EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14648 EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14649 kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) INFO: task io_uring-sq:4962 blocked for more than 143 seconds. Not tainted 5.10.56 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:io_uring-sq state:D stack:30920 pid: 4962 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:3776 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4525 schedule+0xcb/0x270 kernel/sched/core.c:4603 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4662 kthread+0x2a3/0x470 kernel/kthread.c:285 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:296 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84df6660 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6377 1 lock held by in:imklog/198: 3 locks held by syz-executor/6026: ============================================= EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs warning (device loop3): ext4_group_extend:1807: will only finish group (16384 blocks, 16256 new) EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14640 EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14641 EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14642 EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14643 EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14644 EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14645 EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14646 EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14647 EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14648 EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14649 EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs warning (device loop5): ext4_group_extend:1807: will only finish group (16384 blocks, 16256 new) EXT4-fs error (device loop5): ext4_group_add_blocks:5618: comm syz-executor.5: bit already cleared for block 14640 EXT4-fs error (device loop5): ext4_group_add_blocks:5618: comm syz-executor.5: bit already cleared for block 14641 EXT4-fs error (device loop5): ext4_group_add_blocks:5618: comm syz-executor.5: bit already cleared for block 14642 EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop7): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs warning (device loop4): ext4_group_extend:1807: will only finish group (16384 blocks, 16256 new) EXT4-fs error (device loop5): ext4_group_add_blocks:5618: comm syz-executor.5: bit already cleared for block 14643 EXT4-fs error (device loop5): ext4_group_add_blocks:5618: comm syz-executor.5: bit already cleared for block 14644 EXT4-fs error (device loop4): ext4_group_add_blocks:5618: comm syz-executor.4: bit already cleared for block 14640 EXT4-fs warning (device loop7): ext4_group_extend:1807: will only finish group (16384 blocks, 16256 new) EXT4-fs error (device loop5): ext4_group_add_blocks:5618: comm syz-executor.5: bit already cleared for block 14645 EXT4-fs error (device loop4): ext4_group_add_blocks:5618: comm syz-executor.4: bit already cleared for block 14641 EXT4-fs error (device loop5): ext4_group_add_blocks:5618: comm syz-executor.5: bit already cleared for block 14646 EXT4-fs error (device loop5): ext4_group_add_blocks:5618: comm syz-executor.5: bit already cleared for block 14647 EXT4-fs error (device loop4): ext4_group_add_blocks:5618: comm syz-executor.4: bit already cleared for block 14642 EXT4-fs error (device loop5): ext4_group_add_blocks:5618: comm syz-executor.5: bit already cleared for block 14648 EXT4-fs error (device loop4): ext4_group_add_blocks:5618: comm syz-executor.4: bit already cleared for block 14643 EXT4-fs error (device loop5): ext4_group_add_blocks:5618: comm syz-executor.5: bit already cleared for block 14649 EXT4-fs error (device loop7): ext4_group_add_blocks:5618: comm syz-executor.7: bit already cleared for block 14640 EXT4-fs error (device loop4): ext4_group_add_blocks:5618: comm syz-executor.4: bit already cleared for block 14644 EXT4-fs error (device loop4): ext4_group_add_blocks:5618: comm syz-executor.4: bit already cleared for block 14645 EXT4-fs error (device loop7): ext4_group_add_blocks:5618: comm syz-executor.7: bit already cleared for block 14641 EXT4-fs error (device loop7): ext4_group_add_blocks:5618: comm syz-executor.7: bit already cleared for block 14642 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs warning (device loop0): ext4_group_extend:1807: will only finish group (16384 blocks, 16256 new) EXT4-fs error (device loop4): ext4_group_add_blocks:5618: comm syz-executor.4: bit already cleared for block 14646 EXT4-fs error (device loop7): ext4_group_add_blocks:5618: comm syz-executor.7: bit already cleared for block 14643 EXT4-fs error (device loop4): ext4_group_add_blocks:5618: comm syz-executor.4: bit already cleared for block 14647 EXT4-fs error (device loop4): ext4_group_add_blocks:5618: comm syz-executor.4: bit already cleared for block 14648 EXT4-fs error (device loop7): ext4_group_add_blocks:5618: comm syz-executor.7: bit already cleared for block 14644 EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14640 EXT4-fs error (device loop7): ext4_group_add_blocks:5618: comm syz-executor.7: bit already cleared for block 14645 EXT4-fs error (device loop4): ext4_group_add_blocks:5618: comm syz-executor.4: bit already cleared for block 14649 EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14641 EXT4-fs error (device loop7): ext4_group_add_blocks:5618: comm syz-executor.7: bit already cleared for block 14646 EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14642 EXT4-fs error (device loop7): ext4_group_add_blocks:5618: comm syz-executor.7: bit already cleared for block 14647 EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14643 EXT4-fs error (device loop7): ext4_group_add_blocks:5618: comm syz-executor.7: bit already cleared for block 14648 EXT4-fs error (device loop7): ext4_group_add_blocks:5618: comm syz-executor.7: bit already cleared for block 14649 EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14644 EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14645 EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14646 EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14647 EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14648 EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14649 EXT4-fs warning (device loop1): ext4_group_extend:1807: will only finish group (16384 blocks, 16256 new) EXT4-fs error (device loop1): ext4_group_add_blocks:5618: comm syz-executor.1: bit already cleared for block 14640 EXT4-fs error (device loop1): ext4_group_add_blocks:5618: comm syz-executor.1: bit already cleared for block 14641 EXT4-fs error (device loop1): ext4_group_add_blocks:5618: comm syz-executor.1: bit already cleared for block 14642 EXT4-fs error (device loop1): ext4_group_add_blocks:5618: comm syz-executor.1: bit already cleared for block 14643 EXT4-fs error (device loop1): ext4_group_add_blocks:5618: comm syz-executor.1: bit already cleared for block 14644 EXT4-fs error (device loop1): ext4_group_add_blocks:5618: comm syz-executor.1: bit already cleared for block 14645 EXT4-fs error (device loop1): ext4_group_add_blocks:5618: comm syz-executor.1: bit already cleared for block 14646 EXT4-fs error (device loop1): ext4_group_add_blocks:5618: comm syz-executor.1: bit already cleared for block 14647 EXT4-fs error (device loop1): ext4_group_add_blocks:5618: comm syz-executor.1: bit already cleared for block 14648 EXT4-fs error (device loop1): ext4_group_add_blocks:5618: comm syz-executor.1: bit already cleared for block 14649 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue serio: Serial port tty32 EXT4-fs warning (device loop0): ext4_group_extend:1807: will only finish group (16384 blocks, 16256 new) EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14640 EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14641 EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14642 EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14643 EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14644 EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14645 EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14646 EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14647 EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14648 EXT4-fs error (device loop0): ext4_group_add_blocks:5618: comm syz-executor.0: bit already cleared for block 14649 serio: Serial port tty32