INFO: task syz-executor.1:4007 blocked for more than 143 seconds.
Tainted: G W 5.17.0-syzkaller-01442-gb47d5a4f6b8d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28208 pid: 4007 ppid: 3634 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6304
schedule+0xd2/0x1f0 kernel/sched/core.c:6376
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6435
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
vmci_qp_broker_detach+0x147/0x11b0 drivers/misc/vmw_vmci/vmci_queue_pair.c:2093
ctx_free_ctx+0x4cc/0xd30 drivers/misc/vmw_vmci/vmci_context.c:444
kref_put include/linux/kref.h:65 [inline]
vmci_ctx_put drivers/misc/vmw_vmci/vmci_context.c:497 [inline]
vmci_ctx_enqueue_datagram+0x4dc/0x620 drivers/misc/vmw_vmci/vmci_context.c:360
dg_dispatch_as_host drivers/misc/vmw_vmci/vmci_datagram.c:275 [inline]
vmci_datagram_dispatch+0x39b/0xb50 drivers/misc/vmw_vmci/vmci_datagram.c:339
qp_notify_peer+0x182/0x260 drivers/misc/vmw_vmci/vmci_queue_pair.c:1479
vmci_qp_broker_detach+0xa09/0x11b0 drivers/misc/vmw_vmci/vmci_queue_pair.c:2186
ctx_free_ctx+0x4cc/0xd30 drivers/misc/vmw_vmci/vmci_context.c:444
kref_put include/linux/kref.h:65 [inline]
vmci_ctx_put drivers/misc/vmw_vmci/vmci_context.c:497 [inline]
vmci_ctx_destroy+0x169/0x1d0 drivers/misc/vmw_vmci/vmci_context.c:195
vmci_host_close+0x116/0x1a0 drivers/misc/vmw_vmci/vmci_host.c:143
__fput+0x286/0x9f0 fs/file_table.c:317
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:188 [inline]
exit_to_user_mode_loop kernel/entry/common.c:189 [inline]
exit_to_user_mode_prepare+0x27e/0x290 kernel/entry/common.c:221
__syscall_exit_to_user_mode_work kernel/entry/common.c:303 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:314
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f5203dfac8b
RSP: 002b:00007ffeee05d580 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f5203dfac8b
RDX: 0000001b2e720000 RSI: 00007f5203bbf458 RDI: 0000000000000004
RBP: 00007f5203f5c960 R08: 0000000000000000 R09: 00000000348e707b
R10: 00007ffeee1e9090 R11: 0000000000000293 R12: 000000000003c2eb
R13: 00007ffeee05d680 R14: 00007ffeee05d6a0 R15: 0000000000000032
INFO: task syz-executor.0:4016 blocked for more than 143 seconds.
Tainted: G W 5.17.0-syzkaller-01442-gb47d5a4f6b8d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28648 pid: 4016 ppid: 3629 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6304
schedule+0xd2/0x1f0 kernel/sched/core.c:6376
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6435
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
vmci_qp_broker_detach+0x147/0x11b0 drivers/misc/vmw_vmci/vmci_queue_pair.c:2093
ctx_free_ctx+0x4cc/0xd30 drivers/misc/vmw_vmci/vmci_context.c:444
kref_put include/linux/kref.h:65 [inline]
vmci_ctx_put drivers/misc/vmw_vmci/vmci_context.c:497 [inline]
vmci_ctx_destroy+0x169/0x1d0 drivers/misc/vmw_vmci/vmci_context.c:195
vmci_host_close+0x116/0x1a0 drivers/misc/vmw_vmci/vmci_host.c:143
__fput+0x286/0x9f0 fs/file_table.c:317
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
get_signal+0x1de2/0x2490 kernel/signal.c:2671
arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:186 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:221
__syscall_exit_to_user_mode_work kernel/entry/common.c:303 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:314
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f1c95557049
RSP: 002b:00007f1c93ecc168 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: 0000000000000001 RBX: 00007f1c95669f60 RCX: 00007f1c95557049
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000020000900
RBP: 00007f1c955b108d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff3d59a57f R14: 00007f1c93ecc300 R15: 0000000000022000
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Tainted: G W 5.17.0-syzkaller-01442-gb47d5a4f6b8d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xc1d/0xf50 kernel/hung_task.c:369
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 10 Comm: kworker/u4:1 Tainted: G W 5.17.0-syzkaller-01442-gb47d5a4f6b8d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:__default_send_IPI_dest_field+0x7c/0x130 arch/x86/kernel/apic/ipi.c:173
Code: 00 c3 5f ff f6 c4 10 75 e2 44 89 e7 c1 e7 18 89 3c 25 10 c3 5f ff 89 f0 09 d8 80 cf 04 83 fe 02 0f 44 c3 89 04 25 00 c3 5f ff <48> 83 c4 08 5b 5d 41 5c c3 48 c7 c0 a0 7a 58 8b 48 ba 00 00 00 00
RSP: 0018:ffffc90000f0f9a8 EFLAGS: 00000006
RAX: 00000000000008fb RBX: 0000000000000c00 RCX: 0000000000000000
RDX: 0000000000000800 RSI: 00000000000000fb RDI: 0000000001000000
RBP: fffffbffffebf860 R08: 0000000000000000 R09: ffff8880b9d3aed7
R10: ffffffff817e6a0d R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000008 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c000643650 CR3: 000000000b88e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
_flat_send_IPI_mask+0x4e/0x60 arch/x86/kernel/apic/apic_flat_64.c:56
smp_call_function_many_cond+0xa98/0xc90 kernel/smp.c:949
on_each_cpu_cond_mask+0x56/0xa0 kernel/smp.c:1135
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:1112 [inline]
text_poke_bp_batch+0x5ad/0x6f0 arch/x86/kernel/alternative.c:1369
text_poke_flush arch/x86/kernel/alternative.c:1470 [inline]
text_poke_flush arch/x86/kernel/alternative.c:1467 [inline]
text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1477
arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
jump_label_update+0x32f/0x410 kernel/jump_label.c:830
static_key_enable_cpuslocked+0x1b1/0x260 kernel/jump_label.c:177
static_key_enable+0x16/0x20 kernel/jump_label.c:190
toggle_allocation_gate mm/kfence/core.c:735 [inline]
toggle_allocation_gate+0x100/0x390 mm/kfence/core.c:727
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
worker_thread+0x657/0x1110 kernel/workqueue.c:2454
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess), 4 bytes skipped:
0: f6 c4 10 test $0x10,%ah
3: 75 e2 jne 0xffffffe7
5: 44 89 e7 mov %r12d,%edi
8: c1 e7 18 shl $0x18,%edi
b: 89 3c 25 10 c3 5f ff mov %edi,0xffffffffff5fc310
12: 89 f0 mov %esi,%eax
14: 09 d8 or %ebx,%eax
16: 80 cf 04 or $0x4,%bh
19: 83 fe 02 cmp $0x2,%esi
1c: 0f 44 c3 cmove %ebx,%eax
1f: 89 04 25 00 c3 5f ff mov %eax,0xffffffffff5fc300
* 26: 48 83 c4 08 add $0x8,%rsp <-- trapping instruction
2a: 5b pop %rbx
2b: 5d pop %rbp
2c: 41 5c pop %r12
2e: c3 retq
2f: 48 c7 c0 a0 7a 58 8b mov $0xffffffff8b587aa0,%rax
36: 48 rex.W
37: ba 00 00 00 00 mov $0x0,%edx