Warning: Permanently added '10.128.1.88' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 284.649901][ T31] INFO: task syz-executor228:6444 blocked for more than 143 seconds. [ 284.651880][ T31] Not tainted 6.13.0-rc7-syzkaller-g1950a0af2d55 #0 [ 284.653398][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.655135][ T31] task:syz-executor228 state:D stack:0 pid:6444 tgid:6444 ppid:6442 flags:0x00000005 [ 284.657173][ T31] Call trace: [ 284.657887][ T31] __switch_to+0x414/0x788 (T) [ 284.658837][ T31] __schedule+0x1744/0x27f0 [ 284.663383][ T31] schedule+0xbc/0x238 [ 284.664274][ T31] schedule_preempt_disabled+0x18/0x2c [ 284.665326][ T31] rwsem_down_write_slowpath+0xd10/0x14c8 [ 284.666543][ T31] down_write+0xb4/0xc0 [ 284.667349][ T31] blkdev_fallocate+0x1a8/0x3c8 [ 284.668365][ T31] vfs_fallocate+0x484/0x5c0 [ 284.669305][ T31] __arm64_sys_fallocate+0xc0/0x110 [ 284.670953][ T31] invoke_syscall+0x98/0x2b8 [ 284.671904][ T31] el0_svc_common+0x130/0x23c [ 284.672808][ T31] do_el0_svc+0x48/0x58 [ 284.673729][ T31] el0_svc+0x54/0x168 [ 284.674470][ T31] el0t_64_sync_handler+0x84/0x108 [ 284.675490][ T31] el0t_64_sync+0x198/0x19c [ 284.676388][ T31] INFO: task syz-executor228:6446 blocked for more than 143 seconds. [ 284.677987][ T31] Not tainted 6.13.0-rc7-syzkaller-g1950a0af2d55 #0 [ 284.679437][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.681160][ T31] task:syz-executor228 state:D stack:0 pid:6446 tgid:6446 ppid:6443 flags:0x00000005 [ 284.683130][ T31] Call trace: [ 284.683754][ T31] __switch_to+0x414/0x788 (T) [ 284.684706][ T31] __schedule+0x1744/0x27f0 [ 284.685563][ T31] schedule+0xbc/0x238 [ 284.686393][ T31] schedule_preempt_disabled+0x18/0x2c [ 284.687484][ T31] rwsem_down_write_slowpath+0xd10/0x14c8 [ 284.688568][ T31] down_write+0xb4/0xc0 [ 284.689384][ T31] blkdev_fallocate+0x1a8/0x3c8 [ 284.690391][ T31] vfs_fallocate+0x484/0x5c0 [ 284.691296][ T31] __arm64_sys_fallocate+0xc0/0x110 [ 284.692330][ T31] invoke_syscall+0x98/0x2b8 [ 284.693247][ T31] el0_svc_common+0x130/0x23c [ 284.694172][ T31] do_el0_svc+0x48/0x58 [ 284.695019][ T31] el0_svc+0x54/0x168 [ 284.695813][ T31] el0t_64_sync_handler+0x84/0x108 [ 284.696834][ T31] el0t_64_sync+0x198/0x19c [ 284.697718][ T31] INFO: task syz-executor228:6448 blocked for more than 143 seconds. [ 284.699296][ T31] Not tainted 6.13.0-rc7-syzkaller-g1950a0af2d55 #0 [ 284.700805][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.702464][ T31] task:syz-executor228 state:D stack:0 pid:6448 tgid:6448 ppid:6447 flags:0x00000005 [ 284.704486][ T31] Call trace: [ 284.705147][ T31] __switch_to+0x414/0x788 (T) [ 284.706081][ T31] __schedule+0x1744/0x27f0 [ 284.706979][ T31] schedule+0xbc/0x238 [ 284.707761][ T31] schedule_preempt_disabled+0x18/0x2c [ 284.708842][ T31] rwsem_down_write_slowpath+0xd10/0x14c8 [ 284.709989][ T31] down_write+0xb4/0xc0 [ 284.710843][ T31] blkdev_fallocate+0x1a8/0x3c8 [ 284.711769][ T31] vfs_fallocate+0x484/0x5c0 [ 284.712664][ T31] __arm64_sys_fallocate+0xc0/0x110 [ 284.713685][ T31] invoke_syscall+0x98/0x2b8 [ 284.714662][ T31] el0_svc_common+0x130/0x23c [ 284.715593][ T31] do_el0_svc+0x48/0x58 [ 284.716467][ T31] el0_svc+0x54/0x168 [ 284.717257][ T31] el0t_64_sync_handler+0x84/0x108 [ 284.718314][ T31] el0t_64_sync+0x198/0x19c [ 284.719265][ T31] [ 284.719265][ T31] Showing all locks held in the system: [ 284.721048][ T31] 1 lock held by khungtaskd/31: [ 284.722074][ T31] #0: ffff80008fb83160 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0xc/0x44 [ 284.723989][ T31] 2 locks held by klogd/6026: [ 284.724960][ T31] 2 locks held by getty/6179: [ 284.725912][ T31] #0: ffff0000d29d30a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 284.727870][ T31] #1: ffff80009ba1b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41c/0x1228 [ 284.730093][ T31] 1 lock held by syz-executor228/6444: [ 284.731212][ T31] #0: ffff0000c15642d0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x1a8/0x3c8 [ 284.733288][ T31] 1 lock held by syz-executor228/6445: [ 284.734368][ T31] #0: ffff0000c15642d0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x1a8/0x3c8 [ 284.736480][ T31] 1 lock held by syz-executor228/6446: [ 284.737580][ T31] #0: ffff0000c15642d0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x1a8/0x3c8 [ 284.739804][ T31] 1 lock held by syz-executor228/6448: [ 284.740875][ T31] #0: ffff0000c15642d0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x1a8/0x3c8 [ 284.743062][ T31] 1 lock held by syz-executor228/6455: [ 284.744166][ T31] #0: ffff0000c15642d0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x1a8/0x3c8 [ 284.746290][ T31] [ 284.746785][ T31] ============================================= [ 284.746785][ T31] [ 284.748342][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 284.749665][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.13.0-rc7-syzkaller-g1950a0af2d55 #0 [ 284.751656][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 284.753674][ T31] Call trace: [ 284.754324][ T31] show_stack+0x2c/0x3c (C) [ 284.755276][ T31] dump_stack_lvl+0xe4/0x150 [ 284.756230][ T31] dump_stack+0x1c/0x28 [ 284.757072][ T31] panic+0x300/0x8a0 [ 284.757878][ T31] hung_task_panic+0x0/0x2c [ 284.758777][ T31] kthread+0x288/0x310 [ 284.759565][ T31] ret_from_fork+0x10/0x20 [ 284.760490][ T31] SMP: stopping secondary CPUs [ 284.761521][ T31] Kernel Offset: disabled [ 284.762368][ T31] CPU features: 0x100,00002070,00800250,82017203 [ 284.763645][ T31] Memory Limit: none [ 285.064281][ T31] Rebooting in 86400 seconds..