INFO: task syz.2.150:7982 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.150 state:D stack:0 pid:7982 tgid:7919 ppid:6533 task_flags:0x400140 flags:0x00000011 Call trace: __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T) context_switch kernel/sched/core.c:5357 [inline] __schedule+0x13b0/0x2864 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xb4/0x230 kernel/sched/core.c:7058 io_schedule+0x84/0xf0 kernel/sched/core.c:7903 folio_wait_bit_common+0x56c/0x9e0 mm/filemap.c:1317 __folio_lock+0x2c/0x3c mm/filemap.c:1675 folio_lock include/linux/pagemap.h:1133 [inline] bch2_mark_pagecache_unallocated+0x310/0x6c8 fs/bcachefs/fs-io-pagecache.c:275 bch2_remap_file_range+0x598/0xb70 fs/bcachefs/fs-io.c:933 vfs_clone_file_range+0x62c/0xb68 fs/remap_range.c:403 ioctl_file_clone fs/ioctl.c:240 [inline] ioctl_file_clone_range fs/ioctl.c:258 [inline] do_vfs_ioctl+0xb84/0x1834 fs/ioctl.c:545 __do_sys_ioctl fs/ioctl.c:596 [inline] __se_sys_ioctl fs/ioctl.c:584 [inline] __arm64_sys_ioctl+0xe4/0x1c4 fs/ioctl.c:584 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 INFO: task syz.2.150:7985 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.150 state:D stack:0 pid:7985 tgid:7919 ppid:6533 task_flags:0x440040 flags:0x00000011 Call trace: __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T) context_switch kernel/sched/core.c:5357 [inline] __schedule+0x13b0/0x2864 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xb4/0x230 kernel/sched/core.c:7058 __bch2_two_state_lock+0x1b4/0x2f0 fs/bcachefs/two_state_shared_lock.c:7 bch2_two_state_lock fs/bcachefs/two_state_shared_lock.h:55 [inline] bch2_readahead+0xbc8/0xd88 fs/bcachefs/fs-io-buffered.c:296 read_pages+0x13c/0x4c4 mm/readahead.c:160 page_cache_ra_order+0x7a0/0xb7c mm/readahead.c:512 page_cache_sync_ra+0x580/0x73c mm/readahead.c:619 filemap_get_pages+0x2f4/0x19c8 mm/filemap.c:2603 filemap_splice_read+0x454/0xad8 mm/filemap.c:2991 do_splice_read fs/splice.c:982 [inline] splice_file_to_pipe+0x374/0x5a8 fs/splice.c:1292 do_sendfile+0x37c/0x658 fs/read_write.c:1376 __do_sys_sendfile64 fs/read_write.c:1431 [inline] __se_sys_sendfile64 fs/read_write.c:1417 [inline] __arm64_sys_sendfile64+0x1b4/0x274 fs/read_write.c:1417 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 Showing all locks held in the system: 1 lock held by khungtaskd/32: #0: ffff80008f9c9360 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330 1 lock held by pr/ttyAMA-1/43: 1 lock held by klogd/6155: 2 locks held by getty/6312: #0: ffff0000d38a90a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80009bbce2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa4 drivers/tty/n_tty.c:2222 1 lock held by syz-executor/6514: #0: ffff0000d9b6d468 (&pipe->mutex){+.+.}-{4:4}, at: pipe_release+0x54/0x2fc fs/pipe.c:727 2 locks held by syz.2.150/7982: #0: ffff0000d9258428 (sb_writers#12){.+.+}-{0:0}, at: ioctl_file_clone fs/ioctl.c:240 [inline] #0: ffff0000d9258428 (sb_writers#12){.+.+}-{0:0}, at: ioctl_file_clone_range fs/ioctl.c:258 [inline] #0: ffff0000d9258428 (sb_writers#12){.+.+}-{0:0}, at: do_vfs_ioctl+0xb84/0x1834 fs/ioctl.c:545 #1: ffff0000f825aed8 (&sb->s_type->i_mutex_key#20){++++}-{4:4}, at: inode_lock include/linux/fs.h:870 [inline] #1: ffff0000f825aed8 (&sb->s_type->i_mutex_key#20){++++}-{4:4}, at: lock_two_nondirectories+0xc4/0x150 fs/inode.c:1232 2 locks held by syz.2.150/7985: #0: ffff0000d9b6d468 (&pipe->mutex){+.+.}-{4:4}, at: pipe_lock+0x68/0x98 fs/pipe.c:91 #1: ffff0000f825b078 (mapping.invalidate_lock#6){.+.+}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:935 [inline] #1: ffff0000f825b078 (mapping.invalidate_lock#6){.+.+}-{4:4}, at: page_cache_ra_order+0x268/0xb7c mm/readahead.c:488 =============================================