Warning: Permanently added '10.128.0.97' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program [ 571.384026][ T27] INFO: task syz-executor329:3992 blocked for more than 143 seconds. [ 571.386014][ T27] Not tainted 5.15.156-syzkaller #0 [ 571.387290][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.389273][ T27] task:syz-executor329 state:D stack: 0 pid: 3992 ppid: 3985 flags:0x00000005 [ 571.391488][ T27] Call trace: [ 571.392231][ T27] __switch_to+0x308/0x5e8 [ 571.393284][ T27] __schedule+0xf10/0x1e48 [ 571.423961][ T27] schedule+0x11c/0x1c8 [ 571.424931][ T27] rwsem_down_write_slowpath+0xd94/0x17e0 [ 571.426207][ T27] down_write+0xe8/0x12c [ 571.427171][ T27] blkdev_fallocate+0x208/0x438 [ 571.428245][ T27] vfs_fallocate+0x478/0x5b4 [ 571.429309][ T27] __arm64_sys_fallocate+0xc0/0x110 [ 571.430480][ T27] invoke_syscall+0x98/0x2b8 [ 571.431483][ T27] el0_svc_common+0x138/0x258 [ 571.432566][ T27] do_el0_svc+0x58/0x14c [ 571.433491][ T27] el0_svc+0x7c/0x1f0 [ 571.451668][ T27] el0t_64_sync_handler+0x84/0xe4 [ 571.452912][ T27] el0t_64_sync+0x1a0/0x1a4 [ 571.453990][ T27] INFO: task syz-executor329:3993 blocked for more than 143 seconds. [ 571.455845][ T27] Not tainted 5.15.156-syzkaller #0 [ 571.457178][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.459194][ T27] task:syz-executor329 state:D stack: 0 pid: 3993 ppid: 3990 flags:0x0000000d [ 571.461376][ T27] Call trace: [ 571.462164][ T27] __switch_to+0x308/0x5e8 [ 571.463191][ T27] __schedule+0xf10/0x1e48 [ 571.479909][ T27] schedule+0x11c/0x1c8 [ 571.480932][ T27] rwsem_down_write_slowpath+0xd94/0x17e0 [ 571.482245][ T27] down_write+0xe8/0x12c [ 571.483168][ T27] blkdev_fallocate+0x208/0x438 [ 571.484302][ T27] vfs_fallocate+0x478/0x5b4 [ 571.485377][ T27] __arm64_sys_fallocate+0xc0/0x110 [ 571.486544][ T27] invoke_syscall+0x98/0x2b8 [ 571.487662][ T27] el0_svc_common+0x138/0x258 [ 571.488706][ T27] do_el0_svc+0x58/0x14c [ 571.489627][ T27] el0_svc+0x7c/0x1f0 [ 571.490526][ T27] el0t_64_sync_handler+0x84/0xe4 [ 571.491671][ T27] el0t_64_sync+0x1a0/0x1a4 [ 571.492705][ T27] INFO: task syz-executor329:4001 blocked for more than 143 seconds. [ 571.504415][ T27] Not tainted 5.15.156-syzkaller #0 [ 571.505771][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.507649][ T27] task:syz-executor329 state:D stack: 0 pid: 4001 ppid: 3984 flags:0x00000005 [ 571.509716][ T27] Call trace: [ 571.510483][ T27] __switch_to+0x308/0x5e8 [ 571.511482][ T27] __schedule+0xf10/0x1e48 [ 571.512491][ T27] schedule+0x11c/0x1c8 [ 571.513427][ T27] rwsem_down_write_slowpath+0xd94/0x17e0 [ 571.528643][ T27] down_write+0xe8/0x12c [ 571.529731][ T27] blkdev_fallocate+0x208/0x438 [ 571.530887][ T27] vfs_fallocate+0x478/0x5b4 [ 571.532003][ T27] __arm64_sys_fallocate+0xc0/0x110 [ 571.533223][ T27] invoke_syscall+0x98/0x2b8 [ 571.534410][ T27] el0_svc_common+0x138/0x258 [ 571.535463][ T27] do_el0_svc+0x58/0x14c [ 571.536444][ T27] el0_svc+0x7c/0x1f0 [ 571.537378][ T27] el0t_64_sync_handler+0x84/0xe4 [ 571.538580][ T27] el0t_64_sync+0x1a0/0x1a4 [ 571.549856][ T27] [ 571.549856][ T27] Showing all locks held in the system: [ 571.551610][ T27] 1 lock held by khungtaskd/27: [ 571.552722][ T27] #0: ffff800014b114e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 571.554913][ T27] 1 lock held by klogd/3572: [ 571.556063][ T27] 2 locks held by getty/3723: [ 571.557228][ T27] #0: ffff0000d2b37098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 571.559478][ T27] #1: ffff80001a38b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 [ 571.561862][ T27] 2 locks held by syz-executor329/3991: [ 571.563154][ T27] 1 lock held by syz-executor329/3992: [ 571.578216][ T27] #0: ffff0000c50cf350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 [ 571.580673][ T27] 1 lock held by syz-executor329/3993: [ 571.581899][ T27] #0: ffff0000c50cf350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 [ 571.594020][ T27] 1 lock held by syz-executor329/4001: [ 571.595316][ T27] #0: ffff0000c50cf350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 [ 571.597763][ T27] 1 lock held by syz-executor329/4008: [ 571.599023][ T27] #0: ffff0000c50cf350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 [ 571.601487][ T27] [ 571.602020][ T27] ============================================= [ 571.602020][ T27] [ 571.613150][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 571.614703][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.156-syzkaller #0 [ 571.616570][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 571.618707][ T27] Call trace: [ 571.619394][ T27] dump_backtrace+0x0/0x530 [ 571.620498][ T27] show_stack+0x2c/0x3c [ 571.621396][ T27] dump_stack_lvl+0x108/0x170 [ 571.622513][ T27] dump_stack+0x1c/0x58 [ 571.623425][ T27] panic+0x304/0x8bc [ 571.624324][ T27] hung_task_panic+0x0/0x2c [ 571.625407][ T27] kthread+0x37c/0x45c [ 571.626285][ T27] ret_from_fork+0x10/0x20 [ 571.627252][ T27] SMP: stopping secondary CPUs [ 571.628345][ T27] Kernel Offset: disabled [ 571.629344][ T27] CPU features: 0x0,000081c1,21302e40 [ 571.630623][ T27] Memory Limit: none [ 571.928541][ T27] Rebooting in 86400 seconds..