INFO: task syz.3.17:6582 blocked for more than 143 seconds. Not tainted 6.12.0-rc1-syzkaller-g3eddb108abe3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.17 state:D stack:0 pid:6582 tgid:6580 ppid:6429 flags:0x00000001 Call trace: __switch_to+0x420/0x6dc arch/arm64/kernel/process.c:603 context_switch kernel/sched/core.c:5315 [inline] __schedule+0x14bc/0x2718 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6767 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:1046 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:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 INFO: task syz.3.17:6629 blocked for more than 143 seconds. Not tainted 6.12.0-rc1-syzkaller-g3eddb108abe3 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.17 state:D stack:0 pid:6629 tgid:6580 ppid:6429 flags:0x00000001 Call trace: __switch_to+0x420/0x6dc arch/arm64/kernel/process.c:603 context_switch kernel/sched/core.c:5315 [inline] __schedule+0x14bc/0x2718 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6767 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_vn_update_time+0x1d0/0x608 fs/xfs/xfs_iops.c:1083 inode_update_time fs/inode.c:2053 [inline] touch_atime+0x348/0xb10 fs/inode.c:2126 file_accessed include/linux/fs.h:2528 [inline] iterate_dir+0x470/0x648 fs/readdir.c:111 __do_sys_getdents64 fs/readdir.c:407 [inline] __se_sys_getdents64 fs/readdir.c:392 [inline] __arm64_sys_getdents64+0x1c4/0x48c fs/readdir.c:392 __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:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 Showing all locks held in the system: 1 lock held by khungtaskd/31: #0: ffff80008f9bf5e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:336 3 locks held by kworker/u8:6/2116: #0: ffff0000d1ed1948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x628/0x1600 kernel/workqueue.c:3203 #1: ffff80009fe07c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1600 kernel/workqueue.c:3203 #2: ffff8000926efbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 4 locks held by kworker/u8:8/4327: #0: ffff0000c1891948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x628/0x1600 kernel/workqueue.c:3203 #1: ffff8000a3227c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1600 kernel/workqueue.c:3203 #2: ffff8000926e36d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x13c/0x9b4 net/core/net_namespace.c:580 #3: ffff8000926efbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 2 locks held by getty/6180: #0: ffff0000d2e8b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80009b7eb2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2211 2 locks held by kworker/0:4/6470: #0: ffff0000d23cd148 ((wq_completion)xfs-sync/loop3){+.+.}-{0:0}, at: process_one_work+0x628/0x1600 kernel/workqueue.c:3203 #1: ffff80009c447c20 ((work_completion)(&(&log->l_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1600 kernel/workqueue.c:3203 3 locks held by syz.3.17/6582: #0: ffff0000c4bac420 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:515 #1: ffff0000dcfdb970 (&sb->s_type->i_mutex_key#20){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline] #1: ffff0000dcfdb970 (&sb->s_type->i_mutex_key#20){+.+.}-{3:3}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:320 #2: ffff0000c4bac610 (sb_internal#3){.+.+}-{0:0}, at: xfs_trans_alloc_inode+0x170/0x4f4 fs/xfs/xfs_trans.c:1077 4 locks held by syz.3.17/6629: #0: ffff0000cebdab78 (&f->f_pos_lock){+.+.}-{3:3}, at: fdget_pos+0x214/0x2a0 fs/file.c:1187 #1: ffff0000dcfd8330 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: iterate_dir+0x1c4/0x648 fs/readdir.c:101 #2: ffff0000c4bac420 (sb_writers#13){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2528 [inline] #2: ffff0000c4bac420 (sb_writers#13){.+.+}-{0:0}, at: iterate_dir+0x470/0x648 fs/readdir.c:111 #3: ffff0000c4bac610 (sb_internal#3){.+.+}-{0:0}, at: xfs_vn_update_time+0x1d0/0x608 fs/xfs/xfs_iops.c:1083 3 locks held by kworker/u8:10/8032: #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x628/0x1600 kernel/workqueue.c:3203 #1: ffff8000a34e7c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1600 kernel/workqueue.c:3203 #2: ffff8000926efbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 1 lock held by syz-executor/8529: #0: ffff8000926efbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffff8000926efbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x5e8/0xa9c net/core/rtnetlink.c:6643 1 lock held by syz-executor/8532: #0: ffff8000926efbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffff8000926efbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x5e8/0xa9c net/core/rtnetlink.c:6643 1 lock held by syz.4.373/8759: #0: ffff8000926efbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffff8000926efbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x5e8/0xa9c net/core/rtnetlink.c:6643 1 lock held by syz.2.376/8778: #0: ffff8000926efbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 1 lock held by syz.0.378/8784: #0: ffff8000926efbe8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 =============================================