Warning: Permanently added '10.128.0.143' (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 [ 571.391804][ T29] INFO: task syz-executor142:6134 blocked for more than 143 seconds. [ 571.393993][ T29] Not tainted 6.7.0-rc3-syzkaller-g2cc14f52aeb7 #0 [ 571.395820][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.398455][ T29] task:syz-executor142 state:D stack:0 pid:6134 tgid:6134 ppid:6130 flags:0x00000005 [ 571.401508][ T29] Call trace: [ 571.402846][ T29] __switch_to+0x314/0x560 [ 571.403952][ T29] __schedule+0x1354/0x2360 [ 571.405090][ T29] schedule+0xb8/0x19c [ 571.406147][ T29] schedule_preempt_disabled+0x18/0x2c [ 571.407508][ T29] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 571.408969][ T29] down_write+0xb4/0xc0 [ 571.410036][ T29] blkdev_fallocate+0x1d8/0x4b8 [ 571.411263][ T29] vfs_fallocate+0x478/0x5b4 [ 571.422036][ T29] __arm64_sys_fallocate+0xc0/0x110 [ 571.423749][ T29] invoke_syscall+0x98/0x2b8 [ 571.425307][ T29] el0_svc_common+0x130/0x23c [ 571.426935][ T29] do_el0_svc+0x48/0x58 [ 571.428040][ T29] el0_svc+0x54/0x158 [ 571.429057][ T29] el0t_64_sync_handler+0x84/0xfc [ 571.430385][ T29] el0t_64_sync+0x190/0x194 [ 571.431514][ T29] INFO: task syz-executor142:6141 blocked for more than 143 seconds. [ 571.436867][ T29] Not tainted 6.7.0-rc3-syzkaller-g2cc14f52aeb7 #0 [ 571.438759][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.441023][ T29] task:syz-executor142 state:D stack:0 pid:6141 tgid:6141 ppid:6123 flags:0x0000000d [ 571.444273][ T29] Call trace: [ 571.445527][ T29] __switch_to+0x314/0x560 [ 571.447137][ T29] __schedule+0x1354/0x2360 [ 571.448305][ T29] schedule+0xb8/0x19c [ 571.449374][ T29] schedule_preempt_disabled+0x18/0x2c [ 571.450783][ T29] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 571.452385][ T29] down_write+0xb4/0xc0 [ 571.453463][ T29] blkdev_fallocate+0x1d8/0x4b8 [ 571.454681][ T29] vfs_fallocate+0x478/0x5b4 [ 571.455903][ T29] __arm64_sys_fallocate+0xc0/0x110 [ 571.457571][ T29] invoke_syscall+0x98/0x2b8 [ 571.458912][ T29] el0_svc_common+0x130/0x23c [ 571.460246][ T29] do_el0_svc+0x48/0x58 [ 571.461293][ T29] el0_svc+0x54/0x158 [ 571.462740][ T29] el0t_64_sync_handler+0x84/0xfc [ 571.464513][ T29] el0t_64_sync+0x190/0x194 [ 571.466047][ T29] INFO: task syz-executor142:6143 blocked for more than 143 seconds. [ 571.468538][ T29] Not tainted 6.7.0-rc3-syzkaller-g2cc14f52aeb7 #0 [ 571.470841][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.473632][ T29] task:syz-executor142 state:D stack:0 pid:6143 tgid:6143 ppid:6124 flags:0x00000005 [ 571.476805][ T29] Call trace: [ 571.477764][ T29] __switch_to+0x314/0x560 [ 571.478915][ T29] __schedule+0x1354/0x2360 [ 571.480180][ T29] schedule+0xb8/0x19c [ 571.481215][ T29] schedule_preempt_disabled+0x18/0x2c [ 571.482750][ T29] rwsem_down_write_slowpath+0xcfc/0x1aa0 [ 571.484179][ T29] down_write+0xb4/0xc0 [ 571.485277][ T29] blkdev_fallocate+0x1d8/0x4b8 [ 571.486498][ T29] vfs_fallocate+0x478/0x5b4 [ 571.487688][ T29] __arm64_sys_fallocate+0xc0/0x110 [ 571.489466][ T29] invoke_syscall+0x98/0x2b8 [ 571.491028][ T29] el0_svc_common+0x130/0x23c [ 571.492790][ T29] do_el0_svc+0x48/0x58 [ 571.493886][ T29] el0_svc+0x54/0x158 [ 571.495003][ T29] el0t_64_sync_handler+0x84/0xfc [ 571.496268][ T29] el0t_64_sync+0x190/0x194 [ 571.497596][ T29] [ 571.497596][ T29] Showing all locks held in the system: [ 571.499682][ T29] 1 lock held by khungtaskd/29: [ 571.501021][ T29] #0: ffff80008e6b4740 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 571.504089][ T29] 1 lock held by klogd/5709: [ 571.505684][ T29] 2 locks held by getty/5864: [ 571.507308][ T29] #0: ffff0000d74ca0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 571.510298][ T29] #1: ffff800094e302f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 [ 571.513496][ T29] 1 lock held by syz-executor142/6132: [ 571.514942][ T29] 1 lock held by syz-executor142/6134: [ 571.516371][ T29] #0: ffff0000c14a6558 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 [ 571.519113][ T29] 1 lock held by syz-executor142/6141: [ 571.520852][ T29] #0: ffff0000c14a6558 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 [ 571.524212][ T29] 1 lock held by syz-executor142/6143: [ 571.526040][ T29] #0: ffff0000c14a6558 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 [ 571.529324][ T29] 1 lock held by syz-executor142/6150: [ 571.530906][ T29] #0: ffff0000c14a6558 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 [ 571.534391][ T29] 1 lock held by syz-executor142/6151: [ 571.536320][ T29] #0: ffff0000c14a6558 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 [ 571.539605][ T29] [ 571.540593][ T29] ============================================= [ 571.540593][ T29] [ 571.543059][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 571.544898][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc3-syzkaller-g2cc14f52aeb7 #0 [ 571.547351][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 571.550023][ T29] Call trace: [ 571.550880][ T29] dump_backtrace+0x1b8/0x1e4 [ 571.552156][ T29] show_stack+0x2c/0x44 [ 571.553239][ T29] dump_stack_lvl+0xd0/0x124 [ 571.554428][ T29] dump_stack+0x1c/0x28 [ 571.555481][ T29] panic+0x30c/0x88c [ 571.556505][ T29] hung_task_panic+0x0/0x2c [ 571.557707][ T29] kthread+0x288/0x310 [ 571.558805][ T29] ret_from_fork+0x10/0x20 [ 571.559975][ T29] SMP: stopping secondary CPUs [ 571.561223][ T29] Kernel Offset: disabled [ 571.562376][ T29] CPU features: 0x0,00000020,70020046,21017203 [ 571.564020][ T29] Memory Limit: none [ 571.868923][ T29] Rebooting in 86400 seconds..