Warning: Permanently added '10.128.0.155' (ED25519) to the list of known hosts. executing program [ 667.395310][ T6033] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=6033 'syz-executor142' [ 667.399408][ T6033] loop0: detected capacity change from 0 to 8 [ 667.407420][ T6033] SQUASHFS error: Failed to read block 0x8f: -5 [ 667.409470][ T6033] SQUASHFS error: Failed to read block 0x8f: -5 [ 667.412219][ T6033] SQUASHFS error: Failed to read block 0x8f: -5 [ 667.413982][ T6033] SQUASHFS error: Failed to read block 0x8f: -5 [ 667.415655][ T6033] FAULT_INJECTION: forcing a failure. [ 667.415655][ T6033] name failslab, interval 1, probability 0, space 0, times 1 [ 667.418892][ T6033] CPU: 0 PID: 6033 Comm: syz-executor142 Not tainted 6.5.0-rc6-syzkaller-gc014c37159a1 #0 [ 667.421228][ T6033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 667.423797][ T6033] Call trace: [ 667.424678][ T6033] dump_backtrace+0x1b8/0x1e4 [ 667.425921][ T6033] show_stack+0x2c/0x44 [ 667.427022][ T6033] dump_stack_lvl+0xd0/0x124 [ 667.428208][ T6033] dump_stack+0x1c/0x28 [ 667.429298][ T6033] should_fail_ex+0x3f8/0x5c4 [ 667.430504][ T6033] __should_failslab+0xc8/0x128 [ 667.431775][ T6033] should_failslab+0x10/0x28 [ 667.432950][ T6033] __kmem_cache_alloc_node+0x80/0x37c [ 667.434430][ T6033] kmalloc_trace+0x3c/0x88 [ 667.435558][ T6033] squashfs_page_actor_init_special+0x70/0x44c [ 667.437205][ T6033] squashfs_readpage_block+0x4e0/0xd5c [ 667.438623][ T6033] squashfs_read_folio+0x424/0x9a4 [ 667.440008][ T6033] filemap_read_folio+0x14c/0x39c [ 667.441347][ T6033] filemap_get_pages+0x10d4/0x1640 [ 667.442659][ T6033] filemap_read+0x318/0xc58 [ 667.443895][ T6033] generic_file_read_iter+0xa0/0x458 [ 667.445307][ T6033] vfs_read+0x5d0/0x8d4 [ 667.446421][ T6033] ksys_read+0x15c/0x26c [ 667.447565][ T6033] __arm64_sys_read+0x7c/0x90 [ 667.448910][ T6033] invoke_syscall+0x98/0x2b8 [ 667.450172][ T6033] el0_svc_common+0x130/0x23c [ 667.451427][ T6033] do_el0_svc+0x48/0x58 [ 667.452496][ T6033] el0_svc+0x58/0x16c [ 667.453559][ T6033] el0t_64_sync_handler+0x84/0xfc [ 667.454902][ T6033] el0t_64_sync+0x190/0x194 [ 858.090681][ T29] INFO: task syz-executor142:6032 blocked for more than 143 seconds. [ 858.092922][ T29] Not tainted 6.5.0-rc6-syzkaller-gc014c37159a1 #0 [ 858.094750][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 858.097023][ T29] task:syz-executor142 state:D stack:0 pid:6032 ppid:6030 flags:0x00000004 [ 858.099495][ T29] Call trace: [ 858.100379][ T29] __switch_to+0x320/0x754 [ 858.101689][ T29] __schedule+0x1364/0x23b4 [ 858.102889][ T29] schedule+0xc4/0x170 [ 858.103912][ T29] io_schedule+0x8c/0x12c [ 858.105024][ T29] folio_wait_bit_common+0x65c/0xb90 [ 858.106437][ T29] __folio_lock+0x2c/0x3c [ 858.107553][ T29] truncate_inode_pages_range+0x930/0xf74 [ 858.108970][ T29] truncate_inode_pages_final+0x90/0xc0 [ 858.110499][ T29] evict+0x26c/0x68c [ 858.111488][ T29] evict_inodes+0x6b4/0x74c [ 858.112609][ T29] generic_shutdown_super+0x9c/0x328 [ 858.113934][ T29] kill_block_super+0x60/0xa0 [ 858.115127][ T29] deactivate_locked_super+0xac/0x124 [ 858.116533][ T29] deactivate_super+0xe0/0x100 [ 858.117767][ T29] cleanup_mnt+0x34c/0x3dc [ 858.118994][ T29] __cleanup_mnt+0x20/0x30 [ 858.120145][ T29] task_work_run+0x230/0x2e0 [ 858.121421][ T29] do_notify_resume+0x2180/0x3c90 [ 858.122792][ T29] el0_svc+0xa0/0x16c [ 858.123821][ T29] el0t_64_sync_handler+0x84/0xfc [ 858.125101][ T29] el0t_64_sync+0x190/0x194 [ 858.126214][ T29] [ 858.126214][ T29] Showing all locks held in the system: [ 858.128195][ T29] 1 lock held by rcu_tasks_kthre/13: [ 858.129520][ T29] #0: ffff80008e2718d0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 858.132194][ T29] 1 lock held by rcu_tasks_trace/14: [ 858.133583][ T29] #0: ffff80008e271c90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 [ 858.136443][ T29] 1 lock held by khungtaskd/29: [ 858.137696][ T29] #0: ffff80008e271700 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 858.140096][ T29] 2 locks held by getty/5744: [ 858.141356][ T29] #0: ffff0000d3f64098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 858.143881][ T29] #1: ffff8000959122f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 [ 858.146643][ T29] 1 lock held by syz-executor142/6032: [ 858.148073][ T29] #0: ffff0000c77bc0e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: deactivate_super+0xd8/0x100 [ 858.150816][ T29] [ 858.151445][ T29] ============================================= [ 858.151445][ T29] [ 858.153745][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 858.155590][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.5.0-rc6-syzkaller-gc014c37159a1 #0 [ 858.157898][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 858.160471][ T29] Call trace: [ 858.161430][ T29] dump_backtrace+0x1b8/0x1e4 [ 858.162714][ T29] show_stack+0x2c/0x44 [ 858.163897][ T29] dump_stack_lvl+0xd0/0x124 [ 858.165171][ T29] dump_stack+0x1c/0x28 [ 858.166317][ T29] panic+0x2d0/0x7b4 [ 858.167360][ T29] hung_task_panic+0x0/0x2c [ 858.168562][ T29] kthread+0x288/0x310 [ 858.169673][ T29] ret_from_fork+0x10/0x20 [ 858.170853][ T29] SMP: stopping secondary CPUs [ 858.172171][ T29] Kernel Offset: disabled [ 858.173289][ T29] CPU features: 0x00000010,38010021,88017203 [ 858.174794][ T29] Memory Limit: none [ 858.571105][ T29] Rebooting in 86400 seconds..