INFO: task syz.0.61:6792 blocked for more than 143 seconds. Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.61 state:D stack:0 pid:6792 tgid:6791 ppid:6421 flags:0x00000009 Call trace: __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5369 [inline] __schedule+0x1744/0x27f0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6848 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6905 rwsem_down_write_slowpath+0xd10/0x14c8 kernel/locking/rwsem.c:1176 __down_write_common kernel/locking/rwsem.c:1304 [inline] __down_write kernel/locking/rwsem.c:1313 [inline] down_write+0xb4/0xc0 kernel/locking/rwsem.c:1578 inode_lock include/linux/fs.h:818 [inline] vfs_setxattr+0x17c/0x344 fs/xattr.c:320 do_setxattr fs/xattr.c:636 [inline] filename_setxattr+0x260/0x404 fs/xattr.c:665 path_setxattrat+0x370/0x41c fs/xattr.c:713 __do_sys_setxattr fs/xattr.c:747 [inline] __se_sys_setxattr fs/xattr.c:743 [inline] __arm64_sys_setxattr+0xc0/0xdc fs/xattr.c:743 __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 INFO: task syz.0.61:6835 blocked for more than 143 seconds. Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.61 state:D stack:0 pid:6835 tgid:6791 ppid:6421 flags:0x00000009 Call trace: __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5369 [inline] __schedule+0x1744/0x27f0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6848 xlog_grant_head_wait+0x404/0xb94 fs/xfs/xfs_log.c:266 xlog_grant_head_check+0x264/0x434 xfs_log_reserve+0x330/0x9f0 fs/xfs/xfs_log.c:436 xfs_trans_reserve+0x1cc/0x57c fs/xfs/xfs_trans.c:197 xfs_trans_alloc+0x410/0x93c fs/xfs/xfs_trans.c:286 xfs_trans_alloc_inode+0x170/0x4f4 fs/xfs/xfs_trans.c:1098 xfs_attr_set+0x748/0x1178 fs/xfs/libxfs/xfs_attr.c:1100 xfs_attr_change+0x254/0x334 fs/xfs/xfs_xattr.c:128 xfs_xattr_set+0x198/0x2cc fs/xfs/xfs_xattr.c:186 __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:636 [inline] filename_setxattr+0x260/0x404 fs/xattr.c:665 path_setxattrat+0x370/0x41c fs/xattr.c:713 __do_sys_lsetxattr fs/xattr.c:754 [inline] __se_sys_lsetxattr fs/xattr.c:750 [inline] __arm64_sys_lsetxattr+0xc0/0xdc fs/xattr.c:750 __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 INFO: task syz.0.61:6842 blocked for more than 143 seconds. Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.61 state:D stack:0 pid:6842 tgid:6791 ppid:6421 flags:0x00000001 Call trace: __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5369 [inline] __schedule+0x1744/0x27f0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6848 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6905 rwsem_down_write_slowpath+0xd10/0x14c8 kernel/locking/rwsem.c:1176 __down_write_common kernel/locking/rwsem.c:1304 [inline] __down_write kernel/locking/rwsem.c:1313 [inline] down_write+0xb4/0xc0 kernel/locking/rwsem.c:1578 inode_lock include/linux/fs.h:818 [inline] vfs_setxattr+0x17c/0x344 fs/xattr.c:320 do_setxattr fs/xattr.c:636 [inline] filename_setxattr+0x260/0x404 fs/xattr.c:665 path_setxattrat+0x370/0x41c fs/xattr.c:713 __do_sys_setxattr fs/xattr.c:747 [inline] __se_sys_setxattr fs/xattr.c:743 [inline] __arm64_sys_setxattr+0xc0/0xdc fs/xattr.c:743 __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 INFO: task syz.0.61:6845 blocked for more than 143 seconds. Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.61 state:D stack:0 pid:6845 tgid:6791 ppid:6421 flags:0x00000001 Call trace: __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5369 [inline] __schedule+0x1744/0x27f0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6848 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6905 rwsem_down_read_slowpath+0x534/0x858 kernel/locking/rwsem.c:1084 __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read_nested+0xa4/0x300 kernel/locking/rwsem.c:1650 xfs_ilock+0x134/0x418 fs/xfs/xfs_inode.c:152 xfs_ilock_iocb fs/xfs/xfs_file.c:198 [inline] xfs_file_dio_read+0x204/0x4b8 fs/xfs/xfs_file.c:245 xfs_file_read_iter+0x26c/0x510 fs/xfs/xfs_file.c:313 copy_splice_read+0x500/0x94c fs/splice.c:365 do_splice_read fs/splice.c:984 [inline] splice_direct_to_actor+0x3b0/0xa0c fs/splice.c:1089 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0x1e4/0x304 fs/splice.c:1233 do_sendfile+0x470/0x768 fs/read_write.c:1363 __do_sys_sendfile64 fs/read_write.c:1424 [inline] __se_sys_sendfile64 fs/read_write.c:1410 [inline] __arm64_sys_sendfile64+0x148/0x3a4 fs/read_write.c:1410 __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 INFO: task syz.0.61:6849 blocked for more than 143 seconds. Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.61 state:D stack:0 pid:6849 tgid:6791 ppid:6421 flags:0x00000001 Call trace: __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5369 [inline] __schedule+0x1744/0x27f0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6848 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6905 rwsem_down_read_slowpath+0x534/0x858 kernel/locking/rwsem.c:1084 __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read_nested+0xa4/0x300 kernel/locking/rwsem.c:1650 xfs_ilock+0x134/0x418 fs/xfs/xfs_inode.c:152 xfs_file_splice_read+0x2c4/0x744 fs/xfs/xfs_file.c:342 do_splice_read fs/splice.c:985 [inline] splice_direct_to_actor+0x38c/0xa0c fs/splice.c:1089 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0x1e4/0x304 fs/splice.c:1233 do_sendfile+0x470/0x768 fs/read_write.c:1363 __do_sys_sendfile64 fs/read_write.c:1424 [inline] __se_sys_sendfile64 fs/read_write.c:1410 [inline] __arm64_sys_sendfile64+0x148/0x3a4 fs/read_write.c:1410 __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 INFO: task syz.0.61:6852 blocked for more than 143 seconds. Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.61 state:D stack:0 pid:6852 tgid:6791 ppid:6421 flags:0x00000001 Call trace: __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5369 [inline] __schedule+0x1744/0x27f0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6848 xlog_grant_head_wait+0x404/0xb94 fs/xfs/xfs_log.c:266 xlog_grant_head_check+0x264/0x434 xfs_log_reserve+0x330/0x9f0 fs/xfs/xfs_log.c:436 xfs_trans_reserve+0x1cc/0x57c fs/xfs/xfs_trans.c:197 xfs_trans_alloc+0x410/0x93c fs/xfs/xfs_trans.c:286 xfs_vn_update_time+0x1d0/0x608 fs/xfs/xfs_iops.c:1103 inode_update_time fs/inode.c:2124 [inline] touch_atime+0x2f4/0x8e8 fs/inode.c:2197 file_accessed include/linux/fs.h:2539 [inline] filemap_read+0xb14/0xca8 mm/filemap.c:2714 generic_file_read_iter+0xa0/0x450 mm/filemap.c:2834 xfs_file_buffered_read+0x1c0/0x410 fs/xfs/xfs_file.c:290 xfs_file_read_iter+0x238/0x510 fs/xfs/xfs_file.c:315 __kernel_read+0x404/0x840 fs/read_write.c:523 kernel_read+0x78/0x90 fs/read_write.c:541 prepare_binprm fs/exec.c:1683 [inline] search_binary_handler fs/exec.c:1732 [inline] exec_binprm fs/exec.c:1790 [inline] bprm_execve+0x74c/0x151c fs/exec.c:1842 do_execveat_common+0x6c8/0x864 fs/exec.c:1949 do_execve fs/exec.c:2023 [inline] __do_sys_execve fs/exec.c:2099 [inline] __se_sys_execve fs/exec.c:2094 [inline] __arm64_sys_execve+0x98/0xb0 fs/exec.c:2094 __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: 1 lock held by khungtaskd/31: #0: ffff80008fb82560 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:336 3 locks held by kworker/u8:5/135: #0: ffff0000d23a0148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x60c/0x15cc kernel/workqueue.c:3203 #1: ffff80009b8b7c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a4/0x15cc kernel/workqueue.c:3203 #2: ffff8000928dab68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 3 locks held by kworker/u8:8/2086: #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x60c/0x15cc kernel/workqueue.c:3203 #1: ffff8000a0ee7c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6a4/0x15cc kernel/workqueue.c:3203 #2: ffff8000928dab68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 4 locks held by kworker/u8:9/4301: #0: ffff0000c1899948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x60c/0x15cc kernel/workqueue.c:3203 #1: ffff80009e687c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6a4/0x15cc kernel/workqueue.c:3203 #2: ffff8000928ce7d0 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x13c/0xa34 net/core/net_namespace.c:602 #3: ffff8000928dab68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 2 locks held by dhcpcd/6087: #0: ffff8000928c0208 (vlan_ioctl_mutex){+.+.}-{4:4}, at: sock_ioctl+0x574/0x838 net/socket.c:1290 #1: ffff8000928dab68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 2 locks held by getty/6174: #0: ffff0000d2aeb0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80009b9fe2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2211 2 locks held by kworker/0:8/6490: #0: ffff0000d5673d48 ((wq_completion)xfs-sync/loop0){+.+.}-{0:0}, at: process_one_work+0x60c/0x15cc kernel/workqueue.c:3203 #1: ffff8000a3bb7c20 ((work_completion)(&(&log->l_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a4/0x15cc kernel/workqueue.c:3203 2 locks held by syz.0.61/6792: #0: ffff0000d8e72420 (sb_writers#24){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:515 #1: ffff0000f155d0b0 (&sb->s_type->i_mutex_key#29){++++}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline] #1: ffff0000f155d0b0 (&sb->s_type->i_mutex_key#29){++++}-{4:4}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:320 3 locks held by syz.0.61/6835: #0: ffff0000d8e72420 (sb_writers#24){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:515 #1: ffff0000f155d0b0 (&sb->s_type->i_mutex_key#29){++++}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline] #1: ffff0000f155d0b0 (&sb->s_type->i_mutex_key#29){++++}-{4:4}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:320 #2: ffff0000d8e72610 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_inode+0x170/0x4f4 fs/xfs/xfs_trans.c:1098 2 locks held by syz.0.61/6842: #0: ffff0000d8e72420 (sb_writers#24){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:515 #1: ffff0000f155d0b0 (&sb->s_type->i_mutex_key#29){++++}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline] #1: ffff0000f155d0b0 (&sb->s_type->i_mutex_key#29){++++}-{4:4}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:320 1 lock held by syz.0.61/6845: #0: ffff0000f155d0b0 (&sb->s_type->i_mutex_key#29){++++}-{4:4}, at: xfs_ilock+0x134/0x418 fs/xfs/xfs_inode.c:152 1 lock held by syz.0.61/6849: #0: ffff0000f155d0b0 (&sb->s_type->i_mutex_key#29){++++}-{4:4}, at: xfs_ilock+0x134/0x418 fs/xfs/xfs_inode.c:152 4 locks held by syz.0.61/6852: #0: ffff0000d789b490 (&sig->cred_guard_mutex){+.+.}-{4:4}, at: prepare_bprm_creds fs/exec.c:1458 [inline] #0: ffff0000d789b490 (&sig->cred_guard_mutex){+.+.}-{4:4}, at: bprm_execve+0xb8/0x151c fs/exec.c:1822 #1: ffff0000f155c130 (&sb->s_type->i_mutex_key#29){++++}-{4:4}, at: xfs_ilock+0x134/0x418 fs/xfs/xfs_inode.c:152 #2: ffff0000d8e72420 (sb_writers#24){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2539 [inline] #2: ffff0000d8e72420 (sb_writers#24){.+.+}-{0:0}, at: filemap_read+0xb14/0xca8 mm/filemap.c:2714 #3: ffff0000d8e72610 (sb_internal#2){.+.+}-{0:0}, at: xfs_vn_update_time+0x1d0/0x608 fs/xfs/xfs_iops.c:1103 1 lock held by syz-executor/8771: #0: ffff8000928dab68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 1 lock held by syz-executor/8794: #0: ffff8000928dab68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffff8000928dab68 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x5e8/0xa9c net/core/rtnetlink.c:6927 1 lock held by syz-executor/9122: #0: ffff8000928dab68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffff8000928dab68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:326 [inline] #0: ffff8000928dab68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xa30/0x1960 net/core/rtnetlink.c:4010 2 locks held by syz-executor/9162: #0: ffff8000917e8ea0 (&ops->srcu#2){.+.+}-{0:0}, at: srcu_lock_acquire+0x18/0x54 include/linux/srcu.h:157 #1: ffff8000928dab68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #1: ffff8000928dab68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:326 [inline] #1: ffff8000928dab68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xa30/0x1960 net/core/rtnetlink.c:4010 2 locks held by syz-executor/9340: #0: ffff80008f9a1a98 (&ops->srcu#2){.+.+}-{0:0}, at: srcu_lock_acquire+0x18/0x54 include/linux/srcu.h:157 #1: ffff8000928dab68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #1: ffff8000928dab68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:326 [inline] #1: ffff8000928dab68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0xa30/0x1960 net/core/rtnetlink.c:4010 =============================================