INFO: task syz.1.75:6811 blocked for more than 145 seconds.
Not tainted 6.16.0-rc7-syzkaller-g82af5ea7c611 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.75 state:D stack:0 pid:6811 tgid:6810 ppid:6526 task_flags:0x400140 flags:0x00000019
Call trace:
__switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T)
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x141c/0x2a14 kernel/sched/core.c:6786
__schedule_loop kernel/sched/core.c:6864 [inline]
schedule+0xb4/0x230 kernel/sched/core.c:6879
io_schedule+0x84/0xf0 kernel/sched/core.c:7724
xfs_buf_wait_unpin+0x164/0x2bc fs/xfs/xfs_buf.c:1025
xfs_buf_submit+0x1e0/0xa5c fs/xfs/xfs_buf.c:1454
xfs_buf_delwri_submit+0x254/0x414 fs/xfs/xfs_buf.c:2057
xfs_qm_quotacheck+0x390/0x648 fs/xfs/xfs_qm.c:1583
xfs_qm_mount_quotas+0x1f0/0x598 fs/xfs/xfs_qm.c:1692
xfs_mountfs+0x1554/0x1c04 fs/xfs/xfs_mount.c:1186
xfs_fs_fill_super+0xe74/0x11f0 fs/xfs/xfs_super.c:1965
get_tree_bdev_flags+0x360/0x414 fs/super.c:1681
get_tree_bdev+0x2c/0x3c fs/super.c:1704
xfs_fs_get_tree+0x28/0x38 fs/xfs/xfs_super.c:2012
vfs_get_tree+0x90/0x28c fs/super.c:1804
do_new_mount+0x228/0x814 fs/namespace.c:3902
path_mount+0x5b4/0xde0 fs/namespace.c:4226
do_mount fs/namespace.c:4239 [inline]
__do_sys_mount fs/namespace.c:4450 [inline]
__se_sys_mount fs/namespace.c:4427 [inline]
__arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4427
__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+0x58/0x180 arch/arm64/kernel/entry-common.c:879
el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
Showing all locks held in the system:
1 lock held by kthreadd/2:
2 locks held by kworker/0:0/9:
3 locks held by kworker/u8:0/12:
3 locks held by kworker/u8:1/14:
1 lock held by khungtaskd/32:
#0: ffff80008f869980 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330
3 locks held by kworker/u8:2/41:
3 locks held by kworker/u8:3/42:
3 locks held by kworker/u8:4/238:
3 locks held by kworker/u8:5/273:
3 locks held by kworker/u8:6/298:
3 locks held by kworker/u8:7/511:
2 locks held by kworker/1:2/1826:
3 locks held by kworker/u8:8/2118:
3 locks held by kworker/u8:9/3888:
3 locks held by kworker/R-ipv6_/4173:
#0: ffff0000d23fc148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3212
#1: ffff8000a08e7ba0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6d4/0x155c kernel/workqueue.c:3212
#2: ffff8000928c7ba8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
4 locks held by kworker/R-bat_e/4254:
1 lock held by klogd/6131:
2 locks held by udevd/6142:
1 lock held by dhcpcd/6196:
1 lock held by dhcpcd/6197:
1 lock held by crond/6271:
4 locks held by kworker/0:3/6280:
#0: ffff0000c0028d48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3212
#1: ffff8000a1b67bc0 (reg_work){+.+.}-{0:0}, at: process_one_work+0x6d4/0x155c kernel/workqueue.c:3212
#2: ffff8000928c7ba8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
#3: ffff0000d5850768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6062 [inline]
#3: ffff0000d5850768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_process_self_managed_hints+0xc4/0x1c0 net/wireless/reg.c:3209
2 locks held by getty/6296:
#0: ffff0000d78a00a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
#1: ffff80009ba302f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa4 drivers/tty/n_tty.c:2222
1 lock held by udevd/6520:
2 locks held by syz-executor/6527:
3 locks held by syz-executor/6532:
1 lock held by syz-executor/6536:
3 locks held by syz-executor/6538:
4 locks held by udevd/6736:
1 lock held by syz.1.75/6811:
#0: ffff0000d285a0e0 (&type->s_umount_key#67/1){+.+.}-{4:4}, at: alloc_super+0x1a0/0x80c fs/super.c:345
2 locks held by kworker/u8:10/6844:
3 locks held by syz-executor/6847:
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