INFO: task syz-executor.1:4519 blocked for more than 143 seconds. Not tainted 5.15.169-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack: 0 pid: 4519 ppid: 4331 flags:0x00000005 Call trace: __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518 context_switch kernel/sched/core.c:5027 [inline] __schedule+0xf10/0x1e48 kernel/sched/core.c:6373 schedule+0x11c/0x1c8 kernel/sched/core.c:6456 rwsem_down_write_slowpath+0xd94/0x17e0 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:834 [inline] blkdev_fallocate+0x208/0x438 block/fops.c:600 vfs_fallocate+0x478/0x5b4 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+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 INFO: task syz-executor.2:4526 blocked for more than 143 seconds. Not tainted 5.15.169-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack: 0 pid: 4526 ppid: 4315 flags:0x00000005 Call trace: __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518 context_switch kernel/sched/core.c:5027 [inline] __schedule+0xf10/0x1e48 kernel/sched/core.c:6373 schedule+0x11c/0x1c8 kernel/sched/core.c:6456 rwsem_down_write_slowpath+0xd94/0x17e0 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:834 [inline] blkdev_fallocate+0x208/0x438 block/fops.c:600 vfs_fallocate+0x478/0x5b4 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+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 INFO: task syz-executor.0:4532 blocked for more than 143 seconds. Not tainted 5.15.169-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack: 0 pid: 4532 ppid: 4342 flags:0x0000000d Call trace: __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518 context_switch kernel/sched/core.c:5027 [inline] __schedule+0xf10/0x1e48 kernel/sched/core.c:6373 schedule+0x11c/0x1c8 kernel/sched/core.c:6456 rwsem_down_write_slowpath+0xd94/0x17e0 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:834 [inline] blkdev_fallocate+0x208/0x438 block/fops.c:600 vfs_fallocate+0x478/0x5b4 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+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 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: ffff800014c822e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311 3 locks held by kworker/u4:1/136: 2 locks held by getty/3783: #0: ffff0000d3385098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340 #1: ffff80001d60b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 drivers/tty/n_tty.c:2158 3 locks held by kworker/1:6/4479: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283 #1: ffff80001fa57c00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285 #2: ffff0000e79d0240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x274/0x33c4 drivers/net/netdevsim/fib.c:1478 3 locks held by syz-executor.4/4503: 1 lock held by syz-executor.1/4519: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.2/4526: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.0/4532: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.3/4828: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.4/4839: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.1/4853: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.2/4855: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.0/4857: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.3/4888: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.4/4921: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.1/4936: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.2/4938: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.0/4940: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.3/4964: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.4/5005: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.1/5011: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.2/5022: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.0/5024: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.3/5054: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.4/5078: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.1/5100: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 2 locks held by kworker/u4:7/5109: 1 lock held by syz-executor.2/5111: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.0/5113: #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c51ff350 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 =============================================