Warning: Permanently added '10.128.0.52' (ECDSA) to the list of known hosts. executing program [ 496.180256][ T3108] loop0: detected capacity change from 0 to 512 [ 496.187964][ T3108] EXT4-fs (loop0): 1 truncate cleaned up [ 496.189562][ T3108] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 714.726652][ T27] INFO: task syz-executor414:3108 blocked for more than 143 seconds. [ 714.728981][ T27] Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 [ 714.730949][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.733204][ T27] task:syz-executor414 state:D stack:0 pid:3108 ppid:3107 flags:0x00000001 [ 714.735650][ T27] Call trace: [ 714.736510][ T27] __switch_to+0x180/0x298 [ 714.737699][ T27] __schedule+0x408/0x594 [ 714.738879][ T27] schedule+0x64/0xa4 [ 714.739975][ T27] io_schedule+0x38/0xbc [ 714.741084][ T27] bit_wait_io+0x18/0x60 [ 714.742217][ T27] __wait_on_bit_lock+0x6c/0x114 [ 714.743499][ T27] out_of_line_wait_on_bit_lock+0x84/0xac [ 714.744987][ T27] __sync_dirty_buffer+0xe8/0x328 [ 714.746291][ T27] sync_dirty_buffer+0x24/0x34 [ 714.747572][ T27] __ext4_handle_dirty_metadata+0x118/0x3e0 [ 714.749131][ T27] ext4_handle_dirty_dirblock+0x110/0x228 [ 714.750599][ T27] ext4_finish_convert_inline_dir+0x1f4/0x30c [ 714.752189][ T27] ext4_convert_inline_data_nolock+0x378/0x450 [ 714.753810][ T27] ext4_try_add_inline_entry+0x2c8/0x420 [ 714.755296][ T27] ext4_add_entry+0x1f4/0x700 [ 714.756579][ T27] ext4_rename2+0xde0/0x15c0 [ 714.757766][ T27] vfs_rename+0x59c/0x7f8 [ 714.758934][ T27] do_renameat2+0x490/0x758 [ 714.760104][ T27] __arm64_sys_renameat2+0x6c/0x88 [ 714.761464][ T27] el0_svc_common+0x138/0x220 [ 714.762686][ T27] do_el0_svc+0x48/0x140 [ 714.763802][ T27] el0_svc+0x58/0x150 [ 714.764832][ T27] el0t_64_sync_handler+0x84/0xf0 [ 714.766187][ T27] el0t_64_sync+0x190/0x194 [ 714.767450][ T27] [ 714.767450][ T27] Showing all locks held in the system: [ 714.769443][ T27] 1 lock held by rcu_tasks_kthre/11: [ 714.770840][ T27] #0: ffff80000d4a4768 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 [ 714.773632][ T27] 1 lock held by rcu_tasks_trace/12: [ 714.775015][ T27] #0: ffff80000d4a4db8 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 [ 714.778002][ T27] 1 lock held by khungtaskd/27: [ 714.779270][ T27] #0: ffff80000d4a4640 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 [ 714.781763][ T27] 2 locks held by getty/2757: [ 714.782975][ T27] #0: ffff0000c685c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 [ 714.785573][ T27] #1: ffff80000f6be2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x89c [ 714.788292][ T27] 3 locks held by syz-executor414/3108: [ 714.789749][ T27] #0: ffff0000c93f5460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x20/0x64 [ 714.792164][ T27] #1: ffff0000ca533d60 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: lock_rename+0x84/0xec [ 714.794843][ T27] #2: ffff0000ca533a28 (&ei->xattr_sem){++++}-{3:3}, at: ext4_try_add_inline_entry+0x84/0x420 [ 714.797679][ T27] [ 714.798278][ T27] ============================================= [ 714.798278][ T27] [ 714.800479][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 714.802266][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 [ 714.804817][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 714.807473][ T27] Call trace: [ 714.808340][ T27] dump_backtrace+0x1c4/0x1f0 [ 714.809634][ T27] show_stack+0x2c/0x3c [ 714.810798][ T27] dump_stack_lvl+0x104/0x16c [ 714.812108][ T27] dump_stack+0x1c/0x58 [ 714.813229][ T27] panic+0x218/0x508 [ 714.814276][ T27] hung_task_panic+0x0/0x2c [ 714.815515][ T27] kthread+0x12c/0x158 [ 714.816627][ T27] ret_from_fork+0x10/0x20 [ 714.817803][ T27] SMP: stopping secondary CPUs [ 714.819065][ T27] Kernel Offset: disabled [ 714.820218][ T27] CPU features: 0x00000,040e0108,4c017203 [ 714.821755][ T27] Memory Limit: none [ 715.048766][ T27] Rebooting in 86400 seconds..