INFO: task syz-executor180:6129 blocked for more than 143 seconds. Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor180 state:D stack:0 pid:6129 tgid:6129 ppid:6124 flags:0x00000005 Call trace: __switch_to+0x314/0x560 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5376 [inline] __schedule+0x1354/0x2360 kernel/sched/core.c:6688 __schedule_loop kernel/sched/core.c:6763 [inline] schedule+0xb8/0x19c kernel/sched/core.c:6778 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6835 rwsem_down_write_slowpath+0xcfc/0x1aa0 kernel/locking/rwsem.c:1178 __down_write_common kernel/locking/rwsem.c:1306 [inline] __down_write kernel/locking/rwsem.c:1315 [inline] down_write+0xb4/0xc0 kernel/locking/rwsem.c:1580 filemap_invalidate_lock include/linux/fs.h:847 [inline] blkdev_fallocate+0x1d8/0x4b8 block/fops.c:785 vfs_fallocate+0x478/0x5b4 fs/open.c:324 ksys_fallocate fs/open.c:347 [inline] __do_sys_fallocate fs/open.c:355 [inline] __se_sys_fallocate fs/open.c:353 [inline] __arm64_sys_fallocate+0xc0/0x110 fs/open.c:353 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 INFO: task syz-executor180:6130 blocked for more than 143 seconds. Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor180 state:D stack:0 pid:6130 tgid:6130 ppid:6127 flags:0x00000005 Call trace: __switch_to+0x314/0x560 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5376 [inline] __schedule+0x1354/0x2360 kernel/sched/core.c:6688 __schedule_loop kernel/sched/core.c:6763 [inline] schedule+0xb8/0x19c kernel/sched/core.c:6778 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6835 rwsem_down_write_slowpath+0xcfc/0x1aa0 kernel/locking/rwsem.c:1178 __down_write_common kernel/locking/rwsem.c:1306 [inline] __down_write kernel/locking/rwsem.c:1315 [inline] down_write+0xb4/0xc0 kernel/locking/rwsem.c:1580 filemap_invalidate_lock include/linux/fs.h:847 [inline] blkdev_fallocate+0x1d8/0x4b8 block/fops.c:785 vfs_fallocate+0x478/0x5b4 fs/open.c:324 ksys_fallocate fs/open.c:347 [inline] __do_sys_fallocate fs/open.c:355 [inline] __se_sys_fallocate fs/open.c:353 [inline] __arm64_sys_fallocate+0xc0/0x110 fs/open.c:353 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 INFO: task syz-executor180:6131 blocked for more than 143 seconds. Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor180 state:D stack:0 pid:6131 tgid:6131 ppid:6128 flags:0x00000005 Call trace: __switch_to+0x314/0x560 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5376 [inline] __schedule+0x1354/0x2360 kernel/sched/core.c:6688 __schedule_loop kernel/sched/core.c:6763 [inline] schedule+0xb8/0x19c kernel/sched/core.c:6778 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6835 rwsem_down_write_slowpath+0xcfc/0x1aa0 kernel/locking/rwsem.c:1178 __down_write_common kernel/locking/rwsem.c:1306 [inline] __down_write kernel/locking/rwsem.c:1315 [inline] down_write+0xb4/0xc0 kernel/locking/rwsem.c:1580 filemap_invalidate_lock include/linux/fs.h:847 [inline] blkdev_fallocate+0x1d8/0x4b8 block/fops.c:785 vfs_fallocate+0x478/0x5b4 fs/open.c:324 ksys_fallocate fs/open.c:347 [inline] __do_sys_fallocate fs/open.c:355 [inline] __se_sys_fallocate fs/open.c:353 [inline] __arm64_sys_fallocate+0xc0/0x110 fs/open.c:353 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 Showing all locks held in the system: 1 lock held by khungtaskd/29: #0: ffff80008e6c48c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:300 1 lock held by klogd/5706: 2 locks held by getty/5859: #0: ffff0000d75900a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff800094e402f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201 1 lock held by syz-executor180/6125: 1 lock held by syz-executor180/6129: #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:847 [inline] #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 block/fops.c:785 1 lock held by syz-executor180/6130: #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:847 [inline] #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 block/fops.c:785 1 lock held by syz-executor180/6131: #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:847 [inline] #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 block/fops.c:785 1 lock held by syz-executor180/6138: #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:847 [inline] #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 block/fops.c:785 1 lock held by syz-executor180/6140: #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:847 [inline] #0: ffff0000c155c2d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 block/fops.c:785 =============================================