INFO: task syz.3.112:7188 blocked for more than 143 seconds. Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.112 state:D stack:0 pid:7188 tgid:7187 ppid:6417 flags:0x0400000d Call trace: __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5369 [inline] __schedule+0x1744/0x27f0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6848 io_schedule+0x8c/0x124 kernel/sched/core.c:7681 folio_wait_bit_common+0x65c/0xb90 mm/filemap.c:1308 __folio_lock+0x2c/0x3c mm/filemap.c:1646 folio_lock include/linux/pagemap.h:1151 [inline] invalidate_inode_pages2_range+0x524/0x11bc mm/truncate.c:627 bch2_write_invalidate_inode_pages_range+0xc4/0x120 fs/bcachefs/fs-io-pagecache.c:68 bch2_direct_write+0x277c/0x2a6c fs/bcachefs/fs-io-direct.c:648 bch2_write_iter+0x16c/0x2304 fs/bcachefs/fs-io-buffered.c:1036 iter_file_splice_write+0x898/0xfdc fs/splice.c:743 do_splice_from fs/splice.c:941 [inline] direct_splice_actor+0xec/0x1d8 fs/splice.c:1164 splice_direct_to_actor+0x438/0xa0c fs/splice.c:1108 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0x1e4/0x304 fs/splice.c:1233 do_sendfile+0x470/0x768 fs/read_write.c:1363 __do_sys_sendfile64 fs/read_write.c:1424 [inline] __se_sys_sendfile64 fs/read_write.c:1410 [inline] __arm64_sys_sendfile64+0x148/0x3a4 fs/read_write.c:1410 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 INFO: task syz.3.112:7252 blocked for more than 143 seconds. Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.112 state:D stack:0 pid:7252 tgid:7187 ppid:6417 flags:0x00000009 Call trace: __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5369 [inline] __schedule+0x1744/0x27f0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6848 __bch2_two_state_lock+0x1f0/0x260 fs/bcachefs/two_state_shared_lock.c:7 bch2_two_state_lock fs/bcachefs/two_state_shared_lock.h:55 [inline] bch2_readahead+0xcc8/0xea8 fs/bcachefs/fs-io-buffered.c:258 read_pages+0x158/0x688 mm/readahead.c:160 page_cache_ra_order+0x7ec/0xa58 mm/readahead.c:512 page_cache_sync_ra+0x568/0x70c mm/readahead.c:612 page_cache_sync_readahead include/linux/pagemap.h:1397 [inline] filemap_get_pages+0x3b0/0x1a5c mm/filemap.c:2546 filemap_splice_read+0x4c8/0xbdc mm/filemap.c:2922 do_splice_read fs/splice.c:985 [inline] splice_direct_to_actor+0x38c/0xa0c fs/splice.c:1089 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0x1e4/0x304 fs/splice.c:1233 do_sendfile+0x470/0x768 fs/read_write.c:1363 __do_sys_sendfile64 fs/read_write.c:1424 [inline] __se_sys_sendfile64 fs/read_write.c:1410 [inline] __arm64_sys_sendfile64+0x148/0x3a4 fs/read_write.c:1410 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 INFO: task syz.3.112:7263 blocked for more than 143 seconds. Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.112 state:D stack:0 pid:7263 tgid:7187 ppid:6417 flags:0x00000001 Call trace: __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5369 [inline] __schedule+0x1744/0x27f0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6848 inode_dio_wait+0x128/0x21c fs/inode.c:2670 bchfs_truncate+0x238/0xa88 fs/bcachefs/fs-io.c:409 bch2_setattr+0x1a0/0x214 fs/bcachefs/fs.c:1163 notify_change+0x9f0/0xca0 fs/attr.c:552 do_truncate+0x1c0/0x28c fs/open.c:65 handle_truncate fs/namei.c:3449 [inline] do_open fs/namei.c:3832 [inline] path_openat+0x2494/0x2b14 fs/namei.c:3987 do_filp_open+0x1e8/0x404 fs/namei.c:4014 do_sys_openat2+0x124/0x1b8 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1428 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 INFO: task syz.3.112:7264 blocked for more than 143 seconds. Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.112 state:D stack:0 pid:7264 tgid:7187 ppid:6417 flags:0x00000001 Call trace: __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5369 [inline] __schedule+0x1744/0x27f0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6848 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6905 rwsem_down_write_slowpath+0xd10/0x14c8 kernel/locking/rwsem.c:1176 __down_write_common kernel/locking/rwsem.c:1304 [inline] __down_write kernel/locking/rwsem.c:1313 [inline] down_write+0xb4/0xc0 kernel/locking/rwsem.c:1578 inode_lock include/linux/fs.h:818 [inline] bch2_direct_write+0x218/0x2a6c fs/bcachefs/fs-io-direct.c:599 bch2_write_iter+0x16c/0x2304 fs/bcachefs/fs-io-buffered.c:1036 iter_file_splice_write+0x898/0xfdc fs/splice.c:743 do_splice_from fs/splice.c:941 [inline] direct_splice_actor+0xec/0x1d8 fs/splice.c:1164 splice_direct_to_actor+0x438/0xa0c fs/splice.c:1108 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0x1e4/0x304 fs/splice.c:1233 do_sendfile+0x470/0x768 fs/read_write.c:1363 __do_sys_sendfile64 fs/read_write.c:1424 [inline] __se_sys_sendfile64 fs/read_write.c:1410 [inline] __arm64_sys_sendfile64+0x148/0x3a4 fs/read_write.c:1410 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Showing all locks held in the system: 1 lock held by khungtaskd/31: #0: ffff80008fb82560 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:336 2 locks held by kworker/u8:9/4708: #0: ffff0001b37f6698 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:598 [inline] #0: ffff0001b37f6698 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1523 [inline] #0: ffff0001b37f6698 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1822 [inline] #0: ffff0001b37f6698 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2e0/0x27f0 kernel/sched/core.c:6680 #1: ffff0001b37e13c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x394/0x5e8 kernel/sched/psi.c:987 2 locks held by getty/6174: #0: ffff0000cc0ee0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80009ba2b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2211 1 lock held by syz.3.112/7188: #0: ffff0000d1450420 (sb_writers#18){.+.+}-{0:0}, at: direct_splice_actor+0x54/0x1d8 fs/splice.c:1163 1 lock held by syz.3.112/7252: #0: ffff0000f556a0e8 (mapping.invalidate_lock#6){.+.+}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:873 [inline] #0: ffff0000f556a0e8 (mapping.invalidate_lock#6){.+.+}-{4:4}, at: page_cache_ra_order+0x354/0xa58 mm/readahead.c:488 2 locks held by syz.3.112/7263: #0: ffff0000d1450420 (sb_writers#18){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:515 #1: ffff0000f5569f48 (&sb->s_type->i_mutex_key#23){++++}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline] #1: ffff0000f5569f48 (&sb->s_type->i_mutex_key#23){++++}-{4:4}, at: do_truncate+0x1ac/0x28c fs/open.c:63 2 locks held by syz.3.112/7264: #0: ffff0000d1450420 (sb_writers#18){.+.+}-{0:0}, at: direct_splice_actor+0x54/0x1d8 fs/splice.c:1163 #1: ffff0000f5569f48 (&sb->s_type->i_mutex_key#23){++++}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline] #1: ffff0000f5569f48 (&sb->s_type->i_mutex_key#23){++++}-{4:4}, at: bch2_direct_write+0x218/0x2a6c fs/bcachefs/fs-io-direct.c:599 =============================================