INFO: task syz-executor.3:25317 blocked for more than 143 seconds. Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:0 pid:25317 ppid:3122 flags:0x00000009 Call trace: __switch_to+0x180/0x298 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5209 [inline] __schedule+0x408/0x594 kernel/sched/core.c:6521 schedule+0x64/0xa4 kernel/sched/core.c:6597 io_schedule+0x38/0xbc kernel/sched/core.c:8741 __lock_metapage+0xb0/0x174 fs/jfs/jfs_metapage.c:50 lock_metapage fs/jfs/jfs_metapage.c:64 [inline] __get_metapage+0x464/0x7e0 fs/jfs/jfs_metapage.c:639 diIAGRead fs/jfs/jfs_imap.c:2662 [inline] diNewExt+0x7c0/0xaf4 fs/jfs/jfs_imap.c:2230 diAllocExt+0x478/0x734 fs/jfs/jfs_imap.c:1945 diAllocAG+0x10c/0x49c fs/jfs/jfs_imap.c:1662 diAlloc+0x104/0x98c fs/jfs/jfs_imap.c:1583 ialloc+0x5c/0x2fc fs/jfs/jfs_inode.c:56 jfs_mkdir+0xf8/0x490 fs/jfs/namei.c:225 vfs_mkdir+0x1f8/0x2b0 fs/namei.c:4036 do_mkdirat+0xe4/0x22c fs/namei.c:4061 __do_sys_mkdirat fs/namei.c:4076 [inline] __se_sys_mkdirat fs/namei.c:4074 [inline] __arm64_sys_mkdirat+0x40/0x54 fs/namei.c:4074 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x140 arch/arm64/kernel/syscall.c:197 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/11: #0: ffff80000d4a4768 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507 1 lock held by rcu_tasks_trace/12: #0: ffff80000d4a4db8 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507 1 lock held by khungtaskd/27: #0: ffff80000d4a4640 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:303 2 locks held by udevd/2605: 2 locks held by getty/2767: #0: ffff0000c8204898 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 drivers/tty/tty_ldisc.c:244 #1: ffff80000f6be2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x89c drivers/tty/n_tty.c:2177 2 locks held by kworker/u4:10/561: #0: ffff0000c0014938 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x270/0x504 kernel/workqueue.c:2262 #1: ffff0001fefddb88 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x280/0x380 kernel/sched/psi.c:909 2 locks held by kworker/u4:28/6382: #0: ffff0000c0014938 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x270/0x504 kernel/workqueue.c:2262 #1: ffff8000163ebd80 (connector_reaper_work){+.+.}-{0:0}, at: process_one_work+0x29c/0x504 kernel/workqueue.c:2264 2 locks held by kworker/u4:32/7537: #0: ffff0000c0014938 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x270/0x504 kernel/workqueue.c:2262 #1: ffff80001393bd80 ((reaper_work).work){+.+.}-{0:0}, at: process_one_work+0x29c/0x504 kernel/workqueue.c:2264 4 locks held by syz-executor.3/25317: #0: ffff000115055460 (sb_writers#28){.+.+}-{0:0}, at: mnt_want_write+0x20/0x64 fs/namespace.c:393 #1: ffff0001239dd488 (&type->i_mutex_dir_key#14/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:791 [inline] #1: ffff0001239dd488 (&type->i_mutex_dir_key#14/1){+.+.}-{3:3}, at: filename_create+0xf8/0x218 fs/namei.c:3807 #2: ffff000190f60920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diAlloc+0x8c/0x98c fs/jfs/jfs_imap.c:1343 #3: ffff0001239d8138 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diAllocExt+0x68/0x734 fs/jfs/jfs_imap.c:1910 4 locks held by syz-executor.0/26228: #0: ffff0001a9020460 (sb_writers#28){.+.+}-{0:0}, at: mnt_want_write+0x20/0x64 fs/namespace.c:393 #1: ffff0001239e5488 (&type->i_mutex_dir_key#14/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:791 [inline] #1: ffff0001239e5488 (&type->i_mutex_dir_key#14/1){+.+.}-{3:3}, at: filename_create+0xf8/0x218 fs/namei.c:3807 #2: ffff000134fe8920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diAlloc+0x8c/0x98c fs/jfs/jfs_imap.c:1343 #3: ffff0001239e0138 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diAllocExt+0x68/0x734 fs/jfs/jfs_imap.c:1910 2 locks held by syz-executor.0/26254: #0: ffff0001a9020460 (sb_writers#28){.+.+}-{0:0}, at: mnt_want_write+0x20/0x64 fs/namespace.c:393 #1: ffff0001239e5488 (&type->i_mutex_dir_key#14/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:791 [inline] #1: ffff0001239e5488 (&type->i_mutex_dir_key#14/1){+.+.}-{3:3}, at: filename_create+0xf8/0x218 fs/namei.c:3807 1 lock held by syz-executor.0/26261: #0: ffff0001239e5488 (&type->i_mutex_dir_key#14){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline] #0: ffff0001239e5488 (&type->i_mutex_dir_key#14){++++}-{3:3}, at: lookup_slow+0x34/0x68 fs/namei.c:1701 2 locks held by syz-executor.0/28421: 4 locks held by syz-executor.3/28431: 1 lock held by syz-executor.2/28433: #0: ffff0001fdd007d0 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #0: ffff0001fdd007d0 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:649 [inline] #0: ffff0001fdd007d0 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x40/0xf0 net/socket.c:1365 1 lock held by syz-executor.5/28434: #0: ffff0001fdd9e3d0 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #0: ffff0001fdd9e3d0 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:649 [inline] #0: ffff0001fdd9e3d0 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x40/0xf0 net/socket.c:1365 =============================================