Warning: Permanently added '10.128.0.25' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 428.000184][ T29] INFO: task syz-executor180:6129 blocked for more than 143 seconds. [ 428.002126][ T29] Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 [ 428.003675][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.006131][ T29] task:syz-executor180 state:D stack:0 pid:6129 tgid:6129 ppid:6124 flags:0x00000005 [ 428.009104][ T29] Call trace: [ 428.010357][ T29] __switch_to+0x314/0x560 [ 428.011513][ T29] __schedule+0x1354/0x2360 [ 428.012652][ T29] schedule+0xb8/0x19c [ 428.014015][ T29] schedule_preempt_disabled+0x18/0x2c [ 428.015655][ T29] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 428.016979][ T29] down_write+0xb4/0xc0 [ 428.018007][ T29] blkdev_fallocate+0x1d8/0x4b8 [ 428.019153][ T29] vfs_fallocate+0x478/0x5b4 [ 428.020394][ T29] __arm64_sys_fallocate+0xc0/0x110 [ 428.021588][ T29] invoke_syscall+0x98/0x2b8 [ 428.022731][ T29] el0_svc_common+0x130/0x23c [ 428.023892][ T29] do_el0_svc+0x48/0x58 [ 428.024912][ T29] el0_svc+0x54/0x158 [ 428.025906][ T29] el0t_64_sync_handler+0x84/0xfc [ 428.027066][ T29] el0t_64_sync+0x190/0x194 [ 428.028562][ T29] INFO: task syz-executor180:6130 blocked for more than 143 seconds. [ 428.031007][ T29] Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 [ 428.032340][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.034376][ T29] task:syz-executor180 state:D stack:0 pid:6130 tgid:6130 ppid:6127 flags:0x00000005 [ 428.036862][ T29] Call trace: [ 428.037675][ T29] __switch_to+0x314/0x560 [ 428.038798][ T29] __schedule+0x1354/0x2360 [ 428.039918][ T29] schedule+0xb8/0x19c [ 428.041345][ T29] schedule_preempt_disabled+0x18/0x2c [ 428.042670][ T29] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 428.044091][ T29] down_write+0xb4/0xc0 [ 428.045058][ T29] blkdev_fallocate+0x1d8/0x4b8 [ 428.046122][ T29] vfs_fallocate+0x478/0x5b4 [ 428.047617][ T29] __arm64_sys_fallocate+0xc0/0x110 [ 428.049257][ T29] invoke_syscall+0x98/0x2b8 [ 428.050817][ T29] el0_svc_common+0x130/0x23c [ 428.052333][ T29] do_el0_svc+0x48/0x58 [ 428.053710][ T29] el0_svc+0x54/0x158 [ 428.055007][ T29] el0t_64_sync_handler+0x84/0xfc [ 428.056611][ T29] el0t_64_sync+0x190/0x194 [ 428.058043][ T29] INFO: task syz-executor180:6131 blocked for more than 143 seconds. [ 428.060010][ T29] Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 [ 428.061978][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.064132][ T29] task:syz-executor180 state:D stack:0 pid:6131 tgid:6131 ppid:6128 flags:0x00000005 [ 428.066943][ T29] Call trace: [ 428.067789][ T29] __switch_to+0x314/0x560 [ 428.069150][ T29] __schedule+0x1354/0x2360 [ 428.070696][ T29] schedule+0xb8/0x19c [ 428.072022][ T29] schedule_preempt_disabled+0x18/0x2c [ 428.073305][ T29] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 428.075116][ T29] down_write+0xb4/0xc0 [ 428.076475][ T29] blkdev_fallocate+0x1d8/0x4b8 [ 428.077973][ T29] vfs_fallocate+0x478/0x5b4 [ 428.079151][ T29] __arm64_sys_fallocate+0xc0/0x110 [ 428.080985][ T29] invoke_syscall+0x98/0x2b8 [ 428.082078][ T29] el0_svc_common+0x130/0x23c [ 428.083291][ T29] do_el0_svc+0x48/0x58 [ 428.084349][ T29] el0_svc+0x54/0x158 [ 428.085373][ T29] el0t_64_sync_handler+0x84/0xfc [ 428.086667][ T29] el0t_64_sync+0x190/0x194 [ 428.087937][ T29] [ 428.087937][ T29] Showing all locks held in the system: [ 428.089912][ T29] 1 lock held by khungtaskd/29: [ 428.091207][ T29] #0: ffff80008e6c48c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 428.093906][ T29] 1 lock held by klogd/5706: [ 428.095375][ T29] 2 locks held by getty/5859: [ 428.096895][ T29] #0: ffff0000d75900a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 428.099674][ T29] #1: ffff800094e402f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 [ 428.102664][ T29] 1 lock held by syz-executor180/6125: [ 428.104313][ T29] 1 lock held by syz-executor180/6129: [ 428.105950][ T29] #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 [ 428.108938][ T29] 1 lock held by syz-executor180/6130: [ 428.110406][ T29] #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 [ 428.113141][ T29] 1 lock held by syz-executor180/6131: [ 428.114435][ T29] #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 [ 428.117086][ T29] 1 lock held by syz-executor180/6138: [ 428.118407][ T29] #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 [ 428.121174][ T29] 1 lock held by syz-executor180/6140: [ 428.122938][ T29] #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 [ 428.126019][ T29] [ 428.126921][ T29] ============================================= [ 428.126921][ T29] [ 428.129229][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 428.130961][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 [ 428.133359][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 428.135894][ T29] Call trace: [ 428.136757][ T29] dump_backtrace+0x1b8/0x1e4 [ 428.137970][ T29] show_stack+0x2c/0x3c [ 428.139085][ T29] dump_stack_lvl+0xd0/0x124 [ 428.140289][ T29] dump_stack+0x1c/0x28 [ 428.141373][ T29] panic+0x30c/0x88c [ 428.142413][ T29] hung_task_panic+0x0/0x2c [ 428.143608][ T29] kthread+0x288/0x310 [ 428.144736][ T29] ret_from_fork+0x10/0x20 [ 428.145891][ T29] SMP: stopping secondary CPUs [ 428.147155][ T29] Kernel Offset: disabled [ 428.148250][ T29] CPU features: 0x0,00000020,7002004a,21017203 [ 428.149740][ T29] Memory Limit: none [ 428.507942][ T29] Rebooting in 86400 seconds..