INFO: task syz.1.113:4533 blocked for more than 143 seconds. Not tainted 5.15.185-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.113 state:D stack: 0 pid: 4533 ppid: 4033 flags:0x00000009 Call trace: __switch_to+0x2f4/0x558 arch/arm64/kernel/process.c:521 context_switch kernel/sched/core.c:5030 [inline] __schedule+0xe00/0x1c0c kernel/sched/core.c:6376 schedule+0x11c/0x1c8 kernel/sched/core.c:6459 io_schedule+0x84/0x160 kernel/sched/core.c:8484 wait_on_page_bit_common+0x61c/0xa74 mm/filemap.c:1356 __lock_page+0x8c/0xa8 mm/filemap.c:1648 lock_page include/linux/pagemap.h:625 [inline] pickup_page_for_submission fs/erofs/zdata.c:1135 [inline] z_erofs_submit_queue fs/erofs/zdata.c:1306 [inline] z_erofs_runqueue+0x5a4/0x12fc fs/erofs/zdata.c:1367 z_erofs_readahead+0x7cc/0xb3c fs/erofs/zdata.c:1459 read_pages+0x138/0x424 mm/readahead.c:130 page_cache_ra_unbounded+0x4fc/0x5dc mm/readahead.c:239 do_page_cache_ra mm/readahead.c:269 [inline] force_page_cache_ra+0x32c/0x394 mm/readahead.c:301 force_page_cache_readahead mm/internal.h:78 [inline] generic_fadvise+0x3c8/0x65c mm/fadvise.c:107 vfs_fadvise mm/fadvise.c:186 [inline] ksys_fadvise64_64 mm/fadvise.c:200 [inline] __do_sys_fadvise64_64 mm/fadvise.c:208 [inline] __se_sys_fadvise64_64 mm/fadvise.c:206 [inline] __arm64_sys_fadvise64_64+0x12c/0x174 mm/fadvise.c:206 __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+0x78/0x1e0 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: ffff8000143311e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311 2 locks held by getty/3792: #0: ffff0000d4620098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340 #1: ffff80001b8002e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c drivers/tty/n_tty.c:2158 2 locks held by kworker/u4:13/4257: #0: ffff0001a111d918 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:475 [inline] #0: ffff0001a111d918 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1326 [inline] #0: ffff0001a111d918 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1621 [inline] #0: ffff0001a111d918 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x310/0x1c0c kernel/sched/core.c:6290 #1: ffff0001a110ac48 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x414/0x68c kernel/sched/psi.c:891 1 lock held by syz.1.113/4533: #0: ffff0000e9698320 (mapping.invalidate_lock#4){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:842 [inline] #0: ffff0000e9698320 (mapping.invalidate_lock#4){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x140/0x5dc mm/readahead.c:195 3 locks held by syz-executor/6695: 2 locks held by syz.0.995/8124: #0: ffff0000ee8a93e8 (&wg->device_update_lock){+.+.}-{3:3}, at: wg_destruct+0x114/0x2d4 drivers/net/wireguard/device.c:233 #1: ffff800014335bb0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x54/0x49c kernel/rcu/tree.c:4039 2 locks held by syz.4.998/8130: 1 lock held by cmp/8156: =============================================