INFO: task syz-executor.0:4560 blocked for more than 143 seconds. Not tainted 5.15.179-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack: 0 pid: 4560 ppid: 4321 flags:0x00000005 Call trace: __switch_to+0x308/0x588 arch/arm64/kernel/process.c:518 context_switch kernel/sched/core.c:5029 [inline] __schedule+0xf10/0x1e48 kernel/sched/core.c:6375 schedule+0x11c/0x1c8 kernel/sched/core.c:6458 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:832 [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.2:4582 blocked for more than 143 seconds. Not tainted 5.15.179-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack: 0 pid: 4582 ppid: 4330 flags:0x00000005 Call trace: __switch_to+0x308/0x588 arch/arm64/kernel/process.c:518 context_switch kernel/sched/core.c:5029 [inline] __schedule+0xf10/0x1e48 kernel/sched/core.c:6375 schedule+0x11c/0x1c8 kernel/sched/core.c:6458 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:832 [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.4:4579 blocked for more than 143 seconds. Not tainted 5.15.179-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack: 0 pid: 4579 ppid: 4322 flags:0x0000000d Call trace: __switch_to+0x308/0x588 arch/arm64/kernel/process.c:518 context_switch kernel/sched/core.c:5029 [inline] __schedule+0xf10/0x1e48 kernel/sched/core.c:6375 schedule+0x11c/0x1c8 kernel/sched/core.c:6458 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:832 [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: 3 locks held by kworker/0:0/7: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283 #1: ffff80001bce7c00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285 #2: ffff0000f47c9240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x274/0x33c4 drivers/net/netdevsim/fib.c:1480 1 lock held by khungtaskd/27: #0: ffff800014d41b60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311 2 locks held by getty/3777: #0: ffff0000d34b5098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340 #1: ffff80001d6db2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 drivers/tty/n_tty.c:2158 3 locks held by kworker/1:3/4042: #0: ffff0000d2873538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283 #1: ffff80001ffc7c00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285 #2: ffff800016cb61a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:72 3 locks held by kworker/0:4/4043: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283 #1: ffff800020177c00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285 #2: ffff0000e8abd240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x274/0x33c4 drivers/net/netdevsim/fib.c:1480 3 locks held by kworker/u4:6/4359: 3 locks held by kworker/0:6/4403: #0: ffff0000d2873538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283 #1: ffff800020867c00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285 #2: ffff800016cb61a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:72 1 lock held by syz-executor.3/4555: 1 lock held by syz-executor.0/4560: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.2/4582: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.4/4579: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.1/4802: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.3/4845: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.2/4852: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.0/4854: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.4/4856: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.1/4872: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.3/4922: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 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: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.0/4940: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.4/4942: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.1/4958: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.3/5004: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.2/5009: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.0/5024: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.4/5026: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.1/5042: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 2 locks held by syz-executor.4/5077: 1 lock held by syz-executor.3/5088: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.2/5098: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.0/5109: #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: blkdev_fallocate+0x208/0x438 block/fops.c:600 =============================================