INFO: task syz-executor.4:5677 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: 5677 ppid: 4878 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] blkdev_fallocate+0x208/0x424 block/fops.c:603 vfs_fallocate+0x4a4/0x5f4 fs/open.c:308 ksys_fallocate fs/open.c:331 [inline] __do_sys_fallocate fs/open.c:339 [inline] __se_sys_fallocate fs/open.c:337 [inline] __arm64_sys_fallocate+0xc0/0x110 fs/open.c:337 __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:5693 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 state:D stack: 0 pid: 5693 ppid: 4890 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] blkdev_fallocate+0x208/0x424 block/fops.c:603 vfs_fallocate+0x4a4/0x5f4 fs/open.c:308 ksys_fallocate fs/open.c:331 [inline] __do_sys_fallocate fs/open.c:339 [inline] __se_sys_fallocate fs/open.c:337 [inline] __arm64_sys_fallocate+0xc0/0x110 fs/open.c:337 __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: ffff8000144814e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:312 2 locks held by kworker/u4:2/148: 1 lock held by klogd/3649: 2 locks held by getty/3803: #0: ffff0000d3673098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340 #1: ffff80001be9e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c drivers/tty/n_tty.c:2158 1 lock held by syz-executor.1/5644: 1 lock held by syz-executor.4/5677: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor/5693: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor.3/5938: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor.1/5941: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor.2/5943: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor.4/5954: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor/5956: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor.3/6012: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor.2/6015: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor.4/6039: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor/6041: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor.1/6043: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor.2/6087: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor.3/6102: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor.4/6122: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor.1/6124: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor/6126: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor.2/6161: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor.3/6165: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor.4/6205: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor/6217: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 1 lock held by syz-executor.1/6219: #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:832 [inline] #0: ffff0000cc454458 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x424 block/fops.c:603 =============================================