738][ T29] ============================================= [ 428.197738][ T29] [ 428.200180][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 428.201959][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 [ 428.204345][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 428.206903][ T29] Call trace: [ 428.207737][ T29] dump_backtrace+0x1b8/0x1e4 [ 428.208972][ T29] show_stack+0x2c/0x44 [ 428.210097][ T29] dump_stack_lvl+0xd0/0x124 [ 428.211287][ T29] dump_stack+0x1c/0x28 [ 428.212445][ T29] panic+0x2d0/0x7bc [ 428.213474][ T29] hung_task_panic+0x0/0x2c [ 428.214639][ T29] kthread+0x288/0x310 [ 428.215715][ T29] ret_from_fork+0x10/0x20 [ 428.216863][ T29] SMP: stopping secondary CPUs [ 428.218075][ T29] Kernel Offset: disabled [ 428.219185][ T29] CPU features: 0x0,00000020,70020046,21017203 [ 428.220796][ T29] Memory Limit: none [ 428.571187][ T29] Rebooting in 86400 seconds..