INFO: task kworker/1:1H:364 blocked for more than 143 seconds.
Not tainted 6.4.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1H state:D stack:14088 pid:364 ppid:2 flags:0x00004000
Workqueue: xfs-log/loop0 xlog_ioend_work
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x694/0x9a0 kernel/sched/core.c:6669
schedule+0x68/0xc0 kernel/sched/core.c:6745
schedule_timeout+0x88/0x190 kernel/time/timer.c:2143
___down_common kernel/locking/semaphore.c:225 [inline]
__down_common+0xee/0x230 kernel/locking/semaphore.c:246
down+0x3c/0x40 kernel/locking/semaphore.c:63
xfs_buf_lock+0x4f/0x120 fs/xfs/xfs_buf.c:1119
xfs_buf_item_unpin+0x96/0x1e0 fs/xfs/xfs_buf_item.c:547
xfs_trans_committed_bulk+0x13d/0x2d0 fs/xfs/xfs_trans.c:806
xlog_cil_committed+0xa2/0x320 fs/xfs/xfs_log_cil.c:795
xlog_cil_process_committed+0x59/0x80 fs/xfs/xfs_log_cil.c:823
xlog_state_shutdown_callbacks+0x4b/0x110 fs/xfs/xfs_log.c:538
xlog_force_shutdown+0x138/0x170 fs/xfs/xfs_log.c:3837
xlog_ioend_work+0x43/0x70 fs/xfs/xfs_log.c:1429
process_one_work+0x245/0x490 kernel/workqueue.c:2405
worker_thread+0x218/0x370 kernel/workqueue.c:2552
kthread+0xe9/0x100 kernel/kthread.c:379
ret_from_fork+0x29/0x50 arch/x86/entry/entry_64.S:308
INFO: task syz.0.15:3286 blocked for more than 143 seconds.
Not tainted 6.4.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.15 state:D stack:12984 pid:3286 ppid:3059 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0x694/0x9a0 kernel/sched/core.c:6669
schedule+0x68/0xc0 kernel/sched/core.c:6745
xlog_wait fs/xfs/xfs_log_priv.h:617 [inline]
xlog_wait_on_iclog+0x14e/0x1c0 fs/xfs/xfs_log.c:926
xlog_force_lsn+0x24d/0x260 fs/xfs/xfs_log.c:3372
xfs_log_force_seq+0xab/0x180 fs/xfs/xfs_log.c:3409
__xfs_trans_commit+0x2bf/0x360 fs/xfs/xfs_trans.c:1014
xfs_sync_sb_buf+0x6a/0xb0 fs/xfs/libxfs/xfs_sb.c:1112
xfs_ioc_setlabel fs/xfs/xfs_ioctl.c:1801 [inline]
xfs_file_ioctl+0x45d/0xc70 fs/xfs/xfs_ioctl.c:1899
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl+0x6b/0xb0 fs/ioctl.c:856
do_syscall_64+0x46/0xc0
entry_SYSCALL_64_after_hwframe+0x73/0xdd
RIP: 0033:0x7f8f99cc8e79
RSP: 002b:00007f8f9974e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f8f99e64f80 RCX: 00007f8f99cc8e79
RDX: 0000000020000340 RSI: 0000000041009432 RDI: 0000000000000006
RBP: 00007f8f99d36916 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8f99e64f80 R15: 00007ffdc24da0e8
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8338a3e8 (rcu_tasks.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_one_gp kernel/rcu/tasks.h:518 [inline]
#0: ffffffff8338a3e8 (rcu_tasks.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_kthread+0x9c/0x460 kernel/rcu/tasks.h:563
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8338a6c8 (rcu_tasks_trace.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_one_gp kernel/rcu/tasks.h:518 [inline]
#0: ffffffff8338a6c8 (rcu_tasks_trace.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_kthread+0x9c/0x460 kernel/rcu/tasks.h:563
1 lock held by khungtaskd/28:
#0: ffffffff8338a2c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 include/trace/events/initcall.h:48
2 locks held by kworker/1:1H/364:
#0: ffff8881066bcf38 ((wq_completion)xfs-log/loop0){....}-{0:0}, at: process_one_work+0x1ce/0x490 kernel/workqueue.c:2378
#1: ffffc9000101be68 ((work_completion)(&iclog->ic_end_io_work)){....}-{0:0}, at: process_one_work+0x1f8/0x490 kernel/workqueue.c:2380
2 locks held by getty/2150:
#0: ffff88810c662098 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x20/0x40 drivers/tty/tty_ldisc.c:243
#1: ffffc90006f6b2f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x20e/0x8e0 drivers/tty/n_tty.c:2176
1 lock held by syz.0.15/3286:
#0: ffff888112ee9438 (sb_writers#12){....}-{0:0}, at: xfs_ioc_setlabel fs/xfs/xfs_ioctl.c:1783 [inline]
#0: ffff888112ee9438 (sb_writers#12){....}-{0:0}, at: xfs_file_ioctl+0x400/0xc70 fs/xfs/xfs_ioctl.c:1899
2 locks held by syz.0.1116/6166:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x83/0xd0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x146/0x160 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x8b/0x140 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0x4f4/0x520 kernel/hung_task.c:379
kthread+0xe9/0x100 kernel/kthread.c:379
ret_from_fork+0x29/0x50 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 336 Comm: kworker/u4:3 Not tainted 6.4.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:147 [inline]
RIP: 0010:wrmsrl arch/x86/include/asm/msr.h:262 [inline]
RIP: 0010:native_x2apic_icr_write arch/x86/include/asm/apic.h:238 [inline]
RIP: 0010:__x2apic_send_IPI_dest arch/x86/kernel/apic/x2apic_phys.c:123 [inline]
RIP: 0010:x2apic_send_IPI+0x2e/0x60 arch/x86/kernel/apic/x2apic_phys.c:48
Code: 48 63 c7 48 8b 04 c5 e0 d8 fe 82 0f b7 90 c0 59 01 00 0f ae f0 0f ae e8 83 fe 02 b8 00 04 00 00 0f 45 c6 b9 30 08 00 00 0f 30 <66> 90 c3 cc cc cc cc f3 0f 1e fa 89 c0 48 c1 e2 20 48 09 c2 bf 30
RSP: 0018:ffffc900011abc60 EFLAGS: 00000206
RAX: 00000000000000fb RBX: 0000000000000001 RCX: 0000000000000830
RDX: 0000000000000001 RSI: 00000000000000fb RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000000 R09: 0005800000000000
R10: 0000000000000000 R11: ffffffff81115720 R12: 0000000000000001
R13: 0000000000000002 R14: 0000000000000000 R15: ffff888237c2fd00
FS: 0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000003258000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
arch_send_call_function_single_ipi arch/x86/include/asm/smp.h:109 [inline]
send_call_function_single_ipi kernel/smp.c:112 [inline]
smp_call_function_many_cond+0x51d/0x9d0 kernel/smp.c:810
on_each_cpu_cond_mask+0x3a/0x70 kernel/smp.c:996
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:1770 [inline]
text_poke_bp_batch+0x217/0x300 arch/x86/kernel/alternative.c:2032
text_poke_flush arch/x86/kernel/alternative.c:2161 [inline]
text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:2168
arch_jump_label_transform_apply+0x17/0x30 arch/x86/kernel/jump_label.c:146
static_key_disable_cpuslocked kernel/jump_label.c:235 [inline]
static_key_disable+0x3f/0x60 kernel/jump_label.c:243
toggle_allocation_gate+0xe2/0x130 mm/kfence/core.c:836
process_one_work+0x245/0x490 kernel/workqueue.c:2405
worker_thread+0x218/0x370 kernel/workqueue.c:2552
kthread+0xe9/0x100 kernel/kthread.c:379
ret_from_fork+0x29/0x50 arch/x86/entry/entry_64.S:308