INFO: task syz.8.25:4661 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.8.25 state:D stack:0 pid:4661 ppid:4579 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdd0/0x1b0c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 rwsem_down_write_slowpath+0xb60/0x1280 kernel/locking/rwsem.c:1189 __down_write_common kernel/locking/rwsem.c:1314 [inline] __down_write kernel/locking/rwsem.c:1323 [inline] down_write+0x84/0x88 kernel/locking/rwsem.c:1574 inode_lock include/linux/fs.h:758 [inline] blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 vfs_fallocate+0x4a4/0x5f4 fs/open.c:323 ksys_fallocate fs/open.c:346 [inline] __do_sys_fallocate fs/open.c:354 [inline] __se_sys_fallocate fs/open.c:352 [inline] __arm64_sys_fallocate+0xc0/0x110 fs/open.c:352 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.6.23:4662 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.6.23 state:D stack:0 pid:4662 ppid:4578 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdd0/0x1b0c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 rwsem_down_write_slowpath+0xb60/0x1280 kernel/locking/rwsem.c:1189 __down_write_common kernel/locking/rwsem.c:1314 [inline] __down_write kernel/locking/rwsem.c:1323 [inline] down_write+0x84/0x88 kernel/locking/rwsem.c:1574 inode_lock include/linux/fs.h:758 [inline] blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 vfs_fallocate+0x4a4/0x5f4 fs/open.c:323 ksys_fallocate fs/open.c:346 [inline] __do_sys_fallocate fs/open.c:354 [inline] __se_sys_fallocate fs/open.c:352 [inline] __arm64_sys_fallocate+0xc0/0x110 fs/open.c:352 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.9.26:4699 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.9.26 state:D stack:0 pid:4699 ppid:4668 flags:0x00000001 Call trace: __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5245 [inline] __schedule+0xdd0/0x1b0c kernel/sched/core.c:6562 schedule+0xc4/0x170 kernel/sched/core.c:6638 rwsem_down_write_slowpath+0xb60/0x1280 kernel/locking/rwsem.c:1189 __down_write_common kernel/locking/rwsem.c:1314 [inline] __down_write kernel/locking/rwsem.c:1323 [inline] down_write+0x84/0x88 kernel/locking/rwsem.c:1574 inode_lock include/linux/fs.h:758 [inline] blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 vfs_fallocate+0x4a4/0x5f4 fs/open.c:323 ksys_fallocate fs/open.c:346 [inline] __do_sys_fallocate fs/open.c:354 [inline] __se_sys_fallocate fs/open.c:352 [inline] __arm64_sys_fallocate+0xc0/0x110 fs/open.c:352 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffff800015407c30 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517 1 lock held by rcu_tasks_trace/13: #0: ffff800015408450 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517 1 lock held by khungtaskd/28: #0: ffff8000154072c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 2 locks held by kworker/u4:3/650: 1 lock held by klogd/3925: 2 locks held by getty/4080: #0: ffff0000d712a098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80002092b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xfa0 drivers/tty/n_tty.c:2198 2 locks held by syz.7.24/4660: 1 lock held by syz.8.25/4661: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.6.23/4662: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.9.26/4699: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.0.27/5005: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.1.28/5086: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.3.30/5141: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.2.29/5155: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.4.31/5168: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.7.33/5242: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.5.32/5263: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.6.34/5284: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.8.35/5285: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.9.36/5286: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.0.37/5338: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.1.38/5368: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.3.40/5369: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.2.39/5370: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.4.41/5371: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.7.42/5447: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.9.46/5462: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.6.44/5483: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.8.45/5490: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.5.43/5491: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 3 locks held by kworker/u4:9/5512: 1 lock held by syz.0.47/5548: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.1.48/5553: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.3.50/5558: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.2.49/5571: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.4.51/5574: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.7.52/5664: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.9.53/5669: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.6.54/5679: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.8.56/5697: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 1 lock held by syz.5.55/5698: #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0000c54e0738 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: blkdev_fallocate+0x1b8/0x3fc block/fops.c:712 =============================================