rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...!: (1 GPs behind) idle=4ed/1/0x4000000000000000 softirq=150283/150284 fqs=0
(detected by 1, t=10502 jiffies, g=249273, q=20 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 20545 Comm: syz-executor.3 Not tainted 5.19.0-rc8-syzkaller-00003-g5de64d44968e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
RIP: 0010:validate_chain+0x8/0x65c0 kernel/locking/lockdep.c:3785
Code: c7 c7 c8 df 03 8e e8 27 dd 71 00 e9 7c ff ff ff e8 bd fb c2 08 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 41 57 41 56 <41> 55 41 54 53 48 83 e4 e0 48 81 ec 00 03 00 00 49 89 ce 89 54 24
RSP: 0018:ffffc90000007a28 EFLAGS: 00000082
RAX: 1ffffffff1f48c70 RBX: ffffffff8fa46380 RCX: 221e6d18987de8af
RDX: 0000000000000001 RSI: ffff88807d4745b0 RDI: ffff88807d473b00
RBP: ffffc90000007a38 R08: dffffc0000000000 R09: fffffbfff1fa9802
R10: fffffbfff1fa9802 R11: 1ffffffff1fa9801 R12: 1ffff1100fa8e8aa
R13: 221e6d18987de8af R14: ffff88807d474550 R15: ffff88807d473b00
FS: 00007fbaf63cb700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200bd038 CR3: 000000007bb15000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__lock_acquire+0x129a/0x1f80 kernel/locking/lockdep.c:5053
lock_acquire+0x1a7/0x400 kernel/locking/lockdep.c:5665
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
_raw_spin_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:170
__run_hrtimer kernel/time/hrtimer.c:1689 [inline]
__hrtimer_run_queues+0x546/0xa60 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x3a6/0xfd0 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
__sysvec_apic_timer_interrupt+0xf9/0x280 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x16/0x20
RIP: 0010:wp_page_copy+0x684/0x16b0 mm/memory.c:3140
Code: 84 13 00 4c 89 bc 24 80 00 00 00 4c 89 6c 24 10 49 89 5d 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 5c 83 13 00 <4c> 8b 2b 48 8b 44 24 70 42 80 3c 20 00 4c 8b 7c 24 60 74 08 4c 89
RSP: 0018:ffffc900040f73a0 EFLAGS: 00000246
RAX: 1ffff1100dd68cbd RBX: ffff88806eb465e8 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc900040f7320
RBP: ffffc900040f7530 R08: dffffc0000000000 R09: fffff5200081ee64
R10: fffff5200081ee65 R11: 1ffff9200081ee64 R12: dffffc0000000000
R13: ffffc900040f7748 R14: 0000000000000000 R15: ffffc900040f7750
handle_pte_fault mm/memory.c:4922 [inline]
__handle_mm_fault mm/memory.c:5043 [inline]
handle_mm_fault+0x2573/0x3f00 mm/memory.c:5141
do_user_addr_fault+0x6ae/0xca0 arch/x86/mm/fault.c:1397
handle_page_fault arch/x86/mm/fault.c:1484 [inline]
exc_page_fault+0x7a/0x120 arch/x86/mm/fault.c:1540
asm_exc_page_fault+0x22/0x30
RIP: 0010:__put_user_nocheck_4+0x3/0x11
Code: 00 00 48 39 d9 73 54 0f 01 cb 66 89 01 31 c9 0f 01 ca c3 0f 1f 44 00 00 48 bb fd ef ff ff ff 7f 00 00 48 39 d9 73 34 0f 01 cb <89> 01 31 c9 0f 01 ca c3 66 0f 1f 44 00 00 48 bb f9 ef ff ff ff 7f
RSP: 0018:ffffc900040f7958 EFLAGS: 00050293
RAX: 0000000000000000 RBX: 00007fffffffeffd RCX: 00000000200bd038
RDX: 00000000200bd000 RSI: ffffffff8a8d3ea0 RDI: ffffffff8ae9a980
RBP: ffffc900040f7f08 R08: dffffc0000000000 R09: fffffbfff1c0758e
R10: fffffbfff1c0758e R11: 1ffffffff1c0758d R12: 0000000000000001
R13: ffffc900040f7a50 R14: 0000000000000001 R15: dffffc0000000000
__sys_sendmmsg+0x4b2/0xd20 net/socket.c:2633
__do_sys_sendmmsg net/socket.c:2657 [inline]
__se_sys_sendmmsg net/socket.c:2654 [inline]
__x64_sys_sendmmsg+0x9c/0xb0 net/socket.c:2654
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbaf5289209
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbaf63cb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007fbaf539bf60 RCX: 00007fbaf5289209
RDX: 0000000000000318 RSI: 00000000200bd000 RDI: 0000000000000004
RBP: 00007fbaf52e3161 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc2e7ef30f R14: 00007fbaf63cb300 R15: 0000000000022000
rcu: rcu_preempt kthread starved for 10502 jiffies! g249273 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:26304 pid: 16 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0x957/0xe20 kernel/sched/core.c:6458
schedule+0xeb/0x1b0 kernel/sched/core.c:6530
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1935
rcu_gp_fqs_loop+0x2b9/0xfb0 kernel/rcu/tree.c:1999
rcu_gp_kthread+0xa5/0x360 kernel/rcu/tree.c:2187
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 1
CPU: 1 PID: 20541 Comm: syz-executor.0 Not tainted 5.19.0-rc8-syzkaller-00003-g5de64d44968e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x473/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x168/0x280 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_check_gp_kthread_starvation+0x1da/0x250 kernel/rcu/tree_stall.h:518
print_other_cpu_stall+0x140a/0x1560 kernel/rcu/tree_stall.h:623
check_cpu_stall kernel/rcu/tree_stall.h:769 [inline]
rcu_pending kernel/rcu/tree.c:3977 [inline]
rcu_sched_clock_irq+0x9c4/0x19d0 kernel/rcu/tree.c:2675
update_process_times+0x148/0x1b0 kernel/time/timer.c:1839
tick_sched_handle kernel/time/tick-sched.c:243 [inline]
tick_sched_timer+0x377/0x540 kernel/time/tick-sched.c:1480
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x4cb/0xa60 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x3a6/0xfd0 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
__sysvec_apic_timer_interrupt+0xf9/0x280 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x16/0x20
RIP: 0010:csd_lock_wait kernel/smp.c:414 [inline]
RIP: 0010:smp_call_function_many_cond+0xf12/0x1500 kernel/smp.c:988
Code: 8b 3c 24 44 89 fe 83 e6 01 31 ff e8 78 e1 0a 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 08 e8 43 dd 0a 00 eb 46 90 f3 90 <42> 0f b6 04 3b 84 c0 75 11 41 f7 04 24 01 00 00 00 74 2b e8 26 dd
RSP: 0018:ffffc9000408f980 EFLAGS: 00000246
RAX: ffffffff817cb7da RBX: 1ffff11017348411 RCX: 0000000000040000
RDX: ffffc90003281000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc9000408fb40 R08: ffffffff817cb7a8 R09: fffffbfff1fa9801
R10: fffffbfff1fa9801 R11: 1ffffffff1fa9800 R12: ffff8880b9a42088
R13: 1ffff11017367580 R14: 0000000000000000 R15: dffffc0000000000
on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1154
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:1302 [inline]
text_poke_bp_batch+0x324/0x970 arch/x86/kernel/alternative.c:1490
text_poke_flush arch/x86/kernel/alternative.c:1660 [inline]
text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1667
arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
static_key_enable_cpuslocked+0x129/0x250 kernel/jump_label.c:177
static_key_enable+0x16/0x20 kernel/jump_label.c:190
__sched_core_enable kernel/sched/core.c:382 [inline]
sched_core_get+0x71/0x1d0 kernel/sched/core.c:406
sched_core_alloc_cookie+0x70/0xa0 kernel/sched/core_sched.c:18
sched_core_share_pid+0x2d1/0x760 kernel/sched/core_sched.c:184
__do_sys_prctl+0x338/0x1270 kernel/sys.c:2620
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3f0ac89209
================================
WARNING: inconsistent lock state
5.19.0-rc8-syzkaller-00003-g5de64d44968e #0 Not tainted
--------------------------------
inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage.
syz-executor.0/20541 [HC1[1]:SC0[0]:HE0:SE1] takes:
ffffffff8cbede98 (vmap_area_lock){?.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline]
ffffffff8cbede98 (vmap_area_lock){?.+.}-{2:2}, at: find_vmap_area+0x1d/0x120 mm/vmalloc.c:1805
{HARDIRQ-ON-W} state was registered at:
lock_acquire+0x1a7/0x400 kernel/locking/lockdep.c:5665
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:349 [inline]
alloc_vmap_area+0x18bb/0x1ae0 mm/vmalloc.c:1586
__get_vm_area_node+0x18a/0x380 mm/vmalloc.c:2453
get_vm_area_caller+0x45/0x50 mm/vmalloc.c:2506
__ioremap_caller+0x510/0x920 arch/x86/mm/ioremap.c:280
acpi_os_ioremap include/acpi/acpi_io.h:13 [inline]
acpi_map drivers/acpi/osl.c:296 [inline]
acpi_os_map_iomem+0x226/0x4b0 drivers/acpi/osl.c:355
acpi_tb_acquire_table+0xf5/0x25d drivers/acpi/acpica/tbdata.c:142
acpi_tb_validate_table drivers/acpi/acpica/tbdata.c:317 [inline]
acpi_tb_validate_temp_table+0xa6/0x10b drivers/acpi/acpica/tbdata.c:400
acpi_tb_verify_temp_table+0x82/0x8ed drivers/acpi/acpica/tbdata.c:504
acpi_reallocate_root_table+0x328/0x584 drivers/acpi/acpica/tbxface.c:180
acpi_early_init+0xdb/0x536 drivers/acpi/bus.c:1199
start_kernel+0x40b/0x55b init/main.c:1098
secondary_startup_64_no_verify+0xcf/0xdb
irq event stamp: 22740
hardirqs last enabled at (22739): [] asm_sysvec_apic_timer_interrupt+0x16/0x20
hardirqs last disabled at (22740): [] sysvec_apic_timer_interrupt+0xa/0xb0 arch/x86/kernel/apic/apic.c:1106
softirqs last enabled at (1740): [] __irq_exit_rcu+0xec/0x170 kernel/softirq.c:650
softirqs last disabled at (1603): [] __irq_exit_rcu+0xec/0x170 kernel/softirq.c:650
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(vmap_area_lock);
lock(vmap_area_lock);
*** DEADLOCK ***
4 locks held by syz-executor.0/20541:
#0: ffffffff8c9dcb68 (sched_core_mutex){+.+.}-{3:3}, at: sched_core_get+0x47/0x1d0 kernel/sched/core.c:404
#1: ffffffff8c9bd830 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_enable+0xe/0x20 kernel/jump_label.c:189
#2: ffffffff8cbb5dc8 (jump_label_mutex){+.+.}-{3:3}, at: jump_label_lock kernel/jump_label.c:27 [inline]
#2: ffffffff8cbb5dc8 (jump_label_mutex){+.+.}-{3:3}, at: static_key_enable_cpuslocked+0xcc/0x250 kernel/jump_label.c:174
#3: ffffffff8c9d1f48 (text_mutex){+.+.}-{3:3}, at: arch_jump_label_transform_apply+0xe/0x20 arch/x86/kernel/jump_label.c:145
stack backtrace:
CPU: 1 PID: 20541 Comm: syz-executor.0 Not tainted 5.19.0-rc8-syzkaller-00003-g5de64d44968e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
mark_lock_irq+0xb20/0xf00
mark_lock+0x21c/0x350 kernel/locking/lockdep.c:4632
mark_usage kernel/locking/lockdep.c:4524 [inline]
__lock_acquire+0xb43/0x1f80 kernel/locking/lockdep.c:5007
lock_acquire+0x1a7/0x400 kernel/locking/lockdep.c:5665
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:349 [inline]
find_vmap_area+0x1d/0x120 mm/vmalloc.c:1805
check_heap_object+0x30/0x820 mm/usercopy.c:176
__check_object_size+0xad/0x210 mm/usercopy.c:250
check_object_size include/linux/thread_info.h:199 [inline]
__copy_from_user_inatomic include/linux/uaccess.h:62 [inline]
copy_from_user_nmi+0x98/0x100 arch/x86/lib/usercopy.c:47
copy_code arch/x86/kernel/dumpstack.c:91 [inline]
show_opcodes+0xa2/0x120 arch/x86/kernel/dumpstack.c:121
show_ip arch/x86/kernel/dumpstack.c:144 [inline]
show_iret_regs+0x2f/0x60 arch/x86/kernel/dumpstack.c:149
__show_regs+0x29/0x500 arch/x86/kernel/process_64.c:74
show_regs_if_on_stack arch/x86/kernel/dumpstack.c:167 [inline]
show_trace_log_lvl+0x562/0x630 arch/x86/kernel/dumpstack.c:292
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x473/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x168/0x280 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_check_gp_kthread_starvation+0x1da/0x250 kernel/rcu/tree_stall.h:518
print_other_cpu_stall+0x140a/0x1560 kernel/rcu/tree_stall.h:623
check_cpu_stall kernel/rcu/tree_stall.h:769 [inline]
rcu_pending kernel/rcu/tree.c:3977 [inline]
rcu_sched_clock_irq+0x9c4/0x19d0 kernel/rcu/tree.c:2675
update_process_times+0x148/0x1b0 kernel/time/timer.c:1839
tick_sched_handle kernel/time/tick-sched.c:243 [inline]
tick_sched_timer+0x377/0x540 kernel/time/tick-sched.c:1480
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x4cb/0xa60 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x3a6/0xfd0 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
__sysvec_apic_timer_interrupt+0xf9/0x280 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x16/0x20
RIP: 0010:csd_lock_wait kernel/smp.c:414 [inline]
RIP: 0010:smp_call_function_many_cond+0xf12/0x1500 kernel/smp.c:988
Code: 8b 3c 24 44 89 fe 83 e6 01 31 ff e8 78 e1 0a 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 08 e8 43 dd 0a 00 eb 46 90 f3 90 <42> 0f b6 04 3b 84 c0 75 11 41 f7 04 24 01 00 00 00 74 2b e8 26 dd
RSP: 0018:ffffc9000408f980 EFLAGS: 00000246
RAX: ffffffff817cb7da RBX: 1ffff11017348411 RCX: 0000000000040000
RDX: ffffc90003281000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc9000408fb40 R08: ffffffff817cb7a8 R09: fffffbfff1fa9801
R10: fffffbfff1fa9801 R11: 1ffffffff1fa9800 R12: ffff8880b9a42088
R13: 1ffff11017367580 R14: 0000000000000000 R15: dffffc0000000000
on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1154
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:1302 [inline]
text_poke_bp_batch+0x324/0x970 arch/x86/kernel/alternative.c:1490
text_poke_flush arch/x86/kernel/alternative.c:1660 [inline]
text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1667
arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
static_key_enable_cpuslocked+0x129/0x250 kernel/jump_label.c:177
static_key_enable+0x16/0x20 kernel/jump_label.c:190
__sched_core_enable kernel/sched/core.c:382 [inline]
sched_core_get+0x71/0x1d0 kernel/sched/core.c:406
sched_core_alloc_cookie+0x70/0xa0 kernel/sched/core_sched.c:18
sched_core_share_pid+0x2d1/0x760 kernel/sched/core_sched.c:184
__do_sys_prctl+0x338/0x1270 kernel/sys.c:2620
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3f0ac89209
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3f0beb0168 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
RAX: ffffffffffffffda RBX: 00007f3f0ad9bf60 RCX: 00007f3f0ac89209
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000003e
RBP: 00007f3f0ace3161 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdc60ee33f R14: 00007f3f0beb0300 R15: 0000000000022000
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3f0beb0168 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
RAX: ffffffffffffffda RBX: 00007f3f0ad9bf60 RCX: 00007f3f0ac89209
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000003e
RBP: 00007f3f0ace3161 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdc60ee33f R14: 00007f3f0beb0300 R15: 0000000000022000