rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P11669/1:b..l P12193/1:b..l
rcu: (detected by 0, t=10502 jiffies, g=70593, q=600 ncpus=2)
task:modprobe state:R running task stack:24992 pid:12193 tgid:12193 ppid:12120 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5248 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6600
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6922
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:mt_validate+0x17a9/0x4aa0 lib/maple_tree.c:7590
Code: 05 00 00 e8 c9 aa 0c f6 49 bd 00 00 00 00 00 fc ff df 44 89 f7 48 8b 5c 24 58 89 de e8 70 ac 0c f6 41 39 de 0f 8d 8d 05 00 00 <48> 8b 44 24 20 42 80 3c 28 00 74 0d 48 8d bc 24 40 01 00 00 e8 9e
RSP: 0018:ffffc90004b5f2c0 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 000000000000000a RCX: ffff888018781e00
RDX: ffff888018781e00 RSI: 000000000000000a RDI: 0000000000000007
RBP: ffffc90004b5f4b0 R08: ffffffff8b86d930 R09: ffffffff8b86d764
R10: 0000000000000003 R11: ffff888018781e00 R12: 0000000000000006
R13: dffffc0000000000 R14: 0000000000000007 R15: 0000000000000009
validate_mm+0xe7/0x530 mm/mmap.c:329
__split_vma+0xa69/0xc30 mm/mmap.c:2481
do_vmi_align_munmap+0x388/0x18c0 mm/mmap.c:2633
do_vmi_munmap+0x261/0x2f0 mm/mmap.c:2800
mmap_region+0x72f/0x2090 mm/mmap.c:2851
do_mmap+0x8ad/0xfa0 mm/mmap.c:1438
vm_mmap_pgoff+0x1dd/0x3d0 mm/util.c:588
ksys_mmap_pgoff+0x4f1/0x720 mm/mmap.c:1484
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd05c0fab74
RSP: 002b:00007ffecd3aa388 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ffecd3aa3c8 RCX: 00007fd05c0fab74
RDX: 0000000000000005 RSI: 0000000000123000 RDI: 00007fd05be8b000
RBP: 00007ffecd3aab20 R08: 0000000000000000 R09: 0000000000028000
R10: 0000000000000812 R11: 0000000000000246 R12: 00007fd05c0d75c0
R13: 00007ffecd3aaba8 R14: 0000000000027f38 R15: 0000000000000000
task:syz-executor state:R running task stack:24672 pid:11669 tgid:11669 ppid:5084 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5248 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6600
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6922
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:__reset_page_owner+0x5d/0x3f0 mm/page_owner.c:295
Code: 84 54 03 00 00 49 89 c7 49 bd 00 00 00 00 00 fc ff df 48 8b 05 44 43 42 0c 49 8d 5c 07 08 48 89 d8 48 c1 e8 03 42 0f b6 04 28 <84> c0 0f 85 4e 03 00 00 8b 03 89 44 24 0c bf 00 28 00 00 e8 8b 03
RSP: 0018:ffffc90014f37a80 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: ffff888016228c70 RCX: ffff88807dc58000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff82056d5a R09: 1ffffffff26020f0
R10: dffffc0000000000 R11: fffffbfff26020f1 R12: ffffea00007ba380
R13: dffffc0000000000 R14: 1ffffd40000f7471 R15: ffff888016228c60
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1094 [inline]
free_unref_page+0xd22/0xea0 mm/page_alloc.c:2644
vfree+0x186/0x2e0 mm/vmalloc.c:3364
kcov_put kernel/kcov.c:429 [inline]
kcov_close+0x2b/0x50 kernel/kcov.c:525
__fput+0x24a/0x8a0 fs/file_table.c:422
task_work_run+0x24f/0x310 kernel/task_work.c:204
exit_task_work include/linux/task_work.h:39 [inline]
do_exit+0xa2f/0x27f0 kernel/exit.c:882
do_group_exit+0x207/0x2c0 kernel/exit.c:1031
__do_sys_exit_group kernel/exit.c:1042 [inline]
__se_sys_exit_group kernel/exit.c:1040 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1040
x64_sys_call+0x26e0/0x26e0 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3fe7575bd9
RSP: 002b:00007fff8a6bf048 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3fe7575bd9
RDX: 00007f3fe7574720 RSI: 0000000000000004 RDI: 0000000000000001
RBP: 00007f3fe7704a18 R08: 00007fff8a6bcde7 R09: 000000000000000c
R10: 0000000000000019 R11: 0000000000000246 R12: 000000000000000c
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000009
rcu: rcu_preempt kthread starved for 9873 jiffies! g70593 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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:24056 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5248 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6600
__schedule_loop kernel/sched/core.c:6677 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6692
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2034
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2236
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.10.0-rc6-next-20240703-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:92 [inline]
RIP: 0010:acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:113
Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 40 d7 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 85 c7 98 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90
RSP: 0018:ffffffff8e007ca8 EFLAGS: 00000246
RAX: ffffffff8e094680 RBX: ffff88801be9a064 RCX: 000000000043ca89
RDX: 0000000000000001 RSI: ffff88801be9a000 RDI: ffff88801be9a064
RBP: 000000000003a6b8 R08: ffff8880b9437c9b R09: 1ffff11017286f93
R10: dffffc0000000000 R11: ffffffff8b915050 R12: ffff888019f2d000
R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8ead8980
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020005c00 CR3: 000000001f3b8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
acpi_idle_enter+0xe4/0x140 drivers/acpi/processor_idle.c:707
cpuidle_enter_state+0x112/0x480 drivers/cpuidle/cpuidle.c:267
cpuidle_enter+0x5d/0xa0 drivers/cpuidle/cpuidle.c:388
call_cpuidle kernel/sched/idle.c:155 [inline]
cpuidle_idle_call kernel/sched/idle.c:230 [inline]
do_idle+0x375/0x5d0 kernel/sched/idle.c:326
cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:424
rest_init+0x2dc/0x300 init/main.c:747
start_kernel+0x47a/0x500 init/main.c:1103
x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:507
x86_64_start_kernel+0x9f/0xa0 arch/x86/kernel/head64.c:488
common_startup_64+0x13e/0x147