INFO: task syz-executor.4:6009 blocked for more than 143 seconds. Not tainted 5.15.151-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack: 0 pid: 6009 ppid: 4009 flags:0x00000005 Call trace: __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518 context_switch kernel/sched/core.c:5030 [inline] __schedule+0xf10/0x1e48 kernel/sched/core.c:6376 schedule+0x11c/0x1c8 kernel/sched/core.c:6459 rwsem_down_write_slowpath+0xca8/0x1340 kernel/locking/rwsem.c:1157 __down_write_common kernel/locking/rwsem.c:1284 [inline] __down_write kernel/locking/rwsem.c:1293 [inline] down_write+0x25c/0x260 kernel/locking/rwsem.c:1542 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 madvise_remove mm/madvise.c:928 [inline] madvise_vma mm/madvise.c:992 [inline] do_madvise+0x130c/0x2c70 mm/madvise.c:1207 __do_sys_madvise mm/madvise.c:1233 [inline] __se_sys_madvise mm/madvise.c:1231 [inline] __arm64_sys_madvise+0xa4/0xc0 mm/madvise.c:1231 __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: ffff800014ae1420 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:268 2 locks held by kworker/u4:7/1749: 2 locks held by getty/3731: #0: ffff0000d3984098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340 #1: ffff800018de62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 drivers/tty/n_tty.c:2158 1 lock held by syz-executor.3/6002: 1 lock held by syz-executor.4/6009: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.0/6084: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.2/6135: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x158/0x654 mm/readahead.c:195 1 lock held by syz-executor.4/6199: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x158/0x654 mm/readahead.c:195 1 lock held by syz-executor.1/6202: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.3/6208: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x158/0x654 mm/readahead.c:195 1 lock held by syz-executor.0/6256: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x158/0x654 mm/readahead.c:195 1 lock held by syz-executor.2/6311: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x158/0x654 mm/readahead.c:195 1 lock held by syz-executor.4/6395: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x158/0x654 mm/readahead.c:195 1 lock held by syz-executor.1/6422: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x158/0x654 mm/readahead.c:195 1 lock held by syz-executor.3/6462: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:834 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x208/0x438 block/fops.c:600 1 lock held by syz-executor.2/6505: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x158/0x654 mm/readahead.c:195 1 lock held by syz-executor.0/6522: #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline] #0: ffff0000c04b0990 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x158/0x654 mm/readahead.c:195 =============================================