INFO: task syz-executor157:5068 blocked for more than 143 seconds.
Not tainted 6.1.0-syzkaller-14321-g0a924817d2ed #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor157 state:D stack:20400 pid:5068 ppid:5067 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6555
schedule+0xcb/0x190 kernel/sched/core.c:6631
xlog_grant_head_wait+0x317/0x530 fs/xfs/xfs_log.c:307
xlog_grant_head_check+0x28c/0x470
xfs_log_reserve+0x310/0x6f0 fs/xfs/xfs_log.c:486
xfs_trans_reserve+0x231/0x690 fs/xfs/xfs_trans.c:194
xfs_trans_alloc+0x410/0x610 fs/xfs/xfs_trans.c:283
xfs_qm_qino_alloc+0x281/0x960 fs/xfs/xfs_qm.c:779
xfs_qm_init_quotainos+0x616/0x890 fs/xfs/xfs_qm.c:1548
xfs_qm_init_quotainfo+0x122/0x1000 fs/xfs/xfs_qm.c:643
xfs_qm_mount_quotas+0x98/0x610 fs/xfs/xfs_qm.c:1432
xfs_mountfs+0x1860/0x1ef0 fs/xfs/xfs_mount.c:959
xfs_fs_fill_super+0xf95/0x11f0 fs/xfs/xfs_super.c:1666
get_tree_bdev+0x400/0x620 fs/super.c:1282
vfs_get_tree+0x88/0x270 fs/super.c:1489
do_new_mount+0x289/0xad0 fs/namespace.c:3145
do_mount fs/namespace.c:3488 [inline]
__do_sys_mount fs/namespace.c:3697 [inline]
__se_sys_mount+0x2d3/0x3c0 fs/namespace.c:3674
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f36dd55a5fa
RSP: 002b:00007ffe1cea4bb8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00646975756f6e2c RCX: 00007f36dd55a5fa
RDX: 000000002000bb00 RSI: 0000000020000000 RDI: 00007ffe1cea4bd0
RBP: 00007ffe1cea4bd0 R08: 00007ffe1cea4c10 R09: 0000000000000002
R10: 0000000000008000 R11: 0000000000000206 R12: 0000000000000004
R13: 00005555563722c0 R14: 0000000000008000 R15: 00007ffe1cea4c10
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d326e90 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d327690 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
#0: ffffffff8d326cc0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/4747:
#0: ffff88802822e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015b02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1650 drivers/tty/n_tty.c:2177
2 locks held by syz-executor157/5068:
#0: ffff88802b68c0e0 (&type->s_umount_key#41/1){+.+.}-{3:3}, at: alloc_super+0x212/0x920 fs/super.c:228
#1: ffff88802b68c650 (sb_internal#2){.+.+}-{0:0}, at: xfs_qm_qino_alloc+0x281/0x960 fs/xfs/xfs_qm.c:779
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.0-syzkaller-14321-g0a924817d2ed #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x290 lib/dump_stack.c:106
nmi_cpu_backtrace+0x46f/0x4f0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1ba/0x420 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xcd5/0xd20 kernel/hung_task.c:377
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 6.1.0-syzkaller-14321-g0a924817d2ed #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:lock_is_held_type+0x117/0x180 kernel/locking/lockdep.c:5713
Code: 00 48 c7 c7 60 cc ed 8a e8 46 14 00 00 b8 ff ff ff ff 65 0f c1 05 09 e6 51 75 83 f8 01 75 38 9c 8f 04 24 f7 04 24 00 02 00 00 <75> 46 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 48
RSP: 0018:ffffc900000e7638 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 0000000000000006 RCX: 0000000080000002
RDX: 0000000000000000 RSI: ffffffff8aedcc60 RDI: ffffffff8b4bbfe0
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1d2cabe
R10: fffffbfff1d2cabe R11: 1ffffffff1d2cabd R12: 0000000000000046
R13: ffff88813fed0000 R14: 00000000ffffffff R15: ffffffff8d326c40
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005611ada35680 CR3: 000000000d08e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_is_held include/linux/lockdep.h:283 [inline]
rcu_read_lock_sched_held+0x87/0x110 kernel/rcu/update.c:125
trace_tlb_flush+0x93/0x210 include/trace/events/tlb.h:38
switch_mm_irqs_off+0x5f6/0x9c0
unuse_temporary_mm arch/x86/kernel/alternative.c:1518 [inline]
__text_poke+0x69e/0x900 arch/x86/kernel/alternative.c:1628
text_poke arch/x86/kernel/alternative.c:1671 [inline]
text_poke_bp_batch+0x64c/0x850 arch/x86/kernel/alternative.c:2027
text_poke_flush arch/x86/kernel/alternative.c:2131 [inline]
text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:2138
arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
static_key_disable_cpuslocked+0xc8/0x1b0 kernel/jump_label.c:235
static_key_disable+0x16/0x20 kernel/jump_label.c:243
toggle_allocation_gate+0x1a8/0x240 mm/kfence/core.c:804
process_one_work+0x877/0xdb0 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308