INFO: task syz-executor.2:11812 blocked for more than 143 seconds. Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:0 pid:11812 tgid:11810 ppid:11798 flags:0x00000005 Call trace: __switch_to+0x314/0x560 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5376 [inline] __schedule+0x1354/0x2360 kernel/sched/core.c:6688 __schedule_loop kernel/sched/core.c:6763 [inline] schedule+0xb8/0x19c kernel/sched/core.c:6778 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6835 rwsem_down_write_slowpath+0xcfc/0x1aa0 kernel/locking/rwsem.c:1178 __down_write_common kernel/locking/rwsem.c:1306 [inline] __down_write kernel/locking/rwsem.c:1315 [inline] down_write+0xb4/0xc0 kernel/locking/rwsem.c:1580 __super_lock fs/super.c:56 [inline] super_lock+0x11c/0x328 fs/super.c:117 super_lock_excl fs/super.c:152 [inline] grab_super+0x6c/0x17c fs/super.c:542 grab_super_dead+0x9c/0x374 fs/super.c:580 sget+0x168/0x3e8 fs/super.c:881 mount_bdev+0xf0/0x2b4 fs/super.c:1630 v7_mount+0x44/0x58 fs/sysv/super.c:540 legacy_get_tree+0xd4/0x16c fs/fs_context.c:662 vfs_get_tree+0x90/0x288 fs/super.c:1771 do_new_mount+0x25c/0x8c8 fs/namespace.c:3337 path_mount+0x590/0xe04 fs/namespace.c:3664 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount fs/namespace.c:3863 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3863 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 Showing all locks held in the system: 1 lock held by khungtaskd/29: #0: ffff80008e6c48c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:300 2 locks held by getty/5850: #0: ffff0000d72310a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff800094e802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201 1 lock held by syz-executor.2/9103: 1 lock held by syz-executor.2/9237: 1 lock held by syz-executor.2/11698: #0: ffff0000cd7ec0e0 (&type->s_umount_key#114){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff0000cd7ec0e0 (&type->s_umount_key#114){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline] #0: ffff0000cd7ec0e0 (&type->s_umount_key#114){+.+.}-{3:3}, at: mount_bdev+0x1ac/0x2b4 fs/super.c:1648 1 lock held by syz-executor.2/11812: #0: ffff0000cd7ec0e0 (&type->s_umount_key#114){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline] ffff0000cd7ec0e0 (&type->s_umount_key#114){+.+.}-{3:3}, at: super_lock+0x11c/0x328 fs/super.c:117 1 lock held by syz-executor.2/11892: #0: ffff0000cd7ec0e0 (&type->s_umount_key#114){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff0000cd7ec0e0 (&type->s_umount_key#114){+.+.}-{3:3}, at: super_lock+0x11c/0x328 fs/super.c:117 1 lock held by syz-executor.2/11893: #0: ffff0000cd7ec0e0 (&type->s_umount_key#114){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff0000cd7ec0e0 (&type->s_umount_key#114){+.+.}-{3:3}, at: super_lock+0x11c/0x328 fs/super.c:117 1 lock held by syz-executor.5/13062: #0: ffff0001798160e0 (&type->s_umount_key#62){++++}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff0001798160e0 (&type->s_umount_key#62){++++}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline] #0: ffff0001798160e0 (&type->s_umount_key#62){++++}-{3:3}, at: mount_bdev+0x1ac/0x2b4 fs/super.c:1648 1 lock held by syz-executor.0/13068: #0: ffff000132e18210 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline] #0: ffff000132e18210 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:658 [inline] #0: ffff000132e18210 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x80/0x1e8 net/socket.c:1419 =============================================