INFO: task syz-executor240:5098 blocked for more than 143 seconds.
Not tainted 6.2.0-rc6-syzkaller-00011-gc0b67534c95c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor240 state:D stack:26136 pid:5098 ppid:5097 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6606
schedule+0xde/0x1b0 kernel/sched/core.c:6682
xlog_grant_head_wait+0x159/0xe00 fs/xfs/xfs_log.c:307
xlog_grant_head_check+0x3d9/0x420 fs/xfs/xfs_log.c:369
xfs_log_reserve+0x39d/0xb50 fs/xfs/xfs_log.c:486
xfs_trans_reserve+0x479/0x670 fs/xfs/xfs_trans.c:194
xfs_trans_alloc+0x336/0x9b0 fs/xfs/xfs_trans.c:283
xfs_qm_qino_alloc+0x397/0xb70 fs/xfs/xfs_qm.c:779
xfs_qm_init_quotainos+0x546/0x710 fs/xfs/xfs_qm.c:1548
xfs_qm_init_quotainfo+0xce/0xbe0 fs/xfs/xfs_qm.c:643
xfs_qm_mount_quotas+0x59/0x690 fs/xfs/xfs_qm.c:1432
xfs_mountfs+0x1e07/0x1f60 fs/xfs/xfs_mount.c:959
xfs_fs_fill_super+0x13b7/0x2000 fs/xfs/xfs_super.c:1666
get_tree_bdev+0x444/0x760 fs/super.c:1282
vfs_get_tree+0x8d/0x2f0 fs/super.c:1489
do_new_mount fs/namespace.c:3145 [inline]
path_mount+0x132a/0x1e20 fs/namespace.c:3475
do_mount fs/namespace.c:3488 [inline]
__do_sys_mount fs/namespace.c:3697 [inline]
__se_sys_mount fs/namespace.c:3674 [inline]
__x64_sys_mount+0x283/0x300 fs/namespace.c:3674
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa9185b662a
RSP: 002b:00007ffdae4820b8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00646975756f6e2c RCX: 00007fa9185b662a
RDX: 000000002000bb00 RSI: 0000000020000000 RDI: 00007ffdae4820d0
RBP: 00007ffdae4820d0 R08: 00007ffdae482110 R09: 0000000000000002
R10: 0000000000008000 R11: 0000000000000286 R12: 0000000000000004
R13: 00005555569292c0 R14: 0000000000008000 R15: 00007ffdae482110
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c790fb0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8c790cb0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
#0: ffffffff8c791b00 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494
4 locks held by klogd/4416:
#0: ffff8880b993b598 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2f/0x120 kernel/sched/core.c:537
#1: ffff8880b99287c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: __wake_up_common_lock+0xb8/0x140 kernel/sched/wait.c:137
#2: ffff88807e9c43f0 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0xb2/0x2080 kernel/sched/core.c:4149
#3: ffffffff8c791b00 (rcu_read_lock){....}-{1:2}, at: raw_spin_rq_lock_nested+0x2f/0x120 kernel/sched/core.c:537
2 locks held by getty/4747:
#0: ffff88802771d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
2 locks held by syz-executor240/5098:
#0: ffff88802b2da0e0 (&type->s_umount_key#41/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb60 fs/super.c:228
#1: ffff88802b2da650 (sb_internal#2){.+.+}-{0:0}, at: xfs_qm_qino_alloc+0x397/0xb70 fs/xfs/xfs_qm.c:779
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc6-syzkaller-00011-gc0b67534c95c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x333/0x3c0 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+0xc75/0xfc0 kernel/hung_task.c:377
kthread+0x2e8/0x3a0 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: 41 Comm: kworker/u4:2 Not tainted 6.2.0-rc6-syzkaller-00011-gc0b67534c95c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:smp_call_function_many_cond+0x2b2/0x10a0 kernel/smp.c:974
Code: 82 4b 04 00 00 e8 5e 00 0b 00 0f b6 5c 24 4f 31 ff 89 de e8 c0 fc 0a 00 84 db 0f 84 d2 01 00 00 c6 44 24 4f 00 e8 3e 00 0b 00 <48> 83 7c 24 10 00 0f 84 39 03 00 00 e8 2d 00 0b 00 48 8b 74 24 20
RSP: 0018:ffffc90000b27978 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: ffff888017d71d40 RSI: ffffffff817662a2 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880b993c6d0
R13: 0000000000000001 R14: 0000000000000002 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555673531680 CR3: 000000000c48e000 CR4: 0000000000350ee0
Call Trace:
on_each_cpu_cond_mask+0x5a/0xa0 kernel/smp.c:1155
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:1772 [inline]
text_poke_bp_batch+0x22e/0x6b0 arch/x86/kernel/alternative.c:1963
text_poke_flush arch/x86/kernel/alternative.c:2131 [inline]
text_poke_flush arch/x86/kernel/alternative.c:2128 [inline]
text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:2138
arch_jump_label_transform_apply+0x17/0x30 arch/x86/kernel/jump_label.c:146
jump_label_update+0x32f/0x410 kernel/jump_label.c:829
static_key_disable_cpuslocked+0x156/0x1b0 kernel/jump_label.c:235
static_key_disable+0x1a/0x20 kernel/jump_label.c:243
toggle_allocation_gate mm/kfence/core.c:804 [inline]
toggle_allocation_gate+0x143/0x230 mm/kfence/core.c:791
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308