INFO: task syz.3.97:6957 blocked for more than 146 seconds. Not tainted 6.12.0-rc4-syzkaller-gce8e69898653 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.97 state:D stack:0 pid:6957 tgid:6956 ppid:6423 flags:0x00000009 Call trace: __switch_to+0x428/0x860 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5328 [inline] __schedule+0x16f8/0x2804 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6782 xlog_grant_head_wait+0x404/0xb9c fs/xfs/xfs_log.c:266 xlog_grant_head_check+0x264/0x434 xfs_log_reserve+0x330/0xa14 fs/xfs/xfs_log.c:436 xfs_trans_reserve+0x1cc/0x57c fs/xfs/xfs_trans.c:195 xfs_trans_alloc+0x410/0x940 fs/xfs/xfs_trans.c:284 xfs_trans_alloc_inode+0x170/0x4f4 fs/xfs/xfs_trans.c:1077 xfs_attr_set+0x748/0x1178 fs/xfs/libxfs/xfs_attr.c:1097 xfs_attr_change+0x254/0x334 fs/xfs/xfs_xattr.c:129 xfs_xattr_set+0x198/0x2cc fs/xfs/xfs_xattr.c:187 __vfs_setxattr+0x3d8/0x400 fs/xattr.c:200 __vfs_setxattr_noperm+0x110/0x578 fs/xattr.c:234 __vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:295 vfs_setxattr+0x1a8/0x344 fs/xattr.c:321 do_setxattr fs/xattr.c:629 [inline] path_setxattr+0x30c/0x428 fs/xattr.c:658 __do_sys_lsetxattr fs/xattr.c:683 [inline] __se_sys_lsetxattr fs/xattr.c:679 [inline] __arm64_sys_lsetxattr+0xbc/0xd8 fs/xattr.c:679 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Showing all locks held in the system: 4 locks held by kworker/u8:0/11: #0: ffff0000c20f6948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x628/0x1600 kernel/workqueue.c:3203 #1: ffff8000978c7c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1600 kernel/workqueue.c:3203 #2: ffff0000cf0a20e0 (&type->s_umount_key#71){++++}-{3:3}, at: super_trylock_shared+0x28/0xe4 fs/super.c:562 #3: ffff0000ccf29350 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2199 [inline] #3: ffff0000ccf29350 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_balance_fs+0x4a8/0x69c fs/f2fs/segment.c:448 1 lock held by khungtaskd/31: #0: ffff80008f9e07a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:336 2 locks held by kworker/u8:3/44: 3 locks held by kworker/u8:4/205: #0: ffff0000d13b5148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x628/0x1600 kernel/workqueue.c:3203 #1: ffff80009b857c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1600 kernel/workqueue.c:3203 #2: ffff8000927131a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 3 locks held by kworker/u8:10/4387: #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x628/0x1600 kernel/workqueue.c:3203 #1: ffff8000a02a7c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1600 kernel/workqueue.c:3203 #2: ffff8000927131a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 1 lock held by dhcpcd/6092: #0: ffff8000927131a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffff8000927131a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x5e8/0xa9c net/core/rtnetlink.c:6672 2 locks held by getty/6187: #0: ffff0000d252b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80009b80e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2211 2 locks held by kworker/1:3/6429: #0: ffff0000cd0bb548 ((wq_completion)xfs-sync/loop3){+.+.}-{0:0}, at: process_one_work+0x628/0x1600 kernel/workqueue.c:3203 #1: ffff8000a3937c20 ((work_completion)(&(&log->l_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1600 kernel/workqueue.c:3203 3 locks held by kworker/1:6/6519: #0: ffff0000c0028948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x628/0x1600 kernel/workqueue.c:3203 #1: ffff8000a37a7c20 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1600 kernel/workqueue.c:3203 #2: ffff8000927131a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 3 locks held by syz.3.97/6957: #0: ffff0000db41e420 (sb_writers#19){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:515 #1: ffff0000ddaf0330 (&sb->s_type->i_mutex_key#23){++++}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline] #1: ffff0000ddaf0330 (&sb->s_type->i_mutex_key#23){++++}-{3:3}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:320 #2: ffff0000db41e610 (sb_internal#4){.+.+}-{0:0}, at: xfs_trans_alloc_inode+0x170/0x4f4 fs/xfs/xfs_trans.c:1077 5 locks held by syz.4.153/7414: 2 locks held by kworker/u8:12/7593: #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x628/0x1600 kernel/workqueue.c:3203 #1: ffff80009f6c7c20 (connector_reaper_work){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1600 kernel/workqueue.c:3203 2 locks held by kworker/u8:13/7598: #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x628/0x1600 kernel/workqueue.c:3203 #1: ffff8000a0017c20 ((reaper_work).work){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1600 kernel/workqueue.c:3203 4 locks held by kworker/u8:14/7743: #0: ffff0000c1891948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x628/0x1600 kernel/workqueue.c:3203 #1: ffff80009f257c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1600 kernel/workqueue.c:3203 #2: ffff800092706c90 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x13c/0x9b4 net/core/net_namespace.c:580 #3: ffff8000927131a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 1 lock held by syz.9.226/8112: 1 lock held by syz-executor/8265: #0: ffff8000927131a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffff8000927131a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x5e8/0xa9c net/core/rtnetlink.c:6672 1 lock held by syz-executor/8267: #0: ffff8000927131a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffff8000927131a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x5e8/0xa9c net/core/rtnetlink.c:6672 1 lock held by syz.0.241/8352: #0: ffff8000927131a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 1 lock held by syz-executor/8380: #0: ffff8000927131a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffff8000927131a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x5e8/0xa9c net/core/rtnetlink.c:6672 1 lock held by syz.7.258/8442: #0: ffff0000eec21408 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline] #0: ffff0000eec21408 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:657 [inline] #0: ffff0000eec21408 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x80/0x1e8 net/socket.c:1426 =============================================