INFO: task syz-executor.4:3360 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.4 state:D stack:0 pid:3360 ppid:3142 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 coredump_task_exit+0x10c/0x180 kernel/exit.c:385 do_exit+0xb4/0xcac kernel/exit.c:770 do_group_exit+0x98/0xcc kernel/exit.c:950 get_signal+0xabc/0xb2c kernel/signal.c:2858 do_signal+0x128/0x438 arch/arm64/kernel/signal.c:1076 do_notify_resume+0xc0/0x1f0 arch/arm64/kernel/signal.c:1129 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 INFO: task syz-executor.4:3361 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.4 state:D stack:0 pid:3361 ppid:3142 flags:0x00000001 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 xlog_grant_head_wait+0x118/0x1e0 fs/xfs/xfs_log.c:307 xlog_grant_head_check+0x118/0x19c xfs_log_reserve+0x21c/0x3d8 fs/xfs/xfs_log.c:486 xfs_trans_reserve+0x13c/0x260 fs/xfs/xfs_trans.c:194 xfs_trans_alloc+0x258/0x3d0 fs/xfs/xfs_trans.c:283 xfs_trans_alloc_icreate+0x70/0x1d4 fs/xfs/xfs_trans.c:1246 xfs_create+0x1f4/0x5d0 fs/xfs/xfs_inode.c:1002 xfs_generic_create+0x1b4/0x5c4 fs/xfs/xfs_iops.c:199 xfs_vn_create+0x44/0x58 fs/xfs/xfs_iops.c:275 lookup_open fs/namei.c:3413 [inline] open_last_lookups fs/namei.c:3481 [inline] path_openat+0x804/0x11c4 fs/namei.c:3711 do_filp_open+0xdc/0x1b8 fs/namei.c:3741 file_open_name fs/open.c:1255 [inline] filp_open+0x104/0x144 fs/open.c:1275 do_coredump+0xd2c/0x1010 fs/coredump.c:696 get_signal+0x788/0xb2c kernel/signal.c:2844 do_signal+0x128/0x438 arch/arm64/kernel/signal.c:1076 do_notify_resume+0xc0/0x1f0 arch/arm64/kernel/signal.c:1129 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:638 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 getty/2758: #0: ffff0000c8091898 (&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 3 locks held by syz-executor.4/3361: #0: ffff00011c1ba460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x20/0x64 fs/namespace.c:393 #1: ffff000119fb0338 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff000119fb0338 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: open_last_lookups fs/namei.c:3478 [inline] #1: ffff000119fb0338 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: path_openat+0x2f4/0x11c4 fs/namei.c:3711 #2: ffff00011c1ba650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_icreate+0x70/0x1d4 fs/xfs/xfs_trans.c:1246 3 locks held by kworker/u4:10/4928: 3 locks held by kworker/u4:21/7889: 1 lock held by syz-executor.4/8134: #0: ffff00010a10e3d0 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #0: ffff00010a10e3d0 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:649 [inline] #0: ffff00010a10e3d0 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x40/0xf0 net/socket.c:1365 1 lock held by syz-executor.5/8135: #0: ffff00010a1d5850 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #0: ffff00010a1d5850 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:649 [inline] #0: ffff00010a1d5850 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x40/0xf0 net/socket.c:1365 1 lock held by syz-executor.1/8142: #0: ffff000118d966a8 (&nft_net->commit_mutex){+.+.}-{3:3}, at: nf_tables_valid_genid+0x3c/0xa0 net/netfilter/nf_tables_api.c:9316 3 locks held by syz-executor.1/8146: #0: ffff00010a10c150 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #0: ffff00010a10c150 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:649 [inline] #0: ffff00010a10c150 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x40/0xf0 net/socket.c:1365 #1: ffff80000d8942d8 ((netlink_chain).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x40/0x134 kernel/notifier.c:381 #2: ffff000118d966a8 (&nft_net->commit_mutex){+.+.}-{3:3}, at: nft_rcv_nl_event+0x98/0x248 net/netfilter/nf_tables_api.c:10034 =============================================