INFO: task syz-executor.0:10214 blocked for more than 143 seconds. Not tainted 6.10.0-rc2-syzkaller-00235-g8a92980606e3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:22872 pid:10214 tgid:10213 ppid:9390 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x1796/0x49d0 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 io_schedule+0x8d/0x110 kernel/sched/core.c:9043 TXN_SLEEP_DROP_LOCK fs/jfs/jfs_txnmgr.c:125 [inline] txBegin+0x260/0xce0 fs/jfs/jfs_txnmgr.c:374 jfs_create+0x21a/0xb90 fs/jfs/namei.c:98 lookup_open fs/namei.c:3505 [inline] open_last_lookups fs/namei.c:3574 [inline] path_openat+0x1425/0x3280 fs/namei.c:3804 do_filp_open+0x235/0x490 fs/namei.c:3834 do_sys_openat2+0x13e/0x1d0 fs/open.c:1405 do_sys_open fs/open.c:1420 [inline] __do_sys_open fs/open.c:1428 [inline] __se_sys_open fs/open.c:1424 [inline] __x64_sys_open+0x225/0x270 fs/open.c:1424 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa78a87cf69 RSP: 002b:00007fa78b5800c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fa78a9b3f80 RCX: 00007fa78a87cf69 RDX: 0000000000000002 RSI: 000000000014927e RDI: 0000000020000180 RBP: 00007fa78a8da6fe R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fa78a9b3f80 R15: 00007fff612aad58 Showing all locks held in the system: 1 lock held by khungtaskd/30: #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614 3 locks held by kworker/u8:3/51: 2 locks held by getty/4837: #0: ffff88802b0770a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201 2 locks held by syz-fuzzer/5086: 5 locks held by kworker/1:3/5127: #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc900039dfd00 ((work_completion)(&intf->reset_ws)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] #1: ffffc900039dfd00 ((work_completion)(&intf->reset_ws)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffff8880538b3190 (&dev->mutex){....}-{3:3}, at: device_trylock include/linux/device.h:1019 [inline] #2: ffff8880538b3190 (&dev->mutex){....}-{3:3}, at: usb_lock_device_for_reset+0x128/0x330 drivers/usb/core/usb.c:898 #3: ffff888023ed5518 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3206 [inline] #3: ffff888023ed5518 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_reset_device+0x5c8/0xb60 drivers/usb/core/hub.c:6314 #4: ffff888023594a68 (hcd->address0_mutex){+.+.}-{3:3}, at: usb_reset_and_verify_device+0x319/0x1440 drivers/usb/core/hub.c:6120