INFO: task syz.3.257:4858 blocked for more than 143 seconds.
Not tainted 5.15.162-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.257 state:D stack: 0 pid: 4858 ppid: 4244 flags:0x00000009
Call trace:
__switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0xf10/0x1e48 kernel/sched/core.c:6376
schedule+0x11c/0x1c8 kernel/sched/core.c:6459
xlog_grant_head_wait+0x390/0xa88 fs/xfs/xfs_log.c:256
xlog_grant_head_check+0x218/0x3d8
xfs_log_reserve+0x384/0xc1c fs/xfs/xfs_log.c:464
xfs_trans_reserve+0x1e8/0x5a4 fs/xfs/xfs_trans.c:197
xfs_trans_alloc+0x4c4/0xaa4 fs/xfs/xfs_trans.c:288
xfs_trans_alloc_inode+0x114/0x404 fs/xfs/xfs_trans.c:1047
xfs_attr_set+0x73c/0x11e0 fs/xfs/libxfs/xfs_attr.c:772
xfs_xattr_set+0x1a8/0x30c fs/xfs/xfs_xattr.c:59
__vfs_setxattr+0x388/0x3a4 fs/xattr.c:182
__vfs_setxattr_noperm+0x110/0x528 fs/xattr.c:216
__vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:277
vfs_setxattr+0x1a8/0x344 fs/xattr.c:303
do_setxattr fs/xattr.c:588 [inline]
setxattr+0x250/0x2b4 fs/xattr.c:611
path_setxattr+0x17c/0x258 fs/xattr.c:630
__do_sys_lsetxattr fs/xattr.c:653 [inline]
__se_sys_lsetxattr fs/xattr.c:649 [inline]
__arm64_sys_lsetxattr+0xbc/0xd8 fs/xattr.c:649
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
INFO: task syz.3.257:4890 blocked for more than 144 seconds.
Not tainted 5.15.162-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.257 state:D stack: 0 pid: 4890 ppid: 4244 flags:0x00000001
Call trace:
__switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0xf10/0x1e48 kernel/sched/core.c:6376
schedule+0x11c/0x1c8 kernel/sched/core.c:6459
xlog_grant_head_wait+0x390/0xa88 fs/xfs/xfs_log.c:256
xlog_grant_head_check+0x218/0x3d8
xfs_log_reserve+0x384/0xc1c fs/xfs/xfs_log.c:464
xfs_trans_reserve+0x1e8/0x5a4 fs/xfs/xfs_trans.c:197
xfs_trans_alloc+0x4c4/0xaa4 fs/xfs/xfs_trans.c:288
xfs_trans_alloc_icreate+0xc8/0x290 fs/xfs/xfs_trans.c:1102
xfs_create+0x578/0xfec fs/xfs/xfs_inode.c:1018
xfs_generic_create+0x390/0xb10 fs/xfs/xfs_iops.c:197
xfs_vn_create+0x44/0x58 fs/xfs/xfs_iops.c:275
lookup_open fs/namei.c:3462 [inline]
open_last_lookups fs/namei.c:3532 [inline]
path_openat+0xf18/0x26cc fs/namei.c:3739
do_filp_open+0x1a8/0x3b4 fs/namei.c:3769
do_sys_openat2+0x128/0x3d8 fs/open.c:1253
do_sys_open fs/open.c:1269 [inline]
__do_sys_openat fs/open.c:1285 [inline]
__se_sys_openat fs/open.c:1280 [inline]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1280
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffff800014b214e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311
5 locks held by kworker/u4:1/136:
#0: ffff0000c038c138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
#1: ffff80001a3e7c00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
#2: ffff800016a3ba10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf4/0x9bc net/core/net_namespace.c:561
#3: ffff0000e1c453e8 (&wg->device_update_lock){+.+.}-{3:3}, at: wg_destruct+0x11c/0x2dc drivers/net/wireguard/device.c:233
#4: ffff800014b259f0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x54/0x4b0 kernel/rcu/tree.c:4039
2 locks held by kworker/0:2/1528:
#0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
#1: ffff800020be7c00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
2 locks held by getty/3731:
#0: ffff0000d3778098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340
#1: ffff80001a22e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 drivers/tty/n_tty.c:2158
1 lock held by udevd/3963:
3 locks held by kworker/u5:3/3975:
#0: ffff0000dafd3938 ((wq_completion)hci7){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
#1: ffff80001cbe7c00 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
#2: ffff0000cfebcff0 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_open+0xb8/0x104c net/bluetooth/hci_core.c:1446
2 locks held by kworker/0:5/4017:
#0: ffff0000e3711538 ((wq_completion)xfs-sync/loop3){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
#1: ffff80001cf27c00 ((work_completion)(&(&log->l_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
5 locks held by kworker/1:9/4063:
#0: ffff0000c288dd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
#1: ffff80001cfb7c00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
#2: ffff0000cef0f220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#2: ffff0000cef0f220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1b8/0x46b8 drivers/usb/core/hub.c:5769
#3: ffff0000cef2a5d8 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3125 [inline]
#3: ffff0000cef2a5d8 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5351 [inline]
#3: ffff0000cef2a5d8 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5595 [inline]
#3: ffff0000cef2a5d8 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5741 [inline]
#3: ffff0000cef2a5d8 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x1ad0/0x46b8 drivers/usb/core/hub.c:5823
#4: ffff0000ce28d468 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5352 [inline]
#4: ffff0000ce28d468 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5595 [inline]
#4: ffff0000ce28d468 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5741 [inline]
#4: ffff0000ce28d468 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x1af4/0x46b8 drivers/usb/core/hub.c:5823
2 locks held by kworker/u4:7/4339:
#0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
#1: ffff80001d5f7c00 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
2 locks held by kworker/u4:13/4632:
3 locks held by syz.3.257/4858:
#0: ffff0000d83c4460 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377
#1: ffff0000e21e4680 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline]
#1: ffff0000e21e4680 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:302
#2: ffff0000d83c4650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_inode+0x114/0x404 fs/xfs/xfs_trans.c:1047
3 locks held by syz.3.257/4890:
#0: ffff0000d83c4460 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377
#1: ffff0000e41add00 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline]
#1: ffff0000e41add00 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: open_last_lookups fs/namei.c:3529 [inline]
#1: ffff0000e41add00 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: path_openat+0x640/0x26cc fs/namei.c:3739
#2: ffff0000d83c4650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_icreate+0xc8/0x290 fs/xfs/xfs_trans.c:1102
2 locks held by kworker/u4:27/5027:
#0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
#1: ffff80001d6b7c00 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
2 locks held by kworker/0:8/5103:
#0: ffff0000e1a2e138 ((wq_completion)xfs-sync/loop2){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
#1: ffff80001f5a7c00 ((work_completion)(&(&log->l_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
2 locks held by kworker/0:9/5104:
#0: ffff0000e3889938 ((wq_completion)xfs-sync/loop1){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
#1: ffff80001e6b7c00 ((work_completion)(&(&log->l_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
3 locks held by syz.1.319/5267:
#0: ffff0000c814e460 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377
#1: ffff0000e41ac680 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline]
#1: ffff0000e41ac680 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:302
#2: ffff0000c814e650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_inode+0x114/0x404 fs/xfs/xfs_trans.c:1047
3 locks held by syz.1.319/5301:
#0: ffff0000c814e460 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377
#1: ffff0000e4220300 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline]
#1: ffff0000e4220300 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: open_last_lookups fs/namei.c:3529 [inline]
#1: ffff0000e4220300 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: path_openat+0x640/0x26cc fs/namei.c:3739
#2: ffff0000c814e650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_icreate+0xc8/0x290 fs/xfs/xfs_trans.c:1102
3 locks held by syz.2.419/5524:
#0: ffff0000d8fd4460 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377
#1: ffff0000e21e4e00 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline]
#1: ffff0000e21e4e00 (&sb->s_type->i_mutex_key#23){+.+.}-{3:3}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:302
#2: ffff0000d8fd4650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_inode+0x114/0x404 fs/xfs/xfs_trans.c:1047
3 locks held by syz.2.419/5552:
#0: ffff0000d8fd4460 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377
#1: ffff0000e425bf00 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline]
#1: ffff0000e425bf00 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: open_last_lookups fs/namei.c:3529 [inline]
#1: ffff0000e425bf00 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: path_openat+0x640/0x26cc fs/namei.c:3739
#2: ffff0000d8fd4650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_icreate+0xc8/0x290 fs/xfs/xfs_trans.c:1102
2 locks held by kworker/0:12/6472:
#0: ffff0000c0021938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
#1: ffff80001d6c7c00 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
1 lock held by syz-executor/8334:
#0: ffff800014b25ae8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:322 [inline]
#0: ffff800014b25ae8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x2f0/0x660 kernel/rcu/tree_exp.h:845
2 locks held by syz.3.1673/9051:
#0: ffff0000df85a098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_write+0x40/0x50 drivers/tty/tty_ldsem.c:366
#1: ffff0000f5dbb098 (&tty->ldisc_sem/1){+.+.}-{0:0}, at: ldsem_down_write_nested+0x48/0x5c drivers/tty/tty_ldsem.c:427
=============================================