INFO: task syz-executor.4:4100 blocked for more than 143 seconds. Not tainted 5.15.158-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack: 0 pid: 4100 ppid: 3987 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 d_wait_lookup+0x1a0/0x27c fs/dcache.c:2563 d_alloc_parallel+0x9e0/0x11bc fs/dcache.c:2645 __lookup_slow+0x108/0x388 fs/namei.c:1648 lookup_slow+0x60/0x84 fs/namei.c:1680 walk_component+0x394/0x4cc fs/namei.c:1976 link_path_walk+0x5a0/0xc38 path_openat+0x1e8/0x26cc fs/namei.c:3738 do_filp_open+0x1a8/0x3b4 fs/namei.c:3769 do_sys_openat2+0x128/0x3d8 fs/open.c:1253 do_sys_open fs/open.c:1269 [inline] __do_sys_openat fs/open.c:1285 [inline] __se_sys_openat fs/open.c:1280 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1280 __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/u4:0/9: 1 lock held by khungtaskd/27: #0: ffff800014b114a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311 3 locks held by kworker/u4:2/148: #0: ffff0000d67af938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283 #1: ffff80001a3f7c00 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285 #2: ffff0000e9bb8d40 (&wdev->mtx){+.+.}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1033 [inline] #2: ffff0000e9bb8d40 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_rx_queued_mgmt+0xe4/0x2814 net/mac80211/ibss.c:1632 1 lock held by udevd/3589: #0: ffff0000cb2e5918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x12c/0x89c block/bdev.c:817 2 locks held by getty/3731: #0: ffff0000d2bf8098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340 #1: ffff80001a33b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 drivers/tty/n_tty.c:2158 2 locks held by syz-executor.4/4095: 1 lock held by syz-executor.4/4100: #0: ffff0000e9654188 (&type->i_mutex_dir_key#10){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:799 [inline] #0: ffff0000e9654188 (&type->i_mutex_dir_key#10){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1679 3 locks held by kworker/u4:11/5946: 4 locks held by syz-executor.0/7176: #0: ffff800016a92690 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:802 #1: ffff0000d66b0628 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5314 [inline] #1: ffff0000d66b0628 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: nl80211_pre_doit+0x174/0x494 net/wireless/nl80211.c:15005 #2: ffff0000e9bb8d40 (&wdev->mtx){+.+.}-{3:3}, at: wdev_lock net/wireless/core.h:220 [inline] #2: ffff0000e9bb8d40 (&wdev->mtx){+.+.}-{3:3}, at: cfg80211_leave_ibss+0x54/0x88 net/wireless/ibss.c:230 #3: ffff0000d66b17d0 (&local->sta_mtx){+.+.}-{3:3}, at: __sta_info_flush+0x168/0x46c net/mac80211/sta_info.c:1209 2 locks held by syz-executor.3/7180: #0: ffff0000cb2e5918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xe0/0x6b0 block/bdev.c:912 #1: ffff0000cb2c6468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x58/0x210 drivers/block/loop.c:2070 4 locks held by syz-executor.1/7183: 1 lock held by dhcpcd/7184: #0: ffff0000d4f30120 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1668 [inline] #0: ffff0000d4f30120 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x4c/0xbc0 net/packet/af_packet.c:3164 5 locks held by syz-executor.2/7188: 1 lock held by syz-executor.4/7187: #0: ffff0001b481f958 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:475 [inline] #0: ffff0001b481f958 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1326 [inline] #0: ffff0001b481f958 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1621 [inline] #0: ffff0001b481f958 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x328/0x1e48 kernel/sched/core.c:6290 =============================================