INFO: task syz-executor.3:4828 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack: 0 pid: 4828 ppid: 4789 flags:0x00000005 Call trace: __switch_to+0x2f4/0x540 arch/arm64/kernel/process.c:521 context_switch kernel/sched/core.c:5049 [inline] __schedule+0xdfc/0x1bc4 kernel/sched/core.c:6395 schedule+0x11c/0x1c8 kernel/sched/core.c:6478 rwsem_down_write_slowpath+0xc34/0x145c kernel/locking/rwsem.c:1165 __down_write_common kernel/locking/rwsem.c:1292 [inline] __down_write kernel/locking/rwsem.c:1301 [inline] down_write+0xe8/0x12c kernel/locking/rwsem.c:1552 filemap_invalidate_lock include/linux/fs.h:832 [inline] blk_ioctl_zeroout block/ioctl.c:183 [inline] blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 blkdev_ioctl+0x5a4/0xc14 block/ioctl.c:598 block_ioctl+0xa4/0x118 block/fops.c:496 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:860 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 INFO: task syz-executor.0:4851 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack: 0 pid: 4851 ppid: 4800 flags:0x0000000d Call trace: __switch_to+0x2f4/0x540 arch/arm64/kernel/process.c:521 context_switch kernel/sched/core.c:5049 [inline] __schedule+0xdfc/0x1bc4 kernel/sched/core.c:6395 schedule+0x11c/0x1c8 kernel/sched/core.c:6478 rwsem_down_write_slowpath+0xc34/0x145c kernel/locking/rwsem.c:1165 __down_write_common kernel/locking/rwsem.c:1292 [inline] __down_write kernel/locking/rwsem.c:1301 [inline] down_write+0xe8/0x12c kernel/locking/rwsem.c:1552 filemap_invalidate_lock include/linux/fs.h:832 [inline] blk_ioctl_zeroout block/ioctl.c:183 [inline] blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 blkdev_ioctl+0x5a4/0xc14 block/ioctl.c:598 block_ioctl+0xa4/0x118 block/fops.c:496 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:860 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 INFO: task syz-executor.2:4853 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack: 0 pid: 4853 ppid: 4786 flags:0x00000005 Call trace: __switch_to+0x2f4/0x540 arch/arm64/kernel/process.c:521 context_switch kernel/sched/core.c:5049 [inline] __schedule+0xdfc/0x1bc4 kernel/sched/core.c:6395 schedule+0x11c/0x1c8 kernel/sched/core.c:6478 rwsem_down_write_slowpath+0xc34/0x145c kernel/locking/rwsem.c:1165 __down_write_common kernel/locking/rwsem.c:1292 [inline] __down_write kernel/locking/rwsem.c:1301 [inline] down_write+0xe8/0x12c kernel/locking/rwsem.c:1552 filemap_invalidate_lock include/linux/fs.h:832 [inline] blk_ioctl_zeroout block/ioctl.c:183 [inline] blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 blkdev_ioctl+0x5a4/0xc14 block/ioctl.c:598 block_ioctl+0xa4/0x118 block/fops.c:496 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:860 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 INFO: task syz-executor.4:4855 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack: 0 pid: 4855 ppid: 4806 flags:0x00000005 Call trace: __switch_to+0x2f4/0x540 arch/arm64/kernel/process.c:521 context_switch kernel/sched/core.c:5049 [inline] __schedule+0xdfc/0x1bc4 kernel/sched/core.c:6395 schedule+0x11c/0x1c8 kernel/sched/core.c:6478 rwsem_down_write_slowpath+0xc34/0x145c kernel/locking/rwsem.c:1165 __down_write_common kernel/locking/rwsem.c:1292 [inline] __down_write kernel/locking/rwsem.c:1301 [inline] down_write+0xe8/0x12c kernel/locking/rwsem.c:1552 filemap_invalidate_lock include/linux/fs.h:832 [inline] blk_ioctl_zeroout block/ioctl.c:183 [inline] blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 blkdev_ioctl+0x5a4/0xc14 block/ioctl.c:598 block_ioctl+0xa4/0x118 block/fops.c:496 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:860 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffff800014471360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:312 2 locks held by syslogd/3646: #0: ffff0001a0fb6958 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:475 [inline] #0: ffff0001a0fb6958 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1326 [inline] #0: ffff0001a0fb6958 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1621 [inline] #0: ffff0001a0fb6958 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x314/0x1bc4 kernel/sched/core.c:6309 #1: ffff0001a0fa3c88 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x43c/0x67c kernel/sched/psi.c:891 1 lock held by klogd/3650: 2 locks held by getty/3805: #0: ffff0000d4e84098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340 #1: ffff80001be8b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c drivers/tty/n_tty.c:2158 1 lock held by syz-executor.1/4784: 1 lock held by syz-executor.3/4828: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 2 locks held by kworker/u4:7/4841: 1 lock held by syz-executor.0/4851: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.2/4853: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.4/4855: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.1/4873: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.3/4911: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.0/4936: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.2/4938: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.4/4940: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.1/4961: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.3/4977: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.0/5015: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.2/5021: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.4/5029: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.1/5046: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.3/5062: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.0/5096: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.2/5102: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.4/5114: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.1/5135: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.3/5151: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.0/5183: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.2/5191: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 1 lock held by syz-executor.4/5203: #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:183 [inline] #0: ffff0000c05a7350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1c78/0x25fc block/ioctl.c:487 =============================================