INFO: task jfsCommit:95 blocked for more than 143 seconds. Not tainted 6.9.0-rc7-syzkaller-gfda5695d692c #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jfsCommit state:D stack:0 pid:95 tgid:95 ppid:2 flags:0x00000008 Call trace: __switch_to+0x314/0x560 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5409 [inline] __schedule+0x14b8/0x24e8 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6838 io_schedule+0x8c/0x12c kernel/sched/core.c:9044 __lock_metapage+0x1cc/0x458 fs/jfs/jfs_metapage.c:50 lock_metapage fs/jfs/jfs_metapage.c:64 [inline] __get_metapage+0x970/0x1054 fs/jfs/jfs_metapage.c:639 diIAGRead+0xe4/0x14c fs/jfs/jfs_imap.c:2669 diFree+0x800/0x2648 fs/jfs/jfs_imap.c:956 jfs_evict_inode+0x2d0/0x3f4 fs/jfs/inode.c:156 evict+0x260/0x68c fs/inode.c:667 iput_final fs/inode.c:1741 [inline] iput+0x760/0x844 fs/inode.c:1767 txUpdateMap+0x73c/0x8e4 fs/jfs/jfs_txnmgr.c:2367 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x3bc/0x9a8 fs/jfs/jfs_txnmgr.c:2733 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 Showing all locks held in the system: 1 lock held by khungtaskd/30: #0: ffff80008f087940 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:328 2 locks held by jfsCommit/95: #0: ffff0000f2660920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x2cc/0x2648 fs/jfs/jfs_imap.c:886 #1: ffff0000f0101cf8 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x2e0/0x2648 fs/jfs/jfs_imap.c:891 2 locks held by jfsCommit/96: #0: ffff0000d5030920 (&(imap->im_aglock[index])){+.+.}-{3:3}, at: diFree+0x2cc/0x2648 fs/jfs/jfs_imap.c:886 #1: ffff0000f4dff038 (&jfs_ip->rdwrlock/1){.+.+}-{3:3}, at: diFree+0x2e0/0x2648 fs/jfs/jfs_imap.c:891 2 locks held by getty/6008: #0: ffff0000d290d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff800097bdb2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201 2 locks held by syz-executor.0/6258: #0: ffff0000d998a0e0 (&type->s_umount_key#58){++++}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff0000d998a0e0 (&type->s_umount_key#58){++++}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline] #0: ffff0000d998a0e0 (&type->s_umount_key#58){++++}-{3:3}, at: deactivate_super+0xd8/0x100 fs/super.c:504 #1: ffff80008f4720c8 (jfs_log_mutex){+.+.}-{3:3}, at: lmLogClose+0xc8/0x4d4 fs/jfs/jfs_logmgr.c:1444 1 lock held by syz-executor.4/6636: #0: ffff0000d998a0e0 (&type->s_umount_key#58){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline] #0: ffff0000d998a0e0 (&type->s_umount_key#58){++++}-{3:3}, at: super_lock+0x244/0x33c fs/super.c:120 1 lock held by syz-executor.1/6768: #0: ffff0000d998a0e0 (&type->s_umount_key#58){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline] #0: ffff0000d998a0e0 (&type->s_umount_key#58){++++}-{3:3}, at: super_lock+0x244/0x33c fs/super.c:120 1 lock held by syz-executor.2/8109: #0: ffff0000d998a0e0 (&type->s_umount_key#58){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline] #0: ffff0000d998a0e0 (&type->s_umount_key#58){++++}-{3:3}, at: super_lock+0x244/0x33c fs/super.c:120 1 lock held by syz-executor.4/8120: #0: ffff0000d998a0e0 (&type->s_umount_key#58){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline] #0: ffff0000d998a0e0 (&type->s_umount_key#58){++++}-{3:3}, at: super_lock+0x244/0x33c fs/super.c:120 2 locks held by syz-executor.1/8264: #0: ffff0000f4df9800 (&type->i_mutex_dir_key#12){++++}-{3:3}, at: inode_lock include/linux/fs.h:795 [inline] #0: ffff0000f4df9800 (&type->i_mutex_dir_key#12){++++}-{3:3}, at: jfs_fsync+0xa0/0x1c0 fs/jfs/file.c:28 #1: ffff0000f4df9448 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: jfs_commit_inode+0x1d4/0x4f8 fs/jfs/inode.c:102 3 locks held by syz-executor.1/8265: #0: ffff0000e3004420 (sb_writers#19){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2855 [inline] #0: ffff0000e3004420 (sb_writers#19){.+.+}-{0:0}, at: vfs_write+0x368/0xc3c fs/read_write.c:586 #1: ffff0000f4dfaa80 (&sb->s_type->i_mutex_key#25){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:795 [inline] #1: ffff0000f4dfaa80 (&sb->s_type->i_mutex_key#25){+.+.}-{3:3}, at: jfs_fsync+0xa0/0x1c0 fs/jfs/file.c:28 #2: ffff0000f4dfa6c8 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: jfs_commit_inode+0x1d4/0x4f8 fs/jfs/inode.c:102 1 lock held by syz-executor.4/9081: #0: ffff0000d998a0e0 (&type->s_umount_key#58){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline] #0: ffff0000d998a0e0 (&type->s_umount_key#58){++++}-{3:3}, at: super_lock+0x244/0x33c fs/super.c:120 =============================================