INFO: task syz.0.25:6812 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.25 state:D stack:0 pid:6812 tgid:6811 ppid:6661 task_flags:0x400140 flags:0x00000001 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] invalidate_inode_pages2_range+0x488/0xa9c mm/truncate.c:690 bch2_write_invalidate_inode_pages_range+0xc4/0x12c fs/bcachefs/fs-io-pagecache.c:68 bch2_direct_write+0x1fe0/0x2280 fs/bcachefs/fs-io-direct.c:662 bch2_write_iter+0x16c/0x2300 fs/bcachefs/fs-io-buffered.c:1064 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x540/0xa3c fs/read_write.c:686 ksys_write+0x120/0x210 fs/read_write.c:738 __do_sys_write fs/read_write.c:749 [inline] __se_sys_write fs/read_write.c:746 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:746 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 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.0.25:6837 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.25 state:D stack:0 pid:6837 tgid:6811 ppid:6661 task_flags:0x440140 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+0x98/0x254 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.4.21:6932 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.21 state:D stack:0 pid:6932 tgid:6931 ppid:6675 task_flags:0x400140 flags:0x00000001 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] invalidate_inode_pages2_range+0x488/0xa9c mm/truncate.c:690 bch2_write_invalidate_inode_pages_range+0xc4/0x12c fs/bcachefs/fs-io-pagecache.c:68 bch2_direct_write+0x1fe0/0x2280 fs/bcachefs/fs-io-direct.c:662 bch2_write_iter+0x16c/0x2300 fs/bcachefs/fs-io-buffered.c:1064 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x540/0xa3c fs/read_write.c:686 ksys_write+0x120/0x210 fs/read_write.c:738 __do_sys_write fs/read_write.c:749 [inline] __se_sys_write fs/read_write.c:746 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:746 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 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.4.21:6969 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.21 state:D stack:0 pid:6969 tgid:6931 ppid:6675 task_flags:0x440140 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+0x98/0x254 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: 3 locks held by kworker/u8:1/14: 1 lock held by khungtaskd/32: #0: ffff80008f9d9620 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330 2 locks held by getty/6308: #0: ffff0000d48820a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff8000994042f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa4 drivers/tty/n_tty.c:2222 1 lock held by syz-executor/6554: #0: ffff0000c193d468 (&pipe->mutex){+.+.}-{4:4}, at: pipe_release+0x54/0x2fc fs/pipe.c:727 2 locks held by syz.0.25/6812: #0: ffff0000dadf1eb8 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x1fc/0x2a0 fs/file.c:1232 #1: ffff0000dba34428 (sb_writers#11){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:3108 [inline] #1: ffff0000dba34428 (sb_writers#11){.+.+}-{0:0}, at: vfs_write+0x24c/0xa3c fs/read_write.c:682 2 locks held by syz.0.25/6837: #0: ffff0000c193d468 (&pipe->mutex){+.+.}-{4:4}, at: pipe_lock+0x68/0x98 fs/pipe.c:91 #1: ffff0000f7f42148 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:935 [inline] #1: ffff0000f7f42148 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: page_cache_ra_order+0x268/0xb7c mm/readahead.c:488 2 locks held by syz.4.21/6932: #0: ffff0000cb745b38 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x1fc/0x2a0 fs/file.c:1232 #1: ffff0000dfad6428 (sb_writers#11){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:3108 [inline] #1: ffff0000dfad6428 (sb_writers#11){.+.+}-{0:0}, at: vfs_write+0x24c/0xa3c fs/read_write.c:682 2 locks held by syz.4.21/6969: #0: ffff0000ce53bc68 (&pipe->mutex){+.+.}-{4:4}, at: pipe_lock+0x68/0x98 fs/pipe.c:91 #1: ffff0000f7cd82e8 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:935 [inline] #1: ffff0000f7cd82e8 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: page_cache_ra_order+0x268/0xb7c mm/readahead.c:488 2 locks held by syz.2.70/7477: #0: ffff0000c745e9b8 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x1fc/0x2a0 fs/file.c:1232 #1: ffff0000de420428 (sb_writers#11){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:3108 [inline] #1: ffff0000de420428 (sb_writers#11){.+.+}-{0:0}, at: vfs_write+0x24c/0xa3c fs/read_write.c:682 2 locks held by syz.2.70/7510: #0: ffff0000c193c068 (&pipe->mutex){+.+.}-{4:4}, at: pipe_lock+0x68/0x98 fs/pipe.c:91 #1: ffff0000f7cdb810 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:935 [inline] #1: ffff0000f7cdb810 (mapping.invalidate_lock#3){.+.+}-{4:4}, at: page_cache_ra_order+0x268/0xb7c mm/readahead.c:488 =============================================